NDLI: Cluster-based cooperative spectrum sensing for cognitive radio under bandwidth constraints

Content Provider	IEEE Xplore Digital Library
Author	Zhiquan Bai Li Wang Haixia Zhang Kyungsup Kwak
Copyright Year	2010
Description	Author affiliation: School of Information Science and Engineering, Shandong University, Jinan 250100, China (Zhiquan Bai; Li Wang; Haixia Zhang) \|\| UWB Wireless Communications Research Center (INHA UWB-ITRC), Inha University, 402-751, Korea (Kyungsup Kwak)
Abstract	Cooperative spectrum sensing is investigated for the purpose of detecting the primary user accurately in cognitive radio systems. As the report channel between cognitive users and fusion center experiences fading or shadowing, a cluster based cooperative sensing method is proposed to improve the sensing performance. However, when the number of the cognitive users in each cluster increases, the bandwidth for reporting the sensing results to the cluster head will be very enormous. In this paper, we assume that the cognitive users with enough information in each cluster will send their sensing results to the cluster head so as to decrease the number of sensing bits when performing spectrum sensing. The spectrum efficiency is also studied. Simulation results show that, by using this fusion method in spectrum sensing, the average number of sensing bits decreases greatly at the cost of a little loss in the performance of spectrum sensing.
Starting Page	569
Ending Page	573
File Size	590339
Page Count	5
File Format	PDF
ISBN	9781424470044
e-ISBN	9781424470068
DOI	10.1109/ICCS.2010.5686707
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-11-17
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensors Bandwidth Cognitive radio Receivers Nickel Artificial neural networks Simulation Bandwidth constraints Cooperative spectrum sensing clustering
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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