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Staggered multitone (SMT) modulation scheme has received a considerable attention recently due to its higher spectral efficiency compared to the conventional OFDM systems and robustness to frequency offset and Doppler spread. However, channel equalization in SMT is complicated by the so called intrinsic interference as a result of non-flat channel response in each subchannel. In the presence of I/Q...
This paper proposes a minimum mean square error (MMSE)-based algorithm for semi-blind estimation of a complex fading channel matrix. By approximating the channel product matrices to channel autocorrelation matrix, which is gained from the covariance matrix of the received data, a novel semi-blind algorithm named MMVE (MMSE to EVD technique) is rebuilt. The eigenvalue-eigenvector decomposition (EVD)...
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