A system and method of operation for efficiently reusing and/or sharing at least a portion of the frequency spectrum between a first satellite spot beam and a second satellite spot beam, and/or an underlay terrestrial network associated with a second satellite spot beam. The spectrum is efficiently reused...http://www.google.fr/patents/US7636567?utm_source=gb-gplus-shareBrevet US7636567 - Coordinated satellite-terrestrial frequency reuse
