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Subcarrier allocation and relay selection for uplink transmission in OFDMA-based cognitive radio systems.
Do-Haeng Lee
Won Hyoung Lee
Eol Choi
Ho Young Hwang
Published in:
ICTC (2013)
Keyphrases
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base station
cognitive radio
division multiple access
resource allocation
data transmission
multiple input multiple output
fading channels
wireless systems
power control
allocation scheme
sensor networks
response time
wireless communication
key technologies
spectrum sensing