Timing recovery and frame synchronization in a cellular communications system
CA 2227471 C · Owner: Li, Yong · Inventors: Chloma, Alexandre; Wang, Rui R.; Trofimov, Iouri
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Timing recovery, with or without frame synchronization in a cellular TDMA , communications system is carried out by a method comprising estimating indirect variables, which embody sampling delay information of a linear , complex vector using a maximum likelihood criterion and recovering the , sampling delay from the estimated indirect variables. For recovering the sampling delay, an optimal procedure and three sub-optimal but , computationally simpler, procedures are described along with their physical , implementations. For frame synchronization the timing recovery sampling delay , is supplemented by a number of sample spacings determined by a maximum of signal amplitudes of a plurality …
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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 26, 1996 and granted June 25, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 26, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 2018.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.