Radio-communications Architectures

Abstract : Wireless communications, i.e. radio-communications, are widely used for our different daily needs. Examples are numerous and standard names like BLUETOOTH, WiFI, WiMAX, UMTS, GSM and, more recently, LTE are well-known [Baudoin et al. 2007]. General applications in the RFID or UWB contexts are the subject of many papers. This chapter presents radio-frequency (RF) communication systems architecture for mobile, wireless local area networks (WLAN) and connectivity terminals. An important aspect of today's applications is the data rate increase, especially in connectivity standards like WiFI and WiMAX, because the user demands high Quality of Service (QoS). To increase the data rate we tend to use wideband or multi-standard architecture. The concept of software radio includes a self-reconfigurable radio link and is described here on its RF aspects. The term multi-radio is preferred. This chapter focuses on the transmitter, yet some considerations about the receiver are given. An important aspect of the architecture is that a transceiver is built with respect to the radio-communications signals. We classify them in section 2 by differentiating Continuous Wave (CW) and Impulse Radio (IR) systems. Section 3 is the technical background one has to consider for actual applications. Section 4 summarizes state-of-the-art high data rate architectures and the latest research in multi-radio systems. In section 5, IR architectures for Ultra Wide Band (UWB) systems complete this overview; we will also underline the coexistence and compatibility challenges between CW and IR systems.
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Chapitre d'ouvrage
A. Bazzi. Radio Communications, Intech, Sciyo, pp. 1-35, 2010, ISBN 978-953-307-091-9
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Soumis le : vendredi 7 janvier 2011 - 10:44:23
Dernière modification le : jeudi 7 février 2019 - 14:36:24
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  • HAL Id : hal-00553229, version 1

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Antoine Diet, Martine Villegas, Geneviève Baudoin, Fabien Robert. Radio-communications Architectures. A. Bazzi. Radio Communications, Intech, Sciyo, pp. 1-35, 2010, ISBN 978-953-307-091-9. 〈hal-00553229〉

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