Optimized power control using LQ scheme for CDMA systems

Ji Young Byun; K. O. Young-Chai; Kwan Ho You

Optimized power control using LQ scheme for CDMA systems

Ji Young Byun
, K. O. Young-Chai
, Kwan Ho You

Department of Electronic and Electrical Engineering

Sungkyunkwan University
Korea University

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

In this paper, we propose an optimal power control algorithm with fast convergence rate for CDMA cellular systems. The new power control algorithm is based on linear quadratic control theory (LQR). Using the state feedback control designed to minimize an objective function, each mobile performs a successful transmission with optimal power. Simulation results show a fast convergence rate to target SIR with less power consumption, and an augmented channel capacity through decreased outage probability.

Original language	English
Pages (from-to)	2909-2912
Number of pages	4
Journal	IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Volume	E87-A
Issue number	11
State	Published - Nov 2004

Keywords

CDMA
LQR
Mobile communication
Optimal power control
SIR

Cite this

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title = "Optimized power control using LQ scheme for CDMA systems",

abstract = "In this paper, we propose an optimal power control algorithm with fast convergence rate for CDMA cellular systems. The new power control algorithm is based on linear quadratic control theory (LQR). Using the state feedback control designed to minimize an objective function, each mobile performs a successful transmission with optimal power. Simulation results show a fast convergence rate to target SIR with less power consumption, and an augmented channel capacity through decreased outage probability.",

keywords = "CDMA, LQR, Mobile communication, Optimal power control, SIR",

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AU - Byun, Ji Young

AU - Young-Chai, K. O.

AU - You, Kwan Ho

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N2 - In this paper, we propose an optimal power control algorithm with fast convergence rate for CDMA cellular systems. The new power control algorithm is based on linear quadratic control theory (LQR). Using the state feedback control designed to minimize an objective function, each mobile performs a successful transmission with optimal power. Simulation results show a fast convergence rate to target SIR with less power consumption, and an augmented channel capacity through decreased outage probability.

AB - In this paper, we propose an optimal power control algorithm with fast convergence rate for CDMA cellular systems. The new power control algorithm is based on linear quadratic control theory (LQR). Using the state feedback control designed to minimize an objective function, each mobile performs a successful transmission with optimal power. Simulation results show a fast convergence rate to target SIR with less power consumption, and an augmented channel capacity through decreased outage probability.

KW - CDMA

KW - LQR

KW - Mobile communication

KW - Optimal power control

KW - SIR

UR - https://www.scopus.com/pages/publications/10444228056

M3 - Article

AN - SCOPUS:10444228056

SN - 0916-8508

VL - E87-A

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JO - IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences

JF - IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences

IS - 11

ER -

Optimized power control using LQ scheme for CDMA systems

Abstract

Keywords

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