Apparatus and method for delivery of packets in multi-hop wireless networks
CA 2449532 A1 · Owner: Nokia, Inc. · Inventors: Guo, Yile; Krishnamurthi, Govindarajan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method are disclosed for reducing data loss in wireless networks resulting from corruption of one or more wireless links or resulting from failure of an intermediate connecting node. The wireless network which , includes at least one intermediate node (15) having an internal buffer (71) for continually buffering data passing from source node (11) to destination node (21), establishes an alternate path bypassing the failed node. Lost data packets are locally retransmitted in response to receipt of an error message indicating node failure, or in response to a retransmit request resulting from data corruption over a wireless link. Intermediate nodes lacking such internal …
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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 June 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 2024.
- 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.