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Displaying 1-23 out of 23 total
A Prototype Wireless Sensor Network for Precision Agriculture
Found in: 2013 IEEE 33rd International Conference on Distributed Computing Systems Workshops (ICDCSW)
By Jonathan Jao, Bo Sun, Kui Wu
Issue Date:July 2013
pp. 280-285
Wireless Sensor Networks (WSNs) have become the ideal candidate to provide effective and economically viable solutions for a large variety of applications ranging from health monitoring, scientific data collection, environmental monitoring to military oper...
 
Intelligent Illumination Model-Based Lighting Control
Found in: 2012 32nd International Conference on Distributed Computing Systems Workshops (ICDCS Workshops)
By Michael Fischer,Kui Wu,Pan Agathoklis
Issue Date:June 2012
pp. 245-249
Lighting in commercial office environments is a major factor in workplace comfort, productivity, and stress. Modern work environments strive to improve these conditions by better selection of luminaires (fixtures), wall, floor, and furniture colour and tex...
 
Transmission Rate Enhancement of Cooperative Communications in Wireless Networks
Found in: Distributed Computing Systems Workshops, International Conference on
By Xiaoyan Wang, Jie Li, Kui Wu
Issue Date:June 2011
pp. 345-349
Recently, the cooperative communication has been explored more and more as an impressing technique to combat the effects of channel fading and to reduce the energy consumption in wireless networks. However, the impact of cooperative communications on trans...
 
Performance of Acyclic Stochastic Networks with Network Coding
Found in: IEEE Transactions on Parallel and Distributed Systems
By Yuan Yuan, Kui Wu, Weijia Jia, Yuming Jiang
Issue Date:July 2011
pp. 1238-1245
Network coding allows a network node to code the information flows before forwarding them. While it has been theoretically proved that network coding can achieve maximum network throughput, the theoretical results usually do not consider the burstiness of ...
 
A Comparative Study of Mobile-Based Landmark Recognition Techniques
Found in: IEEE Intelligent Systems
By Kim-Hui Yap, Tao Chen, Zhen Li, Kui Wu
Issue Date:January 2010
pp. 48-57
<p>Mobile-based landmark recognition is becoming increasingly appealing due to the proliferation of mobile devices coupled with improving processing techniques, imaging capability, and networking infrastructure.</p>
 
Coverage and Detection of a Randomized Scheduling Algorithm in Wireless Sensor Networks
Found in: IEEE Transactions on Computers
By Yang Xiao, Hui Chen, Kui Wu, Bo Sun, Ying Zhang, Xinyu Sun, Chong Liu
Issue Date:April 2010
pp. 507-521
In wireless sensor networks, some sensor nodes are put in sleep mode while other sensor nodes are in active mode for sensing and communication tasks in order to reduce energy consumption and extend network lifetime. This approach is a special case (k=2) of...
 
A Survey on Mobile Landmark Recognition for Information Retrieval
Found in: Mobile Data Management, IEEE International Conference on
By Tao Chen, Kui Wu, Kim-Hui Yap, Zhen Li, Flora S. Tsai
Issue Date:May 2009
pp. 625-630
The growing usage of mobile devices has led to proliferation of many mobile applications. A growing trend in mobile applications is centered on mobile landmark recognition. It is a new mobile application that recognizes a captured landmark using the mobile...
 
Continuous K-Means Monitoring with Low Reporting Cost in Sensor Networks
Found in: IEEE Transactions on Knowledge and Data Engineering
By Ming Hua, Man Ki Lau, Jian Pei, Kui Wu
Issue Date:December 2009
pp. 1679-1691
In this paper, we study an interesting problem: continuously monitoring k-means clustering of sensor readings in a large sensor network. Given a set of sensors whose readings evolve over time, we want to maintain the k-means of the readings continuously. T...
 
Three Dimensional Intrusion Objects Detection under Randomized Scheduling Algorithm in Sensor Networks
Found in: Mobile Ad-hoc and Sensor Networks, International Conference on
By Yanping Zhang, Yang Xiao, Kui Wu, Xiaojiang Du, Bo Sun
Issue Date:December 2008
pp. 16-22
Wireless sensor networks are widely used for monitoring applications. The monitored area and the intrusion object are mostly three dimensional. In this paper, we are particularly interested in a sensor network used for monitoring a field to detect intrusio...
 
Intrusion Objects with Shapes under Randomized Scheduling Algorithm in Sensor Networks
Found in: Distributed Computing Systems Workshops, International Conference on
By Yang Xiao, Hui Chen, Yanping Zhang, Xiaojiang Du, Bo Sun, Kui Wu
Issue Date:June 2008
pp. 315-320
Wireless sensor networks have many applications. In this paper, we are particularly interested in a sensor network which is used for monitoring a field to detect intrusion objects such as enemy tanks, enemy cars, etc. Since sensor nodes have limited energy...
 
An Energy-Efficient Data Collection Framework for Wireless Sensor Networks by Exploiting Spatiotemporal Correlation
Found in: IEEE Transactions on Parallel and Distributed Systems
By Chong Liu, Kui Wu, Jian Pei
Issue Date:July 2007
pp. 1010-1023
<p><b>Abstract</b>—Limited energy supply is one of the major constraints in wireless sensor networks. A feasible strategy is to aggressively reduce the spatial sampling rate of sensors, that is, the density of the measure points in a fiel...
 
On Optimizing Backoff Counter Reservation and Classifying Stations for the IEEE 802.11 Distributed Wireless LANs
Found in: IEEE Transactions on Parallel and Distributed Systems
By Yang Xiao, Frank Haizhon Li, Kui Wu, Kin K. Leung, Qiang Ni
Issue Date:July 2006
pp. 713-722
<p><b>Abstract</b>—In this paper, we propose a novel contention-based protocol called backoff counter reservation and classifying stations (BCR-CS) for the IEEE 802.11 distributed coordination function (DCF). In the proposed scheme, each ...
 
Region-Based Image Retrieval using Radial Basis Function Network
Found in: Multimedia and Expo, IEEE International Conference on
By Kui Wu, Kim-hui Yap, Lap-pui Chau
Issue Date:July 2006
pp. 1777-1780
This paper presents a new framework that integrates relevance feedback into region-based image retrieval (RBIR) systems based on radial basis function network (RBFN). A modified unsupervised subtractive clustering algorithm is proposed for RBFN center sele...
 
Random Coverage with Guaranteed Connectivity: Joint Scheduling for Wireless Sensor Networks
Found in: IEEE Transactions on Parallel and Distributed Systems
By Chong Liu, Kui Wu, Yang Xiao, Bo Sun
Issue Date:June 2006
pp. 562-575
<p><b>Abstract</b>—Sensor scheduling plays a critical role for energy efficiency of wireless sensor networks. Traditional methods for sensor scheduling use either sensing coverage or network connectivity, but rarely both. In this paper, w...
 
Profile-Based Protocols in Wireless Mobile Ad Hoc Networks
Found in: Local Computer Networks, Annual IEEE Conference on
By Kui Wu, Janelle Harms, Ehab S. Elmallah
Issue Date:November 2001
pp. 568
Wireless Mobile Ad hoc NETworks (MANET) provide end-users with a flexible and heap way to access and ex- change information. While most research in MANETs is ori- ented to the general application environments, little work is done to utilize the specific ch...
 
Performance Study of a Multipath Routing Method for Wireless Mobile Ad Hoc Networks
Found in: Modeling, Analysis, and Simulation of Computer Systems, International Symposium on
By Kui Wu, Janelle Harms
Issue Date:August 2001
pp. 0099
Abstract: A Mobile Ad hoc NETwork (MANET) is a collection of wireless mobile computers forming a temporary network without any existing wire line infrastructure. Due to the dynamic nature of the network topology and the resource constraints, routing in MAN...
 
Symmetric property and reliability of balanced hypercube
Found in: IEEE Transactions on Computers
By Jinxin Zhou,Zhen-Lin Wu,Yang Shi-Chen,Yuan Kui-Wu
Issue Date:February 2014
pp. 1
Huang and Wu in [IEEE Trans. on Computers 46 (1997) 484–490] introduced the balanced hypercube BHn as an interconnection network topology for computing systems, and they proved that BHn is vertex-transitive. However, some other symmetric properties, say ed...
 
Symmetric Property and Reliability of Balanced Hypercube
Found in: IEEE Transactions on Computers
By Jin-Xin Zhou,Zhen-Lin Wu,Shi-Chen Yang,Kui-Wu Yuan
Issue Date:March 2013
pp. 1
Huang and Wu in [IEEE Trans. on Computers 46 (1997) 484--490] introduced the balanced hypercube BHn as an interconnection network topology for computing systems, and they proved that BHn is vertex-transitive. However, some other symmetric properties, say e...
 
VMThunder: Fast Provisioning of Large-Scale Virtual Machine Clusters
Found in: IEEE Transactions on Parallel and Distributed Systems
By Zhaoning Zhang,Ziyang Li,Kui Wu,Dongsheng Li,Huiba Li,Yuxing Peng,Xicheng Lu
Issue Date:May 2014
pp. 1
Infrastructure as a service (IaaS) allows users to rent resources from cloud to meet their various computing requirements. The pay-as-you-use model, however, poses a non-trivial technical challenge to the IaaS cloud service providers: how to fast provision...
   
Location Matters: Optimal Data Placement in Mobile Telecom Cloud
Found in: 2014 2nd IEEE International Conference on Mobile Cloud Computing, Services, and Engineering (MobileCloud)
By Seyed Yahya Vaezpour,Kui Wu,Gholamali C. Shoja
Issue Date:April 2014
pp. 176-185
Mobile Telecom Cloud (MTC) refers to cloud services provided by mobile telecommunication companies. Since mobile network operators support the last-mile Internet access to users, they have advantages over other cloud providers by providing users with bette...
 
Fast and quality-guaranteed data streaming in resource-constrained sensor networks
Found in: Proceedings of the 9th ACM international symposium on Mobile ad hoc networking and computing (MobiHoc '08)
By Emad Soroush, Jian Pei, Kui Wu
Issue Date:May 2008
pp. 1-2
In many emerging applications, data streams are monitored in a network environment. Due to limited communication bandwidth and other resource constraints, a critical and practical demand is to online compress data streams continuously with quality guarante...
     
Radio propagation patterns in wireless sensor networks: new experimental results
Found in: Proceeding of the 2006 international conference on Communications and mobile computing (IWCMC '06)
By Daniel Hoffman, Kui Wu, Tereus Scott
Issue Date:July 2006
pp. 857-862
Wireless sensors use low power radio transceivers due to the stringent constraints on battery capacity. As a result, radio transmission with wireless sensors is unreliable. Further, propagation patterns are irregular, causing some links to be asymmetric. A...
     
Mobility-based anomaly detection in cellular mobile networks
Found in: Proceedings of the 2004 ACM workshop on Wireless security (WiSe '04)
By Bo Sun, Fei Yu, Kui Wu, Victor C. M. Leung
Issue Date:October 2004
pp. 61-69
This paper presents an efficient on-line anomaly detection algorithm that can effectively identify a group of especially harmful internal attackers - masqueraders in cellular mobile networks. Our scheme is derived from a well-developed data compression tec...
     
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