Xem 1-20 trên 95 kết quả Wireless reach
  • Sáng kiến Wireless Reach của QUALCOMM đã tạo ra những nề tảng dành cho truyền thông chất lượng từ phát minh công nghệ đã là tâm điểm của Qualcom từ khi chúng tôi thành lập vào năm 1985. Là nhà khởi xướng của công nghệ vô tuyến kỹ thuật số CDMA và là một trong những nhà cung cấp hàng đầu về các sản phẩm dịch vụ vô tuyến của thế hệ thứ 3

    pdf24p anhtuyet 10-06-2009 362 199   Download

  • Two technologies that have profoundly impacted people on this planet recently are cellular telephony and the Internet. The former, with its tremendous advantages of tetherless and ubiquitous communication capabilities, was accepted worldwide. It met the expectations of a success story for wealthy nations. On the other hand, its reach into the developing and the not-so-prosperous parts of the world was even more profound.

    pdf438p tailieuvip13 19-07-2012 24 2   Download

  • Wireless Sensor Networking is one of the most important new technologies of the century and has been identified to see significant grow in the next decades. Wireless sensor networks are power-efficient, small-size and communicate wirelessly among each other to cooperatively monitor and access the properties of their targeted environments. Applications reach from health monitoring, through industrial and environmental monitoring to safety applications.

    pdf278p 123859674 04-07-2012 37 9   Download

  • Regardless of the process used to reach these decisions in a particular SAI, the considerations that should underlie them remain the same. Thus, whether a process is centralised or decentralised a similar approach is necessary, with a similar consideration of all the relevant factors throughout the SAI. These should be fully recorded and documented, particularly the necessary discussions and decisions on audit risk, materiality and sensitivity, whatever management process is consistently applied.

    pdf75p tay_thi_le 19-02-2013 21 4   Download

  • Wireless games are always on and always with you, and can reach a more massive audience than any other gaming platform in history. No programming language is as suited for micro games as Java 2 Micro Edition (J2ME).micro Java game Development is your step-by-step guide to creating games for devices that support J2ME/MIDP. The material covers a full range of topics, from a tour of all available micro devices (PDAs, cell phones, and pagers) to a discussion of...

    pdf418p stumble 21-05-2009 243 141   Download

  • CompTIA’s Network+ certification Study Guide part 1is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today’s wireless networking standards.

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  • Mobile network operators will meet many challenges in the coming years. It is expected that the number of people connected, wireline and wireless, will reach five billion by 2015. At the same time, people use more wireless services and they expect similar user experience to what they can now get from fixed networks. Because of that we will see a hundred-fold increase in network traffic in the near future. At the same time markets are saturating and the revenue per bit is dropping.

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  • Two drivers have taken the market by surprise in recent years: wireless is the first and the second is the Internet and Internet technology. At the end of 1998 there were around 260 million wireless mobile users and growth continues at over ten million new subscribers per month. The latest forecast figures by Delson Group indicate that the total number of wireless cellular subscribers world-wide will reach two billion by 2005. Convergence of wireless and Internet will be one of the hottest topics in the coming years....

    pdf20p doroxon 18-08-2010 48 7   Download

  • CompTIA’s Network+ certification Study Guide part 79 is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today’s wireless networking standards.

    pdf11p pretty19 28-10-2010 65 7   Download

  • NETWORK MYTHOLOGIES As we reach the end of the book, it is useful to consider the veracity of some of the common old wives’ tales that abound in the packet radio arena. These pronouncements are often accepted as gospel when they are anything but. A realistic appraisal of some of these claims will surely help one make more hard-eyed, useful business decisions. Given the state of the wireless data business, a little realism will be a refreshing conclusion. 20.2 CDPD IS AN OPEN STANDARD; ARDIS AND BSWD ARE PROPRIETARY The claim is ubiquitous. AT&T Wireless says: “AirData is based upon an...

    pdf12p tienvovan 16-09-2010 39 6   Download

  • Backup Power Systems for Mobile Telecommunications Telecommunication networks are a major user of backup powering systems (also termed uninterruptible power systems (UPS)) and they serve as the primary example of a fuel cell (FC) application in this article. Mobile or wireless networks are often the primary source of telecommunications especially in emerging markets and developing countries where fixed line networks have not been extensively built. Customers expect to continue to use their mobile phones, even when the power grid fails.

    pdf11p congdat261 23-11-2010 40 6   Download

  • By looking back to the history of wireless systems, one can reach the conclusion that the industry follows a ten-year cycle. First generation systems were introduced in 1981 followed by the deployment of second generation systems in 1991, ten years later. Moreover, third generation systems are due for deployment in 2001–2002. From the point of view of services, 1G systems offered only voice services, 2G systems also offered support for a primitive type of low-speed data services and 3G systems will enable a vast number of advanced voice and high-speed data services.

    pdf13p tienvovan 18-09-2010 41 5   Download

  • CompTIA’s Network+ certification Study Guide part 2 is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today’s wireless networking standards.

    pdf10p pretty19 28-10-2010 49 5   Download

  • CompTIA’s Network+ certification Study Guide part 3 is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today’s wireless networking standards.

    pdf10p pretty19 28-10-2010 44 4   Download

  • CompTIA’s Network+ certification Study Guide part 78 is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today’s wireless networking standards.

    pdf10p pretty19 28-10-2010 51 4   Download

  • ADC, a leading solution provider for distributing and enhancing wireless capacity and coverage, now offers the Digivance CXD. The Digivance CXD is a fully Digital Distributed Antenna System (D-DAS) designed to specifically meet a service provider’s current network needs and provide a fully flexible path to future network migration. The Digivance product improves wireless networks by extending seamless wireless coverage from existing cell sites to hard-to-reach areas, or distributing capacity from centralized radio suites....

    pdf8p halanh 14-08-2009 43 3   Download

  • CompTIA’s Network+ certification Study Guide part 4 is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today’s wireless networking standards.

    pdf10p pretty19 28-10-2010 50 3   Download

  • CompTIA’s Network+ certification Study Guide part 5 is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today’s wireless networking standards.

    pdf10p pretty19 28-10-2010 51 3   Download

  • CompTIA’s Network+ certification Study Guide part 6 is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today’s wireless networking standards.

    pdf10p pretty19 28-10-2010 51 3   Download

  • CompTIA’s Network+ certification Study Guide part 7 is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today’s wireless networking standards.

    pdf10p pretty19 28-10-2010 41 3   Download

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