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MMSE precoder for unitary space–time codes in correlated time-varying channels

journal contribution
posted on 2005-08-01, 00:00 authored by V Nguyen, Yong XiangYong Xiang
This letter addresses the problem of the design of a precoder for multiple transmit antenna communication systems with spatially and temporally correlated fading channels. By using the asymptotic (high signal-to-noise ratio) mean-square error of the channel estimates, the letter derives a precoder for unitary space-time codes that can exploit the spatiotemporal correlation in the time-varying fading channels. Simulation results illustrate that significant performance gains can be achieved by using the new precoder.

History

Journal

IEEE signal processing letters

Volume

12

Issue

8

Pagination

569 - 572

Publisher

IEEE Signal Processing Society

Location

New York, N.Y.

ISSN

1070-9908

eISSN

1558-2361

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2005, IEEE