NTT DOCOMO, INC. and SK Telecom have jointly released a white paper detailing the key enabling features for the evolution of virtualized Radio Access Networks (vRAN) and the path towards AI-integrated RAN (AI-RAN). This collaboration marks the latest outcome of their ongoing technical cooperation aimed at advancing mobile network technologies.
The white paper explores the prospects for enhancing vRAN and AI-RAN, which utilize artificial intelligence to optimize network operations. It identifies three critical technical requirements essential to maximizing the benefits of these advanced RAN systems for mobile operators.
Firstly, the document emphasizes the importance of the strict separation of hardware and software. This separation allows for the independent deployment of RAN software, accelerating innovation and feature introduction.
Secondly, it highlights the role of resource pooling technologies. These technologies enable flexible infrastructure and improved resource utilization, which can lead to capacity improvements and reduced power consumption without sacrificing service quality.
Lastly, the white paper discusses the realization of AI computing capabilities through vRAN systems. By leveraging resource orchestration technologies and an xPU-based architecture, base stations can provide AI services alongside traditional mobile communication connectivity.
Takki Yu, Head of Network Technology Office at SK Telecom, stated that the white paper presents essential features from a mobile operator's perspective, aiming to foster a broader ecosystem and contribute to the global advancement of next-generation mobile networks.
Masafumi Masuda, Senior Vice President at NTT DOCOMO, expressed satisfaction with the collaboration, hoping it will further cooperation between the two major East Asian mobile operators and aid in realizing the 6G era.
Since signing a cooperation agreement in November 2022, DOCOMO and SK Telecom have jointly released several white papers, including those on power-saving technologies and 6G requirements. They plan to continue their technical cooperation, focusing on enhancing 5G competitiveness and operational efficiency, as well as contributing to international standardization and technology verification towards 6G.



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