电信科学 ›› 2017, Vol. 33 ›› Issue (9): 44-49.doi: 10.11959/j.issn.1000-0801.2017242

• 研究与开发 • 上一篇    下一篇

八波束STBC-BF发射方案中天线选择技术的应用

王曼,战金龙   

  1. 西安邮电大学通信与信息工程学院,陕西 西安 710121
  • 修回日期:2017-08-01 出版日期:2017-09-01 发布日期:2017-09-11
  • 作者简介:王曼(1991-),女,西安邮电大学通信与信息工程学院硕士生,主要研究方向为宽带无线通信。|战金龙(1979-),男,西安邮电大学通信与信息工程学院副教授、硕士生导师,主要研究方向为大规模MIMO中的预编码技术、波束成形技术及信号检测技术等。
  • 基金资助:
    国家科技重大专项基金资助项目(2014ZX03003005-003);国家高技术研究发展计划(“863”计划)基金资助项目(2014AA01A705);国家自然科学基金资助项目(61501371);陕西省自然科学基金资助项目(2011JM8027)

Application of antenna selection technology in eight-beam STBC-BF transmit scheme

Man WANG,Jinlong ZHAN   

  1. School of Telecommunication and Information Engineering,Xi’an University of Posts &Telecommunications,Xi’an 710121,China
  • Revised:2017-08-01 Online:2017-09-01 Published:2017-09-11
  • Supported by:
    The National Science and Technology Major Project of China(2014ZX03003005-003);The National High Technology Research and Development Program of China (863 Program)(2014AA01A705);The National Natural Science Foundation of China(61501371);Shaanxi Provincial Natural Science Foundation of China(2011JM8027)

摘要:

提出了大规模MIMO系统空时编码结合特征波束成形(STBC-BF)方案中的天线选择技术。发射符号空时分组编码后经天线阵列加权,形成特征波束,利用天线选择技术对发射天线和接收天线进行选择,接收端采用传统译码方法进行译码。该方案既可以获得空间分集增益和阵列增益,又能减少射频链路的数目,从而降低计算复杂度。仿真结果表明了该方案的有效性。

关键词: 大规模MIMO, 波束成形, 空时编码, 天线选择

Abstract:

An antenna selection scheme of space-time block coding combined with eight-beamforming (STBC-BF) in massive MIMO system was proposed.Transmit symbols were coded by space-time block coder,then the coded symbols were weighted by antenna array form eight-beam.The antenna selection technology was used to select the transmitting antenna and the receiving antenna,traditional decoding method was performed at the receiver.The proposed scheme can not only obtain the space diversity gain and array gain,but also can reduce the computational complexity by reducing the number of the RF links.Simulation results confirm the validity of the proposed scheme.

Key words: massive MIMO, beamforming, space-time block coding, antenna selection

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