Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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By J.-H. Kim, Y.-H. You, K.-I. Lee, and J.-H. Yi

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This paper suggests a pilot-less residual carrier frequency offset (CFO) estimator for ultra-wideband orthogonal frequency division multiplexing (UWB-OFDM) systems. The basic idea of our approach is based on the fact that two adjacent OFDM symbols carry the identical information in the UWB-OFDM system, thus removing the need of pilot symbols. To demonstrate the efficiency of the proposed pilot-less CFO estimator, analytical expression of the mean square error (MSE) is reported and comparisons are made with the conventional pilot-aided CFO estimator in terms of MSE and throughput.

J.-H. Kim, Y.-H. You, K.-I. Lee, and J.-H. Yi, "Pilot-less synchronization receiver for UWB-based wireless application," Progress In Electromagnetics Research, Vol. 83, 119-131, 2008.

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