Báo cáo hóa học: " Research Article How to Solve the Problem of Bad Performance of Cooperative Protocols at Low SNR Charlotte Hucher, Ghaya Rekaya-Ben Othman, and Jean-Claude Belfiore" potx
Báo cáo hóa học: " Research Article How to Solve the Problem of Bad Performance of Cooperative Protocols at Low SNR Charlotte Hucher, Ghaya Rekaya-Ben Othman, and Jean-Claude Belfiore" potx
... pagesdoi:10.1155/2008/243153 Research Article How to Solve the Problem of Bad Performance of Cooperative Protocols at Low SNR Charlotte Hucher, Ghaya Rekaya-Ben Othman, and Jean-Claude BelfioreEcole Nationale Superieure ... cooperation).Outage probabilities and simulation results show that the adaptive cooperation protocols solve the problem of bad performance of cooperation protocols at low SNR. Moreover, they ... scheme Charlotte Hucher et al. 7that the adaptive cooperation enhances the performance of the initial cooperation schemes at high SNR, and solves the problem of poor performance at low SNR. REFERENCES[1]...
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Báo cáo hóa học: "Research Article Spectrum Sharing in an ISM Band: Outage Performance of a Hybrid DS/FH Spread Spectrum System with Beamforming" docx
... capable of acquiring the frequency-hopping pattern, signature sequence and time synchronization of the user. The output of the frequency dehopper in the receiver enters the despreader and then the ... at mainlobe and a at sidelobe is developed. The width of the mainlobe and the height of the sidelobeare calculated based on the first moment and the secondmoment of the real beam pattern. This ... investigated the issue of coexistenceinterference in unlicensed bands. Motivation for the workoriginates from the widespread use of the 2.4GHz ISMband for varied services and the growing realization...
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Báo cáo hóa học: "Research Article Convergence Theorems for the Unique Common Fixed Point of a Pair of Asymptotically Nonexpansive Mappings in Generalized Convex Metric Space" pptx
... the proof.Acknowledgments The authors would like to thank the referee and the editor for their careful reading of the manuscript and their many valuable comments and suggestions. The research ... The proof of uniqueness is the same to that of Theorem 2.1. Therefore, {xn} converges to the unique common fixed point of S and T.Corollary 2.4. Let E be a nonempty closed convex subset of Banach ... spaceX, and S, T : E → E a pair of asymptotically nonexpansive mappings with b/ 0, and F FS ∩2 Fixed Point Theory and Applicationsconsidered the Ishikawa iteration process to approximate the...
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Báo cáo hóa học: " Research Article Synthetic Stimuli for the Steady-State Verification of Modulation-Based Noise Reduction Systems" docx
... to reachfurther than the filter slopes of the corresponding subbandsplit filter. We had to find a compromise between setting the band limits of the band-stop filtering far outside the subband of ... multiple subbands [1],a systematic test procedure should measure the attenuationin each of them separately. It is therefore required that the test stimuli can stimulate each subband of the noisereduction ... equipment and to nonidealsubband split.For the same reason, the band-stop filtering that is part of (6) was made with a band-stop filter whose band limitswere set far enough outside the subbband of...
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Báo cáo hóa học: " Research Article Solutions to a Three-Point Boundary Value Problem" docx
... 2.1 implies that 1.1 has a solution u ut if and only if u is a fixed point of T.From Lemmas 2.1 and 2.2 and the Ascoli-Arzela theorem, the following follow.Lemma 2.5. The operator defined ... Mathematics, Shanghai Jiao Tong University, Shanghai 200240, China2Department of Mathematics and Physics, Anyang Institute of Technology, Anyang, Henan 455000, China3Department of Mathematics, ... values, while in the latter case, the boundary conditions at the starting point do not determine a unique solution to start with, and some randomchoices among the solutions that satisfy these starting...
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báo cáo hóa học:" Research Article A Remark on the Blowup of Solutions to the Laplace Equations with Nonlinear Dynamical Boundary Conditions" pdf
... years, the problem has attracted a great deal of people. Lions6 used the theory of maximal monotone operators to solve the existence of solution of the following problem: Δu 0, in Ω ×0,T, ... considered blowup of the solution of problem 1.8–1.10. For more results concerning the related problem 1.8–1.10, we refer the reader to 3 , 6, 19 –31 and their references. In these papers, ... N. Koleva and L. G. Vulkov, “On the blow-up of finite difference solutions to the heat-diffusionequation with semilinear dynamical boundary conditions,” Applied Mathematics and Computation, vol.161,...
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Báo cáo hóa học: "Research Article End-to-End Joint Antenna Selection Strategy and Distributed Compress and Forward Strategy for Relay Channels" potx
... With the proposed hybridJEEMAS strategy, the destination needs to feedback the index of the path with the maximum mutual information to the source and each stage. Recall from the derivation of the achievable ... 3).Proof. To prove the theorem we will compute the achievableDM-tradeoff of the CF strategy (30) and show that it matcheswith the upper bound. To compute the achievable rates subject to the compres-sion ... following [1], let C (SNR) bea family of codes, one for each SNR. The multiplexing gain of C (SNR) is r if the data rate R (SNR) of C (SNR) scales is rwith respect to log SNR, that is,limSNR...
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Báo cáo hóa học: " Research Article How Reed-Solomon Codes Can Improve Steganographic Schemes" potx
... elementP of Fqk and, under thisrepresentation, to find factors Y−P(X)ofR is equivalent to find factors Y−P of R(Y) =j≤lRjYj, that is, to computefactorization of a univariate polynomial ... can change up to w of its coordinates. (In fact, we suppose that the action of the warden on the stego-medium translates onto the stego-datain such a way that at most w coordinates are changed.)This ... abetter management of the distortion; they are able to locktwice the number of positions. Moreover, they are optimalin the sense that they enable to lock the maximal number of positions. We first...
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Báo cáo hóa học: "Research Article An Inequality for the Beta Function with Application to Pluripotential Theory" doc
... noted that it follows from 6 that the complex Monge-Amp`ere operator is well defined on Ep. For further information aboutpluripotential theory and the complex Monge-Amp`ere operator we ... special functions and their generalizations have hadgreat impact on, for example, analysis, mathematical physics, and statistics. In this paper weprove the following inequality for the beta function.Inequality ... Article An Inequality for the Beta Function withApplication to Pluripotential TheoryPer˚Ahag1 and Rafał Czy˙z21Department of Natural Sciences, Engineering and Mathematics, Mid Sweden University,871...
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Báo cáo hóa học: " Research Article How Equalization Techniques Affect the TCP Performance of MC-CDMA Systems in Correlated Fading Channels" pot
... is the only feasible way to take all the above mentioned aspects into account. To summarize, the goals of the paper are(i) to understand how equalization techniques affect the performance at ... from the wireless linkspoint of view (i.e., at data-link and physical levels). The specific configuration of the simulation platformadopted for the present investigation is detailed in the fol-lowing ... our simulator.LLS assumptionsAs previously illustrated, LLS should simulate the behavior at physical and data-link levels of the investigated system.It follows that we had to simulate not only...
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Từ khóa: báo cáo khoa học ảnh hưởng của việc thay thế cỏ xanh trong khẩu phần bằng bã dứa ủ chua đến khả năng sản xuất của bò thịt pothow to determine the quality of ricehow to check the quality of ricehow to check the quality of basmati ricehow to complete the fountain of youth on pirates of the caribbeanhow to beat the fountain of youth in lego pirates of the caribbeanNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Phát hiện xâm nhập dựa trên thuật toán k meansTìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)Quản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)Trách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMMÔN TRUYỀN THÔNG MARKETING TÍCH HỢPQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ