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异步双卫星MIMO系统中的空时编码方案

赵旦峰 王杨 廖希

赵旦峰, 王杨, 廖希等 . 异步双卫星MIMO系统中的空时编码方案[J]. 北京航空航天大学学报, 2014, 40(9): 1165-1169. doi: 10.13700/j.bh.1001-5965.2013.0602
引用本文: 赵旦峰, 王杨, 廖希等 . 异步双卫星MIMO系统中的空时编码方案[J]. 北京航空航天大学学报, 2014, 40(9): 1165-1169. doi: 10.13700/j.bh.1001-5965.2013.0602
Zhao Danfeng, Wang Yang, Liao Xiet al. Space-time coding in asynchronous dual-satellite MIMO systems[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(9): 1165-1169. doi: 10.13700/j.bh.1001-5965.2013.0602(in Chinese)
Citation: Zhao Danfeng, Wang Yang, Liao Xiet al. Space-time coding in asynchronous dual-satellite MIMO systems[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(9): 1165-1169. doi: 10.13700/j.bh.1001-5965.2013.0602(in Chinese)

异步双卫星MIMO系统中的空时编码方案

doi: 10.13700/j.bh.1001-5965.2013.0602
基金项目: 中国博士后自然科学基金资助项目(2011M500640)
详细信息
    作者简介:

    赵旦峰(1961-),男,湖南湘潭人,教授,hongjianzyx@126.com.

  • 中图分类号: TN927.2

Space-time coding in asynchronous dual-satellite MIMO systems

  • 摘要: 双卫星多输入多输出(MIMO,Multiple-Input Multiple-Output)系统中不同路径间传播时延的差异会造成接收信号不同步。针对该系统中接收信号不同步问题,提出一种时间反转全码率全分集空时编码方案。该方案中对发送的符号序列进行空时编码后,利用交织改变符号向量发送的时间顺序并对发送数据进行分组。将其中一组数据进行时间反转并插入保护间隔,使接收机在信号不同步的情况下仍然能够获得全码率和全分集增益,同时保留低复杂度最优译码算法的适用性。仿真结果表明,与传统方案相比,提出的空时编码方案能够获得最优的性能。另外,系统采用高阶调制方式或信道条件较差时,该方案的性能增益更大。

     

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出版历程
  • 收稿日期:  2013-10-22
  • 网络出版日期:  2014-09-20

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