NDLI: Blind digital modulation classification for STBC-OFDM system in presence of CFO and channels estimation errors

Content Provider	IET Digital Library
Author	Dehri, Brahim Besseghier, Mokhtar Djebbar, A. B. Dayoub, Iyad
Abstract	Here, the authors propose a robust blind digital modulation classification (BDMC) algorithm for space time block coding (STBC)-based MIMO-OFDM system in the presence of carrier frequency offset (CFO) and channel estimation errors. Previous papers published on the topic of modulation identification were limited to single-carrier systems operating over frequency-flat channels. The problem of joint channel and CFO estimation in conjunction with blind digital modulation classification for STBC-OFDM in frequency selective channel and in the presence of the impulsive noise has not been addressed before to the best of their knowledge. To cope with performance degradation of BDMC due to CFO and channels errors, they propose joint semi-blind CFO and channels estimation methods. Higher order statistics (HOS), used for feature extraction, are combined with pattern recognition methods to solve the modulation identification problem. The main contribution of their work is the development of estimators, the study of their impacts on the blind classification capability, and the use of simulations to demonstrate the superior performance of the proposed algorithms.
Starting Page	2827
Ending Page	2833
Page Count	7
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 17, Oct (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/17
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2019.0362
Journal	IET Communications
Publisher Date	2019-08-02
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	BDMC Algorithm Carrier Frequency Offset Channel Estimation Channel Estimation Error Code Communication Channel Equalisation And Identification Feature Extraction Frequency Selective Channel Frequency-flat Channel Higher Order Statistics HOS Impulse Noise MIMO Communication MIMO-OFDM System Modulation Identification Problem OFDM Modulation Pattern Recognition Method Radio Link And Equipment Robust Blind Digital Modulation Classification Algorithm Semiblind CFO Estimation Signal Classification Signal Processing And Detection Single-carrier System Space Time Block Coding Space-time Block Code Statistics STBC-OFDM System
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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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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