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6 - Wireless-Aware Path Planning for UAV Networks

Published online by Cambridge University Press:  31 March 2020

Walid Saad
Affiliation:
Virginia Polytechnic Institute and State University
Mehdi Bennis
Affiliation:
University of Oulu, Finland
Mohammad Mozaffari
Affiliation:
Ericsson Research Silicon Valley
Xingqin Lin
Affiliation:
Ericsson Research Silicon Valley
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Summary

This chapter delves into theproblem of wireless-aware path planning for UAVs with a focus on cellular-connected UAV user equipment (UAV UE) that can communicate with ground cellular networks. To this end, we present a very focused study on interference-aware path planning for cellular-connected UAV UEs, in which each UAV aims at achieving a tradeoff between various quality-of-service and mission goals, such as minimizingwireless latency and interference caused on the ground network. To this end, we first motivate the need for wireless-aware path planning for UAV UE and, then, we introduce a rigorous system model for a wireless network with UAV UEs. We then formally pose the wireless-aware path planning problem for UAV UEs using the framework of game theory. We subsequently provide a reinforcement learning solution that can be used to design autonomous, self-organizing wireless-aware path planning mechanisms for UAV UEs while balancing the various wireless and mission objectives of the drones. We also show how some of the unique features of UAVs, such as their altitude and their ability to establish line-of-sight, will have significant impact on the way in which their trajectory is designed.

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Publisher: Cambridge University Press
Print publication year: 2020

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