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Hybrid wireless sensor network for rescue site monitoring after earthquake
Jan 06, 2017Author：
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Title: Hybrid wireless sensor network for rescue site monitoring after earthquake
Authors: Wang, R; Wang, S; Tang, C; Zhao, XG; Hu, WJ; Tan, M; Gao, BW
Author Full Names: Wang, Rui; Wang, Shuo; Tang, Chong; Zhao, Xiaoguang; Hu, Weijian; Tan, Min; Gao, Bowei
Source: JOURNAL OF APPLIED REMOTE SENSING, 10 10.1117/1.JRS.10.036020 AUG 25 2016
Language: English
Abstract: This paper addresses the design of a low-cost, low-complexity, and rapidly deployable wireless sensor network (WSN) for rescue site monitoring after earthquakes. The system structure of the hybrid WSN is described. Specifically, the proposed hybrid WSN consists of two kinds of wireless nodes, i.e., the monitor node and the sensor node. Then the mechanism and the system configuration of the wireless nodes are detailed. A transmission control protocol (TCP)-based request-response scheme is proposed to allow several monitor nodes to communicate with the monitoring center. UDP-based image transmission algorithms with fast recovery have been developed to meet the requirements of in-time delivery of on-site monitor images. In addition, the monitor node contains a ZigBee module that used to communicate with the sensor nodes, which are designed with small dimensions to monitor the environment by sensing different physical properties in narrow spaces. By building a WSN using these wireless nodes, the monitoring center can display real-time monitor images of the monitoring area and visualize all collected sensor data on geographic information systems. In the end, field experiments were performed at the Training Base of Emergency Seismic Rescue Troops of China and the experimental results demonstrate the feasibility and effectiveness of the monitor system. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
ISSN: 1931-3195
Article Number: 036020
IDS Number: EE8LT
Unique ID: WOS:00038987800001