Journal
IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC 2021)
Volume -, Issue -, Pages -Publisher
IEEE
DOI: 10.1109/ICC42927.2021.9500796
Keywords
Vehicular networks; unmanned aerial vehicles (UAVs); position planing; power control
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This paper investigates the optimization of UAV positioning for infrastructure-to-vehicle communication using UAVs as relays. It considers both single UAV and multiple cooperative UAV scenarios to maximize system data rate, taking into account VUE mobility. The study highlights the impact of system parameters such as height, transmit power, and number of UAVs on optimal positioning and system performance.
This paper considers unmanned aerial vehicle (UAV)-assisted infrastructure-to-vehicle (I2V) communication employing UAVs as relays to increase the throughput between a roadside unit (RSU) and a vehicular user equipment (VUE). We investigate the UAV position planning problem under both single UAV and multiple cooperative UAVs scenarios while considering the mobility of the VUE, aiming to maximize the data rate of the system. We first consider using a single UAV and prove that the single UAV position planning can be formulated as a convex optimization problem, and then obtain the optimal position of the UAV. Next, we investigate the multiple cooperative UAVs scenario and formulate the joint power control and position planning problem to improve the data rate of the system under a fixed total power consumption. Numerical simulations are provided to verify our theoretical results. Our findings highlight the effects of important system parameters, such as height, transmit power, and the number of UAVs, on the optimal UAV positioning and system performance.
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