Enhancing passive UHF RFID backscatter energy using chirp spread spectrum signals and channel shortening.
Taoufik Ben JabeurAbdullah KadriKhalifa Abdulla HazaaPublished in: WCNC (2016)
Keyphrases
- direct sequence spread spectrum
- spread spectrum
- frequency hopping
- image watermarking
- fractional fourier transform
- fourier transform
- multiple access
- transform domain
- data hiding
- energy consumption
- frequency domain
- instantaneous frequency
- watermarking scheme
- pattern recognition
- bit error rate
- digital images
- natural images
- signal processing