Detection-aided recursive least squares adaptive multiuser detection in DS/CDMA

@article{Thanh2002DetectionaidedRL,
  title={Detection-aided recursive least squares adaptive multiuser detection in DS/CDMA},
  author={B. N. Thanh and V. Krishnamurthy and R. J. Evans},
  journal={IEEE Signal Processing Letters},
  year={2002},
  volume={9},
  pages={229-232}
}
This letter develops a sequential composite hypotheses test for detecting failure of a decision-directed recursive least square (RLS) adaptive multiuser detector (MUD) and convergence of a blind RLS (BLRS) MUD when used in the downlink of direct-sequence/code division multiple access (DS/CDMA) systems. Simulations are provided to demonstrate the effectiveness of the test and to characterize the SIR improvement achievable in a dynamic environment where the number of interferers is time-varying. 

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