Systems and methods for beamforming feedback in multi antenna communication systems
CA 2737846 C · Owner: Qualcomm Incorporated · Inventors: Kadous, Tamer; Sampath, Hemanth; Gorokhov, Alexei
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and apparatuses are disclosed that determine whether to feed back beamforming information wirelessly via an antenna of a reverse link as , well as , to determine the amount of feedback with respect to eigenbeam information based , upon channel resources. Additionally methods and apparatuses are disclosed that , determine whether to feed back beamforming information wirelessly via an antenna , of a reverse link, as well as to determine the amount of feedback with , respect to , eigenbeam information based upon channel information and changes in channel information.
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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 March 24, 2006 and granted April 7, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 24, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.