Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 521, Issue -, Pages 551-561Publisher
ELSEVIER
DOI: 10.1016/j.physa.2019.01.064
Keywords
Integrated transmission cost algorithm; Route cost; Distance cost; Traffic pressure cost; Control parameters
Categories
Funding
- National Natural Science Foundation of China [71573184]
- National Key Scientific Instrument and Equipment Development Project of China [2013YQ490879]
- China Scholarship Council (CSC)
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This paper proposes a routing strategy by minimizing an integrated transmission cost including route cost, distance cost, and traffic pressure cost, which are quantified based on the available transportation routes and travel distance of edges, and the degree of nodes, respectively. In the routing strategy, an arriving rate function is proposed based on the characteristics of heterogeneous traffic demand of nodes, and two parameters, congestion parameter and cost importance parameter are proposed to evaluate the importance of different transmission costs. By tuning the parameters, an optimal routing strategy with high capacity is obtained for different applications. The numerical results on theoretical networks (Watts-Strogatz small-world network and Barabasi-Albert network) and real networks (the bus and metro network in Beijing, China) show that the generated new routing strategy can significantly improve the system capacity and operation efficiency. Moreover, the significance of the proposed parameters on evaluating the importance of different transmission costs is precisely proved based on the experimental results, which indicates the effectiveness of the proposed routing strategy. (C) 2019 Elsevier B.V. All rights reserved.
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