Cellular radio communication handover systems
CA 2316540 A1 · Owner: Wu, Jian Jun · Inventors: Demetrescu, Cristian; Wu, Jian Jun; Samuel, Louis Gwyn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The system includes a network having a base controller (30) and a mobile station, (32). The base controller (30) has a packet measurement order unit (34) which causes a, package measurement reporter (68) in the mobile station to provide a measurement report. This report is stored in a buffer (44) and compared with reference values on a reference unit, (48). If a change of cell is warranted. a packet cell change order unit (50) issues a, command which is recorded by packet cell change unit (58) of the mobile station to retune, the transmitter and receiver (54 and 56) to a new cell. The mobile station also has a unit, (64) which generates a package cell change request to the base …
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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 August 21, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 21, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 21, 2022.
- 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.