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Mr. Zi Wang / 王梓

PhD Student, Computer Science @ University of Exeter, UK

博士研究生 计算机科学 英国埃克塞特大学

College of Engineering, Mathematics and Physical Sciences
University of Exeter
Email: wangzi [at] mobinets.org
Address: College of Engineering, Mathematics and Physical Sciences, Harrison Building, Streatham Campus, University of Exeter, North Park Road, Exeter, UK, EX4 4QF

[Biography] [Education] [Publications] [Honours and Awards] [Grants] [Research Experience]

Biography

Zi Wang received his B.E. and M.E. degree at the School of Computer Science and Engineering in University of Electronic Science and Technology of China (UESTC). He is currently a PhD student in University of Exeter (UoE). His research interests focus on Mobile Edge Networks. He is also interested in high-performance computing, future Internet, cloud computing, Internet-of-Things and machine learning.

Education

  • 2018.9-Present, PhD student at College of Engineering, Mathematics and Physical Sciences, UoE.
  • 2015.9-2018.6, M.E at School of Computer Science and Engineering, UESTC.
  • 2011.9-2015.6, B.E at School of Computer Science and Engineering, UESTC.

    • Publications

    Papers:
    1. Zi Wang, Zhiwei Zhao*, Geyong Min, and Xinyuan Huang, "User Mobility Aware Task Assignment for Mobile Edge Computing", Future Generation Computer Systems (FGCS), 85: 1-8, August 2018.
    2. Zi Wang, Zifei Zhao, Geyong Min, Zhiwei Zhao* and Xinyuan Huang, "Exploiting Mobile Sensor Data for Efficient Media Caching in Mobile Edge Networks", Dependable, Autonomic and Secure Computing, 15th Intl Conf on Pervasive Intelligence & Computing, 3rd Intl Conf on Big Data Intelligence and Computing and Cyber Science and Technology Congress (DASC/PiCom/DataCom/CyberSciTech), 2017 IEEE 15th Intl. IEEE, 2017: 208-213.
    3. Zhiwei Zhao, Zi Wang, Geyong Min and Yue Cao*, "Highly-Efficient Bulk Data Transfer for Dissemination in Structured Wireless Embedded Network Systems", Elsevier Journal of Systems Architecture (JSA), 72:19-28, Jan, 2017.
    4. Yuyi Fang, Zhiwei Zhao*, Zi Wang, Geyong Min, Yue Cao, Haojun Huang and Hao Yin, "Eavesdrop with PoKeMon: Position free keystroke monitoring using acoustic data", Future Generation Computer Systems (FGCS), 87: 704-711, October 2018.
    Patent:
  • [CN] A statistics-based method for keystroke monitoring using acoustic data, No.201710301406.7

    • Honours and Awards

  • The Excellent Postgraduate of UESTC, Jun. 2018
  • The Outstanding Master Thesis of UESTC, Jun. 2018
    • Top 2.1% in the School of Computer Science and Engineering in UESTC.
  • First-prize Academic Scholarship of Postgraduates, UESTC, Sept. 2015 - Jun. 2018
    • Every year during postgraduate study (2015-2018)
  • People Scholarship, UESTC, 2012-2015
    • Every year during undergraduate study (2012-2015)
  • Outstanding Project Award in Innovation Competition, 2012-2013 "Ginkgo Award", Inovation Foundation, UESTC, 2013
    • Team leader,
    Project: A springMVC-based Modular Information Platform
  • Team Award in Innovation Competition, 2013-2014 "Ginkgo Award", Inovation Foundation, UESTC, 2014
    • Project: A Structure-Oriented B+ Tree Distributed Index System for Big Data

    Grants

    1. "Data Collection and Pre-Processing in Low-power and Heterogeneous Smart Healthcare Systems", the Fundamental Research Funds for the Central Universities, 2017.01~2018.12, Member.
    2. "Research on wireless link correlation: Modeling, Measurement and Applications", National Natural Science Foundation of China (NSFC), 2017.01~2019.12, Member.

    Research Experiences

    Postgraduate Research

    Future Mobile Internet Research Laboratory (MobiNetS), UESTC, China.    July 2015 – Aug. 2018
    M.E. Student, Research Assistant.
    MobiNetS is a research group targeting at the cutting-edge topics in the area of mobile, networked and smart computing, including low-power wireless and sensor networks (LPWSN), mobile edge computing (MEC), network function virtualization (NFV), wireless sensing, etc. (Website)
  • Studied and analysed the optimization problem of computation offloading in MEC.
  • Studied and analysed the utilization of sensor data for caching in MEC.
  • Studied structured dissemination protocols in wireless embedded network system.
  • Prototype development on Android platform.
  • Patent application.
  • Studied machine learning and artificial neural networks for further improvement in MEC.

    • - Research Project: User Mobility Aware Task Assignment for Mobile Edge Computing
    Principal Researcher
    In this project, we jointly consider the task properties, the user mobility, and network constraints and aim at reducing the task execution delay by task scheduling in mobile edge computing. My contributions in this project are:
  • Literature review on task assignment methods in mobile edge computing.
  • Modelled the task assignment problem in mobile edge networks by jointly considering the user mobility, task properties and resource distributions.
  • Proposed a lightweight algorithm to the optimization problem.
  • Conducted simulation experiments for the proposed work.

    • - Research Project: Exploiting Mobile Sensor Data for Media Caching in Mobile Edge Networks
    Principal Researcher
    In this project, we propose a novel mobile sensor data based content caching framework, design a lightweight ambient data collection scheme and present an in-depth analysis on the sensor data for understanding and classifying user preferences. My contributions in this project are:
  • Literature review on sensors and caching schemes in mobile edge networks.
  • Designed and implemented a prototype to collect sensor data on Android-based smartphones.
  • Designed a sensor-data-aware framework for content caching in MEC.li>
  • Presented an in-depth analysis on the sensor data for understanding and classifying user preferences.
  • Designed and Implemented simulation experiments.

    • - Research Project: Highly-Efficient Bulk Data Transfer for Dissemination in Structured Wireless Embedded Network Systems
    Cooperative Researcher
    In this project, we propose reliable out-of-order transmission and bursty encoding mechanisms to transmit packets as many as possible in each transmission slot. The proposed transmission protocol can fully utilize each transmission slot and propagate data in the network as fast as possible. My contributions in this project are:
  • Literature review on dissemination protocols in wireless embedded networks.
  • Designed a novel full-slot reliable transmission mechanism (ULTRA).
  • Designed and Implemented the simulation experiment for ULTRA.

    • - Research Project: Position Free Keystroke Monitoring
    Cooperative Researcher
    In this project, we propose a geometrical approach to estimate the phone-keyboard relative position by combining the linguistic model and the Time Difference of Arrival, and we further propose a Position Free Keystroke Monitoring scheme based on the Mel-Frequency Cepstral Coefficient information and adaptive k-means clustering. My contributions in this project are:
  • Algorithm improvement for the relative position estimation.
  • Patent application.

    • Undergraduate Research

    Networks and Distributed Systems Laboratory, UESTC, China.    Apr. 2013 – June 2015
    B.E. Student, Research Assistant.
    Undergraduate Research Project (URP) in UESTC recruits outstanding students who pass the qualifying examinations, and recommends them to well-known laboratories which provide the research training during the undergraduate study.
  • Studied and practiced high-performance network programming skills.
  • Studied and analysed distributed computing framework MapReduce.
  • Studied distributed networking communications.
  • Studied in-memory database system.

    • -Research Project: A Structure-Oriented B+ Tree Distributed Index System for Big Data
    Cooperative Researcher
    In this project, we analyse the existing index mechanisms for distributed storage system and design a structure-oriented B+ Tree distributed index system under the big data scenario to quickly locate storage data with index by supporting the multi-key query. My contributions in this project are:
  • Requirements analysis on index system for big data.
  • Designed and implemented the module for distributed networking communications.
  • Written the technical report.

    • -Research Project: A Massively Parallel Processing In-Memory Database System
    Cooperative Researcher
    In this project, we analyse some theories and technologies of the current existing In-memory database such as OceanBase and SAP-HANA. On the basis of our analysis, we design and implement our own distributed in-memory database system. My contributions in this project are:
  • Studied and analysed the industrial in-memory database SAP-HANA.
  • Implemented the columnar compression and index algorithm for high-performance in-memory database system.
  • Written the undergraduate project thesis.

    • Academic Links

    University of Exeter
    University of Electronic Science and Technology of China (UESTC) CH | EN
    Networking Conference Statistics

    Research Groups:
    MobiNets

    People:
    Geyong Min | Zhiwei Zhao | Jia Hu



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