a taxonomy for denial of service attacks in wireless sensor networks
báo cáo hóa học:" Bayesian filtering for indoor localization and tracking in wireless sensor networks" doc
... 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 ... article is that of a data fusioncenter in charge of tracking the position of the robot accounting for the measured ranges. Initialposition ambiguity was modeled with a Gaussian random variable ... 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...
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A Resilient Peer-to-Peer System for Denial of Service Protection
... type of denial of service planned, the attacker needs to find a large number of vulnerable machines to use for attacking. This can be done in a completely automated manner, semi-automatically, ... methods of causing a denial of service that attacker prefer to use:2.2.1 Attacking a Protocol:An ideal example of protocol attacks is a TCP SYN flood attack. A TCP session starts with negotiation ... research problem2.1 Definition of Dos attack [1] A denial- of- service attack is different in goal, form, and effect than most of the attacks that are launched at networks and computers. Most attackers...
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Báo cáo hóa học: " The Reflux Disease Questionnaire: a measure for assessment of treatment response in clinical trials" pdf
... Sweden with a mean age of 51.4 (13.5) years were enrolled at 35 sites.The baseline characteristics and clinical information for patients with data from both a baseline and subsequentvisit are provided ... evidence of the amenability to trans-lation. Analysis revealed that, regardless of language, allbut one of the alpha coefficients for the scales of heart-burn, regurgitation, dyspepsia and GERD ... moderate,and 3 = severe.Translation and cultural adaptationThe RDQ was translated into Norwegian and Swedishaccording to international principles [10]. The translatorsmet with members of the...
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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
... byhaving the paths determination using routing algorithmsand packets transportation implemented using a packetforwarding algorithm. In both fixed and wireless networks, the paths determination ... traveled as routing parameters. It is also based on a retransmission control mechanism to avoid intensive usage of the shortest path. Assuming sources transmitting datapackets at a constant rate, ... a many-to-one model with a number of sensor nodes scatteredinto a target observation area with objective of collecting androuting data to the end users via a single sink node alsocalled base...
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Báo cáo hóa học: " Hop-distance relationship analysis with quasi-UDG model for node localization in wireless sensor networks" pdf
... locationinformation of sensors also helps facilitate WSN opera-tion such a s routing to a geographic field of interests,measuring quality of coverage, and achieving traffic loadbalance. In ... Spatial information is crucial for sensor data to be interpreted meaningfully in many domainssuch as environmental monitoring, smart building fail-ure detection, and military target tracking. ... Chuan Heng Foh3*and Yanchao Niu1Abstract In wireless sensor networks (WSNs), location information plays an imp ortant role in many fundamental serviceswhich includes geographic routing, target...
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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 ... have opened the way for a multitude of research areas and the huge interest generatedby researchers activities calls for broad fields of applications in the near future.Sensors appear as miniaturized ... 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
... 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 ... 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 ... Communications Maga-zine, vol. 40, no. 8, pp. 102–105, 2002.[2] P. Bahl and V. N. Padmanabhan, “RADAR: an in- building RF-based user location and tracking system,” in Proceedings of the 19th Annual...
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Báo cáo hóa học: " Research Article An Energy-Efficient MAC Protocol in Wireless Sensor Networks: A Game Theoretic Approach" pptx
... load in terms of the number of nodes that are contending for the access medium. Anotherapproach is to consider total arrival packet rate to thenetworkasanoffered load. The main parameters for ... classified into twocategories: complete and incomplete information games. In the complete information game, each player has allthe knowledge about others’ characteristics, strategy spaces,payoff ... functions, and so forth, but all these information arenot necessarily available in incomplete information game[13].2.1. Incomplete Cooperative Game. As we mentioned earlier,energy efficiency of MAC...
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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 0 of LL pixel A 3 A 2 A 1 A 0 A 1 A 0New address of DWT 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 ... of DWT 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 ... decomposition. As a result,each coefficient in the coarser scale represents a larger spatialarea of the image but a narrower band of frequency [6].The two approaches that are used to perform the DWTare...
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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 & ... they offer mechanisms for authenticating both: broadcasting of a base station and source packets, as well as mechanisms providing key revocation and refreshing. Other advantages LEAP presents a...
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