Satellite communication system for communicating packet data messages
First Claim
Patent Images
1. A satellite communication system comprising:
- at least one satellite which provides multiple beams;
a plurality of UTs;
at least one gateway communicating with said at least one UT over the system wherein each of said UTs within a given frequency band is distinguished from another of said UTs employing orthogonal codes; and
wherein said UT is equipped to initiate or receive or terminate packet data messages.
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Abstract
A satellite communication system is disclosed which provides at least one satellite employing multiple beams to a plurality of user terminals. A gateway is employed to connect to either a PSTN or an Internet communicating with the user terminal over the system so that the users within a given frequency range are distinguished one from the other employing orthogonal codes. The user terminal has the capability of either initiating or receiving packet data messages.
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Citations
14 Claims
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1. A satellite communication system comprising:
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at least one satellite which provides multiple beams;
a plurality of UTs;
at least one gateway communicating with said at least one UT over the system wherein each of said UTs within a given frequency band is distinguished from another of said UTs employing orthogonal codes; and
wherein said UT is equipped to initiate or receive or terminate packet data messages. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A satellite communication system comprising:
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a LEO satellite constellation wherein each satellite of said constellation provides multiple beams;
a plurality of UTs;
at least one gateway connected to an Internet and communicating with said at least one UT over the constellation wherein each of said UTs within a given frequency band is distinguished from another of said UTs employing orthogonal codes; and
wherein said user terminal can either initiate or receive packet data messages. - View Dependent Claims (13)
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10. A satellite communication system comprising:
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a LEO satellite constellation wherein each satellite of said constellation provides multiple beams;
a plurality of UTs;
at least one gateway connected to a PSTN and an Internet communicating with said at least one UT over the constellation wherein each of said UTs within a given frequency band is distinguished from another of said UTs employing orthogonal codes; and
wherein said UT is equipped to initiate or receive packet data messages. - View Dependent Claims (14)
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11. A satellite communication system comprising:
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a MEO satellite constellation wherein each satellite of said constellation provides multiple beams;
a plurality of UTs;
at least one gateway connected to an Internet and communicating with said at least one UT over the constellation wherein each of said UTs within a given frequency band is distinguished from another of said UTs employing orthogonal codes; and
wherein said UT can either initiate or receive packet data messages. - View Dependent Claims (12)
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Specification