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Efficient MIMO equalization for downlink multi-code CDMA: complexity optimization and comparative study
In this paper, we present an efficient LMMSE chip equalizer to suppress the interference caused by the multipath fading channel in the MIMO multi-code CDMA downlink. The block-Toeplitz structure in the correlation matrix ...
An Efficient Circulant MIMO Equalizer for CDMA Downlink: Algorithm and VLSI Architecture
In this paper, we present an efficient circulant approximation based MIMO equalizer architecture for the CDMA downlink. This reduces the Direct-Matrix-Inverse (DMI) of size (NF x NF) with O((NF)³) complexity to some ...