Device and method of continuous outer-loop power control in...

Details Device and method of continuous outer-loop power control in... Device and method of continuous outer-loop power control in...

H - Electricity

04

B

H04B 7/00 (2006.01) H04B 7/005 (2006.01) H04B 7/216 (2006.01) H04B 7/26 (2006.01) H04L 1/20 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2328441

A device and method for outer-loop power control in a discontinuous transmission mode in a CDMA mobile communication system. In an outer-loop power control method for a non-frame data transmission period of a dedicated control channel (DCCH) which transmits frame data discontinuously, the signal-to-noise ratio (SNR) of power control bits (PCBs) received at a mobile station from a base station is measured for the frame period, and it is determined whether the frame has errors based on the measured SNR. A closed-loop power control threshold is increased if a frame error exists and decreased if no frame errors exist.

L'invention concerne un dispositif et un procédé de régulation de puissance par boucle extérieure en mode de transmission discontinue destinés à un système de communication mobile AMCR. Dans un procédé de régulation de puissance par boucle externe destiné à une période de transmission de données sans trame d'un canal de commande réservé (DCCH) transmettant des données de trame de façon discontinue, le rapport signal/bruit (SNR) de bits de régulation de puissance (PCB) reçus par une station mobile en provenance d'une station de base est calculé pour la période de trame. On détermine ensuite, sur la base du SNR calculé, si la trame comporte des erreurs. Un seuil de régulation de puissance en boucle fermée est augmenté si une erreur de trame existe, et diminué dans le cas contraire.

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