TECHNOLOGY FOR WIRELESS LANS – WIMAX

wire. A few years later, experimentations such as those of Marconi proved that wireless transmis-sion may be a reality and for rather long distances. Through the twentieth century, great electronic and propagation discoveries and inventions gave way to many wireless transmission[r]

Hindawi Publishing CorporationEURASIP Journal on Wireless Communications and NetworkingVolume 2011, Article ID 703239, 11 pagesdoi:10.1155/2011/703239Research ArticleExperimental Characterization of a UWB Channel forBody Area NetworksLingli Xia, Stephen Redfield, and Patrick ChiangVLSI Researc[r]

access point antenna. If the signal can only go from the CPE to the access point by being reflected by objects, such as trees, the situation is called non-line of sight. NLOS systems are based on OFDM, which combats multipath interference, thereby permitting the distance between the CPE and the acce[r]

This page intentionally left blank 3CHAPTER1Introduction to Broadband WirelessBroadband wireless sits at the confluence of two of the most remarkable growth stories of thetelecommunications industry in recent years. Both wireless and broadband have on theirown enjoyed rapid mass-market[r]

wireless metropolitan-area network (WMAN) A wireless network that encompasses ametropolitan area.wireless personal-area network (WPAN) A wireless network covering a very small area.462 CCNA Wireless Official Exam Certification Guide28_1587202115_glossary.qxd 9/29/0[r]

the BS sends the RNG-RSP message with a status of ‘abort’ and then terminates the link management of the SS. Accordingly, the SS processes the RNG-RSP messages it receives, implementing any PHYsical layer corrections that are specifi ed (when the status is ‘continue’) or initiating a restart of MAC a[r]

Table 3.1 Outgoing Log Table from DSL RouterLAN IP Destination URL/IP Service/Port Number192.168.1.101 202.43.195.13 www192.168.1.101 64.86.142.99 www192.168.1.101 202.43.195.52 www192.168.1.101 64.86.142.120 wwwDSL Link to ISP(4 Ethernet ports)PC 1PC 2PC 3DSLRouter(4 wireless ports)LaptopCol[r]

my belt. The mobile telephone fits my belt well, and is very appropriate as a personalcommunications device. But if I were to try to write these thoughts on my telephone, Iwould soon go crazy. The instrument is not suited to the application. Both do electronicmail, but one is for megabyte atta[r]

Produced 2006 by US-CERT, a government organization.Updated 2008. 1 Using Wireless Technology Securely US-CERT In recent years, wireless networking has become more available, affordable, and easy to use. Home users are adopting wireless technology in great numbers[r]

tocols for real-time safety message delivery, quality of service(QoS) for video packets, MIMO, space-time coding schemes,and WAVE system simulator. In addition, two relevant papersinvestigating electronic toll collection detection and UWBvehicular channel are included as well.Three pap[r]

432 Chapter 10 • Securing Your Wireless WebHTML there are several wireless markup languages, including Handheld DeviceMarkup Language (HDML),Wireless Markup Language (WML), CompactHypertext Markup Language (cHTML), Mobile Markup Language (MML),Extensible Hypertext markup Languag[r]

house, the Internet has migrated from being connected to one prized home computer in the living room to being spread throughout the house by Wi-Fi. In the enterprise, the advantages of unwiring the network edge has lead to IT organizations peppering the office with access points. And on the road, hot[r]

522 Y. Yang et al. "Portable devices" could be phones, iPhones, smart phones/PDA as well as iPods (and other MP3 players). M-Learning offers a powerful and practical solution to many learning and training challenges (Http://www.ctad.co.uk/content/view/185/277/). For example, it can be used: i[r]

where the kernel K(x, x(i)) is a scalar-valued function of the testing sample x and a training samplex(i).ForN<<p, one may choose to use γ and K(x, x(i)) to evaluate y(x) instead of using w andϕ(x) explicitly. For this purpose, one must estimate γ and b and identify a set of sup[r]

Using proprietary wireless configuration toolsMost of the major laptop manufacturers now offer their own suite of utilitiesintended to make it easy for users to connect their new machines to an exist-ing wired or wireless network. The basic concepts are the same, althoughspecifi[r]

❄✷❆✱❇✯✮❈❇✯❁❉❆✱❁❃✫ ✻✽✼✲✵✴✷✶✹✸✬❊●❋❍✮❍■ ❆✱❏✯❇❑✷✻✽✫ ✼▲❁▼❊◆❁❉✻✱❊❖▲✻✽✫ ✼▲❁✽◗❘❆✱✰❍✫ ✻❙◗❚✮✽■ ❆✾❏❑✷✻✽✫ ✼▲❁▼❊◆❁❉✻✱❊❯❅❱✱■ ❁❃✫ ❖✿✻✽✫ ✼▲❁✽◗❘❆✱✰❍✫ ✻✳◗❚✮❍■ ❆✱❏Figure 10.4: Customer coverage by below the roofs supplyfeasibility of the possibility shown in the lower part of Figure 10.1. This wouldallow customers t[r]

areas, very strict restrictions apply regarding requirements for all electrical apparatus intended for use inside specific zones. In Europe, the ATEX directive (European Parliament and the Council, 1994) contains the governing rules, regulations and requirements for the use of e[r]

Many innovative new use cases are now being made possible with the introduction of ultra low power wireless chipsets. Until recently, the only way to achieve data transfer between a sensor and client has been to use wires, or manually collect data from a logging device. Wireless technologies have be[r]

, and storage in data banks. Duplication ofthis publication or parts thereof is permitted only under the provisions of the German CopyrightLaw of September 9, 1965, in its current version, and permission for use must always be obtainedfrom Springer, Violations are liable for prosecutio[r]

7 Philip G. Collins and Phaedon Avouris "Nanotubes for electronics" Scientific American, December 2000, page 69However, SWNT are more difficult to make thanMWNT, and confusion arises about the quantities ofnanotubes actually being manufactured. CarbonNanotechnologies of Houston, one of the wo[r]