performance evaluation of computer systems notes

Báo cáo sinh học: " Performance evaluation of space-time-frequency spreading for MIMO OFDM-CDMA systems" ppt

... *Corresponding authors: h Performance evaluation of space–time–frequency spreading for MIMOOFDM–CDMA systems Haysam Dahman∗and Yousef ShayanDepartment of Electrical Engineering, Concordia ... wireless communications systems. An important advantage of using STF-domain spreading in MIMO OFDM–CDMA is that the maximum number of users supported 11D. Performance Evaluation for Zero Forcing ... and full text (HTML) versions will be made available soon. Performance evaluation of space-time-frequency spreading for MIMOOFDM-CDMA systems EURASIP Journal on Advances in Signal Processing 2011,2011:139...

Báo cáo toán học: " Performance evaluation of space-time-frequency spreading for MIMO OFDM-CDMA systems" pptx

Danh mục: Toán học

... number of users.D. Performance Evaluation for Zero Forcing ReceiverIn this section, we will calculate probability of bit errorfor Zero-Forcing receiver (ZF) [18,19] to examine the performance of ... 2011:139http://asp.eurasipjournals.com/content/2011/1/139Page 12 of 13 RESEARCH Open Access Performance evaluation of space-time-frequencyspreading for MIMO OFDM-CDMA systems Haysam Dahman*and Yousef ShayanAbstractIn ... for OFDM-CDMA system with 4Tx, 2Rx of the prop osed scheme (solid) and 2D OFDM-C DMA (dotted) in aslow fading frequency-selective environment.SNRdBNumber of UsersProposed OFDM-CDMA2D OFDM-CDMA0246810...

báo cáo hóa học:" Research Article A Formal Model for Performance and Energy Evaluation of Embedded Systems" pot

Danh mục: Hóa học - Dầu khí

... using sharpe,” in Proceedings of the 11th Internat ional Conference on Computer Performance Evaluation. Modelling Techniques and Tools, vol. 1786 of Lecture Notes in Computer Science, pp. 345–349, ... 4.5). Finally, the model evaluation ismade by means of stochastic simulation (Section 4.3).4.3. Evaluation. The evaluation is made by means of sim-ulation. The facilites of CPN Tools have been ... inProceedings of the 30th Internat ional Conference on Applicationsand Theory of Petri Nets, vol. 5606 of Lecture Notes in Computer Science, pp. 313–322, Springer, 2009. EURASIP Journal on Embedded Systems...

Báo cáo hóa học: " Research Article Design and Performance Evaluation of an Adaptive Resource Management Framework for Distributed Real-Time and Embedded Systems" pptx

Danh mục: Hóa học - Dầu khí

Performance Evaluation of Active Suspension for Passenger Cars.Using MATLAB

Danh mục: Tài liệu khác

... 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 ... objectives of this project have been achieved. Dynamic model for linear quarter car suspensions systems has been formulated and derived. Only one type of controller is used to test the systems performance ... [5] Prof. Dr. Yahaya Md. Sam, “Robust Control of Active Suspension System for A Quarter Car Model”, Thesis from University Teknology Malaysia, December 2006. Performance Evaluation of Active...

Tài liệu COMPARATIVE STUDY ON PERFORMANCE EVALUATION OF MUTUAL FUND SCHEMES OF INDIAN COMPANIES doc

Danh mục: Quỹ đầu tư

... [47] COMPARATIVE STUDY ON PERFORMANCE EVALUATION OF MUTUAL FUND SCHEMES OF INDIAN COMPANIES Prof. Kalpesh P Prajapati, Assistant Professor, S.V Institute of Management, Gujarat Technological ... source of data is website of Association of Mutual Funds in India (AMFI). The study period is 1st January 2007 to 31st December, 2011. The results of performance measures suggest that most of ... Characteristics & performance evaluation of selected Mutual Funds in India . 9th Indian Institute of Capital Market Conference. [4] Michael, C. J. (1967). The Performance of Mutual Funds in...

Báo cáo khoa học: "Comparing Automatic and Human Evaluation of NLG Systems" potx

Danh mục: Báo cáo khoa học

... to be popular today.Other, extrinsic, types of human evaluations of NLG systems include measuring the impact of different generated texts on task performance (Young, 1999), measuring how much ... 2005 NIST MT evaluation exercise, usedBLEU-4 as the only method of evaluation. BLEUis a precision metric that assesses the quality of atranslation in terms of the proportion of its word n-grams ... and Human Evaluation of NLG Systems Anja BelzNatural Language Technology GroupCMIS, University of BrightonUKA.S.Belz@brighton.ac.ukEhud ReiterDept of Computing ScienceUniversity of AberdeenUKereiter@csd.abdn.ac.ukAbstractWe...

Báo cáo khoa học: "Validating the web-based evaluation of NLG systems" potx

Danh mục: Báo cáo khoa học

... task-based evaluations of NLG systems over the Internetis a valid alternative to more traditional laboratory-based evaluations. Speciﬁcally, we have shownthat an Internet-based evaluation of systems ... increasedamount of data also makes it possible to comparethe quality of NLG systems across different evalua-tion worlds and users’ language proﬁciency levels.We believe that this type of evaluation ... argue thatan evaluation that is based almost exclusively on na-tive speakers in universities leads to overly benignjudgments about the quality of NLG systems. One advantage of the Internet-based...

Báo cáo toán học: " Recursive analytical performance evaluation of broadcast protocols with silencing: application to VANETs EURASIP Journal on Wireless Communications and " pptx

Danh mục: Toán học

... average number of reached nodes—it is a sort of approximated indicator of the “depth” of the propagation process. Since the RE can beinterpreted as the ratio between the average number of reached ... approach is extensively described, for the evaluation of D,in Appendix 4, but can be directly re-adapted for the evaluation of RE and TE. In the remainder of thissubsection, we outline the ﬁnal ... conditions—this is the very idea of IF. The shape of p, as a function of d, is shown in Figure 5, for diﬀerent values of cand ρs. It can be observed that the PAF of SIF is monotonically increasing...

Báo cáo hóa học: " Research Article Performance Evaluation of Uplink Delay-Tolerant Packet Service in IEEE 802.16-Based Networks" potx

Danh mục: Hóa học - Dầu khí

... is the sum of the fixed time from the grant time of the tagged i-packetto the start of transmission of the i-packets in the next frameand the transmission times of the random number of i-packets ... statistical behavior of the BS grantbuffer of a particular SS is independent from the behavior of those of the other SSs. Therefore, we model the stochasticbehavior of the BS grant buffer of a particular ... range of loads. In this case, theoptimal value of the total amount of real-time capacities canbe determined.In case of a more general QoS requirement (delay con-straint), the optimal set of...

báo cáo hóa học:" Research Article Performance Evaluation of UML2-Modeled Embedded Streaming Applications with System-Level Simulation" pdf

Danh mục: Hóa học - Dầu khí

... performance evaluation process consists of thefollowing steps. Some of the concepts of this and the nextsubsection have been reused and modiﬁed from the work in[13]:(1) selection of the evaluation ... modelling for performance evaluation of real-time embedded systems, ” EURASIP Journalon Embedded Systems, 2008.[20] G. Madl, N. Dutt, and S. Abdelwahed, Performance estima-tion of distributed ... Framework for Model-Driven SoC Performance Evaluation and ExplorationThe presented performance evaluation models are used forearly analysis of data intensive embedded systems. Figure 10presents...

Báo cáo hóa học: "Performance evaluation of time-multiplexed and data-dependent superimposed training based transmission with practical power ampliﬁer model" doc

Danh mục: Báo cáo khoa học

... usingˆd0to generate soft coded bit estimatesˆ˜b in thesoft symbols-to-bits block. These are then provided to the soft-input soft-output (SISO) decoder fromwhich we obtain our ﬁrst soft decoded bit ... Figure 10 we have shown the performance with higher order modulations. Here, the performance of LDDST compared to DDST is quite similar. Clearly, both DDST based systems improvesthe spectral ... 250 àsOrder of the RRC lter 64RRC roll-o 0.1Symbols per frame 4,500TDMT pilot symbols per frame 450Number of feedback iterations 5No. of subbands in the analysis bank 1,024No. of subbands...

Báo cáo hóa học: " Research Article Performance Evaluation of WiMAX Broadband from High Altitude Platform Cellular System and Terrestrial Coexistence Capability" ppt

Danh mục: Hóa học - Dầu khí

... CIRH performance of the HAP system for diﬀerent values of D, obtained byincreasing the reuse factor N. It shows that a CIR increase of approximately 2 dB can be achieved with each increment of N ... performance (reuse factor= 3)−30−20−100102030Distance from SPP of HAP (km)−30 −20 −10 0 10 20 30Distance from SPP of HAP (km)46810121416182022Figure 8: CIR performance of ... of CIRHand CINRH of HAP WiMAXsystem (refuse factor= 3)00.20.40.60.81Pr (CIRHor CINRH<X)4 6 8 10121416182022X (dB)CIRHCINRHFigure 9: CDF of CIR and CINR performance of...