什么是cbrs？

What is CBRS used for?

The primary uses for CBRS spectrum are:

• Macro extension, or providing additional wireless capacity for carriers’ macro networks, especially in urban settings
• 固定无线访问（FWA）回程
• Privately-owned and operated mobile networksfor enterprises and municipalities. This page focuses on this use case, for enterprise private mobile networks.

CBR的三层是什么？

这一频谱的三层用户是：

• 现任者，如美国海军和固定卫星
• 优先访问许可证（PAL），通常通常支付给许可证部分的频谱
• 一般授权访问（GAA），如未经许可的企业，用于私人网络。

Because these tiers concurrently share CBRS spectrum, the FCC requires that GAA users cannot interfere with PAL or incumbent users, and PAL users cannot interfere with incumbent users. A Spectrum Access System (SAS) is required to manage this potential interference.

什么设备支持CBR？

Nearly all new cellular phones, such as Apple iPhones and Google Pixels, support the CBRS band. Laptops from Hewlett Packard, Dell, and Lenovo as well as tablets from Apple, Samsung, and Zebra also support this band. The ecosystem of CBRS-compatible devices will continue to grow.

为什么cbrs？

The primary reasons enterprises deploy a CBRS network for private mobile networks are to:

• 改善广域户外覆盖范围。基于CBR的蜂窝无线覆盖比Wi-Fi AP的每个接入点（AP）更多，但是在每个AP吞吐量下方。
• 改善网络分割,或者德的能力ploy a separate, overlay network that operates over relatively clean spectrum, especially for critical traffic, such as a manufacturing or an industrial network, a separate voice communication network for employees, or retail point-of-sale devices.

New subscription-based services for CBRS are coming to market which integrate all these hardware and software components and are ready for enterprise IT network integration. This fully integrated solution considerably simplifies deployment compared to other competing solutions in the market.

What are the vertical use cases for CBRS?

Many different verticals are using CBRS to complement existing investments in wireless. Some examples are:

• 仓储和分销中心：自动车辆和机器人的更大范围的无线连接
• Healthcare:分配给工作人员的智能手机上的私人移动网络连接
• 大公共场所：network segmentation for backstage staff operations, reserving Wi-Fi for guest services
• 零售:clean, dedicated spectrum for staff-operated, enterprise owned devices in congested store environments
• K-12 schools:connectivity to digital deserts with outdoor wireless backhaul to student homes

CBRS私人移动网络使用LTE或5G吗？

今天，CBRS私人移动网络经常依赖LTE。但是，在未来，它也将支持5G。当它支持5G时，我们也将在欧洲看到更多的CBRS类型实现。

基于CBR的专用网络如何与Wi-Fi进行比较？

CBRS带旨在适应不同的细胞标准，包括4G（LTE），最终5G，但不是Wi-Fi。所有CBRS系统目前基于LTE。

企业对CBR来说感兴趣，作为增强的方式，而不是取代他们的Wi-Fi系统。CBR和Wi-Fi之间的关键差异包括：

• 覆盖：室内CBRS LTE AP比典型的室内Wi-Fi AP覆盖大约4倍。因为CBRS在3.5 GHz频谱中运行，所以传播大致相同，因为Wi-Fi运行在2.4 GHz或5 GHz。
• 设计：部署CBRS系统传统上比部署Wi-Fi系统更复杂，部分原因是因为诸如EPC和SAS等组件的要求。
• 成本：While CBRS-based LTE is a less expensive cellular solution than the traditional, small cell-based architectures, the per-AP price of CBRS is much higher than the typical per-AP Wi-Fi price. However, CBRS’s greater coverage and lower associated cabling and installation costs somewhat close this gap.