denial of service attacks in wireless sensor networks

... taken in sensor information and networking architecture (SINA) [24], in TinyDB [65]ontop of TinyOS, and in Cougar [66]. In SINA, database queries are injected to network as sensor querying and ... migration as binary code is possible in BetrhaOS and in MultimodAI NeTworks of In-situ Sensors (MANTIS) OS (MOS) [25]. BerthaOS allows the in-network initiation of transfers and checks the code integrity ... to- wards the service provider based on group advertisements. A Bluetooth terminal maintains information about its services in an SDP server. Searching and querying for existing services are performed

Ngày tải lên: 23/06/2014, 00:20

... efficiency in Wireless Sensor Networks WSN) Although the simulation results confirmed that MOD-LEACH outperforms LEACH in finding the number of remaining member nodes in the cluster, the number of packets ... via a wireless medium and collaborate to perform a certain taks [3] Figure 2 Basic components of a sensor node The architecture of a sensor node in Figure 2 consists of 3 main parts: 1 Sensing ... organize themselves into clusters to reduce energy consumption 2 Classification of routing protocols in WSN Routing protocols in wireless sensor networks (WSNs) are a set of rules, algorithms,

Ngày tải lên: 13/10/2023, 19:28

... Fang, Multiconstrained QoS multipath routing in wireless sensor networks,” ACM Wireless Networks, vol... of the 2nd ACM International Workshop on Wireless Sensor Networks and ... Multi-Path routing (MCMP) 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] ... allowing high energy savings in wireless sensor networks, their deployment in multi-path settings is irrelevant in order to avoid the routing instability which might result from some packets of

Ngày tải lên: 21/06/2014, 17:20

... Distributed Varying Scale Wireless Sensor Networks under Tolerable Jamming Attacks Jinping Mou School of Mathematics and Information Engineering, Taizhou University, Linhai 317000, China Correspondence ... condition of system achieving the global consensus Related Work In fact, networks often encounter with some attacks, such as jamming attacks, tampering attacks, and exhaustion attacks Under some attacks, ... Z An, and Y Xu, “Time synchronization in wireless sensor networks using max and average consensus protocol,” International Journal of Distributed Sensor Networks, vol 2013, Article ID 192128,

Ngày tải lên: 02/11/2022, 08:57

... position estimation in wireless sensor networks,” in Proceedings of the 4th International Symposium on Information Processing in Sensor Networks (IPSN ’05), pp 324–331, April 2005 A Srinivasan, J Teitelbaum, ... statistical methods for securing wireless localization in sensor networks,” in Proceedings of the 4th International Symposium on Information Processing in Sensor Networks (IPSN ’05), pp 91–98, ... 2005 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

Ngày tải lên: 21/06/2014, 11:20

... 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 ... reproduction in any medium, provided the original work is properly cited In various wireless sensor network applications, it is of interest to monitor the perimeter of an area of interest For ... been investigated in scenarios with (i) a common binary phenomenon under Trang 2observation and (ii) bandwidth constraints [10] In [11,12],the authors examine the problem of determining edges of

Ngày tải lên: 21/06/2014, 17:20

... and information processing (CSIP) in wireless sensor networks Target tracking is one of the key motivating applications of wireless sensor networks [4 8] Passive acoustic sensor is often used in ... Tracking Framework in Wireless Sensor Networks Zhijun Yu, Jianming Wei, and Haitao Liu Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, No 865, Changning ... computing and processing methods for target tracking in wireless sensor networks The rest of this paper is organized as follows First, we briefly describe the acoustic target tracking problem in wireless

Ngày tải lên: 21/06/2014, 20:20

... Research Article Detecting Pulsing Denial-of-Service Attacks with Nondeterministic Attack Intervals Xiapu Luo, Edmond W W Chan, and Rocky K C Chang Department of Computing, The Hong Kong Polytechnic ... portion of the bottleneck link capacity, the incoming TCP data traffic adapts to the remaining bandwidth without significant fluctuations 5.5.2 The DTW Method Besides filtering noise in the incoming ... PDoS attacks on the receiver side [3] The detection is based on the presence of two traffic anomalies induced by the attacks: periodic fluctuations in the incoming TCP data traffic and a decline in

Ngày tải lên: 21/06/2014, 22:20

... continuous data dissemination in wireless sensor networks,” in Proceedings of the 1st International Conference on Intelligent Sensors, Sensor Networks and Information... Work In this ... reach the sink with minimal routing overhead. 3. Modes of Operation for Updating Status Information We propose various modes of operation for updating status information of the sensor nodes in the ... Control centre Sensor node Sensor field Mobile sink (gateway) Event area Figure 1: Wireless Sensor Networks. problems of multihop wireless sensor networks, the design of a routing protocol, which

Ngày tải lên: 21/06/2014, 23:20

...  θ, θi . (8) We are interested in finding the minimizers ofH Interestingly, the functionH can be rewritten using the notion of Voronoi partition The Voronoi partition of S1 generated by θ1, ... of choosing the right next hop is lower Thus routing is more efficient in scenarios where the average number of nodes sharing the same coordinates is lower Routing over coordinates obtained using ... types of topologies, at different scales and node densities For instance, we confirm the results obtained in JumPS [16], showing that increasing the number of landmarks increases the accuracy of

Ngày tải lên: 22/06/2014, 00:20

... dominating set of G. Since CDS + is a CDS of SET + ,allnodesinSET + are domi- nated by CDS + . Also, since all nodes in V −SET + are covered by COV, SET 0 = COV ∪CDS + is a dominating set of ... routing in wireless ad hoc networks—part I: energy model,” in Proceedings of... must exist another dominator node u in N(v) to connect the original dominating set, a spanning tree rooted ... hoc networks,” in Proceedings of the 21st Annual Joint Conference of the... D G D E I C F A E I C H H (g) (h) Figure 9: Finding a BACDS in the network in Figure 6(a) (a) SET+ and SET− in

Ngày tải lên: 22/06/2014, 19:20

... “Optimizing data replication for expanding ring-based queries in wireless sensor networks,” in Proceedings of the 4th International Symposium on Model- ing and Optimization in Mobile, Ad Hoc, and Wireless ... main- tain copies of data objects of interest using replication, which can help to reduce the average length of the routing path. Literature [7] discussed data dissemination in a scenario of ... [8] considered the problem of optimizing the number of replicas for event information in wireless sen- sor networks, when queries are disseminated using expand- ing rings. The authors also derived

Ngày tải lên: 22/06/2014, 19:20

... i s of interest in applications where the steady state value of synchronization is used in or- der to infer the status of the process monitored by the sensor [8, 9, 20]. Proof. The proof of part ... interesting remark is that reciprocity of fading plays here a key role as it did in the proof of Theorem 1 for the case of fixed topology. Reciprocity of fading translates into bidirectionality of ... properties of the associated graph, as proved in Theorem 1. 3.4. Effect of fading: an example In this section, the effect of fading on the rate of conver- gence v is investigated via simulation for linear,

Ngày tải lên: 22/06/2014, 19:20

... are inherent in any technology Some of the wireless risks are similar to those of wired networks, some are exacerbated, and some are new The most significant source of risks in wireless networks ... producers of Wi-Fi suggest using WPA in preshared key only in the home of the SOHO environment or in environments where there is a low proba-bility of attempting attacks on security [8,9] During 2002, ... EAP-TLS and PEAP) The third type consisted of spoofing of 4 types of EAP protocol messages So in this case the possibility of hacking referred to (i) flooding associate requests or EAOPL-start packets

Ngày tải lên: 22/06/2014, 22:20

... ending points of MA’s data gathering RoundIdx is the index of current round The value is initially set to 1 by the sink in the first round, and will be incremented by the FirstSrc in the following ... kinds of codes in a sensor node’s limited memory In order to solve this problem, the sink node can dispatch an MA carrying a specific image segmentation code to the sensors of interest Carrying ... dissemination protocol Trang 3for sensor networks It provides the following mechanisms:(a) for a sink node to flood a query toward the sensors of interest (say, sensors detecting event), (b) for intermediate

Ngày tải lên: 22/06/2014, 23:20

... Collection System for use in Wireless Sensor Networks. Major Professor: Yao Liang. One of the most common goals of a wireless sensor network is to collect sensor data. The goal of this thesis is to ... for use in Wireless Sensor Networks Master of Science Newlyn S. Erratt 11/1/2012 A COMPRESSED DATA COLLECTION SYSTEM FOR USE IN WIRELESS SENSOR NETWORKS A Thesis Submitted to the Faculty of Purdue ... deploying data collection sensor networks. There are numerous challenges asso- ciated with deploying a wireless sensor network for collection of sensor data; among these challenges are reducing

Ngày tải lên: 24/08/2014, 12:25

... 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 ... Heinzelman, W. B. (n.d.). Wireless sensor network protocols. Department of Electrical and Computer Engineering University of Rochester, International Journal of Computer Science & Engineering...

Ngày tải lên: 05/03/2014, 23:20

... 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

... 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