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- 저자 : Zabid Ahmed (검색결과 1 건)
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Md. Sazal Miah,Md. Atiqur Rahman,Zabid Ahmed,Yeonggwang Kim,Jinsul Kim 한국디지털콘텐츠학회 2020 The Journal of Contents Computing Vol.2 No.1
Satellite communication assumes a crucial job in the innovative advancement of a nation. Being the nation"s first communications satellite, Bangabandhu Satellite-1 (BS-1) is considered as an achievement for Bangladesh in the advanced Era. With the effective dispatch and situated in an orbit, this is a proper journey towards the space age for this developing nation that became freedom just 47 years ago. The main objective of this research is to study and compare to analyze the performance of different modulation techniques relevant to the Bangabandhu Satellite-1 communications system. The working principle and modulation techniques of Bangabandhu Satellite-1 as well as the advantages of this satellite in Bangladesh are illustrated here. The analysis and design of the elements of modern satellite communications systems are considered here. Firstly, we have introduced the concept of satellite communication along with its background and motivation. A discussion of the history of BS-1 and its coverage area, technical aspects, frequency bandwidth, services, advantages, and key features are included. Next, we have described different types of analog and digital modulation, highlighting the ones that are being used in BS-1. The performance of different modulation techniques is implemented and compared using MATLAB based simulation. Finally, we can come to the conclusion that modulation techniques used in BS-1 are well serving the purposes considering its performance and beneficial criteria as compared with others.
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