基于MIMO技术的卫星高速数据传输系统研究  

Satellite High Data Rate Transmission System Research Based upon MIMO Technology

作　　者：胡晓曦[1] 

机构地区：[1]中国空间技术研究院西安分院,西安710000

出　　处：《空间电子技术》2010年第4期37-42,70,共7页Space Electronic Technology

摘　　要：多输入多输出(MIMO)系统作为提高频谱效率的一种有效方式,已经成为未来无线通信系统实现高速可靠数据传输的突破性技术之一,受到国际众多研究机构的普遍关注。文章通过研究MIMO信道模型、信道容量、卫星信道特征,构建了全新高速数传系统模型,解决了卫星大容量数据实时传输和频带限制之间的矛盾。MIMO（Multiple-Input Multiple-Output） system is an effective way to improve frequency spectrum efficiency,that has become a technical breakthrough to realize high rate reliable data transmission in the future,and attracted worldwide attention of research organizations.A novel high rate satellite data transmission system is designed by analyzing MIMO channel model,channel capacity,satellite channel character.It resolves the conflict between high data rate and bandwidth limit.

关 键 词：MIMO 频带利用率 高速数传 空分复用 空间分集 

分 类 号：TN919.1[电子电信—通信与信息系统]