Time-weighted transmission channel estimation
CA 2286556 A1 · Owner: Ben Rached, Nidham · Inventors: Ben Rached, Nidham; Dornstetter, Jean-Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a method for estimating a transmission channel from a signal (S) received by said channel. The received signal corresponds to an emitted training sequence and the method comprises the following steps: acquiring a statistic of the transmission channel; establishing an estimation (Xp) of the channel impulse response function weighted by the channel statistic using the received signal (S).
Read the whole patent
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 10, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 10, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 10, 2020.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.