Báo cáo hóa học: " Research Article Noniterative Design of 2-Channel FIR Orthogonal Filters" pptx

... Processing Volume 2007, Article ID 45816, 7 pages doi:10.1155/2007/45816 Research Article Noniterative Design of 2-Channel FIR Orthogonal Filters M. Elena Dom ´ ınguez Jim ´ enez TACA Research Group, ... paper addresses the problem of obtaining an explicit expression of all real FIR paraunitary filters. In this work, we present a general parameterization of 2-chann...

Ngày tải lên: 22/06/2014, 23:20

... 1/2 codes of different lengths. We therefore omit further investigations of the effect of different proportions between the protection classes. 3. Design Examples We design UEP codes of lengths ... Networking Volume 2010, Article ID 423989, 8 pages doi:10.1155/2010/423989 Research Article Improv ed Design of Unequal Error Protection LDPC Codes Sara Sandberg Department of...

Ngày tải lên: 21/06/2014, 11:20

... expressions for the singular values of the LOS matrix are derived as a func- tion of the quality of the array design. The results are useful for system designers both when designing new systems, as well ... pages doi:10.1155/2007/45084 Research Article Optimal Design of Uniform Rectangular Antenna Arrays for Strong Line -of- Sight MIMO Channels Frode Bøhagen, 1 P ˚ al Or ten, 2...

Ngày tải lên: 22/06/2014, 19:20

... tackled the problem of optimal design of linear arrays in a cellular systems under the assumption of Gaussian interference. Two design problems are considered: maximization of the ergodic capacity ... localization of transmitters based on the estimation of direction of arrivals. REFERENCES [1] J. H. Winters, J. Salz, and R. D. Gitlin, “The impact of antenna diversity on th...

Ngày tải lên: 22/06/2014, 19:20

... Processing Volume 2008, Article ID 457307, 12 pages doi:10.1155/2008/457307 Research Article Code Design for Multihop Wireless Relay Networks Fr ´ ed ´ erique Oggier and Babak Hassibi Department of Electr ... namely, the codebook of distributed space-time codewords has to be designed such that the difference of any two distinct codewords is full rank. We then compute the diversit...

Ngày tải lên: 22/06/2014, 19:20

... second design method based on a rhombic transformation of a fixed alphabet of order K is proposed. It performs the optimization of only two parameters (instead of 2K) leading to a huge reduction of ... variations of ζ(β, Δ)withrespecttoβ depend on the specific values of the channel impulse response and the noise statistics. 3. Constellation Design The present section addresses...

Ngày tải lên: 21/06/2014, 08:20

... number of active beams adapted to each scenario. In addition, scalar metrics based on SINR lower bounds can provide benefits from a point of view of QoS and feedback reduction. APPENDICES A. PROOF OF ... guarantee better rates than TDMA regardless of the value of . In this context, the number of users is low, hence there is low probability of obtaining large values of cos θ...

Ngày tải lên: 22/06/2014, 06:20

... number of active beams adapted to each scenario. In addition, scalar metrics based on SINR lower bounds can provide benefits from a point of view of QoS and feedback reduction. APPENDICES A. PROOF OF ... 2 −B/(M−1) . Let the orthogonality factor  denote the maximum de- gree of nonorthogonality between two unit-norm vectors. The columns of the normalized beamforming matrix V(S) are...

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