Download - Cognitive Radio Ppt
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BY:G. Ramakrishna Karthik Kumar,(13911D5502),ES(Mtech).
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SDR is a radio communication system where
components that are used in hardware are instead
implemented by means of software on a personal
computer or embedded computing devices
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Novel approach for improving the radio electromagnetic spectrum.
Emerging technology in wireless access.
Built on a software-defined radio.
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Primary network (Licensed)and
Cognitive network (Not Licensed).
The basic elements of the primary and unlicensed
networks are
primary user
primary base station
cognitive radio user and
cognitive radio base station.
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A cognitive radio should monitor the available spectrum bands, capture their information, and then detect the spectrum holes.
It is a key enabling technology.
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Highly reliable communication
whenever and wherever needed, that is
mobility independent
Efficient utilization of the radio
spectrum.
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i. “Cognitive radio Technology” by BRUCE FETT
in the Communication Engineering Series
ii. “Cognitive radio for spectrum access” by LARS
BERMANN and STEPHAN MANGOLD
iii. “Cognitive Radio” from Wikepedia
iv. Between the primary and secondary bands,
based on the above models
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