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山东大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (4): 84-90.doi: 10.6040/j.issn.1672-3961.0.2014.255

• 信息科学与工程 • 上一篇    下一篇

TAS/SEC系统在N-Nakagami信道下的性能分析

徐凌伟1, 张浩1,2, GULLIVER T A2   

  1. 1. 中国海洋大学信息科学与工程学院, 山东 青岛 266100;
    2. 维多利亚大学电子与计算机工程学院, 不列颠哥伦比亚 维多利亚 V8W 2Y2
  • 收稿日期:2014-09-15 修回日期:2015-05-06 出版日期:2015-08-20 发布日期:2014-09-15
  • 通讯作者: 张浩(1975-),男,江苏连云港人,教授,博士,主要研究方向为MIMO无线通信,超宽带通信.E-mail:zhanghao@ouc.edu.cn E-mail:zhanghao@ouc.edu.cn
  • 作者简介:徐凌伟(1987-),男,山东高密人,博士研究生,主要研究方向为MIMO无线通信.E-mail:gaomilaojia2009@163.com
  • 基金资助:
    国家自然科学基金资助项目(61301139, 61304222) ;山东省自然科学基金资助项目(ZR2012FQ021);青岛市国际科技合作资助项目(12-1-4-137-hz)

Performance analysis of TAS/SEC system under N-Nakagami fading channels

XU Lingwei1, ZHANG Hao1,2, GULLIVER T A2   

  1. 1. College of Information Science and Engineering, Ocean University of China, Qingdao 266100, Shandong, China;
    2. College of Electrical and Computer Engineering, University of Victoria, Victoria V8W 2Y2, British Columbia, Canada
  • Received:2014-09-15 Revised:2015-05-06 Online:2015-08-20 Published:2014-09-15

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摘要： 为了降低移动设备的硬件复杂度,提出了一种基于发射天线选择和切换检测合并的传输机制。利用信噪比的概率密度函数,分别生成了相移键控调制、正交幅度调制、脉冲幅度调制的矩生成函数,将其进行积分,得到了平均符号误码率的精确表达式。将信噪比的概率密度函数进行积分,得到了中断概率的闭合表达式。仿真结果表明,系统的性能可以通过增加发射/接收天线数和衰弱系数、减小衰弱因子来改善。

关键词: 发射天线选择, 平均符号误码率, 中断概率, 切换检测合并, N-Nakagami信道

Abstract: In order to reduce hardware complexity of mobile devices, a new transmission scheme was proposed based on transmit antenna selection and switch-and-examine combining. The probability density function of the signal-to-noise ratio was used to generate the moment generating functions for phase shift keying modulation, quadrature amplitude modulation, and pulse amplitude modulation. By integrating the moment generating functions, the exact average symbol error probability expressions were derived. The exact closed-form outage probability expressions were also derived by integrating the probability density function of the signal-to-noise ratio. The simulation results showed that the system performance was improved with the transmitting/receiving antennas and the fading coefficient increased, while the fading factor decreased.

Key words: switch-and-examine combing, outage probability, transmit antenna selection, N-Nakagami fading channels, average symbol error probability

中图分类号: 

  • TN929.5
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