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Relay and Power Allocation Schemes for OFDM-Based Cognitive Radio Systems.
Dinesh Bharadia
Gaurav Bansal
Praveen Kaligineedi
Vijay K. Bhargava
Published in:
IEEE Trans. Wirel. Commun. (2011)
Keyphrases
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multiple input multiple output
cognitive radio
cognitive radio networks
communication systems
power allocation
mimo systems
low cost
spectrum sensing
image quality
wireless systems