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Demonstrating neural receiver performance within an open RAN testbed
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Tools for a complete design flow include the ability to train neural receivers using site-specific scenarios
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External channel models simulated by NVIDIA Sionna are emulated using Keysight equipment to create custom end-to-end systems
Santa Rosa, California, February 16, 2024–(BUSINESS WIRE)–Keysight Technologies (NYSE: KEYS) collaborates with NVIDIA to create a complete design flow for training and validation of neural receivers at Mobile World Congress Barcelona 2024 It will be exhibited at. It will be announced at the Keysight exhibition. The demonstration in Booth, Hall 5, Stand 5E12 will feature an Open RAN testbed powered by a multi-user MIMO neural receiver.
While 5G will integrate artificial intelligence (AI) to power certain components of wireless networks, 6G will be the first generation of AI-native wireless technology. The main goal is to develop site-specific neural receivers that replace the entire human-designed physical layer receive chain. However, the data required to train these neural receivers is limited and validating their performance in end-to-end systems is a challenge. Before a neural receiver can be deployed in a commercial network, it must be properly trained, demonstrated to outperform traditional receivers in performance, and shown to robustly handle channel conditions in real-world networks.
This demo shows how Keysight’s solution enables the design and verification of neural receivers. Using the NVIDIA Sionna library to train neural receivers, raytracing channels enable the generation of site-specific training data, enabling the creation of digital twins of real-world systems. Therefore, neural receivers can be optimized for any intended environment.
Once training is complete, the neural receiver will be deployed in an open RAN testbed using Keysight equipment connected to LITEON Technology’s FlexFi commercial radio units. The Keysight PROPSIM channel emulator is used to emulate site-specific channels. This enables seamless import of raytraced channel impulse responses. A trained neural receiver then demodulates the signal. Measuring the block error rate of an end-to-end system provides insight into the performance of a neural receiver.
Giampaolo Tardioli, Vice President of 6G and Next Generation Technologies at Keysight, said: “By collaborating with industry leaders like NVIDIA, Keysight is helping provide the tools and insights needed to enable artificial intelligence to move into the mainstream of wireless communications.Digital in Open RAN Networks Improved AI performance by using simulated and measured data for twin training and validation, providing a complete end-to-end design environment for developing neural receivers and other AI components for 6G We can provide.”
Ronnie Vasishta, senior vice president of Telecom at NVIDIA, said: “Software-defined RAN enables native integration of AI across the entire protocol stack, ultimately leading to 6G systems that can best adapt to any environment. Generate and capture real-world data for training and evaluation. “Keysight’s capabilities are powered by open networking. The NVIDIA Sionna library of sources for 6G physical layer research is a key element in accelerating the adoption of AI in wireless networks.”
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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