In 5G systems, a predefined codebook with a limited number of beams is used during the initial access and beam management procedures to establish and maintain the connection between the users and the network. At 5G mmimeter wave (mmWave) frequencies, due to the very narrow and directional beams obtained by beamforming, intelligently designing a codebook with a limited number of beams is crucial to avoid coverage holes. We formulate an optimization problem for the beam-codebook design to maximize the coverage probability, which is a quadratically-constrained mixed-integer problem. We propose a set of data-driven codebook design algorithms to solve the optimization problem, which, for a given codebook size constraint, adapts the codebook to the deployment scenario using the provided input channel data. For a sample deployment scenario, we show that as the codebook size increases, the proposed algorithms converge to the upper bound in terms of the coverage probability much faster than several benchmark algorithms. Hence, the proposed algorithms can achieve the coverage levels of benchmark algorithms with a much smaller codebook size. This can significantly reduce the initial access, beam management, and handover delays, which in turn provide higher data rates, lower latency, and lower interruption times.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Data-Driven Beamforming Codebook Design to Improve Coverage in Millimeter Wave Networks


    Beteiligte:


    Erscheinungsdatum :

    01.06.2022


    Format / Umfang :

    828910 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Millimeter Wave Hybrid Beamforming with DFT-MUB Aided Precoder Codebook Design

    Satyanarayana, K. / El-Hajjar, Mohammed / Kuo, Ping-Heng et al. | IEEE | 2017


    Location-Aided Beamforming in Mobile Millimeter-Wave Networks

    Khosravi, Sara / Ghadikolaei, Hossein S. / Zander, Jens et al. | IEEE | 2022



    Learning based Dynamic Codebook Selection for Analog Beamforming

    Zhan, Qi / Cheng, Hongbing / Song, Kee-Bong | IEEE | 2020


    Baseband Codebook Design with Long-term Information for Hybrid Beamforming Systems

    Liu, Gaozheng / Chen, Li / Wang, Weidong et al. | IEEE | 2020