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Sensors 2015, 15(6), 13222-13241; doi:10.3390/s150613222

Region-Based Collision Avoidance Beaconless Geographic Routing Protocol in Wireless Sensor Networks

1
Department of Computer Science, University of California, Los Angeles, CA 90095, USA
2
Department of Informatics, Research Center for Aerospace Parts Technology, Gyeongsang National University, Jinju 660-701, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Leonhard M. Reindl
Received: 31 March 2015 / Revised: 31 May 2015 / Accepted: 2 June 2015 / Published: 5 June 2015
(This article belongs to the Section Sensor Networks)
View Full-Text   |   Download PDF [1980 KB, uploaded 5 June 2015]   |  

Abstract

Due to the lack of dependency on beacon messages for location exchange, the beaconless geographic routing protocol has attracted considerable attention from the research community. However, existing beaconless geographic routing protocols are likely to generate duplicated data packets when multiple winners in the greedy area are selected. Furthermore, these protocols are designed for a uniform sensor field, so they cannot be directly applied to practical irregular sensor fields with partial voids. To prevent the failure of finding a forwarding node and to remove unnecessary duplication, in this paper, we propose a region-based collision avoidance beaconless geographic routing protocol to increase forwarding opportunities for randomly-deployed sensor networks. By employing different contention priorities into the mutually-communicable nodes and the rest of the nodes in the greedy area, every neighbor node in the greedy area can be used for data forwarding without any packet duplication. Moreover, simulation results are given to demonstrate the increased packet delivery ratio and shorten end-to-end delay, rather than well-referred comparative protocols. View Full-Text
Keywords: region-based collision avoidance; beaconless geographic routing protocol; wireless sensor networks region-based collision avoidance; beaconless geographic routing protocol; wireless sensor networks
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lee, J.; Park, H.; Kang, S.; Kim, K.-I. Region-Based Collision Avoidance Beaconless Geographic Routing Protocol in Wireless Sensor Networks. Sensors 2015, 15, 13222-13241.

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