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Expired Canadian patentCanada

System for efficient recovery of node b buffered data following serving high speed downlink shared channel cell change

CA 2644202 C · Owner: Intel Corporation · Inventors: Terry, Stephen E.; Chao, Yi-Ju

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention relates to efficient recovery of High Speed Downlink Packet Access (HSDPA) data following handover. The present invention discloses a method and system for the UE to perform a serial of actions in order to reduce the latency and potentially prevent loss of PDU transmission during the serving HS-DSCH cell change procedure. A new criterion is introduced for UE generation of the status report of RLC PDU. The UE generates status report of the PDUs as soon as possible following notification of the HS-DSCH cell change indicated by the RRC procedure to more efficiently recover source Node B buffered data. PDU status may be signaled for each AM RLC instance associated with the …

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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 April 2, 2003 and granted December 15, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 2, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 2, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 2, 2003
GrantedDecember 15, 2015
Term endedApril 2, 2023
Patent numberCA 2644202 C
Classification (IPC)H04W36/02 +1 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedApril 2, 2003Patent grantedDec 15, 2015Term endedApril 2, 2023

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