Telecommunications Essentials: The Complete Global Source for Communications Fundamentals, Data Networking and the Internet, and Next-Generation Networks

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Overview

Praise for Telecommunications Essentials

“In Telecommunications Essentials, Goleniewski guides us through the ever-changing world of telecommunications with much sense and a great deal of style. Her wide ranging and in-depth study into this complex field is superbly researched and written. Its emphasis on learning and technology is thought-provoking and never fails to be relevant to the field today. It is essential reading.”

Chris Barclay, Director, Strategy & Planning, Retail, Telstra

“Lillian Goleniewski has a gift in presenting the complexity of telecommunications to her audiences. The careers of countless people in Australia have benefited from their contact with her. Her material is now captured in this book, which should rightfully grace any self-respecting technical collection.”

Dr. Bob Horton, Deputy Chairman, Australian Communications Authority

“If you need one good reference book on telecom, this is it. It’s comprehensive, easy to understand, and up-to-date on latest technology—definitely a must-have for both beginners and professionals.”

To Chee Eng, Principal Anaylst, Telecoms and Internet, Gartner Group

“Lili Goleniewski is a gifted communicator and educator who combines clear explanation of complex technologies with a firm grasp of the dynamic commercial environment in which those technologies are being deployed. The author’s extensive international experience in communicating to an audience drawn from diverse cultures and differing levels of familiarity with technical concepts and the English language enables her to enliven subject matter that otherwise can be dauntingly unapproachable. I commend this book to anyone seeking to develop their understanding of developing communications technologies, regardless of their technical background.”

Peter Leonard, Managing Partner, Technology and Communications, Gilbert & Tobin Lawyers

Telecommunications Essentials provides a thorough overview of all aspects of the telecommunications network. Whether you are new to telecom or have years of experience, this well-organized and detailed reference will help you learn what you need to know or remember what you have forgotten.”

David West, Vice President, Equinox Information Systems

“Here is a book that demystifies a technical world. Lili applies a matter-of-fact style and laces this with humor and the occasional wonder to weave all the complex building blocks of the telecommunications industry into a readable book. The book will be a permanent fixture on my ‘go to find an answer’ reference list.”

Kiron Chatterjee, Koshen Holdings and Former CEO of Asia Online

Telecommunication Essentials is an excellent high-level view of telecom. It provides interesting examples of actual and potential applications in telecom. This is an extraordinarily useful and timely book.”

Natasha K. Zaslove, Lawyer

“Reviewing Lili’s book was a joy. Telecommunications Essentials approaches the subject unlike typical academic or reference texts—instead, it tells stories, effectively and engagingly explaining the new culture evolving around telecommunications, with just the right amount of relevant technical details. Telecommunications Essentials traces the evolution of public networks from simple voice conduits to the life-changing multiservice information universe of the near future, intriguingly and provocatively predicting how we, as humans, might radically change our interactions—with each other and with machines—as a result. I recommend Lili’s book to anyone seeking an informative, enjoyable ride through today's telecommunications landscape.”

Steven Riley, Microsoft Telecommunications Consulting

Telecommunications Essentials is an in-depth introduction to the rapidly growing world of telecommunications. The book provides a global perspective, which ensures a complete understanding of telecommunications technologies and standards worldwide. Providing a comprehensive, one-stop reference for anybody wanting to get up to speed on the $2.5 trillion telecommunications industry, this book not only covers the basic building blocks but also introduces the most current information on new technologies like wireless, broadband, and optical networking.

Topics include:

  • Technology Basics
  • PSTN (Public Switched Telephone Networks)
  • Switching and Routing
  • Data Communications
  • Frame Relay, ATM
  • Internet Infrastructure
  • VPNs, VoIP, Streaming Media
  • Broadband Architectures
  • Security
  • Optical Networking
  • Cable
  • Wireless
  • Fiber
  • xDSLs
  • The broadband home

Goleniewski's clear approach to current and emerging technologies - starting with important terms and definitions, and moving to systems, networks, and the latest applications, products, and services - is based on the very successful worldwide LIDO Telecommunications Essentials seminar and e-Learning series. This approach makes Telecommunications Essentials a must-have resource for any reader, whether new to the field of telecommunications or a seasoned professional.

And as an added bonus, Telecommunications Essentials is augmented by a dynamic online telecom learning center, www.telecomessentials.com/learningcenter, designed to enhance and further your learning experience. The Telecom Essentials Learning Center includes access to:

  • Self-tests and quizzes to put your new found knowledge to the test.
  • Discussion forums for student interactions and Q&A.
  • Recommended books and magazines that will allow you to build your telecommunications knowledge.
  • Recommended websites, selected according to their relevance to the topics in each chapter.

The LIDO Organization, Inc.'s Telecommunications Essentials educational products are further supported by a unique telecommunications knowledge portal, LIDO Telecom WebCentral, www.telecomwebcentral.com. This portal brings you access to:

  • More than 6,000 learning resources and video tutorials featured on the site.
  • Brand new information on financial and legal news.
  • Up-to-the-moment information on the latest applications.
  • Connections to telecom career groups and newsgroups.
Read More Show Less

Editorial Reviews

From The Critics
This book provides an overview of the terminology and issues that comprise telecommunications and discusses major telecommunications infrastructures including the PSTN, the Internet, cable TV, and wireless. Early chapters explain telecommunications fundamentals and examine factors contributing to the telecommunications revolution, while later chapters introduce basics of data communications and networking, looking at wide area and local area networking and at how the public Internet is structured. Final chapters explore the realm of broadband networking and emerging technologies. Goleniewski is creator of a telecommunications seminar series. Annotation c. Book News, Inc., Portland, OR (booknews.com)
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Product Details

  • ISBN-13: 9780201760323
  • Publisher: Addison-Wesley
  • Publication date: 12/28/2001
  • Pages: 585
  • Product dimensions: 7.30 (w) x 9.10 (h) x 1.22 (d)

Meet the Author

Lillian Goleniewski is Founder and President of the LIDO Organization, Inc., an internationally acclaimed provider of education, information, and advisory services in the area of telecommunications technologies, services and networks.

Ms. Goleniewski lectures extensively on telecommunications technology and management topics throughout the world. She is the author and creator of LIDO Telecommunications Essentials® (www.telecomessentials.com). Ms. Goleniewski’s seminars and eLearning series have been conducted on an international basis since 1984, and are offered throughout Asia, Australia/New Zealand, Africa, Europe, the Middle East, North America and South America.

Prior to forming the LIDO Organization, Ms. Goleniewski held the position of telecommunications operations manager at the Electric Power Research Institute (EPRI), the research and development arm of the U.S. utility industry. Before joining EPRI, Ms. Goleniewski was vice-president of operations for a San Francisco-based telecommunications consulting firm.

Ms. Goleniewski graduated Phi Beta Kappa and Summa Cum Laude from Wayne State University in Detroit, Michigan. She holds a B.A. in psychology and has completed numerous post-graduate studies in information technologies as well as psychology. Ms. Goleniewski was the recipient of a NSF Award to conduct research in the area of human perception and information processing.

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Read an Excerpt

I love telecommunications. It is powerful, and it empowers, with far reaching consequences. It has demonstrated the potential to transform society and business, and the revolution has only just begun. With the invention of the telephone, human communications and commerce were forever changed: Time and distance began to melt away as a barrier to doing business, keeping in touch with loved ones, and being able to immediately respond to major world events. Through the use of computers and telecommunications networks, humans have been able to extend their powers of thinking, influence, and productivity, just as those in the Industrial Age were able to extend the power of their muscles, or physical self, through the use of heavy machinery. Today, new inventions and developments once again are poising telecommunications as a force to be reckoned with, forever changing human communications and commerce, and introducing machines as members of the networked society. This is an exciting era, in which we face a host of new telecommunications technologies and applications that bring breathtaking new opportunities, particularly in the industries of entertainment, education, health care, government, advertising, lifestyle, and, sadly, warfare.

I have a favorite quote, from Eric Hoffer's Vanguard Management: "In a time of drastic change, it is the learners who inherit the future. The learned find themselves equipped to live in a world that no longer exists." The fact that you are reading this shows that you are aware of the monumental changes taking place in telecommunications infrastructures and usage, and are eager to learn what those are—as well you should be! Thisbook is designed to provide a thorough foundation for understanding a wide range of telecommunications principles and technologies.

If you are new to the communications and information industry or simply want an understandable, yet comprehensive overview of telecommunications, this book is for you. Telecommunications Essentials will equip you with a blueprint on which you can build. The telecommunications landscape is vast, and for a newcomer, it is treacherous terrain to navigate. This book provides you with a logical progression in gluing together all the pieces of the telecommunications puzzle. This book will help you to master the basic building blocks of key technologies, from the principles of telecommunications transmission and networking to the current and evolving nature of the Internet, broadband architecture, and optical networking, addressing both wired and wireless alternatives.

What This Book Covers

This book provides a concentrated, high-level overview of the terminology and issues that comprise telecommunications, and it discusses the major telecommunications infrastructures, including the PSTN, the Internet, cable TV, and wireless.

The book is divided into three parts. Part I: Telecommunications Fundamentals explains the basics, the arts and sciences of telecommunications. It begins by explaining the factors that are contributing to the telecommunications revolution and talks about some of the exciting new technologies that are on the horizon. Part I gives you a good grounding in the basics of telecommunications technology and terminology, covering communications fundamentals, and including the characteristics and uses of the various transmission media. Part I also discusses the processes involved in establishing communications channels, examining the differences between circuit-switched and packet-switched networks, and it explores the nature of the PSTN.

Part II: Data Networking and the Internet introduces the basics of data communications and networking. It discusses today's wide-area and local-area networking alternatives, as well as how the public Internet is structured. It also explores next-generation network services, such as VPNs, Voice over IP, and streaming media.

Part III: Next-Generation Networks explores the realm of broadband networking and emerging technologies, including the near and distant future of communications and its convergence with related infotech industries. Part III covers next-generation network architectures, optical networking, broadband access alternatives, home area networking, and the realm of wireless communications.

In almost every aspect of life, it is important to put and keep things in context. A good idea in one situation might be a terrible idea in another situation. This is often the case with telecommunications; there is no one-size-fits-all be-all and end-all telecommunications solution. In assessing telecommunications needs, it is important to think about the prevailing conditions, so that you can choose the best transmission media, the best network architecture, and so on for the situation. It's also important to remember that prevailing conditions change. So, what's right for you today may change six months down the road. As you plan a telecommunications strategy, it is important to look as far into the future as you can, to make your network as adaptable to future innovations as possible.

Online Tools That Supplement the Book

As the founder and president of the LIDO Organization, I have been involved in providing educational and advisory services to developers, suppliers, regulators, investors, consultants, and users of telecommunications technologies and networks since 1984. I want to share my knowledge of telecommunications with people in the format that best fits their learning styles. Some learn best in a classroom situation, where they can make eye contact with the instructor, view graphics while the instructor is explaining concepts, and ask questions in person. LIDO has been providing seminars for these learners for 17 years. Some people prefer to learn at their own pace, and they like the convenience and ability to track down further information that online learning affords. For these people, LIDO has provided e-learning programs (Web-delivered or via software license) since 1999. Yet other people learn best from books—when they can carry their learning tool with them anywhere and read and reread as time and circumstances allow. Therefore, I decided to write this book, to provide a comprehensive source on telecommunications essentials.

A 1775 quote from Samuel Johnson summarizes LIDO's approach to knowledge solutions in telecommunications: "Knowledge is of two kinds: We know a subject or we know where we can find information upon it." LIDO presents this book to help you learn, and it offers the Telecom Essentials Learning Center to help you keep learning. The Telecom Essentials Learning Center offers a number of helpful resources to help reinforce your telecommunications knowledge:

Online quizzes

The online quizzes allow you to test your knowledge after reading each chapter. The quizzes are designed to reinforce what you have learned and assess those areas where you might wish to review the chapter.

Online telecommunications glossary

The telecommunications vocabulary seems to grow daily. You can use the online glossary to search thousands of terms to find definitions quickly.

Student discussion forums

These forums are your place to meet other individuals interested in the telecom field. You will find groups where you can discuss course materials and current events in telecom and where you can make valuable connections with individuals around the world to help advance your telecom knowledge and contact bases.

Links to thousands of related Web sites

Each chapter is supported with links to recommended books, recommended magazines, and a comprehensive list of key sites to visit. This portal includes more than 6,000 links to important destinations in the world of telecom.

The Telecom Essentials Learning Center will help you to keep learning long after you have mastered the essentials of telecommunications.

As a LIDO student, you can also enjoy full access to Telecom WebCentral. At Telecom WebCentral, you will have at your fingertips up-to-the-moment information on the latest applications and financial and legal news as well as connections to telecom career groups and newsgroups.

Whether in seminar, book, or e-learning format, LIDO explains telecommunications technologies very clearly and in an entertaining and interesting fashion to a very diverse professional audience. It also supports ongoing learning by providing knowledge exchanges and e-business opportunities in a Web-based knowledge center and community. LIDO seminars are offered worldwide, and the perspectives you gain in this book or by attending LIDO seminars or e-learning programs are not U.S.-centric. They provide knowledge and understanding of telecommunications environments on a global basis.



Read More Show Less

Table of Contents

Introduction.

About the Author.

Acknowledgments.

I. TELECOMMUNICATIONS FUNDAMENTALS.

1. Understanding the Telecommunications Revolution.

Changes in Telecommunications.

Incorporating Human Senses in Telecommunications.

The Emergence of Wearables.

Moving Toward Pervasive Computing.

Moving Toward Machine-to-Machine Communications.

Adapting to New Traffic Patterns.

Handling New Types of Applications.

Increasing Backbone Bandwidth.

Responding to Political and Regulatory Forces.

The New Public Network.

Convergence.

2. Telecommunications Technology Fundamentals.

Transmission Lines.

Circuits.

Channels.

Lines and Trunks.

Virtual Circuits.

Types of Network Connections.

The Electromagnetic Spectrum and Bandwidth.

The Electromagnetic Spectrum.

Bandwidth.

Analog and Digital Transmission.

Analog Transmission.

Digital Transmission.

Analog Versus Digital Transmission.

Conversion: Codecs and Modems.

Multiplexing.

FDM.

TDM.

STDM.

Intelligent Multiplexing.

Inverse Multiplexing.

WDM/DWDM.

Standards Organizations.

3. Transmission Media: Characteristics and Applications.

Twisted-pair.

Categories of Twisted-pair.

Applications of Twisted-pair.

Analog and Digital Twisted-pair.

Advantages and Disadvantages of Twisted-pair.

Coaxial Cable.

Characteristics of Coaxial.

Applications of Coaxial.

Advantages and Disadvantages of Coaxial.

Microwave.

Characteristics of Microwave.

Applications of Microwave.

Advantages and Disadvantages of Microwave.

Emerging Applications and Developments in Microwave.

Satellite.

Frequency Allocations of Satellite.

Satellite Network Segments.

Satellite Orbits.

Applications of Satellite.

Advantages and Disadvantages of Satellite.

Emerging Applications and Innovations in Satellite.

Fiber Optics.

Characteristics of Fiber Optics.

Components of Fiber Optics.

How Fiber-Optic Transmission Works.

Innovations in Fiber Optics: EDFAs, WDM, and DWDM.

Applications of Fiber Optics.

Advantages and Disadvantages of Fiber Optics.

Wiring for Tomorrow: Undersea Fiber Cables.

4. Establishing Communications Channels.

Establishing Connections: Switching Modes and Networking Modes.

Networking Modes.

Switching Modes.

The PSTN Versus the Internet.

PSTN Characteristics.

Internet Characteristics.

Converging Networks: The Next Generation.

5. The PSTN.

The PSTN Infrastructure.

Service Providers.

Network Access.

Access Services.

Transport Services.

PSTN Architecture.

The Transport Network Infrastructure.

The PDH Infrastructure.

The SDH/SONET Infrastructure.

Signaling Systems.

SS7 Architecture.

SS7 and the Internet.

Intelligent Networks.

AINs.

Next-Generation Networks.

II. DATA NETWORKING BASICS.

6. Data Communications Basics.

The Evolution of Data Communication.

Data Communication Architectures.

Data Communication Traffic.

Data Flow.

The DTE, the DCE, the Transmission Channel, and the Physical Interface.

Modems and Modulation.

Simplex, Half-Duplex, and Full-Duplex Data Transmission.

Coding Schemes: ASCII, EBCDIC, Unicode, and Beyond.

Transmission Modes: Asynchronous and Synchronous Transmission.

Error Control.

The OSI Reference Model and Protocols.

The OSI Reference Model.

Protocols and Protocol Stacks.

7. Wide Area Networking.

Circuit-Switched Networks.

Leased Lines.

ISDN.

Packet-Switched Networks.

X.25.

Frame Relay.

ATM.

8. Local Area Networking.

LAN Basics.

LAN Concepts and Benefits.

LAN Components.

LAN Characteristics.

LAN Transmission Media.

LAN Transport Techniques.

LAN Access Methods.

LAN Topologies.

LAN Interconnection and Internetworking.

Hubs.

LAN Switches.

VLANs.

Bridges.

Routers.

IP Switches.

Enterprise Network Trends.

9. The Internet: Infrastructure and Service Providers.

Internet Basics.

A Brief History of the Internet.

What the Internet Is and How It Works.

Internet Protocols.

Internet Addressing.

The Domain Name System.

The Organization of the Internet.

The Evolution of the POP Architecture.

Internet Challenges and Changes.

Service Providers.

Evaluating Service Providers.

The Service Provider Value Chain.

Internet Interconnection and Exchange.

NAPs.

Peering Agreements.

Private NAPs.

III. NEXT-GENERATION NETWORKS.

10. Next-Generation Networks.

The Broadband Evolution.

Communications Traffic Trends.

Communications Backbone Trends.

Communications Bandwidth Trends.

Communications Application Trends.

Multimedia Networking Requirements.

Digital Video.

Television Standards.

The Broadband Infrastructure.

Converging Public Infrastructures.

Broadband Service Requirements.

Characteristics of Next-Generation Networks.

IP and ATM.

The Broadband Architecture: Multiservice Networks.

The Three-Tiered Architecture.

The Next-Generation Switching Architecture.

QoS.

11. Next-Generation Network Services.

Traditional Internet Applications.

VPNs.

VPN Frameworks.

VPN Applications.

VPN Gateway Functions.

Benefits and Evolution of VPNs.

Security.

Firewalls.

Authentication.

Encryption.

Digital Certificates.

VoIP.

VoIP Trends and Economics.

Advantages of VoIP.

VoIP Applications.

VoIP Service Categories.

VoIP Network Elements.

Next-Generation Standards and Interoperability.

IP PBXs.

The Future of VoIP.

Multimedia on the Internet: Streaming Media.

Streaming Media Trends.

Streaming Media Applications.

Streaming Media on the Internet.

12. Optical Networking.

Optical Networking Drivers.

Components of an End-to-End Optical Network.

EDFAs.

WDM and DWDM.

Optical OADMs.

Optical Switches.

Other Optical Components.

IP over Optical Standards.

Managing Optical Networks.

13. Broadband Access Solutions.

xDSL.

HDSL.

IDSL.

SDSL.

M/SDSL.

ADSL.

RADSL.

VDSL.

HFC 401

HFC Architectures 402

Cable Modems.

Digital Cable TV Devices.

Fiber.

FTTC.

FTTH.

PONs.

Wireless Broadband Access Media.

DBS.

MMDS.

LMDS.

Free Space Optics.

Unlicensed Bands.

Emerging Media.

HomePNA.

Ethernet-in-the-Loop.

PLT.

14. Wireless Communications.

Spectrum Reuse.

Space Division.

Multiple Access Techniques.

Spread Spectrum Techniques.

Duplexing Techniques.

Compression Techniques.

Wireless WANs: Cellular Radio and PCS Networks.

Analog Cellular Networks.

Digital Cellular Networks.

Wireless Data Networks.

Cellular and PCS Standards.

3G Mobile Systems and Beyond.

Mobile Internet.

Wireless MANs.

Wireless Local Loop Applications.

Wireless Local Loop Options.

Wireless LANs.

Wireless PANs.

IrDA.

Bluetooth.

HomeRF.

15. The Broadband Home and HANs.

The Broadband Home.

The Smart House.

Intelligent Appliances.

HANs.

The HAN Market, Applications, and Elements.

Types of HANs.

HAN Gateways and Servers.

Planning for the Future.

Glossary.

Index. 0201760320T04092002

Read More Show Less

Preface

I love telecommunications. It is powerful, and it empowers, with far reaching consequences. It has demonstrated the potential to transform society and business, and the revolution has only just begun. With the invention of the telephone, human communications and commerce were forever changed: Time and distance began to melt away as a barrier to doing business, keeping in touch with loved ones, and being able to immediately respond to major world events. Through the use of computers and telecommunications networks, humans have been able to extend their powers of thinking, influence, and productivity, just as those in the Industrial Age were able to extend the power of their muscles, or physical self, through the use of heavy machinery. Today, new inventions and developments once again are poising telecommunications as a force to be reckoned with, forever changing human communications and commerce, and introducing machines as members of the networked society. This is an exciting era, in which we face a host of new telecommunications technologies and applications that bring breathtaking new opportunities, particularly in the industries of entertainment, education, health care, government, advertising, lifestyle, and, sadly, warfare.

I have a favorite quote, from Eric Hoffer's Vanguard Management: "In a time of drastic change, it is the learners who inherit the future. The learned find themselves equipped to live in a world that no longer exists." The fact that you are reading this shows that you are aware of the monumental changes taking place in telecommunications infrastructures and usage, and are eager to learn what those are--as well you should be! This book is designed to provide a thorough foundation for understanding a wide range of telecommunications principles and technologies.

If you are new to the communications and information industry or simply want an understandable, yet comprehensive overview of telecommunications, this book is for you. Telecommunications Essentials will equip you with a blueprint on which you can build. The telecommunications landscape is vast, and for a newcomer, it is treacherous terrain to navigate. This book provides you with a logical progression in gluing together all the pieces of the telecommunications puzzle. This book will help you to master the basic building blocks of key technologies, from the principles of telecommunications transmission and networking to the current and evolving nature of the Internet, broadband architecture, and optical networking, addressing both wired and wireless alternatives.

What This Book Covers

This book provides a concentrated, high-level overview of the terminology and issues that comprise telecommunications, and it discusses the major telecommunications infrastructures, including the PSTN, the Internet, cable TV, and wireless.

The book is divided into three parts. Part I: Telecommunications Fundamentals explains the basics, the arts and sciences of telecommunications. It begins by explaining the factors that are contributing to the telecommunications revolution and talks about some of the exciting new technologies that are on the horizon. Part I gives you a good grounding in the basics of telecommunications technology and terminology, covering communications fundamentals, and including the characteristics and uses of the various transmission media. Part I also discusses the processes involved in establishing communications channels, examining the differences between circuit-switched and packet-switched networks, and it explores the nature of the PSTN.

Part II: Data Networking and the Internet introduces the basics of data communications and networking. It discusses today's wide-area and local-area networking alternatives, as well as how the public Internet is structured. It also explores next-generation network services, such as VPNs, Voice over IP, and streaming media.

Part III: Next-Generation Networks explores the realm of broadband networking and emerging technologies, including the near and distant future of communications and its convergence with related infotech industries. Part III covers next-generation network architectures, optical networking, broadband access alternatives, home area networking, and the realm of wireless communications.

In almost every aspect of life, it is important to put and keep things in context. A good idea in one situation might be a terrible idea in another situation. This is often the case with telecommunications; there is no one-size-fits-all be-all and end-all telecommunications solution. In assessing telecommunications needs, it is important to think about the prevailing conditions, so that you can choose the best transmission media, the best network architecture, and so on for the situation. It's also important to remember that prevailing conditions change. So, what's right for you today may change six months down the road. As you plan a telecommunications strategy, it is important to look as far into the future as you can, to make your network as adaptable to future innovations as possible.

Online Tools That Supplement the Book

As the founder and president of the LIDO Organization (www.telecomessentials.com), I have been involved in providing educational and advisory services to developers, suppliers, regulators, investors, consultants, and users of telecommunications technologies and networks since 1984. I want to share my knowledge of telecommunications with people in the format that best fits their learning styles. Some learn best in a classroom situation, where they can make eye contact with the instructor, view graphics while the instructor is explaining concepts, and ask questions in person. LIDO has been providing seminars for these learners for 17 years. Some people prefer to learn at their own pace, and they like the convenience and ability to track down further information that online learning affords. For these people, LIDO has provided e-learning programs (Web-delivered or via software license) since 1999. Yet other people learn best from books--when they can carry their learning tool with them anywhere and read and reread as time and circumstances allow. Therefore, I decided to write this book, to provide a comprehensive source on telecommunications essentials.

A 1775 quote from Samuel Johnson summarizes LIDO's approach to knowledge solutions in telecommunications: "Knowledge is of two kinds: We know a subject or we know where we can find information upon it." LIDO presents this book to help you learn, and it offers the Telecom Essentials Learning Center (www.telecomessentials.com/learningcenter) to help you keep learning. The Telecom Essentials Learning Center offers a number of helpful resources to help reinforce your telecommunications knowledge:

Online quizzes

The online quizzes allow you to test your knowledge after reading each chapter. The quizzes are designed to reinforce what you have learned and assess those areas where you might wish to review the chapter.

Online telecommunications glossary

The telecommunications vocabulary seems to grow daily. You can use the online glossary to search thousands of terms to find definitions quickly.

Student discussion forums

These forums are your place to meet other individuals interested in the telecom field. You will find groups where you can discuss course materials and current events in telecom and where you can make valuable connections with individuals around the world to help advance your telecom knowledge and contact bases.

Links to thousands of related Web sites

Each chapter is supported with links to recommended books, recommended magazines, and a comprehensive list of key sites to visit. This portal includes more than 6,000 links to important destinations in the world of telecom.

The Telecom Essentials Learning Center will help you to keep learning long after you have mastered the essentials of telecommunications.

As a LIDO student, you can also enjoy full access to Telecom WebCentral (www.telecomwebcentral.com). At Telecom WebCentral, you will have at your fingertips up-to-the-moment information on the latest applications and financial and legal news as well as connections to telecom career groups and newsgroups.

Whether in seminar, book, or e-learning format, LIDO explains telecommunications technologies very clearly and in an entertaining and interesting fashion to a very diverse professional audience. It also supports ongoing learning by providing knowledge exchanges and e-business opportunities in a Web-based knowledge center and community. LIDO seminars are offered worldwide, and the perspectives you gain in this book or by attending LIDO seminars or e-learning programs are not U.S.-centric. They provide knowledge and understanding of telecommunications environments on a global basis.

0201760320P10152001

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