Power Allocation for Cognitive Radios Based on Primary User Activity in an OFDM System.
Ziaul HasanEkram HossainCharles L. DespinsVijay K. BhargavaPublished in: GLOBECOM (2008)
Keyphrases
- user activity
- multiple input multiple output
- power allocation
- ofdm system
- cognitive radio
- mimo systems
- fading channels
- user behavior
- resource allocation
- online social networks
- channel estimation
- bit error rate
- wireless communication
- orthogonal frequency division multiplexing
- multipath
- communication systems
- estimation algorithm
- social media
- wireless channels
- social networks
- computer simulation
- wireless networks
- data transmission
- computer systems