Offset satellite communication cell arrays with orthogonal polarizations
First Claim
1. A communication satellite having plural communication signal amplifiers coupled to plural transmit horns that transmit communication signals to plural corresponding geographic cells, the improvement comprising:
- a first set of communication signal amplifiers and transmit horns that cooperate to deliver plural distinct communication signals of a first polarization to a first array of plural adjacent geographic cells having first interstices between them; and
a second set of communication signal amplifiers and transmit horns that cooperate to deliver plural distinct communication signals of a second polarization to a second array of plural adjacent geographic cells having second interstices between them, the second polarization being orthogonal to the first polarization and the adjacent geographic cells of the second array generally being centered at the first interstices and substantially overlapping geographic cells of the first array.
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Accused Products
Abstract
A communication satellite has multiple communication signal amplifiers coupled to multiple transmit horns that transmit communication signals to multiple corresponding geographic cells. The satellite includes a first set of communication signal amplifiers and transmit horns that cooperate to deliver multiple distinct communication signals of a first polarization to a first array of multiple adjacent geographic cells having interstices or intersections between them. The satellite also includes a second set of communication signal amplifiers and transmit horns that cooperate to deliver multiple distinct communication signals of a second polarization to a second array of multiple adjacent geographic cells having interstices or intersections between them. The first and second polarizations are orthogonal to each other, such as horizontal and vertical polarizations or right- and left-circular polarizations. In addition, the adjacent geographic cells of the first array are generally centered at the interstices between and overlap the cells of the second array, and the cells of the second array are generally centered at the interstices between and overlap the cells of the first array.
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Citations
19 Claims
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1. A communication satellite having plural communication signal amplifiers coupled to plural transmit horns that transmit communication signals to plural corresponding geographic cells, the improvement comprising:
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a first set of communication signal amplifiers and transmit horns that cooperate to deliver plural distinct communication signals of a first polarization to a first array of plural adjacent geographic cells having first interstices between them; and
a second set of communication signal amplifiers and transmit horns that cooperate to deliver plural distinct communication signals of a second polarization to a second array of plural adjacent geographic cells having second interstices between them, the second polarization being orthogonal to the first polarization and the adjacent geographic cells of the second array generally being centered at the first interstices and substantially overlapping geographic cells of the first array. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A satellite communication method that includes transmitting communication signals to plural geographic cells, the method comprising:
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delivering plural distinct communication signals of a first polarization to a first array of plural adjacent geographic cells having first interstices between them; and
delivering plural distinct communication signals of a second polarization to a second array of plural adjacent geographic cells having second interstices between them, the second polarization being orthogonal to the first polarization and the adjacent geographic cells of the second array generally being centered at the first interstices and substantially overlapping geographic cells of the first array. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A communication satellite having plural communication signal amplifiers coupled to plural transmit horns that transmit communication signals to plural corresponding geographic cells, the improvement comprising:
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a first set of communication signal amplifiers and transmit horns that cooperate to deliver plural distinct communication signals of a first signal characteristic to a first array of plural adjacent geographic cells having first interstices between them; and
a second set of communication signal amplifiers and transmit horns that cooperate to deliver plural distinct communication signals of a second signal characteristic to a second array of plural adjacent geographic cells having second interstices between them, the second signal characteristic being distinctive relative to the first signal characteristic and the adjacent geographic cells of the second array generally being centered at the first interstices and substantially overlapping geographic cells of the first array. - View Dependent Claims (16, 17, 18, 19)
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Specification