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This article addresses the problem of estimation of the carrier frequency offset (CFO) and the residual CFO(or phase noise) compensation in the proposed MIMO-OFDM based IEEE802.11n system. Due to the training sequence in the preamble and the pilot design in the data field, we can estimate the CFO and mitigate the phase error conveniently. With the maximum CFO (40 ppm) requirement specified by the...
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