无线通信系统中的空时编码技术

Space-Time Coding Technology in Wireless Communication System

基于MIMO天线系统的空时编码技术是改善无线通信性能、提高带限系统数据速率的一种理想选择,目前已经成为通信研究的新热点.本文首先阐述了空时编码技术的发展过程及发展背景,接着从空时编码设计的基本原则出发,系统的介绍了空时编码的分类情况,并对各种空时编码的设计思想、自身的优缺点和需要进一步研究的方向进行了具体的分析,最后对空时编码技术进行了总结,概括出了当前空时编码主要的研究热点,并对空时编码技术的发展进行了展望.

The technique of space-time coding and multiple input multiple output is an ideal candidate for improving wireless communication performance increasing data rates in systems with bandwidth constraints.It has received considerable attention.In the first place,This paper summarizes the development and background of space –time coding technology.In the second place,the paper classifies Space-Time Coding technology from the basic principal of space-time coding design in a systemic way and It also analyzes design-thought,characteristic,directions needing further research for each kind of STC.At last,the paper gives a summary of Space-Time Coding Technology,sums up the hot-points of STC research and forecasts the development of STC in the future.