The U.S. 3.5 GHz Citizens Broadband Radio Service

Initial commercial CBRS deployments have begun in the U.S., and full commercial service will begin later this year. The sharing arrangements in CBRS, involving Spectrum Access Systems (SASs) and Environmental Sensing Capability (ESC) networks, are relatively complex, driven mostly by the dynamic and secret nature of military incumbent activities and the need to compute aggregate interference into incumbents and some CBRS users. This talk will explore a few of the many technical details of the protection framework and how the SAS and ESC systems operate, with the goal of raising awareness for potential application of some of the CBRS concepts in other bands and other regions.

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