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This report looks at CBRS (3.5GHz) spectrum in the US and the unique three-tier spectrum-licensing scheme that is being used to make the spectrum available for commercial services.


  • 3.5GHz and its shared-spectrum scheme will help to finally usher in operator-neutral small cell networks, which will certainly increase demand in the US for those small cells.

Features and Benefits

  • Learn how the three-tier spectrum-sharing system will be implemented.
  • Learn what some of the possible new use cases for 3.5GHz are.

Key questions answered

  • Who is looking at being an SAS administrator in the US?
  • What is an SAS administrator and why is that important to CBRS?

Table of contents


  • In brief
  • Ovum view
  • Recommendations

Overview of 3.5GHz, aka CBRS

  • 3.5GHz spectrum background
  • CBRS will be shared spectrum using a three-tier access scheme and new tools for spectrum sensing and management

CBRS ecosystem

  • Industry bodies setting the standards to make CBRS a commercial reality
  • ESC and SAS options
  • Device and infrastructure support

Business case for CBRS

  • The neutral-operator small cell finally becomes reality
  • Private enterprise networks
  • Mobile virtual network operators can lower their costs by offloading traffic

Commercial progress and possibilities

  • 2018 is the goal
  • 5G, shared spectrum, and beyond


  • Methodology
  • Further reading
  • Author

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