Frequency-Shift Chirp Spread Spectrum Communications with Index Modulation.
Muhammad HanifHa H. NguyenPublished in: CoRR (2021)
Keyphrases
- spread spectrum
- frequency hopping
- instantaneous frequency
- frequency modulation
- image watermarking
- data hiding
- multiple access
- transform domain
- fourier transform
- watermarking algorithm
- ofdm system
- frequency domain
- communication systems
- watermarking scheme
- digital watermarking
- amplitude modulation
- low frequency
- direct sequence spread spectrum
- bit error rate
- spatial domain
- signal processing
- wireless communication
- digital images
- multiresolution
- metadata