NDLI: Transmission Scheduling for Routing Paths in Cognitive Radio Mesh Networks

Content Provider	IEEE Xplore Digital Library
Author	Mumey, B. Xia Zhao Jian Tang Wolff, R.
Copyright Year	2010
Abstract	Nodes in a cognitive radio mesh network may select from a set of available channels to use provided they do not interfere with primary users. This ability can improve overall network performance but introduces the question of how best to use these channels. This paper addresses the following specific problem: given a routing path P, choose which channels each link in P should use and their transmission schedule so as to maximize the end-to-end data flow rate (throughput) supported by the entire path. This problem is relevant to applications such as streaming video or data where a connection may be long lasting and require a high constant throughput. The problem is hard to due the presence of both intraflow and inter-flow interference. We have developed a new constant-factor approximation algorithm for this problem. If certain natural conditions on the path are met, the performance guarantee is 1/4 of optimal. It has been shown by simulation results that the end-to-end throughput given by the proposed algorithm is often within 90% or better of optimal.
Starting Page	1
Ending Page	8
File Size	285216
Page Count	8
File Format	PDF
ISBN	9781424471508
e-ISBN	9781424471515
DOI	10.1109/SECON.2010.5508242
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-21
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing Cognitive radio Mesh networks Throughput Interference Communications Society Streaming media Wireless mesh networks Telecommunication traffic Quality of service
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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