Báo cáo hóa học: " Research Article Collaborative Area Monitoring Using Wireless Sensor Networks with Stationary and Mobile Nodes" docx

... 2009, Article ID 750657, 16 pagesdoi:10.1155/2009/750657 Research Article Collaborative Area Monitoring Using Wireless Sensor Networks with Stationary and Mobile NodesTheofanis P. Lambrou and ... reviews related work in two research fields, the area coverage for both stationary and mobile sensor networks and the path planning algorithms in the fields of mobile robotics and unmanned aerial vehicles. ... between mobile and stationary sensors in the sense that the mobileshave found two different paths that are least covered bythe stationary sensors. Also notice how the two mobilescollaborate and...

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

... pagesdoi:10.1155/2010/817961 Research Article Adaptive Power Allocation in Wireless Sensor Networks with Spatially Correlated Data and Analog Modulation: Perfect and Imperfect CSIMuhammad Hafeez Chaudhary and Luc VandendorpeICTEAM ... battleﬁeld monitoring and surveillance, and underwater wireless sensor networks (UWSNs) formarine environment monitoring [1, 2]. A wireless sensor network (WSN) consists of spatially distributed sensors ... siat sensor i, the observation sjat sensor j, theobservation noise niat the sensor, and the receiver noise wiatthe FC are jointly Gaussian across sensors (∀i and ∀ j )with zero mean and...

Báo cáo hóa học: " Research Article Distributed Time Synchronization in Wireless Sensor Networks with Coupled Discrete-Time Oscillators" pptx

... Journal on Wireless Communications and NetworkingVolume 2007, Article ID 57054, 13 pagesdoi:10.1155/2007/57054 Research Article Distributed Time Synchronization in Wireless Sensor Networks with Coupled ... that isa zero-mean and unit-power complex (circularly symmetric)Gaussian random variable with |βki|2= Gki;andw(n, m)isthe additive Gaussian noise with zero mean and power N0.Notice ... Olfati-Saber and R. M. Murray, “Consensus problems in networks of agents with switching topology and time-delays,”IEEE Transactions on Automatic Control,vol.49,no.9,pp.1520–1533, 2004.O. Simeone and...

Báo cáo hóa học: " Research Article Hop-Distance Estimation in Wireless Sensor Networks with Applications to Resources Allocation Liang Zhao and Qilian Liang" pot

... NetworkingVolume 2007, Article ID 84256, 8 pagesdoi:10.1155/2007/84256 Research Article Hop-Distance Estimation in Wireless Sensor Networks with Applications to Resources AllocationLiang Zhao and Qilian ... Conference on Mobile Computing and Networking (MOBICOM ’01), pp. 70–84, ACM Press, Rome,Italy, July 2001.[8] M. Zorzi and R. R. Rao, “Geographic random forwarding(GeRaF) for ad hoc and sensor networks: ... in Section 2.1 and var-ied the node density λ and transmission range R.Ineachsim-ulation, the number of hops is estimated for each node using (11 )and( 13), and then the latency and energy consumptionare...

báo cáo hóa học:" Research Article Intercluster Connection in Cognitive Wireless Mesh Networks Based on Intelligent Network Coding" docx

... fromthe PT with zero mean and variance Pp.hUVis the channelcoeﬃcient between U and V, and for analytical simplicity,hUVis assumed to be ﬂat and symmetric in the local cluster area, which ... (PT) and the secondary receivers V. ZV[k] is theadditive white Gaussian noise (AWGN) with zero mean and variance N0. The transmitted signal XU[k] has zero mean and a variance PU,andXP[k] ... Chou, and S Y. Kung, “Minimum-energymulticast in mobile ad hoc networks using network coding,”IEEE Transactions on Communications, vol. 53, no. 11, pp.1906–1918, 2005.[14] R. S. Sutton and...

Báo cáo hóa học: " Research Article Generalization of an Inequality for Integral Transforms with Kernel and Related Results" potx

... Inequalities and ApplicationsVolume 2010, Article ID 948430, 17 pagesdoi:10.1155/2010/948430 Research Article Generalization of an Inequality for IntegralTransforms with Kernel and Related ... unix,uix with Dα∗auix ,and qx with QDx.Remark 2.21. In the case of L∞fractional derivative, we will use the notationMs,tinstead ofMs,t and we replace vix with Dβauix,uix ... N. Latif, and J. Peˇcari´c, “Positive semideﬁnite matrices, exponential convexity formajorization, and related cauchy means,” Journal of Inequalities and Applications, vol. 2010, Article ID728251,...

Báo cáo hóa học: " Research Article Imaging Arterial Fibres Using Diffusion Tensor Imaging—Feasibility Study and Preliminary Results" potx

... cells and collagen and lower levels of elastin[7, 27]. The quantity and distribution of fibres within thearterial wall and their quality is therefore a direct measureof the mechanical strength and ... is evaluated over bands of5◦, and centred in the middle of each band.4. Discussion and ConclusionsThe arterial wall constitutes a highly organized tissue whichmust withstand a complex network ... eigenvector with the x-y plane with the ROI clearly identified, (e)the results of the tractography process with the fibres superimposed on the reference image, and (f) the aortic fibres within the...

Báo cáo hóa học: " Research Article Blind Channel Equalization Using Constrained Generalized Pattern Search Optimization and Reinitialization Strategy" doc

... ProcessingVolume 2008, Article ID 765462, 11 pagesdoi:10.1155/2008/765462 Research Article Blind Channel Equalization Using Constrained GeneralizedPattern Search Optimization and Reinitialization ... before equalization, (b) after equalization using GPS, (c) after equalization using CMA0, and (d) afterequalization using CMA1.These two minimal and maximal positive bases corre-sponding to ... R.Brown, and R. A. Casas, “Blind equalization using the constantmodulus criterion: a review,” Proceedings of the IEEE, vol. 86,no. 10, pp. 1927–1950, 1998.[14] S. Chen, T. B. Cook, and L. C. Anderson,...

Báo cáo hóa học: " Research Article Range-Based Localization for UWB Sensor Networks in Realistic Environments" pdf

... CorporationEURASIP Journal on Wireless Communications and NetworkingVolume 2010, Article ID 476598, 9 pagesdoi:10.1155/2010/476598 Research Article Range-Based Localization for UWB Sensor Networks inRealistic ... accurate localization within Ultra-Wideband (UWB) sensor networks. In this article, a comprehensive overview of the existing methods for localization in distributed UWB sensor networks under NLOS ... been compared with some other methods by means of computer simulation in a 2D area. 1. IntroductionLocalization in distributed Ultra-Wideband (UWB) sensor networks is an important area that attracts...

Báo cáo hóa học: " Research Article Admission Control Threshold in Cellular Relay Networks with Power Adjustment" ppt

... pagesdoi:10.1155/2009/275121 Research Article Admission Control Threshold in Cellular Relay Networks with Power AdjustmentKi-Dong Lee and Byung K. Yi Research and Standards Department, LG Electronics Mobile Research, ... acellular network using a cooperative relaying mechanism called decode -and- forward. We mathematically formulate the droppingratio using the randomness of “channel gain.” With this, we formulate ... EURASIP Journal on Wireless Communications and NetworkingLet A= 1+β(y)·Gsrps and B = 1+β(y)·(Gsdps+Grdpr).Under the assumption that random variablesGsr, Gsd ,and Grdare mutually...

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