Unit 1 1
Text A History of Telecommunication 1
New Words 5
Notes 6
Questions for Discussion 6
Text B Biography of Heinrich Hertz 7
New Words 11
Notes 12
Questions for Discussion 12
Unit 2 13
Text A Mobile Wireless Overview 13
New Words 17
Notes 18
Questions for Discussion 18
Text B 2G， 3G， 4G， 4G LTE， 5G—What Are They？ 19
New Words 22
Notes 23
Questions for Discussion 23
Unit 3 24
Text A Internet ＆ Communication 24
New Words 29
Notes 29
Questions for Discussion 30
Text B Types of Internet Communications 30
New Words 33
Notes 34
Questions for Discussion 34
Unit 4 35
Text A Five Reasons Why Fiber Is the Way of the Future 35
New Words 37
Notes 38
Questions for Discussion 38
Text B Fiber to the x 38
New Words 42
Notes 43
Questions for Discussion 43
Unit 5 44
Text A Internet of Things 44
New Words 47
Notes 48
Questions for Discussion 48
Text B Forget the Internet of Things： Here Comes the “Internet of Cars” 48
New Words 51
Notes 51
Questions for Discussion 52
Unit 6 53
Text A Quantum Communications Leap Out of the Lab 53
New Words 55
Notes 56
Questions for Discussion 56
Text B China’s Latest Leap Forward Isn’t Just Great—It’s Quantum 56
New Words 58
Notes 59
Questions for Discussion 59
Unit 7 60
Text A Stored Program Control 60
New Words 63
Notes 63
Questions for Discussion 64
Text B Packet Switching 64
New Words 67
Notes 67
Questions for Discussion 68
Unit 8 69
Text A Information Security 69
New Words 73
Notes 74
Questions for Discussion 74
Text B 5Information Security Trends That Will Dominate 2016 74
New Words 78
Notes 78
Questions for Discussion 79
Unit 9 80
Text A Multiplexing and Multiple Access 80
New Words 83
Notes 83
Questions for Discussion 84
Text B Orthogonal Frequency-Division Multiplexing 84
New Words 87
Notes 87
Questions for Discussion 88
Unit 10 89
Text A Modulation and Demodulation 89
New Words 91
Notes 92
Questions for Discussion 92
Text B Pulse-Code Modulation 92
New Words 95
Notes 95
Questions for Discussion 95
Unit 11 96
Text A How WiFi Works 96
New Words 99
Notes 100
Questions for Discussion 100
Text B NFC ： Getting Down to Business 101
New Words 104
Notes 105
Questions for Discussion 105
Unit 12 106
Text A Digital Signal Processing 106
New Words 110
Notes 110
Questions for Discussion 111
Text B Digital Signal Processors 111
New Words 115
Notes 116
Questions for Discussion 116
课文参考译文 117
第1单元 课文A电信的历史 117
课文B海因里希·赫兹传记 119
第2单元 课文A移动无线概述 122
课文B 2G、 3G、 4G、 4G LTE、 5G分别是什么 126
第3单元 课文A互联网和通信 129
课文B互联网通信类型 132
第4单元 课文A光纤是未来发展趋势的五大原因 134
课文B光纤到x 136
第5单元 课文A物联网 139
课文B忘掉物联网：“车联网”来了 141
第6单元 课文A量子通信“跳出”实验室 143
课文B中国最新的飞跃非常了不起——这就是量子 145
第7单元 课文A存储程序控制 146
课文B分组交换 149
第8单元 课文A信息安全 151
课文B 2016年五大主导信息安全趋势 154
第9单元 课文A多路复用和多路寻址 157
课文B正交频分多路复用 159
第10单元 课文A调制与解调 161
课文B脉冲编码调制 163
第11单元 课文A WiFi如何工作 165
课文B NFC：开始做正事 167
第12单元 课文A数字信号处理 170
课文B数字信号处理器 173
Answers to Questions for Discussion（for reference） 177