We study a simultaneous wireless information and power transfer (SWIPT) setup for the $K$-user multiple-input single-output (MISO) interference channel. Each transmitter can either send a private or a common message, and each receiver uses a power splitting method that divides the received signal into two parts for information decoding and energy harvesting. The private message is recovered by the destination receiver only while the common message is recovered by all the receivers. While satisfying individual rate and energy harvesting constraints, our goal is to minimize the total transmit power by properly selecting the message types, designing the beamforming vectors at transmitters, and adjusting the power splitting parameters at receivers. To optimize the parameters of our proposed scheme, we first formulate the problem in terms of a semidefinite programming (SDP) and further relax the formulation to propose low complexity algorithms for numerical optimization. In numerical results, it is shown that the required transmit power of the proposed scheme is much lower than that of the conventional scheme based on transmitting private messages only, especially when the required harvesting energy is high or the channel gains of the cross-links are strong.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Simultaneous Wireless Information and Power Transfer for the MISO Interference Channel: Gain from Decoding Interferences


    Contributors:


    Publication date :

    2018-08-01


    Size :

    157715 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




    Robust Transceiver Design for MISO Interference Channel with Energy Harvesting

    Zhao, Ming-Min / Cai, Yunlong / Shi, Qingjiang et al. | IEEE | 2015


    MISO Secure Transmission with Imperfect Channel State Information

    Song, Huanhuan / Wen, Hong / Hu, Lin et al. | IEEE | 2017


    Simultaneous Wireless Power and Data Transfer Based on Separated Channel

    Wu, Ning / Fang, Xingbang / Xiao, Jing et al. | IEEE | 2023


    Frequency Switching for Simultaneous Wireless Information and Power Transfer

    Altinel, Dogay / Kurt, Gunes Karabulut | IEEE | 2016