文档介绍：WI-FI TM , BLUETOOTH TM , ZIGBEE TM AND WIMAX TM
WI-FITM,BLUETOOTH TM, ZIGBEE TM
AND WIMAXTM
by
H. LABIOD
ENST, Paris, France
H. AFIFI
INT, Evry, France
C. DE SANTIS
INT, Evry, France
A . Catalogue record for this book is available from the Library of Congress.
ISBN 978-1-4020-5396-2 (HB)
ISBN 978-1-4020-5397-9 (e-book)
Published by Springer,
. Box 17, 3300 AA Dordrecht, herlands.
Printed on acid-free paper
All Rights Reserved
© 2007 Springer
No part of this work may be reproduced, stored in a retrieval system, or transmitted
in any form or by any means, electronic, mechanical, photocopying, microfilming, recording
or otherwise, without written permission from the Publisher, with the exception
of any material supplied specifically for the purpose of being entered
and executed on puter system, for exclusive use by the purchaser of the work.
I dedicate this book to my
husband, my parents and my
sister and brothers
Houda Laboid
Contents
Dedication v
Preface xiii
Foreword xv
1
Introduction 1
2
Wi-FiTM: Architecture and Functions 5
1. WLAN Roadmap via IEEE Family Evolution 5
Panorama of Standards 6
Features of the Different WLAN Generations 10
WLAN Markets 12
2. IEEE Architecture 15
Three Basic Operational Modes 15
Possible Configurations 19
Basic Services 27
Description of Sublayers’ Structures 27
3. Different Physical Layers 29
Frequency Hopping Spread Spectrum-based Physical Layer 30
Direct Sequence Spread Spectrum-based Physical Layer 32
Infrared Transmission 35
IEEE Standard high Rate Direct Sequence
Spread Spectrum-based Physical Layer 36
The OFDM Technique of the IEEE Standards 36
The IEEE Physical Layer 38
Frame Formats 40
4. Data Link Layer 41
5. Medium Access Control Layer 41
Medium Access Mechanisms 41
Basic Access Technique CSMA/CA 42
Virtual Carrier Sense CSMA