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Subspace-based channel impulse response (CIR) estimators have been proposed for multi carrier code division multiple access (MC-CDMA) systems. Channel identifiability conditions have been formulated for blind (non-data-aided) CIR estimators. These identifiability conditions require the channel filtering matrix to satisfy certain rank conditions. In this paper, the generalized uplink MC-CDMA system...
Block Iterative - generalized decision feedback equalizer (BI-GDFE) is an iterative receiver using previously made hard decisions to cancel out the multiple access interference (MAI) and inter-symbol interference (ISI). In this paper, we formulate the BI-GDFE for downlink multi-carrier code division multiple access (MC-CDMA) system under time varying channel conditions. The time varying coefficients...
The multi-input multi-output channel model has been widely considered for next generation multimedia wireless communication systems. In this paper, we consider the problem of joint channel estimation and data detection for MIMO systems under quasi-static channels with known and unknown spatially correlated noise. We propose two computationally efficient iterative receivers based on space-alternating...
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