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http://dx.doi.org/10.7840/KICS.2012.37B.1.21

A Robust Disjoint Multipath Scheme based on Geographic Routing in Irregular Wireless Sensor Networks  

Kim, Sung-Hwi (충남대학교 컴퓨터공학과 컴퓨터네트워크 연구실)
Park, Ho-Sung (충남대학교 컴퓨터공학과 컴퓨터네트워크 연구실)
Lee, Jeong-Cheol (충남대학교 컴퓨터공학과 컴퓨터네트워크 연구실)
Oh, Seung-Min (충남대학교 컴퓨터공학과 컴퓨터네트워크 연구실)
Kim, Sang-Ha (충남대학교 컴퓨터공학과 컴퓨터네트워크 연구실)
Abstract
Sensor networks are composed of a great number of sensor nodes with constrained battery. Disjoint multipath scheme based flooding method has a merit that efficiently construct multipath in irregular networks, but causes lots of energy consumption in networks. Flooding method is not a suitable technology in wireless sensor networks with constrained battery. We introduce energy-efficient geographic routing scheme considered as an efficient, simple, and scalable routing protocol for wireless sensor networks. The geographic routing scheme on multipath generates a problem with a congestion. So we introduce the concept of multipath pipeline as a congestion avoidance strategy. But multipath pipelines have a big problem on the boundary of holes under irregular networks. We propose a novel disjoint multipath scheme as combined method with geographic routing scheme and hole detouring algorithm on multipath. A novel disjoint multipath scheme constructs disjoint multipath pipelines efficiently for reliability without a collision in irregular wireless sensor networks. Simulation results are provided to validate the claims.
Keywords
Disjoint Multipath; Geographic Routing; Wireless Sensor Networks; Irregular Networks; Hole Detouring;
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