H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 52/14 (2009.01)
Patent
CA 2489265
A method and apparatus for determining a power control target setpoint and transmission power of a secondary pilot signal for power control and channel estimation on a signal transmitted in a reverse direction in a mobile communication system. A mobile station determines transmission power of a secondary pilot signal based on a data rate of a reverse traffic channel to be transmitted. A base station adjusts a power control target setpoint according to received reverse data rate information, and performs channel estimation (or channel compensation) using a primary pilot signal and a secondary pilot signal (or a reverse rate indicator (RRI) channel signal).
L'invention concerne un proc~d~ et un dispositif permettant de d~terminer une valeur pr~d~termin~e cible de commande de puissance et une puissance de transmission d'un signal pilote secondaire pour commander en puissance et estimer le canal de transmission d'un signal transmis dans une direction de retour dans un systme de communication mobile. Dans ce proc~d~, une station mobile d~termine la puissance de transmission d'un signal pilote secondaire, sur la base du d~bit d'un canal de retour, ~ transmettre. Une station de base ajuste une valeur pr~d~termin~e cible de commande de puissance en fonction des informations de d~bit du canal de retour re×ues, et effectue une estimation de canal (ou une compensation de canal) ~ l'aide d'un signal pilote primaire et d'un signal pilote secondaire (ou d'un signal de canal ~ indication de d~bit de retour (RRI)).
Kim Dong-Hee
Kim Youn-Sun
Kwon Hwan-Joon
Marks & Clerk
Samsung Electronics Co. Ltd.
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