Analysis of A Novel Blind Decision-Feedback Interference Cancellation Framework

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Executive Summary

Interference cancellation is one major multiuser detection strategy for suppressing interference effects and improving system performance. In this paper, a novel blind decision-feedback interference cancellation framework and its implementations with least squares, maximum likelihood and minimum mean squared error criteria are proposed and analyzed. Compared with existing blind multiuser receivers, the proposed framework and schemes require a small number of previous received signals and no subspace separation or sequence estimation. The detection complexity and delay can therefore be low.

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