A low complexity linear multiuser MIMO beamforming system with limited feedback

Chan-Byoung Chae, David Mazzarese, Nihar Jindal, Robert W. Heath

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

In this paper, we propose a low complexity linear multiuser beamforming system for the multiple-input multipleoutput (MIMO) broadcast channel. We consider the specific case of transmission of a single information stream to two users with two or more receive antennas. Unlike past work in which an iterative algorithm is required to design the beamformers, we first provide a low complexity non-iterative solution via the generalized eigenvector decomposition to jointly optimize transmit beamforming and receive combining vectors. The proposed beamforming technique works for two or more transmit and receive antennas where perfect channel state information is available at the transmitter. To enable practical implementation, a new non-uniform limited feedback algorithm is also proposed that exploits the structure of the algorithm to avoid full channel quantization especially for two transmit antenna systems. The feedback overhead is independent of the number of receive antennas. Simulation results show that the proposed method performs close to the sum capacity of the MIMO broadcast channel even with limited feedback.

Original languageEnglish
Title of host publicationCISS 2008, The 42nd Annual Conference on Information Sciences and Systems
Pages418-422
Number of pages5
DOIs
Publication statusPublished - 2008 Sep 22
EventCISS 2008, 42nd Annual Conference on Information Sciences and Systems - Princeton, NJ, United States
Duration: 2008 Mar 192008 Mar 21

Other

OtherCISS 2008, 42nd Annual Conference on Information Sciences and Systems
CountryUnited States
CityPrinceton, NJ
Period08/3/1908/3/21

Fingerprint

Beamforming
Antennas
Feedback
Channel state information
Eigenvalues and eigenfunctions
Transmitters
Decomposition

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Information Systems
  • Control and Systems Engineering

Cite this

Chae, C-B., Mazzarese, D., Jindal, N., & Heath, R. W. (2008). A low complexity linear multiuser MIMO beamforming system with limited feedback. In CISS 2008, The 42nd Annual Conference on Information Sciences and Systems (pp. 418-422). [4558563] https://doi.org/10.1109/CISS.2008.4558563
Chae, Chan-Byoung ; Mazzarese, David ; Jindal, Nihar ; Heath, Robert W. / A low complexity linear multiuser MIMO beamforming system with limited feedback. CISS 2008, The 42nd Annual Conference on Information Sciences and Systems. 2008. pp. 418-422
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Chae, C-B, Mazzarese, D, Jindal, N & Heath, RW 2008, A low complexity linear multiuser MIMO beamforming system with limited feedback. in CISS 2008, The 42nd Annual Conference on Information Sciences and Systems., 4558563, pp. 418-422, CISS 2008, 42nd Annual Conference on Information Sciences and Systems, Princeton, NJ, United States, 08/3/19. https://doi.org/10.1109/CISS.2008.4558563

A low complexity linear multiuser MIMO beamforming system with limited feedback. / Chae, Chan-Byoung; Mazzarese, David; Jindal, Nihar; Heath, Robert W.

CISS 2008, The 42nd Annual Conference on Information Sciences and Systems. 2008. p. 418-422 4558563.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Chae C-B, Mazzarese D, Jindal N, Heath RW. A low complexity linear multiuser MIMO beamforming system with limited feedback. In CISS 2008, The 42nd Annual Conference on Information Sciences and Systems. 2008. p. 418-422. 4558563 https://doi.org/10.1109/CISS.2008.4558563