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MRC分集接收CE-OFDM系统性能分析 被引量：1

Performance Analysis of CE-OFDM System with MRC Diversity Reception
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摘要 该文研究任意衰落参数的Nakagami-m信道上采用最大比合并分集接收的恒包络正交频分复用系统的误码性能。采用矩生成函数方法,推导矩形M进制正交幅度调制的恒包络正交频分复用系统的平均误比特率下界的解析表达式。仿真表明在大信道衰落参数、小相位调制系数和高信噪比时下界与平均误比特率非常吻合。数值计算和仿真结果均阐明接收天线数目、信道衰落参数与相位调制系数对分集接收恒包络正交频分复用系统误码性能影响。 In this paper,we investigate the bit error rate（BER） performance of constant envelope orthogonal frequency-division multiple（CE-OFDM） system with maximum ratio combining diversity reception in Nakagami-fading channels with arbitrary fading index.Using the moment generating function-based analysis approach,we obtain the lower bound expression of average BER for CE-OFDM systems with rectangular M-ary quadrature amplitude modulation.Simulation results show that the lower bound matchs the average BER for CE-OFDM systems very well under a large channel fading index,a small phase modulation index value and a high signal-to-noise rate.Both numerical and simulation results elaborate the effect of phase modulation index,channel fading parameter and the number of receive antennas on the BER of CE-OFDM system with diversity reception.
作者 锁光辉 李光球
机构地区 杭州电子科技大学通信工程学院
出处 《杭州电子科技大学学报（自然科学版）》 2011年第5期131-134,共4页 Journal of Hangzhou Dianzi University：Natural Sciences
关键词 恒包络正交频分复用 最大比合并 衰落信道 误比特率 constant envelope orthogonal frequency-division multiple maximum ratio combining fading channels bit error rate
分类号 TN911.3 [电子电信—通信与信息系统]
  • 相关文献

参考文献9

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共引文献19

同被引文献11

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引证文献1

杭州电子科技大学学报（自然科学版）
2011年 第5期

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