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Expired Canadian patentCanada

Notification of channel descriptor transmission for a mobile station in idle or sleep mode in a wireless access system

CA 2584334 C · Owner: Kwak, Yong Won · Inventors: Kwak, Yong Won; Ryu, Ki Seon; Kim, Yong Ho

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Abstract From the Canadian patent

A method for controlling an idle mode in a mobile station comprises transmitting an idle mode request to a serving base station to enter the idle mode, and receiving a decode information transmission frame value and a decode information change status from at least one base station. The method also comprises, if the decode information change status indicates a change in the decode information, maintaining the idle mode and receiving the decode , information from the at least one base station when the transmission frame value is reached. The decode information may comprise at least one of downlink channel descriptor (DCD) information, uplink channel descriptor (UCD) information, and …

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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 December 27, 2005 and granted May 20, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 27, 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.
FiledDecember 27, 2005
GrantedMay 20, 2014
Term endedDecember 27, 2025
Patent numberCA 2584334 C
Classification (IPC)H04W52/02

Timeline

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2006200820102012201420162018202020222024Application filedDec 27, 2005Patent grantedMay 20, 2014Term endedDec 27, 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.