Abstract
Leveraging UAVs for access and Altitude Platform Stations (HAPSs) for data backhaul to construct the Air-Ground Integrated Network (AGIN) is a feasible solution to achieve seamless network coverage for remote IoT devices in future 6G era. However, the limited battery of IoT terminals and constrained onboard energy storage of UAVs make system energy-efficiency becomes a new concern. To cope with the challenge, we propose a C-NOMA AGIN model for remote area. Then, we investigate the UAV trajectory plan problem for maximizing system energy efficiency (EE). We provide the solution to obtain the near-optimal UAV trajectory and flight speed. Results prove that the proposed approach is superior to others in terms of EE.
This work was supported in part by the National Natural Science Foundation of China under Grant 62201212, the Natural Science Foundation of Hebei Province under Grant F2022502017, the Zhejiang Key Laboratory of Medical Electronics and Digital Health under Grant MEDH202215, the State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources under Grant LAPS21018, the Fundamental Research Funds for the Central Universities under Grant 2021MS002, and the National Key Research and Development Program of China under Grant 2020YFB1806000.
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Qin, P., Wu, X., Zhao, X., Zhao, H. (2023). Energy-Efficient UAV Trajectory Plan for 6G Networks. In: Liang, Q., Wang, W., Liu, X., Na, Z., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2022. Lecture Notes in Electrical Engineering, vol 873. Springer, Singapore. https://doi.org/10.1007/978-981-99-1260-5_18
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DOI: https://doi.org/10.1007/978-981-99-1260-5_18
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