Xem 1-20 trên 221 kết quả Wireless services
  • Today’s banking and trading institutions realize they must move and move quickly to capitalize on new business opportunities in wireless banking and trading. Resistance to the implementation of wireless banking can lead to major losses at the business and market share levels. Wireless service soon will be a necessity for the end-user. Although many technological barriers need to be overcome, it is imperative to embrace the change. Wireless banking and trading is only an extension of the product offerings for the financial institutions.

    pdf16p batrinh 16-07-2009 251 78   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 29 8   Download

  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article The Performance of Relay-Enhanced Cellular OFDMA-TDD Network for Mobile Broadband Wireless Services

    pdf10p sting08 20-02-2012 25 7   Download

  • Wireless communications is one of the most active areas of research over the past and the current decades. In fact, the demand for wireless services has been changing from the regular voice telephony services to mixed voice, data, and multimedia services over the wireless media. Since the mid-1990s, the wireless industry has been advancing at an incredible speed. For example, the 2G cellular systems (such as GSM, D-AMPS, and IS-95) have significantly improved the spectral efficiency and network capacity to support wireless telephony services....

    pdf544p gian_anh 18-10-2012 19 5   Download

  • Mạng LAN không dây viết tắt là WLAN (Wireless Local Area Network), là một mạng dùng để kết nối hai hay nhiều máy tính với nhau mà không sử dụng dây dẫn. WLAN dùng công nghệ trải phổ, sử dụng sóng vô tuyến cho phép truyền thong giữa các thiết bị trong một vùng nào đó còn được gọi là Basic Service Set. Nó giúp cho người sử dụng có thể di chuyển trong một vùng bao phủ rộng mà vẫn kết nối được với mạng....

    pdf34p trannguyen1111 16-07-2010 151 99   Download

  • What’s inside counts. That statement sums up customer expectations about wireless service inside offices, homes and public places such as malls, hospitals and subway stations. Wireless service providers have a vested interest in meeting those expectations: When consumers and business users are convinced that indoor coverage is reliable and nearly ubiquitous, they’re far more likely to believe that their mobile phone can be their only phone. That belief helps wireless carriers’ bottom lines by increasing average revenue per user (ARPU)....

    pdf20p mylinh 14-08-2009 159 51   Download

  • The Distribution system interconnects multiple BSSs. 802.11 standard logically separates the wireless medium from the distribution system – it does not preclude, nor demand, that the multiple media be same or different. An Access Point (AP) is a STA that provides access to the DS by providing DS services in addition to acting as a STA.

    ppt100p nammo0168 15-05-2011 76 28   Download

  • In-building solutions are becoming increasingly spread, as user demands for everywhere coverage is matched by the opportunity for mobile operators to offer improved services and increase traffic revenues.

    pdf0p nguyen6688 10-12-2009 72 25   Download

  • The expansion and popularity of the Internet, along with the addition of wireless data functionality to wireless networks, has also contributed greatly to the growth of the wireless industry. In fact, the anticipated consumer demand for high bandwidth wireless data is commonly seen as the driving force behind current network upgrades and expansions. The number and types of companies aggressively investing in wireless technologies illustrate the importance of wireless data.

    pdf234p ken333 14-06-2012 54 23   Download

  • Improving Grade of Service (GOS) While Reducing RF Channels Wireless service providers are adopting new deployment strategies to reduce network costs and improve quality of service. In one urban market, a major national wireless service provider has improved network traffic loading and significantly boosted network RF performance by centralizing radio equipment and deploying digital RF transport technology. The digital RF transport systems operate in simulcast mode and reproduce the signal at radiating points throughout the network.

    pdf8p halanh 14-08-2009 88 22   Download

  • Tham khảo sách 'network solutions wireline service delivery products for north america', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf50p halanh 14-08-2009 102 22   Download

  • Wireless sensor nodes are small, embedded computing devices that interface with sensors/ actuators and communicate using short-range wireless transmitters. Such nodes act autonomously, but cooperatively to form a logical network, in which data packets are routed hop-by-hop towards management nodes, typically called sinks or base stations. A Wireless Sensor Network (WSN) comprises of a potentially large set of nodes that may be distributed over a wide geographical area, indoor or outdoor

    pdf369p nghiasimon 22-09-2012 39 19   Download

  • Mobile and Wireless Communications have been one of the major revolutions of the late twentieth century. We are witnessing a very fast growth in these technologies where mobile and wireless communications have become so ubiquitous in our society and indispensable for our daily lives. The relentless demand for higher data rates with better quality of services to comply with state-of-the art applications has revolutionized the wireless communication field and led to the emergence of new technologies such as Bluetooth, WiFi, Wimax, Ultra wideband, OFDMA.

    pdf0p 123859674 30-06-2012 51 17   Download

  • This text examines all aspects of Wireless Application Protocol (WAP), particularly the hands-on development of WAP applications - an important area with regard to the success of WAP in the consumer marketplace. The book explains both the technical details behind WAP as well as the critical business issues related to its implementation.

    pdf289p ken333 06-07-2012 65 14   Download

  • Simpo PDF Merge and Split Unregistered Version - htt .Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com MOBILE MESSAGING TECHNOLOGIES AND SERVICES SMS, EMS and MMS ¨ Gwenael Le Bodic Alcatel, France JOHN WILEY & SONS, LTD .Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com .Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com MOBILE MESSAGING TECHNOLOGIES AND SERVICES .Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com ....

    pdf394p beobobeo 01-08-2012 33 13   Download

  • The increase in popularity of wireless devices has caused mobile subscribers to demand coverage anytime and anywhere. Wireless service providers are challenged with cost-effectively providing adequate coverage and capacity precisely where it is needed. This is particularly difficult in urban areas due to zoning restrictions and congestion from tall buildings that limit the placement of cell sites for additional capacity.

    pdf2p halanh 14-08-2009 44 11   Download

  • BlackBerry basics troubleshooting No application opens when I press a Convenience key Verify that you have not deleted the application that you assigned to the key. Assign a different application to the key. Some features are not available on my device Depending on your wireless service plan or the type of email account that is associated with your BlackBerry® device, some features might not be available on your device.

    pdf273p documentshare 11-06-2012 61 10   Download

  • An access point (AP) provides the connection between one or more wireless client devices and a wired local area network (LAN). The AP is usually connected to the LAN via a Category-5 cable connection to a hub or switch. Client devices communicate with the AP over the wireless link, giving them access to all other devices through the hub or switch, including a router on the other side of the hub, which provides Internet access

    pdf561p taurus23 02-08-2012 21 10   Download

  • In the telephone networks, the circuit between the subscriber's equipment (e.g. telephone set) and the local exchange in the central office is called the `subscriber loop' or `local loop'. Traditionally, the copper wire has been used as the medium for local loop to provide voice and voice-band data services. Since 1980's, the demand for communications services has increased explosively. There has been a great need for the basic telephone service, i.e. the plain old telephone service (POTS) in developing countries.

    pdf12p tienvovan 18-09-2010 53 7   Download

  • Consumer and business customers today seek wireless service that is readily accessible, benefit rich, secure and affordable. Voice, data and video services, Internet games, and mobile office access must all be provided to meet growing demand from customers. Rollout of third-generation networks has made real-time information flow of news, music, sports updates, browsing and image sharing a reality that is driving growth and change in the network. The move toward faster service will continue without end and requires that both bandwidth and network locations be increased.

    pdf8p halanh 14-08-2009 68 6   Download

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