Ngày tải lên: 22/06/2014, 22:20
... multipath routing in wireless sensor networks, ” ACM Wireless Networks, vol. 14, no. 4, pp. 465–478, 2008. [22] A. B. Bagula and K. G. Mazandu, “Energy constrained multipath routing in wireless sensor networks, ” ... subset N 0 ⊆ N[ı]ofneighborsofı satisfying QoS requirement of data source and minimizing the total energy transmission by including in its set of constraints a geo-spatial constraint expressed by F ( ı, j ) ≤ ... addresses the issue of multi-constrained QoS in wireless sensor networks by mapping a path-based model into a probabilistic routing scheme. Using the work done in [21]asbenchmark,weproposedin[22] the Energy...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Research Article Energy-Efficient Transmission of Wavelet-Based Images in Wireless Sensor Networks" pdf
Ngày tải lên: 22/06/2014, 22:20
Báo cáo hóa học: " A Survey of Application Distribution in Wireless Sensor Networks" ppt
Ngày tải lên: 23/06/2014, 00:20
SECURITY IN WIRELESS SENSOR NETWORKS – IMPROVING THE LEAP PROTOCOL pptx
... WSN Subversion of a node Passive information gathering Sybil attacks Sinkhole attacks wormhole attacks False node and malicious data International Journal of Computer Science & Engineering Survey ... depending on the type of application the sensors are used for or where it is situated. The types of topologies used for sensor networks include star, mesh, star-mesh etc. [2] In Wireless sensor ... routing beacons or reprogramming of the complete network. Given that sensor networks usually compose of nodes that are not physically protected in certain environments, these networks contain...
Ngày tải lên: 05/03/2014, 23:20
Event-to-Sink Reliable Transport in Wireless Sensor Networks docx
... PROBLEM IN WSN In the preceding discussions, we introduced the notion of event-to-sink reliability in WSN and pointed out the inapplica- bility of existing transport solutions. Before proceeding ... Ken Byers Distinguished Chair Professor of the School of Electrical and Computer Engineering, and Director of the Broadband and Wireless Networking Laboratory, Georgia Institute of Technology, ... Atlanta. His current research interests are in sensor networks and next-generation wireless networks. He is the Editor -in- Chief of Computer Networks (Elsevier) and of Ad Hoc Networks Journal (Elsevier). Dr....
Ngày tải lên: 16/03/2014, 19:20
Báo cáo sinh học: " Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks-- optimal and suboptimal estimators" pot
... fading channels in wireless sensor networks optimal and suboptimal estimators Xin Wang ∗ 1 and Chenyang Yang 1 1 School of Electronics and Information Engineering, Beihang University, Beijing ... designed in [10–12]. The optimal trade-off between the number of active sensors and the quantization bit rate of each sensor is investigated u nd e r total energy constraint in [13]. In binary 2 symmetrical ... Furthermore, since the estimation quality of the first stage is available, we use BLUE to obtain ˆ θ for exploiting the quality information instead of using the MLE in the M-step as in the standard...
Ngày tải lên: 18/06/2014, 22:20
báo cáo hóa học:" Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks-- optimal and suboptimal estimators" ppt
... exhaustive searching, the overall complexity of the MLE is O(M 2 N 2 ). 18 1 Introduction Wireless sensor networks (WSNs) consist of a number of sensors deployed in a field to collect information, for ... designed in [10–12]. The optimal trade-off between the number of active sensors and the quantization bit rate of each sensor is investigated u nd e r total energy constraint in [13]. In binary 2 During ... Furthermore, since the estimation quality of the first stage is available, we use BLUE to obtain ˆ θ for exploiting the quality information instead of using the MLE in the M-step as in the standard...
Ngày tải lên: 20/06/2014, 04:20
Báo cáo hóa học: " Hop-distance relationship analysis with quasi-UDG model for node localization in wireless sensor networks" pdf
... details 1 School of Electronics and Information Engineering, Beijing Jiaotong University, Beijing 100044, PR China 2 TEDA College, Nankai University, Tianjin 300457, PR China 3 School of Computer Engineering, ... Washington, 1279–1284 (November 2007) 23. D Ma, MJ Er, B Wang, HB Lim, K-hop statistics in wireless sensor networks, in Proc International Conference on Intelligent Sensors, Sensor Networks and Information ... Yanchao Niu 1 Abstract In wireless sensor networks (WSNs), location information plays an imp ortant role in many fundamental services which includes geographic routing, target tracking, location-based...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
... algorithms in the remaining of the paper. Each sensor node i, including the base station, maintains the following variables. (i) Father i : the father of the sensor in the final spanning tree. The base ... Cuti, C. Gardiner, C. Lynn, and P. Kruus, “TinyPK: securing sensor networks with public key technology,” in Proceedings of the 2004 ACM Workshop on Security of Ad Hoc and Sensor Networks (SASN ... manage- ment in wireless sensor networks by leveraging initial trust,” SDL Technical Report SRI-SDL-04-02, 2004. EURASIP Journal on Wireless Communications and Networking 3 Key management in WSNs Using...
Ngày tải lên: 21/06/2014, 11:20
Báo cáo hóa học: " Research Article A Novel Secure Localization Approach in Wireless Sensor Networks" pot
... 2005. [9] D. Liu, P. Ning, and W. K. Du, Attack- resistant location estimation in sensor networks, ” in Proceedings of the 4th International Symposium on Information Processing in Sensor Networks (IPSN ... statistical methods for securing wireless localization in sensor networks, ” in Proceedings of the 4th International Symposium on Informa- tion Processing in Sensor Networks (IPSN ’05), pp. 91–98, ... 2000. [3]A.Savvides,C.C.Han,andM.B.Strivastava,“Dynamic fine-grained localization in ad-hoc networks of sensors,” in Proceedings of the 7th Annual International Conference on Mobile Computing and Networking (INFOCOM ’00), pp. 166– 179,...
Ngày tải lên: 21/06/2014, 11:20
Báo cáo sinh học: " Research Article Linear High-Order Distributed Average Consensus Algorithm in Wireless Sensor Networks Gang Xiong and Shalinee Kishore" doc
... the diversity gain. In the future, we intend to investigate the effects of fading, link failure, and other practical condi- tions when utilizing the DAC algorithm in wireless sensor networks. References [1] ... “A scheme for robust distributed sensor fusion based on average consensus,” in Proceedings of the 4th International Symposium on Information Processing in Sensor Networks (IPSN ’05), pp. 63–70, ... improve the convergence rate of DAC algorithms in wireless sensor networks. The author of [3] demonstrates that the conver- gence rate of DAC can be increased by using the “small- world” phenomenon....
Ngày tải lên: 21/06/2014, 16:20
Báo cáo hóa học: "Research Article Low-Complexity One-Dimensional Edge Detection in Wireless Sensor Networks" ppt
... “Distributed environmental mon- itorning using random sensor networks, ” in Proceedings of the 2nd International Workshop on Information Processing in Sensor Networks, pp. 582–592, Palo Alto, Calif, ... surrounding this area: in the example in Figure 1(a) there are six sensors. (In the remainder of this paper, by sensor we will denote the wireless transceiver which includes the sensing element. However, ... U. Mitra, “Boundary estimation in sensor networks: theory and methods,” in Proceedings of the 2nd International Workshop on Information Processing in Sensor Networks, pp. 80–95, Palo Alto, Calif,...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Research Article Distributed KDC-Based Random Pairwise Key Establishment in Wireless Sensor Networks" pptx
... scheme for wireless sensor networks using deployment knowledge,” in Proceedings of the 23rd Annual Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume ... only in charge of disseminating initial keys to its neighboring ordinary nodes and replies those request messages which are consistent with what its two neighboring ordinary nodes claim. In other ... F. Mueller, and M. Sichitiu, “Analyzing and modeling encryption overhead for sensor network nodes,” in Proceedings of the 2nd ACM International Workshop on Wireless Sensor Networks and Applications (WSNA...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Research Article Adaptive Power Allocation in Wireless Sensor Networks with Spatially Correlated Data and Analog Modulation: Perfect and Imperfect CSI Muhammad Hafeez Chaudhary and Luc Vandendorpe" pptx
... analog forwarding transmission in an inhomoge- neous gaussian sensor network,” in Proceedings of the 6th IEEE Workshop on Signal Processing Advances in Wireless 14 EURASIP Journal on Wireless Communications ... position of sensor i with respect to the origin in the XY-plane. Note that we can view these examples as specific realizations of the deployment of the sensors. Assuming the source at the origin and ... performance gain compared to a uniform power allocation scheme. 1. Introduction Wireless sensor networking is an emerging technology which finds application in many fields including environment and...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Research Article An Energy-Efficient MAC Protocol in Wireless Sensor Networks: A Game Theoretic Approach" pptx
... “Distributed power control in sensor networks: a game theoretic approach,” in Proceedings of the 6th International Workshop Distributed Computing (IWDC ’04), vol. 3326 of Lecture Notes in Computer Science, ... theory in wireless sensor networks, ” in Pro- ceedings of the IEEE Wireless Communications and Networking Conference (WCNC ’08), pp. 1483–1488, April 2008. [11] L. Zhao, J. Zhang, and H. Zhang, “Using ... contention window (i.e., properly estimating the number of competing nodes) as tuning parameter for adjusting transmission probability of a node. 2.2. Estimation of Compet ing Nodes. In the proposed...
Ngày tải lên: 21/06/2014, 17:20
báo cáo hóa học:" Bayesian filtering for indoor localization and tracking in wireless sensor networks" doc
... by a set of UWB sensors located in an of ce environment with known locations. The problem tackled in this article is that of a data fusion center in charge of tracking the position of the robot ... theoretical point of view, all necessary information to infer information of the unknown states resides in the posterior distribution. Bayesian filtering involves the recursive estimation of states ... within Bayesian filtering, which is outlined in Section 3, along with some popular filtering algorithms. 2.1. Testing for normality of UWB-based distance measurements Before delving into the use of...
Ngày tải lên: 21/06/2014, 17:20
báo cáo hóa học:" Research Article Very Low-Memory Wavelet Compression Architecture Using Strip-Based Processing for Implementation in Wireless Sensor Networks" potx
... Set-Partitioning in Hierarchical Trees In SPIHT coding, three sets of coordinates are encoded [5]: Type H set which holds the set of coordinates of all SOT roots, Type A set which holds the set of coordinates ... offsprings of node (i, j) be referred to as “ABCD.” Here, a total of 15 possible combinations of ABCD can be obtained as shown in Tab l e 3. The percentage of occurrence of possible outcomes of ... Architecture Using Strip-Based Processing for Implementation in Wireless Sensor Networks Li Wern Chew, Wai Chong Chia, Li-minn Ang, and Kah Phooi Seng Department of Electrical and Electronic Engineering,...
Ngày tải lên: 21/06/2014, 20:20
báo cáo hóa học:" Research Article An Energy-Efficient Target Tracking Framework in Wireless Sensor Networks" pot
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " Bayesian filtering for indoor localization and tracking in wireless sensor networks" docx
Ngày tải lên: 21/06/2014, 23:20