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基于EDA的机会监听中继选择的改进机制
  • ISSN号：1002-8692
  • 期刊名称：《电视技术》
  • 时间：0
  • 分类：TN925[电子电信—通信与信息系统;电子电信—信息与通信工程]
  • 作者机构：[1]北京邮电大学泛网无线通信教育部重点实验室,北京100876
  • 相关基金：基金项目：国家“863”重大专项（2009AA012211;2009AA012246）;国家自然科学基金项目（60832009;60672124）
作者： 王恒[1], 纪红[1], 李曦[1]
关键词： 分布估计算法, 中继间监听, 机会中继选择, 误包率, 学习性能, estimation of distribution algorithms, inter-relay listening, opportunistic relaying, packet error rate, self-optimizing learning
中文摘要：

机会监听中继选择机制结合了中继间监听与机会选择，可以充分利用重传机制进一步降低误包率。然而其忽视监听信道和低适应性的不足，使得该机制在某些场景中不能发挥长处。因此，提出了基于分布估计算法的改进方案，使得改进后的机制不仅考虑了监听信道对于中继选择的影响，还具备了不断自我优化的学习性能。通过仿真验证后表明，提出的方案可以进一步提升系统的性能，还具有很强的自适应能力。

英文摘要：

The inter-relay listening and the opportunistic listening are combined by the opportunistic relaying with inter-relay listening scheme which utilizes the retransmission probability to reduce the packet error rate. However, with the scheme＇ s disadvantages such as the neglect of the quality of in- ter-relay channels and low compliance, a good performance couldn＇ t be given by it in some scenes. Therefore, an improved scheme using estimation of distribution algorithms is proposed, in which the influences of quality of inter-relay channels are considered and the self-optimizing learning is provided. From the simulation, it is shown that the system performance is further improved with an adaptive capability given by the proposed scheme.

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期刊信息
  • 《电视技术》
  • 北大核心期刊（2011版）
  • 主管单位:中国电子科技集团公司
  • 主办单位:电视电声研究所
  • 主编：许盈（执行主编）
  • 地址：北京市朝阳区酒仙桥北路乙7号
  • 邮编：100015
  • 邮箱：tvea@263.net.cn; dsss@chinajournal.net.cn
  • 电话：010-59570246
  • 国际标准刊号：ISSN：1002-8692
  • 国内统一刊号：ISSN：11-2123/TN
  • 邮发代号:2-354
  • 获奖情况:
  • 第三届国家期刊奖百种重点期刊、中国期刊方阵双百...
  • 国内外数据库收录:
  • 美国剑桥科学文摘,英国科学文摘数据库,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:12712