Báo cáo hóa học: " Research Article Constrained Optimization of MIMO Training Sequences" ppt

... result of MIMO training sequence design is that the PAPR of the training sequences cannot be decreased without compromising the MSE of the channel estimate. This trade-off can be observed for the MIMO ... pages doi:10.1155/2007/80857 Research Article Constrained Optimization of MIMO Training Sequences Justin P. Coon and Magnus Sandell Toshiba Telecommunications Res...

Ngày tải lên: 22/06/2014, 23:20

... 2007, Article ID 80857, 13 pages doi:10.1155/2007/80857 Research Article Constrained Optimization of MIMO Training Sequences Justin P. Coon and Magnus Sandell Toshiba Telecommunications Research ... efficacy of IP methods in the context of sequence design: MIMO OFDM with nulled subcarriers and single-carrier MIMO with a UW extension. In both of these scenarios, a lea...

Ngày tải lên: 22/06/2014, 19:20

... Science Foundation of China (nos: 30570538, 30770615, 30800250), Zhejiang Provincial Natural Science Foundation of China (no: Y2080281), and Doctoral Fund of Ministry of Education of China (no: 200803351022). References [1]K.J.Friston,A.P.Holmes,K.J.Worsley,J.B.Poline,C.R. Williams, ... pages doi:10.1155/2009/215409 Research Article Nonlinear Analysis of the BOLD Sig nal Zheng...

Ngày tải lên: 21/06/2014, 20:20

... 6 Boundary Value Problems Proof. Since the Jacobian determinant of F is bounded and E is of (n − 1)-measure zero, the quasiregularity of F implies that F and the form n  i=1 (−1) i F i dF 1 dF 2 ∧···  dF i ···∧dF n (3.12) belong ... Corollary 3.4 has an easy alternative proof. Since J F (x)is bounded and E is of (n − 1)-measure zero, the quasiregularity of F implies that the de- r...

Ngày tải lên: 22/06/2014, 22:20

... 102030405060 SINR (dB) 3outof3 3outof6 3outof9 Figure 11: Cumulative distribution function of the received SINR with the different number of total relays on an urban environment with a cell radius of 500 m. the ... improved the channel gains of the different OFDM subcarriers which make the channel more robust as compared to the case with random delays. A performance improvement of the...

Ngày tải lên: 21/06/2014, 22:20

... on Wireless Communications and Networking Volume 2008, Article ID 573785, 14 pages doi:10.1155/2008/573785 Research Article Performance Optimization for Delay-Tolerant and Contention-Based Application ... while the number of bandwidth grants monotonously decreases with the increase of contention slots. This indicates that, in IEEE 802.16 networks, the unilateral increase of the...

Ngày tải lên: 21/06/2014, 23:20

... is that of nonlinear optimization of an abstrac ted model of the data exchanges on the superframe [23]. Nonlinear optimization theory pro- vides a number of means to optimize a number of variable parameters ... concentrating on the PCF. There has been a consid- erable amount of research into the support of QoS-sensitive traffic in more distributed aspects of IEEE802.11, bu...

Ngày tải lên: 22/06/2014, 19:20

... 2011, Article ID 237219, 14 pages doi:10.1155/2011/237219 Research Article Asymptotic Behavior of Solutions of Higher-Order Dynamic Equations on Time Scales Taixiang Sun, 1 Hongjian Xi, 2 and Xiaofeng ... G  u  T    t T p  τ  Δτ ≤ G  u  T   P. 2.53 The rest of the proof is similar to that of Theorem 2.8, and the details are omitted. The proof is completed. Theorem...

Ngày tải lên: 21/06/2014, 05:20

... holds. Acknowledgments The work was supported by the NSF of China, the Key Project of Chinese Ministry of Education, the NSF of Jiangxi Province of China, the Youth Foundation of Jiangxi Provincial Education Department ... T. Diagana, “Existence of almost automorphic solutions to some classes of nonautonomous higher- order differential equations,” Electronic Journal of Qualit...

Ngày tải lên: 21/06/2014, 05:20

... the last inequality in 2.16 and 2.17. Thus, we have completed the proof of Lemma 2.5. 3. Proof of Main Results Proof of Theorem 1.1. Multiplying 1.2 by u, v, b, respectively, then integrating ... oriented or spherical particles suspended in a viscous medium, where the deformation of fluid particles is ignored. It can describe many phenomena that appeared in a large number of...

Ngày tải lên: 21/06/2014, 05:20