This chapter works on proposing an advanced index modulation (IM) scheme to underpin mmWave vehicular uplink access. The designed IM roots from a spectrum efficiency (SE-) enhanced technique, namely generalized beamspace modulation (GBM), but has generalized it from the narrow-band to realistic wideband scenarios via a symbol-based modulating framework. Besides, the result wideband GBM (wGBM) is accompanied by a dedicated Doppler compensation module to enhance its robustness against Doppler. The proposed single-user wGBM is further extended to a wideband multi-user (wMU) scenario to support massive connection and ultra-fast speed for the next-generation cellular. A well-design detector is carefully devised for in wMU-wGBM based on the message-passing algorithm. It can effectively alleviate the computational complexity and maintain a near-optimal performance in large-scale systems. Theoretical analyses and numerical simulations have been carried out to validate the advantages of wGBM in terms of error performance and energy efficiency.


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    Titel :

    Millimeter-Wave Index Modulation for Vehicular Uplink Access


    Weitere Titelangaben:

    Wireless Networks


    Beteiligte:
    Cheng, Xiang (Autor:in) / Gao, Shijian (Autor:in) / Yang, Liuqing (Autor:in)


    Erscheinungsdatum :

    2022-05-03


    Format / Umfang :

    33 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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