NDLI: Multiband channel restoration scheme for opportunistic spectrum access in cognitive radio

Content Provider	IEEE Xplore Digital Library
Author	Modi, B. Singh, S.
Copyright Year	2013
Description	Author affiliation: ABV-IIITM, Gwalior, India (Modi, B.) \|\| IIITDM, Jabalpur, India (Singh, S.)
Abstract	Cognitive Radio (CR) is an approach for efficient spectrum utilization by the secondary user. But as the channel quality degrades due to environmental effects such as fading or the primary users' reaccess of the channel, the secondary user has to vacate the channel. After that secondary user has to start restoration by searching and sensing other channels. Restoration is done with an objective of finding the best channel in shortest possible time to enhance the CR users' throughput. In this paper, we propose a multiband restoration scheme so that the throughput of the CR is increased and the number of channels to be sensed get reduced to a great extent as compared to single channel restoration scheme and the Threshold First (TF) scheme as well. In this scheme, two or more channels are sensed at a time for the implementation of restoration scheme. Simulation results are showing the improvements in throughput as well as the reduction of the number of channels to be sensed with the multiband restoration scheme.
Starting Page	1
Ending Page	5
File Size	1293174
Page Count	5
File Format	PDF
ISSN	21517703
e-ISBN	9781467359993
DOI	10.1109/WOCN.2013.6616227
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-26
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading restoration scheme Simulation Switches Markov chain model Markov processes Throughput Sensors spectrum access Cognitive radio Cognitive radio networks
Content Type	Text
Resource Type	Article

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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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