Compressive Spectrum Sensing Based on Sparse Sub-band Basis in Wireless Sensor Network.
Yu WangJincheng ZhangQuan WangFangxu LvKewei ChenPublished in: CWSN (2014)
Keyphrases
- subband
- spectrum sensing
- frequency band
- wireless sensor networks
- compressive sensing
- cognitive radio networks
- filter bank
- discrete wavelet transform
- wavelet transform
- cognitive radio
- multiresolution
- high frequency
- wavelet decomposition
- wavelet coefficients
- image compression
- locally adaptive
- feature vectors
- bit rate
- wireless communication
- frequency domain
- sparse representation
- low pass
- wavelet domain
- low frequency
- sensor networks
- image processing
- energy efficient
- wavelet packet
- multi hop
- sensor nodes
- computational complexity
- contourlet transform
- energy consumption
- multiscale
- similarity measure