An Adaptive Location Updates and Propagation Scheme for Mobile Sinks

Abstract:

Mobile sink can be used to balance energy consumption of sensor nodes in Wireless Sensor Networks (WSNs). Sink is required to inform sensors about its new location information whenever necessary. However, frequent location updates of mobile sink can lead to both rapid energy consumption of sensor nodes and increased collisions in wireless transmissions. We propose ALUPS (A New Solution with Adaptive Location Update and Propagation Scheme) for mobile sinks to resolve this problem. When a sink moves, it only needs to broadcast its location information within a local adaptive area other than among the entire network. The overhearing feature of wireless transmission is employed when the adaptive location information is transferred. Compared with LURP (Local update-based routing protocol in wireless sensor networks with mobile sinks) and SLPS (Simple Location Propagation Scheme for Mobile Sink in Wireless Sensor Networks), ALUPS performs better both in low energy consumption and success delivery ratio.

• Periodical: Applied Mechanics and Materials (Volumes 44-47)
• Pages: 772-776
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.44-47.772
• Online since: December 2010
• Authors: Shi Qiang Ma, Xiao Gang Qi
• Keywords: Adaptive Location, Mobile Sink, Overhearing, Wireless Sensor Network (WSN)

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