Single user detection
CA 2670653 A1 · Owner: Zeira, Ariela · Inventors: Zeira, Ariela; De, Parthapratim; Misra, Raj Mani
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transmitter site transmits a plurality of data signals over a shared spectrum in , a code division multiple access communication system. Each transmitted data signal , experiences a similar channel response. A combined signal of the transmitted data , signals is received. The combined signal is sampled at a multiple of the chip rate. The , channel response for the combined signal is determined. A first element of a spread , data vector is determined using the combined signal samples and the estimated channel , response. Using a factor from the first element determination remaining , elements of , the spread data vector are determined. The data of the data signals is determined …
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 November 8, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 8, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 8, 2023.
- 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.