Quadrature Spatial Modulation in MIMO Cognitive Radio Systems With Imperfect Channel Estimation and Limited Feedback.
Ali AfanaIslam Abu MahadySalama IkkiPublished in: IEEE Trans. Commun. (2017)
Keyphrases
- channel estimation
- multiple input multiple output
- ofdm system
- cdma systems
- cognitive radio
- communication systems
- wireless communication
- fading channels
- frequency selective
- multipath
- estimation algorithm
- orthogonal frequency division multiplexing
- bit error rate
- cognitive radio networks
- wireless channels
- computationally efficient
- distributed systems