Software Implementation and Cyclic Feature Characterization of Nu-FBMC/OQAM Signals

An extended frequency spread (FS) multicarrier system based on the filter bank and offset quadrature amplitude modulation (FS-FBMC/OQAM) approach applied to a critically sampled nonuniform FBMC/OQAM (Nu-FBMC/OQAM) transmission, using subchannel aggregation of uniform filter bank, is analyzed and des...

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Bibliographic Details
Published in:IEEE access 2024, Vol.12, p.26636-26641
Main Authors: Punt, Marija, Vucic, Desimir
Format: Article
Language:English
Subjects:
Bandwidth
cyclic features
Fast Fourier transformations
Filter banks
Indexes
Nonuniform filter bank multicarrier
OFDM/OQAM
Orthogonality
Prototypes
Quadrature amplitude modulation
software implementation
Spectral correlation
Symbols
Time-frequency analysis
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Summary:An extended frequency spread (FS) multicarrier system based on the filter bank and offset quadrature amplitude modulation (FS-FBMC/OQAM) approach applied to a critically sampled nonuniform FBMC/OQAM (Nu-FBMC/OQAM) transmission, using subchannel aggregation of uniform filter bank, is analyzed and described. The new adapted structure for this Nu-FBMC/OQAM transmission and corresponding orthogonality conditions are analyzed. Their implementation and verification are performed using MATLAB®. Some novel results related to the cyclic features of this Nu-FBMC/OQAM signal, based on the spectral correlation density (SCD) and estimated by the fast Fourier transform accumulation method (FAM), are presented.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2024.3367238