Selective combining of multiple non-synchronous transmissions in a wireless communication system
CA 2473402 A1 · Owner: Chen, Tao · Inventors: Chen, Tao; Wang, Jun; Tiedemann, Edward G. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Techniques for selectively combining multiple transmissions to recover a message comprised of multiple frames. Initially each transmission is , separately processed to recover the message. If the message cannot be recovered error-free from any single transmission then portions of multiple , transmissions are selectively combined to recover the message. Erased frames in a message recovered from a primary transmission (e.g. the one with the best pilot Ec/I0) and good frames from other transmissions are determined (e.g. based on the frame-level CRC). One or more combined messages are then formed, each including a different set of good frames substituting for the erased frames. If a good …
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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 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 16, 2025.
- 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
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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.