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Introduction To Satellite Communication 3rd Edi...

The book is very clear and comprehensive. The scope of the book is very large: almost all aspects of current satellite communication systems are studied. Hence, the book keeps its promise in that it provides a quick start for someone who is new to the satellite communications business.

Introduction to Satellite Communication 3rd Edi...

This updated and extended new edition has been compiled from the course material of the highly successful IEE Vacation School of the same name. The vacation school was designed to give a broad introduction to the subject of satellite communications and provide the background knowledge and tools of the trade for those entering the field. The 3rd edition of the book continues this theme and up-to-date information on mobile and personal satellite constellations, navigation and positioning, and military and small satellite systems has been added, as well as a look to future Ka-band multimedia systems. We have also included updated ITU information and sections on history, organisation and the satellite business. The book differs from others on the subject in its pragmatic and engineering-oriented approach. The contributors are all current practitioners from industry or academics specialising in the field.

There have been many changes in the thirty three years since the first edition of Satellite Communications was published. There has been a complete transition from analog to digital communication systems, withanalog techniques replaced by digital modulation and digital signal processing. While distribution of television programming remains the largest sector of commercial satellite communications, low earth orbit constellations of satellites for Internet access are set to challenge that dominance.

Satellite Communications is required reading for undergraduate and postgraduate students in satellite communications courses and an authoritative reference for engineers working in communications, systems and networks, and satellite operations and management.

12 LASER SATELLITE COMMUNICATION SYSTEMS we extend the treatment from Chapter 11 to examine laser satellite communication systems. Various second-order and fourth-order statistics are developed. Beam-wander-induced scintillation caused in an untracked uplink collimated beam is discussed in detail and several comparisons with recent simulation results are included.

DCI Telecommunications Inc. out of Denver wanted to upgrade their microwave routes to compete with AT&T, so I was consultant. I worked for them for about a year and a half helping them convert them and teaching their people how to do digital voice and how to compete with AT&T on a marketing basis. They were a good client, and also I talked with them about satellites and how someday there would be a satellite system.

Electromagnetic radiation is reflected or absorbed mainly by several gases in the Earth's atmosphere, among the most important being water vapor, carbon dioxide, and ozone. Some radiation, such as visible light, largely passes (is transmitted) through the atmosphere. These regions of the spectrum with wavelengths that can pass through the atmosphere are referred to as "atmospheric windows." Some microwaves can even pass through clouds, which make them the best wavelength for transmitting satellite communication signals.

This course covers the two areas: 1) management and organizational behavior and 2) strategic management. In both cases topics specific to the telecommunications industry will be stressed. Topics will include principles of leadership and personnel management, staffing and training, organizational structures, typical organizational structures in the telecommunications industry, introduction to the concept of strategy, industry analysis and competitive dynamics, and strategic cost analysis. Specific case studies in the telecommunications industry will also be addressed.

An examination of satellite telecommunication systems with an emphasis on the mobile satellite systems (MSS). Topics will include a historical perspective, orbital mechanics and constellations, choice of orbital parameters, propagations considerations, link budgets, interference issues and other obstacles, and existing and proposed mobile satellite systems. It will also look at some of the business aspects such as the cost of deploying and maintaining these systems.

Satellite communication is transporting information from one place to another using a communication satellite in orbit around the Earth. Watching the English Premier League every weekend with your friends would have been impossible without this. A communication satellite is an artificial satellite that transmits the signal via a transponder by creating a channel between the transmitter and the receiver at different Earth locations.

We know that there are different ways to communicate, and the propagation of these waves can occur in different ways. Ground wave propagation and skywave propagation are the two ways communication takes place for a certain distance. The maximum distance covered by them is 1500 km, which was overcome by the introduction of satellite communication.

The communication satellites are similar to the space mirrors that help us bounce signals such as radio, internet data, and television from one side of the earth to another. Three stages are involved, which explain the working of satellite communications. These are:

The communication takes place between the transmitter on the first earth satellite to the receiver which is the second earth satellite. The transmission of the signal is unidirectional. Some common one-way satellite communication is:

Satellites are relay stations in space for the transmission of voice, video and data communications. They are ideally suited to meet the global communications requirements of military, government and commercial organizations because they provide economical, scalable and highly reliable transmission services that easily reach multiple sites over vast geographic areas. Transmissions via satellite communications systems can bypass the existing ground-based infrastructure, which is often limited and unreliable in many parts of the world.

Satellite communication system has entered transition from point-to-point high cost, high capacity trunks communication to multipoint to-multipoint communication with low cost. Satellite Communication has moved in many steps ahead like frequency reuse, interconnecting many ground terminals spread over the world, concept of multiple spot beam communications, Laser beam based communication through satellites and use of networks of small satellites in low earth orbit. In this paper satellite communication advancement, different application aspect present and future is discussed. Satellite communication has many application and market if we can pool our resources, come up with innovative and low cost solutions for world community.

Satellite communication [1] service industry has grown more rapidly than was forecasted in 1992.This growth has been a global phenomenon as the economies of world have increased and improved a great extent requiring increased communication services for both business and consumer markets. With this increased demand and recent large, rapid expansion of business, consumer terrestrial mobile and internet communication services has opened new opportunities for satellite communication. Mobile and Internet transport access businesses have stimulated the demand for new multi- state satellite constellation to serve this market on both the national and international scale. Growth in above areas coupled with the global increase inTV viewer ship and high data rate transport have been responsible for the recent and future anticipated growth. There is also new demand for integrated satellite, terrestrial

communications that will enable the transport of information seamlessly across these transport media. Theslarge and rapidly growing satellite based business opportunities have attracted the attention of government and industrial interests of many countries and these nations are making significant investments of new capital to enable them to participate in this growth market. Many countries have allocated funds for satellite R&D projects to ensure their long term presence in the commercial satellite industry. The expansion of satellites into new applications and the increased global demand for satellite communications services have attracted the attention of investment community.

This has resulted in the formation of new satellite service providers and stimulated mergers and acquisitions, the creation of new companies, the formation of global partnership and the privatisation of formerly public satellite service organisations. The satellite communication industry has grown tremendously and number of professionals and range of activities have grown as well [2]. In the past, commercialcommunication satellite manufacturing and service provider organisations tended to be conservative and to be hesitant about inserting new technology into satellites. This has changed in response to immediate need to serve customers burgeoning demand for entertainment programming TV, mobile communications and access to high bandwidth Internet data. Industry is inserting new technology into satellites at rapid pace. 041b061a72


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