US Patent Issued to Marvell Asia on Nov. 11 for "Receiver compensation for low extinction ratio at transmitter" (California Inventor)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,300, issued on Nov. 11, was assigned to Marvell Asia Pte Ltd (Singapore).

"Receiver compensation for low extinction ratio at transmitter" was invented by Shu Hao Fan (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A digital signal processor (DSP) of an optical receiver processes one or more digital domain signals, which correspond to a received optical signal, to recover receive data from the one or more digital domain signals. The DSP compensates for a two-dimensional (2-D) warping of transmission symbols at a transmitter of the optical signal at least by: calculating a first adjustment of an in phase (I) component of the transmis...