Loop Pulse Estimation Circuit for Data Reliability

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Solution Overview

Problem

Data processing systems face challenges in accurately transferring digital data due to errors introduced during storage and transmission, which can corrupt information, and existing feedback loops are inefficient in regulating signal amplitude to prevent data loss.

Innovation Solution

The implementation of a loop pulse estimation system with an absolute sum constraint, which includes a digital data input, a loop pulse response estimation circuit, and a scaling circuit to calculate and scale loop pulse response tap coefficients using a least mean square algorithm, ensuring correct target values for the gain loop to regulate signal amplitude.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If feedback loops are used to prepare data for processing to reduce losses, then data reliability is improved, but device complexity increases

Engineering Contradiction:
Improvedata reliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements a feedback loop that uses detected output values to update loop pulse response tap coefficients through least mean square adaptation. The system continuously monitors data transmission and adjusts equalization parameters in real-time, improving data reliability by compensating for channel distortions while maintaining manageable complexity through efficient adaptive algorithms

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs self-adjustment by automatically updating its own tap coefficients based on detected output and input data. The adaptive equalizer serves itself by continuously learning from transmission errors and adjusting its parameters without external intervention, thereby improving reliability without requiring additional complex control mechanisms

Inventive Principle:
Principle #25Self-service

2Measurement precision

If loop pulse response tap coefficients are calculated using least mean square adaptation, then measurement precision is improved, but device complexity increases

Engineering Contradiction:
Improveloop pulse response estimation precisionVSAvoidcalculation circuit complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces complex mathematical computations with efficient digital signal processing operations. The least mean square adaptation is implemented through iterative numerical calculations that converge to precise tap coefficients, achieving high measurement precision through algorithmic efficiency rather than complex hardware circuits

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system dynamically adjusts tap coefficients based on real-time transmission conditions. The adaptive algorithm continuously updates parameters in response to changing channel characteristics, achieving precise loop pulse response estimation through dynamic adaptation rather than static complex circuitry

Inventive Principle:
Principle #15Dynamics

3Reliability

If gain loop is used to regulate signal amplitude to prevent clipping and saturation, then data reliability is improved, but device complexity increases

Engineering Contradiction:
Improvedata reliabilityVSAvoidgain control circuit complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The gain loop uses feedback from the absolute sum constraint to regulate signal amplitude. The system monitors the magnitude of loop pulse response coefficients and adjusts gain accordingly to prevent clipping and saturation, improving reliability through automatic level control without requiring complex external regulation circuits

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The gain control mechanism serves itself by automatically adjusting signal amplitude based on the calculated absolute sum of tap coefficients. The system self-regulates to maintain optimal operating levels, preventing distortion without requiring additional complex control hardware

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS8929010B1Systems and methods for loop pulse estimation
Publication Date: 2015.01.06 AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LTD
  • US8929010B1 patent drawing
  • US8929010B1 patent drawing
  • US8929010B1 patent drawing

AI summary

A data processing system includes a digital data input operable to receive digital data, a digital data values input operable to receive values of the digital data, a loop pulse response estimation circuit operable to calculate a loop pulse response based on the digital data and the values of the digital data and based at least in part on past values of the loop pulse response, and a scaling circuit operable to scale the loop pulse response based at least in part on an absolute sum of the loop pulse response to yield a scaled loop pulse response.