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Xxiii Introductory Concepts 1.1 What Is Telecommunication? 1.2 Telecommunication Will Touch Everybody 1.3 Introductory Topics in Telecommunications 1.3.1 End-Users, Nodes, and Connectivities 1.3.2 Telephone Numbering and Routing 1.3.3 The Use of Tandem Switches in a Local Area Connectivity 1.3.4 Introduction to the Busy Hour and Grade of Service 1.3.5 Simplex, Half-Duplex, and Full Duplex 1.3.6 One-Way and Two-Way Circuits 1.3.7 Network Topologies 1.3.8 Variations in Traffic Flow 1.4 Quality of Service 1.5 Standardization in Telecommunications 1.6 The Organization of the PSTN in the United States 1.6.1 Points of Presence Review Exercises References Signals Convey Intelligence 2.1 Chapter Objective 2.2 Signals in Everyday Life 2.3 Basic Concepts of Electricity for Communications 2.3.1 Early Sources of Electrical Current 2.3.2 The Electrical Telegraph: An Early Form of Long-Distance Communications 2.3.3 What Is Frequency? 2.4 Electrical Signals 2.4.1 Introduction to Transmissionħ 7 9 9 10 13 14 15 16 16 17 18 19 19 19 20 20Ģ.4.2 Modulation 2.4.3 Binary Digital Signals 2.5 Introduction to Transporting Electrical Signals 2.5.1 Wire Pair 2.5.2 Coaxial Cable Transmission 2.5.3 Fiber-Optic Cable 2.5.4 Radio Transmission Review Exercises References Chapter 3
Includes bibliographical references and index. Fundamentals of telecommunications / by Roger L. Library of Congress Cataloging-in-Publication Data: Freeman, Roger L. Some content that appears in print, however, may not be available in electronic format. Wiley also publishes its books in a variety of electronic formats. For general information on our other products and services please contact our Customer Care Department within the U.S. Neither the publisher nor author shall be liable for any loss of profit or any other commercial damages, including but not limited to special, incidental, consequential, or other damages.
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