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http://dx.doi.org/10.5391/JKIIS.2012.22.1.108

Partial Path Selection Method in Each Subregion for Routing Path Optimization in SEF Based Sensor Networks  

Park, Hyuk (성균관대학교 정보통신공학부)
Cho, Tae-Ho (성균관대학교 정보통신공학부)
Publication Information
Journal of the Korean Institute of Intelligent Systems / v.22, no.1, 2012 , pp. 108-113 More about this Journal
Abstract
Routing paths are mightily important for the network security in WSNs. To maintain such routing paths, sustained path re-selection and path management are needed. Region segmentation based path selection method (RSPSM) provides a path selection method that a sensor network is divided into several subregions, so that the regional path selection and path management are available. Therefore, RSPSM can reduce energy consumption when the path re-selection process is executed. However, it is hard to guarantee optimized secure routing path at all times since the information using the path re-selection process is limited in scope. In this paper, we propose partial path selection method in each subregion using preselected partial paths made by RSPSM for routing path optimization in SEF based sensor networks. In the proposed method, the base station collects the information of the all partial paths from every subregion and then, evaluates all the candidates that can be the optimized routing path for each node using a evaluation function. After the evaluation process is done, the result is sent to each super DN using the global routing path information (GPI) message. Thus, each super DN provides the optimized secure routing paths using the GPI. We show the effectiveness of the proposed method via the simulation results. We expect that our method can be useful for the improvement of RSPSM.
Keywords
Sensor network; False report injection attack; SEF; Secure routing path selection; Routing path optimization;
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