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Vol. 164, Issue 2, February 2014, pp. 128-135




The Research of Wireless Sensor Network Channel Propagation Model in the Wild Environment

He Yueshuns, Du Ping, Zhang Wei

East China Institute of Technology, No. 418 Guanglan Avenue Nanchang Jiangxi, 330013, China
Tel.: +8579183897658, fax: +8579183897658

E-mail: hys8418@163.com


Received: 29 October 2013 /Accepted: 27 December 2013 /Published: 28 February 2014

Digital Sensors and Sensor Sysstems


Abstract: The survey shows that for the layout environment of wireless network, channel propagation model of wireless network still needs to be improved, especially low altitude propagation channel. In order to effectively study and design any random layout of wireless sensor node on the wild environment, several classic application scenes of wireless network are tested and improved in this paper. Since sample data are fitted by linear regression algorithm based on the method of least square, some meaningful conclusions about low-altitude path loss model are obtained. When antenna height is fully close to surface, thus the loss model of single broken line can be adopted. When antenna height is higher and LOS exists, the double broken line model can be adopted. At the same time other channel parameters related with network design are also measured. Those data provide an important scientific basis for the research of wireless sensor network.


Keywords: Measurement and analysis, Propagation path loss model, Wild environment signal spread, Wireless sensor network, Channel propagation model.


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