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Expired Canadian patentCanada

Method and apparatus for selection of virtual antennas

CA 2620067 C · Owner: Kadous, Tamer · Inventors: Kadous, Tamer; Kim, Byoung-Hoon

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

Techniques for transmitting data from virtual antennas instead of physical antennas are described. Each virtual antenna may be mapped to some or all physical antennas by a different mapping. The performance of different sets of at least one virtual antenna is evaluated based on one or more metrics such as signal quality, throughput, overall rate and so on. The virtual antenna set , with the best performance is selected for use. If the virtual antenna selection is performed by the receiver then channel state information for the selected virtual antenna set may be sent to the transmitter. The channel state information may convey the selected virtual antenna(s) the signal quality or , …

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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 22, 2006 and granted August 21, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 22, 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 22, 2006
GrantedAugust 21, 2012
Term endedAugust 22, 2026
Patent numberCA 2620067 C
Classification (IPC)H04B7/06

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 22, 2006Patent grantedAug 21, 2012Term endedAug 22, 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.