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Robust Joint OFDM Timing and Frequency Offset Estimator
Suckchel YANG Yoan SHIN
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/11/01
Print ISSN: 0916-8508
Type of Manuscript: Special Section LETTER (Special Section on Wide Band Systems)
OFDM, symbol timing offset, fractional frequency offset, timing metric, preamble, multipath fading channel, PN code,
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A robust joint symbol timing and fractional frequency offset estimator for OFDM systems in multipath fading channels is proposed based on cyclic shifting and autocorrelation properties of PN codes. A new timing metric is also introduced by considering the delay spread to improve the robustness of the estimator in the multipath fading channels.