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A key issue of dynamic spectrum access in cognitive radio networks is to ensure that the interference incurred on primary users is under control. While interference models and optimization algorithms exist for spectrum sharing in cognitive radio networks, the study on network protocol design is still preliminary. In this paper, we aim to propose a distributed power control protocol for enabling effective...
In this paper, we investigate the problem of primary receiver protection in a cell-based network after the presence of the primary transmitter has been detected by cognitive radio. Since the primary transmitter may unicast, multicast or broadcast data to receivers anywhere in the cell, our goal is to protect the entire cell so the received SINR anywhere in the cell is maintained above the target QoS...
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