NDLI: RLHOR: Reliability-aware location and history based opportunistic routing

Content Provider	IEEE Xplore Digital Library
Author	Barootkar, M. Rahbar, A.G.
Copyright Year	2012
Description	Author affiliation: Computer Networks Research Lab, Electrical Engineering Technologies Research Center, Sahand University of Technology, Tabriz, Iran (Barootkar, M.; Rahbar, A.G.)
Abstract	Recently, routing in Vehicular Ad hoc Networks (VANETs) has found significant attention. Besides, since these networks are highly dynamic and their topologies change rapidly, design of routing algorithms suitable for an urban environment is extremely challenging. Appropriate algorithms for urban environments could be opportunistic routing algorithms in which traffic transmission from source vehicles to destination vehicles is performed using the store-carry and forward mechanism. Most of the existing opportunistic routing algorithms use the flooding mechanism for increasing delivery ratio without considering the overheads of flooding. Thus, in order to reduce the overhead in these methods and improve the performance of routing in VANET, choosing an appropriate node to send messages and determining priority of messages for transmission will be very important. An efficient opportunistic routing (OR) mechanism, called Reliability-Aware Location and History Based Opportunistic Routing (RLHOR) is proposed in this paper for improving overhead. The RLHOR searches for a stable path by evaluating the stability of intermediate links based on lifetime of links, location and direction of intermediate vehicles, and history of intermediate vehicles in message delivery. Using the ONE simulator, our performance evaluation results show that the RLHOR operates better than conventional opportunistic routing algorithms. The RLHOR not only increases delivery rate, but also reduces network overhead, traffic loss, and number of aborted messages in sparse scenario.
Starting Page	626
Ending Page	631
File Size	350115
Page Count	6
File Format	PDF
ISBN	9781467320726
e-ISBN	9781467320733
DOI	10.1109/ISTEL.2012.6483064
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-06
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis local and global knowledge opportunistic routing Vehicular ad hoc networks direction and location aware routing Routing Vectors Delays History carry-and-forward stable path Vehicles
Content Type	Text
Resource Type	Article

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