Weighted sum rate optimization for cognitive radio MIMO broadcast channels.
Lan ZhangYan XinYing-Chang LiangPublished in: IEEE Trans. Wirel. Commun. (2009)
Keyphrases
- weighted sum
- cognitive radio
- multiple input multiple output
- mimo systems
- spectrum sensing
- communication systems
- linear combination
- cognitive radio networks
- objective function
- wireless communication
- fading channels
- cooperative spectrum sensing
- channel conditions
- base station
- weight function
- wireless networks
- wireless channels
- cellular networks
- pixel values
- information systems
- key technologies
- combinatorial optimization
- wireless sensor networks
- weighted sums