Patent · US Expired

Expert system for communications network

US5159685A · kind A · utility

211Cited by
29References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 6, 1989
Grant dateOct 27, 1992
Priority date
Expiry dateDec 6, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S706/917
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

An Expert System 10 for providing diagnostics to a data communications network 5. Alarms from a Network Manager 24 are received and queued by an Event Manager 117 and then filtered by an Alarm Filter 118 to remove redundant alarms. Alarms which are ready for processing are then posted to a queue referred to as a Bulletin Board 120. A Controller 112 determines which one of the posted goals has the highest priority by considering a priority number associated with the goal plus a time of arrival of the goal. An Inference Engine 122 uses information from an Expert Information Structure 111 to solve the highest priority goal by a process called instantiation. The process of solving the goal may be interrupted by a pause or suspension in order to perform tests under the direction of a Network Test Manager 124 or retrieve other information during which time other goals may be processed. Expert information is entered using a user friendly User Interface 104 which reduces need for the participation of a Knowledge Engineer. Configuration information about the network is maintained in a Network Structure Knowledge Base 109 by a Network Configuration Module 108. The Expert System 10 may operat…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.