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空时码在MIMO系统下的性能比较
引用本文:潘立兵,李正权,孙峰.空时码在MIMO系统下的性能比较[J].内蒙古民族大学学报(自然科学版),2008,23(3):281-285.
作者姓名:潘立兵  李正权  孙峰
作者单位:扬州大学,信息工程学院,江苏,扬州,225009
基金项目:江苏省高校自然科学基金
摘    要:多输入多输出(MIMO)无线信道具有分集增益和空间增益,因此MIMO系统比单输入单输出(SISO)系统有更高的频谱利用率.本文分析了V—BLAST的几种经典的检测算法,并进行了仿真;仿真结果和理论分析表明:不同的天线组合和检测算法对MIMO系统的性能都有很大的影响,因此要从更全面的观点来分析空时码.

关 键 词:多输入多输出系统  分集增益  检测算法  V—BLAST

Performance Comparison of STBC Based on MIMO Channels
PAN Li-bing,LI Zheng-quan,SUN Fen.Performance Comparison of STBC Based on MIMO Channels[J].Journal of Inner Mongolia University for the Nationalities(Natural Sciences),2008,23(3):281-285.
Authors:PAN Li-bing  LI Zheng-quan  SUN Fen
Institution:PAN Li- bing, LI Zheng- quan, SUN Fen (Yangzhou University, Yangzhou 225009, China )
Abstract:Multiple Input Multiple Output (MIMO)wireless channel is characterized by multiple gains and diversity gains, so MIMO wireless communication can offer high spectrum efficiency than single input single output communication systems. Several classic detection algorithms of V - BLAST(Vertical- Bell Laboratories Layer Space- Time) are analyzed and simulated, Simulti- on results and theoretic analysis state that different antenna configurations and detection algo- rithms have large effect on the channel of MIMO, hence, providing a more complete view by ana- lyzing STC(Spaee- Time code)
Keywords:MIMO  Diversity gains  Detection algorithm  V - BLAST
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