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基于载波频偏盲补偿的MIMO OFDM系统同步算法

MIMO OFDM system synchronization algorithms based on blind compensation of carrier frequency offset
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摘要 给出了基于载波频偏盲补偿的MIMO OFDM系统同步算法:首先,将接收到的序列进行载波频偏盲补偿;然后,进行粗时间同步和载波频偏估计;最后,应用估计出的载波频偏进行载波频偏补偿,利用经过载波频偏补偿后的序列进行符号定时同步。该算法最大限度地抑制了载波频偏对符号定时同步的影响。仿真试验证明,该算法有着良好的性能。 This paper proposes synchronization algorithms of MIMO OFDM system based on Carrier Frequency Offset (CFO) blind compensation.The synchronization is accomplished sequentially by CFO blind compensation,coarse time synchronization,CFO estimation,CFO compensation and symbol-timing synchronization.The algorithms greatly mitigate the side effect of CFO to symbol-timing synchronization and have good property proved by MATLAB simulation.
出处 《计算机工程与应用》 CSCD 北大核心 2008年第12期133-135,共3页 Computer Engineering and Applications
基金 中兴研究基金
关键词 多输入多输出 正交频分复用 符号定时同步 载波频偏盲补偿 MIMO OFDM symbol-timing synchronization CFO blind compensation
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参考文献10

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