Hand-off between ultra-wideband cell sites
CA 2431112 A1 · Owner: Jolly, Donall W. · Inventors: Jolly, Donall W.; Arrieta, Rodolfo T.; Santhoff, John H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Briefly, the present invention provides a dynamic channel re-assignment capability between mobile units (70), base stations (10) and sectors (1 2, 3, 4, 5) within base station coverage areas (20). The wireless devices used in the present invention may include impulse radio communication devices such as for example ultra-wideband radio (also known as digital pulse wireless) communication devices. Ultra-wideband bandwidth and channel allocation can be effectively managed, even though link quality generally deteriorates near the outer boundary of the base station. By maintaining dual communications with an adjoining base station, the present invention reduces the bit error rate and …
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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 13, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 13, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 13, 2023.
- 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.