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基于分布式天线的全双工中继系统最大化和速率波束成形设计

徐霄飞 陈翔 赵明 周世东 王京

徐霄飞, 陈翔, 赵明, 周世东, 王京. 基于分布式天线的全双工中继系统最大化和速率波束成形设计[J]. 电子与信息学报, 2015, 37(11): 2657-2663. doi: 10.11999/JEIT150450
引用本文: 徐霄飞, 陈翔, 赵明, 周世东, 王京. 基于分布式天线的全双工中继系统最大化和速率波束成形设计[J]. 电子与信息学报, 2015, 37(11): 2657-2663. doi: 10.11999/JEIT150450
Xu Xiao-fei, Chen Xiang, Zhao Ming, Zhou Shi-dong, Wang Jing. Sum-rate Maximizing Beamforming Design for Distributed-antenna Based Full-duplex Relay Systems[J]. Journal of Electronics & Information Technology, 2015, 37(11): 2657-2663. doi: 10.11999/JEIT150450
Citation: Xu Xiao-fei, Chen Xiang, Zhao Ming, Zhou Shi-dong, Wang Jing. Sum-rate Maximizing Beamforming Design for Distributed-antenna Based Full-duplex Relay Systems[J]. Journal of Electronics & Information Technology, 2015, 37(11): 2657-2663. doi: 10.11999/JEIT150450

基于分布式天线的全双工中继系统最大化和速率波束成形设计

doi: 10.11999/JEIT150450
基金项目: 

国家973计划项目(2012CB316002),国家863计划项目(2014AA01 A707),国家重大专项(2014ZX03003003-002),国家自然科学基金(61201192)和华为科研合作

Sum-rate Maximizing Beamforming Design for Distributed-antenna Based Full-duplex Relay Systems

Funds: 

The National 973 Program of China (2012CB 316002)

  • 摘要: 基于分布式天线的全双工中继系统结合了全双工中继两跳同时同频传输的能力和分布式天线高效覆盖的特性,为提升小区边缘和严重阴影衰落区域的频谱效率提供了一种有效途径。在自干扰抵消非理想的多用户场景下,利用分布式多天线波束成形可实现对系统中自干扰和多用户干扰的联合抑制。为此,该文首先建立了在各分布式天线节点独立发射功率约束下最大化多用户端到端和速率的最优化系统模型,进而提出一种双层迭代算法,解决原问题的非凸性求解难题。仿真结果验证了算法的有效性,表明在多用户分布式天线全双工中继系统中,所提波束成形设计能够有效抑制自干扰和多用户干扰,显著提高系统频谱效率。
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出版历程
  • 收稿日期:  2015-04-20
  • 修回日期:  2015-07-08
  • 刊出日期:  2015-11-19

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