To get full information or details of cognitive radios please have a look on the pages

http://seminarsprojects.net/Thread-cognitive-radio-systems?pid=4881&mode=threaded

http://seminarsprojects.net/Thread-grouping-technique-for-cooperative-spectrum-sensing-in-cognitive-radios

http://seminarsprojects.net/Thread-implementation-issues-in-spectrum-sensing-for-cognitive-radios?pid=28345&mode=threaded

http://seminarsprojects.net/Thread-5g-based-on-cognitive-radio-abstract

http://seminarsprojects.net/Thread-streaming-scalable-videos-over-multi-hop ....etc

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to get information about the topic Software advances in wireless communication related topic refer the page link bellow

http://seminarsprojects.net/Thread-wireline-quality-underwater-wireless-communication-using-high-speed-acoustic-modems ....etc

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Sir,
I need matlab code for spectrum sensing in cognitive radios using energy detection techinque
With Regards,
Vineetha ....etc

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Introduction

With Cognitive Radio being used in a number of applications, the area of spectrum sensing has become increasingly important. As Cognitive Radio technology is being used to provide a method of using the spectrum more efficiently, spectrum sensing is key to this application.

The ability of Cognitive Radio systems to access spare sections of the radio spectrum, and to keep monitoring the spectrum to ensure that the Cognitive Radio system does not cause any undue interference relies totally on the spectrum sensing elements of the sys ....etc

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Grouping Technique for Cooperative Spectrum Sensing in Cognitive Radios

Rizwan Akhtar, Adnan Rashdi and Abdul Ghafoor
Electrical Engineering Department, College of Signals, National University of Science & Technology, Pakistan


Abstract

Cognitive networks can potentially solve the
problems of spectrum scarcity by accommodating unlicensed
(secondary) users in under-utilized segments of the spectrum.
Spectrum sensing serves as the primary stimulus for a cognitive
radio and is vitally impor ....etc

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please help on the given subject title.. i will b thankful to u. ....etc

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hi i would like get more details on spectrum sensing in cognitive radio
hi i would like get more details on spectrum sensing in cognitive radio algorithms and their implementation. ....etc

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Abstract
There are new system implementation challenges involved in the design of cognitive radios, which have both the ability to sense the spectral environment and the flexibility to adapt transmission parameters to maximize system capacity while co-existing with legacy wireless networks. The critical design problem is the need to process multi-gigahertz wide bandwidth and reliably detect presence of primary users. This places severe requirements on sensitivity, linearity, and dynamic range of the circuitry in the RF front-en ....etc

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I need a mat lab code corresponding the spectrum access channel from primary user to secondary user to demonstrate that code to UG students please send the code for that ....etc

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matlab code energy based spectrum sensing in cognitive radio energy threshold based algorithm

ABSTRACT

Spectrum sensing is the basic and essential mechanisms of Cognitive Radio (CR) to find the unused spectrum. This paper presents an overview of CR architecture, discusses the characteristics and benefits of a CR. Energy detection based spectrum sensing has been proposed and used widely because it doesn't require transmitted signal properties, channel information, or even the type of modulation. In this paper, a survey of energy detector over ....etc

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