Enhancing Diversity of OFDM with Joint Spread Spectrum and Subcarrier Index Modulations.
Vu-Duc NgoThien Van LuongNguyen Cong LuongMai Xuan TrangMinh-Tuan LeThi Thanh Huyen LeXuan-Nam TranPublished in: CoRR (2022)
Keyphrases
- spread spectrum
- ofdm system
- bit error rate
- image watermarking
- orthogonal frequency division multiplexing
- transform domain
- data hiding
- computer simulation
- multipath
- watermarking scheme
- signal to noise ratio
- watermarking algorithm
- fading channels
- digital watermarking
- direct sequence spread spectrum
- wireless channels
- analytical model
- estimation algorithm
- communication systems
- spatial domain
- computational complexity
- multiscale