presentation slidesbands, network slices and varied applications in this new 5g environment.” amit...
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Presentation SlidesPermission to use with attribution
to ‘5G Americas’ is granted.
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“Open RAN requires a full understanding of technical architecture and the interdependent multi-vendor ecosystem.”
Chris PearsonPresident, 5G Americas
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“SLA management and seamless integration with existing networks are critical to the success of Open RAN deployments. Artificial Intelligence and Machine Learning applications will be essential tools to help manage and monetize networks with multiple spectrum bands, network slices and varied applications in this new 5G environment.”Amit Mehrotra, Nokia’s Global Head of Sales for Network Planning, Optimization and Analytics
“The Open RAN approach has benefited from global collaboration in the telecom ecosystem and presents itself as an alternative worthy of consideration for greenfield deployments or any time operators embark on network upgrades or enhancements.”Durga Satapathy, Director, Advanced Technologies & Innovation at T-Mobile
“Managing the operations and the customer satisfaction of a heterogeneous-cellular network requires a complex and labor-intensive organization with specific objectives and key success factors. As cellular network operators transition to increasingly diverse heterogeneous 5G systems, AI and machine learning are increasingly needed to not only help manage capital investment, but also to manage the increasingly complex networks”Charlie Michaelis, Associate Director of Big Data for AT&T
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Logical Open RAN Architecture
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Open RAN Split 7-2x modes of operation
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Small Cell Forum MAC/PHY split
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3GPP Release 14 study on
RAN split with E-UTRA
protocol stack
PDCP Low-
RLCHigh-MAC
Low-MAC
High-PHY Low-PHY
PDCP Low-RLC
High-MAC
Low-MAC
High-PHY Low-PHY
Option 5Option 4 Option 6 Option 7Option 2Option 1
RRC
RRC
RF
RF
Option 8
Data
Data
High-RLC
High-RLC
Option 3
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3GPP Rel-15 Disaggregated RAN
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CU, DU Virtualization and Open RAN Interfaces
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Look Aside vs Inline Acceleration Source: Ericsson
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Illustrating more notable publicly announced milestones with deployment of various forms of vRAN and Open RAN combinations
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NTT DoCoMo 4G and 5G multi-vendor interoperability
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Potential Benefits of Open RAN
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Potential Challenges of O-RAN
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Ecosystem Business Roles and TCO
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ML and AI based techniques
permeate all aspects of E2E
wireless system design, service
management and delivery
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Local and global learning and decision
making in large
distributed networks
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Technology enablers for hyperdense networks.
Source: SCF
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Implications of 5G-Era aspects
to SON & Orchestration
Source: SCF