NDLI: Forward–backward processing for efficient underground channel estimation in 60 GHz MISO FBMC systems

Content Provider	IET Digital Library
Author	Belaoura, W. Ghanem, K. Nedil, M. Salah, H. Bousbia
Abstract	In this Letter, a novel low complexity sparse channel estimation method based on forward–backward processing is proposed for mm-Wave underground channel incorporating a 2 × 1 space-time-block coding filter bank multi-carrier (STBC-FBMC) system, which employs quadrature amplitude modulation. The proposed estimation algorithm relies on the idea of the channel support forward selection and backward removal, which iteratively expands and compresses the support estimate, hence improving the ability to cover up for the errors made in the conventional orthogonal matching pursuit (OMP) algorithm. By contrast to the latter, the most innovative feature of the proposed approach is its capability of effective channel reconstruction without prior information of the sparsity level and its adaptive step size method to approach the true sparsity level. The proposed approach is shown to achieve a higher estimation accuracy than OMP alternative.
Starting Page	92
Ending Page	94
Page Count	3
ISSN	00135194
Volume Number	55
e-ISSN	1350911X
Issue Number	Issue 2, Jan (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/55/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2018.6406
Journal	Electronics Letters
Publisher Date	2018-11-28
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	60 GHz MISO FBMC Systems Adaptive Step Size Method Backward Removal Block Codes Channel Bank Filter Channel Estimation Channel Support Code Communication Channel Equalisation And Identification Conventional Orthogonal Matching Pursuit Algorithm Effective Channel Reconstruction Efficient Underground Channel Estimation Estimation Algorithm Filtering Theory Forward–backward Processing Frequency 60.0 GHz Higher Estimation Accuracy Interpolation And Function Approximation Iterative Method Modulation And Coding Method Novel Low Complexity Sparse Channel Estimation Method Numerical Analysis OFDM Modulation Quadrature Amplitude Modulation Radio Link And Equipment Space-time Code Space-time-block Coding Filter Bank Multicarrier System Statistics STBC-FBMC Support Estimate Underground Channel Incorporating
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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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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