Energy- and Spectral-Efficiency Trade-Off in OFDMA-Based Cooperative Cognitive Radio Networks.
Xiaomao ChenShan OuyangPublished in: Int. J. Distributed Sens. Networks (2014)
Keyphrases
- cognitive radio networks
- trade off
- cooperative
- spectrum sensing
- user centric
- channel allocation
- cognitive radio
- energy consumption
- base station
- energy efficient
- resource allocation
- energy efficiency
- wireless sensor networks
- sensor nodes
- transmission scheme
- intelligent systems
- sensor networks
- power consumption
- multi hop
- cross layer