US 2016/0056979 A1 · DUTY-CYCLED EQUALIZATIONS

Abstract

An information handling system (IHS) selectively performs duty-cycled equalization of data transmission on a communication link between a sending component and a receiving component. A controller activates an equalizer associated with the communication link. Following equalizer convergence, the controller determines power consumption and/or data throughput corresponding to data samples propagated over the communication link. If power consumption and/or data throughput do not exceed respective specified threshold values, the controller maintains or applies continuous equalization. However, if power consumption and/or data throughput exceed the respective threshold values, the controller initiates duty-cycled equalization using a selected duty cycle value. The duty-cycled equalization activates the equalizer during the first interval to minimize accumulating inter-symbol interference (ISI) effects associated with a first set of data samples, and de-activates the equalizer during a second interval enabling a second set of data samples to bypass equalization, while satisfying power consumption and signal quality requirements.

Claims18

Dependent claims

An information handling system (IHS) comprising:

at least one transceiver;
at least one data communication interface connecting a sending component to a receiving component;
an equalizer coupled to said at least one transceiver;
and
a controller coupled to said transceiver and to said equalizer, and which:
detects propagation of a communication signal over the communication interface;
selects, using a power consumption specification and a data throughput specification, an equalization to be applied to the propagating communication signal from among a continuous equalization and a duty-cycled equalization, wherein the duty-cycled equalization provides a first interval during which the equalizer is activated and a second interval during which the equalizer is de-activated, wherein the equalization selected is based on a determination of whether at least one of an expected power consumption performance for duty-cycled equalization and an expected data throughput corresponding to the duty-cycled equalization exceeds respective established performance thresholds for activating duty-cycled equalization;
and
performs the equalization selected for the communication signal.

6 more elements

A method performed within an information handling system having a controller and a transceiver, the method comprising:

detecting propagation of a communication signal over a communication interface;
a controller selecting, using a power consumption specification and a data throughput specification, an equalization to be applied to the propagating communication signal from among a continuous equalization and a duty-cycled equalization, wherein the duty-cycled equalization provides a first interval during which a corresponding equalizer is activated and a second interval during which the equalizer is de-activated, and wherein the equalization is selected based on determining whether at least one of an expected power consumption performance for duty-cycled equalization and an expected data throughput corresponding to the duty-cycled equalization exceeds respective established performance thresholds for activating duty-cycled equalization;
and
performing the equalization selected for the communication signal.

1 more element

Dependencies are inferred from the claim text.

Duty-cycled equalizations

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Duty-cycled equalizations

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Abstract

Claims18