Improved Spread Spectrum Aloha Protocol and Beam-Hopping Approach for Return Channel in Satellite Internet of Things.
Liang GouDongming BianBaogui DongYulei NiePublished in: Sensors (2023)
Keyphrases
- spread spectrum
- frequency hopping
- multiple access
- direct sequence spread spectrum
- image watermarking
- data hiding
- transform domain
- watermarking scheme
- watermarking algorithm
- mac protocol
- bit error rate
- jpeg compression
- wireless channels
- metadata
- communication systems
- remote sensing
- computational complexity
- image processing