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Optimal Power Allocation for Cooperative Pattern Division Multiple Access Systems

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  • Xiurong Zhang
  • Shaoli Kang
  • Xueqian Fu

Abstract

This study focuses on the power allocation (PA) problem in code division multiple access (PDMA) networks with amplify-and-forward (AF) relays. We provide two wireless communication technical performance indexes, which are system throughput and outage probability. A multiobjective version of particle swarm optimization is proposed to solve Pareto-optimal solutions for optimal PA problems. A novel programming model is built based on improvement of constraint functions, and the accuracy and efficiency of solution can be improved via compact constraints. The technique for order preference by similarity to an ideal solution is proposed to balance the performance indicators, which include outage probability and system throughput. It has been calculated that the proposed approach for optimal PA is verified and performs better than a genetic algorithm approach.

Suggested Citation

  • Xiurong Zhang & Shaoli Kang & Xueqian Fu, 2021. "Optimal Power Allocation for Cooperative Pattern Division Multiple Access Systems," Mathematical Problems in Engineering, Hindawi, vol. 2021, pages 1-10, February.
    • Handle: RePEc:hin:jnlmpe:5581811
    DOI: 10.1155/2021/5581811
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