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Fundamentals of Telecommunications 2nd Edition by Roger L. Freeman | PDF Free Download.
This book is an entry-level text on the technology of telecommunications. It has been crafted with the newcomer in mind.
The twenty-one chapters of text have been prepared for high-school graduates who understand algebra, logarithms, and the basic principles of electricity such as Ohm’s law. However, it is appreciated that many readers require support in these areas.
Appendices A and B review the essentials of electricity and mathematics up through logarithms. This material was placed in the appendices so as not to distract from the main theme, the technology of telecommunication systems.
Another topic that many in the industry find difficult is the use of decibels and derived units. Appendix C provides the reader with a basic understanding of decibels and their applications.
The only mathematics necessary is an understanding of the powers of ten. To meet my stated objective where this text acts as a tutor for those with no experience in telecommunications, every term and concept is carefully explained.
Nearly all terminology can be traced to the latest edition of the IEEE Standard Dictionary and/or to the several ITU (International Telecommunication Union) glossaries.
Other tools I use are analogies and real-life experiences. Examples are the train analogy for ATM (asynchronous transfer mode) and the short division experience with my younger daughter for quantization. We hear the expression “going back to basics.”
This book is back at the basics. It is written in such a way as to bring along the novice. Thus, the structure of the book is purposeful; later chapters build on earlier material. The book starts with some general concepts in telecommunications:
What is connectivity? What do nodes do? From there we move onwards to the voice network embodied in the public switched telecommunications network (PSTN), digital transmission and networks, and an introduction to data communications, followed by enterprise networks.
It continues with switching and signaling, transmission transport, cable television, cellular/PCS, ATM, and then network management. CCITT Signaling System No. 7 is a data network used exclusively for signaling.
It was located after our generic discussion of data and enterprise networks. The novice would be lost in the explanation of System 7 without a basic understanding of data communications.
I have borrowed heavily from my many years of giving seminars, both at Northeastern University and at the University of Wisconsin–Madison. The advantage of the classroom is that the instructor can stop and reiterate or explain a sticky point. Not so with a book.
As a result, I have made every effort to spot those difficult issues and then give clear explanations. Brevity has been a challenge for me.
Telecommunications is explosively developing. My goal has been to hit the high points and leave the details to other texts. A major source of reference material has been the International Telecommunication Union (ITU).
The ITU had a major reorganization on January 1, 1993. Its two principal subsidiary organizations, CCITT and CCIR, changed their names to ITU Telecommunication Standardization Sector and ITU Radio Communications Sector, respectively.
Reference publications issued prior to January 1993 carry the older title: CCITT and CCIR. Standards issued after that date carry ITU-T for Telecommunication Sector publications and ITU-R for the Radio Communications Sector documents.
A new edition to a publication is prepared and issued to reflect changes in the industry since the issuance of the prior edition, to correct errors both in substance and format, and to add new material and delete obsolete items.
It is truly a challenge for the author to keep up with the modernization and changes taking place in telecommunications.
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