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 journalArticle

    12 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 languageEnglish
    Pages (from-to)195-198
    JournalIEEE Communications Letters
    Volume19
    Issue number2
    DOIs
    Publication statusPublished - 2015

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