NTT DoCoMo, Inc.

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Before 2019 239
IPC Class
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction 47
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock 27
H04N 19/50 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding 26
H04W 24/10 - Scheduling measurement reports 24
H04J 11/00 - Orthogonal multiplex systems 22
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Status
Pending 130
Registered / In Force 218
Found results for  patents
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1.

TERMINAL, RADIO BASE STATION, AND RADIO COMMUNICATION METHOD

      
Document Number 03172398
Status Pending
Filing Date 2020-12-01
Open to Public Date 2021-09-02
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Min, Tianyang

Abstract

UE (200) receives capability inquiry information pertaining to the UE (200) from a network, and, on the basis of the capability inquiry information, determines candidates of combinations of frequency bands with which the UE (200) is compatible. The UE (200), if a combination is a combination of fallback bands, eliminates the combination from a combination candidate list.

IPC Classes  ?

  • H04W 8/22 - Processing or transfer of terminal data, e.g. status or physical capabilities
  • H04W 16/32 - Hierarchical cell structures
  • H04W 28/20 - Negotiating bandwidth
  • H04W 76/34 - Selective release of ongoing connections

2.

TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION

      
Document Number 03169688
Status Pending
Filing Date 2020-02-21
Open to Public Date 2021-08-26
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Yuki
  • Nagata, Satoshi
  • Wang, Lihui

Abstract

A terminal according to an aspect of the present invention has: a reception unit that receives first information about a symbol pattern which become invalid during uplink shared channel transmission and second information about a slot format notified through downlink control information; and a control unit that controls the uplink shared channel transmission for a given symbol on the basis of the first information and/or the second information when there has been a notification that there is a difference in the content in the first information and the second information regarding the validity of the uplink shared channel transmission for the symbol.

IPC Classes  ?

  • H04W 72/0446 - Resources in time domain, e.g. slots or frames
  • H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

3.

TERMINAL, RADIO COMMUNICATION METHOD AND BASE STATION

      
Document Number 03170209
Status Pending
Filing Date 2020-02-13
Open to Public Date 2021-08-19
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi
  • Wang, Jing
  • Hou, Xiaolin

Abstract

A terminal according to an aspect of the present disclosure includes: a control section that determines to use differential Ll-SINR-based reporting in a channel state information (CSI) report when group-based beam reporting is enabled in association with layer 1 signal to interference plus noise ratio (Ll-SINR) reporting; and a transmitting section that transmits the CSI report. According to an aspect of the present disclosure, a CSI report for an SINR related to group-based beam reporting can be suitably used.

IPC Classes  ?

  • H04W 24/10 - Scheduling measurement reports
  • H04B 17/309 - Measuring or estimating channel quality parameters
  • H04B 7/04 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas

4.

TERMINAL AND TRANSMISSION POWER CONTROL METHOD

      
Document Number 03167711
Status Pending
Filing Date 2020-01-21
Open to Public Date 2021-07-29
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Kumagai, Shinya
  • Nagata, Satoshi
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

A terminal including: a reception unit configured to receive feedback information for uplink transmission based on a configured grant from a base station apparatus; a control unit configured to determine an application target of a transmission power control command included in the feedback information; and a transmission unit configured to apply the transmission power control command to uplink transmission of the application target.

IPC Classes  ?

  • H04W 52/08 - Closed loop power control
  • H04W 52/14 - Separate analysis of uplink or downlink
  • H04W 52/48 - TPC being performed in particular situations during retransmission after error or non-acknowledgment
  • H04W 72/12 - Wireless traffic scheduling

5.

TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03162123
Status Pending
Filing Date 2019-11-28
Open to Public Date 2021-06-03
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi

Abstract

A terminal according to one aspect of the present disclosure has a receiving section that receives one Downlink Control Information (DCI) for scheduling two Physical Downlink Shared Channels (PDSCHs), and a control section that maps two TCI state IDs associated with a certain codepoint to the two PDSCHs respectively, when the certain codepoint of a Transmission Configuration Indication (TCI) field is used in reception of the two PDSCHs. According to one aspect of the disclosure, it is possible to properly determine QCL parameters for multi-panel/TRP.

IPC Classes  ?

  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
  • H04W 72/1268 - Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows

6.

TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03161293
Status Pending
Filing Date 2019-11-15
Open to Public Date 2021-05-20
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi
  • Guo, Shaozhen

Abstract

One aspect of a terminal of the present disclosure includes a receiving section that receives downlink control information including a time domain resource allocation (TDRA) field, and a control section determines a size of the TDRA field, based on information notified by higher layer signaling.

IPC Classes  ?

  • H04W 28/06 - Optimising, e.g. header compression, information sizing
  • H04W 72/0446 - Resources in time domain, e.g. slots or frames
  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

7.

TERMINAL

      
Document Number 03160086
Status Pending
Filing Date 2019-11-07
Open to Public Date 2021-05-14
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Kurita, Daisuke
  • Harada, Hiroki
  • Kumagai, Shinya

Abstract

When a second frequency band different from a first frequency band allocated for mobile communication is used, a UE (200) measures a radio signal based on an RSSI measurement window applied to the second frequency band. The RSSI measurement window is configured using a confirmation band for confirming the presence or absence of use in the second frequency band as reference.

IPC Classes  ?

8.

TERMINAL AND COMMUNICATION METHOD

      
Document Number 03158142
Status Pending
Filing Date 2019-11-07
Open to Public Date 2021-05-14
Owner NTT DOCOMO, INC. (Japan)
Inventor Ohara, Tomoya

Abstract

This terminal is provided with: a transmission unit that transmits a first message transmitted on a physical random access channel and a second message transmitted on a physical uplink shared channel which are used in a 2-step random access procedure; and a control unit that, in accordance with control based on a priority order rule of power distribution applied to the first message or the second message, decides power control to be applied to the first message and the second message, wherein the transmission unit retransmits the first message and the second message by applying the decided power control thereto.

IPC Classes  ?

  • H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
  • H04W 52/44 - TPC being performed in particular situations in connection with interruption of transmission

9.

TERMINAL

      
Document Number 03157398
Status Pending
Filing Date 2019-10-11
Open to Public Date 2021-04-15
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Min, Tianyang
  • Wang, Lihui

Abstract

A terminal 100 is provided with: a control unit 111 for initiating a procedure for the terminal 100 to transition from an unconnected state to a connected state in a radio resource control layer between the terminal 100 and an NR network; a radio transmission unit 101 for transmitting, to the NR network, a message requesting provision of time information including NR time or time information including TSN time in the procedure; and a radio reception unit 103 for receiving the time information from the NR network.

IPC Classes  ?

  • H04W 56/00 - Synchronisation arrangements
  • H04W 76/27 - Transitions between radio resource control [RRC] states

10.

TERMINAL AND COMMUNICATION METHOD

      
Document Number 03153835
Status Pending
Filing Date 2019-09-30
Open to Public Date 2021-04-08
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Umeda, Hiromasa
  • Oguma, Yuta

Abstract

This terminal comprises: a receiving unit that receives information on bands of a first radio access technology (RAT) and a second RAT from a base station device; a control unit that determines a first parameter indicating a bandwidth combination set of dual connectivity (EN-DC) band combinations of the first RAT and the second RATE supported by components of the first RAT, a second parameter indicating a bandwidth combination set of the EN-DC band combinations supported by components of the second RAT, and a third parameter indicating a bandwidth combination set of the EN-DC band combinations supported by components of the first RAT and the second RAT; and a transmission unit that transmits terminal capacity information that includes the first parameter, the second parameter, and the third parameter that have been determined to the base station device.

IPC Classes  ?

  • H04W 8/22 - Processing or transfer of terminal data, e.g. status or physical capabilities
  • H04W 4/00 - Services specially adapted for wireless communication networks; Facilities therefor

11.

TERMINAL AND COMMUNICATION METHOD

      
Document Number 03156246
Status Pending
Filing Date 2019-10-03
Open to Public Date 2021-04-08
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Yokokawa, Tomoki
  • Kakishima, Yuichi
  • Takada, Takuma

Abstract

A terminal comprises: a control unit that calculates a latency as a latency for L3 measurement on the basis of at least one of the period of a reference signal, the number of samples used for the L3 measurement, a coefficient indicating the overlap between the timing of the L3 measurement and the measurement other than the L3 measurement, and a coefficient indicating the switching of a received beam.

IPC Classes  ?

12.

TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03156247
Status Pending
Filing Date 2019-10-02
Open to Public Date 2021-04-08
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi
  • Wang, Jing
  • Hou, Xiaolin

Abstract

One aspect of the terminal according to the present disclosure includes: a transmission unit which transmits first information that notifies of the occurrence of a beam failure, and second information pertaining to a new candidate beam and/or the cell in which the beam failure was detected; and a control unit which, in the case of transmitting the second information after the first information has been triggered, cancels the triggered first information, and/or stops a timer that was started on the basis of transmission of the first information.

IPC Classes  ?

13.

TERMINAL AND COMMUNICATION METHOD

      
Document Number 03153822
Status Pending
Filing Date 2019-09-27
Open to Public Date 2021-04-01
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Yoshioka, Shohei
  • Nagata, Satoshi

Abstract

This terminal is provided with: a reception unit that receives a plurality of wireless signals transmitted in sidelink; a control unit that, on the basis of a specific condition, selects an operation pattern of Hybrid Automatic Repeat Request (HARQ) feedback with respect to the plurality of wireless signals; and a transmission unit that, in accordance with the selected operation pattern of HARQ feedback, transmits sidelink HARQ feedback information.

IPC Classes  ?

  • H04W 92/18 - Interfaces between hierarchically similar devices between terminal devices
  • H04W 28/04 - Error control

14.

TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03155822
Status Pending
Filing Date 2019-09-27
Open to Public Date 2021-04-01
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Yuki
  • Nagata, Satoshi
  • Wang, Lihui

Abstract

A terminal according to an aspect of the present disclosure is characterized by comprising: a control unit that, on the basis of monitoring occasions, determines a span pattern including spans for monitoring Physical Downlink Control Channel (PDCCH); and a reception unit that monitors PDCCH candidates on the basis of the span pattern, wherein on the basis of a particular assumption related to span patterns of a plurality of component carriers, the control unit determines a span pattern of each component carrier. According to an aspect of the present disclosure, appropriate monitoring can be implemented even when PDCCH monitoring spans are utilized together with carrier aggregation.

15.

TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03151659
Status Pending
Filing Date 2020-08-13
Open to Public Date 2021-03-04
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi

Abstract

This terminal includes: a control unit which, when a spatial relationship for specific UL transmission is not set, determines one specific spatial relationship between a quasi co-location (QCL) parameter pertaining to a recent slot with respect to the start symbol of the specific UL transmission or the initial or the last symbol of DL transmission corresponding to the specific UL transmission, and a reference signal for a path loss reference or a transmission configuration indicator (TCI) state in a case where the only one TCI state is activated with respect to a specific DL transmission; and a transmission unit which performs the specific UL transmission according to the specific spatial relationship.

16.

TERMINAL, BASE STATION, AND COMMUNICATION METHOD

      
Document Number 03152382
Status Pending
Filing Date 2020-02-25
Open to Public Date 2021-03-04
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Sano, Yousuke

Abstract

A terminal includes a receiver that receives system information; and a processor that uses, when a channel bandwidth indicated by the system information received by the receiver is not supported, a maximum bandwidth of a bandwidth of an initial Bandwidth Part (BWP) and a supported maximum bandwidth.

IPC Classes  ?

  • H04W 72/02 - Selection of wireless resources by user or terminal

17.

TERMINAL AND COMMUNICATION METHOD

      
Document Number 03148851
Status Pending
Filing Date 2019-08-15
Open to Public Date 2021-02-18
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Yoshioka, Shohei
  • Nagata, Satoshi
  • Wang, Yanru
  • Wang, Jing
  • Hou, Xiaolin

Abstract

Provided is a terminal comprising a reception unit which receives, from a base station, information scheduling a resource used in direct communication between terminals, and a transmission unit which uses said resource to transmit a signal to another terminal, wherein: said reception unit receives, from the other terminal, a reply pertaining to a retransmission control which corresponds to the signal; the terminal further comprises a control unit which, on the basis of the reply pertaining to the retransmission control, selects either information containing an affirmative reply or information containing a negative reply; and the transmission unit transmits the selected information to the base station.

IPC Classes  ?

  • H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
  • H04W 4/40 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]

18.

TERMINAL AND COMMUNICATION METHOD

      
Document Number 03145417
Status Pending
Filing Date 2019-08-14
Open to Public Date 2021-02-18
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Matsumura, Yuki

Abstract

Provided is a terminal having: a reception unit for receiving uplink transmission resource information containing spatial relation information; and a setting unit for configuring a setting regarding the uplink transmission on the basis of the uplink transmission resource information containing the spatial relation information.

IPC Classes  ?

  • H04W 16/28 - Cell structures using beam steering

19.

TERMINAL

      
Document Number 03144588
Status Pending
Filing Date 2019-07-18
Open to Public Date 2021-01-21
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Harada, Hiroki
  • Kurita, Daisuke
  • Nagata, Satoshi
  • Wang, Lihui

Abstract

The terminal is provided with: a reception unit for receiving, from a base station apparatus, setting information including at least one slot format combination including a slot format and a slot format combination ID; and a control unit for determining, when the reception unit has received control information including the slot format combination ID, whether a slot of the slot format corresponding to the slot format combination ID that is included in the control information is outside of a channel occupancy time, which has been acquired by LBT executed by the base station apparatus, on the basis of a format index of the slot.

IPC Classes  ?

20.

TERMINAL AND COMMUNICATION METHOD

      
Document Number 03143226
Status Pending
Filing Date 2019-07-08
Open to Public Date 2021-01-14
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Yoshioka, Shohei
  • Nagata, Satoshi
  • Wang, Yanru

Abstract

Provided is a terminal including: a control unit which generates a series corresponding to a series of reference signals for channel state information between a base station and the terminal; and a transmission unit which transmits the reference signal having the generated series to another terminal.

IPC Classes  ?

  • H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
  • H04W 72/04 - Wireless resource allocation
  • H04W 92/18 - Interfaces between hierarchically similar devices between terminal devices

21.

BASE STATION APPARATUS, TERMINAL, AND TRANSMISSION METHOD

      
Document Number 03145612
Status Pending
Filing Date 2019-07-10
Open to Public Date 2021-01-14
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Matsumura, Yuki

Abstract

This base station device is provided with a transmission unit that transmits setting information specifying one or more sounding reference signal resources to a terminal. The transmission unit transmits a MAC control element specifying spacial relationship information for the one or more sounding reference signal resources to the terminal.

IPC Classes  ?

  • H04W 72/231 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling

22.

TERMINAL AND TRANSMISSION METHOD

      
Document Number 03142678
Status Pending
Filing Date 2019-07-09
Open to Public Date 2021-01-14
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Hanaki, Akihito
  • Harada, Hiroki
  • Ohara, Tomoya

Abstract

A terminal including: a receiving unit that receives an index that specifies setting information for transmitting a random access preamble; and a control unit that if the receiving unit receives additional information that specifies a resource in the time domain for transmitting the random access preamble, replaces a resource in the time domain for transmitting the random access preamble to be included in the setting information specified by the index with a resource in the time domain specified by the additional information.

IPC Classes  ?

  • H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
  • H04W 72/04 - Wireless resource allocation

23.

TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03142914
Status Pending
Filing Date 2019-06-10
Open to Public Date 2020-12-17
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Yoshioka, Shohei
  • Nagata, Satoshi

Abstract

This terminal is provided with: a transmission unit for transmitting channel state information including a first part, which includes determination information for determining the size of a second part, and the second part; and a control unit for controlling the determination of the size of the second part on the basis of which physical uplink channel to use to transmit the channel state information or on the basis of whether or not to transmit the channel state information as well as an uplink shared channel which is a transport channel using a physical uplink shared channel. Because of this, reception processing of UCI (for example, UCI including first and second parts of CSI) can be properly performed at a base station.

IPC Classes  ?

  • H04W 28/06 - Optimising, e.g. header compression, information sizing

24.

MOBILE COMMUNICATION NETWORK ARRANGEMENT AND METHOD FOR OPERATING A MOBILE COMMUNICATION NETWORK ARRANGEMENT TO SUPPORT INTER-CORE NETWORK ROAMING

      
Document Number 03136225
Status Pending
Filing Date 2020-05-05
Open to Public Date 2020-11-19
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Sama, Malla Reddy
  • Mutikainen, Jari
  • Thakolsri, Srisakul
  • Minokuchi, Atsushi

Abstract

According to one embodiment, a server device includes one or more processors. The one or more processors are configured to identify a home mobile network of a user equipment that attempts to roam in a visited mobile network including the server device, send, to a network function repository function, a service request that identifies the home mobile network, receive, from the network function repository function, a service request response that identifies a home subscriber service in the home mobile network and that identifies the home mobile network as a legacy network of the visited mobile network, retrieve, from the home subscriber service, subscriber information for the user equipment, and configure a roaming connection for the user equipment in the visiting mobile network.

IPC Classes  ?

  • H04W 8/12 - Mobility data transfer between location registers or mobility servers
  • H04W 8/06 - Registration at serving network Location Register, VLR or user mobility server

25.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03139392
Status Pending
Filing Date 2019-05-10
Open to Public Date 2020-11-19
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi

Abstract

A user terminal according to one embodiment of the present invention comprises: a control unit that, on the basis of at least one of reported ability information and a downlink control information (DCI) format for scheduling specific uplink transmission, uses a quasi-collocation (QCL) for specific downlink transmission or a reference signal relating to a spatial relationship for uplink transmission satisfying a predetermined condition in the spatial relationship of the specific uplink transmission; and a transmission unit that performs the uplink transmission in accordance with the spatial relationship of the specific uplink transmission. One embodiment of the present invention makes it possible to suitably control a UL beam.

IPC Classes  ?

  • H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
  • H04W 16/28 - Cell structures using beam steering
  • H04W 88/02 - Terminal devices

26.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03139091
Status Pending
Filing Date 2019-05-09
Open to Public Date 2020-11-12
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Yoshioka, Shohei
  • Nagata, Satoshi
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

A user terminal according to an embodiment of the present invention is provided with: a transmission unit whereby an uplink shared channel for a predetermined transmission opportunity is transmitted across a plurality of continuous slots; and a control unit that controls the configuration of a demodulation reference signal for the uplink shared channel. As a result, it is possible to suitably control the DMRS configuration of a signal/channel in a predetermined transmission opportunity.

IPC Classes  ?

  • H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

27.

USER DEVICE AND COMMUNICATION METHOD

      
Document Number 03132268
Status Pending
Filing Date 2019-05-01
Open to Public Date 2020-11-05
Owner NTT DOCOMO, INC. (Japan)
Inventor Fujimura, Naoki

Abstract

Provided is a user device comprising a reception unit which, from a base station, receives one or more signals containing transmission configuration notification information, and a control unit which, on the basis of the transmission configuration notification information, determines whether or not an assumption of a QCL (Quasi-Co-Location) relationship between a first signal and a second signal is valid, wherein the control unit executes, for the first signal, an action based on the result of the determination.

IPC Classes  ?

  • H04W 16/28 - Cell structures using beam steering
  • H04W 24/10 - Scheduling measurement reports
  • H04W 48/08 - Access restriction or access information delivery, e.g. discovery data delivery
  • H04B 7/0413 - MIMO systems

28.

BASE STATION APPARATUS AND USER EQUIPMENT

      
Document Number 03138244
Status Pending
Filing Date 2019-05-02
Open to Public Date 2020-11-05
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Ohara, Tomoya
  • Uchino, Tooru
  • Takahashi, Hideaki
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

A base station apparatus includes: a receiving unit configured to receive a first message from user equipment in a two-step random access procedure; and a control unit that determines not to return any feedback to the user equipment when the receiving unit correctly receives only some of a plurality of messages included in the first message.

IPC Classes  ?

29.

RADIO COMMUNICATION NODE

      
Document Number 03137169
Status Pending
Filing Date 2019-04-26
Open to Public Date 2020-10-29
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Harada, Hiroki
  • Kurita, Daisuke
  • Wang, Jing
  • Hou, Xiaolin

Abstract

A radio communication node sets a radio backhaul link with a parent node and a radio access link with a child node. The radio communication node receives control information of the radio access link, and determines location that indicates a radio resource available to the radio access based on a reception timing of the control information in a slot of a radio frame.

IPC Classes  ?

  • H04W 72/0446 - Resources in time domain, e.g. slots or frames
  • H04W 92/10 - Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface

30.

BASE STATION APPARATUS AND USER EQUIPMENT

      
Document Number 03136052
Status Pending
Filing Date 2020-04-09
Open to Public Date 2020-10-15
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Daiki
  • Harada, Hiroki

Abstract

Provided is a base station device wherein: provided is a transmission unit for transmitting setting information that indicates whether to provide both a first start-up signal and a second start-up signal to one resource that is for providing a start-up signal which serves as trigger for paging occasion monitoring; and the setting information implicitly indicates settings other than the setting regarding whether to provide both the first start-up signal and the second start-up signal to the resource.

IPC Classes  ?

  • H04W 72/04 - Wireless resource allocation
  • H04W 52/02 - Power saving arrangements
  • H04W 68/02 - Arrangements for increasing efficiency of notification or paging channel

31.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03133790
Status Pending
Filing Date 2019-03-27
Open to Public Date 2020-10-01
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi
  • Guo, Shaozhen
  • Wang, Jing
  • Hou, Xiaolin

Abstract

This user terminal has: a reception unit that receives downlink shared channels sent from each of a plurality of transmission and reception points; and a control unit that controls the transmission of arrival confirmation signals for the downlink shared channels, on the basis of at least either a count value for DL allocations controlled jointly between the plurality of transmission and reception points or a count value for DL allocations controlled separately between an index for the transmission and reception points and the plurality of transmission and reception points.

IPC Classes  ?

  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
  • H04L 1/1812 - Hybrid protocols; Hybrid automatic repeat request [HARQ]

32.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03133948
Status Pending
Filing Date 2019-03-27
Open to Public Date 2020-10-01
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi
  • Guo, Shaozhen
  • Wang, Jing
  • Hou, Xiaolin

Abstract

The user terminal according to one embodiment has: a reception unit that receives downlink shared channels that are respectively transmitted from a plurality of transmission/reception points; and a control unit that controls transmission of delivery confirmation signals that correspond to the downlink shared channels on the basis of downlink control information that includes at least one of a count value and a total value for DL allocation that is collectively controlled by the plurality of transmission/reception points.

IPC Classes  ?

  • H04W 72/12 - Wireless traffic scheduling
  • H04W 28/04 - Error control
  • H04L 1/1812 - Hybrid protocols; Hybrid automatic repeat request [HARQ]
  • H04W 72/20 - Control channels or signalling for resource management

33.

USER EQUIPMENT AND COMMUNICATION METHOD

      
Document Number 03132267
Status Pending
Filing Date 2019-03-28
Open to Public Date 2020-10-01
Owner NTT DOCOMO, INC. (Japan)
Inventor Ohara, Tomoya

Abstract

Provided is a user device that is provided with: a transmission unit that transmits first data at a first step of two-step RACH; and a reception unit that receives second data at a second step of the two-step RACH, wherein when the first data are retransmitted, fallback to four-step RACH is performed. Furthermore, provided is a user device that is provided with: a transmission unit that transmits first data at a first step of two-step RACH; and a reception unit that receives second data at a second step of the two-step RACH, wherein fallback to four-step RACH is performed in accordance with the received second data.

IPC Classes  ?

  • H04W 74/0836 - with 2-step access
  • H04W 52/14 - Separate analysis of uplink or downlink
  • H04W 52/50 - TPC being performed in particular situations at the moment of starting communication in a multiple access environment

34.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03132950
Status Pending
Filing Date 2019-03-12
Open to Public Date 2020-09-17
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Harada, Hiroki
  • Murayama, Daisuke

Abstract

A user terminal includes a reception section that receives a synchronization signal block including a synchronization signal and a broadcast channel at a frequency to which channel sensing before transmission is applied and a control section that determines at least one of a configuration of a first signal including the synchronization signal block and a downlink control channel and a downlink shared channel which are quasi co-located (QCL) with the synchronization signal block and a configuration of a second signal including the first signal in a specific period based on the synchronization signal block. According to one aspect of the present disclosure, appropriate communication can be performed in an unlicensed band.

IPC Classes  ?

35.

NETWORK NODE

      
Document Number 03127181
Status Pending
Filing Date 2019-03-06
Open to Public Date 2020-09-10
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Min, Tianyang
  • Taniguchi, Masato

Abstract

A network node comprising a control unit for setting an information element to a field included in an internetwork-node message for making communication settings pertaining to a user device when the field is essential in the internetwork-node message, and a transmission unit for transmitting the internetwork-node message that includes the field to which the information element is set to an other network node, the field being essential in the internetwork-node message when a prescribed condition is satisfied.

IPC Classes  ?

36.

USER APPARATUS AND BASE STATION APPARATUS

      
Document Number 03130519
Status Pending
Filing Date 2019-03-06
Open to Public Date 2020-09-10
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Uchino, Tooru

Abstract

This user device includes: a transmission unit which transmits a signal pertaining to an random access procedure in a serving cell; a receiving unit which receives the signal pertaining to the random access procedure in the serving cell; and a control unit which determines a carrier to be used in the random access procedure, which is set in the serving cell, wherein the control unit determines whether a first carrier is set in the serving cell, determines whether the first carrier of the serving cell is supported when the first carrier is set in the serving cell, and determines to use the first carrier in the random access procedure when the first carrier of the serving cell is supported. An operation for determining a carrier to be used in the random access procedure is performed in at least any one among a medium access control (MAC) layer and a radio resource control (RRC) layer.

IPC Classes  ?

  • H04W 74/0833 - Random access procedures, e.g. with 4-step access
  • H04W 72/0453 - Resources in frequency domain, e.g. a carrier in FDMA
  • H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

37.

USER EQUIPMENT AND COMMUNICATION METHOD

      
Document Number 03123766
Status Pending
Filing Date 2019-02-25
Open to Public Date 2020-09-03
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Umeda, Hiromasa
  • Oguma, Yuta

Abstract

A user equipment includes a receiving unit receiving band information of a RAT1 and a RAT2 from a base station, a control unit determining a parameter1 indicating a supported bandwidth combination (BWC) for the RAT1's part for inter-band EN-DC of the RATI and the RAT2 and a parameter2 indicating a BWC supported for all bands of the inter-band EN-DC and the intra-band EN-DC of the RAT1 and the RAT2 for dual connectivity of the RAT1 and the RAT2, the dual connectivity being composed of the inter-band ENDC and the intra-band EN-DC of the RAT1 and the RAT2, for the band combination of the inter-band EN-DC, any combination of the RAT2's part of the BWC indicated by the parameter1 and the RAT1's part of the BWC indicated by the parameter1 is supported, and a transmitting unit transmitting terminal capability information including the determined parameter1 and parameter2 to the base station.

IPC Classes  ?

  • H04W 72/51 - Allocation or scheduling criteria for wireless resources based on terminal or device properties
  • H04W 8/24 - Transfer of terminal data

38.

USER APPARATUS AND BASE STATION APPARATUS

      
Document Number 03126044
Status Pending
Filing Date 2019-02-21
Open to Public Date 2020-08-27
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takada, Takuma
  • Oguma, Yuta

Abstract

User equipment according to the invention comprises: a reception unit that receives, from a base station apparatus, information for requesting a report of capability of the user equipment; a transmission unit that transmits the report of the capability of the user equipment to the base station apparatus; and a control unit that, within the maximum reception timing difference associated with a band combination included in the report of the capability of the user equipment, receives a first signal transmitted from the base station apparatus and either a second signal transmitted from another base station apparatus or a third signal transmitted from the base station apparatus, wherein the band combination includes a combination of the band of the first signal and the band of either the second signal or the third signal, and wherein the first signal and the second signal are different in terms of radio access technology, and the first signal and the third signal are the same in terms of radio access technology.

IPC Classes  ?

  • H04W 72/20 - Control channels or signalling for resource management
  • H04W 76/15 - Setup of multiple wireless link connections
  • H04W 72/51 - Allocation or scheduling criteria for wireless resources based on terminal or device properties

39.

TERMINAL AND WIRELESS COMMUNICATION METHOD

      
Document Number 03126686
Status Pending
Filing Date 2019-02-22
Open to Public Date 2020-08-27
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Oguma, Yuta
  • Umeda, Hiromasa

Abstract

A terminal according to the invention is provided with: a control unit that determines a transmission power of an uplink signal on the basis of the association between a first parameter indicating a transmission rate of the uplink signal during a predetermined time period and a second parameter related to the uplink transmission power; and a transmission unit that transmits the uplink signal by use of the transmission power.

IPC Classes  ?

  • H04W 52/14 - Separate analysis of uplink or downlink
  • H04W 28/06 - Optimising, e.g. header compression, information sizing

40.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03130732
Status Pending
Filing Date 2019-02-22
Open to Public Date 2020-08-27
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi

Abstract

In order to appropriately control the reception of a CSI-RS, one aspect of user terminal of the present disclosure includes: a receiving section that receives a channel state information reference signal based on downlink control information; a transmitting section that transmits given information related to the minimum number of symbols between the downlink control information and the channel state information reference signal; and a control section that performs a control an operation of receiving the channel state information reference signal according to a value of the given information.

IPC Classes  ?

  • H04L 27/26 - Systems using multi-frequency codes

41.

USER EQUIPMENT AND COMMUNICATION METHOD

      
Document Number 03126043
Status Pending
Filing Date 2019-02-14
Open to Public Date 2020-08-20
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Daiki
  • Takeda, Kazuaki
  • Isogawa, Takayuki
  • Ohara, Tomoya

Abstract

User equipment provided with: a control unit that sets the operation mode of the user equipment to an idle mode; a transmission unit that transmits data by use of a radio resource preset for transmitting the data in the idle mode; and a reception unit that receives ACK/NACK information for the data by monitoring at least one of a paging search space and an additional search space that is monitored in the idle mode.

IPC Classes  ?

  • H04L 1/16 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
  • H04W 72/04 - Wireless resource allocation

42.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03129584
Status Pending
Filing Date 2019-02-15
Open to Public Date 2020-08-20
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi
  • Wang, Jing
  • Hou, Xiaolin

Abstract

In order to appropriately perform a BFR procedure, an aspect of a user terminal of the present disclosure includes: a control section that determines a new candidate beam or a given DL reference signal based on at least one of a DL reference signal transmitted in a given cell and a DL reference signal transmitted in another cell configured in the same given frequency range as the given cell when a beam failure in the given cell is detected; and a transmission section that transmits information related to the new candidate beam or the given DL reference signal.

IPC Classes  ?

  • H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
  • H04L 27/26 - Systems using multi-frequency codes

43.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03123765
Status Pending
Filing Date 2019-01-11
Open to Public Date 2020-07-16
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui

Abstract

A user terminal includes a receiving section that receives, in a first cell, first downlink control information indicating that configuration of configured grant type 2 or downlink Semi-Persistent Scheduling (DL SPS) of a second cell or a specific Bandwidth Part (BWP) is to be activated, and receives second downlink control information, and a control section that considers that the configuration is to be deactivated, based on a value of a specific field in the second downlink control information. According to an aspect of the present disclosure, configured grant or DL SPS can be appropriately controlled by using downlink control information.

IPC Classes  ?

  • H04W 72/231 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling

44.

TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03118252
Status Pending
Filing Date 2019-11-11
Open to Public Date 2020-05-22
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Yoshioka, Shohei
  • Nagata, Satoshi
  • Guo, Shaozhen
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

The purpose of the present disclosure is to appropriately control half-duplex communication in a future wireless communication system. A user terminal according to one embodiment of the present disclosure has: a reception unit for receiving slot format information that indicates the slot format of a cell; and a control unit that, when a plurality of slot format information pieces are received, determines a slot format in each cell on the basis of at least one of the content indicated in each slot format information piece and the type of signal utilized for the transmission of each slot format information piece.

IPC Classes  ?

  • H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
  • H04W 28/06 - Optimising, e.g. header compression, information sizing
  • H04W 72/231 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling

45.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03117905
Status Pending
Filing Date 2018-10-31
Open to Public Date 2020-05-07
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi
  • Wang, Jing
  • Hou, Xiaolin

Abstract

A user terminal according to an aspect of the present disclosure is characterized by comprising: a receiving unit which receives a plurality of aperiodic channel state information reference signals (AP CSI-RS); and a control unit which determines the default quasi-co-location (QCL) assumption of the AP CSI-RS on the basis of specific signal or channel of a predetermined panel identifier (ID), when for each AP CSI-RS, a time offset between the reception of corresponding downlink control information and the reception of the AP CSI-RS is smaller than a predetermined threshold. According to an aspect of the present disclosure, DL communication can be suitably performed even when using a multi-panel/TRP.

IPC Classes  ?

  • H04W 28/16 - Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]

46.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03117921
Status Pending
Filing Date 2018-11-02
Open to Public Date 2020-05-07
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi
  • Wang, Jing
  • Hou, Xiaolin

Abstract

This user terminal has: a reception unit that receives at least one signal being either a synchronous signal block (SSB) or a channel state information reference signal (CSI-RS); and a control unit that uses the signal in a first resource stipulated in the specifications and measures interference. As a result of the present invention, interference can be appropriately measured.

IPC Classes  ?

  • H04L 27/26 - Systems using multi-frequency codes

47.

TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03115599
Status Pending
Filing Date 2019-10-03
Open to Public Date 2020-04-16
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Takeda, Kazuki
  • Harada, Hiroki

Abstract

The present invention relates to a new process for manufacturing calcium sulphate hemihydrate powder in a closed cabinet with controlled temperature, air circulation in the cabinet and adjustable air outflow from the cabinet, as well as to a new calcium sulphate hemihydrate powder being manufactured via the novel manufacturing method, by which unique properties of the powder are obtained. With this manufacturing method, the properties of the obtained powder is controlled, to give rise to a powder that upon resuspension and injection in vivo solidifies into a depot structure with unique cohesive properties, suitable for localized controlled release of pharmaceutical substances.

48.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03113126
Status Pending
Filing Date 2018-09-27
Open to Public Date 2020-04-02
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi
  • Wang, Jing
  • Hou, Xiaolin

Abstract

This user terminal is characterized by having: a transmission unit that transmits measurement results for reference signals that have had a spatial domain filter applied thereto and have been measured; and a control unit that, if low delay beam selection is set by upper layer signaling and confirmation information pertaining to the measurement results is received at a time T, assumes that the spatial domain filter for a prescribed channel at or after a second time period has elapsed since the time T is the same as the spatial domain filter corresponding to the latest measurement results sent at or after a time that is a first time period prior to the time T. As a result of the present invention, the channel TCI status, QCL assumption, or beam can be switched rapidly.

IPC Classes  ?

  • H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
  • H04W 16/28 - Cell structures using beam steering
  • H04W 24/10 - Scheduling measurement reports
  • H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station

49.

USER TERMINAL

      
Document Number 03114564
Status Pending
Filing Date 2018-09-27
Open to Public Date 2020-04-02
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Takeda, Kazuki
  • Harada, Hiroki

Abstract

This user equipment is provided with: a reception unit that receives a master information block (MIB) in a cell; and a control unit that, on the basis of a value, determines whether to configure a control resource set for a common search space on the basis of the MIB, or on the basis of cell-specific configuration information relating to a downlink control channel, said value being determined on the basis of a first parameter within the MIB and the frequency range of the cell.

IPC Classes  ?

  • H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

50.

USER EQUIPMENT AND COMMUNICATION METHOD

      
Document Number 03113097
Status Pending
Filing Date 2018-09-27
Open to Public Date 2020-04-02
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Ohara, Tomoya
  • Osawa, Ryosuke

Abstract

Provided is a user device including: a receiving unit that receives information specifying a group of resources that send a plurality of blocks including a synchronization signal and broadcast information in a sidelink, to each of which a corresponding beam among one set of a plurality of beams is applied; a control unit that selects a plurality of resources for sending the plurality of blocks according to the information specifying the group of resources; and a sending unit that sends, to another user device, the plurality of blocks including the synchronization signal and the broadcast information in the sidelink by using the plurality of resources selected.

IPC Classes  ?

  • H04W 56/00 - Synchronisation arrangements
  • H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
  • H04W 72/40 - Resource management for direct mode communication, e.g. D2D or sidelink

51.

USER TERMINAL AND BASE STATION

      
Document Number 03114569
Status Pending
Filing Date 2018-09-28
Open to Public Date 2020-04-02
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Takeda, Kazuki
  • Harada, Hiroki

Abstract

A user terminal according to one aspect of the present disclosure includes a receiving section that receives downlink control information including a given field indicating a frequency domain resource assigned to a downlink shared channel, and a control section that controls reception of the downlink shared channel based on whether or not a control resource set for a common search space is configured based on a master information block (MIB).

IPC Classes  ?

  • H04L 27/26 - Systems using multi-frequency codes

52.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03113394
Status Pending
Filing Date 2018-09-21
Open to Public Date 2020-03-26
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Harada, Hiroki
  • Takeda, Kazuki
  • Matsumura, Yuki

Abstract

A user terminal having: a reception unit for monitoring, in a connected mode, a downlink control channel for system information or for paging; and a control unit for determining, on the basis of at least one of linking of a downlink reference signal to a downlink control channel monitoring occasion and setting information indicating a downlink reference signal that is pseudo-collocated to a control resource set that includes a downlink control channel, a downlink reference signal that is pseudo-collocated to the downlink control channel. According to one aspect of the present disclosure, monitoring of the downlink control channel can be appropriately performed.

IPC Classes  ?

  • H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

53.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03112493
Status Pending
Filing Date 2018-09-21
Open to Public Date 2020-03-26
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

In order to appropriately control reception of downlink control information, user equipment according to one aspect of the present invention is characterized by having: a reception unit that receives one or more items of downlink control information for different uses in a prescribed cell; and a control unit that performs storage such that among the received downlink control information, downlink control information for a prescribed use does not surpass a prescribed number of items.

IPC Classes  ?

  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

54.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03109205
Status Pending
Filing Date 2018-08-17
Open to Public Date 2020-02-20
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Yoshioka, Shohei
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

User equipment pertaining to an embodiment of the present disclosure is characterized by being provided with: a transmission/reception unit for transmitting or receiving a shared channel on the basis of fallback downlink control information (DCI); and a control unit for performing a predetermined estimation regarding the density of a phase-tracking reference signal (PTRS) for the shared channel scheduled by the fallback DCI. According to the embodiment of the present disclosure, the PTRS density can be appropriately determined.

IPC Classes  ?

  • H04L 27/26 - Systems using multi-frequency codes
  • H04W 28/18 - Negotiating wireless communication parameters

55.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03108847
Status Pending
Filing Date 2018-08-10
Open to Public Date 2020-02-13
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Okamura, Masaya
  • Harada, Hiroki
  • Nagata, Satoshi

Abstract

In order to control a reception operation by UE appropriately even when a synchronous signal block and a prescribed reference signal overlap each other in a time resource, a user terminal according to an aspect of the present invention has: a reception unit that receives a synchronous signal block and a prescribed reference signal; and a control unit that, when the synchronous signal block and the prescribed reference signal are set in the same time resource, controls the reception of the synchronous signal block and the prescribed reference signal on the basis of a quasi-collocation (QCL) relationship between the synchronous signal block and the prescribed reference signal and of a sub-carrier interval.

IPC Classes  ?

  • H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

56.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03109089
Status Pending
Filing Date 2018-08-10
Open to Public Date 2020-02-13
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Yoshioka, Shohei
  • Matsumura, Yuki
  • Nagata, Satoshi

Abstract

In order to appropriately control a plurality of CSI reports of different types, user equipment according to an aspect of the present disclosure comprises: a transmission unit that transmits channel state information (CSI) reports of different types; and a control unit that, when the transmission periods of a plurality of CSI reports overlap each other, performs dropping of a predetermined CSI report based on a priority or performs multiplexing to a predetermined uplink channel on the basis of the type of each CSI report and the type of an uplink channel used for transmission of each CSI report.

IPC Classes  ?

57.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03108245
Status Pending
Filing Date 2018-08-03
Open to Public Date 2020-02-06
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi
  • Wang, Jing
  • Hou, Xiaolin

Abstract

This user terminal is characterized by having: a reception unit that receives information pertaining to a beam selection index; and a control unit that executes beam selection on the basis of an index specified by the information. As a result of the present invention, appropriate beam selection and beam reporting can occur.

IPC Classes  ?

  • H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
  • H04W 16/28 - Cell structures using beam steering
  • H04W 24/10 - Scheduling measurement reports

58.

BASE STATION AND RADIO COMMUNICATION METHOD

      
Document Number 03106953
Status Pending
Filing Date 2018-07-27
Open to Public Date 2020-01-30
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi

Abstract

The base station according to one aspect of the present disclosure comprises: a reception unit that receives an uplink signal transmitted with use of a sequence corresponding to information including whether a beam needs to be changed; and a control unit that determines the information on the basis of the uplink signal. According to the one aspect of the present disclosure, overhead of a beam report can be appropriately reduced.

IPC Classes  ?

  • H04W 16/28 - Cell structures using beam steering
  • H04W 24/00 - Supervisory, monitoring or testing arrangements
  • H04B 17/309 - Measuring or estimating channel quality parameters

59.

TERMINAL AND RADIO COMMUNICATION METHOD WITH FLEXIBLE RESOURCE ALLOCATION

      
Document Number 03104606
Status Pending
Filing Date 2018-06-28
Open to Public Date 2020-01-02
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Kakishima, Yuichi
  • Matsumura, Yuki
  • Nagata, Satoshi

Abstract

A user terminal (20) comprises: a receiving unit for receiving a first wireless signal transmitted by a first transmission point using a first wireless resource and a second wireless signal transmitted by a second transmission point using a second wireless resource; and a control unit for controlling reception processing of the first wireless signal transmitted by the first transmission point using the first wireless resource and the second wireless signal transmitted by the second transmission point using the second wireless resource assuming that the first wireless resource and the second wireless resource are allowed to be set to at least one of mutually different times and mutually different frequency bands.

IPC Classes  ?

  • H04L 27/26 - Systems using multi-frequency codes
  • H04J 99/00 - Subject matter not provided for in other groups of this subclass
  • H04W 16/28 - Cell structures using beam steering
  • H04W 28/16 - Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]

60.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03102788
Status Pending
Filing Date 2018-06-12
Open to Public Date 2019-12-19
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Nagata, Satoshi
  • Wang, Jing
  • Li, Huiling
  • Hou, Xiaolin

Abstract

In order to properly perform communication even in a case of performing communication by using a plurality of transmission points, an aspect of a user terminal of the present disclosure includes: a receiving section that receives one or more downlink control information used for scheduling of downlink shared channels to be transmitted from a plurality of transmission points by monitoring a downlink control channel; and a control section that controls the monitoring based on association information configured between at least one of a downlink control channel configuration, a search space configuration, or a control resource set configuration, and information related to the downlink shared channel.

IPC Classes  ?

  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

61.

RADIO BASE STATION AND RADIO COMMUNICATION METHOD

      
Document Number 03101311
Status Pending
Filing Date 2018-06-01
Open to Public Date 2019-12-05
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

This wireless base station includes: a transmission unit for transmitting first downlink control information for activation of a first channel conforming to a period set by an upper layer and second downlink control information for scheduling of retransmission of the first channel; and a control unit for matching the position of a specific field in the second downlink control information to the position of the specific field in the first downlink control information.

IPC Classes  ?

62.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03063009
Status Pending
Filing Date 2017-05-12
Open to Public Date 2019-12-03
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui

Abstract

In order to suitably control the transmission power of a UL signal at a plurality of TTIs having different time lengths, a user terminal of the present invention is provided with: a receiving unit which receives a transmission power control (TPC) command for a first uplink (UL) signal transmitted at a first transmission time interval (TTI) and/or a TPC command for a second UL signal transmitted at a second TTI, the time length of which is shorter than that of the first TTI; and a control unit which controls the accumulation of the TPC command for the first UL signal and/or the TPC command for the second UL signal.

IPC Classes  ?

  • H04L 27/26 - Systems using multi-frequency codes

63.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03062946
Status Pending
Filing Date 2017-05-02
Open to Public Date 2019-12-02
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Harada, Hiroki
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

The user terminal according to one embodiment of the present invention is characterized by having: a reception unit that receives downlink control information and/or a broadcast channel for scheduling prescribed signals; and a control unit that, on the basis of resource allocation information included in the downlink control information and/or broadcast channel, determines resource allocation for the prescribed signals. The user terminal is also characterized in that bit sizes for the resource allocation information included in the downlink control information and/or broadcast channel are respectively established in accordance with classifications for the prescribed signals.

IPC Classes  ?

  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
  • H04W 72/50 - Allocation or scheduling criteria for wireless resources

64.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03062943
Status Pending
Filing Date 2017-05-02
Open to Public Date 2019-12-02
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

According to one aspect of the present invention, a user terminal is designed to carry out transmission properly by using uplink control channels having different formats than existing LTE systems, and this user terminal has a transmission section that transmits uplink control information; and a control section that controls transmission of the uplink control information by using an uplink control channel, and the control section determines the allocation period and/or the allocation location of the uplink control channel based on at least one of a format of the uplink control information, a starting position of the uplink control channel in a time direction and information reported from a radio base station.

IPC Classes  ?

  • H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

65.

USER TERMINAL

      
Document Number 03100850
Status Pending
Filing Date 2018-05-21
Open to Public Date 2019-11-28
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

One embodiment of the user terminal of the present disclosure is equipped with a receiving unit for receiving a downlink shared channel, and a control unit for controlling the monitoring of the downlink shared channel in the frequency region resources and time region resources of the period set by higher layer signaling.

IPC Classes  ?

  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
  • H04L 1/1812 - Hybrid protocols; Hybrid automatic repeat request [HARQ]
  • H04L 1/16 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals

66.

BASE STATION, TERMINAL AND COMMUNICATION METHOD WITH BLOCK INDEX

      
Document Number 03062066
Status Pending
Filing Date 2017-05-02
Open to Public Date 2019-11-22
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Daiki
  • Harada, Hiroki
  • Nagata, Satoshi

Abstract

A base station for communicating with a user device includes: a setting unit configured to set, to a block including a synchronization signal and system information, information indicating a transmission period of a block set including the one or more blocks, and a communication unit configured to transmit the block set to the user device in the transmission period, and to perform an initial access process with the user device based on the system information included in the block.

IPC Classes  ?

67.

USER EQUIPMENT AND BASE STATION APPARATUS

      
Document Number 03098982
Status Pending
Filing Date 2018-05-18
Open to Public Date 2019-11-21
Owner NTT DOCOMO, INC. (Japan)
Inventor Ohara, Tomoya

Abstract

User equipment includes a transmission unit that performs uplink transmissions to a base station apparatus via a plurality of uplink carriers; and a control unit that changes a transmission power value of a random access channel to be transmitted with one or more of the plurality of uplink carriers when priority levels are assigned to the respective uplink transmissions on the plurality of uplink carriers; wherein, when the transmission unit fails to transmit a random access preamble with the transmission power value of the random access channel that is changed by the control unit and the transmission unit retransmits a random access preamble, the control unit changes transmission power control of the random access preamble to be transmitted from normal transmission power control.

IPC Classes  ?

  • H04W 52/34 - TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
  • H04W 76/15 - Setup of multiple wireless link connections
  • H04W 74/0833 - Random access procedures, e.g. with 4-step access

68.

USER TERMINAL AND RADIO BASE STATION

      
Document Number 03099462
Status Pending
Filing Date 2018-05-11
Open to Public Date 2019-11-14
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

A user terminal that has a reception unit, a transmission unit, and a control unit. The reception unit performs monitoring for a downlink control channel candidate in at least one of a plurality of cells that have a plurality of numerologies. The transmission unit transmits a parameter that indicates a capability related to the monitoring. The control unit: uses the parameter to determine, for each of the plurality of numerologies, a first maximum number for blind decoding of the downlink control channel candidate within a unit time and/or a second maximum number for a control channel element for channel estimation within the unit time; and controls the monitoring on the basis of the numbers.

IPC Classes  ?

  • H04L 27/26 - Systems using multi-frequency codes

69.

USER EQUIPMENT

      
Document Number 03097680
Status In Force
Filing Date 2018-05-09
Open to Public Date 2019-11-14
Grant Date 2022-07-19
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Uchino, Tooru
  • Takahashi, Hideaki

Abstract

A terminal includes a receiver configured to receive a Timing Advance command; and a controller configured to control a timer related to uplink time alignment, wherein, in response to receiving the Timing Advance command by the receiver, the controller starts the timer, and wherein, upon receiving, by the receiver, a contention resolution message, the controller stops the timer after a time period from the reception of the contention resolution message.

IPC Classes  ?

  • H04W 48/14 - Access restriction or access information delivery, e.g. discovery data delivery using user query

70.

SYSTEMS AND METHODS FOR CONTROLLING TRANSMISSION POWER IN WIRELESS COMMUNICATION SYSTEMS

      
Document Number 03098558
Status In Force
Filing Date 2018-05-09
Open to Public Date 2019-11-14
Grant Date 2023-06-13
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Umeda, Hiromasa
  • Andou, Kei

Abstract

A first base station apparatus includes a transmitting unit that transmits, to a second base station apparatus among a plurality of base station apparatuses, information indicating a maximum transmit power of user equipment with respect to the first base station apparatus and the second base station apparatus, a receiving unit that receives, from the second base station apparatus, information for a request to configure the maximum transmit power, and a setting unit that transmits the information indicating the maximum transmit power to the user equipment.

IPC Classes  ?

  • H04W 52/38 - TPC being performed in particular situations
  • H04W 16/28 - Cell structures using beam steering
  • H04W 92/20 - Interfaces between hierarchically similar devices between access points
  • H04L 27/26 - Systems using multi-frequency codes

71.

USER TERMINAL

      
Document Number 03099848
Status Pending
Filing Date 2018-05-10
Open to Public Date 2019-11-14
Owner NTT DOCOMO, INC. (Japan)
Inventor Harada, Hiroki

Abstract

The user terminal according to one embodiment of the present disclosure is characterized by having: a measurement unit that, in a specific frequency band, uses a prescribed reference signal to perform an L1 measurement; and a control unit that, on the basis of subcarrier spacing (SCS) for the prescribed reference signal, controls data transmission/reception that occurs in the specific frequency band at the time of the measurement. The one embodiment of the present disclosure makes it possible to appropriately control data transmission/reception that is simultaneous with a measurement, even when the measurement is not an SSB measurement.

IPC Classes  ?

72.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03097318
Status Pending
Filing Date 2019-04-15
Open to Public Date 2019-10-24
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Liu, Min
  • Wang, Jing
  • Hou, Xiaolin

Abstract

In order to appropriately carry out a beam recovery procedure, a user terminal according to an aspect of the present invention is characterized by having: a control unit that starts a prescribed timer on the basis of a beam failure instance counter; and a transmission unit that, when there is a reference signal for identifying a candidate beam which has Layer 1 reference signal received power (L1-RSRP) exceeding a prescribed threshold value, before the prescribed timer expires and when there is a contention-free random access (CFRA) resource associated with the reference signal, transmits a random access preamble by using the CFRA resource.

IPC Classes  ?

73.

USER EQUIPMENT AND BASE STATION APPARATUS

      
Document Number 03092291
Status In Force
Filing Date 2018-04-05
Open to Public Date 2019-10-10
Grant Date 2023-10-31
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Uchino, Tooru
  • Takahashi, Hideaki
  • Iizasa, Naoto
  • Harada, Hiroki

Abstract

This user device includes: a receiving unit which acquires, from a base station device, information relating to preamble reception target power; a control unit which changes a setting range of the preamble reception target power configured from a plurality of power values and determines preamble transmission power on the basis of the information relating to the preamble reception target power and the changed setting range; and a transmission unit which transmits, to the base station device, a preamble with the determined preamble transmission power.

IPC Classes  ?

  • H04W 52/28 - TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non-transmission
  • H04W 52/10 - Open loop power control

74.

USER TERMINAL AND RADIO BASE STATION

      
Document Number 03095726
Status Pending
Filing Date 2018-04-04
Open to Public Date 2019-10-10
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui
  • Guo, Shaozhen
  • Hou, Xiaolin

Abstract

The user terminal according to one embodiment is characterized by having: a reception unit that receives downlink control information that is for releasing semi-persistent scheduling (SPS) for a downlink shared channel; and a control unit that supports reception of up to one unicast downlink shared channel per slot and, when the SPS and a semi-static hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook have been established, generates one HARQ-ACK bit with respect to the reception of the downlink control information. This embodiment makes it possible for HARQ-ACK to be transmitted appropriately, even when a semi-static HARQ-ACK codebook has been established.

IPC Classes  ?

75.

USER TERMINAL

      
Document Number 03095835
Status Pending
Filing Date 2018-04-06
Open to Public Date 2019-10-10
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

The user terminal according to an embodiment of the present disclosure is characterized in having: a transmission/reception unit for transmitting and/or receiving a demodulation reference signal (DMRS) of a physical shared channel; and a control unit for determining the power of the DMRS with reference to a table defining the proportions of the energy per resource element (EPRE) of the physical shared channel and the EPRE of the DMRS to which a prescribed number of CDM groups is applied, without taking resource elements to which the DMRS is not allocated into account. According to the embodiment of the present disclosure, the same transmission power can be used for data symbols and DMRS symbols, in NR.

IPC Classes  ?

  • H04W 52/18 - TPC being performed according to specific parameters

76.

USER TERMINAL

      
Document Number 03094602
Status Pending
Filing Date 2018-03-30
Open to Public Date 2019-10-03
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Harada, Hiroki
  • Takahashi, Hideaki

Abstract

A user terminal according to one aspect of the present disclosure includes: a receiving section that receives measurement signals of a first cell and a second cell; and a control section that, when at least one of handover, cell re-selection and a cell addition procedure is performed based on a measurement result that uses the measurement signals, determines whether or not to assume that timings of radio frames and numbers assigned to the radio frames match between the first cell and the second cell.

IPC Classes  ?

77.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03092229
Status Pending
Filing Date 2019-02-27
Open to Public Date 2019-09-06
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Osawa, Ryosuke
  • Nagata, Satoshi
  • Kakishima, Yuichi

Abstract

The present invention appropriately determines an SRS precoder. A user terminal according to one embodiment of the present disclosure is characterized by having a control unit for identifying a resource for a channel state information reference signal (CSI-RS), and a transmission unit for transmitting a sounding reference signal (SRS) by using a precoder which is based on the last transmitted resource.

IPC Classes  ?

  • H04W 16/28 - Cell structures using beam steering
  • H04W 88/02 - Terminal devices
  • H04B 7/0456 - Selection of precoding matrices or codebooks, e.g. using matrices for antenna weighting
  • H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
  • H04L 27/26 - Systems using multi-frequency codes

78.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03092296
Status Pending
Filing Date 2019-02-26
Open to Public Date 2019-09-06
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Moroga, Hideyuki
  • Nagata, Satoshi
  • Kakishima, Yuichi

Abstract

This user equipment is characterized by being provided with: a transmission unit which transmits an uplink shared channel; and a control unit which, when frequency hopping is applied to the uplink shared channel, determines, using a start symbol of each hop as a reference point and on the basis of a mapping type of the uplink shared channel, a symbol for a reference signal for demodulating the uplink shared channel.

IPC Classes  ?

79.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03092137
Status Pending
Filing Date 2018-02-26
Open to Public Date 2019-08-29
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

In order to appropriately transmit uplink control channels in future wireless communications systems, this user terminal has a reception unit that receives at least one downlink allocation and at least one downlink shared channel scheduled to the at least one downlink allocation and a control unit that controls the transmission of a delivery confirmation signal using at least one out of an uplink control channel format and delivery confirmation signal mapping, which are associated to at least one out of: whether or not use of a dynamic delivery confirmation signal code book is set for the at least one downlink shared channel; the number of bits in the delivery confirmation signal for the at least one downlink shared channel; whether or not the at least one downlink allocation is sent using one frequency resource; and the number of code words for each downlink shared channel.

IPC Classes  ?

  • H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
  • H04W 28/04 - Error control
  • H04L 1/1812 - Hybrid protocols; Hybrid automatic repeat request [HARQ]

80.

USER TERMINAL, RADIO BASE STATION AND RADIO COMMUNICATION METHOD

      
Document Number 03091891
Status Pending
Filing Date 2018-02-23
Open to Public Date 2019-08-29
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

This user terminal is characterized by comprising: a transmission unit that sends uplink control information using an uplink control channel; a reception unit that receives system information including an index value set among a plurality of index values indicating at least a different number of resources for the uplink control channel; and a control unit that determines the resources for transmission of the uplink control information, on the basis of at least either a bit value or an implied value in the downlink control information, among at least one resource indicating the index value indicated in the system information.

IPC Classes  ?

  • H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

81.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03090946
Status Pending
Filing Date 2018-02-16
Open to Public Date 2019-08-22
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

In order to appropriately set a sequence to be applied to a reference signal and/or an uplink control channel, etc., in a future wireless communication system, one aspect of the user terminal according to the present disclosure is characterized by comprising: a transmission unit that transmits, by predetermined slots, a demodulation reference signal and/or an uplink control channel to which a predetermined sequence has been applied; and a control unit that selects, from among a plurality of predetermined sequences obtained for the slots at least on the basis of a frequency hopping index, a predetermined sequence to be applied when frequency hopping is set and/or a predetermined sequence to be applied when frequency hopping is not set.

IPC Classes  ?

  • H04L 27/26 - Systems using multi-frequency codes
  • H04J 13/18 - Allocation of orthogonal codes
  • H04B 1/713 - Spread spectrum techniques using frequency hopping

82.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03087855
Status Pending
Filing Date 2018-01-11
Open to Public Date 2019-07-18
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

The user terminal according to one embodiment of the present invention is characterized by having: a control unit which identifies the type of a specific search space on the basis of predetermined information included in a search space setting; and a reception unit which monitors a COntrol REsource SET (CORESET) using the specific search space. According to one embodiment of the present invention, it is possible to appropriately associate a CORESET with a search space.

IPC Classes  ?

  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

83.

USER EQUIPMENT

      
Document Number 03087617
Status In Force
Filing Date 2018-12-06
Open to Public Date 2019-07-18
Grant Date 2023-12-12
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takahashi, Hideaki
  • Umeda, Hiromasa
  • Andou, Kei

Abstract

There is provided a terminal including a processor that includes, in capability information, a frequency separation between a lower edge of a component carrier with a lowest frequency for supported carrier aggregation and an upper edge of a component carrier with a highest frequency for the supported carrier aggregation; and a transmitter that transmits the capability information to a base station.

IPC Classes  ?

  • H04W 8/22 - Processing or transfer of terminal data, e.g. status or physical capabilities
  • H04W 88/02 - Terminal devices
  • H04B 7/005 - Control of transmission; Equalising
  • H04W 72/51 - Allocation or scheduling criteria for wireless resources based on terminal or device properties

84.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03087956
Status Pending
Filing Date 2018-01-11
Open to Public Date 2019-07-18
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

A user terminal according to an aspect of the present disclosure includes a control section that determines a type of particular search space, based on certain information included in a search space configuration, and a receiving section that monitors a control resource set (CORESET) by using the particular search space. The control section is configured to necessarily determine at least two types including a type of search space for detecting a downlink control information format with CRC (Cyclic Redundancy Check) scrambled by a random access RNTI (Radio Network Temporary Identifier) and a type of user terminal-specific search space, based on one or a plurality of search space configurations. According to an aspect of the present disclosure, it is possible to appropriately associate a search space with a CORESET.

IPC Classes  ?

  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

85.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03087974
Status Pending
Filing Date 2018-01-11
Open to Public Date 2019-07-18
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Harada, Hiroki
  • Takeda, Daiki
  • Nagata, Satoshi

Abstract

The purpose of the invention is to suppress an increase in power consumption and/or the occurrence of delay at the time of accessing a network in a future radio communication system. An embodiment of a user terminal according to the present disclosure comprises: a reception unit that receives a synchronization signal block including a broadcast channel in a predetermined synchronization raster; and a control unit that, on the basis of predetermined bit information of a predetermined information element included in the synchronization signal block, controls a synchronization raster to be detected by replacing bit information included in said predetermined information element and/or another information element.

IPC Classes  ?

  • H04L 27/26 - Systems using multi-frequency codes

86.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03088099
Status Pending
Filing Date 2018-01-11
Open to Public Date 2019-07-18
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

To properly control UL transmissions of A/N in response to a plurality of DL transmissions with different requirements and the like, one aspect of a user terminal in the present disclosure has a transmitting section that transmits a first delivery acknowledgement signal (A/N) in response to a first PDSCH and a second A/N in response to a second PDSCH transmitted later than the first PDSCH, and a control section that controls to transmit at least one of the first A/N and the second A/N, using one of an uplink control channel configured for the first A/N and another uplink control channel configured for the second A/N, in a case where transmission timing of the first A/N overlaps transmission timing of the second A/N.

IPC Classes  ?

  • H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
  • H04L 1/16 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals

87.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03086882
Status Pending
Filing Date 2017-12-27
Open to Public Date 2019-07-04
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

In order to suppress a decrease in communication throughput and the like even when multiplexing of uplink control information with respect to an uplink data channel is supported, a user equipment according to an aspect of the present disclosure comprises: a transmission unit that multiplexes and transmits an acknowledgment signal onto a first uplink shared channel for performing transmission on the basis of downlink control information with a UL transmission instruction from a radio base station, and/or onto a second uplink shared channel for performing transmission independently of the downlink control information with the UL transmission instruction; and a control unit that determines, on the basis of different information, the number of bits of the acknowledgement signal that is to be multiplexed in the first uplink shared channel and the number of bits of the acknowledgement signal that is to be multiplexed in the second uplink shared channel.

IPC Classes  ?

  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
  • H04L 1/1812 - Hybrid protocols; Hybrid automatic repeat request [HARQ]

88.

BASE STATION AND RADIO COMMUNICATION METHOD

      
Document Number 03086984
Status Pending
Filing Date 2017-12-27
Open to Public Date 2019-07-04
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

In order to prevent a drop in communication throughput and the like even where multiplexing is supported for uplink control information on an uplink data channel, an embodiment of a base station disclosed herein has: a transmission unit for transmitting download data and downlink control information instructing an upload transmission; and a control unit for controlling scheduling such that the number of bits of a delivery acknowledgement signal of the download data, which is to be multiplexed on a first uplink shared channel where transmission is on the basis of the downlink control information and/or a second uplink shared channel where transmission is independent of the downlink control information, is at most a predefined value.

IPC Classes  ?

  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
  • H04L 1/1812 - Hybrid protocols; Hybrid automatic repeat request [HARQ]

89.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03084126
Status Pending
Filing Date 2017-12-04
Open to Public Date 2019-06-13
Owner NTT DOCOMO, INC. (Japan)
Inventor Harada, Hiroki

Abstract

In order to suppress degradation of communication throughput and/or communication quality even if one or more partial bands are set within a carrier, an aspect of user equipment according to the present invention comprises: a reception unit that receives a downstream signal via any of a plurality of partial bands that can be set within a carrier; and a control unit that controls the reception of a radio link monitoring reference signal that is set for each of the plurality of partial bands.

IPC Classes  ?

  • H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
  • H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

90.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03082739
Status Pending
Filing Date 2017-11-17
Open to Public Date 2019-05-23
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

A user terminal according to one embodiment of the present disclosure is characterized by having: a transmission unit that, through use of a prescribed resource, transmits first Uplink Control Information (UCI) including a positive Scheduling Request (SR) or a second UCI including a negative SR; and a control unit that, in order to specify the prescribed resource, determines whether to use a first setting for transmitting the first UCI and the second UCI using the same frequency resource or to use a second setting for transmitting each of the first UCI and the second UCI using different frequency resources. According to one embodiment of the present disclosure, it is possible to suppress reductions in communication throughput, etc., even when transmitting the UCI using a new uplink control channel.

IPC Classes  ?

  • H04L 27/26 - Systems using multi-frequency codes

91.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03082736
Status Pending
Filing Date 2017-11-16
Open to Public Date 2019-05-23
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui

Abstract

To suitably control inter-slot frequency hopping of uplink channels/signals. The user terminal according to the present invention is characterized by comprising: a transmission unit that transmits an uplink data channel extending over a plurality of slots; and a control unit that controls frequency hopping of the uplink data channel between the plurality of slots.

IPC Classes  ?

  • H04B 1/713 - Spread spectrum techniques using frequency hopping

92.

USER TERMINAL AND TRANSMISSION TIMING CONTROL METHOD

      
Document Number 03080482
Status In Force
Filing Date 2017-10-31
Open to Public Date 2019-05-09
Grant Date 2023-09-26
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Uchino, Tooru
  • Takahashi, Hideaki
  • Takeda, Kazuki
  • Ohara, Tomoya
  • Harada, Hiroki

Abstract

The present invention enables proper execution of transmission timing control for an uplink signal to which a plurality of numerologies are applied. This user terminal has: a reception unit that receives, from a base station, a Media-Access-Control control element (MAC CE) including a time index; a control unit that adjusts the transmission timing of the uplink signal on the basis of a value obtained by multiplying the time index by a grain size corresponding to a signal design of the uplink signal; and a transmission unit that transmits, to the base station, the uplink signal, the transmission timing of which has been adjusted.

IPC Classes  ?

  • H04W 56/00 - Synchronisation arrangements
  • H04W 48/16 - Discovering; Processing access restriction or access information
  • H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]

93.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03079041
Status Pending
Filing Date 2017-10-19
Open to Public Date 2019-04-25
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Takeda, Kazuki
  • Nagata, Satoshi
  • Wang, Lihui
  • Hou, Xiaolin

Abstract

A user terminal according to the present invention includes: a reception section that receives each of information indicating a code rate for a first uplink control channel, and information indicating a code rate for a second uplink control channel having a longer duration than that of the first uplink control channel; and a control section that controls transmission of Uplink Control Information (UCI) based on a code rate indicated by the information matching an uplink control channel used for the transmission of the uplink control information

IPC Classes  ?

  • H04L 1/00 - Arrangements for detecting or preventing errors in the information received
  • H04L 27/26 - Systems using multi-frequency codes

94.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03078792
Status Pending
Filing Date 2018-10-09
Open to Public Date 2019-04-18
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Yoshioka, Shohei
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

User equipment according to an aspect of the present disclosure is characterized by being provided with: a transmission unit that transmits uplink control information using an uplink shared channel; and a control unit that, in a symbol adjacent to a symbol for a demodulation reference signal for the uplink shared channel, determines resource elements having a predetermined frequency interval therebetween to which the uplink control information is mapped.

IPC Classes  ?

  • H04L 27/26 - Systems using multi-frequency codes

95.

SECURITY ESTABLISHMENT METHOD, TERMINAL DEVICE, AND NETWORK DEVICE

      
Document Number 03078785
Status Pending
Filing Date 2018-10-10
Open to Public Date 2019-04-18
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Aono, Hiroshi
  • Zugenmaier, Alf

Abstract

A security establishment method includes generating a pair of keys via mutual authentication between a terminal device (110) and a serving network, and the terminal device (110) and the serving network sharing Kasme by using the generated pair of keys (Steps S50 and S100), the terminal device (110) and a roaming destination network of the terminal device (110) generating, by using the Kasme, Kseaf mapped with SEAF (50) (Steps S140 and S150), and the terminal device (110) and the roaming destination network generating, by using at least the Kseaf and SUPI used to recognize a subscriber in the serving network, Kamf mapped with AMF (60) (Steps S140 and S150).

IPC Classes  ?

  • H04W 12/0431 - Key distribution or pre-distribution; Key agreement
  • H04W 12/041 - Key generation or derivation
  • G09C 1/00 - Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system

96.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03078515
Status Pending
Filing Date 2017-10-06
Open to Public Date 2019-04-11
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Harada, Hiroki
  • Takeda, Daiki
  • Murayama, Daisuke
  • Nagata, Satoshi

Abstract

To appropriately notify a control channel configuration domain and/or a data allocation domain in a radio communication system that uses synchronization signal blocks, a user terminal includes: a reception section that receives a synchronization signal block including configuration information indicating a configuration of a control resource set; and a control section that controls determination of a radio resource of the control resource set based on at least one of identification information of the synchronization signal block, a subcarrier spacing of a downlink data channel scheduled on a downlink control channel in the control resource set, a subcarrier spacing of the synchronization signal block and a frequency band, and the configuration information.

IPC Classes  ?

  • H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

97.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03078523
Status Pending
Filing Date 2017-10-06
Open to Public Date 2019-04-11
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

The present invention provides a user terminal comprising: a transmission unit for transmitting uplink control information (UCI) using an uplink control channel in the first period and/or an uplink control channel in the second period longer than the first period; a reception unit for receiving information about fallback of the uplink control channel; and a control unit for controlling the format of the uplink control channel used for transmission of the UCI, on the basis of the information about fallback.

IPC Classes  ?

  • H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

98.

USER TERMINAL AND RADIO COMMUNICATION METHOD

      
Document Number 03078521
Status Pending
Filing Date 2017-10-06
Open to Public Date 2019-04-06
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Matsumura, Yuki
  • Takeda, Kazuki
  • Nagata, Satoshi

Abstract

To appropriately control transmission of UCI that uses one or more uplink control channel resources, one aspect of a user terminal according to the present invention includes: a transmission section that transmits Uplink Control Information (UCI) by using one or more uplink control channel resources; and a control section that controls the transmission of the UCI based on predetermined downlink control information including information related to a plurality of uplink control channel resources.

IPC Classes  ?

  • H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

99.

BASE STATION AND MEASUREMENT CAPABILITY DETERMINATION METHOD

      
Document Number 03073659
Status In Force
Filing Date 2018-09-12
Open to Public Date 2019-04-04
Grant Date 2023-06-27
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Hapsari, Wuri Andarmawanti
  • Takahashi, Hideaki
  • Kai, Kenji
  • Matsukawa, Ryusuke
  • Min, Tianyang

Abstract

A base station of a first radio access scheme that provides dual connectivity to a user equipment together with a secondary node of a second radio access scheme includes a measurement capability adjusting unit that provides to the secondary node a candidate for a measurement capability of the user equipment in the first radio access scheme or a candidate for a measurement capability of the user equipment in the second radio access scheme and determines the measurement capability of the user equipment in the first radio access scheme on the basis of a response from the secondary node and a measurement control unit that controls a measurement operation of the user equipment in the first radio access scheme on the basis of the determined measurement capability.

IPC Classes  ?

  • H04W 24/10 - Scheduling measurement reports
  • H04W 16/32 - Hierarchical cell structures
  • H04W 88/06 - Terminal devices adapted for operation in multiple networks, e.g. multi-mode terminals
  • H04W 92/20 - Interfaces between hierarchically similar devices between access points
  • H04B 17/309 - Measuring or estimating channel quality parameters

100.

ARRANGEMENT OF PHASE TRACKING REFERENCE SIGNAL IN RADIO FRAME

      
Document Number 03076475
Status In Force
Filing Date 2017-09-25
Open to Public Date 2019-03-28
Grant Date 2023-04-25
Owner NTT DOCOMO, INC. (Japan)
Inventor
  • Saito, Keisuke
  • Takeda, Kazuaki
  • Nagata, Satoshi
  • Kakishima, Yuichi

Abstract

A base station apparatus communicates with user equipment, the base station apparatus including a configurator that arranges a reference signal used for demodulation and a reference signal used for a phase correction in a radio frame; and a transmitter that transmits the radio frame to the user equipment, wherein, in the radio frame, one of the reference signal used for the phase correction and the reference signal used for the demodulation is arranged within a predetermined interval.

IPC Classes  ?

  • H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
  • H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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