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Independent market research and competitive analysis of next-generation business and technology solutions for service providers and vendors Private 5G Mobile Networks for Industrial IoT A Heavy Reading white paper produced for Qualcomm AUTHOR: GABRIEL BROWN, PRINCIPAL ANALYST, 5G, HEAVY READING 5G FOR INDUSTRIAL IOT Private mobile networks designed and deployed specifically for enterprise users provide opportunities to optimize and redefine business processes in ways that are either impractical or not possible within the limitations of wired and Wi-Fi networks. For industrial users, the ability to design mobile networks to meet the coverage, performance, and security requirements of production-critical applications is fundamental to the new wave of cyberphysical systems known as Industry 4.0. The strategic importance of private networks is now reflected in 5G R&D. Whereas in previous generations, private networking was an add-on capability to public cellular systems, these requirements are now addressed directly in the 5G specifications. This will ensure the technology meets the needs of future private network customers, will increase their confidence in the roadmap, and will serve to accelerate the deployment of 5G networks by and for enterprises. This Heavy Reading white paper argues that 5G technology is particularly suited to industrial users with requirements for predictable, reliable performance. It discusses how private 5G networks meet the needs of demanding industrial applications and can contribute to process automation across a range of sectors – from smart factories and warehouses, to ports, to oil & gas production, to chemical plants, to energy generation and distribution, and more. The paper investigates key issues in private 5G, including how end-user organizations can deploy and operate the technology, the integration of private local-area and wide-area public networks, and the importance of spectrum for private deployments. The paper discusses how private 5G can be deployed across diverse licensed, shared licensed, and unlicensed spectrum bands. Specifically, it addresses the use of time synchronization in shared spectrum as a way to ensure predictable performance. Drivers for Private 5G Networks Private networks are designed and deployed by enterprises to optimize or enable business processes. Broadly, there are three drivers to deploy a private mobile network: • To guarantee coverage: Often in locations with harsh radio frequency (RF) or operating conditions or where public network coverage is limited/nonexistent (e.g., remote areas). • To gain network control: For example, to apply configurations that are not supported in a public network. Security and data privacy are also important. The ability to retain sensitive operational data on-premises is crucial to high tech industrial companies. • To meet a performance profile: Specifically, a profile that will support demanding applications. 5G has a clear performance advantage over LTE and Wi-Fi in cyberphysical industrial systems. After years of development, a robust private LTE market is emerging, with deployment activity across many sectors globally. Private LTE systems take advantage of the global LTE ecosystem, which benefits from high volume, standardized technology and wellestablished suppliers able to design and deploy networks. The scale economics and interoperability benefits of global 3GPP technologies also apply to sector-specific equipment, © HEAVY READING | QUALCOMM | PRIVATE 5G NETWORKS FOR INDUSTRIAL IOT | JULY 2019 2 and well-developed supply chains and established best practices are now in place in many sectors. For example, devices such as sensors, automated guided vehicles (AGVs), security cameras, safety equipment, and so on are now available with integrated LTE. Many industrial applications can be supported on LTE. However, where users have more demanding performance requirements – in terms of availability, reliability, latency, jitter, device density, throughput, etc. – 5G is better suited to their needs than LTE. 5G includes innovations in the radio domain and system architecture that make it better able to meet the requirements of high performance industrial applications. These include the following: • In the radio domain, flexible numerology, Ultra-Reliable Low Latency Communications (URLLC), spatial diversity, positioning, quality of service (QoS), spectrum flexibility, etc. • At the system level, capabilities such as network slicing, improved security, new authentication methods, edge deployment, application programming interface (API) exposure, etc. For these reasons, where users have demanding applications, Heavy Reading believes 5G will be adopted in the industrial sector over other wireless technologies. Trials and commercial pilots are already underway, and adoption will scale rapidly when 3GPP Release 16 capabilities and ecosystem support are available. Given that Release 16 standards are scheduled for 1H 2020, expansion at scale will start from 2021 onwards. In the meantime, private LTE is a capable technology with a clear and committed upgrade path to 5G. Vendor solutions that will allow post-deployment upgrades to 5G and/or multi-mode LTE/5G operation are now coming to market. 5G Performance for Diverse Industrial Applications Industrial facilities use a wide variety of fixed and mobile networking technologies within their operational technology (OT) suites. OT refers to specialized industrial equipment that use software to control and interact with devices, processes, and events. Examples include robotic production lines, sensor networks, or industrial plant equipment. In several of these cases, the performance requirements for the link between the control system and physical actuator are extremely demanding and cannot be met by LTE and Wi-Fi. Figure 1: Consolidating Industrial Networking on a 5G Platform Source: Heavy Reading In industrial environments, a wide range of field bus communications technologies are used to provide reliable communications between physical production equipment on the shop floor and the control systems. Today, these communications field buses generally use © HEAVY READING | QUALCOMM | PRIVATE 5G NETWORKS FOR INDUSTRIAL IOT | JULY 2019 3 quasi-proprietary industrial Ethernet wired connections to transport a variety of protocols used for communications between controllers and actuators. The diversity of protocols and the restrictions of wired connections make for a complex operating environment. 5G is, therefore, also an opportunity to consolidate industrial networking complexity. Figure 1 above shows how performance and the consolidation of complexity are both drivers of 5G in industrial sectors. A good example of this is seen in the cross-industry effort underway to transition diverse field buses to a common Ethernet standard known as Time-Sensitive Networking (TSN). The performance requirements of TSN links have been captured by the 3GPP standards body and incorporated into 5G specifications. Figure 2 shows example performance requirements for robotic motion control and control-to-control uses cases. These are among the most demanding set of applications 5G is designed to support and are far beyond the capabilities of LTE or Wi-Fi. Note these high performance networks are defined for small service areas, such as seen in a factory floor, with user equipment (UE) densities greater than in macro networks. It is not expected that this performance will be supported in the wide-area public cellular network. Figure 2: Evaluation of TSN Performance Requirements for 5G New Radio Service Availability: Target Value Mean Time between Failures Message Size Allowed End-to-End Latency Survival Time UE Speed # of UEs Service Area 99.999% to 99.99999% ~ 10 years 50 bytes 500 μs 500 μs ≤ 75 km/h ≤ 20 99.9999% to 99.999999% ~ 10 years 40 bytes 1 ms 1 ms ≤ 75 km/h ≤ 50 99.9999% to 99.999999% ~ 10 years 20 by 内容过长，仅展示头部和尾部部分文字预览，全文请查看图片预览。 are preparing to offer managed private networks in these bands. There is also a very large market for wide-area and multi-site services to industrial companies alongside the private network market. Private 5G mobile networks for industrial users are emerging as one of the leading advanced 5G use cases. The strategic importance of industrial IoT is reflected in today’s industry R&D and investment priorities. © HEAVY READING | QUALCOMM | PRIVATE 5G NETWORKS FOR INDUSTRIAL IOT | JULY 2019 17 [文章尾部最后500字内容到此结束,中间部分内容请查看底下的图片预览]请点击下方选择您需要的文档下载。

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