FFT and filter bank based spectrum sensing and spectrum utilization for cogntive radios.
Sener DikmeseSudharsan SrinivasanMarkku RenforsPublished in: ISCCSP (2012)
Keyphrases
- filter bank
- spectrum sensing
- cognitive radio networks
- frequency domain
- cognitive radio
- subband
- image coding
- fast fourier transform
- fourier transform
- signal processing
- spectral analysis
- multiscale
- wireless communication
- multiresolution
- perfect reconstruction
- user centric
- discrete cosine transform
- wavelet packet
- spatial domain
- lifting scheme
- discrete fourier transform
- wavelet transform
- low pass
- computationally efficient
- image compression
- wavelet filters
- floating point
- feature extraction
- reconstruction error
- low frequency
- wireless networks
- image processing
- cellular networks
- frequency band
- fourier domain
- base station
- communication systems
- wavelet coefficients
- denoising