Surveillance of quality of service in a digital television link
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United States of America Patent
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Apr 12, 2005
Grant Date -
Oct 17, 2002
app pub date -
May 13, 2002
filing date -
Dec 13, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The quality of service in a digital television link is monitored cyclically by means of an analyzer which analyzes the transport stream packets to deduce therefrom many standardized analysis parameters which are complex to interpret. The invention minimizes the number of measurements of these parameters by preselecting first and second analysis parameters and periodically determining a first maximum for variations from the first selected parameters and a second maximum for variations from the second parameters selected to deduce therefrom, respectively, a first parameter which is representative of the synchronization relative to the equipment units in the link and at least one second parameter which is representative of a degradation in a link.
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