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A Routing Framework for Delay Tolerant Networks Based on Encounter Angle

Cao, Y, Cruickshank, HS and Sun, Z (2011) A Routing Framework for Delay Tolerant Networks Based on Encounter Angle In: 7th International Wireless Communications and Mobile Computing Conference, IWCMC 2011, 2011-07-04 - 2011-07-08, Istanbul, Turkey.

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Abstract

The concept of Delay Tolerant Networks (DTNs) has been utilized for wireless sensor networks, mobile ad hoc networks, interplanetary networks, pocket switched networks and suburb networks for developing region. Because of these application prospects, DTNs have received attention from academic community. Whereas only a few state of the art routing algorithms in DTNs address the problem of aborted messages due to the insufficient encounter duration. In order to reduce these aborted messages, we propose a routing framework which consists of two optional routing functions. Specifically, only one of them is activated according to the encounter angle between pairwise nodes. Besides, the copies of the undelivered message carried by most of the nodes in the network are more likely to be cleared out after successful transfer, which reduces the number of unnecessary transmissions for message delivery. By means of the priority for message transmission and deletion in case of the limited network resource, the proposed algorithm achieves the high delivery ratio with low overhead as well as less number of aborted messages due to the insufficient encounter duration, thus is more energy efficient.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Authors :
AuthorsEmailORCID
Cao, YUNSPECIFIEDUNSPECIFIED
Cruickshank, HSUNSPECIFIEDUNSPECIFIED
Sun, ZUNSPECIFIEDUNSPECIFIED
Date : 11 August 2011
Identification Number : 10.1109/IWCMC.2011.5982776
Contributors :
ContributionNameEmailORCID
PublisherIEEE, UNSPECIFIEDUNSPECIFIED
Additional Information : © 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Depositing User : Symplectic Elements
Date Deposited : 08 Feb 2013 10:27
Last Modified : 23 Sep 2013 19:59
URI: http://epubs.surrey.ac.uk/id/eprint/745939

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