06895217 is referenced by 20 patents and cites 153 patents.

A system has a stratospheric platform with a payload controller and a phased array antenna having a plurality of elements. A gateway station communicates with the stratospheric platform. The gateway station scales the plurality of elements to form a reconfigurable plurality of beams. The gateway station communicates a control signal to the stratospheric platform to communicate a scaling of the elements. The stratospheric platform configures the elements of the phased array antenna according to the scaling using adaptive interference rejection. The gateway station has an adaptive beam processor coupled to user position files. The adaptive beam processor with the user position data can adaptively cancel interference from other beams.

Title
Stratospheric-based communication system for mobile users having adaptive interference rejection
Application Number
9/644224
Publication Number
6895217 (B1)
Application Date
August 21, 2000
Publication Date
May 17, 2005
Inventor
Alan Cha
Glendale
CA, US
Donald C D Chang
Thousand Oaks
CA, US
Agent
John A Crook III
Georgann S Grunebach
Assignee
The DIRECTV Group
CA, US
IPC
H04B 007/19
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