5G网络转型（英文版）_37页_999kb

5G Network Transformation Summary

Core Content

This document outlines the transformation of 5G networks, focusing on the technological advancements, use cases, and standardization efforts that will define the next generation of mobile communication. It emphasizes the importance of 5G in enabling new services, improving network operations, and supporting a wide range of applications across industries and consumer markets.

Main Points

1. 5G as an Innovation Engine

• 5G is expected to be a major driver of innovation, creating new business opportunities and transforming industries and society.
• It introduces three key improvements: low latency (<10ms), high throughput (Multi-Gbps), and enhanced distribution.
• 5G will enable new use cases that LTE cannot fully address, leading to new revenue streams and business models.

2. 5G Architecture and Technology

• The 5G architecture is service-based, with enhanced radio units and a distributed user plane.
• It supports ubiquitous wireless coverage using a variety of technologies such as licensed/unlicensed spectrum, small cells, fiber, microwave, and satellite backhaul.
• Network Function Virtualization Infrastructure (NFVI) is essential for handling the potentially infinite number of network slices required to support diverse use cases.
• Automation, orchestration, and AI/ML will be key in transforming network operations and improving efficiency.

3. Key Use Cases

• 5G is expected to support a wide range of use cases, categorized as follows:

a. Enhanced Mobile Broadband (eMBB)

• Provides high-speed broadband access in dense areas, public transport, smart offices, and large events.
• Offers consistent user experience with high QoS and supports multi-user interaction, AR/VR, and context recognition.

b. Connected Vehicles

• Includes V2V, V2I, V2N, and V2P communications.
• Requires ultra-low latency, high reliability, and scalability for applications such as traffic optimization, safety, and emergency response.

c. Enhanced Multi-Media

• Focuses on high-quality media delivery, including live TV, on-demand TV, and mobile TV.
• Supports interactive and real-time content delivery across a variety of devices and mobility scenarios.

d. Massive Internet of Things (Massive IoT)

• Addresses low-cost, low-power, and long-lasting IoT devices.
• Enables applications such as smart cities, environment monitoring, smart grids, and wearables.
• Requires high device density and diverse performance attributes (data rate, latency, mobility).

e. Ultra-Reliable Low Latency Applications (URLLC)

• Critical for industrial automation, tactile interaction, and emergency services.
• Demands extremely low latency (0.5–1 ms), high reliability, and availability.
• Examples include remote surgery, real-time control systems, and automated factories.

f. Fixed Wireless Access (FWA)

• One of the first use cases for 5G, especially in early deployments.
• Combines 5G with fiber to provide high-speed data access for fixed locations.
• Supports mass-market distribution of high-bandwidth content.

4. Use Case Requirements

5. Standardization Landscape

• 3GPP is the main standards body for 5G, with Release 15 expected to be completed by mid-2018.
• ITU (IMT-2020) defines the overall 5G requirements and timeline, aligning with 3GPP.
• IETF contributes to protocol development, including IPv4/IPv6, SIP, Diameter, and WebRTC.
• ETSI ISG NFV and ONF are advancing Network Function Virtualization (NFV) and Software Defined Networking (SDN), which are crucial for 5G network flexibility and scalability.
• Open source initiatives such as ONAP, OPNFV, and OpenStack are supporting the development and deployment of NFV and SDN.

6. Industry Efforts and Innovation

• Several industry groups and operators are driving 5G innovation ahead of formal standards.
• KT 5G-SIG and Verizon 5G-TF are developing multi-vendor 5G equipment and specifications.
• These groups aim to support early 5G trials and commercial deployments, with KT focusing on the PyeongChang 2018 Winter Olympic Games.

Key Information

• 5G is expected to support a wide range of applications, from consumer services to mission-critical industrial use cases.
• Network slicing will be essential to meet the diverse requirements of these use cases.
• NFV and SDN are core technologies enabling the transformation of 5G networks.
• 3GPP is the primary organization for 5G standardization, with Release 15 defining the initial standards.
• Automation and orchestration are key to managing the complexity of 5G networks.
• Artificial Intelligence and Machine Learning will enhance network operations and business models.
• Fixed Wireless Access (FWA) is anticipated as one of the early 5G use cases, leveraging high-speed connectivity for fixed locations.

Conclusion

5G is set to revolutionize the telecommunications industry by enabling ubiquitous connectivity, low latency, and high throughput. The architecture and technology advancements, including NFVI, SDN, and service-based models, will support a broad spectrum of use cases ranging from enhanced mobile broadband to critical IoT applications. The standardization efforts by 3GPP, ITU, IETF, and other industry groups are critical in ensuring that 5G meets the performance and reliability demands of future services. Early trials and commercial deployments by operators like KT and Verizon are also contributing to the development of 5G technologies and ecosystems.