| 基于遗传模拟退火算法的OFDMA系统资源分配 |
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| 引用本文： | 陈刚,武欣嵘,周斌,张文强,尹峰.基于遗传模拟退火算法的OFDMA系统资源分配[J].军事通信技术,2010(1). |
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| 作者姓名： | 陈刚 武欣嵘 周斌 张文强 尹峰 |
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| 作者单位： | 解放军理工大学通信工程学院研究生3队;解放军理工大学通信工程学院电信工程系;南京军区通信网络技术管理中心; |
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| 摘 要： | 针对多用户OFDMA系统,提出了一种基于遗传模拟退火算法的多用户OFDMA系统资源分配策略。在资源分配时,首先假设总功率在载波间均等分配,随后根据比例速率要求确定每个用户需要的子带数,最后引入遗传模拟退火算法求解联合优化中的子带分配,在保证用户间公平性的前提下最大化系统吞吐量。仿真结果表明,该策略系统容量较大,并且近似满足了不同用户间传输速率比例性要求。
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| 关 键 词： | 正交频分多址 资源分配 遗传模拟退火算法 公平性 |
Resource Allocation for OFDMA System Based on Genetic and Simulated Annealing Algorithm |
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| CHEN Gang,WU Xin-rong,ZHOU Bin,ZHANG Wen-qiang,YIN Feng.Resource Allocation for OFDMA System Based on Genetic and Simulated Annealing Algorithm[J].Journal of Military Communications Technology,2010(1). |
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| Authors: | CHEN Gang WU Xin-rong ZHOU Bin ZHANG Wen-qiang YIN Feng |
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| Institution: | 1.Postgraduate Team 3 ICE/a>;PLAUST/a>;Nanjing 210007/a>;China/a>;2.Department of Telecommunications Engineering ICE/a>;3.Communication Network Technology Management Center/a>;PLA Nanjing Military Area Command/a>;Nanjing 210006/a>;China |
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| Abstract: | A hybrid genetic algorithm based on genetic and simulated annealing was proposed for orthogonal frequency division multiplex access(OFDMA) system,which aimed to maximize the system throughput with the overall transmit power constraint and user rate proportionality constraint.The algorithm consists of two steps.Firstly,subchannels are assigned to users under the proportional rate constraint,assuming that the power is uniformly allocated on each subcarrier.Secondly,a hybrid genetic algorithm then fulfills sub... |
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| Keywords: | OFDMA resource allocation genetic and simulated annealing algorithm fairness |
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