Liu Junhao

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A special pilot pattern across two OFDM symbols is devised for channel estimation in OFDM systems with IQ imbalance at receiver. Based on this pilot pattern, a high-efficiency time-domain (TD) least square (LS) channel estimator is proposed to suppress channel noise by a factor of N/(L+1) in comparison with the frequency-domain LS one in [1] where N and L+1(More)
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