Wideband spectrum sensing in cognitive radio using discrete wavelet packet transform and principal component analysis.
P. Y. DibalE. N. OnwukaJ. AgajoC. O. AlenoghenaPublished in: Phys. Commun. (2020)
Keyphrases
- spectrum sensing
- wavelet packet transform
- cognitive radio
- principal component analysis
- cognitive radio networks
- wavelet packet
- wavelet transform
- frequency band
- cooperative spectrum sensing
- wavelet coefficients
- wireless communication
- shift invariant
- denoising
- texture features
- analog circuits
- base station
- face recognition
- subband
- watermarking algorithm
- key technologies
- communication systems
- wireless networks
- feature space
- feature extraction
- data sets