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Expired Canadian patentCanada

Transmission structure supporting multi-user scheduling and mimo transmission

CA 2730338 C · Owner: Qualcomm Incorporated · Inventors: Blanz, Josef J.; Granzow, Wolfgang; Fernandez-Corbaton, Ivan Jesus

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Abstract From the Canadian patent

Techniques for transmitting data in a manner to support multi-user scheduling multiple--input multiple-output (MIMO) transmission and interference cancellation are described. A base station assigns multiple time segments of a transmission time interval (TTI) to at least one terminal maps data for each terminal to at least one time segment assigned to the terminal and spreads the data in each time segment with at least one channelization code used in the TTI. A terminal receives an assignment of at least one time segment from among multiple time segments of the TTI obtains input samples for the at least one time segment and despreads the input samples with the at least one channelization …

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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 August 14, 2006 and granted September 13, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 14, 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.
FiledAugust 14, 2006
GrantedSeptember 13, 2016
Term endedAugust 14, 2026
Patent numberCA 2730338 C
Classification (IPC)H04B1/69 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 14, 2006Patent grantedSep 13, 2016Term endedAug 14, 2026

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