Spectrum spread communication synchronization establishing apparatus using frequency offset and receiver with the same
CA 2334613 A1 · Owner: Kumura, Takahiro · Inventors: Kumura, Takahiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A synchronization establishing apparatus in a spectrum spread communication system includes a search section (100, 200, 7, 10), a frequency offset estimating section (11) and a demodulation path selecting section (12). The search section (100 200, 7, 10) calculates correlation values from a received spectrum spread signal, and calculates power values as addition values of symbols corresponding to the correlation values and power addition values of the power values. Also, the search section selects larger ones of the power addition values to output together with timing data corresponding to the selected larger power addition values. At this time, one of the symbols and the power values being …
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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 February 8, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 8, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 8, 2023.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.