Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1998-09-25
2000-12-12
Bost, Dwayne D.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455405, 455424, 455 671, 455 674, H04Q 720
Patent
active
061610100
ABSTRACT:
A fault monitoring apparatus for a mobile communication system is capable of quickly detecting a fault and will prevent a radio wave level measurement test from being carried out unnecessarily. A call loss information collecting unit detects the numbers of outgoing and incoming calls and the numbers of base-station-disconnected calls in respective components of base stations, and accumulates and stores the detected numbers in corresponding memory areas of a call loss information table. A test region determining unit reads the accumulated numbers of outgoing and incoming calls and the accumulated numbers of base-station-disconnected calls from the call loss information table, and calculates call loss probabilities in the respective components. The test region determining unit also specifies a component of the base stations which is to be automatically tested for fault detection, based on the calculated call loss probabilities. An automatic testing unit automatically tests the component of the base stations which has been specified, for fault detection. A result judging and notifying unit judges whether there is a fault or not based on a test result produced by the automatic testing unit, and notifies maintenance personnel of a faulty location.
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Bost Dwayne D.
Fujitsu Limited
Trinh Sonny
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