Exact symbol error probability of a Cooperative network in a Rayleigh-fading environment
Exact symbol error probability of a Cooperative network in a Rayleigh-fading environment
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DOI：
10.1109/twc.2004.833431
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发表时间：
2004-09
影响因子：
10.4
通讯作者：
P. Anghel;M. Kaveh
中科院分区：
文献类型：
--
作者：
P. Anghel;M. Kaveh
在分布式空间分集无线系统中，并非所有天线都像在经典发射分集系统中那样位于一个站，而是分散在网络中的不同的、可能是移动的站。当选定的站通过将其信息信号中继到目的地来帮助发送者时，就产生了发射分集。在这封信中，我们提出了一个精确的平均误码率分析的分布式空间分集无线系统中的K放大中继在瑞利衰落环境。平均误符号率公式使我们能够清楚地说明分布式分集系统在克服瑞利衰落引起的信噪比的严重惩罚方面的优势。使用简单的错误概率的界限，我们表明，在这封信中提出的合作网络实现全分集阶。
In a distributed spatial diversity wireless system, not all antennas are located at one station as in classical transmit diversity systems, but are dispersed at different, possibly mobile, stations in the network. Transmit diversity is created when the selected stations assist a sender by relaying its information signal to the destination. In this letter, we present an exact average symbol error rate analysis for the distributed spatial diversity wireless system with K amplifying relays in a Rayleigh-fading environment. The average symbol error rate formula allows us to clearly illustrate the advantage that the distributed diversity system has in overcoming the severe penalty in signal-to-noise ratio caused by Rayleigh fading. Using simple bounds on the probability of error, we show that the cooperative network presented in this letter achieves full diversity order.