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Method of robust timing detection and carrier frequency offset estimation for OFDM systems
Method of robust timing detection and carrier frequency offset estimation for OFDM systems
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机译:OFDM系统的鲁棒定时检测和载波频偏估计方法
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摘要
A symbol detector for an OFDM receiver determines the correlation of corresponding samples of at least two received preamble symbol samples, one of the samples delayed a predetermined duration with respect to the other; determines a timing metric based on the correlation results; detects multiple peaks in the timing metric; indicates a symbol detection based on the multiple peaks detected in the timing metric; and gets a refined CFO estimation using averaging the phase information across these multiple peaks.
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