Method of fault identification for multiplexed devices

Details Method of fault identification for multiplexed devices Method of fault identification for multiplexed devices

1992-06-17

1999-08-17

Chin, Wellington

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455 671, 455115, 4552261, 370252, H04Q 734

Patent

active

059407549

ABSTRACT:
A method for remotely detecting at a ground station failed multiplexors and radio transceivers in an airborne telephone system is disclosed. Usage activity of the devices is predicted using a normalized gaussian distribution. A three prong test examines actual usage activity of the multiplexors and radio transceivers which is normalized and compared with that predicted utilizing a chi-square analysis with a specified confidence interval to detect abnormalities in the usage activity.

REFERENCES:
patent: 4710929 (1987-12-01), Kelly et al.
patent: 5233642 (1993-08-01), Renton

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