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Group receiver and transmitter systems


Image: Enno Kapitza for DLR

The receiver and transmitter systems group develops platform systems for interference and spoofing-proof navigation and communication systems.

In view of the growing number and dependence on satellite navigation services and the ease with which conventional receiver systems can be disrupted, the group of receiver and transmitter systems provides important key technologies for increasing the reliability and security of these systems. These are of particular importance in the growing markets of fully automated driving and flying.

One focus of the current work is the development and validation of interference resilient satellite navigation receivers for governmental and security-critical applications, especially in the field of civil aviation, as well as for safety critical infrastructures and governmental tasks. A core competence is space and time adaptive technologies for the reliable detection and suppression of interference signals with group antennas. The receiver and transmitter systems group covers the area after the antenna up to the real-time software. The work is closely linked to the antennas and receiver algorithms groups.

Another focus is the development of high-speed, interference resilient communication systems. A core competence is retrodirective antennas.

Research topics of the working group

  • System development
    • System conception on hardware and software
  • software development
    • Spatial and temporal suppression of interference signals
    • Dual-stage multi-antenna processing in satellite navigation receivers
    • Direction of arrival estimation for interference signals and other electromagnetic radio sources
    • Interference monitoring
    • Investigation of the influence of hardware imperfections of analog signal processing on positioning accuracy and performance of interference suppression
  • Hardware development
    • Concept development for analog signal processing
    • Development of circuit diagrams and layout
    • Prototype production
    • Test and measurement

Current projects

  • Rosanna: Development of a miniaturized satellite navigation receiver for drones
  • GALANT: Development of an interference and spoofing-proof satellite navigation receiver for safety-critical applications in civil aviation.
  • HyDEF: Defense against hypersonic missiles by GNSS spoofing
  • NGWS: Evaluation of studies in the FCAS (Future Combat Air System) context
  • C-UAS: Defense against drones by manipulating satellite navigation signals

The receiver and transmit systems group is member of the EU-U.S. Cooperation on satellite navigation in Working Group C.

Contact
Manuel Cuntz
Group Leader

German Aerospace Center

Institute of Communications and Navigation
, Navigation
Oberpfaffenhofen-Wessling

Tel.: +49 8153 28-3072

Fax: +49 8153 28-2328


Videokanal des Instituts

Current Projects
GALANT
ROSANNA
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