Method and system for providing wideband communications to mobile users in a satellite-based network
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United States of America Patent
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Feb 29, 2000
Grant Date -
N/A
app pub date -
Jun 2, 1997
filing date -
Jun 2, 1997
priority date (Note) -
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Abstract
A satellite-based communications system operating at high data rates includes a plurality of satellites each having uplink and downlink antennas for transmitting and receiving a plurality of signals utilizing a plurality of spot beams to and from a plurality of coverage areas at a predetermined range of frequencies. The system also includes a plurality of user terminals for transmitting and receiving signals to and from the plurality of communications satellites at the predetermined range of frequencies and at one of the first plurality of data rates. Each of the user terminals having a steerable antenna for tracking relative movement of each of the user terminals with respect to each of the plurality of communications satellites and for tracking movement of each of the plurality of communications satellites in order to maintain communications with the plurality of communications satellites.
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