Dr. Julio Cesar Ramirez Molina Profile

Dr. Julio Cesar Ramirez Molina

at Deutsches Zentrum für Luft- und Raumfahrt eV

SPIE Involvement:

Author

Publications (6)

Proceedings Article | 12 March 2024 Presentation + Paper

Erasure correcting codes for high-throughput optical ground-to-satellite links

Juraj Poliak, Hermann Bischl, Balazs Matuz, Julio Cesar Ramirez Molina, Marcin Ziarko, Jens Haala, Christian Baumgärtel, Mark Gregory

Proceedings Volume 12877, 128770K (2024) https://doi.org/10.1117/12.3001403

KEYWORDS: Transceivers, Receivers, Interfaces, Field programmable gate arrays, Satellites, Doppler effect, Design, Commercial off the shelf technology, Systems modeling, Error control coding

Read Abstract +

Proceedings Article | 20 September 2020 Presentation + Paper

Implementation of variable data rates in transceiver for free-space optical LEO to ground link

Jorge Pacheco-Labrador, Amita Shrestha, Julio Cesar Ramirez Molina, Dirk Giggenbach

Proceedings Volume 11532, 115320J (2020) https://doi.org/10.1117/12.2574390

KEYWORDS: Free space optics, Transceivers, Free space, Telecommunications, Data communications, Satellites, Data acquisition, Transmitters, Field programmable gate arrays, Satellite communications

Read Abstract +

Proceedings Article | 22 August 2020 Presentation + Paper

Demonstration of an FSO/RF hybrid-communication system on aeronautical and space applications

Benjamin Rödiger, David Ginthör, Jorge Pacheco Labrador, Julio Ramirez, Christopher Schmidt, Christian Fuchs

Proceedings Volume 11506, 1150603 (2020) https://doi.org/10.1117/12.2567034

KEYWORDS: Free space optics, Error control coding, Telecommunications, Switching, Data communications, Optical communications, RF communications, Atmospheric optics

Read Abstract +

Proceedings Article | 25 September 2017 Open Access

Inter-island demonstration of optical communication links in robotic operations

Christopher Schmidt, Christian Fuchs, Julio Ramirez, Jorge Pacheco, Martin Brechtelsbauer, Amita Shrestha, Armin Wedler, Philipp Kremer, Vardan Semerjyan, Eric Wille

Proceedings Volume 10562, 105625O (2017) https://doi.org/10.1117/12.2296110

KEYWORDS: Optical communications, Robotics, Control systems, Telecommunications, Space telescopes, Telescopes, Data communications, Astronomical imaging, Video, Lanthanum

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 24 February 2017 Presentation + Paper

DLR's free space experimental laser terminal for optical aircraft downlinks

Christian Fuchs, Christopher Schmidt, Benjamin Rödiger, Amita Shrestha, Martin Brechtelsbauer, Julio Ramirez Molina, Jorge Pacheco, Veronika Gstaiger

Proceedings Volume 10096, 1009610 (2017) https://doi.org/10.1117/12.2254791

KEYWORDS: Free space optics, Free space, Laser optics, Laser communications, Telecommunications, Cameras, Forward error correction, Computing systems, Global Positioning System, Telescopes

Read Abstract +

Proceedings Article | 21 October 2016 Presentation + Paper

Fading testbed for free-space optical communications

Amita Shrestha, Dirk Giggenbach, Ahmad Mustafa, Jorge Pacheco-Labrador, Julio Ramirez, Fabian Rein

Proceedings Volume 9991, 999105 (2016) https://doi.org/10.1117/12.2239111

KEYWORDS: Free space optics, Free space optical communications, Optical testing, Channel projecting optics, Photodetectors, Calibration, Transmitters, Photovoltaics, Sensors, Signal generators

Read Abstract +

Showing 5 of 6 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years