Dr. Preston F. Marshall is Chair of the CBRS Alliance Board of Directors, and Engineering Director and Principle Wireless Architect for Google Wireless, responsible for spectrum access technology. His focus is the creation of a vibrant ecosystem of equipment, users, and standards in the newly shared 3.5 GHz Citizens Broadband Radio Service (CBRS) band. He is also chair of the Wireless Innovation Forum Spectrum Sharing Subcommittee, developing the standards base for 3.5 GHz spectrum sharing, and vice chair of the Board of the CBRS Alliance, developing coexistence and neutral host technology for the 3.5 GHz band. He has a new book on this subject, Three Tier Shared Spectrum, Shared Infrastructure, and a Path to 5G, recently released by Cambridge University Press, as well as two prior books on Cognitive Radio.
He has been heavily involved in wireless technology and policy, including: Deputy Director of the Information Sciences Institute (ISI) at the University of Southern California, a Research Professor at USC’s Electrical Engineering Department, a contributor to the President’s Council of Advisors on Science and Technology (PCAST) spectrum study that led to the creation of the CBRS band, and Program Manager with the Defense Advanced Research Projects Agency (DARPA), directing multiple wireless and sensing technology programs.