a taxonomy for denialofservice attacks in wireless sensor networks
Báo cáo hóa học: " Hop-distance relationship analysis with quasi-UDG model for node localization in wireless sensor networks" pdf
... monitoring, medicine care, and transporta-tion control. Spatial information is crucial for sensor data to be interpreted meaningfully in many domainssuch as environmental monitoring, smart building ... model for node localization in wireless sensor networks Deyun Gao1, Ping Chen2, Chuan Heng Foh3*and Yanchao Niu1Abstract In wireless sensor networks (WSNs), location information plays an ... coverage, and achieving traffic loadbalance. In many monitoring applications, the sensor nodes must be aware its location to explain ‘what hap-pens and where’.While specialized localization...
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Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
... notations that are used to write algorithms in the remaining of the paper. Each sensor node i, includingthe base station, maintains the following variables.(i) Fatheri: the father of the sensor ... fact, after a node iscaptured, what can an attacker do? Since he has thekey shared with the base station, he may send wronginformation (lectures) to that base station. The lattermay have a ... constraints in computing capacity, storage, and energy, have to play anessential role in quasi all domains of human environment.They are primarily dedicated to collect data from physicalphenomena...
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Báo cáo hóa học: " Research Article A Novel Secure Localization Approach in Wireless Sensor Networks" pot
... attackers. For instance, the wormhole attack [7]isconductedbytwo colluding external attackers, and the false position anddistance dissemination attack [8] is accomplished by aninternal attacker. In ... d2n⎤⎥⎥⎥⎥⎥⎥⎥⎦.(2)3.3. Attack Model. In this paper, we consider an adversarialWSN where a pair of colluding attackers can launch a so-called distance-consistent spoofing attack .In[ 9], the attackercan only ... from infrastructure.Locations of normal sensor nodes are then estimated byinteracting with locators to obtain the distance or angleinformation. Once the location information of at least threenoncollinear...
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Báo cáo hóa học: " Research Article Modelling and Implementation of QoS in Wireless Sensor Networks: A Multiconstrained Traffic Engineering Model" pdf
... mechanism to avoid intensive usageof the shortest path. Assuming sources transmitting datapackets at a constant rate, [17] proposes a multipath routingscheme formulated as a linear programming ... byhaving the paths determination using routing algorithmsand packets transportation implemented using a packetforwarding algorithm. In both fixed and wireless networks, the paths determination ... to make roads safer, reducecongestion, help people find the nearest available parkingspace in an unfamiliar city, achieve routing assistance, orprovide early warnings on weather-related road...
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Báo cáo hóa học: " Research Article An Energy-Efficient MAC Protocol in Wireless Sensor Networks: A Game Theoretic Approach" pptx
... collision and less idle wait-ing time in backoff procedure. In “Incomplete Game”, accessdelay performance is far better than “NM”, and comparablewith “IBM”, as it can easily adapt the variable game ... Pswhenthey are transmitting a data packet successfully, Pfand PfEURASIP Journal on Wireless Communications and Networking 7Table 4: Simulation parameters.Parameters ValuesCWmin16ACK packet ... classified into twocategories: complete and incomplete information games. In the complete information game, each player has allthe knowledge about others’ characteristics, strategy spaces,payoff...
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báo cáo hóa học:" Bayesian filtering for indoor localization and tracking in wireless sensor networks" doc
... probabilistic data associ-ation. Automatica 11, 451–460 (1975)[13] Y Bar-Shalom, TE Fortmann, Tracking and Data Association (Academic Press, Orlando,1988)[14] DB Reid, An algorithm for tracking ... Polit`ecnica de Catalunya (UPC), Barcelona, Spain2Department of Geomatics Engineering, University of Calgary in Calgary,Alberta, Canada3Centre Tecnol`ogic de Telecomunicacions de Catalunya (CTTC),Parc ... multipath effect (bias) and LOS/NLOSBayesian filtering for indoor localization andtracking in wireless sensor networks Anup Dhital1,2, Pau Closas∗3and Carles Fern´andez-Prades31Universitat...
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báo cáo hóa học:" Research Article Very Low-Memory Wavelet Compression Architecture Using Strip-Based Processing for Implementation in Wireless Sensor Networks" potx
... pixel A 4 A 3 A 2 A 1 A 0Initial address A 10 A 9 A 8 A 7 A 6 A 5 A 4 A 8 A 7 A 6 A 5 A 4 A 3 A 2 A 6 A 5 A 4 A 3 A 2 A 1 A 0of LL pixel A 3 A 2 A 1 A 0 A 1 A 0New address ofDWT A 9 A 0 A 12 A 11 A 8 A 7 A 6 A 8 A 0 A 10 A 7 A 6 A 5 A 4 A 7 A 0 A 6 A 5 A 4 A 3 A 2 A 6 A 0 A 5 A 4 A 3 A 2 A 1coefficients ... ofDWT A 9 A 0 A 12 A 11 A 8 A 7 A 6 A 8 A 0 A 10 A 7 A 6 A 5 A 4 A 7 A 0 A 6 A 5 A 4 A 3 A 2 A 6 A 0 A 5 A 4 A 3 A 2 A 1coefficients in STRIPBUFFER A 5 A 4 A 3 A 2 A 10 A 1 A 3 A 2 A 9 A 1 A 8 A 1 (A 12∗1024 ) + ( A 11∗512 ) + ( A 10∗2) ... carried out in parallel for all bit-planes as shown in Figure 12. The SIGinformation is obtained directly from the STRIPBUFFERwhereas the DESC and GDESC information for a coefficientis obtained...
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SECURITY IN WIRELESS SENSOR NETWORKS – IMPROVING THE LEAP PROTOCOL pptx
... networks or acts as a data storage processing data in a powerful way [3]. It even acts as an access point to human interface for human interaction, and is capable of broadcasting control data in the ... keys and WSNSubversion of a nodePassive information gatheringSybil attacks Sinkhole attacks wormhole attacks False node and malicious dataInternational Journal of Computer Science & ... node may use to protect its data allowing only authenticated neighboring nodes to obtain and decrypt this data. All in all, it can be stated that LEAP protocols are very advantageous in that they...
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Event-to-Sink Reliable Transport in Wireless Sensor Networks docx
... operation in PSFQ simply performs con-trolled flooding and requires each intermediate node to createand maintain a data cache to be used for local loss recoveryand in- sequence data delivery. Although ... Ramanathan, and A. Sayeed, “Distributed target classifi-cation and tracking in sensor networks, ” Proc. IEEE, vol. 91, no. 8, pp.1163–1171, Aug. 2003.[2] C. Intanagonwiwat, R. Govindan, and ... Wan, A. T. Campbell, and L. Krishnamurthy, “PSFQ: a reliabletransport protocol for wireless sensor networks, ” in Proc. ACM WSNA,Atlanta, GA, Sep. 2002, pp. 1–11.[13] J. Zhao and R. Govindan,...
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Báo cáo sinh học: " Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks-- optimal and suboptimal estimators" pot
... Beijing 100191, ChinaEmail: Xin Wang∗- athody@vip.sina.com; Chenyang Yang - cyyangbuaa@vip.sina.com;∗Corresponding authorAbstractWe study optimal and suboptimal decentralized estimators in ... orthogonal multiple-access fading channels in wireless sensor networks optimal and suboptimal estimatorsXin Wang∗ 1and Chenyang Yang11School of Electronics and Information Engineering, Beihang ... the channel estimates in an optimal way. Under the energy constraint,only a few symbols are beneficial for training channels, while more training symbols will lead to performancedegradation....
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báo cáo hóa học:" Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks-- optimal and suboptimal estimators" ppt
... collect information, for example, measuring physical parameters such as temperature and humidity. Since the sensors are usuallypowered by batteries and have very limited processing and communication ... we regard theMMSE estimator as an unbiased estimate in our suboptimal algorithm and evaluate th e resulting performanceloss via si mulations later.The variance of the M M S E estimate can be ... http://en.wikipedia.org/wiki/Meanvalue theorem31. X Wang, C Yang, Optimal transmission codebook design in fading channels for decentralized estima-tion in wireless sensor networks. in IEEE International Conference on Acoustics,...
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Báo cáo sinh học: " Research Article Linear High-Order Distributed Average Consensus Algorithm in Wireless Sensor Networks Gang Xiong and Shalinee Kishore" doc
... nodes in a network agreement on a common measurement, known at any one node as the localstate information. As such, it has many relevant applications in wireless sensor networks [1, 2], for example, ... by averaging pair-wise local state information atnetworknodes .In[ 1], Olfati-Saber et al. established a theoretical framework for the analysis of consensus-basedalgorithms. In this paper, we ... moving-object acquisition and tracking, habitat monitoring, recon-naissance, and surveillance. In the DAC approach, averageconsensus can be sufficiently reached within a connectednetwork by averaging...
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Báo cáo hóa học: "Research Article Low-Complexity One-Dimensional Edge Detection in Wireless Sensor Networks" ppt
... Journal on Wireless Communications and Networking for increasing variability of the communication link quality(i.e., for increasing values of ηc) the performance rapidlydegrades. For low values ... is of interest to detect any gas leakage. To this purpose,one may place a linear sensor network surrounding thisarea: in the example in Figure 1 (a) there are six sensors. (In the remainder ... mon-itorning using random sensor networks, ” in Proceedings ofthe 2nd International Workshop on Information Processing in Sensor Networks, pp. 582–592, Palo Alto, Calif, USA, April2003.[3] R. Viswanathan...
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