DOI QR코드

DOI QR Code

Dynamic Slot Allocation Scheme in Tactical Multi-hop Networks for Future Soldier Systems

개인전투체계 다중홉 네트워크를 위한 동적 시간슬롯 할당 기법

  • Lee, Jongkwan (Department of Computer Science, Korea Military Academy)
  • 이종관 (육군사관학교 컴퓨터과학과)
  • Received : 2020.09.24
  • Accepted : 2021.01.29
  • Published : 2021.02.05

Abstract

In this paper, we propose a dynamic slot allocation scheme to improve the slot utilization rate in tactical multi-hop networks in which the channel condition varies due to node movements. The proposed scheme takes advantage of the fact that nodes that are more than three hops apart can use the same slot simultaneously. The frame is divided into two parts: the control period and the data period. To know the available slot information within two-hop distance, the node exchanges a slot allocation information with one-hop neighbors during the control period. The node can get the information on idle slots that are not used within two-hop distance but assigned already to other nodes that are more than three-hop away. The identified idle slot can be used by the node, which increases the slot utilization rate. The performance analysis results of the proposed scheme show that it increases the slot utilization rate sufficiently despite the overhead of the control period in the multi-hop networks of the future soldier system.

Keywords

References

  1. J. Chae et al., " NCW based Research & Development Technology for Korean Future Soldier System," KIMST Annual Conference Proceedings, pp. 465-470, 2012.
  2. K. Lee and C. Lee, "A Study on the Acquisition Strategy for the Future Warrior System in ROKA," ICROS 2011, pp. 152-164, 2011.
  3. E. J. Choe et. al., "A Direction of Required Technology for Future Warrior Platform with Mission Equipment," KIMST Annual Conference Proceedings, pp. 2183-2184, 2018.
  4. J. K. Lee et. al., "Performance Analysis of Cooperative MAC Protocols in Dynamic TDMA based Wireless Networks," KIMST Annual Conference Proceedings, pp. 545-548, 2012.
  5. J. S. You et. al., "Communication Frame Design for Small Scale Network Operation," KIMST Annual Conference Proceedings, pp. 873-874, 2018.
  6. Y. M. Kwon, "TDMA Scheduling Scheme for Minimizing Multi-hop Relay Time in Small Scale Networks," KIMST Annual Conference Proceedings, pp. 1193-1194, 2019.
  7. H. Choi et. al., "CH-MAC: A Cluster-based, Hybrid TDMA MAC Protocol over Wireless Ad-hoc Networks," MILCOM 2019 - 2019 IEEE Military Communications Conference(MILCOM), Norfolk, VA, USA, pp. 743-748, 2019.
  8. J. K. Lee, K. M. Lee and J. Lim, "A Fast Dynamic Slot Assignment Protocol for Ad Hoc Networks," IEICE Transaction on Communications, Vol. E95-B, No. 12, 2012.
  9. J. K. Lee et. al., "AC-DSA: Artificial Collision based Dynamic Slot Assignment for In-Band Control Networks," IEEE Transaction on Wireless Communications, Vol. 3, No. 11, 2014.
  10. J. K. Lee, H. J. Noh and J. Lim, "TDMA based Cooperative MAC Protocol for Multi-Hop Relaying Networks," IEEE Communications Letters, Vol. 18, No. 3, 2014.
  11. J. K. Lee et. al., "A Cooperative Relay Scheme for Tactical Multi-Hop Wireless Networks," IEEE MILCOM, 2013.
  12. J. K. Lee, "Performance Analysis of Dynamic TDMA and Fixed TDMA in Tactical Data Link," Journal of the Korea Institute of Military Science and Technology, Vol. 21, No. 4, pp. 489-496, 2018. https://doi.org/10.9766/KIMST.2018.21.4.489
  13. J. K. Lee and M. Lee, "Dynamic Slot Re-assignment Scheme for Network Merge in Swarming Drone Networks," Journal of the Korea Institute of Information and Communication Engineering, Vol. 23, No. 2, pp. 156-164, 2019. https://doi.org/10.6109/JKIICE.2019.23.2.156
  14. Kosek-Szott, K., "A Survey of MAC Layer Solutions to the Hidden Node Problem in Ad-Hoc Networks," Ad Hoc Networks, Vol. 10, No. 3, pp. 635-660, 2012. https://doi.org/10.1016/j.adhoc.2011.10.003