OPALS: Mission System Operations Architecture for an Optical Communications Demonstration on the ISS

Abrahamson, Matthew J.; Sindiy, Oleg V.; Oaida, Bogdan; Wilkerson, Marcus; Kokorowski, M.

doi:10.2514/6.2014-1627

Cited by 12 publications

(7 citation statements)

References 2 publications

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“…In 2010, a bidirectional transmission at 5.625 Gbps, 1064 nm has been made between a LEO satellite NFIRE and the related optical ground station [5]. On June, 2014, the OPALS demonstration instrument from NASA successfully transmitted the first video message of 170 Mb from the ISS to the ground station of JPL at 50 Mbps by modulating the beam from a 2.5 W laser at 1550 nm [6]. Independently of early experiments, this wavelength of 1550 nm is the one chosen by the French national center for space studies (CNES) like most of the actors for their future potential operational direct to earth optical telemetry applications, for performance, eye safety reasons [7], [16], and synergies with telecom mass market [7].…”

Section: Introductionmentioning

confidence: 98%

Telecom & scintillation first data analysis for DOMINO - laser communication between SOTA, onboard socrates satellite, and MEO OGS

Phung

Samain

Maurice

et al. 2015

2015 IEEE International Conference on Space Optical Systems and Applications (ICSOS)

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In collaboration between CNES, NICT, Geoazur, the first successful lasercom link between the micro-satellite SOCRATES and a non-Japanese OGS has been established. This paper presents some results of telecom and scintillation first data analysis for 4 successful links in June & July 2015 between SOTA terminal and Meo optical ground station (OGS) at Caussols France. The telecom and scintillation data have been continuously recorded during the passes by using a detector developed at the laboratory. An irradiance of 190 nW/m² and 430 nW/m² has been detected for 1549 nm and 976 nm downlinks at 35° elevation. Spectrums of power fluctuation measured at OGS are analyzed at different elevation angles and at different diameters of telescope aperture to determine fluctuations caused by pointing error (due to satellite & OGS telescope vibrations) and caused by atmospheric turbulence. Telecom signal forms and bit error rates (BER) of 1549 nm and 976 nm downlink are also shown at different diameters of telescope aperture. BER is 'Error Free' with full-aperture 1.5m telescope, and almost in 'good channel' with 0.4 m sub-aperture of telescope.

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Section: Introductionmentioning

confidence: 98%

Telecom & scintillation first data analysis for DOMINO - laser communication between SOTA, onboard socrates satellite, and MEO OGS

Phung

Samain

Maurice

et al. 2015

2015 IEEE International Conference on Space Optical Systems and Applications (ICSOS)

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“…Previous papers detailed the:  OPALS instrument architecture design 2,3 ,  Mission Operations System (MOS) architecture 4 , and subsequently,  Two-way laser acquisition strategy and history of activities during prime mission operations 5 . But what did it really take to be part of a small JPL operations team?…”

Section: Introductionmentioning

confidence: 99%

Lessons Learned from Optical Payload for Lasercomm Science (OPALS) Mission Operations

Sindiy

Abrahamson

Biswas

et al. 2015

AIAA SPACE 2015 Conference and Exposition

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This paper provides an overview of Optical Payload for Lasercomm Science (OPALS) activities and lessons learned during mission operations. Activities described cover the periods of commissioning, prime, and extended mission operations, during which primary and secondary mission objectives were achieved for demonstrating space-to-ground optical communications. Lessons learned cover Mission Operations System topics in areas of: architecture verification and validation, staffing, mission support area, workstations, workstation tools, interfaces with support services, supporting ground stations, team training, procedures, flight software upgrades, post-processing tools, and public outreach.

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“…[3]. A new opportunity of campaign arises with the possibility to communicate with OPALS on-board ISS [9]. This paper presents new developments and results that have been obtained in the frame of the DOMINO project.…”

Section: Introductionmentioning

confidence: 99%

“…In 2015, five links have been successfully established with SOTA [1] [2] on-board SOCRATES microsatellite. In 2016, the MeO station has been upgraded in order to be able to communicate with OPALS on-board ISS [9] and new developments in adaptive optics were performed by ONERA.…”

Section: Domino Demonstratormentioning

confidence: 99%

Laser communication experiments between Sota and Meo optical ground station

Artaud

Issler

Védrenne

et al. 2017

International Conference on Space Optics — ICSO 2016

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INTRODUCTIONOptical transmissions between earth and space have been identified as key technologies for future high data rate transmissions between satellites and ground. CNES is investigating the use of optics both for High data rate direct to Earth transfer from observation satellites in LEO, and for future telecommunications applications using optics for the high capacity Gateway link. In order to assess the feasibility of these future systems, several studies have been initiated for investigating the propagation channel and its impact on the data transmissions. The aim is to define the more appropriate physical layer, in terms of choice of modulations, coding and interleaving, so that to obtain a robust data link. In order to design future optical transmission systems, field measurements are necessary to confront models with real conditions. The DOMINO project, which stands for "Demonstrator for Optical transMission at hIgh data rate iN Orbit)", aims at performing field measurements with international partners.

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OPALS: Mission System Operations Architecture for an Optical Communications Demonstration on the ISS

Cited by 12 publications

References 2 publications

Telecom & scintillation first data analysis for DOMINO - laser communication between SOTA, onboard socrates satellite, and MEO OGS

Telecom & scintillation first data analysis for DOMINO - laser communication between SOTA, onboard socrates satellite, and MEO OGS

Lessons Learned from Optical Payload for Lasercomm Science (OPALS) Mission Operations

Laser communication experiments between Sota and Meo optical ground station

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