An iterative list-based multiuser detector for overloaded receivers in a rayleigh fading channel

Authors:
Michael Krause;Desmond P. Taylor;Philippa A. Martin
Affiliations:
Department of Electrical and Computer Engineering, University of Canterbury, Christchurch, New Zealand;Department of Electrical and Computer Engineering, University of Canterbury, Christchurch, New Zealand;Department of Electrical and Computer Engineering, University of Canterbury, Christchurch, New Zealand
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

Citing 4
Cited 0

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A unified approach to list-based multiuser detection in overloaded receivers

EURASIP Journal on Wireless Communications and Networking - Theory and Applications in Multiuser/Multiterminal Communications
An iterative groupwise multiuser detector for overloaded MIMO applications

IEEE Transactions on Wireless Communications
Overloaded array processing with spatially reduced search joint detection

IEEE Journal on Selected Areas in Communications

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Abstract

We consider a wireless communication system where multiple co-channel users transmit data via a synchronous, frequency-flat Rayleigh fading channel. The receiver employs an antenna array. The paper develops an iterative list multiuser detector for overloaded applications where the number of transmitted signals exceeds the number of receive antennas. The receiver uses a linear preprocessor to reduce co-channel interference followed by a multiuser detector with an iterative groupwise symbol detection algorithm that extracts a list of the most likely user symbols. Simulation results show that the proposed detector provides good complexity-performance trade offs.