CEDC seminar: Wireless Coexistence Measurements and Challenges: Why Can’t We All Get Along?

| 11:00 AM - 12:15 PM
Room Number: 2002
North Classroom
1200 Larimer Street
Denver, CO

Jason Coder, M.Sc.
Shared Spectrum Metrology Group
National Institute of Standards and Technology

Abstract

Wireless coexistence is a formidable problem that limits access and use of spectrum in today’s connected world. End-users, system administrators, network planners, and regulators all desire to understand how their wireless devices, systems, or networks will perform amid many other wireless devices before they are deployed. Given this desire, how can we design tests that quantify wireless performance? To start, can we pin down what quantities represent good wireless performance? How should test results be interpreted? This talk will present an overview of the concept of wireless coexistence in general, then dive into a discussion on techniques for coexistence modeling, measurement methods, standardization efforts, and a look at future coexistence challenges. The goal of this talk is to leave audience members with a better understanding of what coexistence is (or isn’t) and a deeper understanding of how we can tackle coexistence problems to enable better access to spectrum.

Bio. 
Jason Coder received his bachelor's and master of science degrees in electrical engineering from the University of Colorado Denver in 2008 and 2010, respectively. As a graduate student his research focused on signal processing and electromagnetics.  Coder currently leads the Shared Spectrum Metrology Group in the National Institute of Standards and Technology’s Communications Technology Laboratory. During his tenure at NIST, Coder has worked in fundamental EM measurements, EMC, antenna measurements, and was a founding member of the Shared Spectrum Metrology Group. His current research focuses on developing new measurement methods for spectrum sharing, wireless coexistence, and interference. This work has produced more than 60 publications and has been cited more than 600 times. Coder currently serves as the Chair of the ANSI C63.27 working group on Wireless Coexistence, and the Chair of ANSI C63 Subcommittee 7 on Spectrum Etiquette. Coder also serves in the National Advanced Spectrum and Communications Test Network (NASCTN), as a technical lead on the Aggregate LTE Emissions project. This project is expected to have a significant impact on DoD’s ability to share the spectrum with commercial entities.

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