Optimal power allocation for OFDM-based cognitive radio with new primary transmission protection criteria.
Xin KangHari Krishna GargYing-Chang LiangRui ZhangPublished in: IEEE Trans. Wirel. Commun. (2010)
Keyphrases
- power allocation
- multiple input multiple output
- cognitive radio
- cognitive radio networks
- spectrum sensing
- mimo systems
- communication systems
- wireless communication
- wireless systems
- orthogonal frequency division multiplexing
- fading channels
- resource allocation
- ofdm system
- wireless channels
- user centric
- wireless networks
- base station
- multiple input
- bit error rate
- vlsi architecture
- channel estimation
- multiple description coding
- transmission scheme
- data transmission
- key technologies