NDLI: Energy-efficient reporting scheme for cooperative spectrum sensing

Content Provider	IEEE Xplore Digital Library
Author	Althunibat, S. Granelli, F.
Copyright Year	2013
Description	Author affiliation: DISI, Univ. of Trento, Trento, Italy (Althunibat, S.; Granelli, F.)
Abstract	Cooperative spectrum sensing (CSS) has been proposed in order to improve the reliability of the spectrum occupancy decision in cognitive radio networks. There are two well-known schemes for cooperation among cognitive users (CUs), soft scheme (SS) and hard scheme (HS). In SS the exact local sensing result is reported to a Fusion Center (FC), usually by quantizing it with a large number of bits. In contrast, only one bit is used in HS to convey the local sensing result to the FC. The difference in the number of reported bits results in high accuracy in SS and low energy consumption in HS. In this paper, we propose a novel scheme that gets benefits from both schemes, where the proposed scheme uses only one bit, as in HS, and provides high accuracy, almost as in SS. In the proposed scheme, each CU reports only one bit on a time slot related to its actual sensing results. At the FC, the arrival time of a single bit represents the sensing result of the reporting CU. Simulation results show that our proposal outperforms both HS and SS in terms of detection accuracy and energy efficiency.
Sponsorship	IEEE Commun. Soc.
Starting Page	28
Ending Page	32
File Size	516602
Page Count	5
File Format	PDF
ISBN	9781467349192
DOI	10.1109/CAMAD.2013.6708083
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-25
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy consumption Accuracy Throughput Sensors Cognitive radio Proposals Cascading style sheets
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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