Method and apparatus for performing power control in a...

Details Method and apparatus for performing power control in a... Method and apparatus for performing power control in a...

H - Electricity

04

B

H04B 7/005 (2006.01)

Patent

CA 2216729

A method and apparatus for controlling transmission power in a mobile communication system is disclosed. The method disclosed provides for a closed-loop power control method. A mobile station (30) provides information on the quality of the signal received from the base station (50), and the base station (50) responds by adjusting the power allocated to that user in a shared base station signal. The transmission power is adjusted initially by a large increment and then camped down at an increasingly decreasing rate. The mobile station (30) also provides information to the base station (50) as to its relative velocity and the base station (50) adjusts its transmission power in accordance with this velocity information.

L'invention décrit un procédé et un dispositif destinés à réguler la puissance d'émission dans un système de communication mobile. Le procédé de l'invention décrit un procédé de régulation de puissance en boucle fermée. Une station mobile (30) fournit des informations sur la qualité du signal reçu de la station de base (50), auxquelles cette dernière (50) répond en réglant la puissance allouée à cet utilisateur en un signal partagé de station de base. Le réglage de l'énergie d'émission se fait à l'origine par un incrément important puis par décélération à un rythme de plus en plus rapide. La station mobile (30) fournit également des informations à la station de base (50) concernant sa vitesse relative et la station de base (50) règle son énergie d'émission suivant ces informations de vitesse.

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