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Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan


Department of Engineering Science, National Cheng Kung University, Tainan, Taiwan


Department of Computer Science & Information Engineering, National Dong Hwa University, Hualien, Taiwan


Department of Information Management, Naval Academy, Kaohsiung, Taiwan


Author to whom correspondence should be addressed.

Abstract Current research on routing in wireless sensor computing concentrates on increasing the service lifetime, enabling scalability for large number of sensors and supporting fault tolerance for battery exhaustion and broken nodes. A sensor node is naturally exposed to various sources of unreliable communication channels and node failures. Sensor nodes have many failure modes, and each failure degrades the network performance. This work develops a novel mechanism, called Reliable Routing Mechanism RRM, based on a hybrid cluster-based routing protocol to specify the best reliable routing path for sensor computing. Table-driven intra-cluster routing and on-demand inter-cluster routing are combined by changing the relationship between clusters for sensor computing. Applying a reliable routing mechanism in sensor computing can improve routing reliability, maintain low packet loss, minimize management overhead and save energy consumption. Simulation results indicate that the reliability of the proposed RRM mechanism is around 25% higher than that of the Dynamic Source Routing DSR and Ad hoc On-demand Distance Vector routing AODV mechanisms. View Full-Text

Keywords: reliability; sensor computing; cluster mechanism; routing algorithm; service lifetime reliability; sensor computing; cluster mechanism; routing algorithm; service lifetime

Autor: Jiann-Liang Chen 1, Yi-Wei Ma 2, Chia-Ping Lai 3, Chia-Cheng Hu 4 and Yueh-Min Huang 2,*



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