Power Allocation for Uplink Communications of Massive Cellular-Connected UAVs
نویسندگان
چکیده
Cellular-connected unmanned aerial vehicle (UAV) has attracted a surge of research interest in both academia and industry. To support user equipment (UEs) the existing cellular networks, one promising approach is to assign portion system bandwidth exclusively UAV-UEs. This especially favorable for use cases where large number UAV-UEs are exploited, e.g., package delivery close warehouse. Although nearly line-of-sight (LoS) channels can result higher powers received, UAVs turn cause severe interference each other same frequency band. In this contribution, we focus on uplink communications massive cellular-connected UAVs. Different power allocation algorithms proposed either maximize minimal spectrum efficiency (SE) or overall SE cope with based successive convex approximation (SCA) principle. One challenges that UAV affect area meaning many more must be considered optimization problem, which essentially different from terrestrial UEs. The necessity single-carrier transmission further complicates problem. Nevertheless, find special property coherent bandwidths times propagation leveraged. performances evaluated via extensive simulations full-buffer mode bursty-traffic mode. Results show effectively enhance SEs. work first attempt deal among optimized allocations.
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ژورنال
عنوان ژورنال: IEEE Transactions on Vehicular Technology
سال: 2023
ISSN: ['0018-9545', '1939-9359']
DOI: https://doi.org/10.1109/tvt.2023.3244653