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WSN for railway environment monitoring is a typical linear wireless sensor network. In order to improve the poor robustness of single path routing protocol, this paper proposes an energy-efficient multi-path routing protocol suitable for narrow strip area along the railway. In this protocol, "One-step-hop" transmission and "two-step-hop" transmission are designed to send packets...
The railway environment monitoring system is very crucial to ensure the safe operation of the High-speed railway. This paper addresses the problem of the nodes deployment of WSN-based railway environment monitoring system. Our design goal is to find the optimal deployment scheme (number of relay node and the deployment of these nodes) that maximize the network utilization efficiency defined as network...
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