The Wireless Telecommunications Bureau (WTB) and Office of Engineering and Technology (OET) will host a workshop on the Spectrum Access System (SAS) for the 3550-3650 MHz band (3.5 GHz band), as proposed in the 3.5 GHz NPRM. The workshop will focus on the technical requirements, architecture, and operational parameters of the SAS. WTB and OET have issued a call for papers in advance of the workshop. This Public Notice lays out four focus areas for interested parties to address in their technical submissions. All submissions in response to the call for papers are due Friday, January 3, 2014. A full agenda will be released prior to the workshop.