Sung-Ju Lee

Sung-Ju Lee Senior Research Scientist Hewlett-Packard Laboratories 1501 Page Mill Road, M/S 1181 Palo Alto, CA 94304 email: sjlee AT hp DOT com

Hello! Welcome to my webpage. My name is Sung-Ju, but most people call me S.J. I am a Senior Research Scientist and a member of Network Architectures, Protocols, and Applications (NAPA) Research Group. NAPA research group is a part of the Multimedia Communications & Networking Lab (MCNL) and the Hewlett-Packard Laboratories in Palo Alto, CA. I've joined HP Labs in October 2000.

• Two MSWiM papers to appear at ACM MSWiM 2008.
• WinTech paper is revised with the Atheros driver bug fix.
• Streaming over mesh paper at ACM NOSSDAV 2008.
• Network Genome paper at IEEE Global Internet 2008.
• MARIA (Mesh Admission control and qos Routing with Interference Awareness) paper at IEEE ICC 2008.
• BARON (Bandwidth-Aware Routing in Overlay Networks) paper at IEEE Infocom 2008.
• The wireless interference estimation work, in collaboration with Seoul National University, has won two demo awards at ACM MobiCom 2007. It won the most popular demo award, voted by the conference attendees, and also won the 2nd best demo award in the student demo competition, voted by the competition judges.
• Interference measurement paper accepted by IEEE Communications Magazine.

Education

• PhD in Computer Science, September 2000
  University of California, Los Angeles
  Dissertation: Routing and Multicasting Strategies in Wireless Mobile Ad hoc Networks
  Advisor: Dr. Mario Gerla
  
  
• MS in Computer Science, June 1998
  University of California, Los Angeles
  
  
• BS in Computer Science and Engineering, February 1996
  Hanyang University, Korea
  

• Journal/Magazine/Book Chapter Publications
  
  
  • Jeongkeun Lee, Sung-Ju Lee, Wonho Kim, Daehyung Jo, Taekyoung Kwon, and Yanghee Choi
    "Understanding Interference and Carrier Sensing in Wireless Mesh Networks"
    To appear in IEEE Communications Magazine, 2008.
    
    
  • Gene Cheung, Puneet Sharma, and Sung-Ju Lee
    "Smart Media Striping over Multiple Busrt-loss Channels"
    IEEE Journal of Selected Topics in Signal Processing, special issue on Network-Aware Multimedia Processing and Communications, August 2007.
    
    
  • Puneet Sharma, Sung-Ju Lee, Jack Brassil, and Kang G. Shin
    "Aggregating Bandwidth for Multihomed Mobile Collaborative Communities"
    IEEE Transactions on Mobile Computing, vol. 6, no. 3, March 2007, pp. 280-296.
    
    
  • Puneet Sharma, Jack Brassil, Sung-Ju Lee, and Kang G. Shin
    "Improving Aggregated Channel Performance through Decentralized Channel Monitoring"
    Computer Networks, vol. 50, no. 11, August 2006, pp. 1675-1691.
    
    
  • Puneet Sharma, Zhichen Xu, Sujata Banerjee, and Sung-Ju Lee
    "Estimating Network Proximity and Latency"
    ACM SIGCOMM Computer Communications Review (CCR), vol. 36, no. 3, July 2006, pp. 41-50.
    
    
  • Alaa Muqattash, Marwan Krunz, and Sung-Ju Lee
    "A Perspective on the Design of Power Control for Mobile Ad Hoc Networks"
    In Mobile, Wireless and Sensor Networks: Technology, Applications and Future Directions, edited by Rajeev Shorey, Chan Mun Choon, Ooi Wei Tsang, and A. Ananda, John Wiley & Sons, March 2006.
    
    
  • Jun-Beom Lee, Young-Bae Ko, and Sung-Ju Lee
    "EUDA: Detecting and Avoiding Unidirectional Links in Ad Hoc Networks"
    ACM Mobile Computing and Communications Review, vol. 8, no. 4, October 2004, pp. 63-67.
    
    
  • Marwan Krunz, Alaa Muqattash, and Sung-Ju Lee
    "Transmission Power Control in Wireless Ad Hoc Networks: Challenges, Solutions, and Open Issues"
    IEEE Network, vol. 18, no. 5, September/October 2004, pp. 8-14.
    
    
  • Bo Shen, Sung-Ju Lee, and Sujoy Basu
    "Caching Strategies in Transcoding-Enabled Proxy Systems for Streaming Media Distribution Networks"
    IEEE Transactions on Multimedia, special issue on Streaming Media, vol. 6, no. 2, April 2004, pp. 375-386.
    
    
  • Sung-Ju Lee, Julian Hsu, Russell Hayashida, Mario Gerla, and Rajive Bagrodia
    "Selecting a Routing Strategy for Your Ad Hoc Network"
    Computer Communications, special issue on Advances in Computer Communications and Networks: Algorithms and Applications, vol. 26, no. 7, May 2003, pp. 723-733.
    
    
  • Sung-Ju Lee, Elizabeth M. Royer, and Charles E. Perkins
    "Scalability Study of the Ad Hoc On-Demand Distance Vector Routing Protocol"
    ACM/Wiley International Journal of Network Management, vol. 13, no. 2, March 2003, pp. 97-114.
    
    
  • Sung-Ju Lee, William Su, and Mario Gerla
    "On-Demand Multicast Routing Protocol in Multihop Wireless Mobile Networks"
    ACM/Kluwer Mobile Networks and Applications, special issue on Multipoint Communications in Wireless Mobile Networks, vol. 7, no. 6, December 2002, pp. 441-453.
    
    
  • Sung-Ju Lee, Elizabeth M. Belding-Royer, and Charles E. Perkins
    "Ad hoc On-Demand Distance-Vector Routing Scalability"
    ACM Mobile Computing and Communications Review, vol. 6, no. 3, July 2002, pp. 94-95.
    
    
  • Sung-Ju Lee, Wei-Ying Ma, and Bo Shen
    "An Interactive Video Delivery and Caching System Using Video Summarization"
    Computer Communications, vol. 25, no. 4, March 2002, pp. 424-435.
    
    
  • Sung-Ju Lee, William Su, and Mario Gerla
    "Wireless Ad hoc Multicast Routing with Mobility Prediction"
    ACM/Kluwer Mobile Networks and Applications, special issue on Design and Deployment of Ad Hoc Networks, vol. 6, no. 4, August 2001, pp. 351-360.
    
    
  • William Su, Sung-Ju Lee, and Mario Gerla
    "Mobility Prediction and Routing in Ad Hoc Wireless Networks"
    International Journal of Network Management, vol. 11, no. 1, John Wiley & Sons, January/February 2001, pp. 3-30.
    
    
  • Sang Ho Bae, Sung-Ju Lee, William Su, and Mario Gerla
    "The Design, Implementation, and Performance Evaluation of the On-Demand Multicast Routing Protocol in Multihop Wireless Networks"
    IEEE Network, special issue on Multicasting Empowering the Next Generation Internet, vol. 14, no. 1, January/February 2000, pp. 70-77.
    
    
  • Sung-Ju Lee, Mario Gerla, and Chai-Keong Toh
    "A Simulation Study of Table-Driven and On-Demand Routing Protocols for Mobile Ad Hoc Networks"
    IEEE Network, vol. 13, no. 4, July/August 1999, pp. 48-54.
    
    
• Conference/Workshop Publications
  
  
  • Jiho Ryu, Jeongkeun Lee, Sung-Ju Lee, and Taekyoung Kwon
    "Revamping the IEEE 802.11a PHY Simulation Models"
    To appear in Proceedings of ACM MSWiM 2008, Vancouver, Canada, October 2008.
    
    
  • Heeyoung Lee, Seongkwan Kim, Okhwan Lee, Sunghyun Choi, and Sung-Ju Lee
    "Available Bandwidth-Based Association in IEEE 802.11 Wireless LANs"
    To appear in Proceedings of ACM MSWiM 2008, Vancouver, Canada, October 2008.
    
    
  • Xiaolin Cheng, Prasant Mohapatra, Sung-Ju Lee, and Sujata Banerjee
    "Performance Evaluation of Video Streaming in Multihop Wireless Mesh Networks"
    Proceedings of ACM NOSSDAV 2008, Braunschweig, Germany, May 2008.
    
    
  • Xiaolin Cheng, Prasant Mohapatra, Sung-Ju Lee, and Sujata Banerjee
    "MARIA: Interference-Aware Admission Control and QoS Routing in Wireless Mesh Networks"
    Proceedings of IEEE ICC 2008, Beijing, China, May 2008.
    
    
  • Praveen Yalagandula, Sung-Ju Lee, Puneet Sharma, and Sujata Banerjee
    "Correlations in End-to-End Network Metrics: Impact on Large Scale Network Monitoring"
    Proceedings of IEEE GI 2008, Phoenix, AZ, April 2008.
    
    
  • Sung-Ju Lee, Sujata Banerjee, Puneet Sharma, Praveen Yalagandula, and Sujoy Basu
    "Bandwidth-Aware Routing in Overlay Networks"
    Proceedings of IEEE INFOCOM 2008, Phoenix, AZ, April 2008.
    
    
  • Jeongkeun Lee, Wonho Kim, Sung-Ju Lee, Wonho Kim, Daehyung Jo, Jiho Ryu, Taekyoung Kwon, and Yanghee Choi
    "An Experimental Study on the Capture Effect in 802.11a Networks"
    Proceedings of ACM WiNTECH 2007, Montreal, Canada, September 2007.
    
    
  • Wonho Kim, Jeongkeun Lee, Taekyoung Kwon, Sung-Ju Lee, and Yanghee Choi
    "Quantifying the Interference Gray Zone in Wireless Networks: A Measurement Study"
    Proceedings of IEEE ICC 2007, Glasglow, Scotland, June 2007.
    
    
  • Jeongkeun Lee, Sung-Ju Lee, Wonho Kim, Daehyung Jo, Taekyoung Kwon, and Yanghee Choi
    "RSS-based Carrier Sensing and Interference Estimation in 802.11 Wireless Networks"
    Proceedings of IEEE SECON 2007, San Diego, CA, June 2007.
    
    
  • Seongkwan Kim, Sung-Ju Lee, and Sunghyun Choi
    "The Impact of IEEE 802.11 MAC Strategies on Multi-Hop Wireless Mesh Networks"
    Proceedings of IEEE WiMesh 2006, Reston, VA, September 2006.
    
    
  • Praveen Yalagandula, Puneet Sharma, Sujata Banerjee, Sung-Ju.Lee, and Sujoy Basu
    "S³: A Scalable Sensing Service for Monitoring Large Networked Systems"
    Proceedings of ACM INM 2006, Pisa, Italy, September 2006.
    
    
  • Gene Cheung, Puneet Sharma, and Sung-Ju Lee
    "Implementation and Evolution of Packet Striping for Media Streaming over Multiple Burst-Loss Channels"
    Proceedings of IEEE ICME 2006, Toronto, Canada, July 2006.
    
    
  • Jayanthkumar Kannan, Beverly Yang, Scott Shenker, Puneet Sharma, Sujata Banerjee, Sujoy Basu, and Sung-Ju Lee
    "SmartSeer: Using a DHT to Process Continuous Queries over Peer-to-Peer Networks"
    Proceedings of IEEE INFOCOM 2006, Barcelona, Spain, April 2006.
    
    
  • Gene Cheung, Puneet Sharma, and Sung-Ju Lee
    "Striping Delay-sensitive Packets over Multiple Burst-loss Channels with Random Delays"
    Proceedings of IEEE ISM 2005, Irvine, CA, December 2005.
    
    
  • Sujata Banerjee, Sujoy Basu, Shishir Garg, Sukesh Garg, Sung-Ju Lee, Pramila Mulan, and Puneet Sharma
    "Scalable Grid Service Discovery Based on UDDI"
    Proceedings of MGC 2005, Greenoble, France, November 2005.
    
    
  • Gene Cheung, Puneet Sharma, and Sung-Ju Lee
    "Striping Delay-Sensitive Packets over Multiple Bursty Wireless Channels"
    Proceedings of IEEE ICME 2005, Amsterdam, The Netherlands, July 2005.
    
    
  • Puneet Sharma, Sung-Ju Lee, Jack Brassil, and Kang G. Shin
    "Distributed Communication Paradigm for Wireless Community Networks"
    Proceedings of IEEE ICC 2005, Seoul, Korea, May 2005.
    
    
  • Sujoy Basu, Sujata Banerjee, Puneet Sharma, and Sung-Ju Lee
    "NodeWiz: Peer-to-peer Resource Discovery for Grids"
    Proceedings of IEEE/ACM GP2PC 2005, Cardiff, UK, May 2005.
    
    
  • Sung-Ju Lee, Puneet Sharma, Sujata Banerjee, Sujoy Basu, and Rodrigo Fonseca
    "Measuring Bandwidth between PlanetLab Nodes"
    Proceedings of PAM 2005, Boston, MA, March 2005, pp. 292-305.
    
    
  • Rodrigo Fonseca, Puneet Sharma, Sujata Banerjee, Sung-Ju Lee, and Sujoy Basu
    "Distributed Querying of Internet Distance Information"
    Proceedings of IEEE GI 2005, Miami, FL, March 2005.
    
    
  • Puneet Sharma, Sung-Ju Lee, Jack Brassil, and Kang G. Shin
    "Handheld Routers: Intelligent Bandwidth Aggregation for Mobile Collaborative Communities"
    Proceedings of IEEE BROADNETS 2004, San Jose, CA, October 2004, pp. 537-547.
    
    
  • William W. Su and Sung-Ju Lee
    "An Adaptive and Fault-Tolerant Gateway Assignment in Sensor Networks"
    Proceedings of IEEE MASS 2004, Fort Lauderdale, FL, October 2004, pp. 576-578.
    
    
  • Young-Bae Ko, Sung-Ju Lee, and Jun-Beom Lee
    "Ad Hoc Routing with Early Unidirectionality Detection and Avoidance"
    Proceedings of IFIP PWC 2004, Delft, The Netherlands, September 2004, pp. 132-146.
    
    
  • Puneet Sharma, Sung-Ju Lee, Jack Brassil, and Kang G. Shin
    "Distributed Channel Monitoring for Wireless Bandwidth Aggregation"
    Proceedings of IFIP-TC6 Networking Conference 2004, Athens, Greece, May 2004, pp. 345-356.
    
    
  • Venkatesh Rajendran, Katia Obraczka, Yunjung Yi, Sung-Ju Lee, Ken Tang, and Mario Gerla
    "Combining Source- and Localized Recovery to Achieve Reliable Multicast in Multi-Hop Ad Hoc Networks"
    Proceedings of IFIP-TC6 Networking Conference 2004, Athens, Greece, May 2004, pp. 112-124.
    
    
  • Sujata Banerjee, Zhichen Xu, Sung-Ju Lee, and Chunqiang Tang
    "Service Adaptive Multicast for Media Distribution Networks"
    Proceedings of IEEE WIAPP 2003, San Jose, CA, June 2003.
    
    
  • Zhichen Xu, Chunqiang Tang, Sujata Banerjee, and Sung-Ju Lee
    "RITA: Receiver Initiated Just-in-Time Tree Adaptation for Rich Media Distribution"
    Proceedings of ACM NOSSDAV 2003, Monterey, CA, June 2003.
    
    
  • Ken Tang, Katia Obraczka, Sung-Ju Lee, and Mario Gerla
    "Reliable Adaptive Lightweight Multicast Protocol"
    Proceedings of IEEE ICC 2003, Anchorage, AK, May 2003.
    
    
  • Youngbae Ko, Sung-Ju Lee, and Kang-Yong Lee
    "A Multicast Protocol for Physically Hierarchical Ad Hoc Networks"
    Proceedings of IEEE VTC 2003 Spring, Jeju, Korea, April 2003.
    
    
  • Bo Shen, Sung-Ju Lee, and Sujoy Basu
    "Performance Evaluation of Transcoding-enabled Streaming Media Caching System"
    Proceedings of ACM MDM 2003, Melbourne, Austrailia, January 2003.
    
    
  • Ken Tang, Katia Obraczka, Sung-Ju Lee, and Mario Gerla
    "A Reliable, Congestion-Controlled Multicast Transport Protocol in Multimedia Multi-hop Networks"
    Proceedings of IEEE WPMC 2002, Honolulu, HI, October 2002.
    
    
  • Sujata Banerjee, Jack Brassil, Amy Dalal, Sung-Ju Lee, Ed Perry, Puneet Sharma, and Andrew Thomas
    "CDNs for Personal Broadcasting and Individualized Reception"
    Proceedings of WCW 2002, Boulder, CO, August 2002, pp. 279-284.
    
    
  • Bo Shen and Sung-Ju Lee
    "Transcoding-Enabled Caching Proxy System for Video Delivery in Heterogeneous Network Environments"
    Proceedings of IASTED IMSA 2002, Kauai, HI, August 2002, pp. 360-365.
    
    
  • Ken Tang, Katia Obraczka, Sung-Ju Lee, and Mario Gerla
    "Congestion Controlled Adaptive Lightweight Multicast in Wireless Mobile Ad Hoc Networks"
    Proceedings of IEEE ISCC 2002, Taormina, Italy, July 2002.
    
    
  • Sung-Ju Lee, Wei-Ying Ma, and Bo Shen
    "An Interactive Video Delivery and Caching System Using Video Summarization"
    Proceedings of WCW 2001, Boston, MA, June 2001, pp. 309-326.
    
    
  • Sung-Ju Lee and Mario Gerla
    "Dynamic Load-Aware Routing in Ad hoc Networks"
    Proceedings of IEEE ICC 2001, Helsinki, Finland, June 2001, pp. 3206-3210.
    
    
  • Sung-Ju Lee and Mario Gerla
    "Split Multipath Routing with Maximally Disjoint Paths in Ad hoc Networks"
    Proceedings of IEEE ICC 2001, Helsinki, Finland, June 2001, pp. 3201-3205.
    
    
  • Sang Ho Bae, Sung-Ju Lee, and Mario Gerla
    "Multicast Protocol Implementation and Validation in an Ad hoc Network Testbed"
    Proceedings of IEEE ICC 2001, Helsinki, Finland, June 2001, pp. 3196-3200.
    
    
  • Manthos Kazantzidis, Mario Gerla, and Sung-Ju Lee
    "Permissible Throughput Network Feedback for Adaptive Multimedia in AODV MANETs"
    Proceedings of IEEE ICC 2001, Helsinki, Finland, June 2001, pp. 1352-1356.
    
    
  • Puneet Sharma, Sung-Ju Lee, Jack Brassil, and Julio Lopez
    "Dynamic Link Striping: Breaking the WAN Bandwidth Barrier in Piconets"
    Proceedings of IEEE LANMAN 2001, Boulder, CO, March 2001, pp. 35-38.
    
    
  • Sang Ho Bae, Sung-Ju Lee, and Mario Gerla
    "Unicast Performance Analysis of the ODMRP in a Mobile Ad hoc Network Testbed"
    Proceedings of IEEE ICCCN 2000, Las Vegas, NV, October 2000, pp. 148-153.
    
    
  • William Su, Sung-Ju Lee, and Mario Gerla
    "Mobility Prediction in Wireless Networks"
    Proceedings of IEEE MILCOM 2000, Los Angeles, CA, October 2000, pp. 491-495.
    
    
  • Sung-Ju Lee and Mario Gerla
    "AODV-BR: Backup Routing in Ad hoc Networks"
    Proceedings of IEEE WCNC 2000, Chicago, IL, September 2000.
    
    
  • Sung-Ju Lee, William Su, and Mario Gerla
    "Exploiting the Unicast Functionality of the On-Demand Multicast Routing Protocol"
    Proceedings of IEEE WCNC 2000, Chicago, IL, September 2000.
    
    
  • Elizabeth M. Royer, Sung-Ju Lee, and Charles E. Perkins
    "The Effects of MAC Protocols on Ad hoc Communication Protocols"
    Proceedings of IEEE WCNC 2000, Chicago, IL, September 2000.
    
    
  • Sung-Ju Lee, William Su, Julian Hsu, Mario Gerla, and Rajive Bagrodia
    "A Performance Comparison Study of Ad Hoc Wireless Multicast Protocols"
    Proceedings of IEEE INFOCOM 2000, Tel Aviv, Israel, March 2000, pp. 565-574.
    
    
  • Sung-Ju Lee, William Su, and Mario Gerla
    "Ad hoc Wireless Multicast with Mobility Prediction"
    Proceedings of IEEE ICCCN'99, Boston, MA, October 1999, pp. 4-9.
    
    
  • Sung-Ju Lee, Mario Gerla, and Ching-Chuan Chiang
    "On-Demand Multicast Routing Protocol"
    Proceedings of IEEE WCNC'99, New Orleans, LA, September 1999, pp. 1298-1302.
    
    
  • Sung-Ju Lee, Chai-Keong Toh, and Mario Gerla
    "Performance Evaluation of Table-Driven and On-Demand Ad Hoc Routing Protocols"
    Proceedings of IEEE PIMRC'99, Osaka, Japan, September 1999, pp. 297-301.
    
    
  • Mario Gerla, Guangyu Pei, and Sung-Ju Lee
    "Wireless, Mobile Ad-Hoc Network Routing"
    Presented at ACM/IEEE WINLAB/Berkeley FOCUS'99, New Brunswick, NJ, May 1999.
    
    
• Internet Drafts
  
  
  • Sung-Ju Lee, William Su, and Mario Gerla
    "On-Demand Multicast Routing Protocol (ODMRP) for Ad hoc Networks"
    Internet-Draft, draft-ietf-manet-odmrp-02.txt, January 2000.
    
    
• Technical Reports
  
  
  • Puneet Sharma, Jack Brassil, Sung-Ju Lee, and Kang G. Shin
    "Distributed Channel Monitoring for Wireless Bandwidth Aggregation "
    HP Laboratories Technical Report, August 2003.
    
    
  • Puneet Sharma, Sung-Ju Lee, Jack Brassil, and Kang G. Shin
    "Handheld Routers: Intelligent Bandwidth Aggregation for Mobile Collaborative Communities"
    HP Laboratories Technical Report, May 2003.
    
    
  • Bo Shen, Sung-Ju Lee, and Sujoy Basu
    "Streaming Media Caching with Transcoding-Enabled Proxies"
    HP Laboratories Technical Report, August 2002.
    
    
  • Sujata Banerjee, Jack Brassil, Amy Dalal, Sung-Ju Lee, Ed Perry, Puneet Sharma, and Andrew Thomas
    "Multi-Stream Media Servers"
    HP Laboratories Technical Report, July 2002.
    
    
  • Sujata Banerjee, Jack Brassil, Amy Dalal, Sung-Ju Lee, Ed Perry, Puneet Sharma, and Andrew Thomas
    "Rich Media from the Masses"
    HP Laboratories Technical Report, May 2002.
    
    
  • Ken Tang, Katia Obraczka, Sung-Ju Lee, and Mario Gerla
    "How Effective is End-to-End Reliable Multicast in Ad Hoc Networks?"
    UCLA CSD Technical Report, August 2001.
    
    

• Mobile Ad hoc Networking (with Elizabeth M. Belding-Royer)
  IEEE ComSoc's Tutorials Now.
  
  
• Power-Efficient Protocols for Wireless Ad Hoc Networks (with Marwan Krunz)
  ACM MobiCom 2004, Philadelphia, PA, September 2004.
  
  
• Power-Efficient Protocols for Mobile Ad hoc Networks (with Marwan Krunz)
  ACM MobiHoc 2004, Tokyo, Japan, May 2004.
  
  
• Mobile Ad hoc Networking (with Elizabeth M. Belding-Royer)
  ACM MobiCom 2003, San Diego, CA, September 2003.
  
  
• Mobile Ad hoc Networking (with Elizabeth M. Belding-Royer)
  IEEE WCNC 2003, New Orleans, LA, March 2003.
  
  
• Mobile Ad hoc Networking (with Elizabeth M. Belding-Royer)
  ACM MobiCom 2002, Atlanta, GA, September 2002.
  
  
• Routing & Multicasting in Ad hoc Networks (with Elizabeth M. Belding-Royer)
  ACM MobiHoc 2002, Lausanne, Switzerland, June 2002.
  
  
• Mobile Ad hoc Networking (with Elizabeth M. Belding-Royer)
  IEEE IPCCC 2002, Phoenix, AZ, April 2002.
  
  
• Mobile Ad hoc Networking (with Elizabeth M. Belding-Royer)
  IEEE GlobeCom 2001, San Antonio, TX, November 2001.
  

• Professional Memberships:
  • IEEE (Senior Member)
  • ACM (Senior Member)
  • IEEE Communications Society
  • IEEE Computer Society
  • ACM SIGCOMM
  • ACM SIGMOBILE
  
  
• Editor:
  • Elsevier Science's Ad hoc Networks, member of editorial board, 2002 - 2007
  • ACM SIGMOBILE Mobile Computing and Communications Review (MC2R), Associate Editor-in-Chief, January 2004 - December 2005
  • ACM SIGMOBILE Mobile Computing and Communications Review (MC2R), Area Editor on Ad Hoc Networks, January 2002 - December 2003
  
  
• Guest Editor:
  • Mobile Networks & Applications, special issue on selected papers from ACM WMASH 2003, with Giuseppe Bianchi and Parviz Kermani
    
  • Wireless Communications & Mobile Computing, special issue on Mobile Ad Hoc Networking: Research, Trends, and Applications, with Stefano Basagni
    
  
  
• Steering Committee:
  • ACM International Workshop on Wireless Mobile Applications and Services on WLAN Hotspots (WMASH)
    
  • IEEE Conference on Sensor and Ad Hoc Communications and Networks
    
  
  
• Technical Program Chair:
  • The First IEEE International Workshop on Wireless Mesh Networks (WiMesh 2005), with Prasant Mohapatra.
  • The First IEEE International Conference on Sensor and Ad Hoc Communications and Networks (SECON 2004), with Prasant Mohapatra and Krishna Sivalingam.
  • The First ACM International Workshop on Wireless Mobile Applications and Services on WLAN Hotspots (WMASH 2003), with Giuseppe Bianchi.
  
  
• Technical Program Committee:
  • IEEE Annual Conference on Computer Communications (Infocom), 2004-2009
  • ACM Annual International Conference on Mobile Computing and Networking (MobiCom), 2003-2007
  • ACM Annual International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), 2004-2007
  • IEEE Annual Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON), 2004-2008
  • IEEE Annual International Conference on Mobile Ad hoc and Sensor Systems (MASS), 2004, 2006-2008
  • IEEE Workshop on Wireless Mesh Networks (WiMesh), 2008
  • IFIP Annual Networking Conference, 2006-2007
  • The Fifth Annual Mediterranean Ad Hoc Networking Workshop (Med-Hoc-Net 2006)
  • The Second Annual IEEE International Wireless Internet Conference (WICON 2006)
  • The Second Annual ACM International Workshop on Multi-hop Ad Hoc Networks: From Theory to Reality (REALMAN 2006)
  • IEEE Annual International Conference on Mobile Ubiquitous Systems: Networks and Services (MobiQuitous), 2005-2006
  • The Sixth IFIP IEEE International Conference on Mobile and Wireless Communication Networks (MWCN 2004)
  • IEEE Annual International Conference on Computer Communications and Networks (ICCCN), 2001-2004
  • IEEE Semiannual Vehicular Technology Conference (VTC 2003 Fall)
  • IEEE Annual International Conference on Communications (ICC) Next Generation Internet Symposium, 2002-2003
  • The 5th Annual IEEE Symposium on Wireless Personal Multimedia Communications (WPMC 2002)
  • IEEE International Conference on Communcations (ICC 2002) Wireless Networking Theory Symposium
  • SCS Communication Networks and Distributed Systems Modeling and Simulation Conference (CNDS 2002)
  • The First ACM Workshop on Wireless Mobile Internet (WMI 2001)
  
  
• Secretary:
  • IEEE Communications Society, San Francisco Chapter, 2001
    
  
  
• Publication Chair:
  • The Second Annual ACM Symposium on Mobile Ad Hoc Networking & Computing (MobiHoc 2001)
    
  
  
• Publicity Chair:
  • The Fourth Annual ACM International Symposium on Mobile Ad Hoc Networking & Computing (MobiHoc 2003), with Michele Zorzi
    
  • The First Annual ACM/IEEE Workshop on Mobile Ad Hoc Networking & Computing (MobiHoc 2000)
  
  
• Technical Poster Program Chair:
  • The Eighth ACM International Conference on Mobile Computing and Networking (MobiCom 2002), with Elizabeth M. Belding-Royer
    
  
  
• Local Arrangements Chair:
  • The 22nd IEEE International Conference on Computer Communications (INFOCOM 2003), with Sue Moon
    
  • The Fifth IEEE Workshop on Mobile Computing Systems and Applications (WMCSA 2003), with Katia Obraczka
  
  
• Panelist:
  • The Fourth ACM International Workshop on Wireless Mobile Applications and Services on WLAN Hotspots (WMASH 2007), "The Evolution of Wi-Fi and its Role in the Future Mobile/Wireless Networks," moderated by Sunghyun Choi
  • The Korean Federation of Science and Technology Societies (KOFST)’s Korea Conference on Innovative Science and Technology (KCIST 2006): Internet of the Future, "Trends in Multimedia Services," moderated by Nitin Vaidya and Byoung-Joon Lee
  • The Third IEEE Workshop on Internet Applications (WIAPP 2003), "Mobile Ad Hoc Networks for Internet Applications: Real or Hype," moderated by Prasant Mohapatra
  
  
• Technical Referee:
  IEEE Journal on Selected Areas in Communications, IEEE/ACM Transactions on Networking, IEEE Transactions on Computers, IEEE Transactions on Mobile Computing, IEEE Transactions on Wireless Communications, IEEE Transactions on Multimedia, ACM/Kluwer Wireless Networks, ACM/Kluwer Mobile Networks and Applications, IEEE Communications Magazine, IEEE Wireless Communications Magazine, IEEE Network, Computer Networks, KICS Journal of Communications and Networks, IEEE Communications Letters, ACM SIGCOMM, IEEE ICNP, ACM Multimedia, IEEE GlobeCom, IEEE IWGC, ACM Dial M for Mobility, IEEE Global Internet Symposium, IEEE MoMuc, IEEE RTAS, IEEE WCNC, IEEE SAWN, IFIP/IEEE PfHSN, ACM MDM