In-phase and Quadrature Chirp Spread Spectrum for IoT Communications.
Ivo Bizon Franco de AlmeidaMarwa ChafiiAhmad NimrGerhard P. FettweisPublished in: GLOBECOM (2020)
Keyphrases
- spread spectrum
- fourier transform
- image watermarking
- data hiding
- transform domain
- frequency domain
- instantaneous frequency
- watermarking algorithm
- signal processing
- communication systems
- watermarking scheme
- bit error rate
- multiresolution
- digital watermarking
- image processing
- jpeg compression
- lossy compression
- geometric distortions
- digital images