Semiconductor Signal Simulation for Skew and Duty Error Correction

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Semiconductor devices face challenges in managing skew and duty error rates during signal transmission, leading to inefficiencies and increased power consumption, particularly due to the need for large labeled datasets and frequent retraining in existing methodologies.

Innovation Solution

A simulation apparatus and method using reinforcement learning to simultaneously reward skew and duty error rates, where a reinforcement learning model is trained to optimize these parameters, reducing the need for extensive datasets and enabling adaptive correction in semiconductor devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If reinforcement learning is trained using existing methodologies, then skew and duty error rates can be optimized, but large labeled datasets are required and frequent retraining is needed

Engineering Contradiction:
Improveskew and duty error rate optimizationVSAvoiddataset size
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent uses a simulation environment that copies the behavior of the semiconductor device under test. The simulation apparatus replicates the device's electrical characteristics and signal transmission properties, allowing the reinforcement learning agent to train on simulated data that mirrors real device behavior without requiring physical devices or large labeled datasets from actual measurements

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The simulation apparatus generates its own training data by autonomously simulating various operating conditions and extracting relevant features. The system self-generates labeled datasets through virtual experimentation, eliminating the need for external data collection and manual labeling processes that would require large quantities of real-world data

Inventive Principle:
Principle #25Self-service

2Reliability

If reinforcement learning is trained using existing methodologies, then skew and duty error rates can be optimized, but frequent retraining is required to adapt to new environments

Engineering Contradiction:
Improveskew and duty error rate optimizationVSAvoidretraining time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The simulation apparatus dynamically adapts to new device configurations by automatically updating its simulation model parameters. When a new semiconductor device or configuration is introduced, the system adjusts its virtual environment to match the new device's characteristics, allowing the reinforcement learning agent to continue training without complete retraining cycles

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The simulation apparatus is designed with universal applicability across different semiconductor device types and configurations. The same simulation framework can model various device architectures, making the reinforcement learning agent's knowledge transferable across different scenarios and reducing the need for frequent retraining

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Reliability

If conventional simulation methods are used, then device functionality can be tested, but power consumption remains high and operational efficiency is reduced

Engineering Contradiction:
Improvedevice functionality testingVSAvoidpower consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent replaces physical device operation with virtual simulation copies. Instead of actually powering up and testing the semiconductor device, the simulation apparatus creates digital replicas that consume minimal energy while providing equivalent testing and optimization functionality

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent substitutes physical electrical testing with computational simulation. The mechanical and electrical processes of actual device operation are replaced by software-based simulations that run on standard computing hardware, dramatically reducing energy consumption while maintaining testing effectiveness

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

Data Source

PatentUS20240143876A1Simulation method and simulation device
Publication Date: 2024.05.02 SAMSUNG ELECTRONICS CO LTD
  • US20240143876A1 patent drawing
  • US20240143876A1 patent drawing
  • US20240143876A1 patent drawing

AI summary

A simulation method and a simulation device are disclosed. A simulation method according to the inventive concept is provided. A simulation method of the inventive concept may include obtaining an initial state variable and an initial reward variable detected from the semiconductor device, training an agent to output a first action variable of a reinforcement learning model based on the initial state variable and the initial reward variable; and generating a first state variable of the reinforcement learning model and generating a first reward variable, based on the first action variable, wherein the first reward variable includes a skew reward variable for rewarding a skew occurring in the semiconductor device and a duty reward variable for rewarding a duty error rate of an output signal output from the semiconductor device.