Method and apparatus for coherently-averaged power estimation
CA 2312772 A1 · Owner: Telefonaktiebolaget Lm Ericsson · Inventors: Sandin, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for power estimation in DS-CDMA schemes employing non-coherent detection is disclosed. By buffering channel complex amplitudes and subsequent to non-coherent detection of a received symbol coherently , averaging the complex amplitudes retrieved an accurate power estimate is , achieved. By further estimating the Doppler frequency in an alternate embodiment, an even better estimate can be achieved. The amplitude of the channel can be regarded as constant over a longer time period than merely one symbol and the coherent averaging generates more accurate power estimates than that achieved by non-coherent averaging. By estimating the Doppler frequency and only averaging coherently …
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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 November 20, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 20, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 20, 2020.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.