Accession number:20081211163658
Title:Performance analysis of multi-step power control algorithm for cellular systems
Authors:Chen, Young-Long (1); Li, Chih-Peng (3); Wang, Jyu-Wei (4);
Wen, Jyh-Horng (1)
Author affiliation:(1) Department of Electrical Engineering, National Chung Cheng University, Taiwan; (2) Department of Electrical
Engineering, Chienkuo Technology University, Taiwan; (3) Institute of Communications Engineering, National Sun Yat-Sen University, Taiwan; (4) Department of Computer and Communication Engineering, Asia University, Taiwan; (5) Institute of
Communications Engineering, National Chi Nan University, Taiwan;
(6) Department of Electrical Engineering, National Chung Cheng University, 168 University Road, Ming-Hsiung, Chia-Yi, Taiwan Corresponding author:Wen, J.-H.
(wen@ee.ccu.edu.tw)
Source title:European Transactions on Telecommunications Abbreviated source title:Eur Trans Telecommun
Volume:19 Issue:2
Issue date:March 2008 Publication year:2008 Pages:193-206
Language:English ISSN:1124318X CODEN:ETTTET
Document type:Journal article (JA)
Publisher:Associazione Elettrotecnica ed Elettronica Italiana, Via Mauzo Macchi 32, Milano, 20121, Italy
Abstract:A distributed multi-step power control algorithm is
proposed for cellular networks. The proposed scheme utilises local information to feedback control commands for power adjustments.
The sufficient condition that ensures system stability is obtained. In addition, a general formula for the bound of the received CIR is derived in the presence of short-term fading. The bound of the received CIR is shown to be a function of the number of power control steps, the step size and the dead factor. In addition, system
stability for the mode-1 power control scheme is analysed by applying the results obtained for the multi-step power control
algorithm. Furthermore, the convergence region of the received CIR for long-term fading channels is treated as a special case by
assuming that all link gains are constant for consecutive measurements. Simulation results were obtained to verify the
theoretical derivations. The time required to converge on the target CIR was also analysed by simulation experiments. To demonstrate the applicability of the proposed algorithm on practical and
imperfect situations, the effects of step size, power adjustment rate, feedback delay, feedback error and CIR estimation error are
investigated and results substantiate the validity of our proposed algorithm. Copyright © 2007 John Wiley & Sons, Ltd.
Number of references:23 Main heading:Power control
Controlled terms:Algorithms - Fading channels - System stability Uncontrolled terms:Cellular systems - Dead factor - Power adjustments
Classification code:711.2 Electromagnetic Waves in Relation to Various Structures - 723 Computer Software, Data Handling and Applications - 731.3 Specific Variables Control - 961 Systems Science
DOI:10.1002/ett.1211 Database:Compendex
Compilation and indexing terms, Copyright 2009 Elsevier Inc.
