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Expired Canadian patentCanada

Medium access control layer architecture for supporting enhanced uplink

CA 2848984 C · Owner: Interdigital Technology Corporation · Inventors: Dick, Stephen G.; Terry, Stephen E.; Zhang, Guodong

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Abstract From the Canadian patent

A medium access control (MAC) layer architecture and functionality for supporting enhanced uplink (EU). A MAC entity for EU (i.e. a MAC-e entity), (120, 220, 320) is incorporated into a wireless transmit/receive unit (WTRU) (100) a Node-B (200) and a radio network controller (RNC) (300) respectively. The WTRU MAC-e entity (120) handles hybrid-automatic repeat request (H-ARQ) transmissions and retransmissions priority handling, MAC-e multiplexing, and transport format combination (TFC) selection. The Node-B MAC-e entity (220) handles H-ARQ transmissions and retransmissions E-DCH (102) scheduling and MAC-e de-multiplexing. The RNC MAC-e entity (320) provides insequence delivery and handles …

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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 June 14, 2016. 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.
  • 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 29, 2005
GrantedJune 14, 2016
Term endedApril 29, 2025
Patent numberCA 2848984 C
Classification (IPC)—

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2006200820102012201420162018202020222024Application filedApril 29, 2005Patent grantedJune 14, 2016Term endedApril 29, 2025

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