System and method for generating communication network performance alarms
First Claim
1. A method of alarm generation in a wireless communication network, the method comprising:
- accumulating a data set of binomial outcomes for a plurality of events of a desired network event type;
inferring an outcome probability for said desired network event type from said data set using inferential statistical testing; and
generating an alarm if said outcome probability satisfies an alarm condition defined for said event type.
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Abstract
Statistical processing of event outcomes, such as call attempts or handoff attempts, allows reliable generation of performance alarms within a communication network without requiring analysis of historic performance data. Base station controllers might implement such statistical processing so that the controllers themselves rather than other, further removed network management entities generate performance alarms. Attendant advantages include but are not limited to relatively fast and reliable alarm generation using relatively small sample sets. These and other advantages permit detecting and reporting performance alarm conditions more quickly without sacrificing alarm generation reliability.
161 Citations
62 Claims
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1. A method of alarm generation in a wireless communication network, the method comprising:
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accumulating a data set of binomial outcomes for a plurality of events of a desired network event type;
inferring an outcome probability for said desired network event type from said data set using inferential statistical testing; and
generating an alarm if said outcome probability satisfies an alarm condition defined for said event type. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method of generating performance alarms in a wireless communication network, the method comprising:
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accumulating a sample set as a plurality of event outcomes for a communication event type, said event outcomes being recorded as one of an event failure and an event success;
determining a first failure rate for said plurality of event outcomes based on the number of event failures and event successes;
inferring by statistical analysis a general failure rate for said communication event type based on said first failure rate; and
determining whether an alarm condition exists based on comparing said general failure rate to an alarm threshold failure rate. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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44. A network entity for use in a wireless communication network, said network entity comprising a processor to provide performance alarm generation for at least one type of communication event by:
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recording a plurality of event outcomes for said communication event type, each said event outcome recorded as one of an event failure and an event success;
determining a first failure rate for said plurality of event outcomes based on the number of event failures and event successes;
inferring by statistical analysis a general failure rate for said communication event type based on said first failure rate; and
determining whether an alarm condition exists based on comparing said general failure rate to an alarm threshold failure rate. - View Dependent Claims (45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62)
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Specification