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We investigate simplified, yet mismatched, receivers for SC-FDMA MIMO transmission currently employed in the 3GPP LTE-Advanced uplink. The receivers are based on frequency domain equalization and time domain detection. Rates achievable by those mismatched receivers with arbitrary input alphabets are derived in terms of generalized mutual information. The results allow to compare the impact of certain...
Two techniques for channel estimation and co-channel interference rejection are presented for the multiple-input, multiple-output (MIMO) uplink in the Long Term Evolution-Advanced (LTE-Advanced) system. The first technique consists of estimating the desired users' channels in the frequency domain (FD) before estimating interference covariance matrices for interference rejection. In the second technique,...
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