Power allocation in OFDM cognitive radio relay networks with outdated channel state information.
Shashika BiyanwilageUpul GunawardanaRanjith LiyanapathiranaPublished in: Int. J. Commun. Syst. (2015)
Keyphrases
- power allocation
- cognitive radio
- multiple input multiple output
- cognitive radio networks
- channel state information
- spectrum sensing
- cellular networks
- communication systems
- mimo systems
- base station
- wireless communication
- fading channels
- orthogonal frequency division multiplexing
- wireless networks
- resource allocation
- wireless channels
- user centric
- wireless systems
- channel estimation
- network structure
- computer systems
- ofdm system
- multimedia services
- key technologies
- vlsi architecture
- mobile networks
- communication networks