Sep 23–26, 2019
Alex Yoon

Alex Yoon
Principal Data Analyst, T-Mobile


Alex Yoon is the principal data analyst at T-Mobile, where he leads the cell phone-based big data crowdsourcing and analytics strategy. He identifies the use cases of big data, defines the technical requirements for data collection, crunches the crowdsourced data, and visualizes the results to steer the business decisions. He won the Innovator of the Year in 2017 for delivering the 5 GHz band utilization analysis for unlicensed LTE deployment strategy. Alex has 19 years of the mobile industry experience in areas from radio frequency engineering, product marketing, and big data analytics. He uses all the experience to make his big data analytics create bigger value and make practical differences.


2:05pm2:45pm Thursday, September 26, 2019
Location: 1E 12/13
Alex Yoon (T-Mobile)
T-Mobile successfully improved the quality of voice calling by analyzing crowdsourced big data from mobile devices. Alex Yoon walks you through how engineers from multiple backgrounds collaborated to achieve 10% improvement in voice quality and why the analysis of big data was the key to the success in bringing a better voice call service quality to millions of end users. Read more.
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