real time operating system applications ppt

... applied in the context of soft real- time multimedia applications. To achieve this target, we designed and implemented the proposed mid- dleware on top of uClinux operating system running on a prototype ... i on Communication & synchronization Operating system 1 Operating system N Processor 1 Processor N Private memory 1 Private memory N Shared memory Applications OS/ middleware HW ··· ··· ··· ··· (b) Figure ... systems is evaluated when applied to a real- world soft real- time ap- plication. Compared to [11], our migration strategy is im- plemented at the operating system and middleware level. Checkpoints...

Ngày tải lên: 22/06/2014, 05:20

... signal processing for high data rate communication systems. He is inter- ested in MIMO and SDMA systems and their realization in real- time applications. Lars Br ă uhl received the Dipl Ing. (M.S. E.E.) ... on future projects is presented. 2. OVERVIEW OF THE SABA REAL- TIME MIMO TESTBED The SABA (smart a ntennas for broadband access) real- time MIMO testbed is designed for one base station with an ... (SC-FDE) transmission, symbol decision is realized in the time domain; therefore, the data has to be transformed back to the time do- main. In OFDM systems, symbol decision is made in the fre- quency...

Ngày tải lên: 22/06/2014, 23:20

Ngày tải lên: 11/08/2014, 00:22

... network operating system. Just as a computer cannot operate without an operating system, a network of computers cannot operate without a network operating system. Every network operating system ... network operating system s manufacturer, a desktop computer’s networking software can be added either to the computer’s own operating system or be integrated with it. Network operating system ... its operating system: the software that controls its hardware. As its name suggests, the operating system operates the computer. It loads applications into the computer’s memory, runs these applications, ...

Ngày tải lên: 09/12/2013, 17:15

... identify the system& apos;s dynamic range. 1.3.3 Real- Time Constraints A limitation of DSP systems for real- time applications is that the bandwidth of the system is limited by the sampling rate. The ... that 12 INTRODUCTION TO REAL- TIME DIGITAL SIGNAL PROCESSING Contents Preface xv 1 Introduction to Real- Time Digital Signal Processing 1 1.1 Basic Elements of Real- Time DSP Systems 2 1.2 Input and ... INTRODUCTION TO REAL- TIME DIGITAL SIGNAL PROCESSING 1 Introduction to Real- Time Digital Signal Processing Signals can be divided into three categories ± continuous -time (analog) signals, discrete-time...

Ngày tải lên: 18/01/2014, 20:20

... Accept upgrade transfer from other hosts Enabled Actions [U] System XMODEM upgrade [D] Download test subsystem (XMODEM) [T] System TFTP upgrade [X] Exit to Main Menu Enter Selection: ... and Intermediate Routing v 3.0 - Lab 6.2.7a Copyright  2003, Cisco Systems, Inc. Lab 6.2.7a Managing Switch Operating System Files Objective ã Create and verify a basic switch configuration. ... An example of the Firmware Configuration Menu is: Catalyst 1900 - Firmware Configuration System Information FLASH: 1024K bytes V8.01.00 : Enterprise Edition Upgrade status: No upgrade...

Ngày tải lên: 24/01/2014, 19:20

... Access Time Static RAM (SRAM) 5-15 ns Dynamic RAM (DRAM) 50-70 ns Read only memory (ROM) 55-250 ns Hard disk drives 6-12 ms CD ROM drives 80-800 ms Tape drives 20-500 s Typical Access Times for ... two drive interface standards. This lesson includes the following sections: ã Average Access Time ã File Compression ã Data-Transfer Rate ã Drive-Interface Standards File Compression ã File ... interface standards are EIDE (Enhanced Integrated Drive Electronics) and SCSI (Small Computer System Interface). ã EIDE has evolved over the years and has several variants, all of which have...

Ngày tải lên: 16/02/2014, 08:20

... range of real- time capabilities, such as QoS-enabled network protocols, real- time operating system scheduling mechanisms and policies, and real- time middle- ware services, across the system domain. ... “Dy- namic integrated scheduling of hard real- time, soft real- time and non -real- time processes,” in Proceedings of the 24th IEEE International Real- Time Systems Symposium (RTSS ’03),pp. 396–407, ... capabilities of the system (such as operating system scheduling mechanism and poli- cies), they are not sufficient for DRE systems as these systems require integrating a range of real- time capabilities...

Ngày tải lên: 22/06/2014, 00:20

... are now staring in the face of a more sophisticated era of real- time search that will further advance, localize and personalize over time. And, everything starts with the experimentation of ... integrate tweets into keyword related Google searches. And last month, Google also integrated real- time search technology to surface blog posts and news content as they hit the Web – dramatically ... take to crawl the Web. I should also note that Collecta also offers the ability to search the real- time Web, but its results also include popular networks within the social Web. Between Google...

Ngày tải lên: 28/06/2014, 17:20

Ngày tải lên: 01/07/2014, 17:20

Ngày tải lên: 01/07/2014, 17:20

Ngày tải lên: 01/07/2014, 17:20

Ngày tải lên: 01/07/2014, 17:20

Ngày tải lên: 01/07/2014, 17:20

Ngày tải lên: 01/07/2014, 17:20

Ngày tải lên: 03/07/2014, 07:20

Ngày tải lên: 28/07/2014, 04:21

Ngày tải lên: 28/07/2014, 04:21

... Corporation EURASIP Journal on Embedded Systems Volume 2008, Article ID 502768, 2 pages doi:10.1155/2008/502768 Editorial Operating System Support for Embedded Real- Time Applications Alfons Crespo, 1 Ismael ... that these systems are usually an integr al part of a larger system. We can find a large variety of applications where embed- ded systems play an important role, from small stand-alone systems, ... is placing enormous demands on the facilities that an embed- ded operating system must provide. Embedded systems can be defined as computing systems with tightly coupled hardware and software that are...

Ngày tải lên: 21/06/2014, 22:20

... â2005 Operating System Concepts 7 th Edition, Jan 1, 2005 Chapter 19: Real Chapter 19: Real - - Time Systems Time Systems  System Characteristics  Features of Real- Time Systems  Implementing Real- Time ... of real- time systems  To distinguish between hard and soft real- time systems  To discuss the defining characteristics of real- time systems  To describe scheduling algorithms for hard real- time ... processor time. 19.11 Silberschatz, Galvin and Gagne â2005 Operating System Concepts 7 th Edition, Jan 1, 2005 Implementing Real Implementing Real - - Time Time Operating Systems Operating Systems ...

Ngày tải lên: 28/06/2014, 02:20