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A New User Mobility Based Adaptive Power Control in CDMA Systems
IEICE TRANSACTIONS on Communications Vol.E86-B No.5 pp.1702-1705
Publication Date: 2003/05/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Terrestrial Radio Communications
adaptive step size,
Full Text: PDF(306.7KB)
We propose a new closed-loop power control scheme for wireless mobile communication systems using an adaptive step size. The proposed scheme selects the basic power control step size by considering the speed of the mobile station and a variable step size by using instantaneous companding logic based on power control command bit patterns. We show its improved performance in view of the standard deviation of received power at the base station in consideration of channel BER.