Detection of Variable Subband Nulling Mode for OFDM-Based Cognitive Radio in Narrowband Interference Channels.
Jae Cheol ParkJin Soo WangHyun Gu KangSeokho YoonIickho SongYun Hee KimPublished in: IEEE Trans. Wirel. Commun. (2011)
Keyphrases
- subband
- spectrum sensing
- cognitive radio
- cognitive radio networks
- filter bank
- wireless communication
- wavelet transform
- multiresolution
- image compression
- bit rate
- communication systems
- multiple input multiple output
- high frequency
- wavelet coefficients
- feature vectors
- wavelet decomposition
- frequency domain
- frequency band
- wavelet packet
- fading channels
- wireless systems
- low frequency
- wireless networks
- subband decomposition
- multipath
- image coder
- image coding
- multiscale
- computer simulation
- key technologies
- bitstream