首页|Energy-efficient joint UAV secure communication and 3D trajectory optimization assisted by reconfigurable intelligent surfaces in the presence of eavesdroppers
Energy-efficient joint UAV secure communication and 3D trajectory optimization assisted by reconfigurable intelligent surfaces in the presence of eavesdroppers
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We consider a scenario where an unmanned aerial vehicle(UAV),a typical unmanned aerial system(UAS),transmits confidential data to a moving ground target in the presence of multiple eavesdroppers.Multiple friendly reconfigurable intelligent surfaces(RISs)help to secure the UAV-target communication and improve the energy efficiency of the UAV.We formulate an optimization problem to minimize the energy consumption of the UAV,subject to the mobility constraint of the UAV and that the achievable secrecy rate at the target is over a given threshold.We present an online planning method following the framework of model predictive control(MPC)to jointly optimize the motion of the UAV and the con-figurations of the RISs.The effectiveness of the proposed method is validated via computer simulations.
Unmanned aerial systems(UASs)Unmanned aerial vehicle(UAV)Communication securityEaves-droppingReconfigurable intelligent surfaces(RIS)Autonomous navigation and placementPath planningModel predictive control
Huang Hailong、Mohsen Eskandari、Andrey V.Savkin、Wei Ni
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The Department of Aeronautical and Aviation Engineering,The Hong Kong Polytechnic University,Hong Kong,China
School of Electrical Engineering and Telecommunications,University of New South Wales,Sydney,2052,Australia
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