Publications

    2014

  • Control-Plane Protocol Interactions in Cellular Networks
    Guanhua Tu, Yuanjie Li, Chunyi Peng, Chiyu Li, Hongyi Wang, Songwu Lu,
    To appear at Sigcomm?14, Chicago, IL, August 2014.

  • Ubiquitous Keyboard for Small Mobile Devices: Harnessing Multipath Fading for Fine-Grained Keystroke Localization
    Junjue Wang, Kaichen Zhao, Xinyu Zhang, Chunyi Peng
    Mobisys'14. (25 out of 185 submissions, acceptance ratio: 13.5%)

  • Hidden Costs of Mobile Data Access in Cellular Networks
    Zehui Li, Chunyi Peng, Yunxin Liu,
    LANMAN'14, Reno, NV, USA, May 2014 (Invited Paper).

  • Epsilon: A Visible Light Based Positioning System
    Liqun Li, Pan Hu, Chunyi Peng, Guobin Shen, Feng Zhao,
    NSDI'14, Seattle, WA, April 2014. [PDF]

  • GreenBSN: Enabling Energy-Proportional Cellular Base Station Networks
    Chunyi Peng, Suk-Bok Lee, Songwu Lu, Haiyun Luo,
    to appear in IEEE Transactions on Mobile Computing (TMC).

    2013

  • Pharos: Enable Physical Analytics through Visible Light based Indoor Localization
    Pan Hu, Liqun Li, Chunyi Peng, Guobin Shen, Feng Zhao,
    HotNets-XII, College Park, MD, Nov. 2013. [PDF][Slide]

  • CMES: Collaborative Energy Save for MIMO 802.11 Wireless Networks
    Ioannis Pefkianakis, Chiyu Li, Chunyi Peng, Suk-Bok Lee, Songwu Lu,
    ICNP'13, Gottingen, Germany, Oct. 2013. [PDF][Slide]

  • How Voice Calls Affect Data in Operational LTE Networks
    Guan-Hua Tu, Chunyi Peng, Hongyi Wang, Chi-Yu Li, Songwu Lu
    Mobicom'13, Oct. 2013. [PDF][Slide]

  • Accounting for Roaming Users on Mobile Data Access: Issues and Root Causes
    Guan-hua Tu, Chunyi Peng, Chi-yu Li, Xingyu Ma, Hongyi Wang, Tao Wang, Songwu Lu
    Mobisys'13, June 2013. [PDF][Slide]

  • Ioannis Pefkianakis, Yun Hu, Suk-Bok Lee, Chunyi Peng, Soa Sakellaridi, Songwu Lu,
    Window-based Rate Adaptation in 802.11n Wireless Networks,
    ACM Mobile Networks and Applications (MONET), Vol. 18, No. 1, pp: 156-169, 2013.

Prior to 2012

  • Mobile Data Charging: New Attacks and Countermeasures
    Chunyi Peng, Chi-yu Li, Guan-hua Tu, Songwu Lu, Lixia Zhang
    CCS'12, Oct. 2012. (acceptance rate: 80/423 = 18.9%) [PDF] [slide] [demo]

  • Can We Pay for What We Get in 3G Data Access?
    Chunyi Peng, Guan-hua Tu, Chi-yu Li, Songwu Lu,
    Mobicom'12, Aug. 2012. (acceptance rate: 32/212 = 15.1%) [PDF] [slide] [demo]

  • Energy-based Rate Adaptation for 802.11n,
    Chi-yu Li, Chunyi Peng, Songwu Lu, Xinbing Wang,
    Mobicom'12, Aug. 2012. (acceptance rate: 32/212 = 15.1%) [PDF] [slide]

  • VDN: Virtual Machine Image Distribution Network for Cloud Data Centers,
    Chunyi Peng, Minkyong Kim, Zhe Zhang, Hui Lei,
    Infocom'12, Mar 2012. (acceptance rate: 278/1547 = 18%)[PDF] [slide]

  • BeepBeep: A High-Accuracy Acoustic-Based System for Ranging and Localization Using COTS Devices,
    Chunyi Peng, Guobin Shen and Yongguang Zhang,
    ACM Transactions on Embedded Computing Systems, Vol. 11, No. 1, Article 4, March 2012. [PDF]

  • An Empirical Analysis of Similarity in Virtual Machine Images,
    K. R. Jayaram, Chunyi Peng, Zhe Zhang, Minkyong Kim, Han Chen, Hui Lei,
    Middleware'11, Dec 2011. [PDF]

  • Measuring redundancy level on the Web,
    Alexander Afanasyev, Jiangzhe Wang, Chunyi Peng, Lixia Zhang,
    AINTEC'11, Nov 2011. [PDF]

  • Traffic-Driven Power Saving in Operational 3G Networks,
    Chunyi Peng, Suk-Bok Lee, Songwu Lu, Haiyun Luo, Hewu Li,
    Mobicom'11, Sep 2011. (acceptance rate: 29/214 = 13.5%) [PDF][slide]

  • Jiangzhe Wang, Chunyi Peng, Chiyu Li, Eric Osterweil, Ryuji Wakikawa, Pei-chun Cheng, Lixia Zhang,
    Implementing Instant Messaging Using Named Data,
    AINTEC'10, Nov 2010. [PDF]

  • A Scalable Micro Wireless Interconnect Structure for CMPs,
    Suk-Bok Lee, Sai-Wang Tam, Ioannis Pefkianakis, Songwu Lu, M. Frank Chang, Chuanxiong Guo, Glenn Reinman, Chunyi Peng, Mishali Naik, Lixia Zhang, Jason Cong
    Mobicom'09, Sep 2009. (acceptance rate: 30/282=10.6%)[PDF]

  • Point&Connect: Intention-based Device Pairing for Mobile Phone Users,
    Chunyi Peng, Guobin Shen, Yongguang Zhang, and Songwu Lu,
    Mobisys'09, June 2009. (acceptance rate: 26/128 = 20.3%) [PDF]

  • Analysis of classification margin for classification accuracy with applications,
    Qutang Cai, Changshui Zhang, Chunyi Peng,
    Neurocomputing, Vol.72, March 2009, pp: 1960-1968. [PDF]

  • A Weighted Subspace Approach for Improving Bagging Performance,
    Qutang Cai, Chunyi Peng, Changshui Zhang,
    2008 International Conference on Acoustic, Speech, and Signal Processing (ICASSP), Apr, 2008. [ PDF ]

  • BeepBeep: A High Accuracy Acoustic Ranging System using COTS Mobile Devices,
    Chunyi Peng, Guobin Shen, Yongguang Zhang, Yanlin Li, and Kun Tan,
    Sensys'07, Nov 2007. (acceptance rate: 25/149=16.8%)[PDF][PPT]

  • Anaylsis of Max-Min Eigenvalue of Constrained Linear Combinations of Symmetric Matrices,
    Qutang Cai, Chunyi Peng, Changshui Zhang,
    2007 International Conference on Acoustic, Speech, and Signal Processing (ICASSP), April 2007 [PDF]

  • Measurement and Modeling of A Web-based Question Answering System,
    Chunyi Peng, Zaoyang Gong, Guobin Shen,
    The first IEEE Workshop on Web Systems and Implementation (Hotweb), Nov 2006[PDF][PPT]

  • Collaboration and Fairness in Opportunistic Spectrum Access,
    Haitao Zheng, Chunyi Peng,
    IEEE International Conference on Communications (ICC), May 2005 [PDF]

  • Learning Probability Density Functions from Marginal Distributions with Applications to Gaussian Mixtures,
    Qutang Cai, Changshui Zhang, Chunyi Peng,
    IEEE International Joint Conference on Neural Networks (IJCNN), July 2005 [PDF]

  • A Block-Adaptive Subspace Method Using Oblique Projections for Blind Separation of Convolutive Mixtures,
    Chunyi Peng, Xianda Zhang, Qutang Cai,
    The International Symposium on Neural Networks (ISNN), May 2005 [PDF]

  • Utilization and Fairness in Spectrum Assignment for Opportunistic Spectrum Access,
    Chunyi Peng, Haitao Zheng, B.Y. Zhao,
    ACM Mobile Networks and Applications (MONET), Vol. 11, No.4, May 2006, pp: 555-576. [PDF]

  • On Recursive Oblique Projectors,
    Chunyi Peng, Xianda Zhang,
    IEEE Signal Processing Letters, Vol. 12, No. 6, June 2005, pp: 433-436 [PDF ]

  • Blind Separation of Convolutive Mixtures Using Oblique Projections (in Chinese),
    Chunyi Peng, Xiaolong Zhu, Xianda Zhang,
    Journal of Tsinghua University (Science and Technology), Vol.25, No. 4, April 2005, pp: 517-520 [PDF]

    Demos

  • Demo: A Paper Keyboard for Mobile Devices
    Junjue Wang, Kaichen Zhao, Xinyu Zhang and Chunyi Peng,
    ACM Mobisys?14, 2014.

  • (Demo) Point2Share: Intuitive and Secure File Sharing Among Mobile Phone Users
    Chunyi Peng, Guobin Shen, Donggun Kim, Yongguang Zhang,
    ACM Mobisys'08 Demo (best demo award), 2008.

  • (Demo) A BeepBeep ranging system on mobile phones
    Chunyi Peng, Guobin Shen, Zheng Han, Yongguang Zhang, Yanlin Li, Kun Tan
    ACM Sensys'07 Demo (best demo award), 2007.

  • (Demo) MobiUS: A Together-Viewing Mobile Video Experience
    Guobin Shen, Yanlin Li, Chunyi Peng, Yongguang Zhang
    ACM Mobisys'07 Demo (best demo award), 2007.

    Technical Reports

  • (TR) Collaborative MIMO 802.11 Energy Save
    Ioannis Pefkianakis, Chi-Yu Li, Chunyi Peng, Suk-Bok Lee, Songwu Lu
    Technical Report 130014, Department of Computer Science, University of California, Los Angeles, 2013.

  • (TR) Achieving 802.11n NIC Energy Eciency through Rate Adaptation,
    Chi-yu Li, Chunyi Peng, Songwu Lu,
    Technical Report, Department of Computer Science, University of California, Los Angeles, 2012.

  • (TR) Green 3G Cellular Network Infrastructure: A Traffic-driven Approach,
    Chunyi Peng, Suk-Bok Lee, Songwu Lu,
    Technical Report, Department of Computer Science, University of California, Los Angeles, 2011.