无线网络通信协同分集技术研究

Study on Cooperative Diversity Technology in Wireless Communication

多径传输对信道引起的衰落影响可以通过分集技术来解决。目前的研究热点主要是多用户协同实现空间分集技术,即协同分集技术。对3种协同分集技术,即放大前传协同分集技术、解码前传协同分集技术、编码前传协同分集技术进行了优缺点对比研究,并对这3种协同分集技术进行了性能分析。

Impact of signal fading arising from multipath propagation can be resolved by diversity.Multi-user cooperative implementing space cooperation diversity scheme,i.e.,cooperation diversity scheme was the hot spot at present.In this paper,three cooperation diversity schemes,such as AF（Amplify-and-Forward） cooperation scheme,DF（Decode-and-Forward） cooperation scheme,and CC（Coded Cooperation） scheme was studied together,and performance analysis was also discussed.