Abstract
This paper proposes a message scheduling scheme for periodic sensor streams in hybrid telematics network system consist of infrastructure and ad-hoc network. To meet the fairness requirement of traffic information system, the proposed scheme classifies each message into 3 groups, and picks the message according to the previous transmission ratio and future behavior estimation, compensating the degraded stream. The performance of proposed scheme is evaluated via simulation using a discrete event scheduler based on the real movement data obtained from a telematics service system currently in operation, and the result demonstrates that the fairness of the message collection is improved by up to 3.8 % for the given parameters in vehicular network without sacrificing much timeliness.
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Lee, J., Park, GL., Kang, MJ. (2008). A Message Scheduling Scheme in Hybrid Telematics Networks. In: Gervasi, O., Murgante, B., Laganà, A., Taniar, D., Mun, Y., Gavrilova, M.L. (eds) Computational Science and Its Applications – ICCSA 2008. ICCSA 2008. Lecture Notes in Computer Science, vol 5072. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-69839-5_56
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DOI: https://doi.org/10.1007/978-3-540-69839-5_56
Publisher Name: Springer, Berlin, Heidelberg
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