Chelsea Greene is an Electronics Engineer with the Public Safety Communications Research (PSCR) Division and has been with NIST since 2018. In this role, she contributes to PSCR’s growing Mission Critical Voice (MCV) portfolio, and has recently led research into Transmit Volume Optimization (TVO) in hopes to standardize the devices that first responders need to communicate in emergency scenarios.
PSCR’s communications team interviewed Ms. Greene in honor of National STEM Day to learn more about her accomplishments, what being a woman in STEM means to her, and her hopes for young women interested in math and science.
Can you describe your current role at PSCR and what you're researching?
Chelsea Greene (CG): My background is in electrical engineering and I started working on the MCV team back in 2018. I love MCV’s focus on Quality of Experience (QoE) and making sure that the end user is actually able to do their job. When I first started, I was doing a lot of data collection and device troubleshooting, and I'm a bit spreadsheet obsessed. So, I started developing test cases, and going through all of these different measurements we wanted to do. From there, I'd look at the data and develop different scripts to detect if something was off in our measurements or if something was weird in the data, which turned into this focus on the quality of our measurements, and how we can make sure that we're doing things in a consistent way.
One major thing we've learned is that the volume settings of the radios, or whatever push-to-talk device a first responder is using, can actually impact the results when we're performing measurements. If someone is just screaming into a radio, it's not going to sound great on the oth ..
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