Báo cáo hóa học: " Research Article Throughput Analysis of Large Wireless Networks with Regular Topologies" pot

... pages doi:10.1155/2007/26760 Research Article Throughput Analysis of Large Wireless Networks with Regular Topologies Kezhu Hong and Yingbo Hua Department of Electrical Engineering, University of California, ... achievable throughput of a large wireless net- work has been a topic of great interest. A large wireless net- work can take many possible forms in...

Ngày tải lên: 22/06/2014, 19:20

... Journal on Wireless Communications and Networking Volume 2009, Article ID 147231, 8 pages doi:10.1155/2009/147231 Research Article Throughput Analysis of Band-AMC Scheme in Broadband Wireless OFDMA ... two flavors of OFDM systems: one simply identified as Orthog- onal Frequency Division Multiplexing (OFDM), the other Orthogonal Frequency Division Multiple Access (OFDMA). OFDMA...

Ngày tải lên: 21/06/2014, 23:20

... +1. (C.5) The remaining part of the proof is the same as the proof of Proposition 4 in Appendix B. D. PROOF OF PROPOSITION 6 We first prove the following lemma which provides the impact of perturbation on ... performance when the direct link is of high quality. These results provide useful tools and insights for the design of large cooperative wireless networks. APPENDICES A....

Ngày tải lên: 21/06/2014, 22:20

... improvement in terms of SNR over single antenna. On the other hand, the gain of the antenna array can be de- scribed by the product of the directivity of the array with the efficiency of the antenna ... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2007, Article ID 78907, 10 pages doi:10.1155/2007/78907 Research Article An Overview of Multigi...

Ngày tải lên: 22/06/2014, 22:20

... effects of fading, number of dispersed bands, modulation, and coding on the performance of dispersed spectrum cognitive radio systems. The results show that the effects of fading, number of dispersed ... 2006. [11] J. Hoydis, M. Petrova, and P. M ¨ ah ¨ onen, “Effects oftopology on local throughput- capacity of ad hoc networks, ” in Proceedings of the 19th IEEE Internat ional Sym...

Ngày tải lên: 21/06/2014, 05:20

... of the proposed algorithm for α = 0.2andα = 0.8, respectively, for an SNR of 10 dB. InthecaseofanSNRof20dB,Figures9 and 10 depict the results. The case of α = 0.2isshowninFigure9 while that of ... assumption of small step size is not necessarily t rue in practice but has been commonly used to simplify the analysis [14]. During the convergence analysis of the proposed algo- rit...

Ngày tải lên: 21/06/2014, 08:20

... in Difference Equations Volume 2010, Article ID 954684, 15 pages doi:10.1155/2010/954684 Research Article Dynamical Analysis of a Delayed Predator-Prey System with Birth Pulse and Impulsive Harvesting at ... Laboratory of Economic System Simulation, School of Mathematics and Statistics, Guizhou College of Finance and Economics, Guiyang 550004, China 2 Institute of Mathemati...

Ngày tải lên: 21/06/2014, 11:20

... pages doi:10.1155/2010/649541 Research Article Performance Analysis of Two-Hop OSTBC Transmission over Rayleigh Fading Channels Guangping Li, 1 Steven D. Blostein, 2 and Jiay in Qin 3 1 Faculty of Information ... k  γ N S +p−1 e −(N S α+β)γ K |N S −k−i|  2  N S αβγ  . (28) Proof of Lemma 5. Differentiating (13), where γ th = γ with respect to γ and using the expression for t...

Ngày tải lên: 21/06/2014, 11:20

... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2010, Article ID 914934, 10 pages doi:10.1155/2010/914934 Research Article Performance Analysis of the 3GPP-LTE Physical ... always mapped into the first OFDM symbol of the first slot of each subframe. For the normal CP duration, the PHICH is also mapped into the first OFDM symbol of the first slot of...

Ngày tải lên: 21/06/2014, 11:20

... pages doi:10.1155/2009/215409 Research Article Nonlinear Analysis of the BOLD Sig nal Zhenghui Hu, 1, 2 Xiaohu Zhao, 3 Huafeng Liu, 1 and Pengcheng Shi 2, 4 1 Department of Optical Eng ineering, State Key Laboratory of ... Science Foundation of China (nos: 30570538, 30770615, 30800250), Zhejiang Provincial Natural Science Foundation of China (no: Y2080281), and Doctoral Fund...

Ngày tải lên: 21/06/2014, 20:20