Reduced-dimension multiuser detection based on grouping users and reducing effective length of spread spectrum code in CDMA systems.
Zheng ZhaoQinye YinAigang FengXiaojun WuPublished in: ISCAS (1) (2002)
Keyphrases
- cdma systems
- multiuser detection
- spread spectrum
- channel estimation
- mc cdma
- bit error rate
- code division multiple access
- single user
- communication systems
- transform domain
- multipath
- spatial domain
- data hiding
- ofdm system
- image watermarking
- transmission scheme
- computer simulation
- additive white gaussian noise
- wireless channels
- watermarking algorithm
- ds cdma
- estimation algorithm