A communication system has a stratospheric platform with a payload controller and a phased array antenna having a plurality of main array elements for generating a plurality of communication beams and a plurality of auxiliary elements for canceling interference between the communication beam. A gateway...http://www.google.ca/patents/US7317916?utm_source=gb-gplus-sharePatent US7317916 - Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection
