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基于干扰对齐的高铁无线宽带接入方案
  • 摘要

    依据高速铁路信号传输的特点,提出了基于干扰对齐的高铁无线宽带接入系统。该系统车载两套双天线设备,可以同时支持两个双天线用户无线接入,而接收端可以分离有用信号与干扰信号,实现无干扰接收。在车载设备与高铁沿线基站的通信中,提出基于传输时延的干扰对齐算法及与之相适应的网络覆盖方案。该算法按照时间传输奇偶顺序将来自不同发送端的信号分离。仿真结果表明,基于干扰对齐的车内接入子系统信号传输时可以达到四个和自由度,系统误码率优于未采用干扰对齐的系统,且下行误码率的性能略优于上行;基于传输时延的干扰对齐车地回传子系统可以

  • 作者

    AN Yong-li  XIAO Yang  WANG Dong  JI Zhan-lin 

  • 作者单位

    Institute of Information Science,Beijing Jiaotong University,Beijing 100044,China;College of Information Engineering,Hebei United University,Tangshan Hebei 063009,China/Institute of Information Science,Beijing Jiaotong University,Beijing 100044,China/College of Information Engineering,Hebei United University,Tangshan Hebei 063009,China

  • 刊期

    2014年5期 ISTIC PKU

  • 关键词

    宽带接入  干扰对齐  高速铁路  误码率  broadband accessing  interference alignment  high-speed railway  BER 

参考文献
  • [1] 章嘉懿,谈振辉,于晓溪,王海波,张令文. 高速铁路公众宽带通信接入体制与关键技术综述. 铁道学报, 2012,1
  • [2] 凌宇. 高速铁路3G网络覆盖与优化研究. 中山大学, 2010
  • [3] 安永丽,肖扬. 基于干扰对准的LTE上行虚拟MIMO系统. 北京交通大学学报, 2011,5
  • [4] 钟章队;艾渤;刘秋妍. 铁路数字移动通信系统(GSM-R)应用基础理论. {H}北京:清华大学出版社, 2009
  • [5] BERNIK I;KLEINBOCK D;MARGULIS G. Khintchine-type theorems on manifolds:the convergence case for standard and multiplicative versions. {H}INTERNATIONAL MATHEMATICS RESEARCH NOTICES, 2001,09
  • [6] CADAMBE V;JAFAR S. Interference alignment and the degrees of freedom of wireless X networks. {H}IEEE Transactions on Information Theory, 2009,09
  • [7] CADAMBE V R;JAFAR S A. Degrees of freedom of wireless networks with relays,feedback,cooperation and full duplex operation. {H}IEEE Transactions on Information Theory, 2009,05
  • [8] JAFAR S;FAKHEREDDIN M. Degrees of freedom for the MIMO interference channel. {H}IEEE Transactions on Information Theory, 2007,07
  • [9] GOLLAKOTA S;PERLI S D;KATABI D. Interference alignment and cancellation. {H}New York:ACM Press, 2009
  • [10] CADAMBE V R;JAFAR S A. Degrees of freedom of wireless networks-what a difference delay makes. 2007
  • [11] TRESCH R;GUILLAUD M;RIEGLER E. On the achievability of interference alignment in the K-user constant MIMO interference channel. 2009
  • [12] CADAMBE V;JAFAR S. Interference alignment and degrees of freedom of the K-user interference channel. {H}IEEE Transactions on Information Theory, 2008,08
  • [13] AN Yong-li;XIAO Yang;QU Guang-zhi. Multi-source cooperative MIMO cognitive network based on distributed interference alignment. 2011
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