Noncoherent Multiuser Chirp Spread Spectrum: Performance with Doppler and Asynchronism.
Nozhan HosseiniDavid W. MatolakPublished in: CoRR (2020)
Keyphrases
- spread spectrum
- fourier transform
- signal processing
- space variant
- frequency domain
- image watermarking
- watermarking algorithm
- data hiding
- multipath
- video watermarking
- bit error rate
- transform domain
- watermarking scheme
- direct sequence spread spectrum
- digital watermarking
- spatial domain
- metadata
- jpeg compression
- low frequency
- image restoration
- motion estimation
- digital libraries
- pattern recognition