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Iterative joint channel estimation and successive interference cancellation using a SISO-SAGE algorithm for coded CDMA

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6 Author(s)
B. Hu ; Dept. of Commun. Technol., Aalborg Univ., Denmark ; A. Kocian ; R. Piton ; A. Hviid
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In this paper we propose an extension of the space alternating generalized expectation maximization (SAGE) algorithm that accepts as input and provides as output soft information. This so-called soft-input soft-output (SISO) SAGE algorithm is applied to joint successive interference cancellation and channel estimation and combined with SISO single-user decoders in an iterative CDMA receiver. Monte Carlo simulations in flat Rayleigh fading channel show that this receiver is robust against channel estimation errors and can support a high system.

Published in:

Signals, Systems and Computers, 2004. Conference Record of the Thirty-Eighth Asilomar Conference on  (Volume:1 )

Date of Conference:

7-10 Nov. 2004