capacity outage probability of mimo mrc beam forming systems with perfect channel state information at the transmitter
Báo cáo hóa học: " BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information" pot
Ngày tải lên :
20/06/2014, 22:20
... wideband MIMO channel into a series of parallel narrowband MIMO channels, we can assume that the channels are frequency flat Furthermore, we assume that the channels are spatially uncorrelated, ... achievable sumrate of a correlated/uncorrelated MU -MIMO channel with channel estimation error and feedback delay The achievable ergodic rates were derived for multi-user MIMO systems with CSI delay ... performance degradation at high SNR than channel estimation error as the latter diminishes when the SNR is high Figure illustrates the variation of system BER with delay Md in the case of 4QAM, 16QAM,...
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Báo cáo hóa học: " Research Article Joint Linear Processing for an Amplify-and-Forward MIMO Relay Channel with Imperfect Channel State Information" pdf
Ngày tải lên :
21/06/2014, 08:20
... to the optimal solution of the sum MSE minimization problem are; (a) maximization of the minimum of the SNRs of the data streams and (b) maximization of the geometric mean of the SNRs of the data ... follows The destination estimates the source-destination and relay-destination channels and the relay estimates the source-relay channel, separately with the help of training sequence The relay ... arrival/departure of the wavefronts at/ from the transmitter/ receiver, and the corresponding angular spread (see [21] and the references therein) The spatial correlation matrices represent the second-order statistics...
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Evaluating the Reliability and Validity of an English Achievement Test for Third-year Non- major students at the University of Technology, Ho Chi Minh National University and some suggestions for chan
Ngày tải lên :
07/11/2012, 15:05
... compatible with the aims of the courses and the objectives of the syllabus and the test specification However, with the negative skew of score distribution analysed above, along with the evaluation ... The study aims at evaluating the reliability and the validity of the final achievement test for the third-year students at the University of Technology To deal with the stated aims, the study was ... estimated by the split half method; r : the correlation of the A, B scores from one half of the test with those from the other half) Rational equivalence is another method which provides us with...
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Báo cáo khoa học: Oxygen control of nif gene expression in Klebsiella pneumoniae depends on NifL reduction at the cytoplasmic membrane by electrons derived from the reduced quinone pool doc
Ngày tải lên :
17/03/2014, 10:20
... reduce the FAD cofactor of purified NifL in the absence of a redox mediator (Fig 4) Taken together, these data indicate strongly that under anaerobic conditions and at a favourable quinol/quinone ratio, ... at room temperature In the absence of a redox mediator, the FAD cofactor of oxidized MBP–NifL was not reduced by the addition of NADH (data not shown) However, in the presence of methyl viologen, ... spectrophotometer with an integrated diode array detector and the reduction of the flavin moiety of the protein was monitored at 450 nm The inset shows the difference spectrum; the fully oxidized spectrum at...
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Báo cáo hóa học: " Research Article About Robust Stability of Caputo Linear Fractional Dynamic Systems with Time Delays through Fixed Point Theory" pot
Ngày tải lên :
21/06/2014, 05:20
... “Stability of impulsive time-varying systems and compactness of the operators mapping the input space into the state and output spaces,” Journal of Mathematical Analysis and Applications, vol ... dynamic differential systems subject to point delays may be characterized with sets of precise mathematical results On the other hand, fixed point theory is a very powerful mathematical tool to be ... Point Theory and Applications The subsequent stability result is based on a transformation of the matrix A0 to its diagonal Jordan form which allows an easy computation of the -matrix measure of...
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Survey findings of goat production in Ninh Thuan, Binh Thuan and Lam Dong at the second year implementing card project doc
Ngày tải lên :
21/06/2014, 06:20
... sense of any production data, and the staff will be encouraged to recover the above data and put ear-tags in every goat This was part of the contract with farmers, we given them resources and they ... resources As for the other farms, there are goats here without ear-tags, no identification of sires and dams, no records of when and how goats died or were sold, it was expected that all goats sold would ... that this was not part of the project plan, and will diminish the impact of the study for recommendations to local small farmers I not believe that the management skills of any farmers in the...
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Báo cáo hóa học: "Research Article Efficient Transmission Schemes for Multiuser MIMO Downlink with Linear Receivers and Partial Channel State Information" potx
Ngày tải lên :
21/06/2014, 17:20
... denotes the conjugate transpose of the matrix argument E{·} is the expectation operation Tr(·) denotes the trace of the matrix argument System Model Figure shows the block diagram of a MU -MIMO downlink ... denotes the mth diagonal term of the matrix A Once the base station is informed of postprocessing SNR of a specific data stream by all users, it will assign that data stream to the user with the highest ... only one interfering data stream However, in order to find the best set of users which maximizes the sum rate, either the base station requires full channel state information of all users which results...
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Báo cáo hóa học: " Research Article Performance of Multiple-Relay Cooperative Diversity Systems with Best Relay Selection over Rayleigh Fading Channels" pdf
Ngày tải lên :
21/06/2014, 22:20
... selected as the one that achieves the highest end-to-end SNR of the indirect link Then assuming that maximum ratio combining (MRC) technique is employed at the destination node, the total SNR at the ... Furthermore, the first two moments of γtot can be used in order to evaluate the amount of fading (AF) at the destination [13, Chapter 1] The AF is defined as the ratio of the variance to the square mean of ... (16) The capacity outage (Cout ) is defined as the probability that the channel average mutual information (ISel ) falls below the required rate R Cout is a very important characterization of any...
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Báo cáo toán học: "Colouring 4-cycle systems with specified block colour patterns: the case of embedding P3-designs" ppsx
Ngày tải lên :
07/08/2014, 06:22
... 2, Colour the elements of X with a new colour Remark The above Lemma 2.4 gets 4-cycle systems of order + 8k satisfying the hypotheses of same Lemma 2.4 (where it is n = + 8(k + 1)) Theorems 2.3 ... indexed by the elements of Ω1 ) defined by M(ai , α) = Bσ if and only if {ai , α} is an edge of Bσ The inclusion F ⊆ D(Ωj ) follows easily by the fact that the cardinality of the edge set of the complete ... devoted to the case of weak colourings However, recently other types of colouring started to be investigated, mainly in connection with the notion of the upper chromatic number of a hypergraph [12]...
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Báo cáo lâm nghiệp: "Growth and nutrition of container-grown ponderosa pine seedlings with controlled-release fertilizer incorporated in the root plug" docx
Ngày tải lên :
08/08/2014, 01:22
... interpretation of these results is that the low application rate of these two products provided inadequate nutrients during the early rapid seedling growth as indicated by Figure and the high application ... nutritional status of seedlings treated with the low and moderate application rates of FR, MR or SR were not significantly different from those treated with the regular nursery fertilization regime (the ... including 10 treatments (3 formulations × application rates and control), each with replicates (trays) was used in the experiment For the three application rates, 128, 256, and 512 g of each of three...
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Báo cáo y học: "An unusual presentation of brucellosis, involving multiple organ systems, with low agglutinating titers: a case repor" ppsx
Ngày tải lên :
11/08/2014, 10:22
... contributions FK wrote the manuscript and was involved with the patient's management AHK participated in the clinical care of the patient and the writing of the case report MB wrote the manuscript and ... reported [4] Our patient was diagnosed as having brucella hepatitis because of extreme elevation of the hepatic enzymes that subsequently returned to the normal value with treatment Page of (page number ... involved with the patient's management MS performed blood culture and PCR of the patient AEN wrote the manuscript and was involved with the patient’s management All authors read and approved the final...
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Some problems of non-linear oscillations in systems with large static deflection of elastic elements
Ngày tải lên :
08/04/2015, 15:33
... feature characterized by the fact that the nonlineaxity of the system under consideration depends on the parameters of elastic elements and the static deflection and by the appearance of the ... respectively B elow , the derivatives will be calculated at the station ary values of n , a w h ich sa tisfy the relations (1.2.13) We have the following variational equations: a, 0) and ^ - ... between the self-excited and forced ones in the non-linear systems with large static deflection of the elastic elements when the mechanisms exciting these oscillations coexist In both problems there...
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A numerical study of porous fluid coupled flow systems with mass transfer
Ngày tải lên :
10/09/2015, 15:53
... parallel lattice Boltzmann simulation of flow in porous media Their method recovers the interfaces rather than the load balance and there was no need for iteration The limitation of their method ... made of porous silicon The characteristics of the micro-immobilized enzyme reactors were investigated by studying the product formation with variation of the concentration flow rate, temperature ... 2009a) It is assumed that the result is independent of the size of the REV The length scale of the REV is much larger than the pore scale, but smaller than the length scale of the macroscopic domain...
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Equilibria of large games and bayesian games with private and public information
Ngày tải lên :
12/09/2015, 08:18
... Remark The motivation of the division of the common information is that we notice that in some cases, the common information and the strategy-relevant private information may be independent of each ... cost of the wheat are highly correlated to the precipitation Thus, the farmer wants the contract to depend on the precipitation Therefore, they negotiate the following contract If the precipitation ... payoff-relevant private information and some payoff-relevant common information Under the assumption that the players’ strategy-relevant private information is diffuse and their private information is conditionally...
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Development of image processing and vision systems with industrial applications
Ngày tải lên :
14/09/2015, 08:40
... scenarios based on the estimated cell size R Since the holder and the cell are static before penetration, we can detect the cell with the feature of the holder Obviously, the boundary of the holder makes ... holder Since the cell is on the right-hand side of the top of the holder, the X-axis coordinate of the center of the cell is thus found, which is X holder + R The next step is to locate the center ... the development of the system, the final application requires a computer to use the visual information directly One of the major topics within the field of computer vision is image analysis The...
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Performance analysis of space time block coded systems with channel estimation
Ngày tải lên :
16/09/2015, 08:31
... (2.14) As the non-zero eigenvalues of H † H and HH † are the same, the capacity of a channel with matrix H and H † are the same When the channel parameters are known at the transmitter, the capacity ... sub-channels in the equivalent MIMO channel On the other hand if NR > MT , there will at most MT non-zero gain sub-channels in the equivalent MIMO channel Note that in the above models the sub-channels ... is carried out based on the order statistics of estimated SNR We further extend the work by feeding back the channel estimation information to the transmitter to optimize the performance We present...
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On the performance of multicarrier CDMA (MC CDMA) systems with transmit diveristy
Ngày tải lên :
27/11/2015, 11:26
... result of such time variations, the nature of the multipath varies with time The time variations appear to be unpredictable to the user of the channel Therefore, it is reasonable to characterize the ... system In these papers, the multiuser receivers for synchronous ST block coded CDMA systems are presented with the assumption that the channel state information is known perfectly at the receiver ... characteristic of a multipath medium is the time spread introduced in the signal that is transmitted through the channel Another characteristic is due to the time variation in the structure of the medium...
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Báo cáo hóa học: " Research Article Eigenstructures of MIMO Fading Channel Correlation Matrices and Optimum Linear Precoding Designs for Maximum Ergodic Capacity" pdf
Ngày tải lên :
22/06/2014, 19:20
... fading channel with L effective paths in terms of channel correlation matrices Furthermore, we analyze the effects of the eigenstructures of the channel correlation matrices on the ergodic capacity of ... called partial channel information In state -of- the- art communications systems, these types of channel information become more and more important as we are interested in transmitting information to ... The upper bound on ergodic capacity of a frequency-selective channel is a function of a matrix representing the sum of the eigenvalue matrices of spatial correlation matrices − of different paths,...
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Thạc sỹ PHÂN TÍCH DANH mục tín DỤNG xác SUẤT KHÔNG TRẢ được nợ PROBABILITY OF DEFAULT (PD)
Ngày tải lên :
28/12/2013, 20:37
... results of the research study, the authors found that the application of statistical models estimate the probability of default of corporate clients in accordance with corporate credit portfolio of ... comparative approach, the method of the author Atltman Z score is adjusted in accordance with the banking industry environment in Vietnam to estimate the probability of default of customers From the ... tín dụng ABSTRACT The objective of this paper to develop the methodology and steps to estimate the probability of default of corporate clients in the credit portfolio of Habubank Thesis using random...
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Luận văn:PHÂN TÍCH DANH MỤC TÍN DỤNG: XÁC SUẤT KHÔNG TRẢ ĐƯỢC NỢ - PROBABILITY OF DEFAULT (PD) doc
Ngày tải lên :
11/03/2014, 02:20
... results of the research study, the authors found that the application of statistical models estimate the probability of default of corporate clients in accordance with corporate credit portfolio of ... comparative approach, the method of the author Atltman Z score is adjusted in accordance with the banking industry environment in Vietnam to estimate the probability of default of customers From the ... tín dụng ABSTRACT The objective of this paper to develop the methodology and steps to estimate the probability of default of corporate clients in the credit portfolio of Habubank Thesis using random...
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