SAS – Spectrum Access System:
A system that authorizes and manages use of spectrum for the Citizens Broadband Radio Service.
SAS determines the available frequencies at a given geographic location for CBSDs and communicate that information to the SAS manager.
1- Determine the maximum transmission power level for CBSDs at a given location and communicate that information to the SAS manager.
2- Register and authenticate the identification information and location of CBSDs.
3- Ensure secure and reliable transmission of information between the SAS and Domain-Proxy