Automotive Ethernet Congress 2025
Date: February 18-20, 2025
Location: Science Congress Center Munich, Walther-Von-Dyck Str. 10, 85748 Garching bei München, Germany
Booth: B-02
Register for the event here
During the event, GRL experts will be available at Booth B-02 to discuss the latest connectivity test solutions and services for automotive.
Topic: Real-time Physical Layer Analysis of the PLCA Protocol
Date: February 20, 2025
Time: 15:30 - 16:30
10BASE-T1S deviates from the traditional point-to-point architecture of most Ethernet PHYs by allowing more than two transmitting nodes to communicate across a multi-drop connection. To support this functionality a new reconciliation sublayer, the Physical Layer Collision Avoidance (PLCA), was developed in 802.3cg to maintain compatibility with the existing Ethernet Media Access Control (MAC). Making PLCA an essential protocol for 10BASE-T1S operation.
Key physical layer parameters, such as electrical characteristics, transmission timing, packet sequence order, and network latency are vital in verifying compliance and network performance. This presentation highlights the need for real-time analysis of the PLCA protocol on the physical layer to assist in identifying errored symbols or PLCA sequence/timing violations leading to unexpected behavior higher up the network stack.
More information available on Automotive Ethernet Congress 2025 page.