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本教材从适应不同学校、不同教学计划的教学出发，顾及便于灵活选取教学内容，将全书内容分为两篇。第一篇为基本内容，需要顺序学习，为各学校通信工程专业本科所需的。第二篇的各章具有相对独立性，不必须按次序学习，可以按照各校和各专业的需要选用，也可以作为研究生课程选学的内容。但是第二篇的内容是以第一篇的内容为基础的。本教材重点讲述数字通信，将模拟通信的内容缩减到最少程度。在数字通信方面的取材上，力求涵盖最新并具有广泛实用价值的内容。

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ISBN：9787121392559

开本：16(185*260)

页数：448

字数：1048

本书目录

PARTⅠ
Chapter 1Introduction
11Historical Review of Communication
12Message,Information,and Signal
13Digital Communication
131Basic Concept
132Advantages of Digital Communication
133Digital Communication System Model
134Specifications of Digital Communication System
14Channel
	141Wireless Channel
142Wired Channel
143Channel Models
144Influence of Channel Characteristics on Signal Transmission
15Noise in Channel
16Brief Summary
Questions
Exercises
Chapter 2Signals
21Classification of Signals
22Characteristics of Deterministic Signals
221Characteristics in Frequency Domain
222Characteristics in Time Domain
23Characteristics of Random Signals
231Probability Distribution of Random Variable
232Probability Density of Random Variable
24Examples of Frequently Used Random Variables
25Numerical Characteristics of Random Variable
251Mathematical Expectation
252Variance
253Moment
26Random Process
261Basic Concept of Random Process
262Stationary Random Process
263Ergodicity
264Autocorrelation Function and Power Spectral Density of Stationary Random Process
27Gaussian Process
28Narrow Band Random Process
281Basic Concept of Narrow Band Random Process
282Characteristics of Narrow Band Random Process
29Sinusoidal Wave plus Narrow Band Gaussian Process
210Signal Transfer through Linear Systems
2101Basic Concept of Linear Systems
2102Deterministic Signal Transfer through Linear Systems
2103Random Signal Transfer through Linear Systems
211Brief Summary
Questions
Exercises
Chapter 3Analog Modulation System
31Introduction
32Linear Modulation
321Amplitude Modulation （AM）
322Doublesideband Modulation （DSB）
323SingleSideband Modulation （SSB）
324Vestigial Sideband Modulation （VSB）
33Nonlinear Modulation
331Basic Principles
332Frequency Spectrum and Bandwidth of Modulated Signal
333Reception of Angular Modulated Signal
34Brief Summary
Questions
Exercises
Chapter 4Digitization of Analog Signal
41Introduction
42Sampling of Analog Signal
421Sampling of LowPass Analog Signal
422Sampling of BandPass Analog Signal
423Analog Pulse Modulation
43Quantization of Sampled Signal
431Principles of Quantization
432Uniform Quantization
433Nonuniform Quantization
44Pulse Code Modulation
441Basic Principles of Pulse Code Modulation
442Natural Binary Code and Fold Binary Code
443Quantization Noise in PCM System
45Differential Pulse Code Modulation
451Principles of Differential Pulse Code Modulation
452Quantization Noise and Signal to Quantization Noise Ratio in DPCM System
46Delta Modulation
461Principles of Delta Modulation
462Quantization Noise in Delta Modulation System
47Brief Summary
Questions
Exercises
Chapter 5Representation and Transmission of Baseband Digital Signal
51Introduction
52Coding Method of Character
53Waveform of Baseband Digital Signal
54Symbol Code Types of Baseband Digital Signals for Transmission
55Frequency Characteristic of Baseband Digital Signal
 551Calculation of Power Spectral Density of vc(t)
552Calculation of Power Spectral Density of uc(t)
 553Calculation of Power Spectral Density of s(t)
 554Examples of Power Spectral Density Calculation
56Transmission and Intersymbol Interference of Baseband Digital Signal
561Model of Baseband Digital Signal Transmission System
562Intersymbol Interference and Nyquist Criterion
563Partial Response System
57Eye Pattern
58Timedomain Equalizer
581Introduction
582Fundamental Principle of Transversal Filter
 583Realization of Transversal Filter
59Brief Summary
Questions
Exercises
Chapter 6Elementary Digital Modulation System
61Introduction
62Binary Amplitude Shift Keying (2ASK)
621Basic Principle
622Power Spectral Density
623Symbol Error Probability
63Binary Frequency Shift Keying (2FSK)
631Basic Principle
632Power Spectral Density
633Minimum Frequency Space
634Symbol Error Probability
64Binary Phase Shift Keying (2PSK)
641Basic Principle
642Power Spectral Density
643Symbol Error Probability
65Binary Differential Phase Shift Keying (2DPSK)
651Basic Principle
652Power Spectral Density
653Symbol Error Probability
66Performance Comparison of Binary Digital Keying Transmission System
67Mary Digital Keying
671Mary Amplitude Keying (MASK)
672Mary Frequency Shift Keying (MFSK)
673Mary Phase Shift Keying (MPSK)
674Mary Differential Phase Shift Keying (MDPSK)
675Amplitude/Phase Combination Keying (APK)
676Examples of Mary Digital Keying Practical Systems
68Brief Summary
Questions
Exercises
Chapter 7Synchronization
71Introduction
72Carrier Synchronization Method
721Pilot Insertion Method
722Direct Extraction Method
723Performance of Carrier Synchronization
73Bit Synchronization
731External Synchronization
732Self Synchronization
733Influence of Bit Synchronization Error on Symbol Error Probability
74Group Synchronization
741Introduction
742Concentrated Insertion Method
743Dispersed Insertion Method
744Performance of Group Synchronization
75Network Synchronization
751Introduction
752Openloop Method
753ClosedLoop Method
76Brief Summary
Questions
Exercises
PARTⅡ
Chapter 8Optimum Receiving of Digital Signal
81Statistical Characteristics of Digital Signal
82Optimum Receiving Criterion of Digital Signal
83Optimum Receiver for Deterministic Digital Signal
84Symbol Error Probability of Optimum Receiver for Deterministic Digital Signal
85Optimum Receiving of Random Phase Digital Signal
86Optimum Receiving of Fluctuation Digital Signal
87Performance Comparison of Practical Receiver and Optimum Receiver
88Matched Filtering Receiving Principle of Digital  Signal
 881Matched Filtering Receiving of Digital Signal
882Correlation Receiving of Digital Signal
89Optimum Baseband Transmission System
810Brief Summary
Questions
Exercises
Chapter 9Multiplexing and Multiple Access
91Introduction
92Frequency Division Multiplexing (FDM)
93Time Division Multiplexing (TDM)
931Plesiochronous Digital Hierarchy (PDH)
932Multiple Connection and Symbol Rate Justification
933Synchronous Digital Hierarchy (SDH) 
94Code Division Multiplexing (CDM)
941Basic Principles
942Orthogonal Code
943Pseudorandom Code 
95Multiple Access
951Frequency Division Multiple Access (FDMA)
952Time Division Multiple Access
953Multiple Access Techniques for Local Area Networks
96Brief Summary
Questions
Exercises
Chapter 10Channel Coding and Error Control
101Introduction
102Basic Principles of Error Control Coding
103Performance of Error Correction System
104ParityCheck Codes
105Linear Block Codes
106Cyclic Codes
1061Concept of Cyclic Codes
1062Operation of Cyclic Codes
1063Coding of Cyclic Codes
1064Decoding of Cyclic Codes
1065Truncated Cyclic Codes
1066BCH Codes
1067RS Codes
107Convolution Codes
1071Coding of Convolution Codes
1072Decoding of Convolution Codes
108Turbo Codes and LDPC Codes
109Brief Summary
Questions
Exercises
Chapter 11Advanced Digital Bandpass Modulation and Demodulation
111Introduction
112Offset QPSK and π/4 QDPSK
1121Offset QPSK
1122π/4 QDPSK
113Minimum Shift Keying and Gaussian Minimum Shift Keying
1131Basic Principles of MSK Signals
1132Phase Continuity of MSK Signals
1133Orthogonal Expression of MSK Signals
1134Generation and Demodulation of MSK Signals
1135Power Spectrum of MSK Signals
1136Symbol Error Probability of MSK Signals
1137Gaussian MSK
114Orthogonal Frequency Division Multiplexing
1141Introduction
1142Basic Principles of OFDM
 1143Implementation of OFDM
115Trellis Coded Modulation
 1151Basic Concept of Trellis Coded Modulation
 1152Generation of TCM Signals
 1153Demodulation of TCM Signal
116Spread Spectrum Modulation
  1161Introduction
 1162DirectSequence Spread Spectum 
 1163FrequencyHopping SS
 1164Synchronization of SS Code
 1165Separation of Multipath
117Brief Summary
Questions
Exercise
Chapter 12Source Coding
12.1Vector Quantization
12.2Compression Coding for Speech
 12.2.1Speech Parameter Coding
 12.2.2Mixed Coding
12.3Compression Coding for Image
 12.3.1Compression Coding for Still Image
 12.3.2Compression Coding for Moving Image
12.4Compression Coding for Digital Data
 12.4.1Basic Principles
 12.4.2Huffman Code
125Capacity of White Additive Gaussian Noise Channel
126Brief Summary
Questions
Exercises
ⅩⅦChapter 13Communication Security
131Introduction
132Singlekey Cryptography Communication System
133Block and Stream Ciphers
134InformationTheoretic Approach for Cryptography
  1341Perfect Security
  1342Unicity Distance
  1343Role of Data Compression in Cryptography
  1344Diffusion and Confusion
135Data Encryption Standard
136Public Key Cryptography
  1361Basic Principles
  1362DiffieHellman Public Key Distribution
137RSA Algorithm
 1371RSA Public Key Cryptographic System
  1372Application of RSA Algorithm in Digital Signatures
138Brief Summary
Questions
Exercises
ⅩⅧChapter 14MIMO
141Introduction
142Combination of Received Diversity Signals
143Fundamental Principles of MIMO
144Operation Mode of MIMO System
  1441Space Multiplexing Mode
  1442Space Diversity Mode
145Space Time Coding Technique
  1451Space Time Block Code
  1452Bell Layered Space Time Architecture
  1453Space Time Trellis Code
  1454Differential Space Time Block Code
  1455Cyclic Delay Diversity
  1456Time Switched Transmit Diversity
146Brief Summary
Questions
Exercises
Appendix AParseval’s Theorem
Appendix BError Function
Appendix CASCII Code
Appendix DCCITT No5 Code
Appendix EChina Standard 7 Bit Code
Appendix FBessel Functions
Appendix GGalois Field GF(2m)
Appendix HOftenUsed Identities and Constants
Abbreviations
Glossary
References

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前言

INSTRUCTION ON THE THIRD EDITION

The second edition of this textbook has been published for 5 years. It is the time to revise it. The only change in the third edition is the addition of a new chapter,Chapter 14 MIMO.
MIMO is an abbreviation for MultipleInput and MultipleOutput technology. It is used in data links with multiple transmitting antennas and multiple receiving antennas. MIMO is quite different from intelligent antenna,and is able to take advantage of obtaining diversity receiving effect and increase of transmission capacity.
Communication systems with only one input and one output are discussed in previous chapters,but MIMO is not discussed. Today MIMO has been extensively adopted by some communication standards for cellular vehicle communications and WiFi,and it has been one of the fundamental principles of communications,so one new chapter is added in this edition.

INSTRUCTION ON THE SECOND EDITION

The first edition of this textbook has been published for 5 years. It is the time to revise it. In addition to error correction and improvement on description,the main differences between the second edition and the first edition are as follows.
In recent years,the technology on telecommunication networks has developed rapidly. Many new networking technologies and new network functions emerge endlessly,especially in the field of wireless vehicle communication. Today,cellular vehicle communication network with 4G performance has been spread extensively in China and WiFi has benefited most of the notebook computer and mobile phone users. Bluetooth,RFID,GPS,and NFC are used more and more popular. Those new developed technologies and applications can’t be included in a textbook which is belonging to the scope of fundamental principle of communication. On the other hand,some old networking technologies are gradually declined,such as ISDN,ATM,and so forth. Hence,the chapter on communication networks in the first edition is deleted.
Along with the capacity of communication system increasing and the communication channel rapidly digitizing,multimedia communication has been extensively used. Multimedia technology is closely relevant to source compression coding which includes speech compression coding,image compression coding and digital data compression coding. So,the contents on source compression coding are enhanced in the second edition,and the contents on information theory are reduced.

Preface

In recent years，communication theory and technology has witnessed rapid development. In China，the application of telecommunication service has penetrated into almost every household and every person. The huge modern communication networks have been one of the important infrastructures in China. Correspondingly，the amount of telecommunication enterprises and employees there has also been increasing remarkably. Under this situation，the education of the new specialized personnel in the telecommunication field and the reeducation of the personnel in service have become important tasks. In addition，bilingual teaching is a new requirement in Chinese institutions of higher learning，and its importance has been recognized by more and more people. However，there is lack of appropriate textbooks in English on communication theory for Chinese students. This textbook is intended to accommodate the demand.
The current communication networks in China have almost all been digitized. Signals transmitted in China’s public communication networks are mainly digital ones;only the signals transmitted in the user’s loop and those signals for special applications are still analog. Hence，the discussion of analog signal transmission techniques is limited to a minimum，and the greater part of this book is devoted to discussions of digital communication including transforming，encoding and transmission of digital signals，as well as the digitization of analog signals.
In the discussion on digital communication technology，some new communication technologies have been emphasized，for example，trellis code modulation (TCM)，orthogonal frequency division modulation (OFDM)，multiple access，spread spectrum，Turbo codes，and so on. Attention has been directed to the explanations that are associated with the application examples of the currently rapidly developed networks，such as satellite communication and computer communication networks，and so on.
In order to best possibly meet the teaching demand in different universities and the demand of the readers who are in active service，this book is divided into two parts. The first part constitutes the basic contents，and is essential for beginners. The second part contains the optional contents，and each chapter in this part is relatively independent. Some chapters in the second part can be selected for learning depending on teaching requirements，some of which can be used as reference for communication engineering personnel. In addition，considering the demands of different teaching programs and different teaching periods，some contents that have complicated calculations or proofs are printed under shadow. Those parts can be skipped over，without affecting understanding of the content that follows. Questions and exercises are provided at the end of each chapter. The questions can be used for review of the contents of each chapter，and can aid the readers in making a brief summary of the contents of each chapter by themselves. The exercises allow the readers to deeply grasp the contents of each chapter，to combine the theory with the practice，and to improve their ability to solve practical problems. There are also some references at the end of this book for the readers to find the origins of the relevant conclusions. There are no more references listed，because during the network information era，the readers can easily obtain their required information from the Internet.
There are 7 chapters in the first part. The first chapter is focused on the introduction of communication，especially the basic concepts of digital communication and channels，and helps the readers build up a preliminary understanding. The second chapter elaborates on the characteristics of signals and the influence of channels on the transmission of signals. The third chapter briefly dwells on the principles of analog modulation systems. The fourth chapter discusses the sampling，quantization，and encoding methods of analog signals in detail. The fifth chapter gives a basic introduction of every aspect of the design of baseband transmission systems. The sixth chapter discusses the basic digital modulation systems in detail. The seventh chapter discusses synchronization including carrier synchronization，bit synchronization，group synchronization，and network synchronization，which is absolutely necessary for digital communication systems.
The second part consists of 7 chapters in total. The eighth chapter discusses the ideal performance of the system from the viewpoint of the optimum reception of digital signals，and the comparison of the optimum reception with that of the practical systems. The ninth chapter describes multichannel multiplexing and multiple access;specifically introducing some relevant international recommendations for the standards and some practical systems. The tenth chapter discusses error correcting coding and error control technology;the principles of error correcting coding with fine performance are emphasized. The eleventh chapter thoroughly discusses advanced digital modulation technologies on the basis of Chapter 6. The twelfth chapter describes the information theory. The performances of communication systems are analyzed using the fundamental theory in order to search for the optimum source coding methods and the optimum performances of the communication systems. The thirteenth chapter introduces various communication networks including telephone networks，data communication networks，integrated services digital networks and vehicle communication networks. The fourteenth chapter briefly introduces the principles of cryptography. Each chapter in Part 2 is relatively independent. Part 2 can be optionally studied based on demand，and its understanding will not be affected by skipping over some chapters (There is certain connection only between the Viterbi decoding algorithm in Chapter 10 and the TCM in Chapter 11.)
For the junior and senior students of general higher education institutions，lectures may be between 36 to 90 hours (or 2 to 5 credits) according to different specialties and different universities. The course may be arranged within one or two semesters，and supplemented by experiments.
The prerequisites for studying this book are mainly： analog electronic circuits，high frequency electronic circuits，digital logic circuits，linear algebra，probability theory，as well as signals and systems. For the students who have studied the course "Signals and Systems," the second chapter of this book may be briefly introduced as a review or just skipped over.

Fan ChangxinXidian UniversityXi’an,China

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作者简介

樊昌信，1952年毕业于北京大学，西安电子科技大学教授、博士生导师、中国通信学会咨询委员会委员。先后被评选为中国通信学会会士、中国电子学会会士、（美国）电气电子工程师学会终身会士(IEEE Life Fellow)。在科研领域有多项研究成果获省、部级科技进步一、二和三等奖。发表过通信工程领域学术论文100余篇、著译10余本，其中《通信原理》（1980年）一书曾获电子工业部优秀教材特等奖、国家教委优秀教材奖。《通信原理》教材先后被遴选为教育部普通高等教育“九五”、“十五”、“十一五”、“十二五”国家级规划教材。

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