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: Wirel. Networks (2022)
Keyphrases
- spread spectrum
- ofdm system
- bit error rate
- image watermarking
- orthogonal frequency division multiplexing
- transform domain
- data hiding
- computer simulation
- signal to noise ratio
- multipath
- communication systems
- fading channels
- direct sequence spread spectrum
- digital watermarking
- analytical model
- watermarking algorithm
- wireless channels
- spatial domain
- multiresolution