Transceiver and System Design for Digital Communications 第五版

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This book covers basic communications theory and practical implementation of transmitters and receivers. In so doing, the focus of this book is on digital modulation, demodulation methods, probabilities, detection of digital signals, spreadspectrum system design and analysis, radar and radar communi
Other volumes in this series Volume 9 Phase noise in signal sources W.P. Robins Volume 12 Spread spectrum in communications R Skaug and J F. Hjelmstad Volume 13 Advanced signal processing D. Creasey(Editor) Volume 19 Telecommunications traffic, tariffs and costs r.e. farr Volume 20 An introduction to satellite communications D L Dalgleish Volume 26 Common-channel signalling.J. Manterfield Volume 28 Very small aperture terminals(VSATs)J.L. Everett(Editor) Volume 29 AtM: the broad band tellecommunications solution lg. cuthbert and j c Volume 31 Data communications and networks, 3rd edition R L. Brewster(Editor) Volume 32 Analogue optical fibre communications B. Wilson, Z. Ghassemlooy and lZ Darwazeh(Editors) Volume 33 Modern personal radio systems R.C.V. Macario(Editor) Volume 34 Digital broadcasting P. Dambacher Volume 35 Principles of performance engineering for telecommunication and information systems M. Ghanbari, C.J. Hughes, M C. Sinclair and J.P. Eade Volume 36 Telecommunication networks, 2nd edition J.E. Flood(Editor) Volume 37 Optical communication receiver design S.B. Alexander Volume 38 Satellite communication systems, 3rd edition B.G. Evans(Editor) Volume 40 Spread spectrum in mobile communication O Berg, T. Berg, J F Hjelmstad, S. Haavik and R Skaug Volume 41 World telecommunications economics J.J. Wheatley Volume 43 Telecommunications signalling.J. Manterfield Volume 44 Digital signal filtering, analysis and restoration J. Jan Volume 45 Radio spectrum management, 2nd edition D. Withers Volume 46 Intelligent networks: Principles and applications J.R. Anderson Volume 47 Local access network technologies P. France Volume 48 Telecommunications quality of service management A P. Oodan(Editor) Volume 49 Standard codecs: Image compression to advanced video coding M. Ghanbari Volume 50 Telecommunications regulation J Buckley Volume 51 Security for mobility C. Mitchell(Editor) Volume 52 Understanding telecommunications networks A Valdar Volume 53 Video compression systems: From first principles to concatenated codecs A Bock Volume 54 Standard codecs: Image compression to advanced video coding 3rd edition m. ghanbari Volume 59 Dynamic ad hoc networks H. Rashvand and h Chao(editors Volume 60 Understanding telecommunications business A Valdar and l. Morfett Volume 65 Advances in body-centric wireless communication: Applications and state of-the-art Q H. Abbasi, M.U. Rehman, K. Qaraqe and A. Alomainy(editors) Volume 67 Managing the Internet of Things: Architectures, theories and applications J. Huang and K Hua( Editors) Volume 68 Advanced relay technologies in next generation wireless communications kids and G. Zheng Volume 69 5G wireless technologies Dr Angeliki Alexiou(Editor) Volume 70 Cloud and fog computing in 5G mobile networks Dr Evangelos Markakis Dr. George Mastorakis, Dr. Constandinos X Mavromoustakis and Dr Evangelos Pallis(Editors Volume 73 Network as a service for next generation internet Q Duan and S Wang (Editors) Volume 74 Access, fronthaul and backhaul networks for 5G& beyond M.A. Imran, S.A R. Zaidi and M Z Shakir(Editors) Volume 76 Trusted communications with physical layer security for 5G and beyond T.Q. Duong, X Zhou and h.V. Poor(Editors) Volume 905 ISDN applications in education and training r. mason and P d bacsich Transceiver and System Design for Digita Communications 5th edition Scott bullock The Institution of Engineering and Technology Published by The Institution of Engineering and Technology, London, United Kingdon The Institution of Engineering and Technology is registered as a Charity in England Wales(no. 211014)and Scotland(no. SCo38698) The Institution of Engineering and Technology 2018 First published 2017 This publication is copyright under the Berne Convention and the Universal Copyright Convention. All rights reserved. Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may be reproduced, stored or transmitted, in any form or by any means, only with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms of licences issued by the Copyright Licensing Agency. Enquiries concerning reproduction outside those terms should be sent to the publisher at the undermentioned address: The Institution of Engineering and Technology Michael Faraday House Six Hills Way, Stevenage Herts, SG1 2AY, United Kingdom ww. theiet org While the author and publisher believe that the information and guidance given in this work are correct, all parties must rely upon their own skill and judgement when making use of them. Neither the author nor publisher assumes any liability to anyone for any loss or damage caused by any error or omission in the work, whether such an error or omission is the result of negligence or any other cause any and all such liability is disclaimed The moral rights of the author to be identified as author of this work have been asserted by him in accordance with the Copyright, Designs and Patents Act 1988 British Library Cataloguing in Publication Data A catalogue record for this product is available from the British Library SBN978-1-78561-4958( hardback SBN978-1-78561-496-5(PDF) ypeset in India by MPS Limited Printed in the Uk by CPl Group(UK) Ltd, Croydon To my loving wife, Debi to Crystal, Cindy, Brian, Andy, and Jenny and to my mother, elaine This page intentionally left blank Contents Preface XIX Acknowledgments XXV about the author XXV 1 Transceiver design 1. 1 Frequency of operation 1. 2 Transmitter 1. 2.1 Transmitted effective isotropic radiated power 1. 2.2 Power from the transmitter 4459 1.2. 3 Transmitter component losses 1. 2. 4 Transmitter line losses from the power amplifier to the antenna 10 1.2.5 Transmitter antenna gain 10 1. 2. 6 Transmitter antenna losses 12 1. 3 The channel 1.3.1 Free-space attenuation 1.3.2 Propagation losses 334 1.3.3 Multipath losses 15 1. 4 Receiver 5 1.4.1 Receiver antenna losses 15 1.4.2 Receiver antenna gain 16 1. 4.3 Receiver line losses from the antenna to the lna 1.4.4 Receiver component losses 1.4.5 Received signal power at the output to the lna 19 1.4.6 Receiver implementation loss 1. 4.7 Doppler effects on received signal 20 1.4.8 Received power for establishing the signal-to-noise ratio of a system 21 1. 4.9 Received noise power 1. 4.10 Noise figure 24 1. 4.11 Received noise power at the detector 25 1.412 Receiver bandwidth 26 1.4.13 Received eb/No at the detector 28 1.4. 14 Receiver coding gain 28 1.4.15 Required Eb/N。 28 viii Transceiver and system design for digital communications 5th ed 1. 5 The link budget 28 1.5.1 Spread spectrum systems 30 1.5.2 Process gain 30 1.5.3 Received power for establishing the signal-to-noise ratio for a spread spectrum system 30 1.5.4 Link budget example 31 5.5 Benefits of using a link budget 33 1.6 Summary 1. 7 Problems 33 Further reading 34 2 The transmitter 35 2.1 Basic functions of the transmitter 2.1.1 Transmit antenna 35 2.1.2 Transmit/receive device 36 2. 1. 3 RF power amplifier 37 2.1. 4 Crest factor 38 2.1.5 Upconverter 39 2.1.6 Sum and difference frequencies generated in the upconversion process 40 2.2 Voltage standing wave ratio 42 2. 2. 1 Maximum power transfer principle 43 2.3 Analog and digital communications 44 2.3.1 Digital-versus-analog communications 46 2.3.2 Software programmable radios and cognitive radios 47 2.4 Digital modulation 47 2.4.1 Binary phase-shift keying 48 2.4.2 Quadrature phase-shift keying 2.4.3 Offset QPSK 2.4.4 Higher order PSK 55 022 2.4.5 BPSK versus QPSK constellation comparison 54 2.4.68-Level PSK 54 2.4.7 /4 differential OPSK 2.4.8 16-Offset quadrature amplitude modulation 2.49 Phasor constellations and noise immunit 57 2.4.10 Continuous phase PSK 59 2.4. 11 Summary of PsK modulations 2.4.12 Differential phase-shift keying 64 2.4.13 Minimum shift keying 68 2.4.14 Frequency-shift keying 68 2.4.15 Sidelobe reduction methods 71 2.4.16 Ideal shaping filter 71 2.5 Direct sequence spread spectrum 2.5.1 Frequency-hopping spread spectrum 2.5.2 Spread sp ectrum 74 ntents Ix 2.5.3 Jammer resistance 75 2.5.4 Despreading to realize process gain in the spread spectrum system 76 2.5.5 Maximal length sequence codes 2.5.6 Maximal length PN code generator 80 2.5.7 Maximal length PN code taps 80 2.5.8 Gold codes 81 2.5.9 Other codes 82 2.5.10 Spectral lines in the frequency domain 82 2.6 Other forms of spread spectrum transmissions 83 2.6. 1 Time hopping 84 2.6.2 Chirped-FM 84 2.7 Multiple users 85 2.7.1 Other methods for multiuser techniques 87 2.7.2 Orthogonal signals 87 2.7.3 Quadrature phase detection of two signals 88 2.7.4 Orthogonal frequency division multiplexing 89 2.7.5 Other OFDM techniques 91 2. 8 Power control 91 2.9 Summary 92 2.10 Problems Further reading 94 3 The receiver 5 3. 1 Superheterodyne receiver 3.2 Basic functions of the receiver 96 3. 3 Receiver antenna 3.4 Transmit/receive device 97 3.5 Image reject filter 97 3.6 Low-noise amplifier 99 3. 7 rF downconverter 100 3. 8 Mixers 101 3.8. 1 Mixer spur analysis-level of spurious responses and intermode 101 3.8.2 Sixth-order analysis 101 3.8.3 High-level or low-level mixers 103 3.8.4 High-Side or low-Side injection 103 3.9 Automatic gain control 105 3.10 if downconverter 105 3. 11 Splitting signals into multiple bands for processing 106 3.12 Bandwidth considerations 107 3. 13 Phase noise 107 3. 14 Filter characteristics 108 3. 15 Group delay 109 3. 16 Analog-to-digital converter l11

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