Circularly Symmetric Companding Quantization-Inspired Hybrid Constellation Shaping for APSK Modulation to Increase Power Efficiency in Gaussian-Noise-Limited Channel.
Aleksandra Z. JovanovicIvan B. DjordjevicZoran H. PericSlobodan A. VlajkovPublished in: IEEE Access (2021)
Keyphrases
- gaussian noise
- denoising
- ofdm system
- noisy images
- image restoration
- power allocation
- noise level
- noise removal
- signal to noise ratio
- noise model
- jpeg compression
- salt and pepper noise
- face recognition
- impulse noise
- noise variance
- computational complexity
- amplitude modulation
- wireless communication
- orthogonal frequency division multiplexing
- multiscale