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Canadian application, no grantCanada

Preamble detection and data rate control in a umts system

CA 2501435 A1 · Owner: Ekvetchavit, Thunyachate · Inventors: Ekvetchavit, Thunyachate; Gurelli, Mehmet; Black, Peter J.

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

A receiver system determines a current preamble threshold and a current preamble metric and determines whether a preamble is detected. If a preamble is detected, the receiver determines whether an earlier preamble has been detected in an earlier time slot having a common time slot interlace index and resolves multiple detections of a preamble based on at least one of the current preamble and an old preamble thresholds the current and an old , preamble metrics. The receiver decodes data following the selected preamble and determines the CRC of the decoded data. If a CRC failure is detected the , receiver determines a new current preamble threshold. The new current preamble threshold is …

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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 November 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 26, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 26, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 26, 2002
GrantedNo grant recorded
Term endedNovember 26, 2022
Patent numberCA 2501435 A1
Classification (IPC)H04L1/22 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedNov 26, 2002Term endedNov 26, 2022

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