Satellite telecommunication system and method with multispot coverage and with variable capacity distribution
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United States of America Patent
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May 30, 2017
Grant Date -
Oct 15, 2015
app pub date -
Apr 9, 2015
filing date -
Apr 11, 2014
priority date (Note) -
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Abstract
A telecommunication system comprises channels connected to a spot generation device, each spot being able to cover a dedicated user cell. All the channels have an identical bandwidth. The spot generation device comprises channel amplifiers with variable gain and with constant output power dedicated to each channel, the output power levels of all the channel amplifiers being constant and identical, frequency demultiplexers respectively connected to the channel amplifiers and intended to split the bandwidth assigned to each channel into N sub-bands having the same width corresponding to N carriers having different frequencies, a device for selecting and distributing all the carriers between the spots, and frequency combiners respectively dedicated to each spot, the number of carriers assigned to each spot being variable from one spot to another spot according to the needs of the corresponding users.
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