Signal integrity diagnosis and distributed physical-based transmission line model development for PCIe 5.0 connector

He, Yulin

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https://hdl.handle.net/2142/129319 Copy

Description

Title

Signal integrity diagnosis and distributed physical-based transmission line model development for PCIe 5.0 connector

Author(s)

He, Yulin

Issue Date

2025-05-09

Director of Research (if dissertation) or Advisor (if thesis)

Feng, Milton

Department of Study

Electrical & Computer Eng

Discipline

Electrical & Computer Engr

Degree Granting Institution

University of Illinois Urbana-Champaign

Degree Name

M.S.

Degree Level

Thesis

Keyword(s)

• Signal Integrity
• Tranmission Line
• Equivalent Circuit
• 5G
• High Speed
• PCIe
• Physical-Based Model
• Failure Diagnosis

Abstract

High-speed connector design demands a delicate balance between simulation accuracy and rapid signal-integrity (SI) diagnosis. This thesis introduces a novel design tool based on a distributed physical-based transmission-line (dPBTL) model to overcome the limitations of traditional FEM simulations. By transforming complex 3-D PCIe 5.0 connector structures into cascaded 1-D transmission-line segments, the proposed method enables fast, accurate predictions of electrical performance up to 60 GHz while revealing localized effects such as impedance discontinuities, resonances, and loss mechanisms. Moreover, by segmenting the connector into intrinsic and extrinsic subsections—with and without add-in-card (AIC) or baseboard mating— the approach facilitates targeted SI analysis and time-efficient design modifications. This methodology not only significantly reduces simulation time and computational resources but also provides a robust framework for real-time design pathfinding and optimization in high-speed interconnects.

Graduation Semester

2025-05

Type of Resource

Thesis

Handle URL

https://hdl.handle.net/2142/129319

Copyright and License Information

Copyright 2025 Yulin He

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