Layered Chirp Spread Spectrum Modulations for LPWANs.

Ali Waqar Azim Ahmad Bazzi Roberto Bomfin Raed M. Shubair Marwa Chafii

Published in: IEEE Trans. Commun. (2024)

Keyphrases

spread spectrum
fourier transform
image watermarking
frequency domain
transform domain
data hiding
video watermarking
digital watermarking
watermarking algorithm
watermarking scheme
bit error rate
natural images
low frequency