Cognitive Spectrum Sensing and Detection Using Polyphase DFT Filter Banks.
Faheem SheikhBenny BingPublished in: CCNC (2008)
Keyphrases
- filter bank
- spectrum sensing
- cognitive radio
- frequency domain
- cognitive radio networks
- image coding
- subband
- perfect reconstruction
- discrete cosine transform
- multiresolution
- multiscale
- signal processing
- wireless communication
- wavelet packet
- fourier transform
- low pass
- computationally efficient
- low frequency
- finite impulse response
- image compression
- frequency band
- wavelet transform
- wavelet filters
- lifting scheme
- wavelet coefficients
- fir filters
- reconstruction error
- filter coefficients
- denoising
- base station
- image processing