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Subcarrier and Power Allocation for OFDMA-Based Cognitive Radio Systems With Joint Overlay and Underlay Spectrum Access Mechanism.
Gaurav Bansal
Md. Jahangir Hossain
Vijay K. Bhargava
Tho Le-Ngoc
Published in:
IEEE Trans. Veh. Technol. (2013)
Keyphrases
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cognitive radio
cognitive radio networks
spectrum sensing
multiple input multiple output
base station
user centric
power allocation
wireless communication
transmission scheme
resource allocation
key technologies
physical layer
cellular networks
mimo systems