Centralized TDMA Slot Assignment Scheme Based on Traffic Direction for QoS Guarantee in Unmanned Robot Systems 


Vol. 41,  No. 5, pp. 555-564, May  2016


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  Abstract

This paper proposes a time slot allocation scheme for military patrol environments. This proposal comes from analysis of traffic properties in a military patrol environment. In the near future, robots are expected to explore enemy grounds and measure threat, taking the place of human patrol. In order to control such robots, control messages must be extremely accurate. One mistake from the control center could cause a tragedy. Thus, high reliability must be guaranteed. Another goal is to maintain a continual flow of multimedia data sent from patrol robots. That is, QoS (Quality of Service) must be guaranteed. In order to transmit data while fulfilling both attributes, the per-path based centralized TDMA slot allocation scheme is recommended. The control center allocates slots to robots allowing synchronization among robots. Slot allocation collisions can also be avoided. The proposed scheme was verified through the ns-3 simulator. The scheme showed a higher packet delivery ratio than the algorithm in comparison. It also performed with shorter delay time in the downlink traffic transmission scenario than the algorithm in comparison.

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  Cite this article

[IEEE Style]

J. Han, D. Kim, Y. Ko, D. Kwon, "Centralized TDMA Slot Assignment Scheme Based on Traffic Direction for QoS Guarantee in Unmanned Robot Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 41, no. 5, pp. 555-564, 2016. DOI: .

[ACM Style]

Jina Han, Dabin Kim, Young-Bae Ko, and DaeHoon Kwon. 2016. Centralized TDMA Slot Assignment Scheme Based on Traffic Direction for QoS Guarantee in Unmanned Robot Systems. The Journal of Korean Institute of Communications and Information Sciences, 41, 5, (2016), 555-564. DOI: .

[KICS Style]

Jina Han, Dabin Kim, Young-Bae Ko, DaeHoon Kwon, "Centralized TDMA Slot Assignment Scheme Based on Traffic Direction for QoS Guarantee in Unmanned Robot Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 41, no. 5, pp. 555-564, 5. 2016.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880