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This paper studies on immunity of wireless sensor unit in the Internet of Things in substation, which is responsible for signal acquisition and transmission. Field measurement and experiment indicate that the wireless sensor unit is influenced by electromagnetic disturbance in substation. Analysis of the measurement data shows that frequency range of electromagnetic disturbance includes the communication...
Wireless sensor unit is a vital part of the Internet of Things, which is responsible for signal acquisition and transmission. Electromagnetic disturbance issue in substation where wireless sensors are usually located be studied to ensure reliability and security of the Internet of Things. This paper focuses on the electromagnetic disturbance to the wireless sensor unit generated by operation of power...
In WSNs, energy efficiency of the network is considered with utmost priority in order to lengthen the lifespan of the network. This paper proposes a two layer hierarchical routing protocol called Chain Routing Protocol based on Coordinate Clustering Strategy (CRBCC), which ensures the minimum energy consumption and short delay. At first, CRBCC makes cluster equally according to y coordinates. Then,...
In WSNs, energy efficiency and low latency are considered as two key issues in designing routing protocol. This paper proposes two schemes to combine clustering strategy with chain routing algorithm in order to satisfy both energy and delay constraints in WSNs. The first scheme makes use of clustering strategy, direct transmission inside cluster, and chain routing among cluster-heads. The second scheme...
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