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Get Free AccessNowadays, unmanned aerial vehicle (UAV) has captured great attentions for its versatility, flexibility, and low-cost. In this paper, we consider a high altitude platform (HAP) assisted UAV network towards Internet of Things (IoT), where high dynamic UAVs can transmit real-time IoT data to remote ground control center via the HAP. Because of the movement characteristic of UAVs, the number of UAVs within the HAP coverage and the traffic load change frequently, which poses new challenges for the Media Access Control (MAC) protocol in this network. To make full use of the channel resources and guarantee the communication performance of multiple UAVs, we firstly propose an adaptive channel division MAC (ACD-MAC) protocol for this high dynamic UAV network, where the relative length of control channel interval to service channel interval, denoted by channel allocation parameter, can be flexibly adjusted according to the number of UAVs and traffic load. Then, based on a Markov model, we give an algorithm to calculate the optimal channel allocation parameter in the proposed ACD-MAC protocol. Finally, simulation results show that the proposed ACD-MAC protocol can achieve a lower end-to-end delay and a higher throughput performance in such a high dynamic UAV network than the traditional fixed channel division MAC protocol.
Yuhan Ruan, Yi Zhang, Yongzhao Li, Rui Zhang, Rongnan Hang (2020). An Adaptive Channel Division MAC Protocol for High Dynamic UAV Networks. IEEE Sensors Journal, pp. 1-1, DOI: 10.1109/jsen.2020.2987525.
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Type
Article
Year
2020
Authors
5
Datasets
0
Total Files
0
Language
English
Journal
IEEE Sensors Journal
DOI
10.1109/jsen.2020.2987525
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