NDLI: PG-Sensing: Progressive Out-of-Band Spectrum Sensing for Cognitive Radio

Content Provider	IEEE Xplore Digital Library
Author	Kyungtae Kim Yan Xin Rangarajan, S.
Copyright Year	2011
Abstract	One of the major challenges in cognitive radio networks is to maintain the quality of service (QoS) for secondary transmissions while ensuring the protection of primary users PUs); the latter requirement is normally enabled through inband spectrum sensing. To maintain QoS of secondary traffic, a secondary user (SU) has to quickly switch to another empty spectrum band when a PU returns to its currently occupied spectrum by SU. The issue of how to quickly and accurately identify a free spectrum band when the operating spectrum band becomes unavailable is of practical interest; out-of-band spectrum sensing is a mechanism that can be leveraged for this purpose. In this paper, we propose a novel progressive out-of-band spectrum sensing (PG-Sensing) scheme that consists of two components, 1) progressive scanning which adaptively selects a subset of the available candidate spectrum bands which have a higher chance of being empty, and 2) multiband sequential shifted chi-squared test (SSCT) based searching that searches only the set of selected spectrum bands in the first step. The proposed PGsensing scheme significantly reduces the time to resume secondary transmissions thus allowing SUs to reliably and quickly switch to a free spectrum band when necessary while maintaining good QoS for PUs as well as SUs.
Starting Page	1
Ending Page	5
File Size	270499
Page Count	5
File Format	PDF
ISBN	9781424492664
ISSN	1930529X
e-ISBN	9781424492688
e-ISBN	9781424492671
DOI	10.1109/GLOCOM.2011.6134443
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensors Quality of service Switches Cognitive radio Signal to noise ratio Reliability IEEE Communications Society
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
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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