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US 10,097,313 B2Granted
Backchannel protocol for link training and adaptation
AssigneeAvago Technologies General IP (Singapore) Pte. Ltd.
InventorsMagesh Valliappan, Anand Kumar Pathak
Life of this patent
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Abstract
An electronic device includes circuitry configured to establish a steady-state connection with another device via a communication link. A backchannel data frame is detected in a steady-state data stream received from the other device via the communication link at a first predetermined data rate. The circuitry is configured to modify one or more signal transmission parameters based on signal information included in the backchannel data frame.
Claims19
An electronic device comprising:
- circuitry configured to
- establish a steady-state connection with another device via a communication link,
- detect a backchannel data frame in a steady-state data stream received from the another device via the communication link at a first predetermined data rate, and
- modify one or more signal transmission parameters based on signal information included in the backchannel data frame,
- wherein the circuitry is further configured to detect a locking data frame received from the another device at a second predetermined data rate that includes a predetermined locking data word.
2 more elements
A method comprising:
- establishing, at an electronic device with circuitry, a steady-state connection with another device via a communication link;
- detecting, via the circuitry, a backchannel data frame in a steady-state data stream received from the another device via the communication link at a first predetermined data rate;
- and
- modifying, via the circuitry, one or more signal transmission parameters of a transmitter included in the electronic device based on signal information included in the backchannel data frame,
- wherein the method further includes detecting a locking data frame received from the another device at a second predetermined data rate that includes a predetermined locking data word.
2 more elements
An electronic device comprising:
- circuitry configured to
- establish a steady-state connection with another device via an Ethernet communication link,
- extract one or more modified signal transmission parameters from a detected backchannel data frame in a data stream received from the another device via the Ethernet communication link, and
- modify one or more signal processing parameters of an Ethernet transmitter included in the electronic device based on the one or more modified signal transmission parameters included in the backchannel data frame,
- wherein the circuitry is further configured to detect a locking data frame received from the another device at a second predetermined data rate that includes a predetermined locking data word.
2 more elements
Dependencies are inferred from the claim text.