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In this article, the least square constant modulus algorithm (LSCMA) is combined with the subspace approach and a LSCM_SUB (Subspace) blind adaptive multiuser detection in multipath code division multiple access (CDMA) channels is presented. The poor performance of LSCMA in the low signal to noise ratio (SNR) is improved by the LSCM_SUB algorithm. The performance of the proposed LSCM_SUB algorithm...
A pre-processing blind multiuser detection algorithm based on the least squares constant modulus (P-LSCMA) in antenna array system is proposed in this paper. At first, the signals received from every antenna are used to correlate with the conjugation of the DOA vector of the expected user, and then, the pre-processed signals are applied to the LSCMA. We simulated and compared the proposed algorithm...
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