Wireless Networking Group
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WELCOME

Welcome to the Wireless Networking Group (WiNG) at UCLA Computer Science Department. WiNG's research areas include wireless networking, mobile systems, and cloud computing. Our focus is on design, implementation and experimentation of protocols, algorithms and systems for wireless data networks. The goal is to build high-performance and dependable networking solutions for the wireless Internet.

The Wireless Networking Group is led by Dr. Songwu Lu, Professor at UCLA.

QUICK LINKS
         MobileInsight
         MiRA
NEWS

   Apr. 2016

      MobileInsight 2.0 has been released. Try our in-phone cellular network monitoring and alaysis tool!
   Mar. 2016

      Mobility misconfiguration analysis has been accepted to ACM SIGMETRICS'16.
   Dec. 2015

      VoLTE* and MMDiag have been accepted to HotMobile'16.
   Dec. 2015

     iCellular has been accepted to NSDI'16.
   Oct. 2015

     Our work "Insecurity of Voice Solution VoLTE in LTE Mobile Networks" has been reported by TheVerge, RCRWireless, Techxina, NewsUnited, etc.
   July. 2015

     We are pleased to release MobileInsight, a mobile network monitoring and analysis package on end device. It provides low-level monitors for mobile network (3G/4G RRC/MM/SM), and extensible event-driven analyzers.
   Jun. 2015

     Guan-Hua Tu successfully defended his thesis.
   May. 2014

     Chi-Yu Li successfully defended his thesis.
   May. 2014

     Guan-Hua Tu is awarded the prestigious UCLA Dissertation Fellowship Award.
   Jun. 2013

     Chunyi Peng successfully defended her thesis and is going to join Ohio State University as an Assistant Professor of Computer Science.
   Sep. 2012

     Our work "Can We Pay for What We Get in 3G Data Access?" has been reported by MIT Technology Review, Computer World, Fiscal Times and TheVerge, etc.
   May. 2012

     Yiannis Pefkianakis successfully defended his thesis.
   Mar. 2012

     Chunyi Peng is awarded the prestigious 2012 IBM Ph.D. Fellowship Award.
RECENT PUBLICATIONS

    Yuanjie Li, Haotian Deng, Chunyi Peng, Guan-Hua Tu, Jiayao Li, Zengwen Yuan, Songwu Lu

      "iCellular: Define Your Own Cellular Network Access on Commodity Smartphones,"

      Appear in USENIX NSDI 2016.
    Guan-Hua Tu, Chi-Yu Li, Chunyi Peng, Zengwen Yuan, Yuanjie Li, Xiaohu Zhao, Songwu Lu

      "VoLTE*: A Lightweight Voice Solution to 4G LTE Networks,"

      Accepted to ACM HotMobile 2016.
    Yuanjie Li, Jiaqi Xu, Chunyi Peng, Songwu Lu

      "A First Look at Unstable Mobility Management in Cellular Networks,"

      Accepted to ACM HotMobile 2016.
    Zhuoran Li, Yuanjie Li, Jie Zhao, Jiaqi Xu, Chunyi Peng

      "Understanding and Diagnosing Real-World Femtocell Performance Problems,"

      Accepted to IEEE INFOCOM 2016.
    Chi-Yu Li, Guan-Hua Tu, Chunyi Peng, Zengwen Yuan, Yuanjie Li, Songwu Lu, Xinbing Wang

      "Insecurity of Voice Solution VoLTE in LTE Mobile Networks,"

      ACM CCS 2015.
    Chi-Yu Li, Chunyi Peng, Peng Cheng, Songwu Lu, Xinbing Wang, Fengyuan Ren, Tao Wang

      "An Energy Efficiency Perspective on Rate Adaptation for 802.11n NIC,"

      Accepted to IEEE Transactions on Mobile Computing (TMC) 2015.
    Guan-Hua Tu, Chi-Yu Li, Chunyi Peng, Songwu Lu

      "How Voice Call Technology Poses Security Threats in 4G LTE Networks,"

      IEEE CNS 2015.
    Chi-Yu Li , Chunyi Peng , Songwu Lu , Xinbing Wang, Ranveer Chandra

      "Latency-Aware Rate Adaptation in 802.11n Home Networks,"

      IEEE INFOCOM 2015.
    Guan-Hua Tu, Yuanjie Li, Chunyi Peng, Chiyu Li, Songwu Lu

      "Detecting Problematic Control-Plane Protocol Interactions in Mobile Networks,"

      IEEE/ACM Transactions on Networking (TON) 2015.
    Chunyi Peng, Chi-Yu Li, Guan-Hua Tu, Hongyi Wang, Songwu Lu

      "Real Threats to Your Data Bills: Security Loopholes and Defense in Mobile Data Charging,"

      Accepted by ACM CCS, 2014.
    Guan-Hua Tu, Yuanjie Li, Chunyi Peng, Chi-Yu Li, Hongyi Wang, Songwu Lu

      "Control-Plane Protocol Interactions in Cellular Networks,"

      Accepted by ACM SIGCOMM, 2014.
    Ioannis Pefkianakis, Chi-Yu Li, Chunyi Peng, Suk-Bok Lee, Songwu Lu

      "CMES: Collaborative Energy Save for MIMO 802.11 Wireless Networks,"

      IEEE ICNP, 2013.
    Guan-Hua Tu, Chunyi Peng, Hongyi Wang, Chi-Yu Li, Songwu Lu

      "How Voice Calls Affect Data in Operational LTE Networks,"

      ACM MOBICOM, 2013.
    Guan-Hua Tu, Chunyi Peng, Chi-Yu Li, Xingyu Ma, Songwu Lu

      "Accounting for Roaming Users on Mobile Data Access: Issues and Root Causes,"

      ACM MOBISYS, 2013.
    Chunyi Peng, Chi-Yu Li, Guan-Hua Tu, Songwu Lu, Lixia Zhang

      "Mobile Data Charging: New Attacks and Countermeasures,"

      ACM CCS, 2012.
    Chunyi Peng, Guan-Hua Tu, Chi-Yu Li, Songwu Lu

      "Can We Pay for What We Get in 3G Data Access?,"

      ACM MOBICOM, 2012.
    Chi-Yu Li, Chunyi Peng, Songwu Lu, Xinbing Wang

      "Energy-based Rate Adaptation for 802.11n,"

      ACM MOBICOM, 2012.
   Chunyi Peng, Suk-Bok Lee, Songwu Lu, Haiyun Luo and Hewu Li,

      "Traffic-Driven Power Saving in Operational 3G Networks,"

       ACM MOBICOM, 2011.
   Ioannis Pefkianakis, Yun Hu, Starsky H.Y. Wong, Hao Yang, Songwu Lu,

      "MIMO Rate Adaptation in 802.11n Wireless Networks,"

       ACM MOBICOM, 2010.
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