performance evaluation of hsdpa hsupa systems
Báo cáo sinh học: " Performance evaluation of space-time-frequency spreading for MIMO OFDM-CDMA systems" ppt
... Performance evaluation of space–time–frequency spreading for MIMO OFDM–CDMA systems Haysam Dahman∗ and Yousef Shayan Department of Electrical Engineering, Concordia ... communications systems An important advantage of using STFdomain spreading in MIMO OFDM–CDMA is that the maximum number of users supported is linearly proportional to the product of the S-domain, ... flexibility in user multiplexing and scheduling In addition, it offers better diversity/multiplexing trade-off The performance of MIMO OFDM–CDMA scheme using STFdomain spreading is investigated with...
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Báo cáo toán học: " Performance evaluation of space-time-frequency spreading for MIMO OFDM-CDMA systems" pptx
... number of users D Performance Evaluation for Zero Forcing Receiver In this section, we will calculate probability of bit error for Zero-Forcing receiver (ZF) [18,19] to examine the performance of ... N c , the OFDM-CDMA 60 Proposed OFDM-CDMA 2D OFDM-CDMA Number of Users 50 40 30 20 10 0 10 12 14 16 SNR dB Figure 10 System throughput comparison for OFDM-CDMA system with 4Tx, 4Rx of the proposed ... communications systems An important advantage of using STF-domain spreading in MIMO OFDM-CDMA is that the maximum number of users supported is linearly proportional to the product of the S-domain,...
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Báo cáo hóa học: " Research Article Design and Performance Evaluation of an Adaptive Resource Management Framework for Distributed Real-Time and Embedded Systems" pptx
... framework for open DRE systems Contributions of this paper to the study of adaptive resource management solutions for open DRE systems include the following (i) The design of a resource allocation ... DRE systems are implemented using RACE, they yield a predictable and high -performance system, even in the face of changing operational conditions and workloads (iii) The empirical evaluation of ... consisting of several interacting subsystems (both inflight and stationary) with a variety of complex QoS requirements As shown in Figure 3, the MMS mission consists of a constellation of five spacecrafts...
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Design and performance evaluation of energy aware DVS based scheduling strategies for hard real time embedded multiprocessor systems
... high -performance embedded systems increases, we observe an increasing number of systems incorporating multiple homogeneous or heterogeneous processing units on their platforms An example of one ... consists of a set of Nt dependent tasks {T1 , T2 , , TNt } connected by a set of ϱ edges {E1 , E2 , , Eϱ } Each edge Ei from Tj to Tk has a weight Ci , which represents the number of units of ... homogeneous multiprocessor systems and uniprocessor systems The problem of energyaware scheduling on homogeneous multiprocessor systems [4, 8, 12, 24, 28, 35] is a subset of energy-aware scheduling...
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Performance analysis of wind turbine systems under different parameters effect
... generating systems based on renewable energies [3], however, the modeling, simulation and analysis of a large variety of systems based on renewable energy and to manage these systems, the software ... the size and state of battery charge (SOC), the terminal voltage or currents absorbed by consumers One of the advantages of MATLAB software is that libraries offer a wide range of basic components ... wind speed of 12m/s which is rated speed Table shows the standard classification system for wind turbines and effect of diameter of power rating of wind generating [8] The diameter of swept area...
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Performance Analysis of Network-MIMO Systems
... thesis focuses on performance analysis of network MIMO systems Because Network-MIMO is an enhancement model of the original MIMO systems, we first analysis the theoretical of MIMO techniques ... signal are often presented by “black boxes” 2.2.1 MIMO systems Model We consider a MIMO systems with a transmit array of MT antennas and a receive array of MR antennas The block diagram of such ... reasons for this performance gap include the presence of co-channel interference (CCI), diminishing the effect of MIMO communications, and the limited number of degrees of freedom offered for inter-cell...
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Performance Evaluation of Active Suspension for Passenger Cars.Using MATLAB
... comprises the animation of both the systems along with the graphs of Displacement Vs time just below the animation window of each of the suspension system By comparing the performance of the passive and ... performance The PID approach of vehicle suspension control is widely used in background of many studies in vehicle suspension control The strength of PID approach is that the factors of the performance ... College of Engineering, Pune, India | Page Performance Evaluation of Active Suspension for Passenger Cars Using MATLAB model The main focus is to provide background for mathematical modeling of a...
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Tài liệu COMPARATIVE STUDY ON PERFORMANCE EVALUATION OF MUTUAL FUND SCHEMES OF INDIAN COMPANIES doc
... OBJECTIVES OF THE STUDY: To evaluate and compare the performance of equity diversified mutual fund schemes of selected companies To compare the performance of equity diversified mutual fund schemes of ... confidence and loyalty of the fund Manager and rewards- affects the performance of the MF industry in India Mehta Sushilkumar (2010) analyze the performance of mutual fund schemes of SBI and UTI and ... (2008) Performance of Indian Equity Mutual Funds vis-a-vis their Style Benchmarks The ICFAI Journal of Applied Finance , 49-81 [3] Madhumathi, S P (2005) Characteristics & performance evaluation of...
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Báo cáo khoa học: "QARLA:A Framework for the Evaluation of Text Summarization Systems" pdf
... Translation, the automatic evaluation of systems consists of computing some similarity metric between the system output and a human model summary Systems are then ranked in order of decreasing similarity ... summarisation systems and, at the same time, similarity metrics conceived as well to evaluate summarisation systems Therefore, testing the validity of the QARLA proposal implies some kind of meta-meta -evaluation, ... of the QARLA framework Even if the test is very limited by the number of topics, it confirms the potential of the framework, with the highest KING metric combination doubling the performance of...
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Báo cáo khoa học: "Corpus Effects on the Evaluation of Automated Transliteration Systems" docx
... vowels The full details of this system are not important for this paper; here we focus on the performance evaluation of systems, not the systems themselves 641 2.1 System Evaluation In order to ... of second languages: high familiarity with English, some knowledge of Arabic, and little or no prior knowledge of Dutch Also, the majority of them found the transliteration of English terms of ... transliterators were not told of the origin of each word The entire corpus, therefore, was easily separated into three sub-corpora of 500 words each based on the origin of each word To distinguish...
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Báo cáo toán học: " Recursive analytical performance evaluation of broadcast protocols with silencing: application to VANETs EURASIP Journal on Wireless Communications and " pptx
... derivation of an analytical performance evaluation framework based on the assumption of Poisson spatial distribution of the vehicles is not straightforward This work is motivated by the need of having ... main performance metrics of a family of probabilistic multihop broadcast protocols with applications to VANET scenarios First, we show that the average positions of a given number of points of ... Probability of retransmission (denoted as p) of the polynomial probabilistic protocol as a function of the distance d for several values of g Figure 5: Probability of retransmission (denoted as p) of...
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Báo cáo hóa học: " Research Article Performance Evaluation of Uplink Delay-Tolerant Packet Service in IEEE 802.16-Based Networks" potx
... statistical behavior of the BS grant buffer of a particular SS is independent from the behavior of those of the other SSs Therefore, we model the stochastic behavior of the BS grant buffer of a particular ... is the sum of the fixed time from the grant time of the tagged i-packet to the start of transmission of the i-packets in the next frame and the transmission times of the random number of ipackets ... terms of model probabilities, which are computed from the equilibrium distribution of a properly identified embedded Markov chain The analytical model is applied to the performance evaluation of...
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báo cáo hóa học:" Research Article Performance Evaluation of UML2-Modeled Embedded Streaming Applications with System-Level Simulation" pdf
... systemlevel analysis to enable successful performance evaluation of a modern SoC 2.2 Model-Based RTES Performance Evaluation Process RTES performance evaluation process must follow disciplined ... generic performance evaluation process consists of the following steps Some of the concepts of this and the next subsection have been reused and modified from the work in [13]: (1) selection of the evaluation ... RTES performance evaluation Performance Metamodel for Streaming Data Embedded Systems The foundations of the performance metamodel defined in this work is based on the earlier work on Model of Computation...
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Báo cáo hóa học: "Performance evaluation of time-multiplexed and data-dependent superimposed training based transmission with practical power amplifier model" doc
... variance of the soft symbol vector, di , to be equal to unity This improves the feedback performance when the soft bit estimates have very low reliability In our simulations, using soft symbol ... the performance results in all of the simulated cases One rather intriguing problem while planning the spectral efficiency comparison was the choice of the reference power The comparison of performance ... ] First we have to somehow s model the distribution of the cyclic mean of the transmitted sequence The probability of a certain combination of Nc symbols follows the multinomial distribution p(x1...
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Báo cáo hóa học: " Research Article Performance Evaluation of WiMAX Broadband from High Altitude Platform Cellular System and Terrestrial Coexistence Capability" ppt
... with reuse factor = 30 Figure 8: CIR performance of a HAP WiMAX system with reuse factor = 3.2 HAP uplink system performance evaluation Uplink performance of a HAP WiMAX system can be evaluated ... decrease in performance in the coexistence scenario can be observed because of the interference from the terrestrial system 4.3 HAP uplink coexistence evaluation Uplink coexistence performance of HAP ... CIRH performance of the HAP system for different values of D, obtained by increasing the reuse factor N It shows that a CIR increase of approximately dB can be achieved with each increment of N...
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Báo cáo hóa học: " Research Article Performance Evaluation of Super-Resolution Reconstruction Methods on Real-World Data" potx
... the performance of an SR reconstruction method on real-world data is measured 4.2.1 Setup 4.1 TOD method The TOD method is an evaluation method designed for system performance of a broad range of ... graphs show that the performance on real-world data can be approximated by the performance of a simulated data set The depicted performance of the two simulated data sets form a performance lower ... blur matrix that models the PSF of the camera system The regularization term on the right-hand side is PERFORMANCE EVALUATION EXPERIMENTS To measure the performance of SR reconstruction, several...
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Báo cáo hóa học: " ´ On the Use of Pade Approximation for Performance Evaluation of Maximal Ratio Combining Diversity over Weibull Fading Channels" potx
... comprehensive study of the performance of digital modulations over the Weibull slow flat-fading channel has been conducted It is well known that, in general, the performance of any communication ... a new set of results for the cases of odd and noninteger values of the Weibull fading parameter The PA technique indeed proves to be an invaluable tool in the performance analysis of communications ... Ismail and M M Matalgah, Performance evaluation of maximal ratio combining diversity over the Weibull fading channel in presence of co-channel interference,” in Proceedings of IEEE Wireless Communications...
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