文档介绍：Wireless Location in
CDMA Cellular Radio Systems
THE KLUWER INTERNATIONAL SERIES
IN ENGINEERING PUTER SCIENCE
WIRELESS LOCATION IN
CDMA CELLULAR RADIO SYSTEMS
JAMES J. CAFFERY, JR.
University of Cincinnati
Cincinnati, OH, USA
Foreword by Gordon L. Stüber
KLUWER ACADEMIC PUBLISHERS
NEW YORK, BOSTON, DORDRECHT, LONDON, MOSCOW
eBook ISBN: 0-306-47329-1
Print ISBN: 0-7923-7703-6
©2002 Kluwer Academic Publishers
New York, Boston, Dordrecht, London, Moscow
Print ©2000 Kluwer Academic Publishers
Dordrecht
All rights reserved
No part of this eBook may be reproduced or transmitted in any form or by any means, electronic,
mechanical, recording, or otherwise, without written consent from the Publisher
Created in the United States of America
Visit Kluwer Online at:
and Kluwer's eBookstore at: http://ebooks.
Contents
Foreword ix
Preface xi
1. INTRODUCTION 1
1. Applications 2
2. History of Wireless Location Systems 5
3. Overview 7
Performance in CDMA Systems 7
Effects of Multiple-Access Interference 8
Effect of NLoS Propagation 9
4. Outline 10
2. SYSTEM AND CHANNEL MODELS 13
1. Channel Propagation Model 13
Multipath Fading 14
Shadowing 16
Path Loss 16
Spatial Scattering Models 18
2. Signaling System Model 19
3. LOCATION METHODS AND IMPAIRMENTS 23
1. Location Methods 23
Dead-Reckoning 24
Proximity Systems 25
Radiolocation 26
2. Advantages/Disadvantages of Location Methods 34
3. Sources of Location Error 34
Multipath Propagation 35
NLoS Propagation 36
Multiple-Access Interference 37
4. Summary 39
4. RADIOLOCATION ALGORITHMS 4 1
vi WIRELESS LOCATION IN CDMA CELLULAR RADIO SYSTEMS
1. Estimation of Location Parameters 41
Signal Strength Estimation 41
Angle of Arrival Estimators 43
ToA and TDoA Estimators 48
2. Radiolocation Algorithms 55
Geometric Approaches 55
Statistical Approaches 59
on Location Algo