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Design and Performance Verification of Dynamic Load Aware Geographic Routing Protocol in IEEE 802.15.4a Networks

Title
Design and Performance Verification of Dynamic Load Aware Geographic Routing Protocol in IEEE 802.15.4a Networks
Authors
Kim, Young-DukKwon, SoonSon, Joon-WooKim, Dongkyun
DGIST Authors
Kim, Young-DukKwon, SoonSon, Joon-Woo
Issue Date
2014
Citation
International Journal of Distributed Sensor Networks
Type
Article
Article Type
Article
Keywords
Better PerformanceComputer SimulationDynamic LoadsGeographic Routing ProtocolsGeographical RoutingGeographical Routing ProtocolPacket Delivery RatioPerformance VerificationRouting ProtocolsSensor NodesShortest Path FirstsSimulation VerificationTraffic Congestion
ISSN
1550-1329
Abstract
Although the IEEE 802.15.4a network provides accuracy localization for sensor nodes, it still suffers from congestion and bottleneck problems since the data traffic tends to concentrate on a certain intermediate node due to the shortest path first criteria when it utilizes a greedy routing method. Furthermore, the limited network bandwidth and node mobility features exacerbate this problem in wireless sensor networks with tiny sensor platforms. In this paper, we propose a new dynamic load aware geographical routing protocol, named DLAG, which periodically monitors the channel condition of each node and forwards a packet to the neighboring node with the least traffic load by defining new buffer threshold values for controlling the congestion. In addition, the proposed protocol also introduces traffic adaptive backoff and frame retransmission tuning techniques to provide prioritized channel access for congested nodes. In order to verify the performance of the proposed protocol, we conduct simulation verification experiments and the results show that the proposed protocol provides better performance than the legacy geographical routing schemes in terms of packet delivery ratio, end-to-end delay, network lifetime, and so forth. © 2014 Young-Duk Kim et al.
URI
http://hdl.handle.net/20.500.11750/5279
DOI
10.1155/2014/848475
Publisher
HINDAWI PUBLISHING CORPORATION
Related Researcher
Files:
There are no files associated with this item.
Collection:
Convergence Research Center for Future Automotive Technology1. Journal Articles
Companion Diagnostics and Medical Technology Research Group1. Journal Articles


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