Least-Squares Multi-User CMArray: A New Algorithm for Blind Adaptive BeamformingThis paper addresses the problem of blind adaptive beamforming for the recovery of K synchronous signals incident on an M element antenna array, as would be found in a communication system rich in co-channel interference. Least-Squares Multi-user CMArray (LS-MU-CMA), a block Constant Modulus type algorithm that efficiently performs blind spatial CO-channel interference mitigation to recover up to M unique signals, is proposed. The performance of the algorithm with respect to rate of convergence and distance from optimality is analyzed with computer simulations.
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