Subband Energy Based Reduced Complexity Spectrum Sensing Under Noise Uncertainty and Frequency-Selective Spectral Characteristics.
Sener DikmesePaschalis C. SofotasiosMarkku RenforsMikko ValkamaPublished in: IEEE Trans. Signal Process. (2016)
Keyphrases
- subband
- low frequency
- filter bank
- wavelet transform
- wavelet packet
- image compression
- multiresolution
- high frequency
- wavelet decomposition
- bit rate
- cognitive radio
- wavelet coefficients
- frequency domain
- wavelet domain
- feature vectors
- vector quantization
- image coding
- multipath
- image coder
- rate distortion
- transform coefficients
- signal to noise ratio
- bitstream
- wireless communication
- signal processing
- motion vectors