Idleless Slotted ALOHA Protocol for Drone Swarm Identification 


Vol. 45,  No. 9, pp. 1527-1538, Sep.  2020
10.7840/kics.2020.45.9.1527


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  Abstract

In this paper, we design a MAC protocol to identify a drone swarm considering the wireless environment and radio channel characteristics of flying drone. We propose an idle-less slotted ALOHA (ILS-ALOHA) protocol considering the drone"s high-speed mobility, rapidly changing network topology, and radio channel characteristics. The proposed ILS-ALOHA protocol detects the frequent occurrences of idle slots and transmits control information such as REQ and ACK in these idle slots to dynamically control the random access of drones and prevent unnecessary accesses to lower collision probability. Through extensive simulations, it was verified that the proposed ILS-ALOHA can reduce the collision probability of drones and increase the throughput by dynamically transmitting access control information in idle slots against the conventional slotted ALOHA protocol. In addition, the proposed ILS-ALOHA increases ACK reception rate in a wireless environment where ACK loss occurs by transmitting ACK more frequently in each idle slot, thereby preventing unnecessary re-access of drones, reducing collision probability, and improving throughput and delay performances.

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  Cite this article

[IEEE Style]

H. Choi, H. Lee, K. Kang, "Idleless Slotted ALOHA Protocol for Drone Swarm Identification," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 9, pp. 1527-1538, 2020. DOI: 10.7840/kics.2020.45.9.1527.

[ACM Style]

Hyun-Ho Choi, Howon Lee, and Kyu-Min Kang. 2020. Idleless Slotted ALOHA Protocol for Drone Swarm Identification. The Journal of Korean Institute of Communications and Information Sciences, 45, 9, (2020), 1527-1538. DOI: 10.7840/kics.2020.45.9.1527.

[KICS Style]

Hyun-Ho Choi, Howon Lee, Kyu-Min Kang, "Idleless Slotted ALOHA Protocol for Drone Swarm Identification," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 9, pp. 1527-1538, 9. 2020. (https://doi.org/10.7840/kics.2020.45.9.1527)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880