Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater
Reexamination Certificate
2006-06-27
2006-06-27
Orgad, Edan (Department: 2684)
Telecommunications
Carrier wave repeater or relay system
Portable or mobile repeater
C455S426100, C455S013300, C455S101000
Reexamination Certificate
active
07068975
ABSTRACT:
A system for transmitting data to a plurality of satellites is provided. A first satellite in an orbital slot has an associated receive antenna, and is configured to receive signals in a first range of frequencies. A second satellite in the orbital slot has an associated receive antenna. The second satellite is separated from the first satellite by at least a first separation angle, and is configured to receive signals in the first range of frequencies. A first earth uplink antenna, located at a first earth location, is capable of transmitting a first uplink beam at the receive antenna of the first satellite. A second earth uplink antenna, collocated at the first earth location, is capable of transmitting a second uplink beam at the receive antenna of the second satellite. The first uplink beam includes first signals at the first range of frequencies, and the second uplink beam includes second signals at the first range of frequencies. Further, the first uplink beam is substantially attenuated beyond the first separation angle in the direction of the second satellite, and the second uplink beam is substantially attenuated beyond the first separation angle in the direction of the first satellite.
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Grunebach Georgann S.
Orgad Edan
The DirecTV Group, Inc.
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