Apparatus and method for transmitting/receiving channel quality information in a communication system
CA 2592758 C · Owner: Yoon, Soon-Young · Inventors: Roh, Kwan-Hee; Yoon, Soon-Young; Sung, Sang-Hoon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and method for transmitting/receiving channel quality information (CQI) in a communication system having a frame including subchannels corresponding to the same frequency reuse factor or different frequency reuse factors. A base station (BS) allocates at least one of the subchannels in the frame to a subscriber station (SS), and sends a transmission request for a CQI for a subchannel desired to be received to the SS. The SS measures channel , quality for individual subchannels requested by the BS in response to the CQI request, and transmits the measured channel quality to the BS.
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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 5, 2006 and granted April 17, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 5, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.