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    Mobile and Wireless Communications Network Layer and Circuit

    Level Design

    Edited by Salma Ait Fares and Fumiyuki Adachi

    ISBN 978-953-307-042-1

    Hard cover, 404 pages

    Publisher InTech

    Published online 01, January, 2010

    Published in print edition January, 2010

    Mobile and wireless communications applications have a clear impact on improving the humanity wellbeing.

    From cell phones to wireless internet to home and office devices, most of the applications are converted from

    wired into wireless communication. Smart and advanced wireless communication environments represent the

    future technology and evolutionary development step in homes, hospitals, industrial, vehicular andtransportation systems. A very appealing research area in these environments has been the wireless ad hoc,

    sensor and mesh networks. These networks rely on ultra low powered processing nodes that sense

    surrounding environment temperature, pressure, humidity, motion or chemical hazards, etc. Moreover, the

    radio frequency (RF) transceiver nodes of such networks require the design of transmitter and receiver

    equipped with high performance building blocks including antennas, power and low noise amplifiers, mixers

    and voltage controlled oscillators. Nowadays, the researchers are facing several challenges to design such

    building blocks while complying with ultra low power consumption, small area and high performance

    constraints. CMOS technology represents an excellent candidate to facilitate the integration of the whole

    transceiver on a single chip. However, several challenges have to be tackled while designing and using

    nanoscale CMOS technologies and require innovative idea from researchers and circuits designers. Whilemajor researchers and applications have been focusing on RF wireless communication, optical wireless

    communication based system has started to draw some attention from researchers for a terrestrial system as

    well as for aerial and satellite terminals. This renewed interested in optical wireless communications is driven

    by several advantages such as no licensing requirements policy, no RF radiation hazards, and no need to dig

    up roads besides its large bandwidth and low power consumption. This second part of the book, Mobile and

    Wireless Communications: Key Technologies and Future Applications, covers the recent development in ad

    hoc and sensor networks, the implementation of state of the art of wireless transceivers building blocks and

    recent development on optical wireless communication systems. We hope that this book will be useful for

    students, researchers and practitioners in their research studies.

    How to reference

    In order to correctly reference this scholarly work, feel free to copy and paste the following:

    Abdallah Alshehri (2010). UWB (Ultra Wideband) Wireless Communications: UWB Printed Antenna Design,

    Mobile and Wireless Communications Network Layer and Circuit Level Design, Salma Ait Fares and Fumiyuki

    Adachi (Ed.), ISBN: 978-953-307-042-1, InTech, Available from: http://www.intechopen.com/books/mobile-

    and-wireless-communications-network-layer-and-circuit-level-design/uwb-ultra-wideband-wireless-

    communications-uwb-printed-antenna-design

    www.intechopen.com

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