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Spectrum Sensing And FFT Pruning For A Cognitive Radio System

 

Marketed By :  VDM Verlag Dr. Müller   Sold By :  Kamal Books International  
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  • Product Description
 

Existing "command-and-control" spectrum allocations defined by government regulatory agencies prohibit unlicensed access to licensed spectrum, constraining them instead to several heavily populated, interference-prone frequency bands. However, it has been shown that the spectrum is not utilized efficiently across time and frequency. Optimal use can be achieved by dynamic spectrum access (DSA) - the concept of unlicensed users "borrowing" spectrum from incumbent license holders temporarily to improve the spectrum utilization. Cognitive radios offer versatile, powerful, and portable wireless transceivers enabling DSA. Spectrum sensing provides this intelligence for DSA, while pruning techniques achieve better transmission by proper compression. This work aims to summarise and improve upon the current techniques in this key area of communications. Tackling the main issues of spectrum sensing - identification of empty spectral bands for communication and using non contigous OFDM as a means of encoding over split frequency bands, this work reviews existing literature while proposing a few adaptations to improve the efficiency of the process.

Product Specifications
SKU :COC43754
AuthorAnand Krishnan,Arpit Raj and Santosh T P
LanguageEnglish
BindingPaperback
Number of Pages52
Publishing Year2010-11-17T00:00:00.000
ISBN978-3639307634
Edition1 st
Book TypeElectronics & communications engineering
Country of ManufactureIndia
Product BrandVDM Verlag Dr. Müller
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-01-08 00:00:00