Power control in a cdma mobile communications system

Details Power control in a cdma mobile communications system Power control in a cdma mobile communications system

H - Electricity

04

B

H04B 7/005 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2363191

A method (100) for controlling the power transmission levels in a spread spectrum or CDMA cellular system (10) is disclosed, in which the decision to increase or decrease the transmission power level of a mobile station (16) or base station (12, 14), and the amount of any such increase or decrease made, is based on the weighted combination (108) of a plurality of factors (104, 106) that indicate existing channel conditions. For example, the weight (105, 206) can be set according to the reliability of each channel condition factor involved.

L'invention concerne un procédé (100) pour commander les niveaux de la puissance d'émission dans un système cellulaire à spectre étalé ou AMRC (10). Selon ce procédé, on prend la décision d'augmenter ou d'abaisser le niveau de la puissance d'émission d'une station mobile (16) ou d'une station de base (12, 14) (ainsi que la quantité d'une éventuelle augmentation ou baisse de puissance) sur la base de la combinaison pondérée (108) de plusieurs facteurs (104, 106) qui indiquent les conditions existantes dans les canaux. La pondération (105, 206) peut par exemple être établie conformément à la fiabilité de chacun des facteurs impliqués relatifs aux conditions dans les canaux.

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