ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Multi-UAV relay connectivity optimization with constraint of hover time
Received date: 2023-11-08
Revised date: 2023-12-08
Accepted date: 2023-12-22
Online published: 2023-12-29
Supported by
Key Research and Development Plan of Shaanxi Province(2022ZDLGY05-09)
Due to their special advantages of flexibility and ease of deployment， Unmanned Aerial Vehicles have found extensive uses in a variety of fields. To solve the problem of communication connectivity between heterogeneous users， the concept of heterogeneous multi-network relay is proposed by combining relay and gateway ideas. Multiple UAVs are deployed to provide relay services for heterogeneous users， and reliable relay connectivity links are constructed. The process of establishing a relay connectivity link between the source and destination user nodes is decomposed into two sub-problems for solving： relay coverage partitioning and relay selection connection. First， considering the constraint of the maximum hover time of the UAV， an Optimization Partitioning Method （OPM） is proposed based on a fair resource allocation scheme by looking for the optimal unit partition associated with the UAV to maximize the data volume of service users. Second， a Relay Selection Strategy （RSS） is created when building the connection link between UAVs with the aim of optimizing relay link throughput. Relay UAVs are chosen to act as a conduit for communication amongst UAVs that are scattered outside the communication radius. Finally， experimental comparison shows that the proposed strategy can increase the throughput of relay links and offer fairer relay services for heterogeneous users.
Wu PAN , Xiang WANG , Na LYU , Zhiyuan REN , Wenya LIU . Multi-UAV relay connectivity optimization with constraint of hover time[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2024 , 45(16) : 329854 -329854 . DOI: 10.7527/S1000-6893.2023.29854
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