使用 Tab 路由结构替代模型优化 C-PHY 信道的信号完整性

IF 2 3区 计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Yu-Ying Cheng;Tzong-Lin Wu
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引用次数: 0

摘要

本文首次基于混合模式理论(X、Y和C模式)对三线(四导体)C- phy传输通道内的串扰机制进行了全面研究。X和Y模式之间的相位差被认为是串扰的主要因素,导致信号完整性(SI)退化。标签路由设计首先专门用于增强三线(四导体)C-PHY通道的SI。此外,建立了基于人工神经网络(ANN)的代理模型,将标签路由参数有效地映射到大眼指标。将粒子群优化(PSO)算法与基于人工神经网络的代理模型相结合,可以快速确定具有增强SI性能的选项卡路由C-PHY通道的最优几何参数。优化的三线制选项卡路由C-PHY通道,在两层印刷电路板(PCB)上制造,与典型的50 Ω三线通道相比,显示了17.2%的提高和8.5%的占地面积减少。本文还代表了机器学习(ANN, PSO)在C-PHY SI研究中的首次应用,显著提高了设计过程效率。验证了基于人工神经网络的代理模型应用于标签路由C-PHY信道的可行性和准确性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Signal Integrity Optimization for C-PHY Channel Using Surrogate Model of Tab-Routing Structure
This article presents the first comprehensive investigation into the crosstalk mechanism within a three-wire (four-conductor) C-PHY transmission channel based on mixed-mode theory ( X , Y , and C modes). The phase difference between X and Y modes is identified as a primary contributor to crosstalk, leading to signal integrity (SI) degradation. A tab-routing design is first specifically applied to enhance SI in three-wire (four-conductor) C-PHY channels. Additionally, an artificial neural network (ANN) based surrogate model is developed to map tab-routing parameters to eye-opening metrics efficiently. By combining the particle swarm optimization (PSO) algorithm with the ANN-based surrogate model, optimal geometrical parameters for the tab-routing C-PHY channel with enhanced SI performance can be quickly determined. The optimized three-wire tab-routing C-PHY channel, fabricated on a two-layer printed circuit board (PCB), demonstrates a 17.2% improvement in eye-opening and an 8.5% reduction in the occupied area compared to a typical 50 Ω three-wire channel. This article also represents the first application of machine learning (ANN, PSO) to C-PHY SI research, significantly improving design process efficiency. The feasibility and accuracy of the ANN-based surrogate model applied to the tab-routing C-PHY channel are thoroughly validated.
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来源期刊
CiteScore
4.80
自引率
19.00%
发文量
235
审稿时长
2.3 months
期刊介绍: IEEE Transactions on Electromagnetic Compatibility publishes original and significant contributions related to all disciplines of electromagnetic compatibility (EMC) and relevant methods to predict, assess and prevent electromagnetic interference (EMI) and increase device/product immunity. The scope of the publication includes, but is not limited to Electromagnetic Environments; Interference Control; EMC and EMI Modeling; High Power Electromagnetics; EMC Standards, Methods of EMC Measurements; Computational Electromagnetics and Signal and Power Integrity, as applied or directly related to Electromagnetic Compatibility problems; Transmission Lines; Electrostatic Discharge and Lightning Effects; EMC in Wireless and Optical Technologies; EMC in Printed Circuit Board and System Design.
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