Keyphrases
- cognitive radio
- ofdm system
- wireless communication
- spectrum sensing
- communication systems
- cellular networks
- key technologies
- cognitive radio networks
- wireless networks
- management system
- computer systems
- orthogonal frequency division multiplexing
- social networks
- cooperative spectrum sensing
- network structure
- wireless systems
- data processing
- cloud computing
- channel estimation
- multiple input multiple output
- power control