Cognitive Decompiosition of Wirless Networks
Natasha Devroye, Patrick Mitran, Vahid Tarokh · 2006
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