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:: Volume 1, Issue 2 (1-2014) ::
2014, 1(2): 18-33 Back to browse issues page
A New Multiobjective Optimization Method for Power Control in CDMA Cellular Systems
Mostafa Rezayi * , Hamid Farrokhi
University of Birjand , m_rezaie_2005@yahoo.com
Abstract:   (14939 Views)
A new multiobjective power control algorithm is presented in this paper in which power update is accomplished using local information. The algorithm benefits a multiobjective optimization technique the objectives of which are designed in a way to not only minimize the users’ transmit power but also maintain the users’ SIR at an acceptable level, on one hand, and reduce as much possible the SIR fluctuations, on the other hand. The convergence characteristics of the proposed method are investigated both theoretically and with simulations. The results indicates that, compared to other existing power control algorithms, the proposed algorithm has a higher convergence speed while reducing user’s transmit power. Introducing the practical version of the proposed algorithm, it is then compared with two existing algorithms including B-BPSC (FSPC) and MOTDPC. Simulation results show significant improvements in the convergence speed and average consumed power.
Keywords: distributed power control, multi-objective optimization, cellular systems, CDMA, convergence
Full-Text [PDF 384 kb]   (3281 Downloads)    
Type of Study: Research | Subject: Wireless Networks
Received: 2013/06/2 | Accepted: 2013/08/18 | Published: 2014/01/5
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Rezayi M, Farrokhi H. A New Multiobjective Optimization Method for Power Control in CDMA Cellular Systems. Nonlinear Systems in Electrical Engineering 2014; 1 (2) :18-33
URL: http://journals.sut.ac.ir/jnsee/article-1-42-en.html


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Volume 1, Issue 2 (1-2014) Back to browse issues page
سامانه های غیرخطی در مهندسی برق Journal of Nonlinear Systems in Electrical Engineering
نشریه سامانه‌های غیرخطی در مهندسی برق در خصوص اصول اخلاقی انتشار مقاله، از توصیه‌های «کمیته بین‌المللی اخلاق نشر» موسوم به COPE و «منشور و موازین اخلاق پژوهش» مصوب معاونت پژوهش و فناوری وزارت علوم، تحقیقات و فناوری تبعیت می‌کند.
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