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Single carrier (SC) code division multiple access (CDMA) with block transmission has been shown to be more effective while utilising a low-complexity equaliser to combat frequency-selective fading channels, when compared with conventional direct sequence CDMA technology. It also has lower peak-to-average power ratio and lower frequency sensitivity compared with multicarrier CDMA. The authors propose...
In this paper, we propose the application of two blind channel estimation algorithms namely the subspace approach and the autocorrelation contribution method (ACM) algorithm for multiple input multiple output (MIMO) single-carrier CDMA (SC-CDMA) block transmission systems in the quasi- synchronous uplink scenario. Using only second order statistics, the ACM approach shows similar performance to that...
In this paper, we investigate blind channel estimation for multiple input multiple output (MIMO) multi-carrier CDMA (MC-CDMA) systems in the uplink scenario. An autocorrelation contribution matrix (ACM) method is proposed in comparison with the subspace approach. Using only second order statistics, the ACM approach shows similar performance to that of subspace based approach. The added advantage is...
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