Rtp voice packets for base station hand-off in mobile ip...

Details Rtp voice packets for base station hand-off in mobile ip... Rtp voice packets for base station hand-off in mobile ip...

H - Electricity

04

W

H04W 28/06 (2009.01) H04W 36/08 (2009.01) H04W 80/04 (2009.01)

Patent

CA 2743819

In wireless networks where the goal is to support a large number of VOIP based cellular calls, large overhead headers in RTP voice packets are not acceptable. In wireless networks where multiple base stations are deployed, handsets may handoff from one base station to the other while in a voice call creating a large overhead. This disclosure describes an efficient way to extend a header compression algorithm and lower the overhead when the handset is in a voice call and hands off from one base station to another.

Dans des réseaux sans fil dans lesquels l'objectif est de supporter un grand nombre d'appels cellulaires basés sur VOIP, des en-têtes à grand surdébit dans des paquets vocaux RTP ne sont pas acceptables. Dans des réseaux sans fil dans lesquels de multiples stations de base sont déployées, des combinés peuvent être transférés d'une station de base à une autre pendant une communication téléphonique, créant un grand surdébit. Cette invention décrit un moyen efficace pour étendre un algorithme de compression d'en-tête et réduire le surdébit lorsque le combiné est en communication téléphonique et est transféré d'une station de base à une autre.

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