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为了解决无线通信系统中多输入多输出技术在移动终端的多天线制约问题,一种新的分集技术-协作分集技术被提出。它使得在多用户环境中,具有单根天线的移动台可以共享彼此的天线而产生一个虚拟MIMO系统,从而获得分集增益。文中介绍了协作分集的基本概念、编码协作机制,分析了编码协作机制下成对误差概率、误码率、误块率的性能,讨论了今后的研究方向。
In order to solve the multi-antenna control problem of multiple-input multiple-output (MIMO) in mobile terminals in wireless communication systems, a new diversity technique, cooperative diversity, is proposed. It enables a mobile station with a single antenna in a multi-user environment to share one another’s antennas to create a virtual MIMO system to achieve diversity gain. In this paper, the basic concepts of cooperative diversity and coding cooperation mechanism are introduced. The performance of pairwise error probability, bit error rate and block error rate under coding cooperation mechanism is analyzed. The future research directions are discussed.