5G：将智能手机以外的移动网络扩展到物联网（英文版）_22页-7mb

5G: Expanding Mobile Networks Beyond Smartphones into the IoT

Core Content

5G is the next generation of mobile network technology, designed to expand connectivity beyond smartphones into the Internet of Things (IoT). It represents a significant leap forward in terms of speed, latency, and capacity, enabling new applications and use cases across various industries.

Main Points

Evolution of Mobile Networks

• 1G (1980s): Analog phone systems.
• 2G (1990s): Digital phones with text messaging.
• 3G (2000s): Introduction of data services and mobile broadband.
• 4G (2010s): All IP-based mobile broadband, significantly improving data rates and mobility.
• 5G (2020s): Expected to introduce enhanced wireless broadband, ultra-reliable low latency communications (URLLC), and massive machine-type communications (MTC).

5G Capabilities and Use Cases

• Enhanced Mobile Broadband (eMBB): Supports high data rates and seamless user experiences, especially in crowded areas.
• Ultra-Reliable and Low Latency Communications (URLLC): Critical for industrial automation, remote surgery, and transportation safety.
• Massive Machine Type Communications (MTC): Encompasses a large number of connected devices transmitting low volumes of non-delay-sensitive data.
• Massive IoT: Requires deep coverage, high density, and low power consumption with extended battery life.

Technical and Infrastructure Challenges

• Spectrum Allocation: 5G will likely require sub-1 GHz, 1-6 GHz, and 20-30 GHz frequency bands. However, spectrum reallocation and regional differences pose challenges to achieving a global standard.
• Network Infrastructure: Early 5G systems will operate in sub-6 GHz spectrum, while mmWave technology is not yet ready for widespread use. Backhaul networks must support ultra-high capacity and low latency.
• Semiconductor Development: Companies like Qualcomm, Intel, Samsung, and Huawei are developing 5G modems and chipsets, but challenges remain in RF front-end design to support both sub-6 and mmWave frequencies.

Standardization and Deployment Timeline

• 5G standards are expected to be completed in phases, with initial specifications available in 2018 and full standards by 2020.
• Deployment is expected to continue into 2022 and beyond, with operators and infrastructure providers moving at different paces.

Business and Market Considerations

• 5G adoption will be driven by compelling business use cases rather than consumer demand.
• The business case for 5G must balance long-term network capital expenditures with the pace of mobile innovation.
• LTE and its advanced versions (LTE-A and LTE-A Pro) are still evolving and will compete with early 5G systems.

Key Information

• Hype vs. Reality: While 5G promises a wide range of capabilities, its actual impact and adoption will depend on overcoming technical and regulatory challenges.
• Global Cohesion: Achieving a unified global standard for 5G is difficult due to regional differences in spectrum availability and infrastructure development.
• Operator Strategies: Mobile network operators are still exploring LTE applications and business models, with NB-IoT and Gigabit LTE likely to be more immediate.
• Key Players: IHS Markit's 5G team includes experts like Ian Fogg, John Kendall, and Sam Lucero, who provide insights into the development and deployment of 5G technologies.

Contact Information

• North and South America: +1 844 301 7334 | technology_us@ihsmarkit.com
• Europe, Middle East, and Africa: +44 (0) 1344 328155 | technology_emea@ihsmarkit.com
• Asia-Pacific: +60 04 2913763 | technology_apac@ihsmarkit.com

About IHS Markit

IHS Markit is a leading provider of critical information, analytics, and solutions for global industries and markets. With a presence in over 100 countries and more than 50,000 customers, including 85% of the Fortune Global 500, the company plays a vital role in shaping the future of connectivity and technology.