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Open Access

Probabilistic Modeling and Optimization of Real-Time Protocol for Multifunction Vehicle Bus

Lifan SuMin ZhouHai WanMing Gu( )
School of Software, Tsinghua University, Beijing 100084, China.
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Abstract

In this paper, we present the modeling and optimization of a Real-Time Protocol (RTP) used in Train Communication Networks (TCN). In the proposed RTP, message arbitration is represented by a probabilistic model and the number of arbitration checks is minimized by using the probability of device activity. Our optimized protocol is fully compatible with the original standard and can thus be implemented easily. The experimental results demonstrate that the proposed algorithm can reduce the number of checks by about 50%, thus significantly enhancing bandwidth.

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Tsinghua Science and Technology
Pages 561-569
Cite this article:
Su L, Zhou M, Wan H, et al. Probabilistic Modeling and Optimization of Real-Time Protocol for Multifunction Vehicle Bus. Tsinghua Science and Technology, 2016, 21(5): 561-569. https://doi.org/10.1109/TST.2016.7590325

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Received: 04 September 2015
Accepted: 22 October 2015
Published: 18 October 2016
© The author(s) 2016
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