A first-order optimal zero-forcing beamformer design for multiuser MIMO systems via a regularized dual accelerated gradient method

B. Li; H.H. Dam; Antonio Cantoni; K.L. Teo

doi:10.1109/LCOMM.2014.2381245

A first-order optimal zero-forcing beamformer design for multiuser MIMO systems via a regularized dual accelerated gradient method

B. Li, H.H. Dam, Antonio Cantoni, K.L. Teo

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

© 1997-2012 IEEE. A first-order zero-forcing beamformer design is proposed in this letter for MU-MIMO systems under per-antenna power constraints (PAPC). By forming the regularized dual problem, first-order methods can be applied. To achieve the limit convergence rate of first-order methods, an accelerated method is introduced to solve the regularized dual problem. Simulation results are provided to show the effectiveness of the proposed method.

Original language	English
Pages (from-to)	195-198
Journal	IEEE Communications Letters
Volume	19
Issue number	2
DOIs	https://doi.org/10.1109/LCOMM.2014.2381245
Publication status	Published - 2015

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abstract = "{\textcopyright} 1997-2012 IEEE. A first-order zero-forcing beamformer design is proposed in this letter for MU-MIMO systems under per-antenna power constraints (PAPC). By forming the regularized dual problem, first-order methods can be applied. To achieve the limit convergence rate of first-order methods, an accelerated method is introduced to solve the regularized dual problem. Simulation results are provided to show the effectiveness of the proposed method.",

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AB - © 1997-2012 IEEE. A first-order zero-forcing beamformer design is proposed in this letter for MU-MIMO systems under per-antenna power constraints (PAPC). By forming the regularized dual problem, first-order methods can be applied. To achieve the limit convergence rate of first-order methods, an accelerated method is introduced to solve the regularized dual problem. Simulation results are provided to show the effectiveness of the proposed method.

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A first-order optimal zero-forcing beamformer design for multiuser MIMO systems via a regularized dual accelerated gradient method

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