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Statistical eigen-beamforming with selection diversity for spatially correlated OFDM downlink

journal contribution
posted on 2007-09-01, 00:00 authored by Jinho ChoiJinho Choi, S R Kim, I K Choi
Statistical eigen-beamforming is shown to be effective over a spatially correlated fading channel. In the paper, we investigate the use of the statistical eigen-beamforming with short-term selection for an orthogonal frequency-division multiplexing (OFDM) downlink. The contributions of the paper are as follows: 1) An efficient statistical eigen-beamforming method with limited feedback for OFDM has been proposed; and 2) exact and asymptotic expressions of the average bit error rate for (transmitter side) spatially correlated Rayleigh fading channels are derived. In particular, the asymptotic expression allows us to gain insight to statistical eigen-beamforming with selection diversity in terms of array gain and diversity order. © 2007 IEEE.

History

Journal

IEEE transactions on vehicular technology

Volume

56

Issue

5

Pagination

2931 - 2940

Publisher

IEEE

Location

Piscataway, N.J.

ISSN

0018-9545

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal