Power allocation in DF relay assisted OFDM cognitive radio networks with outdated CSI.
Shashika BiyanwilageUpul GunawardanaRanjith LiyanapathiranaPublished in: ISCIT (2012)
Keyphrases
- cognitive radio networks
- power allocation
- spectrum sensing
- cognitive radio
- user centric
- communication systems
- wireless communication
- base station
- multiple input multiple output
- channel estimation
- multipath
- multiple description coding
- resource allocation
- ofdm system
- wireless systems
- fading channels
- orthogonal frequency division multiplexing
- wireless networks
- communication networks