ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,786, issued on July 15, was assigned to Lenovo (Singapore) Pte. Ltd. (Singapore).
"Calculating an EVM of an antenna port" was invented by Colin D. Frank (Park Ridge, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatuses, methods, and systems are disclosed for calculating an EVM of a transmitter. One apparatus includes a processor and a receiver that receives a signal via a propagation channel from an antenna port at a transmitter, the antenna port comprising multiple antennas and with an antenna connector for each antenna. The processor measures the received signal using an unbiased linear MMSE equalizer and calculates an EVM of the antenn...