摘要:该文提出了一种OFDM时频捕获的联合算法:利用周期前缀的相关性实现符号粗同步和小数频偏的纠正,并在帧头符号插入差分导频可同时完成帧同步和整数频偏估计。在中短波信道的仿真结果验证了该算法的准确性和实用性。
关键词:正交频分复用 同步 符号同步 帧同步 频率同步
单位:东南大学无线电工程系; 南京210096
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