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A method and an arrangement for frame detection quality estimation in the receiver of a radio communication system

CA 2114715 A1 · Owner: Wahlberg, Ulf Torstensson · Inventors: Lundqvist, Nils Patrik; Wahlberg, Ulf Torstensson; Minde, Tor Bjorn

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Abstract From the Canadian patent

A method and an arrangement for quality estimation when detecting an information frame, for instance a speech frame transmitted in a radio communication system in accordance with time division multiple access, although the method can also be applied with frequency divided radio systems. There is used the soft information available in the radio receiver which is intended to detect the speech frame and process this signal information in accordance with those principles applicable to known neural nets. Prior to use the neural net, is aligned to the radio communication system concerned. The invention enables better information relating to possible error in the speech frame to be delivered to …

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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 May 28, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 28, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 28, 1993
GrantedNo grant recorded
Term endedMay 28, 2013
Patent numberCA 2114715 A1
Classification (IPC)H04B1/10 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedMay 28, 1993Term endedMay 28, 2013

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.