H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 52/14 (2009.01)
Patent
CA 2498221
In order to appropriately control transmit power of a common channel for an MBMS (Multimedia Broadcast/Multicast Service) so as not to become excessive, a mobile station 1 transmits a TPC command for an S-CCPCH to a base station through an uplink DPCH1 and a mobile station 2 transmits a TPC command for an S-CCPCH to the base station through an uplink DPCH2. When either one of the TPC command for the S-CCPCH transmitted from the mobile station 1 and the TPC command for the S-CCPCH transmitted from the mobile station 2 is a TPC command instructing "Up", the base station increases transmit power of the downlink S-CCPCH and decreases transmit power of the downlink S-CCPCH when both TPC commands instruct "Down".
De manière à commander la puissance d'émission du canal commun MBMS (diffusion multimédia/service multidiffusion), de façon qu'elle ne soit pas excessive, une station mobile (1) émet une commande TPC concernant le S-CCPCH via un DPCH1 amont vers la station de base, et une station mobile (2) émet une commande TPC concernant le S-CCPCH via un DPCH2 amont vers la station de base. Lorsque l'une des commandes TCP, concernant le S-CCPCH, émises depuis la station mobile (1) et depuis la station mobile (2), est une commande TCP indiquant Montée, la station de base augmente la puissance d'émission du S-CCPCH aval. Lorsque les deux commandes sont des commandes TCP indiquant Descente, la station de base diminue la puissance d'émission du S-CCPCH aval.
Hiramatsu Katsuhiko
Kasapidis Makis
Naka Katsuyoshi
Nishio Akihiko
Uehara Toshiyuki
Matsushita Electric Industrial Co. Ltd.
Osler Hoskin & Harcourt Llp
Panasonic Corporation
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