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The MAC Protocol of WSN for Supporting Telematics Services in the Road Environment
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- Authors
- Jae-Han Lim, Jung Sook Kim, Chang Sup Shin, Chong Poh Kit, ByungTae Jang
- Issue Date
- 2008-10
- Citation
- Asia-Pacific Conference on Communications (APCC) 2008, pp.1-4
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we propose a medium access control (MAC) protocol for supporting telematics service in the road environment, which requires the guarantee of a delay bound on end-to-end transmission and high transmission reliability in a multi-hop network. In order to guarantee a delay bound on end-to-end transmission and high transmission reliability in a multi-hop network, the proposed MAC adopts the access mechanism based on time division multiple access (TDMA) and uses the superframe structure which considers an end-to-end transmission. Moreover, the proposed MAC can extend a network coverage by using a special device, T-sink. Through experiments in the real testbed where the proposed MAC is implemented, we can show that the proposed MAC is appropriate for the telematics service in the road environment.