Method and arrangement for preamble detection
CA 2653176 C · Owner: Nordhamn, Erik · Inventors: Peters, Gunnar; Mesko, Georg; Forsberg, Bjoern
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a hardware accelerator (1) for preamble detection of a Physical Random Access Channel (PRACH) in a CDMA based communication system buffering means (10) stores input samples received at an antenna at a first rate addressing means (20) read a predetermined consecutive number of the input samples in parallel at a second different rate. The hardware accelerator (1) is further partitioned into a reusable unit providing code correlation and a preamble detection dedicated unit providing signature code despreading. The reusable unit comprises means (30) for correlating at least a subset of the previously read input samples with a predetermined code to provide a correlation output for a number of …
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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 13, 2006 and granted October 27, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 13, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.