Error performance monitoring system for digital exchange circuit

Details Error performance monitoring system for digital exchange circuit Error performance monitoring system for digital exchange circuit

1993-03-29

1995-03-21

Cosimano, Edward R.

Boots, shoes, and leggings

371 165, 371 291, 395575, G06F 1520

Patent

active

054002664

ABSTRACT:
A method for monitoring an error performance of each call in a digital exchange circuit has a plurality of subscriber terminals. The overall transmission system includes a plurality of circuits forming transit paths connecting the exchange circuit with each of the subscriber terminals. The method includes the steps of collecting and storing error check information of each transit path together with collected time of the information, and collecting and storing call information of each call. The call information includes call identification with terminal numbers of an originating subscriber terminal and a terminating terminal, transmission rate, start time and end time of a call, and the circuits through which the call is routed. A circuit accommodation database information is provided, which indicates which of the plurality of circuits form a path for each call. Error performance of each call is calculated according to the error check information, the call information, and the circuit accommodation database information.

REFERENCES:
patent: Re30037 (1979-06-01), Bass
patent: Re31407 (1983-10-01), Furtman et al.
patent: 3795916 (1974-03-01), Wallace et al.
patent: 4912552 (1990-03-01), Allison, III et al.
patent: 5012465 (1991-04-01), Helou et al.
patent: 5047977 (1991-09-01), Hill et al.
patent: 5299207 (1994-03-01), Fujii
"In-service Monitoring Methodology for Error Performance", Sato et al, NTT R & D, No. 10, vol. 40, 1991, pp. 1335-1340.

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