Nokia, in collaboration with test and measurement leader Rohde & Schwarz, has achieved a major milestone in next-generation wireless technology. The two companies have successfully designed and tested an AI-powered 6G radio receiver capable of overcoming one of the most critical challenges in future 6G networks coverage limitations caused by higher-frequency spectrum use.
By integrating machine learning capabilities directly into the receiver, the innovation significantly extends uplink distances, thereby improving network coverage and performance. This advancement will allow mobile operators to deploy 6G networks using their existing 5G infrastructure, reducing deployment costs and speeding up time to market.
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The breakthrough receiver was developed by Nokia Bell Labs and validated using Rohde & Schwarz’s advanced 6G testing equipment and methodologies. Together, the companies will present a proof-of-concept demonstration of this AI-enabled receiver at the Brooklyn 6G Summit on November 6, 2025.
Peter Vetter, President of Core Research at Nokia Bell Labs, emphasized the importance of this innovation, stating, “One of the key issues facing future 6G deployments is the coverage limitations inherent in 6G’s higher-frequency spectrum. Typically, we would need to build denser networks with more cell sites to overcome this problem. By boosting the coverage of 6G receivers, however, AI technology will help us build 6G infrastructure over current 5G footprints.”
To validate its performance, Nokia Bell Labs and Rohde & Schwarz tested the AI-based receiver under real-world conditions. Results showed uplink distance improvements between 10% and 25% compared to existing receiver technologies. The test setup included an R&S SMW200A vector signal generator for uplink signal creation and channel emulation. On the receiving end, the newly launched FSWX signal and spectrum analyzer from Rohde & Schwarz performed AI inference for Nokia’s receiver.
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Beyond improving coverage, the receiver demonstrated enhanced throughput and power efficiency, further proving its value for future large-scale 6G deployments.
Commenting on the collaboration, Michael Fischlein, VP of Spectrum & Network Analyzers, EMC and Antenna Test at Rohde & Schwarz, said, “Rohde & Schwarz is excited to collaborate with Nokia in pioneering AI-driven 6G receiver technology. Leveraging more than 90 years of experience in test and measurement, we’re uniquely positioned to support the development of next-generation wireless, allowing us to evaluate and refine AI algorithms at this crucial pre-standardization stage. This partnership builds on our long history of innovation and demonstrates our commitment to shaping the future of 6G.”
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