NDLI: Threshold-based opportunistic routing protocol in multi-hop wireless networks

Content Provider	IEEE Xplore Digital Library
Author	Chun Pong Luk Wing Cheong Lau On Ching Yue
Copyright Year	2010
Description	Author affiliation: The Chinese University of Hong Kong, Hong Kong (Chun Pong Luk; Wing Cheong Lau; On Ching Yue)
Abstract	Unlike traditional unicast routing where a transmitting node needs to specify its single next-hop forwarder in a multi-hop wireless networks in an a priori manner, Opportunistic Routing allows multiple potential next-hop forwarders to be selected. Any selected node may forwards the packet towards the destination if it can decode the packet correctly. Existing opportunistic routing protocols tend to limit the size of the forwarding set for each transmitting node due to the communication overheads required to suppress unnecessary packet duplicates generated by multiple eligible next-hop forwarders. As such, they fail to capitalize on the key advantage of opportunistic routing, namely, the ability to utilize a large number of long but unreliable wireless links in progressing towards the destination. In this paper, we propose TORP, the Threshold-based Opportunistic Routing Protocol, which applies a novel threshold-based forwarding technique to reduce the coordination requirements between multiple potential next-hop nodes. This in turn, enables TORP to exploit the advantage of using numerous distant downstream nodes as next-hop forwarders. Simulation results show significant improvements in the end-to-end delay and total traffic load generated by TORP over unicast routing. Compared with the state-of-the-art ExOR protocol, TORP reduces the average end-to-end delays by 25–40% under typical network configurations and has the advantage of being more amenable to a fully-distributed implementation.
Starting Page	1
Ending Page	6
File Size	514878
Page Count	6
File Format	PDF
ISBN	9781424475971
e-ISBN	9781424475964
DOI	10.1109/WOCC.2010.5510613
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Filters Unicast Wireless networks Spread spectrum communication Telecommunication traffic Routing protocols Iterative algorithms Decoding Relays Delay
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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