峰值门限脉冲熄灭OFDM接收机符号差错概率  

Symbol error probability of an OFDM receiver with pulse blanking based on the peak value threshold

作　　者：刘海涛[1] 丛婉[1] 尹志胜[1] 李冬霞[1] 

机构地区：[1]中国民航大学天津市智能信号与图像处理重点实验室,天津300300

出　　处：《西安电子科技大学学报》2017年第1期125-129,164,共6页Journal of Xidian University

基　　金：国家重点研发计划资助项目(2016YFB0502402)

摘　　要：为评估峰值门限脉冲熄灭对正交频分复用接收机链路传输可靠性的影响,在频率选择性衰落信道环境下,分析给出峰值门限脉冲熄灭正交频分复用接收机解调器输出信噪比的计算方法,并以此为基础给出峰值门限脉冲熄灭正交频分复用接收机符号差错概率的计算公式.仿真结果表明,理论分析结果与计算机仿真结果完全一致,验证了理论分析结果的正确性.Pulse blanking based on the peak value threshold is a widely used method to eliminate impulsive interference in the orthogonal frequency division multiplexing （OFDM） receiver. To assess the impact of pulse blanking on the link transmission reliability of the OFDM receiver, the analytical expression for the signal-to-noise ratio （SNR） of the OFDM receiver with pulse blanking based on the peak value threshold is derived in the frequency selective fading channel. According to this analysis, the calculation method for symbol error probability is given in this paper. Computer simulation indicates that theory accords with simulation and validates the accuracy of theoretical analysis.

关 键 词：正交频分复用 脉冲熄灭 峰值门限 输出信噪比 符号差错概率 

分 类 号：TN929.5[电子电信—通信与信息系统]