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Displaying 1-17 out of 17 total
Attachment Learning for Multi-channel Allocation in Distributed OFDMA Networks
Found in: Parallel and Distributed Systems, International Conference on
By Lu Wang,Kaishun Wu,Mounir Hamdi,Lionel M. Ni
Issue Date:December 2011
pp. 520-527
Wireless technologies have gained tremendous popularity in recent years, resulting in a dense deployment of wireless devices. Therefore, it is desired to provide multiple concurrent transmissions by dividing a broadband channel into separate sub channels. ...
 
TAMES: A Truthful Double Auction for Multi-Demand Heterogeneous Spectrums
Found in: IEEE Transactions on Parallel and Distributed Systems
By Yanjiao Chen,Jin Zhang,Kaishun Wu,Qian Zhang
Issue Date:November 2014
pp. 3012-3024
To accommodate the soaring mobile broadband traffic, the Federal Communications Commission (FCC) in the U.S. sets out to retrieve under-utilized spectrum (e.g., TV Whitespace) and lay the groundwork for spectrum redistribution. Auction is an efficient way ...
 
MODLoc: Localizing Multiple Objects in Dynamic Indoor Environment
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xiaonan Guo,Dian Zhang,Kaishun Wu,Lionel M. Ni
Issue Date:November 2014
pp. 2969-2980
Radio frequency (RF) based technologies play an important role in indoor localization, since Radio Signal Strength (RSS) can be easily measured by various wireless devices without additional cost. Among these, radio map based technologies (also referred as...
 
CUTS: Improving Channel Utilization in Both Time and Spatial Domain in WLANs
Found in: IEEE Transactions on Parallel and Distributed Systems
By Haochao Li,Kaishun Wu,Qian Zhang,Lionel M. Ni
Issue Date:June 2014
pp. 1413-1423
Improving channel utilization is a well-known issue in wireless networks. In traditional point-to-point wireless communication, significant efforts had been made by the existing studies on enhancing the utilization of the channel access time. However, in t...
 
Pilot: Passive Device-Free Indoor Localization Using Channel State Information
Found in: 2013 IEEE 33rd International Conference on Distributed Computing Systems (ICDCS)
By Jiang Xiao, Kaishun Wu, Youwen Yi, Lu Wang,Lionel M. Ni
Issue Date:July 2013
pp. 236-245
Many emerging applications such as intruder detection and border protection drive the fast increasing development of device-free passive (DfP) localization techniques. In this paper, we present Pilot, a Channel State Information (CSI)-based DfP indoor loca...
 
Reuse of GSM White Space Spectrum for Cognitive Femtocell Access
Found in: 2012 IEEE 18th International Conference on Parallel and Distributed Systems (ICPADS)
By Liang Yin,Kaishun Wu,Sixing Yin,Shufang Li,Lionel M. Ni
Issue Date:December 2012
pp. 1-7
Nowadays, cyber-physical system (CPS) relies on wireless networks for devices control and information backhaul. But the mass deployment CPS devices make operators' spectrum scarce situations even more worse. Hence, cellular network operators anticipate the...
 
FIMD: Fine-grained Device-free Motion Detection
Found in: 2012 IEEE 18th International Conference on Parallel and Distributed Systems (ICPADS)
By Jiang Xiao,Kaishun Wu,Youwen Yi,Lu Wang,Lionel M. Ni
Issue Date:December 2012
pp. 229-235
Device-free passive (Dfp) motion detection seeks to monitor the position change of entities without actively carrying any physical devices. Recently, WLAN with a rich set of installed wireless infrastructures enables motion detection in the area of interes...
 
Side Channel: Bits over Interference
Found in: IEEE Transactions on Mobile Computing
By Kaishun Wu,Haoyu Tan,Yunhuai Liu,Jin Zhang,Qian Zhang,Lionel M. Ni
Issue Date:August 2012
pp. 1317-1330
Interference is a critical issue in wireless communications. In a typical multiple-user environment, different users may severely interfere with each other. Coordination among users therefore is an indispensable part for interference management in wireless...
 
Chip Error Pattern Analysis in IEEE 802.15.4
Found in: IEEE Transactions on Mobile Computing
By Kaishun Wu, Haoyu Tan, Hoi-Lun Ngan, Yunhuai Liu,Lionel M. Ni
Issue Date:April 2012
pp. 543-552
IEEE 802.15.4 standard specifies physical layer (PHY) and medium access control (MAC) sublayer protocols for low-rate and low-power communication applications. In this protocol, every 4-bit symbol is encoded into a sequence of 32 chips that are actually tr...
 
DDC: A Novel Scheme to Directly Decode the Collisions in UHF RFID Systems
Found in: IEEE Transactions on Parallel and Distributed Systems
By Lei Kang, Kaishun Wu, Jin Zhang, Haoyu Tan,Lionel M. Ni
Issue Date:February 2012
pp. 263-270
RFID has been gaining popularity due to its variety of applications, such as inventory control and localization. One important issue in RFID system is tag identification. In RFID systems, the tag randomly selects a slot to send a Random Number (RN) packet ...
 
Ship Detection with Wireless Sensor Networks
Found in: IEEE Transactions on Parallel and Distributed Systems
By Hanjiang Luo,Kaishun Wu,Zhongwen Guo,Lin Gu,Lionel M. Ni
Issue Date:July 2012
pp. 1336-1343
Surveillance is a critical problem for harbor protection, border control or the security of commercial facilities. The effective protection of vast near-coast sea surfaces and busy harbor areas from intrusions of unauthorized marine vessels, such as pirate...
 
RCSMA: Receiver-Based Carrier Sense Multiple Access in UHF RFID Systems
Found in: IEEE Transactions on Parallel and Distributed Systems
By Lei Kang,Jin Zhang,Kaishun Wu,Dian Zhang,Lionel M. Ni
Issue Date:April 2012
pp. 735-743
RFID tag identification is a crucial problem in UHF RFID systems. Traditional tag identification algorithms can be classified into two categories, ALOHA-based and tree-based. Both of them are inefficient due to the incidental high coordination cost. In thi...
 
SID: Ship Intrusion Detection with Wireless Sensor Networks
Found in: Distributed Computing Systems, International Conference on
By Hanjiang Luo, Kaishun Wu, Zhongwen Guo, Lin Gu, Zhong Yang, Lionel M. Ni
Issue Date:June 2011
pp. 879-888
Surveillance is a vital problem for harbor protection, border control or the security of other commercial facilities. It is particularly challenging to protect the vast near-coast sea surface and busy harbor areas from intrusions of unauthorized marine ves...
 
hJam: Attachment Transmission in WLANs
Found in: IEEE Transactions on Mobile Computing
By Kaishun Wu,Haochao Li,Lu Wang,Youwen Yi,Yunhuai Liu,Dihu Chen,Xiaonan Luo,Qian Zhang,Lionel M. Ni
Issue Date:December 2013
pp. 2334-2345
Effective coordination can dramatically reduce radio interference and avoid packet collisions for multistation wireless local area networks (WLANs). Coordination itself needs consume communication resource and thus competes with data transmission for the l...
 
Attached-RTS: Eliminating an Exposed Terminal Problem in Wireless Networks
Found in: IEEE Transactions on Parallel and Distributed Systems
By Lu Wang,Kaishun Wu,Mounir Hamdi
Issue Date:July 2013
pp. 1289-1299
Leveraging concurrent transmission is a promising way to improve throughput in wireless networks. Existing media access control (MAC) protocols like carrier sense multiple access always try to minimize the number of concurrent transmissions to avoid collis...
 
CSI-Based Indoor Localization
Found in: IEEE Transactions on Parallel and Distributed Systems
By Kaishun Wu,Jiang Xiao,Youwen Yi,Dihu Chen,Xiaonan Luo,Lionel M. Ni
Issue Date:July 2013
pp. 1300-1309
Indoor positioning systems have received increasing attention for supporting location-based services in indoor environments. WiFi-based indoor localization has been attractive due to its open access and low cost properties. However, the distance estimation...
 
Side channel: bits over interference
Found in: Proceedings of the sixteenth annual international conference on Mobile computing and networking (MobiCom '10)
By Haoyu Tan, Jin Zhang, Kaishun Wu, Lionel Ni, Qian Zhang, Yunhuai Liu
Issue Date:September 2010
pp. 13-24
Interference is a critical issue in wireless communications. In a typical multiple-user environment, different users may severely interfere with each other. Coordination among users therefore is an indispensable part for interference management in wireless...
     
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