Ip mobility management in a mobile communications system
CA 2332320 A1 · Owner: Nokia Networks Oy · Inventors: Iartym, Igor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to mobility management of an Internet-type protocol traffic in a mobile communications system. At least one mobile exchange (DXT1 DXT2) in the mobile communications system is arranged to operate as a gateway which interfaces (router 1) the mobile communications system with external data networks. All the mobile exchanges (DXT1 DXT2) are arranged to use a , user identity and a data equipment identity for identifying each mobile host and to use an identity of the mobile exchange currently serving the mobile host for defining the location of the mobile host. Each mobile host is dynamically or permanently allocated an IP address which is bound to the user identity, …
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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 March 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 28, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
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.