Precoding During Link Establishment

Abstract: Examples described herein relate to an Ethernet physical layer transceiver (PHY) circuitry for use in frame communication with a remote link partner. In some example, the Ethernet PHY circuitry can include Physical Medium Dependent (PMD) circuitry and transmitter circuitry and receiver circuitry for use in the frame communication. In some examples, the PMD circuitry is to perform link training with a partner transmitter and selectively request the partner transmitter to apply a modulation scheme with precoding during the link training based on a magnitude of one or more equalizer coefficient values.

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