Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2008-01-08
2008-01-08
Eng, George (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S013200, C455S431000, C455S429000, C455S013300, C370S320000, C370S335000, C370S342000
Reexamination Certificate
active
07317916
ABSTRACT:
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 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 an embedded control signal to the stratospheric platform to communicate a scaling of elements to form the communication beams and the auxiliary element output. The auxiliary element output is used to provide interference canceling.
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Cha Alan
Chang Donald C. D.
Chen Jacqueline C.
Hagen Frank A.
Eng George
The DIRECTV Group Inc.
Torres Marcos L.
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