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Blind multiuser detector can efficiently suppress multiple access interference (MAI) in code-division multiple access (CDMA) system, with prior knowledge of only the signature sequence and timing of the desired user. For the Tikhonov blind multiuser detector, theoretical performance analysis has not been given, which is more convincing. We gave analytical performance in this paper, with the output...
In code-division multiple-access (CDMA) system, ill-conditioning of the covariance matrix of the received signal may degrade the performance of minimum mean-squared error (MMSE) detector, especially when signal-to-noise ratio (SNR) is high and small data sets are available for covariance matrix estimation. In order to mitigate the performance degradation, we propose a blind multiuser detection method...
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