Noise Signal Analysis for Data Interpretation

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Solution Overview

Problem

Data signals transmitted over physical networks are prone to distortion due to noise signals, leading to data loss, and existing methods are inadequate in effectively interpreting and minimizing this loss.

Innovation Solution

The method involves determining probabilities of noise signal occurrence and non-occurrence during data transmission, using weighted probabilities and likelihood ratios to decode data signals, particularly in the presence of noise, by combining probabilities through functions such as summation, multiplication, or logarithms, and applying these to soft-decision decoding techniques.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If noise signal filtering is applied during data transmission, then data transmission reliability is improved, but device complexity increases

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

Solution Approach 1:

The system performs preliminary noise characterization by determining the probability of noise signal occurrence before decoding the data signal. This advance preparation allows the decoder to be optimized for the specific noise conditions, improving reliability without requiring complex real-time noise filtering hardware.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The invention changes the parameter approach from direct noise signal filtering to probability-based weighted decoding. By transforming the noise problem into a probabilistic framework with weighted likelihood ratios, the system achieves improved reliability through software-based probability calculations rather than complex hardware filtering.

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If probability-based noise analysis is performed, then measurement precision of noise impact is improved, but loss of time increases

Engineering Contradiction:
Improvemeasurement precisionVSAvoidloss of time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system performs a focused probability analysis specifically for noise signal occurrence rather than comprehensive signal analysis. By concentrating computational effort on the specific parameter of noise probability and its impact on data values, the system achieves high measurement precision with reduced computational time.

Inventive Principle:
Principle #16Partial or excessive action

Solution Approach 2:

The invention introduces probability weights as an intermediary between noise detection and data decoding. Instead of directly filtering noise signals which would be time-consuming, the system uses probability weights to mediate the decoding process, allowing precise noise impact assessment while maintaining fast decoding throughput.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS9780887B2Data interpretation with noise signal analysis
Publication Date: 2017.10.03 COMCAST CABLE COMM LLC
  • US9780887B2 patent drawing
  • US9780887B2 patent drawing
  • US9780887B2 patent drawing

AI summary

Methods and systems for providing and processing data are disclosed. An example method can comprise determining a first weighted probability based on a probability of occurrence of a noise signal and a first likelihood ratio. The first likelihood ratio is based on a frequency distribution of the noise signal. An example method can comprise determining a second weighted probability based on a probability of non-occurrence of the noise signal and a second likelihood ratio. An example method can comprise determining a combination of the first weighted probability and the second weighted probability, and providing the combination to a decoder configured to decode a value based on the combination.