key management in wireless sensor networks

... Symmetric Key Distributionin Wireless Sensor Networks Kealan McCusker, Member, IEEE, and Noel E O’Connor, Member, IEEE Abstract—In this work, a scheme for key distribution and network access in a Wireless ... ring of keys in which there may be a shared key During the shared key discovery phase of the algorithm, neighboring nodes ascertain whether they share a key If there is no path between nodes in radio ... designing an accelerator for minimizing the energy of the pairing The remainder of the paper is organized as follows: the Tate pairing, a key component of IBC, and methods for calculating it,

Ngày tải lên: 02/11/2022, 14:36

... topologies used for sensor networks include star, mesh, star-mesh etc [2] In Wireless sensor networks there are two kinds of wireless nodes; sensor and base station nodes The main function of the ... "Cryptography and Security in Wireless Sensor Networks," FRONTS 2nd Winterschool Braunschweig, Germany, 2009 [26] Chris Karlof David Wagner In Secure Routing in Wireless Sensor Networks: Attacks and ... session key, and continue International Journal of Computer Science & Engineering Survey (IJCSES) Vol.3, No.3, June 2012 to use its old key In doing so, the base station will not be involved in the

Ngày tải lên: 05/03/2014, 23:20

... of the chaining head In addition, each receiving node gathers the information Finally, the chaining head transmits the information to the base station In recent years, wireless sensor networks ... Recently, wireless sensor networks have been used extensively in different domains For example, if the wireless sensor node of a wireless sensor network is distributed in an insecure area, a secret key ... network is linked as a chain In each round, a node in the chaining structure is chosen as the chaining head Both ends of the chain then start transmitting data to adjacent nodes in the direction

Ngày tải lên: 21/06/2014, 23:20

... L,D-Sink, andI L,J-Sink, and then add their link costs to ASink to form C B-Sink,C D-Sink, and C J-Sink, respectively Nodes B, D, and J store these information in their routing tables, as shown inTable ... However, due to inherent Trang 2Control centre Sensor node Sensor field Mobile sink (gateway) Event area Figure 1: Wireless Sensor Networks problems of multihop wireless sensor networks, the design ... situations In addition to sending the information to the sink, sensor nodes also perform complex computations for decision making within the network, either individually or in local 3000 instructions

Ngày tải lên: 21/06/2014, 23:20

... θN at a point ofS1, that is, Hθ1, , θN θ ∈S1 min i ∈{1, ,N }distg  θ, θi . (8) We are interested in finding the minimizers ofH Interestingly, the functionH can be rewritten using the notion ... and node densities For instance, we confirm the results obtained in JumPS [16], showing that increasing the number of landmarks increases the accuracy of the underlying coordinate system However, ... placement in virtual positioning systems The remainder of this paper is organized as follows In Section 3, we describe existing hop-count positioning systems for sensor networks in more detail.Section

Ngày tải lên: 22/06/2014, 00:20

... following theorem regarding its NP-hardness Theorem 3 Finding a minimum COV in an UDG is NP-hard. Proof To see this, we use the fact that it is NP-hard to find a minimum dominating set in an ... nodes in G have the sameζ values In this case, finding an MBACDS in G is equiv-alent to finding an MCDS inG Since the MCDS problem is NP-hard, the MBACDS problem is also NP-hard Now since the ... and maintain such a recovery table in sensor memory Thus, we can reduce the computational complexity by maintaining a recovery table on a sensor node with a fea-sible table size In summary, in this

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 ... “Minimum-energy asynchronous dissemination to mobile sinks in wireless sensor networks,” in Proceedings of the 1st International Confer-ence on Embedded Networked Sensor Systems (SenSys ’03), pp. ... minimal-hop path to each sink node in a short time interval We will explain the details about how to con-struct the routing tree with maximal path sharing in the fol-lowing part 4.2 Path-sharing

Ngày tải lên: 22/06/2014, 19:20

... signal on a interval of durationT k around the current timing instant t k(n) Due to the half duplex con-straint and the finite switching time between transmitting and receiving mode, each sensor ... AT1=1 and vector v in (16) reads v = 1/K ·1 This condition occurs in balanced networks [13], where i / = j α i j = 1 = i / = j α ji In sensor networks, this result is of interest in applications ... rectangular topology inFigure 2 ( =0.3, 0.7, γ =3,K =4) (a) Linear networks 1 2 3 4 5 (b) Ring net-work 3 4 5 (c) Star net-works Figure 5: The linear, ring, and star networks (K =5) three networks versus

Ngày tải lên: 22/06/2014, 19:20

... be incorporated in a real wireless vision sensor network REFERENCES [1] M Rahimi, R Baer, O I Iroezi, et al., “Cyclops: in situ im-age sensing and interpretation in wireless sensor networks,” in ... consumed energy by transmitting reliably the whole image (16 394 bytes, includ-ing the 10-byte image header) without applyinclud-ing DWT In the following, we call that the original scenario The average ... compression for sensor networks using correspondence anal-ysis and super-resolution,” in Proceedings of International Con-ference on Image Processing (ICIP ’03), vol 1, pp 597–600, Barcelona, Spain, September

Ngày tải lên: 22/06/2014, 22:20

... Transmitting the whole pictures taken by individual sensors to a sink node may be overwhelming for the wireless link, or even unnecessary in the case that the sink node needs only the region of interest ... tasks in distributed sensor networks The motivations for using MAs in distributed sensor networks have been ex-tensively studied in [1] As mentioned inSection 1, this paper will adopt DD for routing ... 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

... taken in sensor information and networking architecture (SINA) [24], in TinyDB [65] on top of TinyOS, and in Cougar [66] In SINA, database queries are injected to network as sensor querying and ... main task of the application is the con-stant gathering of location-dependent information within a defined area In addition to the passive monitoring involved in the environmental monitoring ... space also for information sharing and for sending notifications to callbacks routines The task migration as binary code is possible in BetrhaOS and in MultimodAI NeTworks of In-situ Sensors (MANTIS)

Ngày tải lên: 23/06/2014, 00:20

... data collection 2.1 Wireless Sensor Network BackgroundWireless sensor networks (WSNs) are increasingly important for enabling con-tinuous monitoring in many fields including environment sciences, ... sink only needs to maintain one simplestpredictor for thousands of sensors in the sensornet Otherwise, if individual sensorsused their best predictors, the sink would have to potentially maintain ... researchers who are interested in deploying a WSN to collect specific data have little to no experience in programming Theprimary goal of this work is to determine if a data gathering wireless sensor networkcan

Ngày tải lên: 24/08/2014, 12:25

... contained in these messages to derive established keys Perrig et al propose in [11] SPINS, a key management protocol that relies on a trusted base station to distribute keys SPINS contains two ... “Lightweight key management in wireless sensor networks by leveraging initial trust,” SDL Technical Report SRI-SDL-04-02, 2004 10 EURASIP Journal on Wireless Communications and Networking [11] A ... Journal on Wireless Communications and Networking No key predistribution [6] Master key based pre-distribution [9, 10] Key management in WSNs Using asymmetric cryptography [4, 5] Using symmetric...

Ngày tải lên: 21/06/2014, 11:20

... for sensor networks, ” Wireless Networks, vol 8, no 5, pp 521–534, 2002 [22] X Zhang, J He, and Q Wei, “An energy-efficient dynamic key management scheme in wireless sensor networks, ” in Proceedings ... Wang, and P Ning, “An efficient scheme for authenticating public keys in sensor networks, ” in Proceedings of the 6th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MOBIHOC ... resource-constrained wireless sensor networks Conclusions In this paper, we proposed an energy-efficient distributed deterministic key management scheme (EDDK) in which pairwise keys and local cluster keys...

Ngày tải lên: 21/06/2014, 11:20

... Generating Key Pool The initial key pool consists of L key groups and each key group consists of M initial keys Hence, the initial key pool contains P = L ∗ M initial keys, where L and M are ... ordinary nodes require storing fewer root keys Figure shows how the size of key group in uences the number of root keys stored in an ordinary node when different initial keys are preloaded in ... worker sensors Service sensors are used to disseminate keying information to the work sensors in the vicinity after network deployment One benefit of these schemes is that all the work sensors...

Ngày tải lên: 21/06/2014, 17:20

... are introduced In contrast to the static sensor networks, nodes in mobile sensor networks are capable 20 of moving in the sensing filed Such networks are able to self-deploy themselves starting ... advances in technologies, networked tiny sensors will soon be integrating into people’s everyday activities and transforming the way people understand and manage the environment In fact, wireless sensor ... for minimum overlap in coverage positions for coverage It defines the notion of the crossing points as the intersection points of the sensing circles of two nodes To cover one crossing point of...

Ngày tải lên: 14/09/2015, 14:05

... wireless sensor networks 1.1 Resource Management in Wireless Sensor Networks Wireless Sensor Networks (WSNs) consist of large numbers of low-power nodes, each with sensing, processing and wireless communication ... the round robin sensor selection scheme, where instead of choosing the next sensor to maximise information gain, a fixed sequence of sensors was used, resulting in small information gain and small ... tracking in wireless sensor networks was addressed using standard estimation theory, by considering the sensor models, associated uncertainties, and different approaches for sensor selection Information...

Ngày tải lên: 16/10/2015, 11:57

... multipleaccess fading channels in wireless sensor networks optimal and suboptimal estimators Xin Wang∗1 and Chenyang Yang1 School of Electronics and Information Engineering, Beihang University, Beijing 100191, ... optimal MLE Keywords Decentralized estimation, maximum likelihood estimation, fading channels, wireless sensor network 1 Introduction Wireless sensor networks (WSNs) consist of a number of sensors ... communication SNR levels It is interesting to see that using more training symbols does not improve the performance of the MLE as expected, because inserting training symbols will reduce the energy...

Ngày tải lên: 18/06/2014, 22:20

... multipleaccess fading channels in wireless sensor networks optimal and suboptimal estimators Xin Wang∗1 and Chenyang Yang1 School of Electronics and Information Engineering, Beihang University, Beijing 100191, ... optimal MLE Keywords Decentralized estimation, maximum likelihood estimation, fading channels, wireless sensor network 1 Introduction Wireless sensor networks (WSNs) consist of a number of sensors ... communication SNR levels It is interesting to see that using more training symbols does not improve the performance of the MLE as expected, because inserting training symbols will reduce the energy...

Ngày tải lên: 20/06/2014, 04:20

... Nath, Robust statistical methods for securing wireless localization in sensor networks, in Proc International Symposium on Information Processing in Sensor Networks (IPSN), California, 91–98 (April ... 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 ... verification in wireless sensor networks, in Proc IEEE International Conference on Communications (ICC) 8, 3485–3490 (2006) 21 L Zhao, Q Liang, Hop-distance estimation in wireless sensor networks...

Ngày tải lên: 20/06/2014, 22:20