Pub Date : 2006-06-01DOI: 10.1109/CROWNCOM.2006.363475
N. Devroye, P. Mitran, V. Tarokh
In this paper, we provide a framework for a fundamental study of the communication limits of networks of cognitive devices. It is shown that all communication in a network of cognitive and non-cognitive devices can be cast into competitive, cognitive and cooperative behaviors. An achievable rate region for the cognitive radio channel (which captures the most fundamental form of cognition - vertical spectrum sharing), is presented
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