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面向下行多天线传输的能效最优上行训练

刘鑫 韩圣千 徐志昆 杨晨阳

刘鑫, 韩圣千, 徐志昆, 等 . 面向下行多天线传输的能效最优上行训练[J]. 北京航空航天大学学报, 2013, (6): 841-846.
引用本文: 刘鑫, 韩圣千, 徐志昆, 等 . 面向下行多天线传输的能效最优上行训练[J]. 北京航空航天大学学报, 2013, (6): 841-846.
Liu Xin, Han Shengqian, Xu Zhikun, et al. Energy-efficient uplink training for downlink multi-antenna transmission[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, (6): 841-846. (in Chinese)
Citation: Liu Xin, Han Shengqian, Xu Zhikun, et al. Energy-efficient uplink training for downlink multi-antenna transmission[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, (6): 841-846. (in Chinese)

面向下行多天线传输的能效最优上行训练

基金项目: 国家自然科学基金重大国际合作资助项目(61120106002)
详细信息
  • 中图分类号: TN925

Energy-efficient uplink training for downlink multi-antenna transmission

  • 摘要: 针对时分双工(TDD,Time Division Duplex)多天线系统的下行传输,研究了以能量效率(EE,Energy Efficiency)最大为准则的上行训练设计问题.证明了存在信道估计误差时系统EE和频谱效率(SE,Spectrum Efficiency)上界是上行训练长度的凹函数,分析了信噪比和电路功耗等因素对两种准则下最优训练长度的影响.分析和仿真结果表明,当信噪比很高时,基于EE最优的设计将退化成基于SE最优的设计;而一般情况下,与最大化SE的训练设计相比,最大化EE要求系统配置更长的训练.

     

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  • 被引次数: 0
出版历程
  • 收稿日期:  2012-06-17
  • 网络出版日期:  2013-06-30

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