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Adaptive power control using channel state information gradient for mobile radio systems

Lookup NU author(s): Ling Wang, Dr Charalampos Tsimenidis, Alan Adams

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Abstract

In this paper, a new adaptive, closed-loop power control algorithm Is proposed for wideband code-division-multiple-access (W-CDMA) communication systems. The adjustment of power Is carried out through knowledge of the past values of signal strength and signal-to-interference ratio (SIR). The gradient nature of Rayleigh fading channel is estimated In order to alleviate the effect of fast fading and to enable the channel to be tracked more effectively, hence providing stable received signal power and SIR for each user. Simulation results show that the proposed algorithm has superior convergence performance compared to existing approaches. © 2006 IEEE.


Publication metadata

Author(s): Wang L, Tsimenidis CC, Adams AE

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 20th International Conference on Advanced Information Networking and Applications (AINA)

Year of Conference: 2006

Pages: 915-919

ISSN: 1550-445X

Publisher: IEEE

URL: http://dx.doi.org/10.1109/AINA.2006.74

DOI: 10.1109/AINA.2006.74

Library holdings: Search Newcastle University Library for this item

ISBN: 0769524664


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