ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,654, issued on March 25, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).
"Robust mode for power line communications" was invented by Il Han Kim (Allen, Texas), Tarkesh Pande (Richardson, Texas) and Anuj Batra (Dallas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments include methods of powerline communications using a preamble with band extension is provided. A method may include receiving a packet data unit PDU. Bit-level repetition is applied to at least a portion of the PDU to create a repeated portion. Interleaving is performed per a subchannel. Pilot tones are inserted in the interleaved portion. Each data tone is modulated with respe...