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An improved blind adaptive MMSE receiver for fast fading DS-CDMA channels

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2 Author(s)
Wanshi Chen ; Ericsson Wireless Commun., San Diego, CA, USA ; Mitra, U.

In this paper, an improved correlation matrix estimation scheme for blind adaptive MMSE receivers is provided. The new scheme takes advantage of the fact that the desired linear receiver can be expressed as a function of the interference correlation matrix only, rather than the total data correlation matrix. A theoretical analysis is performed for the flat fading case which predicts that the new estimation scheme will result in significant performance improvement. Blind adaptive MMSE receivers with the new estimation scheme appear to achieve performance comparable to the training-sequence based adaptive MMSE receivers. Detailed computer simulations for the fast multipath fading environment verify that the proposed scheme yields strong performance gain over previous methods

Published in:

Global Telecommunications Conference, 2001. GLOBECOM '01. IEEE  (Volume:2 )

Date of Conference:

2001