A method and an apparatus for a quick retransmission of signals in a communication system
CA 2406216 C · Owner: Sindhushayana, Nagabhushana T. · Inventors: Esteves, Eduardo A. S.; Black, Peter J.; Attar, Rashid A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transmitting terminal, transmits signals in a form of packets to a receiving terminal, if the packet was intended for the receiving terminal if so, the , receiving terminal demodulates the packet. The receiving terminal then computes a quality metric of the packet and compares the computed quality , metric with a quality metric contained in the packet. If the quality metrics match, the packet is forwarded for further processing. If the quality metrics fail to match, the receiving terminal sends a request for retransmission of the packet. The transmitting terminal determines which packet needs to be retransmitted based on the request for retransmission. If delivery of the packet in …
Read the whole patent
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 April 13, 2001 and granted February 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 13, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 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.