摘要
协作通信解决了普通单天线移动终端的空间分集问题,使单天线移动终端在多用户环境中可共享其他终端的天线,从而得到多天线分集增益,改善了移动通信系统的性能。本文从协作通信的概念和原理出发,提出了一种基于协作通信的虚拟多天线(VAA)TD-SCDMA系统,探讨了该系统中各层的实现和面临的挑战。
Cooperative communication techniques settle the diversity problem of single-antenna mobiles. The technique enables single-antenna mobiles in a multi-user environment to share their antennas and generate virtual antenna arrays that allows them to achieve transmit diversity.So the performance of mobile communication system can also be proved by this scheme.In this paper the concept and principle of cooperative communication was introduced, and the scheme of TD-SCDMA system based on virtual antenna arrays was proposed. The realization of each floor in the system was discussed. Finally, the challenges of the system were explored.
出处
《电信科学》
北大核心
2006年第7期47-51,共5页
Telecommunications Science
