Mobile station assisted timing synchronization in a cdma communication system
CA 2316260 C · Owner: Tiedemann, Edward G. Jr. · Inventors: Tiedemann, Edward G. Jr.; Wheatley, Charles E. Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the present invention, the slave base station (64) attains synchronization with the reference base station (62) through messages (504) transmitted from and received by a mobile station (60) either in the soft handoff region between the reference base station (62) and the slave base station (64) or within a range which allows the mobile station (60) to communicate with the slave base station (64). When the mobile station (62) is not in communication with both the reference base station and the slave base station (62) then the , round trip delay between the mobile station and the reference base station is measured by the reference base station (62). The reference base station (62) …
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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 January 15, 1999 and granted November 15, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 15, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 15, 2021.
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Timeline
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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.