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相关Nakagami衰落信道下SC/MRC系统性能分析 被引量：1

Performance Analysis of SC/MRC Scheme over Correlated Nakagami Fading Channel
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摘要 多输入多输出(multiple-input multiple-output,MIMO)系统的发射端天线选择是从多根天线中选择其中信道状况最好的一根用于发射信号,可减少所需要的射频链的个数,从而降低系统的复杂度及实现成本.该文研究发射端进行天线选择、接收端采用最大比合并接收的系统在相关Nakagami衰落信道下的性能,推导出输出信噪比的分布密度函数,进而给出了精确的误比特率(BER)公式,该表达式仅包含非常简单的函数,易于计算. In a MIMO system, the transmitter antenna selection technique, which selects one antenna for transmitting, can reduce the number of required RF chains and alleviate system complexity and costs. In this paper, we analyze performance of the system that uses maximal ratio combining（MRC） at the receiver and operates over correlated Nakagami fading channels. The probability distribution density function of the output SNR is derived, and an accurate expression of bit error rate （BER） is obtained, which only includes ordinary function.
作者 李涛 王保云 田峰
机构地区 南京邮电大学通信与信息工程学院 东南大学移动通信国家重点实验室 南京邮电大学自动化学院
出处 《应用科学学报》 CAS CSCD 北大核心 2008年第5期485-488,共4页 Journal of Applied Sciences
基金 江苏省教育厅高校自然科学基金资助项目(No.05KJB510089)
关键词 多输入多输出 发射端天线选择 最大比合并接收 相关Nakagami衰落信道 误比特率 MIMO, transmitter antenna selection, receiver-maximal-ratio-combining, correlated Nakagami fading channels, BER
分类号 TN929.5 [电子电信—通信与信息系统]
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参考文献9

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同被引文献14

  • 1NAKAGAMI M. The m-distribution:a general formula of intensity distribution of rapid fading statistical methods of radio wave propagation[M].Japan:W C Hoffman,1960.
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  • 4RAHMAN M A,HARADA H. New exact closed-form PDF of the sum of Nalagami-m random variables with applications[J].IEEE Transactions on Communications,2011,(02):395-401.
  • 5KARAGIANNIDIS G K,ZOGAS D A,KOTSOPOULOS S A. BER performance of dual predetection EGC in correlative Nakagami-m fading[J].IEEE Transactions on Communications,2004,(01):50-53.
  • 6PATEL P,SAHU P R,CHATURVEDI A K. ABER of dual predetection EGC in correlated Nakagami-m fading channels with arbitrary m[J].IEEE Communications Letters,2008,(07):487-489.
  • 7KARAGIANNIDIS G K. Moments-based approach to the performance analysis of equal gain diversity in Nakagami fading[J].IEEE Transactions on Communications,2004,(05):685-690.
  • 8ZLATANOV N,HADZI-VELKOV Z,KARAGIANNIDIS G. An efficient approximation to the correlated Nakagami-m sums and its application in equal gain diversity receivers[J].IEEE Transactions on Wireless Communications,2010,(01):302-310.
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应用科学学报
2008年 第5期

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