Telecom services

Xem 1-20 trên 31 kết quả Telecom services
  • I started exploring telecommunications’ frontiers at the tender age of nine, way back in 1964. That was the year I visited the New York World’s Fair and found myself, quite unexpectedly, drafted into a corporate public relations demonstration. Back then, nearly all U.S. telecommunications—hardware, software and service—was concentrated in the hands of a giant monopoly—the American Telephone and Telegraph Co. AT&T’s showplace at the fair was the Bell System Pavilion. (Fig. Intro.-1).

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  • One of the most exciting dynamics of the telecommunications industry is change. While a large portion of the industry is steady and predictable, the introduction of new technology, new applications and new vendors into any environment creates opportunities to improve the performance of telecom services and departmental operations. Discovering a better, faster and more cost effective solution is always an exciting moment.

    pdf3p thuyvan 12-08-2009 43 3   Download

  • "In the last few years we have heard fantastic things about 3 generation systems and the incredible services they will provide. Unfortunately most of these were just that: fantastic and incredible. On the other hand most of us missed the point of what the next generation mobile can enable and what real new services are becoming possible. This book is a must read if you want to understand options, future services and dream about them from a rock solid standpoint" Roberto Saracco, Director, Future Centre, Telecom Italia Lab ...

    pdf0p aries23 29-09-2012 29 2   Download

  • Công ty VMS (VietNam Mobi telecom Service ) được thành lập năm 1993, là sự kết hợp giữa tập đoàn VNPT và tập đoàn Convik ( Thụy Điển )....

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  • Ngày 16/04/1993, theo quyết định số 321/TCCB-LĐ của Tổng Giám Đốc Tổng Công Ty Bưu Chính Viễn Thông Việt Nam đã ký quyết định thành lập Công ty Thông tin di động trực thuộc Tổng công ty Bưu Chính Viễn Thông Việt Nam, với tên giao dịch quốc tế là VIETNAMMOBILE TELECOM SERVICES CO. (VMS), thương hiệu là MobiFone (VMS-MobiFone).

    pdf30p hoamihothay 03-10-2012 157 90   Download

  • CHƯƠNG 2: TỔNG QUAN VỀ TÌNH HÌNH HOẠT ĐỘNG CỦA CÔNG TY VMS – MOBIFONE VÀ THỊ TRƯỜNG VIỄN THÔNG DI ĐỘNG VIỆT NAM 2.1 Tổng quan về công ty VMS – Mobifone và Trung tâm thông tin di động Khu vực III 2.1.1 Lịch sử hình thành Công ty Thông tin di động (Vietnam Mobile Telecom Services Company VMS) là doanh nghiệp Nhà nước hạng một trực thuộc Tập đoàn Bưu chính Viễn thông Việt nam (VNPT). Được thành lập vào ngày 16 tháng 04 năm 1993, VMS đã trở thành doanh nghiệp đầu tiên khai thác dịch vụ...

    pdf35p ttcao10 28-08-2011 147 77   Download

  • Công ty Thông tin di động (Vietnam Mobile Telecom Services Company - VMS) là doanh nghiệp Nhà nước hạng một trực thuộc Tập đoàn Bưu chính Viễn thông Việt nam (VNPT). Được thành lập vào ngày 16 tháng 04 năm 1993, VMS đã trở thành doanh nghiệp đầu tiên khai thác dịch vụ thông tin di động GSM 900/1800 với thương hiệu mobifone, đánh dấu cho sự khởi đầu của ngành thông tin di động Việt Nam.

    pdf95p hotmoingay6 21-01-2013 125 28   Download

  • The book begins with a review of three-dimensional Particle Image Velocimetry (PIV). PIV has become a standard technique over recent decades, and is useful for studies in which an optically clear fluid can be seeded with small, neutrally buoyant particles. Applications have included shipping and aircraft design, and simulation of cardiovascular flow dynamics.

    pdf390p contentnew 12-04-2012 64 20   Download

  • IMS – the IP Multimedia Subsystem of the 3GPP family of telecommunication standards – may very well be at the same time the worst and the best kept secret of the telecom world. “Secret” because it is essentially designed to be invisible – the modern version of the infrastructure that delivers communication to the world. “Worst kept” because it has dominated the strategies for communication evolution in the past years, and has thus been very visible, at least to those in the industry.

    pdf504p hotmoingay 03-01-2013 59 15   Download

  • Th is is not the fi rst attempt to build the Next-Generation Network (NGN). Back in the 1980s, when the carriers controlled innovation, they had come up with a wonderfully complex architecture for voice, data, and video services, called the Broadband Integrated Services Digital Network (Broadband ISDN).

    pdf314p transang3 30-09-2012 32 10   Download

  • The telecom industry is on the rebound and the demand for more and newer wireless services is ever increasing. To meet these market demands, wireless providers have to deploy advanced radio access networks to enhance the mobile communications infrastructure. This forward-looking book delivers a comprehensive overview of the evolution of mobile radio access networks, focusing on high-level architectural issues that engineers and managers need to understand.

    pdf263p transang5 23-11-2012 35 8   Download

  • Then at the end of 2001, FSM Telecom discovered ADC’s compact GSM and CDMA systems for developing countries and hard-to-serve areas. The result was that FSM Telecom could costeffectively build small-scale networks throughout the islands that could contend with the extreme climate conditions. In addition, satellite backhaul is optimized and implemented cost-effectively due to the advanced compression technology in the ADC system.

    pdf2p maiphuong 14-08-2009 57 7   Download

  • The objective of the study: Analyze and evaluate the competitiveness of the state providing mobile communication services of a telecom company in Vietnam, comparing the strengths and weaknesses of the provision of services between the companies together and find out the problems to be solved in order to improve their competitiveness;...

    pdf0p nguyenthiminh32 12-07-2014 24 5   Download

  • As the landscape of telecommunications service providers and service offerings evolves, the financial impact of change should be considered. Changes in service provider invoices that reflect administrative and financial impact created by service changes contributes to the overall complexity of financial management. Each time a service provider rolls out a new service offering, repackages existing technology or improves their service in any way, the financial management points to monitor and report upon also change.

    pdf4p thuyvan 12-08-2009 73 2   Download

  • An invaluable confusion-lifting tutorial on Bluetooth, the personal area wireless networking standard that enables seamless communication of voice, e-mail, internet access, etc., between mobile phone, desktop PCs, and PDAs. *Details the pros and cons of the Bluetooth approach, taking readers through what kinds of services are ideally suited to Bluetooth. *A must for telecom engineers, managers, technicians, ISPs, and employees of the 1000+ Bluetooth Special Interest Group (SIG) companies, this guide also features sweeping coverage of applications and forthcoming products...

    pdf405p trannhu 05-08-2009 413 116   Download

  • Convergence is a word many of us in the industry grow weary of hearing. It oozed from the mouths of marketers during the dot-com explosion and even during its violent implosion. Now, as our market moves from survival to recovery mode, the word has begun to take on a life of its own once again. It seems that convergence is as popular in the telecom world as other over-used catch phrases such as Next-Generation Networks (NGN), Quality of Service (QoS), and Scalable Networks.

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  • As an extremely large number of network equipment are installed by telecom carriers to build a mobile communications network, there is a significant number of NEs that affect communication services because of faults. It is important to monitor network equipments 24 hours a day to ensure the stable provision of high-quality services. Operation And Maintenance (OAM) by the Operation System (OpS) is therefore essential in communication networks nowadays. Hitherto, mobile carriers had to resort to labor-intensive means to maintain the service quality whenever the network was expanded....

    pdf29p tienvovan 18-09-2010 62 27   Download

  • Chapter 6 PROCUREMENT. Many telecom projects require procurement of equipment of services from outside the company. Most service development projects involve some acquisition - perhaps purchasing ATM or DSL equipment or service components for wireless service.

    pdf20p leslie88 21-09-2010 72 18   Download

  • Why choose Erlang for web applications? Discover the answer hands-on by building a simple web service with this book. If you’re an experienced web developer who knows basic Erlang, you’ll learn how to work with REST, dynamic content, web sockets, and concurrency through several examples. In the process, you’ll see first-hand that Erlang is ideal for building business-critical services. Erlang was designed for fault-tolerant, non-stop telecom systems, and building applications with it requires a large set of skills.

    pdf154p hoa_can 26-01-2013 52 16   Download

  • During the past years, there has been a quickly rising interest in radio access technologies for providing mobile as well as nomadic and fixed services for voice, video, and data. The difference in design, implementation, and use between telecom and datacom technologies is also getting more blurred.

    pdf651p nguyenan122 09-10-2013 47 15   Download


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