NDLI: Multicast With Intraflow Network Coding in Multirate Multichannel Wireless Mesh Networks

Content Provider	IEEE Xplore Digital Library
Author	Lin, K.C.-J. De-Nian Yang
Copyright Year	1967
Abstract	It has been shown that intraflow network coding (NC) can improve the multicast throughput in single-channel single-rate wireless mesh networks. Most existing studies focus on developing a practical intraflow NC multicast protocol. With the rise of wireless products supporting multirate multichannel communications nowadays, it has become increasingly important to improve the NC gain by utilizing multiple bit rates and nonoverlapping channels, but new challenges have also arisen due to various tradeoffs. In a multirate multichannel multihop network, overhearing opportunities and bandwidth utilization are highly correlated to the selection of the channel and rate, which in turn determines the achievable throughput of multicast with intraflow NC. Specifically, wireless nodes can transmit at higher bit rates over orthogonal channels to increase the forwarding throughput, but the strategy reduces overhearing opportunities and the coding gain in multicast with intraflow NC. To achieve the best tradeoff between the given two aspects, we formulate a new optimization model called multirate multichannel multicast with intraflow NC (RCMNC), which solves the joint channel assignment, rate selection, and flow allocation problems for multihop intraflow NC multicast. We then reformulate the primal problem as the Lagrangian dual problem and propose an algorithm to approximate the solution of the dual problem in polynomial time. Simulation results show that, by assigning a suitable rate and channel to each network interface, the multicast throughput with intraflow NC under RCMNC is up to 3.3 times higher than that achieved by the existing approach in a multirate multichannel wireless mesh network.
Sponsorship	IEEE Vehicular Technology Society
Starting Page	3913
Ending Page	3927
Page Count	15
File Size	854389
File Format	PDF
ISSN	00189545
Volume Number	62
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Bit rate Resource management Wireless communication Relays Channel allocation Mesh networks wireless mesh networks (WMNs) Intraflow network coding (NC) multicast subgradient algorithm
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Automotive Engineering Computer Networks and Communications Electrical and Electronic Engineering Aerospace Engineering

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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