Multiuser detection and turbo multiuser decoding for asynchronous multitone multiple access systems

Multiuser detection and turbo multiuser decoding for asynchronous multitone multiple access systems

We consider multicarrier multiple access architectures that are based on combining discrete multitone (DMT) or filtered multitone (FMT) modulation with multiplexing of tones across users. Communications are asynchronous, e.g., uplink cellular communications. Optimum multiuser detection is formulated...

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1. Verfasser: Tonello, A.M.
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Sprache:eng
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Channel coding
Detectors
Digital modulation
Fading
Filters
Frequency
Iterative decoding
Multiuser detection
OFDM modulation
Prototypes
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description We consider multicarrier multiple access architectures that are based on combining discrete multitone (DMT) or filtered multitone (FMT) modulation with multiplexing of tones across users. Communications are asynchronous, e.g., uplink cellular communications. Optimum multiuser detection is formulated for demodulation of multitone signals that experience time and frequency asynchronism and propagate through frequency selective fading channels. Channel coding is also considered and practical decoding based on iterative (turbo) multiuser detection and decoding is investigated. Simplified detection schemes are also devised.
doi_str_mv 10.1109/VETECF.2002.1040745
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subjects Channel coding
Detectors
Digital modulation
Fading
Filters
Frequency
Iterative decoding
Multiuser detection
OFDM modulation
Prototypes
title Multiuser detection and turbo multiuser decoding for asynchronous multitone multiple access systems
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