real time and performance analysis in heterogeneous embedded systems

... design time of millions of years It is capable of forming images, extracting shapes, recognising objects, inferring meaning and intent to observed motion, and using this information to interact ... defence sector, including naval, airborne and land defence Changing customer requirements in recent years have lead to an increase in the processing capability included in the systems they develop ... considering the domain of image processing algorithms in more detail Figure 2.1 shows a standard machine vision processing pipeline, as described by Awcock and Thomas in 1995, and still widely in...

Ngày tải lên: 22/12/2014, 18:54

... estimation and correction Having a preamble of the form shown in Figure at the beginning of each superframe, we are able to estimate the frequency offset using the same procedure as in timing offset ... 4G system developed in the WINNER project have been introduced A new time metric and pilot symbol design for coarse timing synchronisation, as well as new carrier and sampling frequency offset ... estimation of time and frequency offset in OFDM systems, ” IEEE Transactions on Signal Processing, vol 45, no 7, pp 1800– 1805, 1997 [4] T M Schmidl and D C Cox, “Robust frequency and timing synchronization...

Ngày tải lên: 21/06/2014, 22:20

... Design and Performance Analysis of DF Relay Communication Systems Transmitting signals through multiple relays is a way to obtain the space diversity and is effective in mitigating the signal fading ... result, we point out and emphasize the importance of retaining the instantaneous information of the source-relay link for the detection at the destination This point has been overlooked in many works ... respectively obtained with binary signalling including noncoherent BFSK, coherent BFSK and coherent BPSK The ABEP results for a single relay system in [52] amounts to those in [25] and [26] for different...

Ngày tải lên: 10/09/2015, 08:25

... Brandt, S Banachowski, C Lin, and T Bissom, “Dynamic integrated scheduling of hard real- time, soft real- time and non -real- time processes,” in Proceedings of the 24th IEEE International Real- Time ... Gu, and K G Shin, “Improving scalability of task allocation and scheduling in large distributed real- time systems using shared buffers,” in Proceedings of the 9th Real- time/ Embedded Technology and ... technology include (1) standardized interfaces for application component interaction, (2) model-based tools for deploying and interconnecting components, and (3) standards-based mechanisms for installing,...

Ngày tải lên: 22/06/2014, 00:20

... required materials on time, minimize the inventory cost  Marketing: Logistics includes making plans, implementing it and controlling the delivery of goods from the point of original as raw materials ... planning, implementing and controlling the efficient, III Nguyen Thi Minh Thanh – A1K42BBE cost-effective flow and storage of raw materials, in- process inventory, finished goods, and related information ... “supply chain process” - the process of planning, implementing and controlling the efficient cost, effective flow and storage of raw materials, in process inventory, finished goods, and related information...

Ngày tải lên: 27/10/2012, 16:51

... the MIMO E-SDM performance in timevarying environments We conducted SISO and MIMO measurement campaigns at a 5.2 GHz frequency band in an indoor timevarying fading environment In our measurement ... the system performance in an indoor timevarying fading environment is given in Section Based on the measured data, the performance of MIMO E-SDM systems in the environment is evaluated in Section ... thermal noise included in the raw measurements We examined both SISO and real × MIMO systems For the MIMO case, the antenna spacing was and cm (half- and one wavelength at GHz), and two array...

Ngày tải lên: 21/06/2014, 18:20

... implemented by binding the real- time IRQ and the real- time tasks to one or more “shielded” processors, which never handle nonrealtime IRQs or tasks Of course, the nonreal -time IRQs and nonreal -time tasks ... external interrupt signal Aon A process running inside a real- time ASMP-Linux partition with local timer interrupts enabled Aoff A process running inside a real- time ASMP-Linux partition with local timer ... applications Real- time systems and applications can be classified in several ways One classification divides them in two classes: “hard” real- time and “soft” real- time A hard real- time system is...

Ngày tải lên: 22/06/2014, 19:20

... degree in electronics and communication engineering from Government College of Engineering, Tirunelveli, in the year 1986, and an M.S degree in electronics and control engineering from Birla Institute ... Engineering, College of Engineering, Anna University, Chennai, India She has published over 18 research papers in national and international conferences and journals Her areas of interest include ... differences in the algorithms are in assigning priority between data packets In no-priority scheduling, both control and data packets are served in FIFO order In the priority scheduling, control and...

Ngày tải lên: 23/06/2014, 00:20

... and sexual reproduction within Brachiaria makes it an interesting system for understanding the molecular pathways involved in both modes of reproduction The identification of genes involved in ... dissociation curve and agarose gel electrophoresis Real- time PCR conditions and analysis PCR reactions were performed in 96-well plates with the Chromo4 Real- Time PCR Detector System (BioRadđ) using SYBRđ ... real- time PCR analysis, and three technical replicates were analyzed for each biological replicate Reactions were run in a BioRad qRT-PCR machine using the following cycling parameters: 94C for min,...

Ngày tải lên: 12/08/2014, 03:20

... time- varying fading We compare our algorithms with existing block-by-block detection algorithms, in terms of detection delay, complexity and performance We then go into performance analysis in ... Rayleigh fading in [51] and Nakagami-m fading in [52], assuming perfect knowledge of the CSI However, in practice, CSI is obtained using pilots that require energy The quality of CSI, in terms of ... receiver design for flat fading in this thesis Similarly, in the performance analysis for flat fading channels, there remain many unsolved problems We want to obtain the performance in a simple closed...

Ngày tải lên: 10/09/2015, 15:51

... spectrum sensing policy during the whole channel access time In this case, longer sensing time leads to higher sensing accuracy, and hence results in less interference However, as the sensing time becomes ... available spectrum band in out-of-band sensing The first issue is related to the sensing-throughput tradeoff problem studied in [14] Generally, in- band sensing aims at the performance optimization ... Electrical and Computer Engineering and Ambient Intelligence Lab at the Interactive and Digital Media Institute, and also go to the research group at I2 R A-STAR for their generous help and warm...

Ngày tải lên: 10/09/2015, 15:53

... antennas are combined according to certain combination rules, such as selection combining (SC), equal gain combining, (EGC) and maximum ratio combining (MRC) All of these combining schemes show ... thus the results in [42–44] provide limited insight into the structure of STC systems 1.1 MIMO Systems and Space -Time Coding Most of the performance analysis for STC systems is in terms of PEP, ... MIMO systems, which are generally referred to as space -time coding 1.1 MIMO Systems and Space -Time Coding schemes More detailed literature reviews on space -time coding schemes will be given in...

Ngày tải lên: 14/09/2015, 14:05

... infinite words and infinite trees in section 2.1, and logics over infinite words and trees in section 2.2 The purpose is mainly to fix notations and terminologies The tools in section 2.1 and ... 2.2 Logics over Infinite Words and Infinite Trees In this section, we introduce logics over infinite words and infinite trees We shall need only LTL (linear time temporal logics) and QPLTL (quantified ... synthesis in a precise manner 2.1 Automata on Infinite Words and Infinite Trees Here we review automata running over infinite words and infinite trees We shall need only automata with B¨ uchi and Rabin...

Ngày tải lên: 30/09/2015, 05:46

Ngày tải lên: 08/03/2016, 10:36

... Numerical Methods Real- Time and Embedded Systems Programming Numerical Methods Real- Time and Embedded Systems Programming Featuring in- depth coverage of: l Fixed and floating point mathematical ... writing arithmetic routines for real- time embedded systems With instruction cycle times coming down and clock rates going up, it would seem that speed is not a problem in writing fast routines In ... fixed point (including integeronly arithmetic and modular) and floating point Fixed Point Fixed-point implies that the radix point is in a fixed place within the representation When we’re working...

Ngày tải lên: 08/03/2016, 10:36

... and its heterogeneous termination LV isovolumic 338 time intervals were found to be increased at the expense of LV diastolic time in heart failure patients (17,18) Since our findings and other ... rest or during exercise or the exercise-related increase in EDVI and the corresponding LDT values were found in both IDCM subgroups Results Systolic and diastolic time intervals The clinical characteristics ... systolic time and heart rate and expressed in seconds per minute Diastolic time was calculated as the cardiac length (RR interval) minus the duration of systole To define diastolic duration during...

Ngày tải lên: 05/11/2012, 11:32

... understanding of generalizable changes of performance over time, this paper examines the nature of the relationship between performance and time over the span of employees’ careers Page Time and Performance ... Page 10 Time and Performance CAHRS WP 01-05 linear relationship between age and performance after controlling for the effects (and in particularly, non-linear effects) of job experience and organizational ... Page 13 Time and Performance CAHRS WP 01-05 relate to performance To provide a balance between finding data sets allowing comprehensive tests and producing results generalizing to other settings,...

Ngày tải lên: 11/09/2013, 11:44

... following standard portfolio problem: the investor has an increasing and concave utility function u He can invest his initial endowment in a risk-free asset M (for example, a monetary asset) and in ... trademarks, and are used only for identification and explanation without intent to infringe Library of Congress Cataloging in Publication Data Prigent, Jean‑Luc, 1958‑ Portfolio optimization and performance ... 100 Indexed funds and benchmarking 4.1 Indexed funds 4.1.1 Tracking error 4.1.2 Simple index tracking methods 4.1.3 The threshold accepting algorithm 4.1.4 Cointegration...

Ngày tải lên: 04/12/2013, 23:54

... with increasing grain size, and fine-graining transferring information with decreasing grain size Sometimes, upscaling and downscaling refer specifically to coarse-graining and fine-graining, ... errors in sampling and measurements, distortions in data resampling, and flaws in statistical analysis and modeling (Jelinski and Wu 1996, Wu 2004) Characteristic scales and scale effects are inherently ... done, finding the indefinite integrals of nonlinear models, in general, is a formidable task If the closed-form indefinite integrals cannot be found, approximating the double definite integral...

Ngày tải lên: 17/02/2014, 19:20