Base station system including parallel interference cancellation processor
CA 2311906 A1 · Owner: Buehrer, R. Michael · Inventors: Hahm, Mark David; 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 base station system includes a cancellation processor connected to a plurality, of conventional signal processors. Under the control of a controller the , signal, processors acquire user signals in signals received by the base station antennas. The, controller controls the cancellation processor to perform cancellation operations with, respect to the acquired user signals. The cancellation processor includes first-nth filter, stages. Each filter stage operates in the same manner. A filter stage obtains in parallel, the acquired user signals from signals supplied thereto by estimating symbols in the, acquired user signals under the control of the controller. The cancellation …
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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 June 16, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 16, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 16, 2022.
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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.