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User selection criteria for multiuser systems with optimal and suboptimal LR based detectors

journal contribution
posted on 2010-10-01, 00:00 authored by Jinho ChoiJinho Choi, F Adachi
In this correspondence, we investigate user selection criteria for various multiple input multiple output (MIMO) detectors to exploit the multiuser diversity. Different user selection criteria are derived for various MIMO detectors, including the maximum likelihood (ML) detector and low complexity suboptimal detectors. It is shown that the user selection criterion plays a crucial role in exploiting both multiuser and receive (or spatial) diversity. We also show that the ML and even some low complexity suboptimal detectors (based on the lattice reduction (LR)) can achieve a full multiuser and receive diversity when the user selection criterion is properly chosen.

History

Journal

IEEE transactions on signal processing

Volume

58

Pagination

5463-5468

Location

Piscataway, N.J.

ISSN

1053-587X

eISSN

1941-0476

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

2010, IEEE

Issue

10

Publisher

Institute of Electrical and Electronics Engineers

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