Mycroft Liu - Research Assistant at University of Minnesota

Mycroft Liu

Research Assistant at University of Minnesota
Email: liux4418 at umn dot edu
Office: 117 Pleasant St SE, Digital Technology Center Suite 487, Minneapolis, MN 55455

Qingxu "Mycroft" Liu. American MENSA member. Detail-oriented computer science undergraduate research assistant with strong mathematics background and hands-on experience performing laboratory work to advance research goals. Good coding background with multiple computer languages. Currently pursuing degree of B. A. Mathematics and B. S. Computer Science double major at the University of Minnesota-Twin Cities.
Mycroft is easy to cooperate with and hunger to learn new things. Currently looking for an internship in computer science labs and IT software industries.

Disciplines: Computer Network, 5G Application, Data Analysis


University of Minnesota-Twin Cities

Bachelor of Science

Computer Science

Bachelor of Arts


SEP 2017 - May 2020, SEP 2021 - PRESENT

Nanjing Foreign Language School

Middle School & High School

IB Diploma Program

SEP 2011 - May 2017


Research Assistant

University of Minnesota-Twin Cities

Advisor: Prof. Zhi-Li Zhang
Qwest Chair Professor and McKnight Distinguished University Professor at the University of Minnesota-Twin Cities

5G mmWave Researcher
A First Look at Commercial 5G Performance on Smartphones
Official Website
Lumos5G: Mapping and Predicting Commercial mmWave 5G Throughput
Official Website

Android Developer
Developed 5GTracker app which collects information such as 5G/4G network status, tower handoff status, GPS, etc. from the devices.

Web Developer
United States 5G Coverage Map

Network Researcher
Using NFQueue and Scapy to analyze IoT data.
Developed a lab server management system. (On going)


Information Security Internship

Volvo Cars (Asia-Pacific)

Supported security supervision, operation and maintenance in all digital projects. Built up internal security tools with open source software. Involved in data loss prevention and compliance projects. Lead the investigation on one serious security incident and found the hacker.

JUL 2020 - OCT 2020

Software Engineer Internship

Linkage Info, LLC   (Former NASDAQ Symbol: ASIA)

Supported software engineering in School-Parents Communication Platform project. Used CentOS, Oracle SQL, Java, Spring, etc. on regular basis. Best intern student award.

JUN 2019 - AUG 2019


Some Paper
  • Lumos5G: Mapping and Predicting Commercial mmWave 5G Throughput
    Arvind Narayanan, Eman Ramadan, Rishabh Mehta, Xinyue Hu, Qingxu Liu, Udhaya Kumar Dayalan,
    Rostand Fezeu, Saurabh Verma, Peiqi Ji, Tao Li, Feng Qian, Zhi-Li Zhang
    ACM IMC 2020, Remote Conference, October, 2020
  • A First Look at Commercial 5G Performance on Smartphones
    Arvind Narayanan, Eman Ramadan, Jason Carpenter, Qingxu Liu, Yu Liu, Feng Qian, Zhi-Li Zhang
    WWW 2020, Taipei, Taiwan, April, 2020

All Publications


Programming Languages & Tools
  • English
  • Mandarin


  • American Mathematics Competition (AMC12) World Top 1%
  • American MENSA Member
  • Dean's List - University of Minnesota-Twin Cities


Most importantly

- FC Barcelona fan
- Love traveling
- Love playing golf

All other hobbies