The present non-terrestrial feature transparency system spoofs the Air-to-Ground Network and the ground-based cellular communication network into thinking that the wireless subscriber devices have no special considerations associated with their operation, even though the wireless subscriber devices are...http://www.google.de/patents/US20070021117?utm_source=gb-gplus-sharePatent US20070021117 - System for integrating an airborne wireless cellular network with terrestrial wireless cellular networks and the public switched telephone network
