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WSN中一种基于叠加编码的协同传输方案 被引量：1

Novel cooperative transmission scheme based on code superposition in WSN
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摘要 针对分簇无线传感器网络WSN(wireless sensor networks)中现有的协同传输方案以牺牲频谱利用率来换取能效增益的不足,提出了一种基于叠加编码的簇间协同传输方案。该方案在保证系统的频谱利用率条件下,通过相邻簇的簇头节点相互协作来完成数据的传输。在频谱利用率相同的条件下,对现有的簇内协同传输方案和提出的簇间协同传输方案的能耗进行了比较分析。理论分析和仿真结果证明,提出的基于叠加编码的簇间协同传输方案能够获得更高的能效增益。 In the existing cooperative transmission scheme,the spectrum efficiency is dropped for higher energy efficiency.A cooperative inter-cluster scheme based on code superposition was proposed to improve the energy efficiency without decreasing the spectrum efficiency.The total energy consumption of the inter-cluster cooperative scheme and that of the proposed scheme with the same spectrum efficiency were analyzed.Theoretical analysis and simutation results show that the proposed scheme can obtain higher energy efficiency than the existing cooperative scheme.
作者 张余 潘晨 蔡跃明 康国钦
机构地区 总参第 解放军理工大学通信工程学院 解放军理工大学通信指挥学院
出处 《解放军理工大学学报（自然科学版）》 EI 北大核心 2011年第2期109-113,共5页 Journal of PLA University of Science and Technology(Natural Science Edition)
基金 国家自然科学基金资助项目(60672079) 国家863计划资助项目(2009AA01Z249) 江苏省自然科学基金资助项目(BK2007002)
关键词 无线传感器网络 叠加编码 协同传输 能效增益 WSN（wireless sensor networks） code superposition cooperative transmission energy efficiency gain
分类号 TN959.6 [电子电信—信号与信息处理]
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参考文献11

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二级参考文献11

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解放军理工大学学报（自然科学版）
2011年 第2期

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