Abstract: Traditional communications systems imply an a priori association of the frequency band, the service assigned to it and the used technology. Breaking this static association can provide much more flexible, efficient and easy-to-use dynamic systems able to cope with the requirements and constraints of the environment and the users. Cognitive radio and software defined radio modify this current communication paradigm. They provide the enabling technologies to perceive, learn, reason and interact accordingly in open-ended changing environments for ...
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Topics: 
Computer network
Telecommunications
Computer architecture