NDLI: Coexistence region analysis in cognitive radio networks

Content Provider	IEEE Xplore Digital Library
Author	Bo He Giorgetti, A. Chiani, M.
Copyright Year	2011
Description	Author affiliation: WiLAB/DEIS, University of Bologna, Via Venezia 52, 47521, Cesena, Italy (Giorgetti, A.; Chiani, M.) \|\| School of Information Science and Engineering, Shandong University, Jinan, China (Bo He)
Abstract	We consider the coexistence between a primary user (PU) communication and cognitive users (CUs) in realistic propagation environments characterized by path loss, log-normal shadowing, and Rayleigh fading. The scenarios considered envisage two situations: the first with one CU, the second with a cognitive radio network (CRN), composed of several CUs. In the latter scenario, to account for the spatial distribution of nodes the CUs are assumed spatially distributed according to a Poisson point process. In both scenarios, we characterize the statistical distribution of the interference and, based on this, we evaluate the outage probability of the PU communication. The outage probability will then provide the required minimum radius inside which CUs communication must not be allowed, to prevent PU outage. Such minimum radius identifies a disk called exclusion region (ER), and its complement called coexistence region. The analytical framework developed, which shows the relationship between the PU outage probability, the ER, and other system parameters, is helpful for the network designer to understand interference effects and to enable coexistence.
Starting Page	254
Ending Page	258
File Size	143253
Page Count	5
File Format	PDF
ISBN	9781612843063
e-ISBN	9781612843070
DOI	10.1109/ICCT.2011.6157873
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference Copper Erbium Shadow mapping Fading Probability Cognitive radio
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
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