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Journal of Applied Sciences >

2014 , Vol. 32 >Issue 1: 27 - 31

DOI: https://doi.org/10.3969/j.issn.0255-8297.2014.01.005

Communication Engineering

Multi-user Two-Way Relay Power Control for CDMA System

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  • Personal Communications Network and Spectrum Spread Laboratory, University of Science
    and Technology of China, Hefei 230027, China  

Received date: 2012-03-01

  Revised date: 2013-11-26

  Online published: 2013-11-26

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Abstract

For multi-user two-way relay in CDMA systems, bit error rate (BER) of the first jump is approximated,an efficient function of power control obtained, and an iterative algorithm for power control provided.Exsitence and uniqueness of Nash equilibrium is proved theoretically. Simulation results show reliability, fast
convergence, and low power of convergence of the proposed approximation. Compared to traditonal algotithms,the proposed method can reduce the average transmit power with large number of users in the system.

Key words： CDMA; power control; multi-user two-way relay; bit error rate (BER); Nash equilibrium

Cite this article

ZHANG Er-wei, QIU Ling . Multi-user Two-Way Relay Power Control for CDMA System[J]. Journal of Applied Sciences, 2014 , 32(1) : 27 -31 . DOI: 10.3969/j.issn.0255-8297.2014.01.005

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