Method and transcoder for performing a distributed handover in the uplink direction
CA 2267270 A1 · Owner: Linden, Lars Kalle · Inventors: Bodin, Stig Roland; Linden, Lars Kalle; Lindroth, Lars Magnus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to the technique of handover in mobile telephony. A new Transcoder and Rate Adaptation Unit (100 fig. 3) is , introduced which provides two uplink (230 250 respectively, fig. 3) and two , downlink (240 260 respectively, fig. 3) channels. The use of these two channels (230, 250 respectively, fig.3) on the uplink during handover provides for the use of distributed handover on the uplink. The result minimizes the audible interruption during handover by minimizing the loss of Traffic Channel frames to what is possible within the GSM standard. Additionally interruption , of the speech or background noise during these lost frames is masked by an error …
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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 September 26, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 26, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 26, 2019.
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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.