NDLI: Content Encounter Probability Based Message Forwarding in Opportunistic Networks

Content Provider	IEEE Xplore Digital Library
Author	Liu Yazhi Niu Jianwei Ma Jian
Copyright Year	2009
Abstract	Opportunistic Network is a special kind of mobile Ad Hoc network in which communication nodes are sparsely distributed in the network area and the communicating opportunities between the nodes are created by the moving and encounter of the nodes. Achieving reliable data transmission in Opportunistic Networks is a great challenging task because there is no contemporaneous path between source and destination nodes. In this paper, to achieve more efficient Pub/Sub service, a content-based routing scheme, called Content Encounter Probability based Message Forwarding in Opportunistic Network (CEPMF), is proposed. In CEPMF, predicates are used to propagate the interests of subscribers into the network, and the predicates are tagged with utilities indicating the priority of the node to relay a specific content message. Content messages are transmitted to the nodes with a predicate that matches the content message and has a high utility value. The relay node also merges predicate-utility pairs whose intersection is not empty to improve its buffer efficiency. The evaluation results show that CEPMF outperforms SW and SF scheme by 10% in delivery ratio and by 15% in buffer efficiency.
Starting Page	2589
Ending Page	2594
File Size	315146
Page Count	6
File Format	PDF
ISBN	9781424449095
e-ISBN	9781424457281
DOI	10.1109/ICISE.2009.426
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer science Information science Spraying Broadcasting Routing Mobile communication Data communication Telecommunication network reliability Relays Mobile ad hoc networks
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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