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Báo cáo hóa học: " Research Article An Evaluation of Interference Mitigation Schemes for HAPS Systems" ppt

Báo cáo hóa học:

Báo cáo hóa học: " Research Article An Evaluation of Interference Mitigation Schemes for HAPS Systems" ppt

... beamforming can provide an efficient means of interference mitigation. Figure 10 shows an example of aHUT system with an adaptive beamforming device. Thesystem consists of receiving and transmitting ... Wireless Communications and NetworkingVolume 2008, Article ID 865393, 11 pagesdoi:10.1155/2008/865393 Research Article An Evaluation of Interference Mitigation Schemes for HAPS SystemsBon-Jun ... contributionresults of [12] to ITU-R. Detailed performance evaluation results of these schemes are provided.In addition to the aforementioned evaluations of conven-tional schemes, new evaluation results of...
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Báo cáo hóa học: " Research Article An Adaptively Accelerated Lucy-Richardson Method for Image Deblurring" pptx

... analysis for superresolution is available. In [18], an analytical analysis of superresolution is performed assum-ing that the point spread function (PSF) of the sys-tem and intensity distribution of ... knownand shift-invariant. However, in many cases, the PSF is un-known and shift-variant. In such blind deblurring problem,Manoj Kumar Singh et al. 3 An approximate solution of (3), for given ... stage of iterations and stability at later stages. It can be observedin Figures 2 and 4 that SNR increases and RMSE decreasesup to certain number of iterations and then SNR starts de-creasing and...
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Báo cáo hóa học: " Research Article Coordinated Transmission of Interference Mitigation and Power Allocation in Two-User Two-Hop MIMO Relay Systems" ppt

... use of instantaneous channelstate information (CSI) at every frame [20]. Moreover, itcan suffer from so-called channel mismatch problem dueto the time delay for the exchange of instantaneous ... A,respectively; ATand A∗, respectively, indicate the transposeand conjugate transpose of A;a denotes the Euclideannorm of a;tr(A)anddet(A), respectively, denote the traceand the determinant of A; ... 3,previousworksarebrieflydiscussed for ease of description. Section 4 proposes acoordinated transmission strategy for the CCI mitigation and power allocation, and analyzes its performance in terms of the achievable...
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Báo cáo hóa học: "Research Article A Fast LMMSE Channel Estimation Method for OFDM Systems" ppt

... domain and the signal to noise ratio (SNR).Though the system can be designed for fixed SNR andchannel frequency autocorrelation matrix, the performance of the OFDM system will degrade significantly ... Fourier Transform (IFFT), mitigation of intersym-bol interference (ISI) by inserting cyclic prefix (CP), androbustness to frequency selective fading channel. Channelestimation plays an important ... the first row of the matrix RHpHp,and (·)HdenotesHermitian transpose.(ii) MSE Analysis for Mismatched SNR. The MSE of LMMSEalgorithm on pilot subcarriers for mismatched SNR can bederived...
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Báo cáo hóa học: " Research Article An Application of Hybrid Steepest Descent Methods for Equilibrium Problems and Strict Pseudocontractions in Hilbert Spaces" pdf

... convergence theorem for finding an element of FS. On the other hand, Ceng et al. 8 proposed an iterative scheme for finding an element of EPφ ∩ FS and then obtained some weak and strong convergence ... Journal of Mathematical Analysis and Applications, vol. 331, no.1, pp. 506–515, 2007.5 A. Tada and W. Takahashi, “Weak and strong convergence theorems for a nonexpansive mapping and an equilibrium ... xn2.3.59Journal of Inequalities and Applications 158 L C. Ceng, S. Al-Homidan, Q. H. Ansari, and J C. Yao, An iterative scheme for equilibriumproblems and fixed point problems of strict pseudo-contraction...
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Báo cáo hóa học: " Research Article Performance Evaluation of Uplink Delay-Tolerant Packet Service in IEEE 802.16-Based Networks" potx

... Transmission Delay. The transmission delay is the sum of the fixed time from the grant time of the tagged i-packetto the start of transmission of the i-packets in the next frameand the transmission ... Hence, our analytical model canbe applied to model and analyze the delay of the uplink nrtPStraffic in IEEE 802.16-based network.Based on the numerical examples for the performance evaluation, ... on Wireless Communications and NetworkingVolume 2011, Article ID 549492, 12 pagesdoi:10.1155/2011/549492 Research Article Performance Evaluation of Uplink Delay-TolerantPacket Service in IEEE...
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báo cáo hóa học:" Research Article An Optimal Adaptive Network Coding Scheme for Minimizing Decoding Delay in Broadcast " doc

... more variantthan when the number of receivers is 10–15. For example, for N= 3andμ = 0.984, the ratio of standard deviation tomean delay is around 3.225/0.8183  4, whereas for N= 15and μ= ... “grace-fully” and meet the delay performance benchmark of single-receiver automatic repeat request (ARQ) schemes. There is yet another set of applications for whichpartial decoding is beneficial and can ... a packet that is not transmitted yetor transmitted but not received by any receiver can betransmitted in an uncoded manner at any transmission slotwithout incurring any algorithmic delay....
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báo cáo hóa học:" Research Article Performance Evaluation of UML2-Modeled Embedded Streaming Applications with System-Level Simulation" pdf

... selection of the evaluation techniques and tools isthe first and foremost step in the performance evaluation process. This phase includes considering the requirements of the performance analysis and ... Figure 7.ThePePerformance is applied for a processing resource, MemPer-formance for a memory resource, and CommPerformance for a communication resource, respectively. The performancecharacteristics ... the article. 2. Analysis of Methods and Concepts Used inRTES Performance Evaluation In this section the methods and concepts used in RTESperformance evaluation are covered. This comprises an introduction...
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Báo cáo hoa học: " Research Article An Approximation Approach to Eigenvalue Intervals for Singular Boundary Value Problems with Sign Changing and Superlinear " doc

... Chair Professor, Mathematics and Statistics Department, King Fahd University of Petroleum andMinerals, Dhahran 31261, Saudi Arabia4Department of Mathematics, National University of Ireland, Galway, ... ProblemsVolume 2009, Article ID 103867, 34 pagesdoi:10.1155/2009/103867 Research Article An Approximation Approach to EigenvalueIntervals for Singular Boundary Value Problemswith Sign Changing and Superlinear ... defined in 2.47.We will prove αn,1is a lower solution of 2.58 and unis an upper solution of 2.58.Now 2.46 and the positivity of ht, s implies that−αn,1tg1t,1n...
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Báo cáo hóa học: " Research Article Performance Evaluation of WiMAX Broadband from High Altitude Platform Cellular System and Terrestrial Coexistence Capability" ppt

... Communications and NetworkingVolume 2008, Article ID 348626, 9 pagesdoi:10.1155/2008/348626 Research Article Performance Evaluation of WiMAX Broadband fromHigh Altitude Platform Cellular System and TerrestrialCoexistence ... the HAPantennas.2.2. HAP antenna and user antenna patterns An antenna radiation pattern is an important and criticaldesign factor in determining the performance of radiocommunication systems. ... (dB)CIRUHCINRUHFigure 10: CDF of uplink CIR and CINR performance in a HAPuplink system with reuse factor= 4.3.2. HAP uplink system performance evaluation Uplink performance of a HAP WiMAX system can be evalu-ated...
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