System and method for a previously activated mobile station to challenge network mobile station knowledge during over the air activation
CA 2345091 A1 · Owner: Telefonaktiebolaget Lm Ericsson · Inventors: Houde, Michel; Corriveau, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a system and method for over the air (OTA) activation of a previously activated mobile station (14) in a wireless telecommunications network. During the new activation, an over the air processor requests the data configuration of the mobile station. The mobile station may issue a first challenge to the over the air processor (12) and in so doing transmits a challenge message including certain mobile station parameters to the over the air processor. The over the air processor then communicates this information to the network authentication center (22) which produces a challenge return message from the certain mobile station parameters and sends the challenge …
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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 September 17, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 17, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 17, 2021.
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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.