QAM and PSK Codebooks for Limited Feedback MIMO Beamforming

Ryan, Daniel J., Clarkson, I. Vaughan L., Collings, Iain B., Guo, Dongning and Honig, Michael L. (2009) QAM and PSK Codebooks for Limited Feedback MIMO Beamforming. IEEE Transactions on Communications, 57 4: 1184-1196. doi:10.1109/TCOMM.2009.04.070178

Author Ryan, Daniel J.
Clarkson, I. Vaughan L.
Collings, Iain B.
Guo, Dongning
Honig, Michael L.
Title QAM and PSK Codebooks for Limited Feedback MIMO Beamforming
Journal name IEEE Transactions on Communications   Check publisher's open access policy
ISSN 0090-6778
Publication date 2009-04-01
Year available 2009
Sub-type Article (original research)
DOI 10.1109/TCOMM.2009.04.070178
Open Access Status DOI
Volume 57
Issue 4
Start page 1184
End page 1196
Total pages 13
Place of publication New York
Publisher IEEE
Language eng
Subject 0906 Electrical and Electronic Engineering
Abstract This paper considers the problem of beamforming in multiple-input multiple-output (MIMO) wireless systems. Assuming perfect channel state information at the receiver, the choice of the beamforming vector is made possible through a noiseless limited-rate feedback of one or more bits per coefficient to the transmitter. This paper proposes the use of beamforming codebooks based on quadrature amplitude modulation (QAM) and phase-shift keying (PSK) constellations, which essentially eliminates the need for storage of the codebook. We show that such codebooks perform arbitrarily close to the perfect feedback case as the constellation size increases, and that full diversity order is achieved. We demonstrate an equivalence between the beamforming codebook search problem with that of noncoherent sequence detection. Based on this we propose fast beamforming vector search algorithms. Monte-Carlo simulations are presented to show that the performance is comparable to the best known codebooks, and that the search complexity can be reduced by several orders of magnitude.
Keyword multiple-input multiple-output (MIMO)
finite rate feedback
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Information Technology and Electrical Engineering Publications
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Created: Thu, 03 Sep 2009, 18:16:36 EST by Mr Andrew Martlew on behalf of The University of Queensland Library