Identifying CBRS Use Cases for Private Cellular Deployment

February 3, 2022 Matt Addicks

Identifying CBRS Use Cases for Private Cellular Deployment

Increased spectrum availability means more opportunity to technologically transform day-to-day operations

At first glance, the Citizens Broadband Radio Service (CBRS) may sound like the name of a studio broadcast from radio’s golden age, but its waves carry much more potential. CBRS is a versatile band of shared spectrum that’s attracting immense interest in the use and expansion of Private Cellular Networks (PCN). By tapping into the unique architecture and capabilities of CBRS, enterprise businesses are bringing their dreams of digital automation and transformation to life.

What is CBRS?

CBRS is a band of radio frequency spectra operating in the 3.55-3.7 GHz range. The CBRS spectrum totals 150 MHz and is particularly unique because it is a shared spectrum that the Federal Communications Commission (FCC) has divided it into three tiers, each occupied by users with different types of access.

  • The incumbent access tier is used solely by the U.S. Navy and commercial fixed satellite stations whose access is grandfathered and prioritized to protect them from interference.
  • The priority access tier includes Priority Access License (PAL) holders, such as Internet service providers and enterprises users, who have purchased spectrum licenses from the FCC during auctions.
  • The General Authorized Access (GAA) tier is composed of users who can access the CBRS spectrum for free using phones, laptops, home routers, etc., but are not given priority over incumbents or PAL users.

Access to CBRS is managed and administered by a group of Spectrum Access Systems (SAS) providers, including Amdocs, CommScope, Federated Wireless, Google, CommScope, and Sony, who determine appropriate level of access for each user.

CBRS is distinct not only because of its shared architecture, but also because of its potential to offload traffic for wireless carriers and mobile virtual network operators (MVNOs), deliver fixed wireless access, and operate as an alternative to distributed antenna systems (DAS) and Wi-Fi.

Check out our Private Cellular Network white paper to learn more about Private LTE and Private 5G.

How CBRS impacts Private Cellular Networks

Although the large-scale adoption of CBRS is picking up steam, the market is still maturing and standardizing use cases for the sizeable 150 MHz band. Spectrum availability is a critical component of the success and maturation of the private cellular market in the U.S. as enterprise businesses seek out a Wireless WAN solution that checks all the boxes of security, scalability, coverage, latency, and speed.

Whether an organization has already purchased a license to use the CBRS spectrum or they plan to use GAA, converting their allotted spectrum to a Private LTE or 5G model can solve a myriad of operational hurdles by:

  • Alleviating severe network congestion through priority and preemption.
  • Providing secure, mobile, interference-free connectivity.
  • Facilitating the storage and management of sensitive data at the edge.
  • Delivering Wireless WAN and LAN solutions where carriers lack infrastructure.
  • Making high-bandwidth applications more affordable.


CBRS use cases

Industries throughout the U.S. have taken note of PCN benefits, and CBRS availability only further increases the likelihood that businesses can take advantage of next-generation technologies where connectivity is required. Here are a few ways Private Cellular and CBRS are being used today.

Connected equipment and autonomy

Across vast landscapes and hard-to-reach places, PCNs provide businesses with a means to get the job done. For example, the mining industry uses Private 5G and LTE to operate remote-controlled vehicles in dangerous environments, while agricultural enterprises use PCNs to connect soil sensors and digital nutrient maps that guide irrigation practices, pruning, and chemical applications.

Asset modernization

A PCN can securely connect devices used for remote monitoring and control, such as intelligent traffic sensors driving automation and improving efficiencies. In addition to connecting their point-of-sale operations and 4K video displays, large retail complexes like American Dream have used CBRS and Private LTE to implement location tracking sensors for strollers and elevators, ticketing machines, and more while saving nearly 90% of fiber optic costs.

Video and security

Even though security cameras are commonplace in urban, suburban, and rural areas alike, a suitable Internet connection isn’t always available where a camera needs to be installed. Using a PCN as backhaul for cameras and security devices allows organizations to protect their assets regardless of location.

Worksite flexibility

When connected to assets in a distribution, logistics, warehouse, or port environment, a PCN provides a secure network with the agility required to, allow operations managers on-site to better utilize their workforce, equipment, resources, and space. This includes GPS applications and locators for more efficient picking and packing, as well as IoT sensors for environmental monitoring and predictive maintenance.

Connected workers

PCNs help connect workers to their environments and to one another. In large public venues like stadiums and amusement parks, PCNs are used to deliver push-to-talk applications without interference. In challenging environments like mines or remote oil rigs with few options for connectivity, Private LTE provides the network needed to communicate with workers and ensure their safety.

Fixed wireless access

Because it’s not feasible to run fiber to every home in the U.S., wireless service providers can offer connectivity in remote areas with the help of CBRS. During the COVID era, this use of the spectrum became an important element of distance learning. In fact, through CBRS-driven Private LTE, the Murray School District was able to provide high-performance connectivity to more than 400 households.

Getting started with a PCN

If any of the above use cases resonate with you, it may be time to carve out your own piece of the CBRS spectrum and establish a Private Cellular Network. Here are a few simple steps to begin creating your plan.

  1. Create a clear picture of your business requirements by determining which problems a PCN will solve for, which edge devices to support, and what data rate and interoperability requirements must be met. Strategizing long-term wireless needs will help to future-proof your investment.
  2. Develop and prioritize use cases and key performance indicators (KPIs). The more use cases, the better the ROI of a Private Cellular Network.
  3. Define infrastructure requirements, starting with user equipment. A proof of concept supporting your anchor use case will help your team familiarize themselves with the equipment while also validating your business case.
  4. Design the network, leveraging a trusted integrator with experience in wireless. Remember to take zoning, permitting, site acquisition, and construction into account for outdoor deployments.
  5. Measure and reflect on the KPIs, considering additional use cases for the network.

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