A space-based network for a satellite radiotelephone system includes at least one receive-only satellite and at least one transmit satellite. The transmit satellite can be a transmit-only satellite or a transmit and receive satellite. The receive-only satellite(s) are configured to receive wireless communications...http://www.google.de/patents/US20070072545?utm_source=gb-gplus-sharePatent US20070072545 - Space-Based Network Architectures for Satellite Radiotelephone Systems
