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Category: Communication

Description: Telecommunication is an important part of modern society. Nowadays, it may be clear to everyone that radio and television are of particular importance to broadcast news and information to all parts of the world, and have enormous cultural implications. With the use of technological development in the last few decades, the scope of operation and efficiency of these forms of mass media have increased daily. The facility of global coverage for transmitters has been enhanced with the use of satellites. In the meantime, it is essential to build ground transmitter antennas and construct metal and concrete towers & masts to install telecom antennas to transmit waves to conventional receivers. The design and build of telecom structures is a very specialised issue, which requires the cooperation of several specialists involved in such projects including telecom, structural, geotechnical engineers, and architects. These structures can be constructed as symbolic and landmark structures in urban areas or may be erected at the top of mountains. Undoubtedly the structural aspects of telecom towers and masts should play a significant role in the mind of the architect and designer. As a result, the realisation of all architectural ideas depends on structural assessment. How should these elegant and powerful structures, which represent the power and glory of human civilization, be constructed? What are the factors influencing their design and locations? What factors impact their effective height, and the answers to these questions and many others, have been examined in this book. The present book consists of 12 chapters and is in Persian. The evolution of communication technology is discussed in the first chapter. In the subsequent chapters of the book, the types of telecom structures, as well as the antenna array and radiation patterns, have been described concisely. Moreover, in Chapters 4, 5, and 6, the construction and the technical issues of the antennas, as well as the basic structures supporting them, have been discussed in detail. The fundamentals of the structural design of the telecom towers and masts have been explained in Chapters 9 and 10, and examples of a few existing towers and masts have been examined. At the end of the book, a glossary of antennas and related equipment has been added for the use of the readers.