NDLI: Cognitive radio networks based on opportunistic beamforming with quantized feedback

Content Provider	IEEE Xplore Digital Library
Author	Massaoudi, A. Sellami, N. Siala, M.
Copyright Year	2015
Description	Author affiliation: LETI Lab., Univ. of Sfax, Sfax, Tunisia (Sellami, N.) \|\| MEDIATRON Lab., Univ. of Carthage, El Ghazala Ariana, Tunisia (Massaoudi, A.; Siala, M.)
Abstract	In this paper, we consider an opportunistic beamforming scheduling scheme of secondary users (SUs) which can share the spectrum with a primary user (PU) in an underlay cognitive radio network. In the scheduling process, the cognitive base station (CBS) having multi-antennas, generates orthogonal beams which insure the minimum interference to the PU. Then, each SU feeds back its maximum signal to interference and noise ratio (SINR) and the corresponding beam index to the CBS. The CBS selects the users having the largest SINRs for transmission. The aim of our work is to study the effect of SINR feedback quantization on the throughput of the secondary system. To do this, we derive an accurate statistical characterization of ordered beams SINR and then we derive the closed-form expression of the system throughput with SINR feedback quantization based on Lloyd-Max algorithm.
Starting Page	1217
Ending Page	1221
File Size	239018
Page Count	5
File Format	PDF
ISBN	9780992862633
ISSN	20761465
DOI	10.1109/EUSIPCO.2015.7362577
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-31
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	EURASIP
Subject Keyword	Quantization (signal) Array signal processing Feedback quantization Interference Opportunistic beamforming Lloyd-Max quantizer Throughput Cognitive radio Indexes Signal to noise ratio
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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