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首页> 外文会议>European Signal Processing Conference(EUSIPCO 2005); 20050904-08; Antalya(TK) >Frequency Offset Estimation Based on Phase Offsets Between Sample Correlations
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Frequency Offset Estimation Based on Phase Offsets Between Sample Correlations

机译：基于样本相关之间的相位偏移的频率偏移估计

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摘要

This paper deals with frequency offset estimation algorithms that exploit sample correlations of the examined sequence as described in [1], [2], While previous work has only considered the phase offsets between succeeding correlation values, we want to demonstrate that it is possible to obtain better results by considering phase offsets between more correlation lags. The improvement is especially notable for low signal-to-noise ratios (SNR). Further, we will show, that it is possible to either improve performance, by restricting the estimation range (with no additional complexity) or by using more complex algorithms without having to sacrifice estimation range.
机译：本文讨论了频率偏移估计算法，该算法利用[1]，[2]中描述的被检序列的样本相关性。虽然先前的工作仅考虑了后续相关值之间的相位偏移，但我们想证明有可能通过考虑更多相关滞后之间的相位偏移来获得更好的结果。对于低信噪比（SNR）而言，这种改进尤其显着。此外，我们将表明，有可能通过限制估计范围（没有额外的复杂性）来提高性能，或者通过使用更复杂的算法而不必牺牲估计范围。

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