Báo cáo hóa học: " Research Article Efficient Zero-Knowledge Watermark Detection with Improved Robustness to Sensitivity Attacks" potx
Báo cáo hóa học: "Research Article Efficient MAC Protocol for Subcarrier-Wise Rate Adaptation over WLAN" potx
... receiver,a sender sends an RTS packet with “Reserved” subfield set to 1. Receiving the RTS packet with “Reserved” subfieldset to 1, if the receiver is a node with the proposed rateadaptation capability, ... symbol to 1 to increase or -1 to decrease the data rate on each subcarrier. If the decisionof a subcarrier is not to change the data rate, the receiver setsthe Bit-Map-Adjustment symbol to a ... on Wireless Communications and NetworkingVolume 2010, Article ID 264838, 9 pagesdoi:10.1155/2010/264838 Research Article Efficient MAC Protocol for Subcarrier-Wise RateAdaptation over WL A NSung...
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Báo cáo hóa học: " Research Article Efficient Zero-Knowledge Watermark Detection with Improved Robustness to Sensitivity Attacks" potx
... 2007, Article ID 45731, 14 pagesdoi:10.1155/2007/45731 Research Article Efficient Zero-Knowledge Watermark Detection with Improved Robustness to Sensitivity AttacksJuan Ram´on Troncoso-Pastoriza ... approach, zero-knowledge watermarking,makes use of zero-knowledge (ZK) protocols [1]inordertoget a secure communication layer over a pre-existent sym-metric protocol. In zero-knowledge watermark detection ... thecorrelation-based zero-knowledge detectors.8. CONCLUSIONSThe presented zero-knowledge watermark detection pro-tocol based on generalized Gaussian ML detector outper-forms the previous correlation-based zero-knowledge...
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Báo cáo hóa học: "Research Article Efficient Scheduling of Pigeons for a Constrained Delay Tolerant Application" potx
... hastobetimetolerantdue to the long time (compared with instant communications)needed by the travel of pigeons, the delay that can betolerated is still limited. For example, the best time to rescuing ... sitesaccording to the shortest tour to pick up their messages.3.1. Basic Scenario—A Single Pickup Point. To facilitate theanalysis and get better insight, a simpler scenario with asingle pickup ... feasible solution is to send specialvehicles (like helicopters) to the disaster areas to collect theinformation. This special type of communication belongs to the range of delay tolerant communications.Pigeon...
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Báo cáo hóa học: " Research Article Efficient Delay Tracking Methods with Sidelobes Cancellation for BOC-Modulated Signals" potx
... andstudied: SCM with interference cancellation (IC), SCM with narrow correlator, SCM with high-resolution correlator (HRC), SCM with differential correlation (DC), and SCM with threshold. Compared to other ... set to 0.5here)oruntilHindawi Publishing CorporationEURASIP Journal on Wireless Communications and NetworkingVolume 2007, Article ID 72626, 20 pagesdoi:10.1155/2007/72626 Research Article Efficient ... which use NEML discriminator, together with the Julien&al. EMLP method. The channel has a 4-pathsindoor Rayleigh profile with the mobile speed of 4 km/h andthe CNR is set to 35 dB-Hz. In this...
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Báo cáo hóa học: " Research Article Efficient Data Association in Visual Sensor Networks with Missing Detection" ppt
... 2011, Article ID 176026, 25 pagesdoi:10.1155/2011/176026 Research Article Efficient Data Association in Visual Sensor Networks with Missing Detection Jiuqing Wan and Qing yun LiuDepartment of Automation, ... in case ofmissing detection. Firstly, to deal with the problem of missing detection, we introduce a set of random variables, namely routinevariables, into the DBN model to describe the uncertainty ... show the trajectories recovered by EM with appearance based inference, EM with MCMC inference, EM with forward approximate inference I, EM with backwardapproximate inference I, EM with forward...
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Báo cáo hóa học: " Research Article Efficient Dispersion Generation Structures for Spring Reverb Emulation" ppt
... the rest of the structurewithout degradation of sound quality. To avoid the overheadassociated with an arbitrary change in sampling rate, it isbest to downsample to a rate which is an integer ... algorithm to producethe spring reverberation effect. It consists of two paralleldelay lines with feedback, with an appropriately designedspectral delay filter placed within each feedback loop to produce ... moving to a higher-order filter, such as extragroup-delay around the crossover point.In order to time-align the two bands, it is necessary to insert a delay line in the undispersed path, matched to...
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Báo cáo hóa học: " Research Article Efficient Compensation of Transmitter and Receiver IQ Imbalance in OFDM Systems" pptx
... equation:Stot[l]=Btot[l]Qttot[l]−1 Dtot[l]Ztot[l],(20)whereQttot[l]andBtot[l] are the estimates of Qttot[l]andBtot[l]. We will refer to the ... is then obtained asStot[l]=Brtot[l]Qrinvtot[l]Qrtot[l]×Btot[l]Qttot[l]Qtinvtot[l]Stot[l],(38)whereQtinv tot[l]=1 −Qtf[l]−Q∗tf[lm]1,Qrinv ... obtained asStot[l]=Br tot[l]Btot[l]Qttot[l]Qtinv tot[l]Stot[l](24)whereQtinv tot[l]=1 −Qt[l]−Q∗t[lm]1andBr tot[l] =1/Br[l]001/B∗r[lm]....
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Báo cáo hóa học: " Research Article Efficient Uplink Modeling for Dynamic System-Level Simulations of Cellular and Mobile Networks" ppt
... simulators which is capable of making verylong SON simulations with the necessary level of accuracy.It can be understood as a smart extension of snapshot-based tools with a time axis and with ... moving with aspeed of 3 km/h, and they are handover to another cell ifthe received signal strength (measured on downlink referencesignals) with respect to the new cell is 3 dB better than that with ... even more is impossible with thisclass of simulators. Those simulators are used to makeaccurate performance evaluations given a fixed parameterconfiguration according to specified reference scenarios.Alternatively,...
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Báo cáo hóa học: " Research Article Efficient Key Agreements in Dynamic Multicast Height Balanced Tree for Secure Multicast Communications in Ad Hoc Networks" doc
... The ECDH with 160-bit key lengths provides the same security le vel to a 1024-bit DH secret sharing protocol [15, 16]. However,the original DH protocol needs a key of at least 1024 bits to achieve ... agreement protocol, usingelliptic curve cryptography that allows two parties to estab-lish a shared secret key (session key) over an insecure chan-nel. Two parties then exploit this key to encrypt ... (DEK)had to be changed. To minimize the rekeying cost, theirschemes utilize the dynamic split and merge with a lowoverhead cost, where a physical server splits and merges itstraffic into multiple...
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Báo cáo hóa học: " Research Article Efficient Public Key Certificate Management for Mobile Ad Hoc Networks" potx
... a node in the network B wishes to communicate with one of his peers A, he should contact with t +1 servers in advance in order to obtain A’s public keysigned with the CA’s secret key. One of ... verification procedure.Our immediate goal is to adapt the developed imple-mentation to a network simulator in order to evaluate thebehaviour of the method with different mobility models.EURASIP Journal ... fromcombining its own repository with v’s repository. If thischain is not found there, the search is extended to Gu∪ GNu,what implies the inclusion of u’s nonupdated repository inthe search....
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