其次，讨论了两跳单中继多载波协同通信系统的信道估计的问题，主要是基于辅助块状导频的方法；

Second, channel estimation algorithms of two-hop OFDM cooperative communication system with single relay are discussed, which are mainly based on block pilot.

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本文主要围绕协同通信中的协同节点(中继节点)的选择问题进行了研究，主要分析了系统的误码率。

This thesis focus on how to selection collaborative communication nodes (relay nodes) carried out researching, and focus on the analysis of the BER.

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采用时分方式，将车间通信网络中两个邻近的中继车辆通过无线协同通道信息交互后形成了一对虚拟天线阵。

Considering TDMA scheme, two nearbour vehicles are conjoined by an interaction radio link to create a Virtual Antenna Array(VAA).

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