Detector Output Reuse in Iterative Data Decoding

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Solution Overview

Problem

Data processing systems face challenges in converging data sets through data detector and decoder circuits, particularly when a large number of iterations are required, leading to inefficiencies and potential errors in data transfer and storage.

Innovation Solution

The implementation of a data processing system that includes a data detector circuit, a combining circuit, and a data decoder circuit, where the detector circuit applies a detection algorithm to yield multiple outputs, and the combining circuit combines these outputs based on the number of global iterations or unsatisfied checks to optimize the decoding process, allowing for multiple iterations and improving convergence.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple iterations through data detector and decoder circuits are performed to improve data convergence, then data processing reliability is improved, but processing time and system complexity increase

Engineering Contradiction:

Improvedata convergenceVSAvoidprocessing time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The detector output from previous iterations is stored and reused as input for subsequent iterations, preparing the data in advance to avoid redundant processing and accelerate convergence

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system feeds back the detector output from one iteration to the input of the next iteration through the combining circuit, creating a closed-loop system that progressively improves data convergence while managing iteration count

Inventive Principle:

Principle #23Feedback

2Reliability

If multiple iterations through data detector and decoder circuits are performed to improve data convergence, then data processing reliability is improved, but device complexity increases

Engineering Contradiction:

Improvedata convergenceVSAvoidsystem complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The detector output reuse mechanism is nested within the existing iterative detection and decoding framework, with the combining circuit integrating previous outputs into the current iteration processing without requiring separate external systems

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The combining circuit serves multiple functions by merging detector outputs from different iterations and feeding them back into the processing pipeline, reducing the need for separate dedicated circuits for each iteration stage

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS9274889B2Systems and methods for data processing using global iteration result reuse

Publication Date: 2016.03.01 AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LTD

AI summary

The present inventions are related to systems and methods for data processing, and more particularly to systems and methods for use of a detector output by a data decoder. As an example, a data processing system is discussed that includes a data detector circuit operable to provide a first detector output and a second detector output, and a combining circuit operable to combine a first input derived from the first detector output with a second input derived from the second detector output to yield a combined detector output. The combined detector output includes a unified data set element generated by combining an element of the first input with a corresponding element of the second input.