Device for changing the transmission parameters in a radio transmitter
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United States of America Patent
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-
Jun 16, 1998
Issued Date -
N/A
app pub date -
Feb 29, 1996
filing date -
Jun 2, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a radio system of the digital simultaneous type comprising a number of radio transmitters, information is transmitted on the same nominal frequency. The system is also intended to transmit specific test information, with the intention of achieving optimal performance of measuring receivers. Receivers, either measuring receivers or conventional receivers, register their geographical location in the system and the reception conditions of different stations with the aid of the test information. The measuring result is returned to the transmitter stations, to decide which measures shall be taken. When this return of the measuring result from the reception area is automatic, changes in the transmission parameters will be effected automatically and continuously while taking prevailing traffic situations into account.
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