NDLI: Priority-list-based opportunistic cooperation — a general framework with cost-aware utility

Content Provider	IEEE Xplore Digital Library
Author	Zhengqing Hu Chen-Khong Tham
Copyright Year	2011
Description	Author affiliation: Dept of ECE, National University of Singapore (Zhengqing Hu; Chen-Khong Tham)
Abstract	Cooperation can greatly improve the performance of wireless networks, but not all the time. Due to the dynamics of the wireless network and incomplete information, in many cases, only some uncertain opportunities of cooperation can be found. When these situations arise, opportunistic cooperation techniques, such as algorithms for opportunistic routing, opportunistic spectrum sharing etc. have been designed and studied. Although these techniques have been designed for different problems, the fundamental strategies are similar. One of these strategies, studied in this paper, is the use of a priority list to facilitate cooperation. By studying the benefits and costs incurred in the cooperation process, we propose a general framework to calculate and predict the long term benefits and costs of using a priority list for cooperation. We then unify both benefits and costs into a single metric called cost-aware utility (CAU). In this paper, an algorithm with polynomial time complexity is derived to find the priority list which can give the optimal CAU. We analyze and compare the performance of several priority list-based opportunistic methods in the literature with the CAU-based optimal priority list, for an opportunistic forwarding scenario in an IEEE 802.11g network. Our results show that the proposed CAU-based algorithm discovers an optimal priority list that leads to significantly better network performance than other algorithms such as legacy WiFi and AnyCast.
Starting Page	814
Ending Page	819
File Size	415585
Page Count	6
File Format	PDF
ISBN	9781612842554
ISSN	15253511
e-ISBN	9781612842547
DOI	10.1109/WCNC.2011.5779237
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-03-28
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Algorithm design and analysis Indexes Wireless networks Delay
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
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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