Hybrid orthogonal frequency division multiple access system and method
CA 2605657 C · Owner: Pan, Kyle Jung-Lin · Inventors: Pan, Kyle Jung-Lin; Zhang, Guodong; Tsai, Allan Y.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hybrid orthogonal frequency division multiple access (OFDMA) system including a transmitter 100 and a receiver 200 IF disclosed. The transmitter 100 includes a first spread OFDMA subassembly 130 a first non-spread OFDMA , subassembly 140 and a f irst common subassembly 150. The f irst spread OFDMA subassembly 130 spreads input data 101 and maps the spread data 103 to a first group of subcarriers 105. The first non-spread OFDMA subassembly 140 maps input data 111 to a second group of subcarriers 115. The first common subassembly 150 transmits the input data mapped to the first and second group of subcarriers using OFDMA. The receiver includes a second spread OFDMA subassembly 230, …
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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 April 20, 2006 and granted July 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 20, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.