The multi-hop protocols are proved effective in the railway disaster wireless monitoring system. However, farther transmission distance with the larger data will decline the valid lifetime and reliability of the system. Most existing studies focused primarily on the communication protocols optimization, and some works tried to utilize the limited computation ability at the network-level or node-level, which are insufficient for the stiff disaster information monitoring demands. This paper presents an adaptive hybrid computation and communication strategy to fully taking advantage of the sensor processing ability, and improve the energy efficiency at the link-level. Furthermore, an adaptive optimization model is designed to meet the different monitoring demands of the system, and the valid lifetime is improved accordingly. Numerical examples with various operational scenarios are developed to demonstrate the superiority and practicality of the proposed protocol in the lifetime improvement, energy consumption minimization and equalization compared with other outstanding protocols.


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    Title :

    Hybrid Optimization Model for Multi-Hop Protocol of Linear Railway Disaster Wireless Monitoring Networks


    Contributors:
    Ma, Xiao-Ping (author) / Qin, Yong (author) / Jia, Li-Min (author) / Dong, Hong-Hui (author) / Wang, Zhao-Jing (author)


    Publication date :

    2022-07-01


    Size :

    4684976 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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