báo cáo hóa học:" Low-complexity multiuser MIMO downlink system based on a small-sized CQI quantizer" potx

... σ k = arg max 1 a M CQI k ,a for 1 ≤ k ≤ K, CQI k ,a ∈ F 1 6 Low-complexity multiuser MIMO downlink system based on a small-sized CQI quantizer Jiho Song 1 , Jong-Ho Lee 2 , Seong-Cheol Kim 1 and ... sckim@maxwell.snu.ac.kr Abstract It is known that the conventional semi-orthogonal user selection based on a greedy algorithm cannot provide a globally optimal s...

Ngày tải lên: 21/06/2014, 17:20

... several public datasets. References [1] A. Bayona, J. C. SanMiguel, and J. M. Mart ´ ınez, “Compar- ative evaluation of stationary foreground object detection algorithms based on background subtraction ... detections indicate that an abandoned object was detected where, in fact, there was not an abandoned object (but, for example, a person). Missed detections indicate that an abandoned...

Ngày tải lên: 21/06/2014, 07:20

... discrimination, that is, separation in classes. It is an exploratory method of data evaluation performed as a two-stage process. First the total variance/covariance ma- trix for all variables, and ... System Based on Electroencephalogram Analysis A. Riera, 1 A. Soria-Frisch, 1, 2 M. Caparrini, 1 C. Grau, 1, 3 and G. Ruffini 1 1 Starlab S. L., Cam ´ ı a l’Observatori Fabra, 08035 Ba...

Ngày tải lên: 22/06/2014, 19:20

... K. T. Wong and M. D. Zoltowski, “Self-Initiating MUSIC- based direction finding and polarization estimation in spatio- polarizational beamspace,” IEEE Transactions on Antennas and Propagation, vol. ... fundamental problem in estimation theory and its applications include r adar, ar- ray signal processing, and frequency synchronization. For scalar sensor array, a number of ESPRIT -based...

Ngày tải lên: 22/06/2014, 23:20

... understanding or to make a greater impression). Demonstration: A structure indicating a reason- consequence relation. Expressions indicat- ing a reason include “because” and “the rea- son is,” and ... use SVDPACK. This format can store the data of a sparse matrix in an efficient manner, thereby sav- ing disk space and significantly decreasing data read-in time. 5 Application 5.1 An E-...

Ngày tải lên: 23/03/2014, 18:20

... broadcast channel due to delay and channel quantization. Accurate closed-form approximations are derived for achievable rates for both SU and MU -MIMO. Based on derived achievable rates, a mode switching ... median range of users are available, only insignificant performance degradation is observed with respect to the optimum in simulations with an ideal channel model or based on mea...

Ngày tải lên: 21/06/2014, 20:20

... 2003. [17] M. Sabbaghian and D. D. Falconer, “An analytical approach for finite block length per formance analysis of turbo frequency- domain equalization,” IEEE Transactions on Vehicular Technol- ogy, ... (CP), and its a nity to different transmission bandwidth arrangements. OFDM has already been adopted as a radio access scheme for several of the latest cellular system specifications su...

Ngày tải lên: 21/06/2014, 08:20

... the analysis and drafted the paper. CJ, AA, MD, and KM assisted in the acquisition of data, interpretation of the analysis, and commented on drafts of the manuscript. All authors read and approved ... complete a questionnaire, were sent an ascertainment questionnaire. Additionally a local media campaign was conducted, which included adverts in the local press and on the local radio. R...

Ngày tải lên: 18/06/2014, 19:20

... modeling and also confirmed the assumption that bone abnormalities on the femoral head create localized supranormal pressures as random 'bumps' make contact with the acetabulum. The peak ... femoral head data also Applied loads and normal hip contact contoursFigure 2 Applied loads and normal hip contact contours. Finite element control hip contact pressure contours at each gait cy...

Ngày tải lên: 20/06/2014, 00:20

... information can be obtained from a standard two- fast/one-slow variable analysis. Figure 13 (a) shows a bifurcation diagram of the V -n fast subsystem with c treated as a parameter (referred to as a ... two-fast/one-slow variable analysis provides little information on these things, it does provide valuable information about how one can make a transition between plateau and pseudo...

Ngày tải lên: 20/06/2014, 22:20