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Type: Journal article
Title: Linear quadratic power control for CDMA systems
Author: Anderson, M.
Perreau, S.
White, L.
Citation: Journal of Telecommunications and Information Technology, 2003; 2:48-54
Publisher: Instytut Lacznosci
Issue Date: 2003
ISSN: 1509-4553
Statement of
Michael D. Anderson, Sylvie Perreau, and Langford B. White
Abstract: In this paper, we present a robust decentralized method for jointly performing channel estimation and closed loop power control for the reverse link of CDMA networks. Our method, based on linear quadratic Gaussian (LQG) control systems theory and Kalman filtering, does not require any training symbols for channel or signal to interference ratio (SIR) estimation. The main interest of this new scheme is that it improves the performance of current SIR based power control techniques while avoiding the problem of power escalation, which is often observed in current systems.
Keywords: CDMA systems, power control, Kalman filtering,channel estimation, linear quadratic control systems.
RMID: 0020083257
Appears in Collections:Electrical and Electronic Engineering publications

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