Performance analysis and modelling of single-step power control in finite state Markov channel under different feedback channels

We investigate a commonly used power control scheme called single-step power control (SSPC) in finite state Markov channel (FSMC). The performance of SSPC is highly affected by two major factors, the power control error (PCE) and the imperfect feedback of the SSPC commands. In the first part of this...

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Bibliographic Details
Published in:IEEE transactions on communications 2010-04, Vol.58 (4), p.1280-1290
Main Authors: CHANG, Min-Kuan, LEE, Shi-Yong, CHIEN, Chien-Hao, KUO, Chih-Hung
Format: Article
Language:English
Subjects:
Applied sciences
Attenuation
Bit error rate
Channels
Commands
Control systems
Control theory
Delay
Detection, estimation, filtering, equalization, prediction
Error correction
Exact sciences and technology
Fading
Feedback
FSMC
Information, signal and communications theory
Interference
Mathematical analysis
PCE model
Performance analysis
Power control
Signal and communications theory
Signal, noise
single-step power control
SSPC model
State feedback
Telecommunications and information theory
Wireless networks
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Summary:We investigate a commonly used power control scheme called single-step power control (SSPC) in finite state Markov channel (FSMC). The performance of SSPC is highly affected by two major factors, the power control error (PCE) and the imperfect feedback of the SSPC commands. In the first part of this work, we aim at modelling the behavior of PCE in FSMC. Based on the proposed PCE model, BER and PER performance are evaluated. Simulation results have shown the validity of the proposed PCE model, derived PER and BER in this work. In the second part of this work, SSPC models under different scenarios are established in order to understand the impact of the imperfect feedback on SSPC commands and to obtain the interactions between SSPC and FSMC. We consider four scenarios, perfect feedback, command error, command loss and command delay. The associated transitional probabilities of each scenario are given. Extensive simulation has shown the accuracy of the proposed SSPC models in these four scenarios.
ISSN:0090-6778
1558-0857
DOI:10.1109/TCOMM.2010.04.070381