Wireless communication method and apparatus for generating a...

H - Electricity – 04 – W

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H04W 72/04 (2009.01) H04W 88/02 (2009.01)

Patent

CA 2620438

A wireless communication method and apparatus for generating a scheduling grant based on a relative grant are disclosed. A wireless transmit/receive unit (WTRU) receives an absolute grant from a serving radio link set (RLS) and receives a relative grant from the serving RLS and at least one non-serving radio link (RL). The WTRU decodes enhanced dedicated channel (E-DCH) absolute grant channel (E-AGCH)E-AGCH signals to detect an absolute grant, and decodes E-DCH relative grant channel (E-RGCH)E-RGCH signals to detect at least one relative grant. The WTRU then calculates a serving grant based on the detected absolute grant and/or the relative grant(s). The relative grant may be detected by performing a hypothesis test on the E-RGCH signals. A multiple alternative hypothesis test is performed for detecting the E-RGCH signals from the serving RLS and a binary hypothesis test is performed for detecting the E- RGCH signals from the at least one non-serving RL. A reliability test may be further performed on the E-RGCH signals.

La présente invention concerne un procédé de communication sans fil et un appareil permettant de générer un octroi de programmation fondé sur un octroi relatif. Une unité émission/réception sans fil (WTRU) reçoit un octroi absolu d'un ensemble de liaisons radio de services (RLS) et reçoit un octroi relatif de cet ensemble RLS avec desserte et au moins une liaison radio sans desserte (RL). L'unité WTRU décode des signaux de canal spécialisé (E-DCH) d'octroi absolu (E-AGCH) afin de détecter un octroi absolu et, décode des signaux (E-RGCH) de canal d'octroi relatif E-DCH afin de détecter au moins un octroi relatif. L'unité WTRU calcul ensuite un octroi avec desserte fondé sur l'octroi absolu et/ou sur l'octroi relatif détecté. Un test d'hypothèses alternatives multiples est ensuite effectué afin de détecter des signaux E-RGCH en provenance de l'ensemble RSL avec desserte et un test d'hypothèse binaire est effectué afin de détecter les signaux E-RGCH en provenance de la liaison RL sans desserte. Un test de fiabilité peut aussi être effectué sur les signaux E-RGCH.

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