Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission
Patent
1990-03-08
1991-10-22
Kuntz, Curtis
Telecommunications
Transmitter and receiver at separate stations
Single message via plural carrier wave transmission
455115, 455127, 455 10, H04B 7185
Patent
active
050602926
ABSTRACT:
A transmitting power control system includes a first-mode arithmetic operation unit for arithmetically obtaining an actual up-link rain attentuation amount based on a total rain degradation amount and a down-link rain attenuation amount and arithmetically obtaining a ratio of the actual up-link rain attenuation amount to the down-link rain attenuation amount. A measurement executable judgement unit determines whether or not the measurement is possible based on the originating station returning wave. A second-mode arithmetic operation unit is connected to the first mode arithmetic operation unit for presuming and arithmetically obtaining an up-link rain attenuation amount based on the actual rain attenuation amount ratio and the down-link rain attenuation amount by latching the rain attenuation amount ratio when the measurement executable judgement unit determines that the measurement is impossible.
REFERENCES:
patent: 4731866 (1988-03-01), Muratani et al.
patent: 4896369 (1990-01-01), Adams, Jr. et al.
patent: 4910792 (1990-03-01), Takahata et al.
patent: 4941199 (1990-07-01), Saam
Ayukawa Ichiro
Miyazaki Sachio
Fujitsu Limited
Kuntz Curtis
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