Title: UWB Cognitive Radios
Authors: SITHAMPARANATHAN KandeepanBALDINI GianmarcoPIESIEWICZ Radoslaw
Publisher: InTech
Publication Year: 2011
JRC Publication N°: JRC64081
ISBN: 978-953-307-324-8
URI: http://www.intechopen.com/articles/show/title/uwb-cognitive-radios
http://publications.jrc.ec.europa.eu/repository/handle/JRC64081
Type: Articles in books
Abstract: In this chapter we present UWB communication as a potential candidate for cognitive radio technology. Cognitive radios are intelligent radios that could adopt itself by sensing and learning the radio environment and optimize its transmission strategies to maximize the utilization of the scarce radio resources such as the radio spectrum. This has been motivated by the radio regulatory bodies around the world (EC, 2007; FCC, 2003) to utilize unused radio spectrum known as white space in the spatio-temporal domain. In the recent years UWB communication has emerged as a potential candidate for the CR technology due to its ability to share the spectrum with others for short range wireless communications. In this context we present the concept of cognitive radios and the necessary techniques to adopt UWB as cognitive radios in this chapter. Especially, we enhance on the fundamentals of cognitive radios and spectrum sensing which enable the UWB radio to learn the radio environment. We also touch upon other cognitive radio related topics that are related to UWB communications such as dynamic spectrum access, interference mitigation and localization techniques.
JRC Institute:Institute for the Protection and Security of the Citizen

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