In emergency rescue scenarios, unmanned aerial vehicle (UAV) communications with reconfigurable intelligent surfaces (RIS) is a way to enhance the communications link. However, the key challenges lie in the acquisition of channel information and the design of beamforming due to the limited energy storage and high density integrated antenna array. To solve this problem, we propose an energy minimization (EM) based beam training scheme to optimize the energy consumption of the communication system. Specifically, we consider the RIS assisted UAV communication system with emergency rescue. Considering the constraints of RIS phase-shift, system communication rate and energy efficiency, we propose an optimization problem to minimize the system transmission power, and obtain the optimal solution. The simulation results show that the proposed optimization algorithm can ensure the minimum communication requirements and reduce the transmission power of the system.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Energy-Efficient Beam Training For RIS Assisted UAV Communications in Emergency Rescue Scenarios


    Contributors:
    Shang, Sihui (author) / Xu, Dongyang (author) / Ren, Pinyi (author) / Yu, Keping (author) / Guizani, Mohsen (author)


    Publication date :

    2023-06-01


    Size :

    1275158 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



    Multifunctional emergency rescue device and multifunctional emergency rescue vehicle

    LI YONG / LI GANGYUAN / HAN JINGYONG | European Patent Office | 2021

    Free access

    Energy-saving elevator emergency rescue method

    TANG YI / LIU YUE / JIANG ZHANGYUAN et al. | European Patent Office | 2022

    Free access

    Emergency rescue unmanned aerial vehicle and emergency rescue system

    XIONG JUN / LI HONGMIAO / LIU YI et al. | European Patent Office | 2022

    Free access

    Emergency rescue vehicle

    LIU HOULIN / SHI WEI / XU MING et al. | European Patent Office | 2023

    Free access

    Emergency rescue tube

    European Patent Office | 2019

    Free access