Cognitive Radio
Cognitive Radio: An Intelligent Wireless Communication System
... the radio spectrum can be accessed and used by wireless ...However, cognitive radio is still in its infancy. Development of cognitive radio systems are cross related and dependent to ...
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ETSI Reconfigurable Radio Systems – Status and Future Directions on Software Defined Radio and Cognitive Radio Standards
... the radio, which must be implemented with a suitable level of ...to radio resources: public; group managed; and national (government ...A Cognitive Radio could instead communicate in a wide ...
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Quality of Service Provisioning in Cognitive Radio Network
... I would like to acknowledge and express my heartiest gratitude to my Ph.D supervisor Professor Moin- Uddin who introduced me to the very interesting subject “Cognitive Radio Technology”. I have benefitted ...
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Spectrum Handoff in Cognitive Radio Networks: A Survey
... wherein cognitive (or secondary) users are allowed to opportunistically utilize the idle licensed bands, referred to as spectrum hole or white space, without interfering with the existing (or primary) ...the ...
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A Survey of Cognitive Radio Network Techniques and Architecture
... conitive radio network can be used efficiently in network centric, distributed, adhoc, mesh architecture, and serve the needs of both licenced and unlicenced ...of cognitive radio network are mobile ...
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Energy Detector in Cognitive Radio for TV White Spaces by Software Defined Radio
... A Cognitive Radio is a radiofrequency device capable of sensing the spectrum over a wide frequency band and exploiting this information to provide wireless communications that need requirements depending of ...
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A Survey:Render of PUE Attack in Cognitive Radio Compressed by Software Defined Radio
... a cognitive radio to use that spectrum allocation ...Typical cognitive radio spectrum sensing requires a device that senses a PU to ...multiple cognitive radios by informing them of ...
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FINDING AN EMULATION ATTACK IN COGNITIVE RADIO
... Cognitive radio, the recent emerging software enabled radio system, which is capable of self-turning frequency band and setting suitable parameters for utilizing a channel freed or unused by licensed ...
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Robust detectors for cognitive radio system
... Cognitive radio [3, 4] is a promising new technology that provides a way for opportunistic and efficient reuse of radio spectrum ...occupy radio spectrum in times or locations where the ...
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Spectrum sharing in cognitive radio networks
... the second scenario, where the spectrum usage is relatively low over time, the spec- trum efficiency can be improved by increasing the access efficiency i.e. allowing access of unlicensed (secondary) devices to the ...
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Spectrum Sensing and Security in Cognitive Radio
... the Cognitive Radio principles is that a secondary user is allowed to use a specific band as long as it’s not occupied by a primary ...time cognitive radio security is also a main ...
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Cognitive Radio
... Cognitive radio technology has been proposed in recent years as a revolutionary solution towards more efficient utilization of the scarce spectrum resources in an adaptive and intelligent ...Nevertheless, ...
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Automatic Modulation Classification for Cognitive Radio
... a radio receiver is to identify the existence of a signal in a particular frequency band at a given location at a given time and then determine the modulation type being employed in the ...Defined Radio and ...
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Antenna Selection in MIMO Cognitive Radio
... use radio frequency (RF) channels for data and message ...environment. Cognitive radio is one such solution with the ability to sense the RF channel evaluation and adaptively react intelligently in ...
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Applications and Opportunities for Cognitive Radio and Networks
... Cognitive Radio (CR) [2] is proposed as a promising technique to improve spectrum utilization. In a CR system, secondary users (SUs) are allowed to access the licensed spectrum bands when they are ...
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Cognitive Radio Wireless Smart Sense Technology
... The cognitive radio has unique cognitive capability and ...reconfigurability. Cognitive capability refers to the ability to sense and gather information from the surrounding ...fashion, ...
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Survey on Security Issues in Cognitive Radio Network
... The cognitive radio component is shown in figure ...The radio atmosphere parameter measures by the sensing ...the cognitive engine. Combine the information by the cognitive engine which ...
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Efficient Spectrum Utilization in Cognitive Radio Networks
... ABSTRACT: Joseph Mitola termed the word “cognitive radio ” for the first time during his seminar at the royal institute of Stockholm, Sweden in 1992. A smart SDR that is capable of automating the changes in ...
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Optimum Channel Sharing in Cognitive Radio Network
... It is the first and most important function of a cognitive radio. It is the process for detecting unused portions of spectrum in order to use them opportunistically. One of the main challenges of CR is ...
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Research and Analysis on Cognitive Radio Network Security
... communications. Cognitive ra- dio network as a wireless communication technology, it’s not only the traditional security problems, but also has introduced some new hidden ...issues. Cognitive radio ...
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