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Pilot channel-aided techniques to compute the beamforming vector for CDMA systems with antenna array

journal contribution
posted on 2000-09-01, 00:00 authored by Jinho ChoiJinho Choi
In the presence of pilot channels in the reverse-link, some approaches to compute the coherent beamforming vectors for the two-dimensional Rake (2-D Rake) combiner are considered. Since the beamforming vectors are computed using the despread signals, the computational complexity of the approaches is lower than that of the approach which uses the received signals before despreading. It has been shown that the beamforming performance depends on the accuracy of channel parameter estimation. The approach which provides better channel parameter estimates can give a better beamforming performance. The effect of the pilot power on the performance is also presented.

History

Journal

IEEE transactions on vehicular technology

Volume

49

Pagination

1760-1775

Location

Piscataway, N.J.

ISSN

0018-9545

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

2000, IEEE

Issue

5

Publisher

Institute of Electrical and Electronics Engineers

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