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Joint power allocation and beamforming with users selection for cognitive radio networks via discrete stochastic optimization.
Renchao Xie
F. Richard Yu
Hong Ji
Published in:
Wirel. Networks (2012)
Keyphrases
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cognitive radio networks
stochastic optimization
user centric
power allocation
spectrum sensing
cognitive radio
resource allocation
context awareness
multiple input multiple output
frequency domain
multistage
user experience
personal information
digital content
robust optimization