GLOBAL COMMUNICATION SYSTEM
First Claim
1. A global communication satellite system comprising:
- at least three communication satellites wherein each communication satellite is disposed in a geostationary orbit about the Earth;
each communication satellite including a feed horn array having at least 4,000 feed horns with each feed horn capable of transmitting at least one radio frequency (RF) signal;
said feed horn array producing a plurality of spot beams with each spot beam corresponding to a spot beam area on the surface of the Earth and with each spot beam area having a generally circular shape with a diameter less than 150 miles;
each spot beam area overlapping with a plurality of other spot beams areas; and
the plurality of spot beams providing saturation coverage of all populated land areas of the Earth.
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Abstract
A global communication satellite system includes at least three communication satellites. Each communication satellite is disposed in a geostationary orbit about the Earth. Each communication satellite also includes a feed horn array having at least 4,000 feed horns with each feed horn capable of transmitting at least one radio frequency (RF) signal. The feed horn array produces a plurality of spot beams with each spot beam corresponding to a spot beam area on the surface of the Earth. Each spot beam area has a generally circular shape with a diameter less than 150 miles. Furthermore, each spot beam area overlaps with a plurality of other spot beams areas such that plurality of spot beams provide saturation coverage of all populated land areas of the Earth.
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Citations
17 Claims
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1. A global communication satellite system comprising:
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at least three communication satellites wherein each communication satellite is disposed in a geostationary orbit about the Earth; each communication satellite including a feed horn array having at least 4,000 feed horns with each feed horn capable of transmitting at least one radio frequency (RF) signal; said feed horn array producing a plurality of spot beams with each spot beam corresponding to a spot beam area on the surface of the Earth and with each spot beam area having a generally circular shape with a diameter less than 150 miles; each spot beam area overlapping with a plurality of other spot beams areas; and the plurality of spot beams providing saturation coverage of all populated land areas of the Earth. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A global communication satellite system comprising:
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at least three communication satellites wherein each communication satellite is disposed in a geostationary orbit about the Earth; each communication satellite including a feed horn array having a plurality of feed horns with each feed horn capable of transmitting at least one radio frequency (RF) signal; said feed horn array producing a plurality of spot beams with each spot beam corresponding to a spot beam area on the surface of the Earth; each spot beam area overlapping with a plurality of other spot beams areas; the plurality of spot beams providing saturation coverage of all populated land areas of the Earth; and wherein each of said satellites is in communication with each of the other of said satellites. - View Dependent Claims (15, 16, 17)
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Specification