AI/ML in RAN will Become Essential for 5G Advanced

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By Gu Zhang | 1Q 2022 | IN-6424


3GPP Set AI/ML in the Framework for RAN and Air Interfaces


At the end of 2021, 3GPP approved the Release 18 work package, the fourth 5G release, and set a start for 5G Advanced. One of the noticeable topics is Artificial Intelligence (AI)/Machine Learning (ML) for Radio Access Network (RAN) and air interface, starting an evolutionary path to the full automated network using AI/ML, including the user equipment (UE) side.

While the long-term target of a full automated network is challenging, 3GPP breaks down the implementation step by step. Firstly, it will look at the essential framework in RAN for AI/ML applications such as data collection enhancements and signaling support for AI/ML-based network energy saving, load balancing, and mobility optimization. Second, it will explore AI/ML techniques to improve channel state information (CSI) feedback, beam management, and positioning for the air interface. Meanwhile 3GPP aims to standardize interfaces and platforms and let the market decide about algorithms.

Competition has Started Among Major Vendors


AI/ML is …

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