非理想反馈链路下的发送天线选择系统性能分析

被引：3

作者：

陈明

朱近康

机构：

[1] 中国科学技术大学个人通信与扩频实验室

来源：

电子与信息学报 | 2007年 / 02期

基金：

国家自然科学基金重大项目;

关键词：

发送天线选择; 正交空时分组码; 非理想反馈; 符号差错概率; 发送分集度;

D O I：

暂无

中图分类号：

TN919.72 [无线数据通信];

学科分类号：

0810 ; 081001 ;

摘要：

该文提出了一种近似分析的方法,得到了非理想反馈链路下的发送天线选择(Transmit Antenna Selection,TAS)系统的符号差错概率(Symbol Error Probability,SEP)。这种近似的方法适用于采用任意正交空时分组码的TAS系统,并且对于发送端选择两天线的系统还给出了SEP的显式表达式。该文研究表明TAS系统的发送分集度由所选天线子集中最大的矩幅序号决定。蒙特卡罗仿真验证了当信噪比较高时,由该文近似方法得到的系统SEP和理论上的SEP非常吻合。

引用

页码：296 / 300

页数：5

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