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Writen by : Invences September 28 2023

Building an E2E Private Wireless Network with CBRS: A Comprehensive Guide

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Building your own end-to-end (E2E) private wireless network using Citizens Broadband Radio Service (CBRS) frequency spectrum is indeed a sophisticated venture. It necessitates a deep understanding of wireless networks, mastery in spectrum management, and an unwavering commitment to regulatory compliance. Below is a meticulous step-by-step guide, crafted to assist you in smoothly navigating through this intricate process.

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Step 1: Feasibility and Requirement Analysis

Define Use Cases

Delve deep to understand and precisely define the specific use cases for your private network, be it industrial IoT, private LTE/5G for enterprises, and more.

Capacity Planning

Estimate the network capacity required, considering the number of users/devices, data usage patterns, and the overall coverage area.

Spectrum Availability

Ensure the availability of CBRS spectrum in your target location, an essential step for seamless network functionality.

Step 2: Design the Network

Select Network Architecture

Make an informed decision between LTE or 5G, tailored to meet your unique requirements.

Design RAN (Radio Access Network)

Strategically plan the distribution of base stations and antennas to guarantee optimal network coverage.

Core Network Design

Devise a robust plan for your Evolved Packet Core (EPC) for LTE or the 5GC for 5G.

Backhaul

Ensure a reliable connectivity plan between the base stations and the core network.

Step 3: Obtain Necessary Hardware and Software

Acquire CBRS Devices

Procure Category A or B CBSDs (Citizens Broadband Service Devices), crucial for your network.

Core Network Solutions

Seek out an EPC/5GC solution, available as either a physical appliance or a virtualized service.

Network Management

Invest in network management and operations support systems to ensure smooth network operations.

Step 4: Register with Spectrum Access System (SAS)

Choose an SAS Provider

Select from a range of FCC-approved SAS providers.

Register CBSDs

Ensure all your CBRS devices are properly registered with your chosen SAS provider.

Obtain Spectrum Grants

Secure the necessary spectrum grants for your CBSDs, enabling them to operate effectively.

Step 5: Configure and Deploy the Network

Configure CBSDs

Configure your CBRS devices with the required parameters.

Install Base Stations

Deploy base stations at predetermined locations.

Set Up Core Network

Install and configure the EPC/5GC.

Backhaul Connectivity

Ensure seamless backhaul connectivity from the base stations to the core network.

Step 6: Test and Optimize

Coverage Testing

Conduct thorough testing to ensure network coverage meets your requirements.

Performance Testing

Evaluate the network's performance and implement optimizations as needed.

Security Testing

Bolster your network’s defenses to protect against potential threats.

Step 7: Ongoing Operations and Maintenance

Network Monitoring

Deploy monitoring solutions to continuously track network performance.

Software Updates

Ensure all network components are up-to-date with the latest software versions.

Troubleshooting and Support

Establish robust processes for network troubleshooting and user support.

Step 8: Ensure Regulatory Compliance

Maintain Records

Keep meticulous records of all network equipment, configurations, and interactions with the SAS.

Compliance Checks

Regularly verify ongoing compliance with all CBRS and FCC regulations.

Step 9: Explore and Implement Advanced Features (Optional)

Network Slicing

Utilize network slicing to allocate dedicated resources for specific use cases.

Edge Computing

Implement edge computing resources to cater to low-latency applications.

Conclusion

Embarking on the journey to build an E2E private wireless network using the CBRS spectrum is an elaborate endeavor. It demands an extensive amount of planning, a profound technical expertise, and an uncompromising adherence to regulatory standards. Assembling a knowledgeable team and securing access to necessary resources are pivotal for the successful deployment and sustainable operation of your network, positioning your enterprise at the forefront of innovation and connectivity.