Apparatus and method for adaptive beamforming in an antenna array
CA 2215403 C · Owner: Motorola, Inc. · Inventors: Saunders, Simon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and a method for receiving and transmitting information from an array of adaptive antenna elements, wherein a predictive filtre (68) supplies an estimate of received signal samples (<o>x</o>(n)) likely to be received in a burst immediately preceding a transmission. Combination (70) of this estimate <o>x</o>(n) with received signal samples (x) obtained from actual (historically received) signals, received over a predetermined number of frames, yields estimates of optimum beamforming coefficients wopt for application (74) to data (76) for transmission from an adaptive array of antenna elements (41). As such, available processing time for obtaining the beamforming …
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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 December 16, 1996 and granted August 6, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 16, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 16, 2018.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.