ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,545, issued on Dec. 2, was assigned to SIGNIFY HOLDING B.V. (Eindhoven, Netherlands).
"Efficient modulation control" was invented by Andries Van Wageningen (Wijlre, Netherlands) and Johan Paul Marie Gerard Linnartz (Eindhoven, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "To fully enjoy the benefit of adaptive modulation or bit loading in a multi-carrier wireless communication system, a bit loading control method (700) is disclosed to reduce the system complexity and signaling overhead by making use of an attribute of the communication channel, which has a declining channel response with increasing frequency. Instead of applying adaptive...