NDLI: Channel assignment in cognitive wireless mesh networks

Content Provider	IEEE Xplore Digital Library
Author	Alsarahn, A. Agarwal, A.
Copyright Year	2009
Description	Author affiliation: Department of Electrical & Computer Engineering, Concordia University, Montreal, Quebec, Canada (Alsarahn, A.; Agarwal, A.)
Abstract	In this paper we consider a cognitive wireless mesh network where unlicensed users (secondary users, SUs) can use the unused licensed spectrum allocated to primary users (PUs). Wireless mesh networks (WMNs) have emerged recently to improve internet access and other networking services. WMNs routers provide network access to the clients and other networking functions such as routing, and packet forwarding. Spectrum scarcity is the main challenge that limits the performance of WMNs. Although considerable research has been conducted on spectrum allocation, spectrum assignment is still considered an important open problem. This problem can be solved using cognitive radio technology that allows radios to intelligently locate free frequencies and assign them to users. In addition to consider quality of service (QoS) of users, our scheme uses several heuristics for allocating channels. These heuristics include channel error rate, PUs activities, channel capacity and channel switching time. Performance evaluation of the proposed scheme shows that the scheme is able to allocate the unused spectrum for SUs efficiently.
Starting Page	1
Ending Page	3
File Size	1096443
Page Count	3
File Format	PDF
ISBN	9781424459896
ISSN	21531684
e-ISBN	9781424459919
DOI	10.1109/ANTS.2009.5409893
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-14
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spectrum Sharing Channel capacity Cognitive Radio Spectrum Management Interference Quality of service Wireless Mesh Networks Cognitive radio Spectrum Allocation Wireless mesh networks Web and internet services Chromium Channel allocation Frequency IP networks
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
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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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