In-orbit verification of optical inter-satellite communication links based on homodyne BPSK

Berry Smutny,Robert Lange,Hartmut Kämpfner,Daniel Dallmann,Gerd Mühlnikel,Martin Reinhardt,Karen Saucke,Uwe Sterr,Bernhardt Wandernoth,Reinhard Hanno Dr. Sc. Czichy

In-orbit verification of optical inter-satellite communication links based on homodyne BPSK

2008

Berry Smutny
Robert Lange
Hartmut Kämpfner
Daniel Dallmann
Gerd Mühlnikel
Martin Reinhardt
Karen Saucke
Uwe Sterr
Bernhardt Wandernoth
Reinhard Hanno Dr. Sc. Czichy

Laser communication terminals based on homodyne BPSK are under in-orbit verification in LEO-to-ground and duplex LEO-LEO 5.65 Gbps links. With the LEO-to-ground link beacon-less acquisition has been verified as a reliable and quick acquisition procedure with acquisition times less than one minute.

Keywords:

Optical communication
Direct-conversion receiver
Homodyne detection
Communications satellite
Free-space optical communication
Laser
Telecommunications
Satellite
Phase-shift keying
Optics
Physics

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