Patent
A method and apparatus for construct a passive wireless sensor network node of a rail transit vehicle
Huang Xuefeng,Wang Hongchao,Yang Dong,Guan Shan,Pang Long,Gong Kai +5 more
- 04 Jan 2019
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TL;DR: In this article, a method and a device for organizing a passive wireless sensor network node of a rail transit vehicle is described, which consists of grouping passive sensor nodes according to the quantity and communication distance factors, each group of nodes comprises a central node and a plurality of sub-nodes.
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Abstract: A method and a device for organize a passive wireless sensor network node of a rail transit vehicle are disclosed The method comprises the following steps of: grouping passive sensor nodes accordingto the quantity and communication distance factors, each group of nodes comprises a central node and a plurality of sub-nodes; establishing a distributed passive wireless sensor network through different network numbers and communication frequency bands which are independent to each other; scheduling the time slot of distributed passive wireless sensor networks (DPWSNs) by superframe design to execute preset tasks; dynamically selecting a center node according to the energy of the nodes in the distributed passive wireless sensor network to construct the network and balance the energy of the distributed passive wireless sensor network; and summarizing the data collected by the sub-nodes of the distributed passive wireless sensor network through the central node and transmitted to the server This method effectively solves the problems of wide distribution of nodes and difficult networking, and has the advantages of simple algorithm, low node power consumption and good network performance
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Citations
Patent
Evaluation method and device, storage medium, processor and train
Liang Jianying,Liu Tai,Li Xingguo,Mou Yinan,Yuan Qi,Jian Jikai +5 more
- 11 Sep 2020
TL;DR: In this article, an evaluation method and device, a storage medium, a processor and a train are described, where the evaluation data corresponding to the evaluation indexes of all the subsystems are collected, and an evaluation data set is generated.
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Patent
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