System and method for faulty mobile unit isolation
CA 2236799 C · Owner: Nortel Networks Limited · Inventors: Basu, Kalyan; Tseng, Stone
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wireless network, having a plurality of mobile units operating in a cell of the wireless network isolates, a faulty mobile unit that jams the control channel thereby preventing communication by the other mobile units in the cell. A system and method for isolating the faulty mobile unit monitors the cell traffic pattern among the mobile units in the cell to detect an abnormality by determining whether the change in the traffic pattern over a short period of time is excessive, determines whether the abnormality is due to the faulty mobile unit or a problem with the wireless network by examining conditions of the traffic, and if the abnormality is due to the faulty mobile unit, communicates …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed January 9, 1997 and granted May 20, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 9, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 9, 2019.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.