Spectrum sensing of correlated subbands with colored noise in cognitive radios.
Zahra PourgharehkhanSaeid SedighiAbbas TaherpourMurat UysalPublished in: WCNC (2012)
Keyphrases
- cognitive radio
- spectrum sensing
- cognitive radio networks
- frequency band
- low frequency
- subband
- wireless communication
- wavelet transform
- multiresolution
- communication systems
- high frequency
- image compression
- filter bank
- wavelet domain
- high pass
- bandpass
- base station
- frequency domain
- key technologies
- noise model
- cellular networks
- bit rate
- wireless networks
- additive noise
- image quality
- feature vectors
- signal to noise ratio