基于OFDM定时捕获的分布式天线位置设计
Application of Electronic Technique(2011)
Abstract
在线形小区中,基站的两分布式接收天线接收来自单天线移动台的发射信号。基于OFDM定时捕获,提出利用最小最大准则进行线形小区中两分布式天线的最优位置设计。根据最小最大准则,最优天线位置根据最坏捕获情况最小化得到。仿真结果表明,当移动台位置在线形小区中均匀分布时,两分布式接收天线应根据线形小区中心对称放置。
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Key words
antenna location design,distributed antenna systems(DAS),timing acquisition,orthogonal frequency division multiplexing(OFDM)
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