Low complexity coordinated beamforming in 2-user MIMO systems

Ki Hong Park; Young Chai Ko; Mohamed Slim Alouini; James S. Kim

doi:10.1109/ICC.2009.5199150

Low complexity coordinated beamforming in 2-user MIMO systems

Ki Hong Park^*, Young Chai Ko, Mohamed Slim Alouini, James S. Kim

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

4 Scopus citations

Abstract

In this paper, We propose a new non-iterative coordinated beamforming scheme to obtain full multiplexing gain in 2-user MIMO systems. In order to find the beamforming and combining matrices, we solve a generalized eigenvector problem and describe how to find generalized eigenvectors according to the Gaussian broadcast channels. Selected simulation results show that the proposed method yields the same sum-rate performance as the iterative coordinated beamforming method with a lower complexity non-iterative computation of the beamforming and combining matrices. We also show that the proposed method can easily exploit selective gain by choosing the best combination of generalized eigenvectors.

Original language	English (US)
Title of host publication	Proceedings - 2009 IEEE International Conference on Communications, ICC 2009
DOIs	https://doi.org/10.1109/ICC.2009.5199150
State	Published - 2009
Externally published	Yes
Event	2009 IEEE International Conference on Communications, ICC 2009 - Dresden, Germany Duration: Jun 14 2009 → Jun 18 2009

Other

Other	2009 IEEE International Conference on Communications, ICC 2009
Country/Territory	Germany
City	Dresden
Period	06/14/09 → 06/18/09

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

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10.1109/ICC.2009.5199150

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title = "Low complexity coordinated beamforming in 2-user MIMO systems",

abstract = "In this paper, We propose a new non-iterative coordinated beamforming scheme to obtain full multiplexing gain in 2-user MIMO systems. In order to find the beamforming and combining matrices, we solve a generalized eigenvector problem and describe how to find generalized eigenvectors according to the Gaussian broadcast channels. Selected simulation results show that the proposed method yields the same sum-rate performance as the iterative coordinated beamforming method with a lower complexity non-iterative computation of the beamforming and combining matrices. We also show that the proposed method can easily exploit selective gain by choosing the best combination of generalized eigenvectors.",

author = "Park, {Ki Hong} and Ko, {Young Chai} and Alouini, {Mohamed Slim} and Kim, {James S.}",

year = "2009",

doi = "10.1109/ICC.2009.5199150",

language = "English (US)",

isbn = "9781424434350",

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note = "2009 IEEE International Conference on Communications, ICC 2009 ; Conference date: 14-06-2009 Through 18-06-2009",

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AU - Park, Ki Hong

AU - Ko, Young Chai

AU - Alouini, Mohamed Slim

AU - Kim, James S.

PY - 2009

Y1 - 2009

N2 - In this paper, We propose a new non-iterative coordinated beamforming scheme to obtain full multiplexing gain in 2-user MIMO systems. In order to find the beamforming and combining matrices, we solve a generalized eigenvector problem and describe how to find generalized eigenvectors according to the Gaussian broadcast channels. Selected simulation results show that the proposed method yields the same sum-rate performance as the iterative coordinated beamforming method with a lower complexity non-iterative computation of the beamforming and combining matrices. We also show that the proposed method can easily exploit selective gain by choosing the best combination of generalized eigenvectors.

AB - In this paper, We propose a new non-iterative coordinated beamforming scheme to obtain full multiplexing gain in 2-user MIMO systems. In order to find the beamforming and combining matrices, we solve a generalized eigenvector problem and describe how to find generalized eigenvectors according to the Gaussian broadcast channels. Selected simulation results show that the proposed method yields the same sum-rate performance as the iterative coordinated beamforming method with a lower complexity non-iterative computation of the beamforming and combining matrices. We also show that the proposed method can easily exploit selective gain by choosing the best combination of generalized eigenvectors.

UR - http://www.scopus.com/inward/record.url?scp=70449478347&partnerID=8YFLogxK

U2 - 10.1109/ICC.2009.5199150

DO - 10.1109/ICC.2009.5199150

M3 - Conference contribution

AN - SCOPUS:70449478347

SN - 9781424434350

BT - Proceedings - 2009 IEEE International Conference on Communications, ICC 2009

T2 - 2009 IEEE International Conference on Communications, ICC 2009

Y2 - 14 June 2009 through 18 June 2009

ER -

Low complexity coordinated beamforming in 2-user MIMO systems

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