Performance analysis of the LMS blind minimum-output-energy CDMA detector
Gong, Y., Lim, T. J. and Farhang-Boroujeny, B. (2000) Performance analysis of the LMS blind minimum-output-energy CDMA detector. In: IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP '00), 5-9 Jun 2000, Istanbul, Turkey, pp. 2473-2476.
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To link to this item DOI: 10.1109/ICASSP.2000.860936
Adaptive filters used in code division multiple access (CDMA) receivers to counter interference have been formulated both with and without the assumption of training symbols being transmitted. They are known as training-based and blind detectors respectively. We show that the convergence behaviour of the blind minimum-output-energy (MOE) detector can be quite easily derived, unlike what was implied by the procedure outlined in a previous paper. The simplification results from the observation that the correlation matrix determining convergence performance can be made symmetric, after which many standard results from the literature on least mean square (LMS) filters apply immediately.