Cell search using peak quality factors
CA 2471126 A1 · Owner: Interdigital Technology Corporation · Inventors: Chitrapu, Prabhakar R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A code division multiple access communication system has a plurality of base stations (12(1)-12(N)). Each base station (12(1)-12(N) (12)) transmits a primary synchronization code (PSC) in a primary synchronization channel (PSCH). A user equipment ((UEs) 14(1)-14(N) (14)) monitors the PSCH and correlates the PSCH with the PSC. Using a result of the PSC correlation PSCH , locations are identified having a PSC peak. For each identified PSCH location a quality factor comprising a shape factor associated with that location's PSC peak is determined. For each identified PSCH location that identified PSCH , location and the quality factor is stored. The PSCH locations and quality factors are …
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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 December 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 18, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 18, 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.