Báo cáo hóa học: " Research Article Distributed and Cooperative Link Scheduling for Large-Scale Multihop Wireless Networks" doc
Báo cáo hóa học: " Research Article Distributed and Cooperative Link Scheduling for Large-Scale Multihop Wireless Networks" doc
... LiuA distributed and cooperative link- scheduling (DCLS) algorithm is introduced for large-scale multihop wireless networks. Withthis algorithm, each and every active link in the network cooperatively ... pagesdoi:10.1155/2007/34716 Research Article Distributed and Cooperative Link Scheduling for Large-Scale Multihop Wireless NetworksKezhu Hong,1Yingbo Hua,1 and Ananthram Swami21Department ... presented a distributed and cooperative link scheduling (DCLS) algorithm which is especially useful for large-scale multihop wireless networks. This algorithm par-titions a set of links into...
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báo cáo hóa học:" Research Article Secure Collision-Free Frequency Hopping for OFDMA-Based Wireless Networks" docx
... broadband wireless systems thatconsists of a large number of OFDM bands and henceprovides a promising and flexible solution for secure and efficient spectrum sharing among different users and servicesin ... the band. ρ is also referred to as the jammer occupancy and is given asρ=WJWS≤ 1,(33)where WJis the jamming bandwidth, and WSis thetotal signal bandwidth. For CFFH, partial-band ... distributed over the entire bandwidth. In this case, the partial-bandjamming becomes full-band jamming [28, 29]. For a CFFHsystem, full-band jamming means that the jamming power isuniformly distributed over...
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Báo cáo hóa học: "Research Article Spatial and Temporal Fairness in Heterogeneous HSDPA-Enabled UMTS Networks" docx
... quantiles, for example, for 0.8, are higher than for proportional fair and round-robin scheduling. In terms of fairness, it is remarkable that theshape of the curves for Round-robin and proportional-fairare ... compare user and systemthroughput for round-robin, Max C/I, and proportionalfair scheduling. The results show that on the one hand, asexpected the two channel-aware schemes clearly outperformround-robin ... component power. For a simplified simulation and evaluation of the HSDPA performance, an approximatemodel for the HSDPA bandwidth similar to the orthogo-nality factor model for DCH is required....
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Báo cáo hóa học: " Research Article Scalable and Media Aware Adaptive Video Streaming over Wireless Networks" pdf
... layersas explained before.4.2. Packet scheduling for SVC bitstreamIn the remaining of this study, we consider that the MANEsees RLC layer as the bottleneck link and performs packet scheduling from ... Multimedia and Expo (ICME ’06), pp. 625–628, Toronto, Canada, July 2006.[10] G. Liebl, H. Jenkac, T. Stockhammer, and C. Buchner, “Radio link buffer management and scheduling for wireless videostreaming,” ... Wang, and T. Schierl, “RTP payload format for SVC video,” draft, Internet Engineering Task Force (IETF),February 2008.[12] 3GPP and Siemens, “Software simulator for MBMS streamingover UTRAN and...
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Báo cáo hóa học: " Research Article Interference-Aware Radio Resource Management for Local Area Wireless Networks" ppt
... , S} corresponds to the BSs and for each BS, the set Lscontains all uplink and downlink linksformed by the BS and the UEs served by it. PF schedulercalculates a scheduling met ricμn,k,PF=Rγn,k(i)αTn(i)+ ... BS form a cell, and the transmissions in the cell areorganized at the BS by the scheduler. A transmitter and areceiver form a communication link, such that each UE and BS pair forms two links ... interference scenarios, for example, multiple networks deployed in the same geographicalarea and sharing a common band.1. IntroductionAs the demand for higher data rates for wireless accesscontinues,...
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Báo cáo hóa học: " Research Article Distributed and Collaborative Node Mobility Management for Dynamic Coverage Improvement in Hybrid Sensor Networks" doc
... outperforms therandom mobility schemes. For results in Figure 13,weransimulations for 10000 s and averaged over 50, 000 arbitrarypoints.6 EURASIP Journal on Wireless Communications and NetworkingtothecellIDandthemaximumcorrespondingbaseprice.Note ... G. Barriac, R. Mudumbai, and U. Madhow, Distributed beamforming for information transfer in sensor networks,” inProceedings of the 3rd International Symposium on InformationProcessing in Sensor ... steps will occur for nodes having r>rmin. Thus, depending on the sensing radius and allowable maximum speed, the candidate locations and thus the time step for a movement for a given mobile...
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Báo cáo hóa học: "Research Article PAPR and the Density of Information Bearing Signals in OFDM" docx
... s(t) = s1(t)foralltwhere|s(t)|≤M.Then,s − s1has compact support and cannot be band-limited. Since s is band-limited, this means s1cannot be band-limited, and thus out-of-band radiation ... open question for length 3 for decades beforeRoth proved it in 1952 [8], for which he was awarded theFields Medal in 1958. Szemer´edi proved the result for length4 in 1969 [9] and his final ... Pr ocessingVolume 2011, Article ID 561356, 9 pagesdoi:10.1155/2011/561356 Research Ar ticlePAPR and the Density of Information Bearing Signals in OFDMHolger Boche and Brendan FarrellLehrstuhl...
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Báo cáo hóa học: " Research Article Phoneme and Sentence-Level Ensembles for Speech Recognition" pot
... sampled from and the definition of the coefficients. For “bagging”, Djis sampled uniformly from D,andtheprobability over the mixture components is also uniform,that is, π(hi) = N−1. For “boosting”, ... and Music ProcessingVolume 2011, Article ID 426792, 17 pagesdoi:10.1155/2011/426792 Research Ar ticlePhoneme and Sentence-Level Ensembles for Speech RecognitionChr i stos Dimitrakakis1 and ... comparing the performance of theabove techniques to that of an HMM using segmentationinformation for training are shown in Figure 10(a) for thetraining data and Figure 10(b) for the test data....
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báo cáo hóa học:" Research Article Solutions and Green’s Functions for Boundary Value Problems of Second-Order Four-Point Functional Difference Equations" ppt
... CorporationBoundary Value ProblemsVolume 2010, Article ID 973731, 22 pagesdoi:10.1155/2010/973731 Research Article Solutions and Green’s Functions for Boundary Value Problems of Second-OrderFour-Point ... BVPs of differential and difference equationshave been studied widely and there are many excellent results see Gai et al. 1, Guo and Tian 2, Henderson and Peterson 3, and Yang et al. 4. ... that, for t ∈ 1,T and φ≥r,ft, φ<f∞ 1φ. 4.16We now show that there is r2≥ r, such that, for y ∈ ∂Kr2, Φy≤y. In fact, f ors ∈ 1,T r2≥ Mr/mα and...
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Báo cáo hóa học: " Research Article Secure and Efficient Protocol for Vehicular Ad Hoc Network with Privacy Preservation" doc
... percent), ECPP and the proposed protocol dropmessages for a smaller number of vehicles; for example,190 vehicles for ECPP and 100 vehicles for the proposedprotocol. However, as for GSIS and BLS, ... anonymous, and traceable identities for both network security and userprivacy. For effectiveness and efficiency, we adopted proxysignature cryptography [2, 3] to authenticate vehicles and RSUs and d ... authorization and accounting for distributed systems,” in Proceedings of the 13th IEEEHindawi Publishing CorporationEURASIP Journal on Wireless Communications and NetworkingVolume 2011, Article...
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