On the Probabilistic Model for Primary and Secondary User Activity for OFDMA-Based Cognitive Radio Systems: Spectrum Occupancy and System Throughput Perspectives.
Nariman RahimianCostas N. GeorghiadesMuhammad Zeeshan ShakirKhalid A. QaraqePublished in: IEEE Trans. Wirel. Commun. (2014)
Keyphrases
- cognitive radio
- probabilistic model
- cognitive radio networks
- spectrum sensing
- user activity
- cooperative spectrum sensing
- distributed systems
- key technologies
- base station
- expert systems
- intelligent systems
- computer systems
- wireless communication
- information retrieval systems
- allocation scheme
- division multiple access