rootbrowseIAC-05D1session 44. Space Systems ArchitecturesPapers1. A Model to Assess the Mars Telecommunications Network Relay Robustness2. Computer Simulation of Remote Synchronization System of Onboard Crystal Oscillators for Quasi-Zenith Satellites3. Mission Concept for Autonomous on-orbit Assembly of a Large reflector in space4. Distributed Information and Electric Power Network for Panel Extension Satellite (PETSAT) 6. Low-Cost and Reliable Ground Station Network to Improve Operation Efficiency for Micro/Nano-Satellites7. System Design and Performance of the Two-Gyro Science Mode for the Hubble Space Telescope