Efficient sensor node deployment schemes for AOFSN

Efficient sensor node deployment schemes for AOFSN,10.1109/APCC.2010.5679994,Li-Mei Peng,Chan-Hyun Youn,Xin-Wan Li

Efficient sensor node deployment schemes for AOFSN  
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In this paper, the sensor node deployment schemes are studied for the all optical fiber sensor networks (AOFSN). Sensor node deployment strategy is very crucial to the sensing efficiency in terms of the high sensing accuracy and low sensing cost, etc. High sensing accuracy requires high coverage ratio and low blind ratio, while low sensing cost requires fewer amounts of sensor nodes/switches and low overlapping ratio. Given the above requirements, we apply the concept of close packing and propose two-dimensional Close-Packing based Sensor node Deployment (2-D CPSD) scheme, and the two-dimensional Closest-Packing Sensor node Deployment (2-D CestPSD) scheme. Then the CestPSD scheme is extended to a three-dimensional application and is named as 3-D CestPSD. The AOFSN applying the 2-D/3-D CestPSD schemes can obtain the maximum coverage, minimum blind ratio under the premise of maintaining no overlapping ratio between any two nodes' sensing range. The network performances are numerically analyzed and compared with some other node distribution schemes in terms of coverage ratio, overlapping ratio, blind ratio, and node density.
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