Xem 1-20 trên 35 kết quả Broadband applications
  • Fiber Parameters Required To Design an Optical System Different Fiber Types SMF Standard DCF Highest Negative DCF DCF for Broadband Applications Non Zero Dispersion Shifted Fiber with Large Effective Area (+D NZDSF) Non Zero, Negative Dispersion Fiber for Metropolitan Network (-D NZDSF) Conclusion

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  • Flexible and scalable wide area network using satellite backhauls and configurable wireless ground access. Supports broadband multimedia applications and all-IP based mobility management.

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  • Broadband Wireless Mobile (3G and 4G) will be the next key developments in wireless communications. Immense interest has been fuelled by large demand for high frequency utilisation as well as a large number of users requiring simultaneous multidimensional high data rate access for the applications of wireless mobile internet and e-commerce. Broadband wireless mobile extends the corporate LAN to common areas such as meeting rooms and enables in-building public wireless hotspots such as airport lounges to provide wireless portable computer connectivity...

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  • With its active, hands-on learning approach, this text enables readers to master the underlying principles of digital signal processing and its many applications in industries such as digital television, mobile and broadband communications, and medical/scientific devices. Carefully developed MATLAB® examples throughout the text illustrate the mathematical concepts and use of digital signal processing algorithms.

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  • Automation is the use of control systems (such as numerical control, programmable logic control, and other industrial control systems), in concert with other applications of information technology (such as computer-aided technologies [CAD, CAM, CAx]), to control industrial machinery and processes, reducing the need for human intervention. In the scope of industrialization, automation is a step beyond mechanization.

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  • Nortel is a recognized leader in delivering communications capabilities that enhance the human experience, ignite and power global commerce, and secure and protect the world’s most critical information. Serving both service provider and enterprise customers, Nortel delivers innovative technology solutions encompassing end-to-end broadband, Voice over IP, multimedia services and applications, and wireless broadband designed to help people solve the world’s greatest challenges.

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  • The information in this publication is believed to be accurate as of its publication date. Such information is subject to change without notice and The ATM Forum is not responsible for any errors. The ATM Forum does not assume any responsibility to update or correct any information in this publication. Notwithstanding anything to the contrary, neither The ATM Forum nor the publisher make any representation or warranty, expressed or implied, concerning the completeness, accuracy, or applicability of any information contained in this publication.

    pdf39p hallo 01-03-2009 43 6   Download

  • CHALLENGE A major global enterprise-network service provider needs to deploy both metro- and regional-access rings to meet a customer’s demand for a highly reliable network to support critical enterprise applications. This includes interconnection of its mainframe systems and storagearea networks. STRATEGY Engage a professional services partner with in-depth technical expertise and proven experience to complete the project on-time, on-budget while delivering superior quality to meet the end customer’s needs.

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  • WiMAX (Worldwide Interoperability for Microwave Access) is a wireless broadband access network named by industry group called the WiMAX forum formed in June 2001. It is Wireless MAN with IEEE 802.16 family standards. Loosely, WiMAX is a standardized wireless version of Ethernet that enables the last mile, intended primarily as an alternative to wire technologies (such as Cable Modems, DSL and T1/E1 links ) to provide broadband access to customer premises.

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  • Deployment of a modern broadband network provides both opportunities and challenges. Because the network is used to deliver a range of services beyond CATV, it must be both versatile and highly reliable. A flexible design allows reconfiguration both to accommodate technological change and to meet changing business requirements. Return plant and the management of return plant signals used to deliver advanced services are particularly important, as is signal level management in the headend. This application note addresses these issues....

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  • This application note provides detailed alternatives for transporting the Soneplex Broadband and Soneplex Loop Extender alarm and performance information from a remote location back to the central/hubbing location. The Soneplex Broadband System is used as an intelligent network hub for DS1 hicap distribution in the local loop. The network interface is one standard electrical DS3 signal. This DS3 signal is demultiplexed into twenty-eight DS1 circuits, which can then be delivered to up to twenty-eight remote locations utilizing either fiber or copper facilities....

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  • In many applications, T1 repeater and other hicap transmission equipment lines are terminated in remote cabinets in 3192-style shelves or racks. Now, with the recent introduction of the Soneplex 3192R HDSL remote module, HDSL circuits originating from a Soneplex central office terminal (COT) module can be terminated remotely in 3192-style shelves. The 3192 shelf is a standard shelf configuration commonly used in the industry. 3192 shelves support 28 module slots and each slot is provided power, local alarm contact points and circuit pin-outs for loop and line wiring for the module....

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  • This book collects original and innovative research studies concerning advanced technologies in a very wide range of applications. The book is compiled of 22 chapters written by researchers from different areas and different parts of the world. The book will therefore have an international readership of a wide spectrum.

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  • You have chosen an exciting moment in computing history to embark on a study of network programming. Machine room networks can carry data at speeds comparable to those at which machines access their own memory, and broadband now reaches hundreds of millions of homes worldwide. Many casual computer users spend their entire digital lives speaking exclusively to network services; they are only vaguely aware that their computer is even capable of running local applications.

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  • Broadband, Multimedia Networks and the B-ZSDN The emergence of ‘multimedia’ computers and software which use all sorts of different audio, data, image and video signals simultaneously has heralded a new generation of computers and computer ‘applications’ and spurred the need to develop and deploy a new universal technology for telecommunications

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  • Fixed Wireless Access Systems The goal of this chapter is to review the main techniques used for Wireless Local Loop (WLL) including the Multichannel Multipoint Distribution Service (MMDS), and the Local Multipoint Distribution Service (LMDS). We also present the main aspects, advantages and disadvantages, and applications of these techniques. The chapter also deals with the wireless local loop subscriber terminals, Wireless Local Loop Interfaces to the Public Switched Telephone Network (PSTN), and the IEEE 802.16 standards on Broadband Wireless Access.

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  • Wireless mesh networks (WMNs) have recently received a great deal of attention as a promising cost-effective solution to provide coverage and broadband wireless connectivity for mobile users to get access to different IP applications and services. The factor that has helped WMNs become attractive is the wide application prospects from the wireless community, home and enterprise networking.

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  • Summary and Introduction Broadband wireless communications have gained an increased interest during the last few years. This has been fuelled by a large demand on high frequency utilisation as well as a large number of users requiring simultaneous high data rate access for the applications of wireless mobile Internet and e-commerce.

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  • Voice and Data Convergence The subject of this book is all about the convergence of voice and data services into a new world of advanced (and hopefully useful) applications that will enrich the way people work and communicate. So a specific chapter entitled voice and data convergence could jar a little with the reader, however, this chapter was prompted by the words in the International Telecommunications Union telecommunications (ITU-T) I.121 specification ‘‘The need to integrate both circuit- and packet-transfer mode into one universal broadband network’’....

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  • Deploying fiber to MDUs, such as apartment complexes, condominiums, townhouses, and other multi-family locations, represents a lucrative market for broadband service providers. At the same time, these applications present unique challenges in both greenfield and overbuild scenarios. This paper addresses the key elements of MDU construction practices, including the physical plant from backbone to premise and the architectural decisions required for a successful MDU application. It will also cover additional network considerations for equipment and connectivity techniques....

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