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Secure transmission with artificial noise in the multiuser downlink: Secrecy sum-rate and optimal power allocation.
Na Li
Xiaofeng Tao
Qimei Cui
Jin Xu
Published in:
WCNC (2015)
Keyphrases
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power allocation
resource allocation
mimo systems
transmission scheme
video transmission
key management
channel state information
multiple input multiple output
cognitive radio networks
low complexity
signal to noise ratio
data transmission
wireless channels
optimal allocation