ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,147, issued on Oct. 28, was assigned to Nordic Semiconductor ASA (Trondheim, Norway).
"Signal processing" was invented by George Varghese (Hyderabad, India) and Karthik Khanna Subramani (Hyderabad, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A receiver apparatus for receiving an OFDM radio signal comprising a first plurality of subcarrier-symbols, modulated on a corresponding plurality of subcarriers, and a second plurality of subcarrier-symbols, modulated on the corresponding plurality of subcarriers, to generate first and second bit sequences, the first bit sequence being an interleaved version of the second bit sequence according to a pr...