Method and apparatus for multi-carrier transmission
CA 2469913 A1 · Owner: Noll Barreto, Andre · Inventors: Noll Barreto, Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a method and apparatus for multi-carrier transmission of data. The method comprising the steps of: providing a stream of data, encoding the stream of data to create a plurality of complex values assigning each of the plurality of complex values to one of a plurality of subchannels, assigning a separate value to each of the plurality of sub-channels multiplying each of the plurality of sub-channels with the assigned separate value to generate a multiplied value for each of the plurality of subchannels, modulating the multiplied value of each of the plurality of subchannels to a sub-carrier to generate a modulated signal for each of the subchannels, and …
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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 21, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 21, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 21, 2024.
- 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.