智能天线及其在TD-LTE中的应用

被引:15
作者
刘光毅
张勇
姜大洁
王启星
机构
[1] 中国移动通信研究院
关键词
TD-LTE; 信道互易性; 智能天线;
D O I
暂无
中图分类号
TN821.91 [];
学科分类号
080904 ;
摘要
智能天线在基站进行各天线间的相干发送,实现信号的定向发送,可以提高信号的强度和覆盖,从而提升系统的整体性能。对于TDD系统,由于上下行信道共享同一发送频率,在相干时间内,可以认为上下行链路的信道互易,即信道经历相同的衰落。TDD系统可以利用上下行信道的互易性,采用智能天线技术对LTE-A的整体性能进行增强。本文介绍智能天线技术在TD-LTE系统中的应用及其性能。
引用
收藏
页码:67 / 71
页数:5
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