Method for providing forward link handoff in a wireless...

H - Electricity – 04 – W

Patent

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H04W 36/08 (2009.01)

Patent

CA 2512566

A method and apparatus for performing handoff in a wireless communication system with multi-carrier modulation (MCM) for a forward link and CDMA for a reverse link. In one embodiment, a method of performing handoff on the forward link for a terminal is provided in which signal quality of pilots received by the terminal from a plurality of base stations in the system is determined. A particular base station for subsequent data transmission on the forward link to the terminal is selected based on the signal quality determined for the plurality of base stations. A request to be handed off to the particular base station is initiated if the particular base station is different than a currently selected base station.

L'invention concerne un procédé et un appareil de transfert dans une système de communication sans fil avec modulation à plusieurs porteuses (MCM) pour une liaison aval et un accès multiple par répartition de code (CDMA) pour une liaison inverse. Dans un mode de réalisation, l'invention concerne un procédé d'exécution de transfert sur la liaison aval pour un terminal, selon lequel la qualité de signaux pilotes reçus par le terminal en provenance d'une pluralité de stations de base du système est déterminée. Une station de base particulière pour l'émission subséquente de données sur la ligne aval vers le terminal est sélectionnée en fonction de la qualité des signaux déterminés pour la pluralité des stations de base. Une demande de transfert à la station de base particulière est initiée si la station de base particulière est différente d'une station de base sélectionnée à ce moment.

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