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 ... providing point- to -point delivery service in 3D wireless sensor networks We also investigate the techniques to reduce the packet overhead of hop count vector-based routing, in order to improve routing ... 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...

Interference minimized multipath routing with congestion control in wireless sensor network for multimedia streaming

... not hold true for wireless networks due to route coupling 3.3 Wireless Network Multipath load balancing in a single-channel wireless network is not as straightforward as in a wired network This ... WSN with high-capacity UAV backbone network support for multimedia streaming, however multipath routing is not used Much research has been done on multipath 17 routing for multi-hop and single-channel ... cast effects of wireless interferences, it will be used to model wireless interferences when analyzing the problem of multipath load balancing in a single channel wireless network for this thesis...

Event-to-Sink Reliable Transport in Wireless Sensor Networks docx

... simplicity III THE RELIABLE TRANSPORT PROBLEM IN WSN In the preceding discussions, we introduced the notion of event-to-sink reliability in WSN and pointed out the inapplicability of existing transport ... AKYILDIZ: EVENT-TO-SINK RELIABLE TRANSPORT IN WIRELESS SENSOR NETWORKS 1009 soon as possible We can achieve such an aggressive increase by invoking the fact that the versus relation, is ship in the ... 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...

Báo cáo hóa học: " A new approach to geographic routing for location aided cluster based MANETs" pot

... Improved Location aided Cluster based Routing Protocol; LAR: Location Aided Routing; LACBER: Location Aided Cluster Based Energy-efficient Routing; MOBIC: Mobility Metric Based Algorithm; RREP: Routing ... Neighbor table is a conceptual data structure for formation of a cluster whereas Cluster Adjacency Table (CAT) is used for keeping information about the adjacent clusters In CAT, CH stores the ... members about its intention to resign as cluster head CH_RACK Present cluster head relieves finally after broadcasting new cluster head ID Mangai and Tamilarasi EURASIP Journal on Wireless Communications...

Practical 3d geographic routing for wireless sensor networks

... ad-hoc routing, geographic routing algorithms are attractive for such networks Many existing works on geographic routing are done for two dimensional topologies But in real world, many sensor networks ... 2.3.3 MGGR 2.4 3D Geographic Routing 2.5 3D unit ball graph based routing 2.6 3D hull based routing 2.7 Summary GDSTR -3D 3.1 Routing Algorithm 3.1.1 Illustration ... in nesC on the TinyOS platform for wireless sensor networks; second, GDSTR was further extended to 3D and evaluated on 3D topologies against two wellknown 2D geographic routing algorithms, GDSTR...

Báo cáo hóa học: " Research Article An Efﬁcient Addressing Scheme and Its Routing Algorithm for a Large-Scale Wireless Sensor Network" pptx

... standard could handle thousands of devices in an Asian metering product [2] N-DIMENSIONAL ADDRESSING SCHEME AND ITS ROUTING ALGORITHM (3, 255) 1023 (2, 5) 517 Figure 5: Tree-based addressing and ... TRAACS algorithm and traditional Cskip based tree-based routing algorithm for ZigBee network The Cskip algorithm assumes two network parameters, Cm and Rm A performance metric used for this evaluation ... Proceedings of IEEE Wireless Communications and Networking Conference (WCNC ’02), vol 1, pp 350–355, Orlando, Fla, USA, March 2002 [9] W R Heinzelman, A Chandrakasan, and H Balakrishnan, “Energy-eﬃcient...

Báo cáo hóa học: "Research Article GRAdient Cost Establishment (GRACE) for an Energy-Aware Routing in Wireless Sensor Networks" ppt

... link costs 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 ... carefully deﬁning link cost as a function of receiving and transmission power using that link The transmission-value is set initially same for all the nodes The link cost between nodes u and v can be ... based on GRAdient Cost Establishment (GRACE) for Wireless Sensor Networks The proposed routing strategy outperforms the existing ones with an enhanced network Figure 23: Collective Performance Metric:...

báo cáo khoa học: "Development of PEGylated PLGA nanoparticle for controlled and sustained drug delivery in cystic fibrosis" pptx

... = 100 μm intranasal drug delivery helps in improving the efficacy of drug by assisting in its lung delivery and biodistribution The PLGA- PEGPS341 provides controlled and targeted drug delivery ... drug- delivery therapeutics for CF and other airway diseases like COPD and asthma The nanodrug delivery system here provides controlled and sustained PS-341 delivery for selective inhibition of ... protein-processing machinery (proteostasis) The nano -drug delivery system used here provides a feasible alternative for controlled and sustained PS-341 delivery to lungs for selective inhibition of...

Báo cáo khoa hoc:" Failure of E. coli bacteria to induce preterm delivery in the rat" ppsx

... invasive monitoring), we sought to develop a model of infection-induced preterm labor in the rat In this paper we report on the failure of this attempt, offer hypotheses for the causes of this failure ... Trans-cervical intrauterine infusion of a pathogenic strain of killed E coli fails to induce preterm delivery The trans-cervical infusion method was used to instill × 109 – × 1010 killed E coli organisms into ... effect of method of inoculation, pregnant females were inoculated with – × 108 live E coli organisms by direct injection into the Table 1: Effect of intrauterine E coli inoculation on preterm delivery...

Data Dissemination Model for IP cloud through Wireless Sensor Network

... guide for MSP430 www.ti.ocm Data Dissemination Model for IP Cloud through Wireless Sensor Network Mrs Neha P Sathe ,date of birth is 08 th November 1979,received the Bachelors in Electronics form ... Data Dissemination Model for IP Cloud through Wireless Sensor Network RTS/CTS mechanism The range covered by each ZigBee module ... Wireles sensor network over IP ,IJCSMS, serial publication , volume No 2010 Aishwarya, V.; Felix Enigo, V.S.,” IP based Wireless Sensor Network with Web Interface”, Recent Trends in Information...

Báo cáo hóa học: " Hop-distance relationship analysis with quasi-UDG model for node localization in wireless sensor networks" pdf

... world In the paper, we presented an analytical modeling to formulate the hop-distance relationship considering the quasi-UDG model Senor nodes are randomly distributed in a circular region according ... developed hop-distance relationship considering the quasi-UDG model in WSN localizations We designed a LS-based localization algorithm using our developed relationship and compared its performance with ... al.: Hop-distance relationship analysis with quasi-UDG model for node localization in wireless sensor networks EURASIP Journal on Wireless Communications and Networking 2011 2011:99 ...

Báo cáo hóa học: " Research Article Efﬁcient Data Association in Visual Sensor Networks with Missing Detection" ppt

... model) in case of missing detection Conclusions In this paper we address the problem of data association in visual sensor networks We consider data association as an inference problem in dynamic ... intractable In fact, intractability is an intrinsic property of the data association problems, no matter in VSN or in traditional multitargets tracking [9] In traditional MTT community, data association ... 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 converge...

Báo cáo hóa học: " Research Article Design and Implementation of a Generic Energy-Harvesting Framework Applied to the Evaluation of a Large-Scale Electronic Shelf-Labeling Wireless Sensor Network" pdf

... know that the capacitance (stated in terms of the amount of charge (Q) stored at a given voltage drop (across the capacitor)) of a capacitor is given by (1) (Note that: the SI unit of capacitance ... is the farad; farad = coulomb per volt; typical capacitances are measured in microfarads or picofarads) 5.2.1 The Virtual Capacitor To implement the law of Coulomb, a TinyOS application was developed ... Castalia [10] was created out of the need to have a simulator designed for WSN research It has advanced and accurate radio and wireless channel models Castalia is built on OMNeT++, a framework which...

Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx

... resistance against the hardest attack: node compromising STKM: A Spanning Tree- Based Key Management Solution for WSNs In this section, we describe a new key management protocol for WSNs Our main objective ... paper Each sensor node i, including the base station, maintains the following variables (i) Fatheri : the father of the sensor in the ﬁnal spanning tree The base station is the root of the tree, so ... neighbors of nodes S5 join the tree Finally, the complete tree is depicted in Figure 3(c) 3.3 Tree Maintenance and Rekeying Once the tree is constructed, each node shares a symmetric key with the base...

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

... Genova, Italy, June 2009 [12] I Bahceci and A K Khandani, “Linear estimation of correlated data in wireless sensor networks with optimum power allocation and analog modulation,” IEEE Transactions ... Power Allocation with Perfect CSI 3.1 Minimization of the Distortion Subject to the Power Constraint We base our adaptive power allocation design on the following optimization problem Prob Minimize ... follows waterﬁlling on channel 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...

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