Common control channel uplink power control for adaptive modulation and coding techniques
CA 2447496 C · Owner: Dick, Stephen G. · Inventors: Dick, Stephen G.; Zeira, Ariela; Miller, James M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Using wireless digital code-division multiple access (CDMA) technology a , method and system in which adaptive modulation and coding (AM & C) is utilized in order to achieve improved radio resource utilization and provide increased data rates for user services in which the base station (12) measures up link interference on all time slots received from user equipment UEs (30) and determines the need for uplink control channel. The base station transmits to the UE the allocation of specific uplink control channels indicating uplink interference in the time slot and potentially the quality margin. The UE (30) determines appropriate uplink power level based on a path loss determination …
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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 May 14, 2002 and granted June 28, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 14, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 14, 2024.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.