OFDM communication apparatus
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United States of America Patent
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-
Sep 23, 2003
Issued Date -
N/A
app pub date -
Mar 6, 2000
filing date -
Mar 16, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The known signal that is transmission data for the pilot carrier is output to multiplier 103 to be subjected to amplitude adjustment (gain control) using a predetermined coefficient. The coefficient is set as appropriate in the range that makes an amplitude of the known signal larger than the amplitude of a message signal in consideration of, for example, error rate deterioration and increment of peak power in the entire transmission power. In addition, since the number of pilot carriers is small as compared to the number of all carriers, the increment of the gain of the pilot carrier does not generally have a large effect on the increment of the peak power.
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