Power allocation for orthogonal frequency division multiplexing-based cognitive radio networks with cooperative relays.
Sidan DuFangjiang HuangShaowei WangPublished in: IET Commun. (2014)
Keyphrases
- cognitive radio networks
- power allocation
- orthogonal frequency division multiplexing
- wireless communication
- cognitive radio
- multiple input multiple output
- spectrum sensing
- wireless networks
- ofdm system
- communication systems
- user centric
- cellular networks
- mimo systems
- channel estimation
- wireless channels
- fading channels
- estimation algorithm
- cross layer
- resource allocation
- bit error rate
- wireless sensor networks
- channel coding
- communication networks
- sensor nodes
- computer simulation
- base station
- frequency domain
- sensor networks
- wireless systems
- wifi