Semidefinite programming relaxation approach for multiuser detection of QAM signals.
Zhiwei MaoXianmin WangXiaofeng WangPublished in: IEEE Trans. Wirel. Commun. (2007)
Keyphrases
- semidefinite programming
- semidefinite
- cdma systems
- mc cdma
- bit error rate
- channel estimation
- fading channels
- ds cdma
- linear programming
- code division multiple access
- kernel matrix
- primal dual
- communication systems
- multipath
- computer simulation
- ofdm system
- signal to noise ratio
- objective function
- input space
- channel coding
- kernel function
- maximum margin
- wireless channels
- wireless communication
- np hard