Volume 11, Issue 3 (2011)
MJEE 2011, 11(3): 1-12 |
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Rezayi M, Farrokhi H. An Efficient Multiobjective Power Control Algorithm for Wireless CDMA Networks. MJEE 2011; 11 (3) :1-12
URL: http://mjee.modares.ac.ir/article-17-2094-en.html
URL: http://mjee.modares.ac.ir/article-17-2094-en.html
1- Department of Electrical Engineering, University of Birjand, Birjand, Iran
2- Assistant professor Department of Electrical Engineering, University of Birjand
2- Assistant professor Department of Electrical Engineering, University of Birjand
Abstract: (3995 Views)
Abstract This paper presents a multiobjective power control algorithm that updates the transmitted power based on local information. The proposed algorithm is expanded by using multiobjective optimization schemes. The objectives to be optimized in this paper are determined so as to reduce the SINR fluctuations as well as maintaining the SINR to an acceptable level with minimizing an average transmitted power. The convergence properties of the proposed algorithm are studied theoretically and with numerical simulations. The results indicate that the algorithm converges more rapidly and has lower average transmitted power than other existing algorithms. The current study also suggests a practical version of the proposed algorithm and compares it to the existing totally distributed bang-bang power control (B-BPC) or fixed step power control (FSPC) and multiobjective totally distributed power control (MOTDPC) algorithms. Numerical results show that the proposed algorithm is potentially much more efficient in terms of convergence speed and average consumption power than the other two algorithms.
Keywords: Distributed Power Control, Multiobjective Optimization, Cellular Systems, CDMA, Convergence, CDMA
Received: 2015/04/6 | Accepted: 2015/03/21 | Published: 2015/04/6
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