Spectrum sensing for radar communications with unknown noise variance and time-variant channel.
Mengwei SunMingjun ShiChenglin ZhaoBin LiPublished in: ICC Workshops (2015)
Keyphrases
- spectrum sensing
- noise variance
- cognitive radio networks
- cognitive radio
- noisy images
- regularization parameter
- image noise
- correlation coefficient
- communication systems
- noise level
- wireless communication
- gaussian noise
- wiener filter
- denoising
- communication networks
- cross validation
- edge detection
- denoising algorithm
- noise free
- image denoising
- image restoration