Automated observational passive intermodulation (PIM) interference detection in cellular networks

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United States of America

PATENT NO 11323927
APP PUB NO 20210160746A1
SERIAL NO

17048292

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Abstract

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A method for determining whether a target cell has experienced interference due to Passive Intermodulation (PIM) distinguished from other forms of interference at cellular network sites during a time window. In one aspect, the method includes defining a set of N time slices and obtaining a first performance metric for each of the N time slices. The method includes selecting a subset of the N time slices using a set of N first performance metrics where the subset of N time slices includes a first time slice. For the first time slice, at least a first data point is determined using a performance metric for the target cell that was collected during the first time slice. The method includes using the first data point and a supervised learning model to determine whether the target cell has experience PIM interference during the time window.

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Patent Owner(s)

Patent OwnerAddress
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)SWEDEN SEGELTORP STOCKHOLM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barker, Matthew Greensborough, AU 32 245
Diggins, Mark Dingley Village, AU 3 10
Kelly, Conor Melbourne, AU 6 28
Ormandy, Danielle Marie Melbourne, AU 1 6
Scaringi, Adrian Melbourne, AU 1 6
Wrzesinski, Radek Melbourne, AU 1 6

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