NDLI: Spectrum aware virtual coordinates assignment and routing in multihop cognitive radio network

Content Provider	IEEE Xplore Digital Library
Author	Di Li Zhichao Lin Stoffers, M. Gross, J.
Copyright Year	2015
Description	Author affiliation: Sch. of Electr. Eng., R. Inst. of Technol., Stockholm, Sweden (Gross, J.) \|\| Commun. & Distrib. Syst., RWTH Aachen Univ., Aachen, Germany (Di Li; Zhichao Lin; Stoffers, M.)
Abstract	We propose Spectrum Aware Virtual Coordinate (SAViC) for multi hop cognitive radio network (CRN) to facilitate geographic routing. The proposed virtual coordinates (VC) of any two secondary users reflect both geographic distance and opportunistic spectrum availability between them. As a result, geographic routing is able to detour the area affected by licensed users or cut through the area with more available spectrum. According to different spectrum occupation patterns of primary user, two versions of SAViC are designed based on the channel utility and primary user's sojourning time respectively. Simulation shows the proposed virtual coordinate facilitates geographic routing to achieve high success rate of path construction. When duty cycle on the licensed channel is heterogeneous in the network, channel utility based virtual coordinate supports geographic routing to outperform a state-of-the-art geographic routing protocol by 40% on packet delivery ratio. When the channel utility is identical on each secondary node, and the sojourning time of primary users for secondary users are different from each other, SAViC based on primary user's sojourning time achieves significantly shorter delay than other virtual coordinates.
Starting Page	1
Ending Page	9
File Size	1314714
Page Count	9
File Format	PDF
ISBN	9783901882685
DOI	10.1109/IFIPNetworking.2015.7145337
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-20
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	IFIP
Subject Keyword	Radiation detectors Euclidean distance Routing Frequency measurement Cognitive radio
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
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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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