Results 231 to 240 of about 44,451 (275)
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Optics Communications, 2013
Abstract Inter-satellite optical-wireless communication systems (IsOWC), one of the important applications of FSO/WSO technology, will be deployed in space in the near future. The IsOWC systems provide a high bandwidth, small size, light weight, low power and low cost alternative to present microwave satellite systems. In this paper, we have reported
Vishal Sharma, Naresh Kumar
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Abstract Inter-satellite optical-wireless communication systems (IsOWC), one of the important applications of FSO/WSO technology, will be deployed in space in the near future. The IsOWC systems provide a high bandwidth, small size, light weight, low power and low cost alternative to present microwave satellite systems. In this paper, we have reported
Vishal Sharma, Naresh Kumar
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Optical inter-satellite link terminals for next generation satellite constellations
Free-Space Laser Communications XXXII, 2020The aerospace network connectivity market is currently experiencing a renewed period of intense activity in space, driven by numerous companies planning constellations of thousands of low Earth orbit satellites. These constellations - globe-spanning networks of interconnected satellites - promise to enhance Earth observation, facilitate the Internet of
Carlos Carrizo +4 more
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Study of Optical Amplifiers for Inter-satellite Links
21st International Communications Satellite Systems Conference and Exhibit, 2003global multimedia mobile satellite communications service with a user data rate around 2 Mbps for handy terminals. The target year for commercial implementation is 2010. Nextgeneration LEO System Research Center (NeLS) was formed in the end of 1997 as a research group under the Telecommunications Advancement Organization of Japan (TAO), in cooperation ...
Yoshisada Koyama +3 more
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The optics mechanical module for inter-satellite link
SPIE Proceedings, 2016Inter-satellite link (ISL) is a system of several satellites, which encircle the earth and spaced at a fixed distance from each other - of about 3000 kilometers. The optical-mechanical module (MOM) for the ISL is designed to transmit data over long distances in a small range of angles.
E. A. Tsyganok, B. N. Dobriakov
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Laboratory Characterization of Optical Inter-satellite Links for Future GNSS
ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation, 2019Optical inter-satellite links are proposed in the Kepler constellation to connect satellites in a Global Navigation Satellite System (GNNS) constellation for optical ranging, time transfer and data transmission [1]. A laboratory demonstrator is being developed to verify all three aspects.
Janis Surof +5 more
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Simulation of BPSK Costas loop for optical inter satellite link
2017 2nd IEEE International Conference on Recent Trends in Electronics, Information & Communication Technology (RTEICT), 2017With the development of high resolution cameras for Earth observation applications, there is increasing demand on a high data rate Satellite communication link. Free Space Optical (FSO) communication is a suitable candidate for such high data rate communication and offers several advantages.
Dandigunta Sai Deepthi +2 more
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Dynamic link attenuation of inter-satellites homodyne BPSK optical communication
SPIE Proceedings, 2014This paper summarizes the results of a dynamic link attenuation probability study in inter-satellites homodyne BPSK optical communication system. The impacts of the pointing and tracking error on the coherence receiving power are investigated analytically.
Zhousi Yao +4 more
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Optical Inter-Satellite Links: Applications in Defense
PROELIUM, 2016Nos dias de hoje, o uso de satélites é essencial na vida quotidiana e afeta quase todos os campos de atividade da sociedade. Na Defesa, as comunicações por satélite têm um papel preponderante: a possibilidade de obter informação sobre as atividades do inimigo e sobre o teatro de operações em tempo real, é vital para o sucesso de qualquer missão.
Guimarães, Jonathan +2 more
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Laboratory Demonstrator of Optical Inter-satellite Links for the Kepler System
ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation, 2018The paper presents the laboratory demonstrator design of the bidirectional inter-satellite optical link for the Kepler system. Communication and ranging subsystem serves for data transmission at 50 Mbit/s and providing highly precise sub-millimeter ranging accuracy.
Poliak, Juraj +4 more
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Pointing Acquisition And Tracking System For Silex Inter Satellite Optical Link
SPIE Proceedings, 1989This paper is concerned with the architecture and functional analysis of the Pointing Acquisition and Tracking (PAT) subsystem of the European Silex program (Semiconductor laser Intersatellite Link Experiment). The Silex scenario is composed of two optical terminals mounted on low earth orbit, and geosynchronous orbit spacecrafts.
E. Perez, M. Bailly, J. M. Pairot
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