Error detection/correction and fault detection/recovery – Pulse or data error handling – Transmission facility testing
Reexamination Certificate
2005-02-22
2005-02-22
Decady, Albert (Department: 2133)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Transmission facility testing
C714S712000
Reexamination Certificate
active
06859900
ABSTRACT:
An in-band communication scheme reports the results of loop performance measurements from a remote site to a test site, by deliberately injecting, into a loopback sequence of a repeated code word, a selected one of different numbers of errors. The number of errors is selectable from among a plurality of different quantification values, based upon in which of a plurality of respective ranges of loop performance parameters, measured parameter values fall. The error data is thus effectively a gray-scale type of quantification of loop performance measurement data.
REFERENCES:
patent: 6028845 (2000-02-01), Serikawa et al.
Garza Martin
Luna Joe
Ogden Mark Jefferies
Owen James Ernest
Wilson, Jr. James Denson
Adtran Inc.
Allen Dyer Doppelt Milbrath & Gilchrist, P.A.
De'cady Albert
Kerveros James C.
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