Bandwidth adaptation

H - Electricity – 04 – W

Patent

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Details

H04W 72/02 (2009.01) H04L 12/18 (2006.01) H04L 12/56 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2496366

The invention relates to a method for packet switched streaming of media, such as video and/or audio, from a streaming server (111) to a mobile client device (101) over an air-interface. The method comprises noticing a change in a downlink air-interface bandwidth, sending from the mobile client device (101) to the streaming server (111) a request for adapting streaming server transmission bit rate, receiving the request at the streaming server (111) and adapting the streaming server transmission bit rate in accordance with the request. According to the method, the request indicates to the streaming server (111) a current downlink air-interface bandwidth and that said adapting of the streaming server transmission bit rate is performed in accordance with said current downlink air-interface bandwidth.

L'invention concerne un procédé pour des séquences de média, telles que des séquences vidéo et/ou audio, à commutation de paquets, à partir d'un serveur de réseau (111) vers un dispositif client mobile (101) sur une interface hertzienne. Ledit procédé comprend la notification d'un changement dans une largeur de bande d'interface hertzienne en liaison descendante, l'envoi d'une demande permettant d'adapter le débit binaire de transmission du serveur de séquences à partir du dispositif client mobile (101) vers le serveur de séquences (111), la réception de la demande sur le serveur de séquences (111) et l'adaptation du débit binaire de transmission du serveur de séquences, selon la demande. Selon le procédé de l'invention, la demande indique au serveur de séquences (111) une largeur de bande d'interface hertzienne en liaison descendante courante et l'adaptation du débit binaire de transmission du serveur de séquences est effectuée d'après ladite largeur de bande d'interface hertzienne en liaison descendante courante.

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