NDLI: A Novel Multi-Bit Decision Adaptive Cooperative Spectrum Sensing Algorithm Based on Trust Valuations in Cognitive OFDM System

Content Provider	IEEE Xplore Digital Library
Author	Jia Min Wang Xinyu Guo Qing Gu Xuemai Yu Zengyuan
Copyright Year	2014
Description	Author affiliation: Commun. Res. Center, Harbin Inst. of Technol., Harbin, China (Jia Min; Wang Xinyu; Guo Qing; Gu Xuemai; Yu Zengyuan)
Abstract	Cognitive radio has outstanding advantages in solving scarcity of spectrum resource and low utilization rate of spectrum in current wireless communication. Spectrum sensing method in multi-bit decision model can effectively improve the detection performance when comparing with the conventional 1- bit decision model. Aiming at the actual scenarios that there may exist malicious users in the network, this paper proposes a multi- bit decision adaptive cooperative spectrum sensing algorithm based on trust valuations. In this algorithm, each cognitive user firstly makes local decision, and then the fusion center proceeds weighted fusion and makes the final decision. Moreover, the increment of each cognitive user's trust valuation is obtained according to the difference between its local decision and all cognitive nodes' weighted average decision results, and then to update each cognitive user's trust valuation. Furthermore, the weighted coefficient for the next detection using each cognitive user's trust valuation is obtained. The simulation results show that the system performance of detection probability, the system false dismissal probability and the system error probability can be improved. And the proposed algorithm can effectively improve the detection performance when there existing individual malicious users, especially to the system false alarm probability is constant.
Starting Page	1
Ending Page	5
File Size	261761
Page Count	5
File Format	PDF
ISBN	9781479944491
DOI	10.1109/VTCFall.2014.6965829
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-14
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cost accounting Sensors OFDM Cognitive radio Error probability Linear programming Adaptive systems
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