• Synopsis
  • CAREER: Improving Mobile Video Delivery for Emerging Contents and Networks (NSF Award 1915122)
    Streaming videos wirelessly on mobile devices is an increasingly important application. The objective of this project is to bring innovations to mobile video delivery for new content types and over emerging networks. Specifically, the project investigates three aspects: (1) 360-degree immersive video delivery, (2) video streaming over multiple network paths (multipath), and (3) video streaming over millimeter-wave (mmWave) links. These are expected to be the key building blocks of next-generation video streaming services. First, 360-degree videos provide users with unique panoramic viewing experience; however, 360-degree video content delivery is much more challenging compared to regular videos. Second, multiple network interfaces have become a norm on off-the-shelf mobile devices but their potential is far from being fully exploited. Third, mmWave is a key technology that will be integrated into 5G wireless networks; but adapting video streaming to mmWave largely remains an uncharted territory. The proposed solutions will benefit the society by enhancing the user experience and reducing the resource consumption for next-generation immersive video services. The research will also be integrated with an education plan that seeks to prepare computer science students with the knowledge of new technological trends in networking and systems, and stimulate the general public interest in Science, Technology, Engineering, and Mathematics.
  • Project Publications
  • MMSys19 LIME: Understanding Commercial 360-degree Live Video Streaming Servicesdownload
    Xing Liu, Bo Han, Feng Qian, and Matteo Varvello.
    To appear in ACM MMSys 2019, Amherst, MA.
    MMSys19 Quality-aware Strategies for Optimizing ABR Video Streaming QoE and Reducing Data Usagedownload
    Yanyuan Qin, Shuai Hao, Krishna Pattipati, Feng Qian, Subhabrata Sen, Bing Wang, and Chaoqun Yue.
    To appear in ACM MMSys 2019, Amherst, MA.
    MobiCom18 (Demo) Demo: Tile-Based Viewport-Adaptive Panoramic Video Streaming on Smartphonesdownload
    Feng Qian, Bo Han, Qingyang Xiao, and Vijay Gopalakrishnan.
    In ACM MobiCom 2018, New Delhi, India.
    MobiCom18 Flare: Practical Viewport-Adaptive 360-Degree Video Streaming for Mobile Devicesdownload
    Feng Qian, Bo Han, Qingyang Xiao, and Vijay Gopalakrishnan.
    In ACM MobiCom 2018, New Delhi, India.
  • Personnel
  • PI: Feng Qian (fengqian at umn.edu)
    Current Students: Xing Liu (Ph.D.), Yu Liu (Ph.D.), Runsheng Ma (undergraduate)
  • Collaborators
  • AT&T Labs Research, University of Connecticut
  • Data and Code
  • (1) User Head Movement Traces of 360 Videos
    The dataset consists of 5 users' head movement traces when watching 4 360-degree videos. The data was collected by us, and used in our All Things Cellular paper. [Download Dataset, 9.8MB]
    (2) LIME Measurement Data (coming soon)
    The dataset consists of the viewing statistics of 548 paid Amazon Mechanical Turk viewers from 35 countries who have watched more than 4,000 minutes of 360-degree live videos. The data was analyzed in our MMSys 2019 paper.
  • Educational Activities
  • Courses Related to the Project:
    Fall 2019: CSCI 4211 Introduction to Computer Networks
    Spring 2019: CSCI 8980 Topics in Mobile Computing
  • Outreach Activities
  • Flare ACM MobiCom 2018 Technical Talk Video
    Flare ACM MobiCom 2018 Demo Video 1, Video 2