Authors
Vijaylaxmi Ayyappan
Abstract
The communication in the entire world is evolving and revolutionized with the satellite’s advent and it has also served mankind in many ways for example to forecast the weather, thereby reducing the effects of disasters. Provides broad range of communication services such as televisions, radio, astronomical signals etc. The linkage of satellite communication may be utilized for the purpose of fax and voice transmission to Aircraft on international paths. GPS, Global telephony, multimedia video and the connectivity of internet, earth imaging using the remote sensing satellites for monitoring the resources. The system of satellite communication has entered a point of transition from high cost to affordable cost. In this paper, the advancements in satellite communication, different applications of satellite communication has been explained in detail. Keywords: Satellite communication, International Aircraft, GPS
Introduction
A parallel world of satellite communication has grown rapidly after 1992 and this rapid growth is considered as a global phenomenon for entire world. With the advancement in technologies and urbanization, a simultaneous increase in communication services was required for easy communication, data transfer, navigation, weather forecasting etc.
The development of mobile phones, computers and other gadgets and internet related businesses encouraged the mandate for new multi-state constellation of satellite to aid this market on both national as well as international measures. Satellites of any kind needs a big capital to set up therefore every country is competing in the race of providing best satellite services to its people For the purpose of satellite research and development projects, many countries have allocated funds to ensure their long term. According to Vanzara, Sharma and Bhatt 2015, the current research on satellites shows that there are many loopholes that needs to be filled such as internetworking using other access technologies such as LAN & Wi- Max, QoS enhanced version provisioned over multi segment networks, security and on board satellite processing that is used for challenging applications over satellites. On the basis of altitude, satellites are categorized into three groups: Geo stationary Earth orbit (GEO), Medium Earth Orbit (MEO) and Low Earth Orbit (LEO). MEO and LEO satellites have a short round trip and GEO satellite have a round long trip time.
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| APA Style | Ayyappan, V. (2019). Advancement and Challenges for Satellite Communication Systems. Academic Journal of Astrophysics and Planets, 1(1), 1-5. |
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