Iterative channel estimation and compensation based thereon
CA 2306027 A1 · Owner: Liu, Shang-Chieh · Inventors: Nicoloso, Steven Peter; Liu, Shang-Chieh; Buehrer, R. Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The method of channel estimation generates an initial channel estimate from a pilot signal in a received signal, and estimates the data in the received signal using the, channel estimate. An updated channel estimate is then obtained from the estimated data. This process of estimating the data and re-estimating the channel estimate is reiterated a, desired number of times to refine the accuracy of the channel estimate.
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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 April 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 18, 2022.
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Timeline
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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.