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Demonstration of training and operation of artificial intelligence signal processing models within the 6G physical layer
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AI models are trained using simulated real-world data
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Model operation is verified in a wireless system
Santa Rosa, California, February 21, 2024–(BUSINESS WIRE)–Keysight Technologies, Inc. (NYSE: KEYS) is collaborating with InterDigital Corporation (NASDAQ: IDCC), a mobile, video and AI technology research and development company, to develop artificial intelligence (AI) technology. We have shown how the channel estimator works. It will be trained at Mobile World Congress Barcelona 2024 (MWC24), integrated into the physical layer, and evaluated in an over-the-air demonstration. The demonstration, presented at Keysight’s booth, Hall 5, stand 5E12, features a 144 GHz communications link that uses an AI model for channel estimation developed by InterDigital and Keysight.
As AI technology matures, it is being integrated into wireless communication systems and will become a foundational technology for 6G. One application of AI in wireless is channel estimation. When the channel estimation block is replaced by a neural network (NN), the site-specific training data used for the NN allows performance and robustness to be optimized for new use cases.
This demo uses Keysight’s communications system-specific electronic design automation (EDA) software to model the 3GPP physical layer and wireless channels. Instead of using traditional channel estimation signal processing, this block was replaced with various neural networks for channel estimation. The first NN was fully developed and trained by InterDigital and provided to Keysight. The second NN was developed by Keysight and trained in two different ways. First using a combination of data generated by Keysight’s electronic design automation system (SystemVue) software and then again using real-world measurement data. This demonstration compares the performance and complexity of InterDigital and Keysight machine learning approaches to traditional channel estimation approaches using an EDA software environment and a real 144 GHz radio environment.
The ability to benchmark the performance of NNs and compare them to traditional methods and other NNs is critical to the advancement of AI in 6G. Without such measurements and comparisons, we will not know the true performance gains (or losses) of AI, and the adoption of the technology will be hampered.
said Milind Kulkarni, Vice President and Head of Wireless Labs, InterDigital. Said: “Through our partnership with Keysight, we are able to expand our ability to validate AI solutions for wireless networks. This type of collaboration and its results will help improve how AI is used in both 5G and 6G. “We will provide valuable insights in shaping the industry and build industry collaboration.” ”
Giampaolo Tardioli, Vice President of 6G and Next Generation Technologies at Keysight, said: “The world is embarking on a transformational journey that will revolutionize the future of connectivity through the use of AI in wireless communications. Working with strategic partners like InterDigital, we are honing our solutions and capabilities to help our customers. We can continue to meet your needs and reveal the limits of what is possible when you combine AI and wireless.”
This demonstration includes technology developed as part of CENTRIC and 6G-SANDBOX. These projects have received funding from the Smart Networks and Services Joint Undertaking (SNS JU) under the European Union’s Horizon Europe research and innovation program under grant agreements No 101096379 and 101096328. Each.
About Keysight Technologies
At Keysight (NYSE: KEYS), we inspire and empower innovators to deliver world-changing technologies. As an S&P 500 company, we provide market-leading design, emulation, and test solutions that help engineers develop and deploy faster with less risk throughout the product lifecycle. We are a global innovation partner that enables customers in the communications, industrial automation, aerospace and defense, automotive, semiconductor, and general electronics markets to accelerate innovation to connect and secure the world. For more information, please visit the Keysight Newsroom and www.keysight.com.
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