Specter CBRS – Citizen’s Broadcast Radio Service

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The 3.5 GHz CBRS band will be used to improve wireless broadband access and performance in the United States. Comprising 150 MHz of shared 3.5 GHz spectrum, the CBRS band has been used by the federal government for radar systems and commercial fixed satellite systems.

In order to ensure equitable sharing, a three-tier usage model has been defined to make additional spectrum available for wireless broadband use while ensuring protection against interference and uninterrupted use by users. in place. This model coordinates spectrum access between pre-existing military radars and satellite ground stations and new commercial users. The three levels are: Full Users, Priority Access License (PAL), and General Authorized Access (GAA).

In order to determine priority and provide protection against interference, CBRS networks will include a Spectrum Access System (SAS). An SAS maintains a database of all CBRS base stations, officially called Citizens Broadband Radio Service Devices (CBSD), including their level status, geographic location, and other relevant information to coordinate channel assignments and manage potential interference. Ericsson works with major SAS vendors to provide superior CBRS solutions.

CBRS use cases

CBRS enables both traditional service providers and alternative / new entrants in the industry to provide LTE services. Cable operators, businesses, manufacturers, etc. can expand their offerings and provide LTE networks to their customers, employees and customers.

Businesses can use CBRS spectrum for private and secure LTE networks that previously relied on Wi-Fi technology. Building coverage, custom applications and other use cases can now be offloaded by network owners with significantly better performance and advanced security solutions. Private LTE networks can also leverage CBRS spectrum for IoT connectivity in an optimized, highly reliable, low latency on-premise solution.

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