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Iterative joint channel estimation and successive interference cancellation using a SISO-SAGE algorithm for coded CDMA
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- Hu, Bin (author)
- Aalborg University, Denmark
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- Kocian, Alexander (author)
- Aalborg University, Denmark
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- Piton, Romain (author)
- Aalborg University, Denmark
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- (creator_code:org_t)
- 2004
- 2004
- English.
- In: ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS. - 0780386221 ; , s. 622-626
- Conference paper (peer-reviewed)
Abstract
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- n 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 load.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
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