Full-time Faculty Members

Chenren Xu (许辰人)

Assistant Professor (Tenure-track) | Ph.D. Advisor

Center for Energy-efficient Computing and Applications

School of Electronics Engineering and Computer Science

Peking University

5 Yiheyuan Road, Beijing, China, 100871

Director, Software-hardware Orchestrated ARchitecture (SOAR) Lab@PKU

Associate Editor, Proceedings of the ACM on IMWUT (aka "UbiComp")

Tel: +86(0)10-6276-7874

Fax: +86(0)10-6275-8746

Email: chenren.xu [at] gmail.com

Office: 518S Science Building No.5 (理科5号楼)


07/2019: Privacy-perserving Edge Computing work is accepted to MobiCom'19!

06/2019: Co-chaired ACM MobiSys'19 Rising Stars Forum!

03/2019: Gave an invited seminar talk on VLC Backscatter work in MIT CSAIL!

02/2019: Invited to serve as Workshop Chair of SenSys'19!

01/2019: Invited to serve as Associate Editor of ACM IMWUT/UbiComp!

11/2018: VLC Backscatter for V2X work is awarded SenSys'18 Best Demo!

11/2018: Invited to serve as TPC for MobiSys'19!

10/2018: High-speed Rails TCP work is accepted to MobiCom'19!

09/2018: Awarded Alibaba DAMO Academy Young Fellow of class 2018!

09/2018: Backscatter tutorial paper was featured in IEEE Signal Processing Magazine Special Issue on IoT!

06/2018: Invited to serve as Web Chair for SIGCOMM'19!

06/2018: Invited to serve as TPC for IPSN'19 and EWSN'19!

02/2018: Invited to serve as TPC for SenSys'18!

11/2017: FPGA-Edge work is accepted to INFOCOM'18!

10/2017: Awarded MSRA StarTrack Visiting Scholarship of class 2018!

10/2017: Awarded CCF-Intel Young Faculty of class 2017!

10/2017: Gave invited seminar talks on VLC Backscatter work in TUM, Oxford and Cambridge!

10/2017: Yue and Yang won awards in MobiCom'17 SRC!

10/2017: Invited to co-chair the Poster/Demo session for UbiComp'18!

07/2017: On-bed Vital Sign Sensing work is accepted to SenSys'17!

06/2017: VLC Backscatter for IoT work is accepted to MobiCom'17!

Short Bio

Prof. Chenren Xu is a principal investigator in the School of Electronics Engineering and Computer Science at Peking University (PKU) where he directs Software-hardware Orchestrated ARchitecture (SOAR) Lab since 2015. He earned his Ph.D. in Electrical and Computer Engineering from WINLAB, Rutgers University and was a postdoctoral fellow in Computer Science Department at Carnegie Mellon University and visiting scholars in Microsoft Research and AT&T Shannon Labs. He is also affiliated with Center for Energy-efficient Computing and Applications (CECA) at PKU and Joint Research Institute in Science and Engineering by PKU and UCLA.

Research Interests

Radio/Optical Backscatter Communication for Battery-free IoT Connectivity

Future Mobile Internet Architecture for Extreme High Mobility Data Networking

Mobile Edge Computing for Human-centric Sensing and Network Applications


ACM SenSys Best Demo Award, 2018

Alibaba DAMO Academy Young Fellow, 2018

Microsoft Research Asia StarTrack Visiting Young Faculty, 2018

CCF-Intel Young Faculty Fellow, 2017

Rutgers ECE Graduate Program Academic Achievement Award, 2015

Samsung Best Paper Award, Gold Medal, 2014

ACM UbiComp Best Paper Nominee, 2014

ACM SenSys Best Poster Award, 2011

Shanghai Outstanding Graduate, 2008

National Undergraduate Electronic Design Contest Shanghai Divison, First Prize, 2007


04832250 Computer Networks (Honor Track)

04833010 Technology Innovation and Entrepreneurship

04832363 Seminar on Introduction to Computer Systems

Selected Journal and Magazine Publication

  1. Towards Extreme Wireless Networking(迈向极限无线互联之路)

    Chenren Xu
    Communications of the CCF, 2019
  2. Open-source Software and Hardware Platforms for Building Backscatter Systems

    Chenren Xu, Pengyu Zhang
    GetMobile, 2019
  3. Practical Backscatter Communication Systems for Battery-Free Internet of Things

    Chenren Xu, Lei Yang, Pengyu Zhang
    IEEE Signal Processing Magazine, 2018. Featured Article.
  4. Device-free WiFi Human Sensing: From Pattern-based to Model-based Approaches

    Dan Wu, Daqing Zhang, Chenren Xu, Hao Wang, Xiang Li
    IEEE Communications Magazine, 2017
  5. The Case for Efficient and Robust RF-based Device-free Localization

    Chenren Xu, Bernhard Firner, Yanyong Zhang, Richard Howard
    IEEE Transactions on Mobile Computing, 2016
  6. What Am I Looking At? Low-Power Radio-Optical Beacons for In-View Recognition Using Smart Glasses

    Ashwin Ashok, Chenren Xu, Tam Vu, Marco Gruteser, Richard Howard, Yanyong Zhang, Narayan Mandayam, Wenjia Yuan, Kristin Dana
    IEEE Transactions on Mobile Computing, 2016. Featured Article.

this is a transparent line!

Selected Conference Publication

  1. An Active-Passive Measurement Study of TCP Performance over LTE on High-speed Rails [Dataset]

    Jing Wang, Yufan Zheng, Yunzhe Ni, Chenren Xu, Feng Qian, Wangyang Li, Wantong Jiang, Yihua Cheng, Zhuo Cheng, Yuanjie Li, Xiufeng Xie, Yi Sun, Zhongfeng Wang
    ACM MobiCom, Los Cabos, Mexico, October 2019
  2. Occlumency: Privacy-preserving Remote Deep-learning Inference Using SGX

    Taegyeong Lee, Zhiqi Lin, Saumay Pushp, Caihua Li, Yunxin Liu, Youngki Lee, Fengyuan Xu, Chenren Xu, Junehwa Song, Lintao Zhang
    ACM MobiCom, Los Cabos, Mexico, October 2019
  3. A Multipath QUIC Scheduler for Mobile HTTP/2

    Jing Wang, Yunfeng Gao, Chenren Xu
    ACM APNet, Beijing, China, August 2019
  4. SoftStage: Content Staging for Vehicular Content Delivery in the eXpressive Internet Architecture

    Jing Wang, Chenren Xu, Xiuming Wang, Wangyang Li, Zhenyi Li, Shuang Jiang, Peter Steenkiste
    IEEE ICDCS, Dallas, Texas, USA, July 2019
  5. Demo: A Visible Light Backscatter Communication Solution for Low-cost Parking Space Detection

    Lilei Feng, Yang Shen, Xieyang Xu, Purui Wang, Guojun Chen, Chenren Xu
    ACM UbiComp, Singapore, October 2018
  6. Demo: Software-defined Visible Light Backscatter Network

    Xieyang Xu, Yang Shen, Guojun Chen, Yue Wu, Lilei Feng, Qing Wang, Chenren Xu
    ACM MobiSys, Munich, Germany, June 2018
  7. Accelerating Mobile Applications at the Network Edge with Software-Programmable FPGAs

    Shuang Jiang, Dong He, Chenxi Yang, Chenren Xu, Guojie Luo, Yang Chen, Yunlu Liu, Jiangwei Jiang
    IEEE INFOCOM, Honolulu, HI, USA, April 2018
  8. PassiveVLC: Enabling Practical Visible Light Backscatter Communication for Batery-free IoT Applications

    Xieyang Xu, Yang Shen, Junrui Yang, Chenren Xu, Guobin Shen, Guojun Chen, Yunzhe Ni
    ACM MobiCom, Snowbird, Utah, USA, October 2017
  9. Monitoring a Person's Heart Rate and Respiratory Rate on a Shared Bed Using Geophones

    Zhenhua Jia, Amelie Bonde, Sugang Li, Chenren Xu, Jingxian Wang, Yanyong Zhang, Richard Howard, Pei Zhang
    ACM SenSys, Delft, The Netherlands, November 2017
  10. WiDir: Walking Direction Estimation Using Wireless Signals

    Dan Wu, Daqing Zhang, Chenren Xu, Yasha Wang, Hao Wang
    ACM UbiComp, Heidelberg, Germany, September 2016
  11. Whose Moving is it Anyway? Authenticating Smart Wearable Devices Using Unique Head Movement Patterns

    Sugang Li, Ashwin Ashok, Yanyong Zhang, Chenren Xu, Janne Lindqvist, Marco Gruteser
    IEEE PerCom, Sydney, Australia, March 2016
  12. Handling a trillion (unfixable) flaws on a billion devices: Rethinking network security for the Internet-of-Things

    Tianlong Yu, Vyas Sekar, Srinivasan Seshan, Yuvraj Agarwal, Chenren Xu
    ACM HotNets, Philadelphia, Pennsylvania, USA, November 2015

Please refer to Google Scholar for complete list.

Selected Professional Service

Technical Program Committee:

   •  MobiSys'19 (light), IPSN'19, EWSN'19, EdgeSys'19

   •  SenSys'18 (light), IPSN'18, MM'18, ICDCS'18, SECON'18, GLOBECOM'18

   •  MM'17, GLOBECOM'17, WearSys'17

   •  SECON'16, WearSys'16

   •  MobiSys'15 (light), BuildSys'15

Organizing Committee:

   •  Program Chair of MobiSys'19 Rising Stars Forum, PerCom'16 CoSDEO, SenSys'15 IoT-App

   •  Workshop Chair of SenSys'19

   •  Poster/Demo Chair of UbiComp'18, HotMobile'17

   •  Publicity Chair of CPS-IoT Week'20, IPSN'15, BuildSys'15

   •  Web Chair of SIGCOMM'19, ICCCN'15

Editorial Board:

   •  Associate Editor of Proceedings of the ACM on IMWUT (aka "UbiComp"), 2019 - 2021

   •  Lead Guest Editor of IEEE Signal Processing Magazine Special Issue on IoT, 2018

Local Community Volunteer:

   •  Board Member of Peking University Alumni Association of Greater Pittsburgh, 2016 - Now

   •  Board Member of Pittsburgh Chapter Chinese Association for Science and Technology, 2014 - 2015

   •  President of Rutgers Chinese Student and Scholar Association, 2010 - 2011

Invited Talks

The Cases of Visible Light Backscatter Communication for Battery-free IoT and V2X Applications

   •  Rising Star Forum of ACM Turing Celebration Conference - China, Chengdu, China, May, 2019

   •  MIT CSAIL Seminar, Boston, USA, March, 2019

   •  Future Internet Summit, Seoul, Korea, November, 2018

   •  Shenzhen University, Shenzhen, China, November, 2018

   •  Annual PKU-UCLA JRI Symposium, UCLA, Los Angles, USA, October, 2018

The Cases for High-mobility and Low-power Data Communication and Networking

   •  Rice University ECE Seminar, Houston, USA, August, 2018

   •  Huawei Russell Network Research Workshop, 2012 Labs, Beijing, China, February, 2018

The Rise of Augmented Intelligence in Edge Networks

   •  Frontier of Mobile and Wireless Workshop, Tsinghua University, Beijing, China, 2017

   •  Computer Laboratory Systems Research Group Seminar, University of Cambridge, UK, October, 2017

   •  Oxford University, UK, October, 2017

   •  Technical University of Munich, Germany, October, 2017

   •  Microsoft Research Asia StarTrack Forum, Beijing, China, September, 2017

   •  Southeast University, Nanjing, China, September, 2017

Current Team Members

PhD students: Jing Wang (2017), Weicheng Wang (2017), Yunzhe Ni (2018)

MS students: Lilei Feng (2018), Wei Li (2019)


   •  Class 2020: Yue Wu, Purui Wang, Yihua Chen (Yuanpei Class), Zhuo Cheng, Zhiyao Ma (Turing Class), Kenuo Xu

   •  Class 2021: Bo Liang (Physics), Chenke Wang


Xieyang XuPKU CS'19Joined in Spring'16, BS thesisCS PhD of UW*
Guojun ChenPKU CS'19Joined in Spring'16, BS thesisCS PhD of Yale
Taide LiuPKU CS'19Joined in Summer'18, BS thesisTBD
Yunfeng GaoPKU CS'19Joined in Fall'18, BS thesisCS MS of UC Berkeley
Kuntai DuPKU CS'19Joined in Fall'18, BS thesisCS PhD of U.Chicago
Wei LiBUPT CS'19Joined in Spring'19CS MS of PKU
Dong HeFDU CS'19Research intern in Summer'17CS PhD of UW
Chenxi YangFDU CS'19Research intern in Summer'17CS PhD of UT-Austin
Shihan LinFDU CS'19Research intern in Summer'17CS PhD of Duke
Yang ShenPKU CS'18Joined in Spring'16, BS thesisPony.ai
Wantong JiangPKU CS'18Joined in Fall'16, BS thesisCS MS of Stanford
Caihua LiPKU CS'18Joined in Spring'17, BS thesisCS PhD of Yale
Lei YangPKU CS'18P/T joined in Spring'17CS PhD of MIT
Wangyang LiPKU CS'18Joined in Fall'15, BS thesisCS PhD of UT-Austin
Yufan ZhengPKU CS'18Joined in Spring'17, BS thesisTBD
Jieqi ShiPKU CS'18P/T joined in Spring'17Face++ → CS PhD of HKUST
Siyu YaoPKU CS'18P/T joined in Fall'17CS MS of Cornell Tech
Yunzhe NiPKU CS'18Joined in Spring'17, BS thesisCS PhD of PKU
Zhenyi LiPKU CS'17Joined in Fall'15, BS thesisECE MS of CMU
Qiuyue XuePKU EE'17Joined in Fall'16, BS thesisCS PhD of UW*
Jingxian WangBUPT EE'17Joined in Fall'15ECE PhD of CMU
Ruoyuan ZhaoPKU CS'17Project research in Spring'16CS MS of CMU
Weicheng WangPKU CS'17Joined in Fall'16, BS thesisCS PhD of PKU
Jing WangPKU CS'17Joined in Spring'16, BS thesisCS PhD of PKU
Zhuqi LiPKU CS'17Project research in Spring'17CS PhD of Princeton
Junrui YangPKU CS'16Joined in Spring'16, BS thesisCS PhD of Stanford
Yunting LiuPKU CS'16Joined in Spring'16, BS thesisCS MS of CMU
Tianchong JiangPKU EE'16Joined in Spring'16, BS thesisEE MS of GaTech
Shuang JiangPKU CS'16Joined in Fall'15, BS thesis, MS thesisCS MS of PKU → Tencent