System and method to communicate time stamped, 3-axis geo-position data within telecommunication networks
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United States of America Patent
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-
Nov 7, 2000
Grant Date -
N/A
app pub date -
May 13, 1999
filing date -
May 19, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In the case of a conventional radio telecommunication system for transmitting information between stationary transmitting/receiving units and mobile transmitting/receiving units it is proposed that the mobile units be additionally provided with a satellite navigation receiver for independently determining a position rough value. The stationary units are likewise provided with a satellite navigation receiver for independently determining a reference position rough value of a reference location of known exact geographical position as the reference position normal value, and with an error detection unit for detecting position determination errors by comparing the instantaneously determined reference position rough value with the reference position normal value. In the mobile units or in the stationary units, correction of the position rough values is then carried out with determination errors determined substantially isochronously, the required transmission of the position rough values and the position determination errors being carried out by radio over the radio channel used for the speech information.
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