rootbrowseIAC-18B2session 11. Advanced Space Communications and Navigation SystemsPapers1. SatCom 2025 – The near future of satellite communications in Germany2. Electra: Highly Versatile and Efficient Small GEO Platform3. Flexible Payload Capabilities in ELECTRA4. The Heinrich Hertz Satellite5. Ka-band High-Rate Downlink System for the NISAR Mission6. Improved Throughput Satellite System using Efficient Transceiver Architecture7. A technical comparison of three low Earth orbit satellite constellations systems to provide global broadband8. Free space optical communications : a new solution for very high-speed feeder links of VHTS9. Study on Alternatives Comparison of Relay Satellite Based on Laser Links10. Challenges in designing satellite constellation for providing uninterrupted network security through Quantum Key Distribution at a larger geographic region11. Communication and Navigation Architecture for Planetary Exploration Carried-on by a Swarm of Mobile Robots12. The Galileo Reference Centre and its role in the Galileo Service Provision