Network Architecture Evolution towards 6G

Investment Rating - The report does not explicitly provide an investment rating for the industry Core Insights - The evolution towards 6G network architecture is in its early stages, with varying levels of 5G maturity among Mobile Network Operators (MNOs) leading to diverse perspectives on the evolution path [10] - 6G aims to address gaps and limitations of 5G, including network complexity, energy efficiency, limited coverage, and scalability [11][25] - The architecture must support new scenarios and requirements, including AI, sensing, and immersive communications [12][32] - Key design principles for 6G architecture include enabling innovation, modular deployment, operational simplicity, sustainability, and trustworthiness [14][49] Summary by Sections Executive Summary - NGMN initiated studies to guide network architecture evolution towards 6G, exploring key factors influencing architecture changes, design principles, and challenges [9] Factors Influencing Architecture Evolution - 5G has introduced significant advancements but still faces challenges such as network complexity and energy efficiency [11][25] - New scenarios and requirements for 6G include support for IMT-2030 capabilities and new services like AI-driven interactions and sensing-assisted communication [12][32] - The potential for a new air interface and emerging technologies must be carefully evaluated to manage complexity [13][35] 6G Network Architecture Design Principles - The architecture should facilitate innovation and be designed for sustainability, security, and resilience [49][50] - Key principles include modular deployment, operational simplicity, and ensuring interoperability with existing networks [54][60] Challenges & Way Forward - The transition from 5G to 6G faces challenges such as achieving consensus during standardization and managing complexity [66][69] - NGMN emphasizes the need for collaboration across the industry to ensure a successful transition and to develop migration strategies [67][68]