Method and apparatus for implementing a data lifespan timer for enhanced dedicated channel transmissions
CA 2797684 C · Owner: Interdigital Technology Corporation · Inventors: Zhang, Guodong; Terry, Stephen E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wireless communication system, which supports enhanced dedicated channel (E-DCH) data transmissions includes a wireless transmit/receive unit (WTRU) at least one Node-B and a radio network controller (RNC). The WTRU includes a buffer a data lifespan timer, a data retransmission counter a hybrid-automatic repeat request (H-ARQ) process and a controller. The timer establishes a lifespan for at least one data block stored in the buffer. If physical resources have not been allocated for a data block associated with a lifespan timer that is close to expiration the WTRU sends an urgent channel allocation request. If physical resources have been allocated the data block is prioritized for …
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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 29, 2005 and granted March 21, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 29, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.