H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 1/00 (2006.01) H04B 17/00 (2006.01) H04L 12/56 (2006.01)
Patent
CA 2680718
Channel state feedback is provided from a UE (800) to a base station (700) as a first, detailed or a second, less detailed type of channel state feedback information. Initially it is determined (403) whether the UE has received an uplink grant from the base station or not. If the UE has received an uplink grant, a first type of channel state feedback information is transmitted (404) to the base station on the granted resource. If, however, the UE has not received an uplink grant, a second type of channel state feedback information is transmitted (405) to the base station. Different types of channel state feedback information enables a UE and an associated base station to use available resources more efficiently, when requesting for and delivering channel state feedback information.
L'invention concerne une transmission de rétroaction d'état de canal d'un équipement utilisateur (UE) (800) vers une station (700) de base, formée d'un premier type détaillé ou d'un second type moins détaillé d'informations de rétroaction d'état de canal. Le procédé consiste d'abord à déterminer (403) si l'UE a reçu ou non une affectation de liaison montante de la station de base. Si l'UE a reçu une affectation de liaison montante, un premier type d'informations de rétroaction d'état de canal est transmis (404) à la station de base sur la ressource affectée. Cependant, si l'UE n'a pas reçu d'affectation de liaison montante, un second type d'informations de rétroaction d'état de canal est transmis (405) à la station de base. Différents type d'informations de rétroaction d'état de canal permettent à un UE et à une station de base associée d'utiliser les ressources disponibles plus efficacement, lors de la demande et de la distribution d'informations de rétroaction d'état de canal.
Englund Eva
Frenger Pal
Parkvall Stefan
Ericsson Canada Patent Group
Telefonaktiebolaget L. M. Ericsson (publ)
LandOfFree
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