NDLI: Spectrum monitoring in heterogeneous cognitive radio network: How to cooperate?

Content Provider	IET Digital Library
Author	Thakur, Prabhat Kumar, Alok Pandit, Shweta Singh, Ghanshyam Satashia, Samji N.
Abstract	The spectrum-monitoring is a prominent technique to detect the reappearance of the primary user (PU) during the cognitive users’ (CUs) data transmission. However, the imperfect spectrum monitoring (SM) causes a delay in the identification of PU that introduces interference at PU as well as data-loss. The cooperation among CUs for SM is a proficient solution to diminish these impairments of imperfection. Thus, in this study, a scenario of the heterogeneous cognitive radio network (CRN) is presented in which the CUs perform cooperation among them for SM and have analysed the impact of cooperation on several performance metrics such as the data-loss, interference efficiency and energy efficiency. An algorithm is presented for the evaluation of data-loss for different circumstances of the traffic intensity of PU and probability of SM error in the proposed heterogeneous CRN. In addition to this, the closed-form expressions for the cooperative and non-cooperative SM of these metrics are derived. Furthermore, the simulation results are illustrated for different state-of-affairs of the probability of SM error and traffic intensity.
Starting Page	2110
Ending Page	2118
Page Count	9
ISSN	17518628
Volume Number	12
e-ISSN	17518636
Issue Number	Issue 17, Oct (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/12/17
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5457
Journal	IET Communications
Publisher Date	2018-07-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Cognitive Radio Cognitive User CUs Heterogeneous Cognitive Radio Network Heterogeneous CRN Imperfect Spectrum Monitoring Interference Efficiency Performance Metrics Primary User Probability PU Radio Link And Equipment Radio Network SM Error Statistics
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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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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