opportunistic routing for load balancing and reliable data dissemination in wireless sensor networks
On structure less and everlasting data collection in wireless sensor networks
... data- centric routing protocols, which takes sensing information entropy into the routing metric In [75, 74], Scaglione and Servetto propose a broadcast routing protocol to disseminate the information ... 2000 Instructional Publications Sha Liu, Kai-Wei Fan, and Prasun Sinha “Protocols for Data Aggregation in Sensor Networks, chapter in book titled Wireless Sensor Networks and Applications” Springer ... the inherent redundancy in raw data collected from sensors, in- network data aggregation can often reduce the communication cost by eliminating redundancy and forwarding only the extracted information...
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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
... source and carry the information concurrently to the destination in order to achieve load balancing and rapid delivery of the information In a wireless sensor network, both single paths and path ... Delay requirement (ms) SP routing MCMP routing 250 ECMP routing LDPR routing 50 100 150 200 Delay requirement (ms) SP routing MCMP routing 250 ECMP routing LDPR routing (b) Packet delivery ratios ... “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 Applications,...
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Geographic routing for point to point data delivery in wireless sensor network
... ii Geographic Routing for Point-to-Point Data Delivery in Wireless Sensor Networks SHAO TAO 2010 ii GEOGRAPHIC ROUTING FOR POINT-TO-POINT DATA DELIVERY IN WIRELESS SENSOR NETWORKS SHAO TAO ... maintain a routing entry for each node in the network to avoid the path discovery process On sensor networks where data reporting is infrequent, constantly maintaining the routing table will incur ... subtrees, tree-based routing protocols can provide reliable point-to-point delivery in 3D networks The existing tree-based routing protocols are often designed for 2D networks and the performance of these...
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Báo cáo hóa học: " Research Article Adaptive Power Allocation in Wireless Sensor Networks with Spatially Correlated Data and Analog Modulation: Perfect and Imperfect CSI Muhammad Hafeez Chaudhary and Luc Vandendorpe" pptx
... 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 ... Cui, and A J Goldsmith, “Powerefficient analog forwarding transmission in an inhomogeneous gaussian sensor network,” in Proceedings of the 6th IEEE Workshop on Signal Processing Advances in Wireless ... required for transmitting the observations to the FC, where as the future work may also include the power consumed in the sensing, preparing the observation for transmission and in the receiving processes...
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báo cáo hóa học:" Bayesian filtering for indoor localization and tracking in wireless sensor networks" doc
... 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, ... account for a priori information of the moving device, the so-called Bayesian filters In particular, Gaussian filters and particle filters were studied and compared in the nonlinear setup The former included ... filtering for indoor localization and tracking in wireless sensor networks Anup Dhital1,2 , Pau Closas∗3 and Carles Fern´ ndez-Prades3 a Universitat Polit` cnica de Catalunya (UPC), Barcelona, Spain...
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Báo cáo hóa học: " Bayesian filtering for indoor localization and tracking in wireless sensor networks" docx
... 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, ... account for a priori information of the moving device, the so-called Bayesian filters In particular, Gaussian filters and particle filters were studied and compared in the nonlinear setup The former included ... filtering for indoor localization and tracking in wireless sensor networks Anup Dhital1,2 , Pau Closas∗3 and Carles Fern´ ndez-Prades3 a Universitat Polit` cnica de Catalunya (UPC), Barcelona, Spain...
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Báo cáo hóa học: "Research Article GRAdient Cost Establishment (GRACE) for an Energy-Aware Routing in Wireless Sensor Networks" ppt
... aware chain routing protocol for continuous data dissemination in wireless sensor networks, ” in Proceedings of the 1st International Conference on Intelligent Sensors, Sensor Networks and Information ... IL,B-Sink , IL,D-Sink , and IL,J-Sink , and then add their link costs to ASink to form CB-Sink , CD-Sink , and CJ-Sink , respectively Nodes B, D, and J store these information in their routing ... Gehrke, and R Rajaraman, “Wave scheduling: energy-efficient data dissemination for sensor networks, ” in Proceedings of the International Workshop on Data Management for Sensor Networks in Conjunction...
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Event-to-Sink Reliable Transport in Wireless Sensor Networks docx
... pump operation in PSFQ simply performs controlled flooding and requires each intermediate node to create and maintain a data cache to be used for local loss recovery and in- sequence data delivery ... a reliable transport protocol 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 ... 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...
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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
... 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, ... Introduction Wireless sensor networks (WSNs) consist of a number of sensors deployed in a field to collect information, for example, measuring physical parameters such as temperature and humidity Since ... unable to distinguish x from −x when using this messaging function In order to handle the phase ambiguity problem inherent in the codebook Ctn , we can simply insert training symbols into the transmit...
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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
... 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, ... Introduction Wireless sensor networks (WSNs) consist of a number of sensors deployed in a field to collect information, for example, measuring physical parameters such as temperature and humidity Since ... unable to distinguish x from −x when using this messaging function In order to handle the phase ambiguity problem inherent in the codebook Ctn , we can simply insert training symbols into the transmit...
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Báo cáo hóa học: " Hop-distance relationship analysis with quasi-UDG model for node localization in wireless sensor networks" pdf
... 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 ... Symposium on Information Processing in Sensor Networks (IPSN), California, 91–98 (April 2005) 20 E Ekici, J Mcnair, D Al-Abri, A probabilistic approach to location verification in wireless sensor networks, ... Due to lack of any predetermined infrastructure and self-organized nature, in most cases, the sensor nodes are randomly and independently deployed in a bounded area For simplicity, the vast majority...
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Báo cáo hóa học: " Research Article Efficient Data Association in Visual Sensor Networks with Missing Detection" ppt
... rational pastime for determining irrelevance and requisite information in belief networks and in uence diagrams,” in Proceedings of the Annual Conference on Uncertainty in Artificial Intelligence, ... burden in the inference computation Fortunately, it turns out in Section that most of the routing variables can be summed out during inference and the introduction of routing variable increases ... x standard EM and EM using different inference engines are shown in Figure 12 As shown in Figure 12, in this sample run, the learning curves of EM with exact inference and EM with appr.II inference...
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Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
... is to load a secret information in the sensor nodes before their deployment in the network This secret information deployed in the network may be the secret key itself or an auxiliary information ... Ning and A Liu, “TinyECC: elliptic curve cryptography for sensor networks, ” http://discovery.csc.ncsu.edu/ software/TinyECC/ [6] R Anderson, H Chan, and A Perrig, “Key infection: smart trust for ... Networking [11] A Perrig, R Szewczyk, V Wen, D Culler, and J D Tygar, “SPINS: security protocols for sensor networks, ” in Proceedings of the 7th Annual International Conference on Mobile Computing and...
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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
... S Boyd, and S Lall, “A scheme for robust distributed sensor fusion based on average consensus,” in Proceedings of the 4th International Symposium on Information Processing in Sensor Networks ... when utilizing the DAC algorithm in wireless sensor networks References [1] R Olfati-Saber, J A Fax, and R M Murray, “Consensus and cooperation in networked multi-agent systems,” Proceedings of ... processing represents the temporal advantage, and the optimal convergence rate can be viewed as the diversity gain In the future, we intend to investigate the effects of fading, link failure, and...
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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
... 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 and ... out in parallel for all bit-planes as shown in Figure 12 The SIG information is obtained directly from the STRIP BUFFER whereas the DESC and GDESC information for a coefficient is obtained by OR-ing ... proposed in [13] With all the significance information precomputed and stored, this results in a fast encoding process since the significance information can be readily obtained from the buffers during...
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Báo cáo hóa học: " Research Article Exploring Landmark Placement Strategies for Topology-Based Localization in Wireless Sensor Networks" pot
... Symplot-Ryl, and S Fdida, “JuMPS: enhancing hop-count positioning in sensor networks using multiple coordinates,” to appear in Ad Hoc and Sensor Wireless Networks Journal [17] A Caruso, S Chessa, S De, and ... “GPS free coordinate assignment and routing in wireless sensor networks, ” in Proceedings of the 24th Annual Joint Conference of the IEEE Computer and Communications Societies (INFOCOM ’05), vol ... Randbound Rand Unibound Randbound Rand (a) Nonuniform topologies 10 4 1000 nodes Unibound Randbound Rand 10 10 4 3000 nodes 10 10 Unibound Randbound Rand 5000 nodes Unibound Randbound Rand (b) Uniform...
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Báo cáo hóa học: " Research Article An Energy-Efficient Framework for Multirate Query in Wireless Sensor Networks" pptx
... Krishnamachari and J Ahn, “Optimizing data replication for expanding ring-based queries in wireless sensor networks, ” in Proceedings of the 4th International Symposium on Modeling and Optimization in Mobile, ... D Estrin, and S Wicker, “Modelling datacentric routing in wireless sensor networks, ” in Proceedings of the 21st Annual Joint Conference of the IEEE Computer and Communications Societies (INFOCOM ... the sink node and performed inside the network, such as eliminating irrelevant records and aggregating raw data, which is referred to as in- network data processing and data aggregation Since...
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Báo cáo hóa học: " Research Article Hop-Distance Estimation in Wireless Sensor Networks with Applications to Resources Allocation Liang Zhao and Qilian Liang" pot
... energy savings and source-to-sink delay in data dissemination for wireless sensor networks, ” in Proceedings of the 8th ACM Symposium on Modeling, Analysis and Simulation of Wireless and Mobile ... De, and A Urpi, “GPS free coordinate assignment and routing in wireless sensor networks, ” in Proceedings of the 24th Annual Joint Conference of the IEEE Computer and Communications Societies (INFOCOM ... Heidemann, and D Estrin, “Geography-informed energy conservation for ad hoc routing, ” in Proceedings of the 7th Annual International Conference on Mobile Computing and Networking (MOBICOM ’01),...
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Báo cáo hóa học: " Research Article Clock Estimation for Long-Term Synchronization in Wireless Sensor Networks with Exponential Delays" docx
... of clock parameters using a quadratic model is computationally more demanding than using the linear model, it helps in maintaining long-term synchronization among the nodes and subsequently less ... likelihood function expression Therefore, plugging (10) and (12) into the expression for Φ, it can be written in the form of a set φa,b depending on indices a and b as d n φa,b = θD 2 T4,r − T1,r θ D ... decreased by increasing θ D until it touches the intersection Therefore, a = c should be used to find the index b corresponding to the minimum of the set φc,b Q M Chaudhari and E Serpedin (1) Compute...
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A COMPRESSED DATA COLLECTION SYSTEMFOR USE IN WIRELESS SENSOR NETWORKS
... Protocol and a general gateway for data collection in wireless sensor networks, which attempts to provide an easy to use, energy efficient and complete system for data collection in sensor networks ... machine The third component is the gateway system which is in charge of receiving data from the sink, doing any preliminary processing necessary, storing the data to a local database, and forwarding ... only interested in reliable collection of their data Their deployment will typically follow the following pattern: Sample sensors at the nodes Gather sensor data at the sink Store and forward data...
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