quotation:		[Copy]
		[Copy]

This Paper:Browse 3874 Download 122
协同通信系统中差分调制在Rayleigh衰落信道中的误码性能分析
范章君,郭道省,张邦宁,曾理
0 Fontlarge +\|Default\|Small
(解放军理工大学通信工程学院，南京 210007;解放军理工大学指挥自动化学院，南京 200433)

摘要:

根据源-中继-目的节点链路的等效信噪比模型，推导了检测传送和选择检测传送两种协议下目的节点瞬时信噪比的概率密度函数和特征函数，基于此推导了协同DMPSK调制近似误符号率的闭合表达式。推导结果不含积分表达式，方便计算，为系统设计和功率分配提供了理论基础。最后通过仿真验证了推导结果的正确性。

关键词: 协同通信差分调制检测传送选择检测传送误符号率

DOI：

基金项目:

SER performance analysis of differential modulation over Rayleigh fading channels in cooperative communication systems

FAN Zhang-jun,GUO Dao-xing,ZHANG Bang-ning,ZENG Li

()

Abstract:

Based on the equivalent signaltonoise ratio(SNR) model，this paper a nalyses the symbol error rate(SER) performance of cooperative DMPSK modulation i n the detectandforward and relay selection detectandforward schemes thro ugh the derivation of probability density function and characteristic function of instantaneous SNR. The derived results without integral expressions are easy to calculate, which provides benchmark for system design and power allocation. C omp uter simulation validates the expressions.

Key words: cooperative communication differential modulation detect and forward select ion detect and forward symbol error rate(SER)