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Keysight and KD Partner to Advance Multigigabit Optical Automotive Ethernet Testing with New Signal Analysis Capability

  • Partnership delivers TDFOM measurement and signal metric analysis for next-generation automotive networks, driving industry-wide standardization and interoperability.

SANTA ROSA, Calif.--(BUSINESS WIRE)--Keysight Technologies, Inc. (NYSE: KEYS) and KD, Inc., a fabless semiconductor company, have collaborated to create a comprehensive test for Multigigabit Optical Automotive Ethernet physical layer. The companies have jointly developed a Transmitter Distortion Figure of Merit (TDFOM) measurement and signal analysis metric validating PMD transmitter conformance based on the IEEE 802.3cz and Open Alliance.

Vehicles today contain over 100 million lines of code, pushing the limits of their hardware capabilities to support an unprecedented combination of infotainment systems, advanced driver-assistance systems (ADAS), and computing power. Future vehicle computing systems are evolving to be more centralized, with more software-defined features and greater data sharing between fewer engine control units (ECUs). Thus, backbone communications links push to ever-higher speeds in the multi-gigabits-per-second range.

In response, the industry has created new automotive Ethernet standards, with IEEE 802.3cz being the highest data rate multi-gigabit standard. Published in 2023, this standard supports operations up to 50 Gb/s over glass optical fiber, specifying physical-layer requirements and management parameters for 2.5-, 5-, 10-, 25-, and 50-Gb/s operations in automotive environments. This standard is designed to meet the demands of modern in-vehicle networking platforms.

The newly developed TDFOM measurement and signal analysis metric represents a significant advancement in evaluating multigigabit optical signal quality in glass optical fiber transmission. As specified in IEEE 802.3cz, TDFOM measurements utilize a reference receiver that models typical integrated circuit (IC) implementation, ensuring transmitter interoperability through signal integrity validation. This metric is essential for calibrating reference transmitters and enabling accurate compliance testing of optical receivers.

Combining KD's software-based reference receiver and signal metric analysis capabilities with Keysight's optical-to-electrical converter (O/E) and oscilloscope technology delivers a comprehensive testing platform that evaluates a transmitted optical signal's ability to achieve the required system Bit Error Rate (BER) after passing through a worst-case optical channel and a reference receiver. This collaborative development emerged from both companies' active participation in establishing the final TDFOM specification during the IEEE 802.3cz standard development.

Rubén Pérez-Aranda, KD’s CTO and co-founder, said, “With this agreement, we make a big step in providing OEMs and Tier-1 companies with the necessary means to test the quality of developments incorporating optical communications according to the IEEE Std 802.3cz. Keysight and KD have collaborated in IEEE 802.3 to define the tests and metrics that ensure the new Ethernet communications standard meets the quality requirements demanded by the automotive industry."

Thomas Goetzel, Vice President and General Manager of Keysight's Automotive & Energy Solution, highlighted the importance of this agreement: “Automotive Ethernet technologies have evolved and now derive significant benefits from optical fiber technologies for enabling multigigabit in-vehicle networking. Our innovative test and measurement equipment, combined with KD’s expertise in optical measurements, aims to assist customers in exploring reliable high-speed links in in-vehicle networking.”

This partnership combines KD's expertise in new technology development with Keysight’s test equipment to assist OEMs and Tier-1 companies validate and optimize next-generation technologies. It drives innovation, enhances interoperability, and encourages the adoption of advanced optical communication standards across the automotive sector.

About Keysight Technologies

At Keysight (NYSE: KEYS), we inspire and empower innovators to bring world-changing technologies to life. As an S&P 500 company, we’re delivering market-leading design, emulation, and test solutions to help engineers develop and deploy faster, with less risk, throughout the entire product life cycle. We’re a global innovation partner enabling customers in communications, industrial automation, aerospace and defense, automotive, semiconductor, and general electronics markets to accelerate innovation to connect and secure the world. Learn more at Keysight Newsroom and www.keysight.com.

Contacts

Keysight Media Contacts

North America PR Team
pdl-americas-keysight-pr@keysight.com

Fusako Dohi
Asia
+81 42 660-2162
fusako_dohi@keysight.com

Jenny Gallacher
Europe
+44 118 927 4003
jenny.gallacher@keysight.com

Keysight Technologies, Inc.

NYSE:KEYS

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Contacts

Keysight Media Contacts

North America PR Team
pdl-americas-keysight-pr@keysight.com

Fusako Dohi
Asia
+81 42 660-2162
fusako_dohi@keysight.com

Jenny Gallacher
Europe
+44 118 927 4003
jenny.gallacher@keysight.com

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