Node Placement Strategies to Prolong Lifetime in One-Dimensional Linear Wireless Sensor Network

Abstract:

We investigate the node distribution strategy in one-dimensional linear wireless sensor networks(WSNs), which aims to avoid the energy hole around the sink. We set up the network model and analyze the energy consumption factors, such as data compression and aggregation, and propose energy balance strategies due to different placement scenarios. In the uniform node distribution scenerio, based on selected optimal hop distance, we can add more backup batteries to some nodes to balance the sensors‘ lifetime. In the hop distance variable scenario, we can select different optimal hop lengths. Simulation results show that, in a WSN with linear topology, aggregation and compression should be supplied with backup battery to balance energy consumptions and to maximize the network lifetime.

• Periodical: Applied Mechanics and Materials (Volumes 55-57)
• Pages: 1705-1710
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.55-57.1705
• Online since: May 2011
• Authors: Guang Song Yang, Ming Bo Xiao
• Keywords: Energy Efficient, Node Placement Strategy, Wireless Sensor Network (WSN)

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