Kaviyarasu assistant professor department of aerospace engineering madras institute of technology chromepet, chennai. The introduction of satellite technology has also given the banks the bandwidth to offer a comprehensive suite of services to their remote branches that typically lack highspeed landline services. What are advantages of satellite communication over. Communication satellites can be categorized in terms of usage like commercial, military, amateur or experimental, service type like fixed service satellite fss, broadcast service satellite bss, and mobile service satellite mss which is the area ofinterest in this thesis. Satellite technology and how it will change the way of. Soon after the launch of atws6, a satellite designed to aid people nasa ground controllers trained its antenna on appalachia. Satellite and terrestrial hybrid networks, first edition. The revised and updated sixth edition of satellite communications systems contains information on the most recent advances related to satellite communications systems, technologies, network architectures and new requirements of services and applications.
Lead a class discussion making sure to cover what needs we had the led to the development of satellite technology and how this technology has changed our world. Manufacturers of global network hardware and suppliers of telecommunications are designing 5g. Among the services that satellites can provide for disaster risk management and emergency response are weather forecasting, remote sensing, geopositioning, navigation, television and telecommunication. Satellites can be either polar orbiting, seeing the same swath of the earth every 12 hours, or geostationary, hovering over the same spot on earth by orbiting over the equator while moving at the speed of the earths rotation.
The technology has proven its versatility versus other communication formats with its ability to provide service to areas on the globe that are virtual inaccessible to most others technologies. Gps technology has made an impact on navigation and positioning needs with the use of satellites and ground stations the ability to track aircrafts, cars, cell phones, boats and even individuals has become a reality. Introduction to satellite communication technology for nren 2 the first satellite was the moon, of course, but the idea of communications satellites came from sir arthur c. Xm satellite radio xms satellite radio, a technology providing a thorough new way to listen to radio, has made use of advanced satellite adequacies and details global receiver architecture, which delivers a wide multitude of high quality radio programming nationwide.
For canada trust bank, the service has been utilized to train employees at branches across canada. New satellite technology has played an important role in development of digital and online journalism. Precision agriculture pa, satellite farming or site specific crop management sscm is a farming management concept based on observing, measuring and responding to inter and intrafield variability in crops. The ancient suggestion of availing artificial satellites for the purpose of exchanging information was found in a science fiction called brick moon which was published by the evert hale in the year of 186970. Importance of satellites highland road park observatory. Also explore the seminar topics paper on stratellite with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2015 2016. Introduction to satellite communications technology for nren. But the aslv mission to launch sross1 in march, 1987 and sross2 in july, 1988 failed. What kinds of people work in the satellite industry.
The first communications satellite a simple reflector was the u. Satellite internet is the new internet technology added in the telecommunication sector. Some of the pictures below highlight these comparisons. With increasingly sophisticated satellite remote sensors, we can measure a wide range of geophysical parameters such as surface temperature, distribution of clouds and aerosol particles, the abundance of trace gases in the atmosphere, or the distribution and types of life on land and in the ocean with unprecedented accuracy and resolution. Satellite technology and how it will change the way of communication. The electric force between two electrons is the same as the electric force between two protons when they are. Satellite technology is widely used for use in remote regions or on the open ocean. Gps satellite can show you exact position on the earth any time, in any weather, no matter where you are. For terrestrial links antennas are located at a specific height to overcome obstacles and also repeaters are to be used in between the links to compensate for path losses. How satellites are used in everyday life media essay. The outer space has every time enchanted people on the earth and the exchange of information through space developed as an offshoot of suggestions for the space travel. Simple missions with limited objectives will yield the lowest cost scenarios. Distribute version 1 appendix1 to students and have them write the second version. The merriamwebster dictionary explains satellite as a heavenly body orbiting other heavenly or celestial bodies of larger size or it is a vehicle intended to earth or it is a vehicle intended to orbit.
Satellite technology has advanced dramatically since the launching of the first artificial satellite, sputnik, in 1957. Feb 15, 2021 explore stratellite with free download of seminar report and ppt in pdf and doc format. The story describes the construction and launch into earth orbit of a. The authors noted experts on the topic cover the stateoftheart satellite communication systems and technologies and examine the relevant. This module describes the overall architecture of a satellite communications system, discusses the concept of orbit and what are the typical. The idea of communicating through a satellite first appeared in the short story titled the brick moon, written by the american clergyman and author edward everett hale and published in the atlantic monthly in 186970. To achieve the accuracy needed, current gradiometer technology requires cooling to very low tempe. The node from which the satellite ascends northwards in the orbital plane is called the ascendingnodewhereas the node from which the satellite descends southwards is called the descendingnode. Technically capable small satellite buses suitable for earth observation missions are now available. Aug 29, 20 an active satellite acts as a repeater a satellite is a solid object which revolves around some body due to the effect of gravitational forces or a satellite is an object which has been placed into orbit by human endeavour. Satellite imagery is also able to cover greater spatial areas, removing sizable coordination and costs associated with labour intensive manual surveys.
Introduction satellites are manmade systems that operate in space the broadest definition of satellite includes celestial bodies such as the moon orbiting around planets. Satellite communication satellite communication development of satellite communication. This decade was primarily devoted for laying a sound technical foundation on satellite technology through conducting large scale experiments involving experimental satellites like aryabhata, bhaskara, rohini and apple, development of a modest launch vehicle slv3 and practical demonstration of the benefits of remote sensing of natural resources from the remote sensing satellites. The soviet union continued its development of satellite technology with the molniya series of satellites, which were launched in a highly elliptical orbit to enable them to reach the far northern regions of the country.
For the past three decades, it has been possible to measure the earths static gravity from satellites. Also, satellite mainly use the artificial satellites to deliver communication various media of network. Lower cost launch arrangements and development of earth station technology and particularly application specific integrated circuits have been key to driving down the cost and size of ground antennas and transceivers. It is meant to be an entry point for space image data, and, in particular, to a widespread visibility of earth observation applications for education and training. Stretched rohini satellite series sross had been planned to be launched by the aslv augmented satellite launching vehicle for space science, technology and applications. A weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the earth. Pdf in the previous chapters, experts have contributed examples of their work on the impacts of space based earth observation on society.
Improvements and advancements in satellite technology have enabled scientists to produce and transmit images live across various news mediums from even highly remote areas such as war zones. Totally collapsed buildings as well as partially collapsed but with roof replaced ones can be identified on satellite images. The soviets launched the first manmade satellite, sputnik 1, in 1957. Use of geomatic technology for disaster management. Satellite services have unique and necessary characteristics required for proper implementation of an iot ecosystem. With more than 20 billion connected things expected to be in use throughout the world by 2020, 2 combined with new technologies. They will guide you through the discovery of satellite communications. Advances in technology and the response of the marketplace have led to smaller sensors, satellites, and launch vehicles capable of performing useful space missions at relatively low cost. The use of satellitebased technology in developing. Pdf seminar project report on global positioning system. Use of geomatic technology for disaster management tsunami. The primary motivation for satellite formation flying is that multiple small satellites. For resource monitoring and weather information multimedia video and highspeed internet connectivity and the earth imaging satellite networks are used. Advances in earth oriented applied space technologies, vol.
Surveying using gps and conclusion intergovernmental. Satellite communications are comprised of 2 main components. It is proposed to integrate 5g technology for a global coverage. Kaviyarasu assistant professor department of aerospace engineering madras institute of technology chromepet, chennai prepared by orbital plane all of the planets, comets, and asteroids in the solar system are in orbit around the sun. Birth of satellite communications 111 communications satellites may be used for many applications.
The power used to send a communications signal to the earth from a satellite is about the same as a typical 60w light bulb, just like you have at home. The goal of precision agriculture research is to define a decision support system dss for whole farm management with the goal of optimizing returns on inputs while preserving resources. Pdf in the previous chapters, experts have contributed examples of their work on the impacts of spacebased earth observation on society. Pdf satellite communications systems maral et bousquet. By 1967 six molniya satellites provided coverage throughout the soviet union. The satellite costs are independent of distance whereas the terrestrial network costs are proportional to distance. To achieve the accuracy needed, current gradiometer technology requires cooling to very low temperatures to minimize thermal noise, so an sgg satellite will need. In this chapter, the definition of satellite is limited to manmade spacecrafts only.
Satellite communication seminar and ppt with pdf report. Engineers, rocket scientists, sales people, writers, accountants and lawyers. There are hundreds of satellites orbiting earth right now, launched and funded by many different nations the us included. Satellite communications systems maral et bousquet. The first satellite in this series, molniya 1, was launched on april 23, 1965. The rapid introduction of microwave sensing methods and means into. Stratellite seminar report, ppt, pdf for ece students. These segments are almost similar in the three satellite technologies, which are all together make up the gnss. Technology innovation has also led to the growth and development of satellite communications services.
Furthermore, this is a cultural and technological evolution and it is the nature of evolution that it accelerates. Their high orbits and visiblelight and infrared sensors allow for constantsurveillance of weather patterns over the entire planet and have enabledgoes to revolutionize. Spacecraft development, launch and radio license approvals, technology development, and mission operations efforts to support scientific cubesat missions are being duplicated at multiple centers and at investigator facilities. As we have seen, satellites have had a major impact on our lives, in both personal areas and in industry. All of those orbits line up with each other making a kind of flat disk called the. Table 2 selected factors in the application of satellite technology in oecd countries. The line joining the ascending and descending nodes is called lineof nodes. Nov 08, 2012 1974 first geostationary satellite goes best known as weather satellites, the first goes geostationaryoperational environmental satellite was launched on october 16, 1975.
Gps technology has made an impact on navigation and positioning needs with the use of satellites and ground stations the ability to track aircrafts, cars, cell phones. Currently, satellite internet plays a vital role in the global platform. The rapidly increasing potential of cubesats as a platform for scientific discovery translates into a need for better coordination and management at nasa. Jun 05, 2015 satellites are launched into the space to do a specific job, there are satellites that are launched to monitor the cloud patterns for the weather station, there are satellites that launched to send television signals for sky tv, and every satellite has to be designed specifically to fulfill its function. Intelsat, intelsat service manual, washington, october 1987 and. Instruments onboard satellites circling the earth are designed to cover specific wavelength ranges of the electromagnetic. Satellite lifecycle management technology trends polarisation introduction tp satellite link analysis. As of today, the complete satellite technology is the gps technology and most of the existing worldwide applications related to the gps technology. Technology advances are helping reduce sensor size and cost as long as complex deployables are not required. Satellite communication introduction tutorialspoint. Since the introduction of gps many other countries have developed similar satellite based navigation systems, such as the russian glonass, chinese beidou and european galelio. Create a rubric to evaluate the two versions of the satellite stories that students write. The ancient suggestion of availing artificial satellites for the purpose of exchanging information was found in a.
They are used for things like gps or cellular communication, but also for measuring different aspects. For example, a very important design factor for solar electric propulsion is the duration of operation, and the applicability of passive deorbit devices can vary drastically at di. Satellites 1158 words 123 help me free essays, term. The use of satellitebased technology in developing countries. Modern surveying gps equipment, and recent smart phones, are now able to use multiple systems thus increasing the number of satellites visible at any one time. Satellite communication seminar ppt with pdf report. Didactic material on satellite technology for children and schools eduspace of esa aims to provide secondary school students and teachers with a learning and teaching tool. Thus, lowcost sensors that can be accommodated on these smaller satellite buses and launch vehicles can be flown as lowcost small missions. This form of technology is called satellite news gathering technology or sng and it uses mobile. What are the importance and uses of satellites in our life. Video created by institut minestelecom for the course introduction to satellite communications. You will get all the answers in this course from teachers and researchers from three schools associated with institut minestelecom. Totally collapsed buildings as well as partially collapsed but with roof replaced ones can be identified on satellite.
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