cognitive radio


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cognitive radio

n
(Telecommunications) a radio that can automatically alter frequency, power, modulation, etc, according to where it is located
References in periodicals archive ?
In reality, it is very difficult for a cognitive radio to have the information of direct measurement of a channel between a primary transmitter and receiver.
The award-winning paper describes the use of multiple antennas to detect a primary user in a cognitive radio network.
22 norm, which is dedicated to cognitive radio; describe cognitive radio as a domain at the boundary between telecommunications and artificial intelligence; apply the notion of agent from artificial intelligence to multi-agent systems; and put it all together to permit dynamic spectrum access.
Provisioning QoS in cognitive radio is a challenging and highly difficult task.
To address the need for intelligent spectrum allocation and improve the efficiency of spectrum utilization, the notion of cognitive radio (CR) was proposed by Mitola and Maguire in 1999 [2].
Mitola proposed Cognitive Radio [2], which opened a new door for solving the problem of low utilization rate of spectrum resources.
L), developer of a portfolio of wireless communications technologies, including cognitive radio networks, supports the recommendations of The President's Council of Advisors on Science and Technology (PCAST) for increased sharing of radio spectrum.
The 2012 International Telecommunication Union World Radiocommunication Conference issued new international radio regulation treaty language regarding software defined radio and cognitive radio systems.
Key words: Cognitive Radio, Resource Management, Clustered Ad hoc networks, post-disaster communications
Sin embargo, se espera que a corto plazo la tecnologia evolucione lo suficiente, sobretodo en el campo de la microelectronica, como para que los estandares puedan adoptarlo y crear asi un verdadero soporte de capa fisica para la convergencia y la interoperabilidad, lo cual permite una evolucion en los ultimos anos del concepto de SDR hacia un nivel superior como es Cognitive Radio.
Cognitive radio networks; architectures, protocols, and standards.
mesh networks, software defined radio (SDR), cognitive radio and ultra wideband (4).
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