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Proceedings of 2010 Cross-Strait Conference on Information Science and Technology (CSCIST 2010 E-BOOK)

Qinhuangdao,China,7.9-7.13，2010

ISBN: 978-1-935068-15-0 Scientific Research Publishing, USA

E-Book 840pp Pub. Date: July 2010

Category: Computer Science & Communications

Price: $120

Title: LEG: A Lightweight and Efficient Geocasting Protocol for Location-Free Wireless Sensor Networks
Source: Proceedings of 2010 Cross-Strait Conference on Information Science and Technology (CSCIST 2010 E-BOOK) (pp 216-220)
Author(s): Shengshih Wang, Department of Information Management, Minghsin University of Science and Technology, Hsinchu
Huimei Yang, Department of Information Management, Minghsin University of Science and Technology, Hsinchu
Chiehju Chao, Department of Information Management, Minghsin University of Science and Technology, Hsinchu
Abstract: This paper proposes a lightweight and efficient geocasting (LEG) protocol for location-free wireless sensor networks (LF-WSNs), in that each sensor node only possesses the geographical information, such as direction and distance. In LEG, each sensor node depends on the direction and distance of itself and the region of interest (ROI) to determine whether it should forward the received packet, as it receives a geocast packet. A sensor node must forward the packet only if its direction and the direction of ROI are identical. As preventing from packet flooding, LEG significantly diminish energy consumption of sensor nodes. Simulation results illustrate that compared to the flooding scheme LEG significantly reduces the number of packets generated during although decreasing the packet delivery ratio.
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