What is the impact of DPA (Dynamic Protection Areas) activation on a CBRS deployment?
ESC sensors detect incumbent activity in coastal areas and in turn, DPAs can be activated for the affected channels. The Spectrum Controller computes the neighborhood impact based on DPA rules and depending on the location of the CBSDs. If any CBSD in the DPA neighborhood could cause interference to federal incumbent upon DPA activation, the CBSD is placed on a “Move List.” (Note: An inland DPA can also be triggered irrespective of ESC activity via a portal controlled by the DoD)
- CBSDs that are not on the “Move list” are not impacted by DPA activation and can operate normally
- CBSDs that are on the “Move List” are required to cease transmission after notification of incumbent activity.
- In a market area, like Norfolk VA where there are large Navy operations, it is expected that the probability of DPA activations will be much higher.