Overlay cognitive radio OFDM system for 4G cellular networks.
Songlin SunYanhong JuYasushi YamaoPublished in: IEEE Wirel. Commun. (2013)
Keyphrases
- cellular networks
- cognitive radio
- ofdm system
- wireless communication
- wireless networks
- multiple input multiple output
- spectrum sensing
- wifi
- cognitive radio networks
- base station
- estimation algorithm
- orthogonal frequency division multiplexing
- mobile networks
- fading channels
- multipath
- multi hop
- bit error rate
- mobile users
- wireless channels
- communication networks
- wireless mesh networks
- ad hoc networks
- wireless sensor networks
- wireless systems
- energy efficient
- rfid tags