Imagination Technologies Limited

Royaume‑Uni

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METHOD AND APPARATUS FOR TIME SYCHRONISATION IN WIRELESS NETWORKS

      
Numéro de document 02849594
Statut Délivré - en vigueur
Date de dépôt 2012-09-21
Date de disponibilité au public 2013-03-28
Date d'octroi 2015-01-20
Propriétaire IMAGINATION TECHNOLOGIES LIMITED (Royaume‑Uni)
Inventeur(s) Knowles, Ian Robert

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A wireless media distribution system is provided comprising an access point (6) for broadcasting media and a plurality of stations (2) for reception and playback of media. Each station is configured for receiving and decoding a timestamp in a beacon frame transmitted repeatedly from the access point. This is used to control the output signal of a station physical layer clock (12) which is then used as a clock source for an application layer time synchronisation protocol. This application layer time synchronisation protocol can then be used in the station to control an operating system clock (8) for regulating playback of media.

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