key management in wireless sensor networks

... 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

... 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 ... issues in wireless sensor networks Third International Conference on Computational Intelligence, Modelling & Simulation, IEEE, [12] Abuhelaleh, M A., & Elleithy, K M (2010) Security in wireless sensor...

Ngày tải lên: 05/03/2014, 23:20

... for wireless sensor networks, ” in Proc ACM WSNA, Atlanta, GA, Sep 2002, pp 1–11 [13] J Zhao and R Govindan, “Understanding packet delivery performance in dense wireless sensor networks, ” in Proc ... identification of sensor nodes Further, we model any increase in source information about the event features as a corresponding increase in the reporting rate, , of sensor nodes Definition 3: The reporting ... there is a single event occurrence in the wireless sensor field as shown in Fig In this case, the sink achieves the desired event-to-sink reliability with minimum energy expenditure using the ESRT...

Ngày tải lên: 16/03/2014, 19:20

... 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: 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

... 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

... algorithm in wireless sensor networks is stated in the following theorem Theorem Consider the M-th order DAC algorithm in (2) in a time-invariant, connected, undirected wireless sensor network, with initial ... the diversity gain In the future, we intend to investigate the effects of fading, link failure, and other practical conditions when utilizing the DAC algorithm in wireless sensor networks References ... “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,...

Ngày tải lên: 21/06/2014, 16:20

... 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, ” in ... Barrenechea, “Constrained random walks on random graphs: routing algorithms for large scale wireless sensor networks, ” in Proceedings of the 1st ACM International Workshop on Wireless Sensor Networks and ... resulting in higher consumption While sleeping and wake-up mechanisms are widely recognized as powerful mechanisms allowing high energy savings in wireless sensor networks, their deployment in multi-path...

Ngày tải lên: 21/06/2014, 17:20

... “Distributed environmental monitorning using random sensor networks, ” in Proceedings of the 2nd International Workshop on Information Processing in Sensor Networks, pp 582–592, Palo Alto, Calif, ... combinations of the values of p (in case (a)), p (in case (b)), and the sensor SNR are considered noise intensity p and very high values of the sensor SNR (e.g., SNRsensor = 10 dB), for increasing ... 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

... estimation in wireless sensor networks without considering the spatial correlation In this paper, we present a novel framework which incorporates adaptive power allocation (APA) in the network by taking ... SNR, that is, Pi increases with increasing ζi ; and for ζi > ζi(o) , the power allocation is according to inversion in the channel SNR, that is, increasing ζi decreases Pi (2) The sensors with higher ... “Powerefficient analog forwarding transmission in an inhomogeneous gaussian sensor network,” in Proceedings of the 6th IEEE Workshop on Signal Processing Advances in Wireless 14 [15] [16] [17] [18]...

Ngày tải lên: 21/06/2014, 17:20

... very little work on the incomplete cooperative game theory in wireless networks In [9, 10], authors used the concept of incomplete cooperative game theory in wireless networks for first time and ... timely are the key obstacles in formulating an incomplete cooperative game Every node change its strategy by adjusting the contention window (i.e., properly estimating the number of competing nodes) ... Heidemann, and D Estrin, “An energy-efficient MAC protocol for wireless sensor networks, ” in Proceedings the 21st Annual Joint Conference of the IEEE Computer and Communications Societies (INFOCOM ’02),...

Ngày tải lên: 21/06/2014, 17:20

... 0.1 · I4 hereinafter according to measurement campaign processing Finally, T denotes the sampling period in (6) In (6) we have accounted for external information other than ranging In particular, ... to a single state point To avoid degeneracy, we apply resampling, consisting in eliminating particles with low importance weights and replicating those in high-probability regions [45, 46] In this ... different types can be incorporated into a single filtering algorithm In [9], authors tracked moving objects using various kinds of Bayesian filters From the wide range of wireless technologies...

Ngày tải lên: 21/06/2014, 17:20

... A Mainwaring, J Polastre, R Szewczyk, D Culler, and J Anderson, Wireless sensor networks for habitat monitoring,” in Proceedings of the ACM International Workshop on Wireless Sensor Networks ... results in a fast encoding process since the significance information can be readily obtained from the buffers during the SPIHT-ZTR coding One/Multi-Pass downward Scanning—Listless SPIHT-ZTR Coding ... identifying technique proposed by [13] is also incorporated in our proposed work Since the recursion of descendant information checking is no longer needed here, the processing time of SPIHT coding...

Ngày tải lên: 21/06/2014, 20:20

... before sending its TargetInfo message The collection of TargetInfo messages is fulfilled in a time window in each cycling time step Any TargetInfo message arriving after this time window will ... and information EURASIP Journal on Advances in Signal Processing 13 processing for acoustic target tracking applications in wireless sensor networks Our approach is based on mobile agent computing ... Magazine, vol 40, no 8, pp 102–114, 2002 [2] A Mainwaring, D Culler, J Polastre, R Szewczyk, and J Anderson, Wireless sensor networks for habitat monitoring,” in Proceedings of the 1st ACM International...

Ngày tải lên: 21/06/2014, 20:20

... focused on strengthening an existing secure path They proposed a multipath key reinforcement method to strengthen the security of an established link key by establishing the link key through multiple ... part or key nugget) and sends out request for proxy packets containing key IDs for both nodes N1 and N2 Each recipient examines the key identifiers (key IDs) list to determine if it shares keys ... computed includes the passive listening of all the nodes involved in the proxy searching process When the probability of sharing a secret is 30%, each sensor node carries 20 keys randomly from a key...

Ngày tải lên: 21/06/2014, 22:20