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Expired Canadian patentCanada

Wireless communication method and system for implementing media independent handover between technologically diversified access networks

CA 2585931 C · Owner: Interdigital Technology Corporation · Inventors: Rudolf, Marian; Olvera-Hernandez, Ulises; Zuniga, Juan Carlos

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Abstract From the Canadian patent

A wireless communication system including at least one IEEE 802 multi-stack wireless transmit/receive unit (WTRU) (110) and a plurality of technologically diversified access networks such as IEEE 802.X networks and , Third Generation Partnership Project (3GPP) networks that are concurrently , deployed. Both the multi-stack WTRU (110) and the technologically diversified networks include a media independent handover (MIH) function. The WTRU (110) is configured to read MIH information transmitted from one of the IEEE 802.X networks, trigger 3GPP authentication and authorization procedures based on the MIH information, obtain a local Internet Protocol (IP) address establish a tunnel to a …

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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 November 1, 2005 and granted April 30, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 1, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 1, 2005
GrantedApril 30, 2013
Term endedNovember 1, 2025
Patent numberCA 2585931 C
Classification (IPC)H04W36/36 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 1, 2005Patent grantedApril 30, 2013Term endedNov 1, 2025

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.