Distributed phased arrays based multiple-input multiple-output (DPA-MIMO) is a recently proposed highly reconfigurable architecture enabling both spatial multiplexing and beamforming in millimeter-wave (mmWave) systems. In this work, we focus on coping with the hybrid precoding for the wideband DPA-MIMO system with orthogonal frequency division multiplexing (OFDM) modulation. More specifically, we propose an alternating direction method of multipliers (ADMM) enabled hybrid precoding approach based on an alternating optimization framework, abbreviated to ADMM-AltMin, for such cooperative array-of-subarrays structures. Simulation results show that the proposed ADMM-AltMin method achieves favourable performance with practical quantization of phase shifters taken into account.


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    Titel :

    ADMM Enabled Hybrid Precoding in Wideband Distributed Phased Arrays Based MIMO Systems


    Beteiligte:
    Zhang, Yu (Autor:in) / Huo, Yiming (Autor:in) / Zhan, Jinlong (Autor:in) / Wang, Dongming (Autor:in) / Dong, Xiaodai (Autor:in) / You, Xiaohu (Autor:in)


    Erscheinungsdatum :

    2019-09-01


    Format / Umfang :

    317363 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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