Patent Yard Sign in
Expired Canadian patentCanada

Method and apparatus for recognizing radio link failures associated with hsupa and hsdpa channels

CA 2856916 C · Owner: Intel Corporation · Inventors: Terry, Stephen E.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A method and system for detecting radio link (RL) failures between a wireless transmit/receive unit (WTRU) and a Node-B are disclosed. When signaling radio bearers (SRBs) are supported by high speed uplink packet access (HSUPA) an RL failure is recognized based on detection of improper operation of at least one of an absolute grant channel (AGCH) a relative grant channel (RGCH), a hybrid-automatic repeat request (H-ARQ) information channel (HICH) an enhanced uplink dedicated physical control channel (E-DPCCH) and an enhanced uplink dedicated physical data channel (E-DPDCH). When SRBs are supported by high speed downlink packet access (HSDPA) an RL failure is recognized based on detection of …

Read the whole patent

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 February 6, 2006 and granted May 9, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 6, 2026.
  • 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.
FiledFebruary 6, 2006
GrantedMay 9, 2017
Term endedFebruary 6, 2026
Patent numberCA 2856916 C
Classification (IPC)H04W76/18 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 6, 2006Patent grantedMay 9, 2017Term endedFeb 6, 2026

Sources & verification

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