Xem 1-20 trên 470 kết quả Wireless Communication
  • Four laws, two each from the natural sciences and the social sciences, have formed the basis for the development of digital wireless communication networks. This essay describes their interaction, as well as their logical support for spread - spectrum multiple - access techniques.

    pdf426p phongthinh 04-08-2009 302 194   Download

  • Wireless communications is, by any measure, the fastest growing segment of the communications industry. As such, it has captured the attention of the media and the imagination of the public. Cellular systems have experienced exponential growth over the last decade and there are currently around two billion users worldwide. Indeed, cellular phones have become a critical business tool and part of everyday life in most developed countries, and are rapidly supplanting antiquated wireline systems in many developing countries....

    pdf572p manhtoank10c 23-05-2013 50 20   Download

  • Wireless Communications, Second Edition is the definitive professional's overview of wireless communications technology and system design. Building on his classic first edition, Theodore S. Rappaport reviews virtually every important new wireless standard and technological development, including W-CDMA, cdma2000, UMTS, and UMC 136/EDGE; IEEE 802.11 ...

    pdf687p until_you9x 12-10-2013 31 16   Download

  • Tham khảo sách 'imobile and wireless communications: physical layer development and implementation', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf0p 123859674 30-06-2012 49 10   Download

  • This book will provide a comprehensive technical guide covering fundamentals, recent advances and open issues in wireless communications and networks to the readers. The objective of the book is to serve as a valuable reference for students, educators, scientists, faculty members, researchers, engineers and research strategists in these rapidly evolving fields and to encourage them to actively explore these broad, exciting and rapidly evolving research areas.

    pdf612p ringphone 06-05-2013 25 4   Download

  • Building Wireless Community Networks is about getting people online using wireless network technology. The 802.11b standard (also known as WiFi) makes it possible to network towns, schools, neighborhoods, small business, and almost any kind of organization. All that's required is a willingness to cooperate and share resources.

    pdf0p samsung_12 07-05-2013 17 3   Download

  • Sensors and Wireless Communication for Medical Care present about Security and Safety, Technology and Type of Sensors, Privacy and Security of Network and Computer Systems, Measures of Safety and Security.

    ppt9p cocacola_17 11-12-2015 10 1   Download

  • The implementation of wireless connectivity is predicated upon the definition of so-called wireless standards, of which GSM, DECT, CDPD, GPRS, and CDMA are examples [7, 8]. Each of these standards embodies the precise set of parameters that dictate the architecture and software design of wireless systems operating under the standard to effect intelligible communicationwith other systems also operating within the standard.

    pdf280p hoang1 31-10-2009 134 61   Download

  • This book provides a comprehensive introduction to the underlying theory, design techniques and analytical tools of wireless communications, focusing primarily on the core principles of wireless system design. The book begins with an overview of wireless systems and standards. The characteristics of the wireless channel are then described, including their fundamental capacity limits. Various modulation, coding, and signal processing schemes are then discussed in detail, including state-of-the-art adaptive modulation, multicarrier, spread spectrum, and multiple antenna techniques....

    pdf0p huemanvdoc 20-11-2009 158 50   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

  • Tham khảo tài liệu 'wireless communications - chương 2', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    ppt22p nhq_khtn 12-03-2011 61 15   Download

  • Tham khảo tài liệu 'wireless communications - chương 3', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    ppt19p nhq_khtn 12-03-2011 54 13   Download

  • Tham khảo tài liệu 'wireless communications - chương 5', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    ppt37p nhq_khtn 12-03-2011 40 13   Download

  • Past decade has seen a surge of research activities in the field of wireless communication. Emerging from this research thrust are new points of view on how to communicate effectively over wireless channels. The goal of this course is to study in a unified way the fundamentals as well as the new research developments. The concepts are illustrated using examples from several modern wireless systems (GSM, IS-95, CDMA 2000 1x EV-DO, Flarion's Flash OFDM, ArrayComm systems.)

    ppt76p nhq_khtn 12-03-2011 50 13   Download

  • Mobile and wireless communications applications have clear impact on improving the humanity wellbeing. From cell phones to wireless internet to home and office devices, most of the applications are converted from wired into wireless communication. Smart and advanced wireless communication environments represent the future technology and evolutionary development step in home, hospitals, industrial, and vehicular and transportation systems.

    pdf0p 123859674 30-06-2012 61 13   Download

  • Tham khảo tài liệu 'wireless communications - chương 6', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    ppt70p nhq_khtn 12-03-2011 36 12   Download

  • Past decade has seen a surge of research activities in the field of wireless communication. Emerging from this research thrust are new points of view on how to communicate effectively over wireless channels. The goal of this course is to study in a unified way the fundamentals as well as the new research developments.

    ppt31p nhq_khtn 12-03-2011 57 12   Download

  • Tham khảo tài liệu 'wireless communications - chương 7', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    ppt22p nhq_khtn 12-03-2011 36 8   Download

  • Tham khảo tài liệu 'wireless communications - chương 9', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    ppt24p nhq_khtn 12-03-2011 33 8   Download

  • Tham khảo tài liệu 'wireless communications - chương 11', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    ppt37p nhq_khtn 12-03-2011 27 8   Download

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