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Displaying 1-12 out of 12 total
Fast Spectrum Shaping for Next-Generation Wireless Networks
IEEE Transactions on Mobile Computing
By Eugene Chai,Kang G. Shin,Jeongkeun Lee,Sung-Ju Lee,Raul H. Etkin
Issue Date:January 2014
Spectrum management and device coordination for dynamic spectrum access (DSA) networks have received significant research attention. However, current wireless devices have yet to fully embrace DSA networks due to the difficulties in realizing spectrum-agil...
NICE: Network Intrusion Detection and Countermeasure Selection in Virtual Network Systems
IEEE Transactions on Dependable and Secure Computing
By Chun-Jen Chung,Pankaj Khatkar,Tianyi Xing,Jeongkeun Lee,Dijiang Huang
Issue Date:July 2013
Cloud security is one of most important issues that has attracted a lot of research and development effort in past few years. Particularly, attackers can explore vulnerabilities of a cloud system and compromise virtual machines to deploy further large-scal...
Message from the workshops chairs
2012 IEEE Thirteenth International Symposium on
By Raffaele Bruno, Jeongkeun Lee
Issue Date:June 2012
WoWMoM has been known for its successful workshop programs as well as its high-quality main conference papers. WoWMoM has identified emerging hot workshop topics which also continued to last and grow in the field. The timely selections of new topics have y...
Network Integrated Transparent TCP Accelerator
Advanced Information Networking and Applications, International Conference on
By Jeongkeun Lee, Puneet Sharma, Jean Tourrilhes, Rick McGeer, Jack Brassil, Andy Bavier
Issue Date:April 2010
Network device vendors have recently opened up the processing capabilities on their hardware platform to support third-party applications. In this paper, we explore the requirements and overheads associated with co-locating middlebox functionality on such ...
How to Mitigate Signal Dragging during Wardriving
IEEE Pervasive Computing
By Jinyoung Han, Jeongkeun Lee, Ted
Issue Date:January 2010
In wardriving, test devices in moving vehicles measure received signal strengths (RSSs) from nearby base stations (BSs) and record them with location information, which is a key component in localization technologies. In this article, the authors analyze t...
Building efficient spectrum-agile devices for dummies
Found in: Proceedings of the 18th annual international conference on Mobile computing and networking (Mobicom '12)
By Eugene Chai, Jeongkeun Lee, Kang G. Shin, Raul Etkin, Sung-Ju Lee
Issue Date:August 2012
Spectrum management and device coordination for Dynamic Spectrum Access (DSA) networks have received significant research attention. However, current wireless devices have yet to fully embrace DSA networks due to the difficulties in realizing spectrum-agil...
Revamping the IEEE 802.11a PHY simulation models
Found in: Proceedings of the 11th international symposium on Modeling, analysis and simulation of wireless and mobile systems (MSWiM '08)
By Jeongkeun Lee, Jiho Ryu, Sung-Ju Lee, Taekyoung Kwon
Issue Date:October 2008
In simulating wireless networks, modeling of the physical layer behavior is an important yet difficult task. Modeling and estimating wireless interference is receiving great research attention, and is crucial in a wireless network performance study. The im...
An experimental study on the capture effect in 802.11a networks
Found in: Proceedings of the the second ACM international workshop on Wireless network testbeds, experimental evaluation and characterization (WinTECH '07)
By Daehyung Jo, Jeongkeun Lee, Jiho Ryu, Sung-Ju Lee, Taekyoung Kwon, Wonho Kim, Yanghee Choi
Issue Date:September 2007
In wireless networks, a frame collision does not necessarily result in all the simultaneously transmitted frames being lost. Depending on the relative signal power and the arrival timing of the involved frames, one frame can survive the collision and be su...
CSpy: finding the best quality channel without probing
Found in: Proceedings of the 19th annual international conference on Mobile computing & networking (MobiCom '13)
By Bozidar Radunovic, Jeongkeun Lee, Kyu-Han Kim, Souvik Sen
Issue Date:September 2013
Wireless performance depends directly on the quality of the channel. A wireless transmitter can improve its performance by estimating and transmitting on only the strongest channel, which can be of significantly higher quality than a weak channel (yielding...
Application-awareness in SDN
Found in: Proceedings of the ACM SIGCOMM 2013 conference on SIGCOMM (SIGCOMM '13)
By Gowtham Bellala, Guevara Noubir, Jeongkeun Lee, Manfred Arndt, Tao Jin, Zafar Ayyub Qazi
Issue Date:August 2013
We present a framework, Atlas, which incorporates application-awareness into Software-Defined Networking (SDN), which is currently capable of L2/3/4-based policy enforcement but agnostic to higher layers. Atlas enables fine-grained, accurate and scalable a...
No more middlebox: integrate processing into network
Found in: Proceedings of the ACM SIGCOMM 2010 conference on SIGCOMM (SIGCOMM '10)
By Jean Tourrilhes, Jeongkeun Lee, Puneet Sharma, Sujata Banerjee
Issue Date:August 2010
Traditionally, in-network services like firewall, proxy, cache, and transcoders have been provided by dedicated hardware middleboxes. A recent trend has been to remove the middleboxes by deploying the network services into switch/router-integrated computin...
Analysis of RFID anti-collision algorithms using smart antennas
Found in: Proceedings of the 2nd international conference on Embedded networked sensor systems (SenSys '04)
By Jeongkeun Lee, Kyung-ah Kim, Sajal K. Das, Taekyoung Kwon, Yanghee Choi
Issue Date:November 2004
Recently, the radio frequency identification (RFID) technology has gained significant attention. One of the important performance issues in RFID systems is to resolve the collision among responses from RFID tags from the viewpoint of wireless media access ...
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