Patent ID: 8467733

Claim:
A system for wireless communication between an airborne platform and a surface base station, the system comprising: an antenna array at an airborne platform configured to: generate a plurality of directional synchronization beams, wherein the plurality of directional synchronization beams are directed in at a plurality of corresponding spatial directions; receive a response to at least one of the plurality of generated directional synchronization beams thereby determining directionality of a base station from the response; receive a training beam including a known data; generate weights from the received known data; form a directional beam towards a base station, wherein the directional beam is spatially oriented signal propagation originating from the airborne platform, and wherein the directional beam receives signals from the surface base station; and wherein the directional beam is formed using a modified base signal, and wherein the modifying the base signal includes modifying at least one of phase and amplitude using the generated weights; identify at least one source of interference by flagging all radiating sources, identifying at least one inbound beamform, removing the radiating sources which are generating the at least one inbound beamform from the flagged radiating sources, and setting remaining flagged radiating sources as interference sources; and form at least one null to substantially attenuate the at least one source of interference.