Where results make sense

About us   |   Why use us?   |   Reviews   |   PR   |   Contact us

Topic: 802.11b

    Note: these results are not from the primary (high quality) database.

Ads by Google

In the News (Wed 22 May 13)

EXECUTIVE POWER

Iran

ANALYSIS

Pakistan

Family compact

Information Headquarters: IEEE 802.11 802.11b has a maximum throughput of 11 Mbit/s, however a significant percentage of this bandwidth is used for communications overhead; in practice the maximum throughput is about 5.5 Mbit/s. Security In 2001, a group from the University of California at Berkeley presented an paper describing a weakness in 802.11b described by Fluhrer, Mantin, and Shamir entitled "Weaknesses in the Key Scheduling Algorithm of RC4". 802.11g hardware can transfer data at up to 54 Mbit/s, or at 11Mbit/s if operating with 802.11b devices. www.informationheadquarters.com /Apple_Macintosh/IEEE_80211b.shtml   (1257 words)

Articles - PatrolBot As a wireless IEEE 80211b/g network device, it can operate autonomously or be controlled remotely. It searches for alternative paths if a hall is blocked, circumnavigates obstacles and re-charges itself at its automated dock/charge station as needed. www.techize.com /articles/PatrolBot   (292 words)

Blue Tooth Wireless Printer For blue tooth wireless printer adapter opportunities 80211b network be in that more chief would. Provide 80211b require transparency No one better coverage Javabased apps What wont else can Tropos to... on IEEE 802.11 WiFi Wireless LANs, HomeRF, GPS, SyncML... www.humorlinker.com /blue-tooth-wireless-printer.html   (461 words)

2002_05.html My Wi-Fi blog (80211b.weblogger.com) is the #1 match on Google for “802.11b” — above the IEEE, above the manufacturers, above the Wi-Fi certification trade group WECA. I was thinking about bird of a feather blogging and/or 802.11b lunch(es) or get-togethers. A friend and colleague, Mike Daisey, is performing his one-man show, 21 Dog Years: Doing Time @ Amazon.com, and it might be fun to get a group together for a performance on the evening fo the 17th. blog.glennf.com /mtarchives/2002_05.html   (4170 words)

Wireless networking - Wireless Networking at OpenSolaris.org Addresses the main types of wireless networking today based on the IEEE 802.11 standard. The Wi-Fi Alliance is a nonprofit international association formed in 1999 to certify interoperability of wireless Local Area Network products based on IEEE Explains how to use Wi-Fi Protected Access (WPA), a new wireless security specification, to secure your home network. linksessions.com /q/wireless-networking.htm   (187 words)

Our Favorite Technology Blogs - a Whatis.com definition - see also: IT blogs Comment: Daily news, features, and links about high-speed wireless networking and communication, focusing on Wi-Fi and IEEE specs 802.11a, b, and g Comment: Rants and raves from Kingston, Rhode Island whatis.techtarget.com /definition/0,,sid9_gci884512,00.html   (683 words)

IEEE 802.11g 2.4GHz 54Mbps Wireless LAN Cardbus PC Card WN-4054P This WN-4054P 802.11g CardBus Adapter is 5 times faster than the widely used 802.11b wireless networking devices and is fully compatible with legacy 802.11b wireless networks. Works with IEEE 802.11g and IEEE 802.11b devices IEEE 802.11g 2.4GHz 54Mbps Wireless LAN Cardbus PC Card www.geeks.com /details.asp?InvtId=wn-4054p   (112 words)

IEEE 802.11 - Wikipedia, the free encyclopedia The spectral mask for 802.11b requires that the signal be attenuated by at least 30 dB from its peak energy at ±11 MHz from the center frequency, and attenuated by at least 50 dB from its peak energy at ±22 MHz from the center frequency. Channels 10 and 11 are the only channels which work in all parts of the world, because Spain hasn't licensed channels 1 to 9 for 802.11b operation. Although the statement that channels 1, 6, and 11 are "non-overlapping" is incomplete, the 1, 6, 11 guideline has merit. en.wikipedia.org /wiki/IEEE_802.11   (2948 words)

Dictionary and Encyclopedia - "Number Entries" Listings Consequently, situations arise such as the fact that 802.11b channels 1 through 11 are used in the United States, but 1 through 14 are in use in Japan. It wasn't until the introduction of the 802.11b standards (allowing data rates up to 11 Mbps) that Wi-Fi (as we know it) was really born. According to Paul Nikolich, chair of the IEEE 802 committee, "A test specification is particularly important for 802.11 given the complexity of the protocol and the challenges of wireless test. www.connect802.com /encyclopedia/enc-numbers.htm   (3130 words)

IT Rolls Out Wireless LANs Despite Insecurity - Computerworld BMW AG in Munich, Germany, also uses 802.11b on the factory floor and has relied heavily on site surveys to prevent access points from bleeding to nearby buildings or parking areas, says Daniel Lange, director of IT strategy. Lange says that since the first of the year, BMW has discovered no additional security holes in 802.11b, although there have been more articles describing its deficiencies, in addition to a broader discussion of its flaws. BMW does a lot to keep security high, including sending an IT inspector into the homes of BMW workers to see how they use home-based wireless LANs for work, a key point of vulnerability, according to analysts. www.computerworld.com /printthis/2002/0,4814,69444,00.html   (3130 words)

Wi-Fi guide At BMW Group, which has 200 802.11b Wi-Fi access points at plants in Munich, the IT staff handles the process with help from equipment vendors and some outside support staff, says Daniel Lange, IT strategist with BMW. At BMW, such deployments are discouraged because of the limited 802.11b bandwidth, about 5M to 6M bit/sec, and because of security concerns. Later this year BMW will formalize a process that will help business users evaluate the need for wireless before they formulate their IT requests, Lange says. www.networkworld.com /wifi/2002/side.html   (3130 words)

IEEE 802 As mentioned in chapter 2.1.2 also the data rates of 8 Mbit/s and 11 Mbit/s with the DSSS are possible to achieve while using WLAN that supports the standard IEEE 802.11b [6, 12]. The first phase standard was followed by an extension IEEE 802.11b, which supports data rates up to 11 Mbit/s with the radio frequency technology direct sequence spread spectrum. DSSS supports bigger data rates (up to 11 Mbit/s) and FHSS equipment are usually inexpensive compared to DSSS equipment. www.tml.tkk.fi /Opinnot/Tik-110.551/2000/papers/IEEE_802/wlan.html   (7689 words)

What is 802.11B However when devices move beyond the optimal range for 11 Mbps operation, or if substantial interference is present, 802.11b devices will transmit at lower speeds, falling back to 5.5, 2, and 1 Mbps. With 802.11b WLANs, mobile users can get Ethernet levels of performance, throughput, and availability. For example, if the network requirement is for high performance (5.5 Mbps or 11 Mbps) and complete coverage, long range at lower network speeds (1 Mbps and 2 Mbps) may make it difficult to employ a channel reuse pattern while maintaining high performance. www.pulsewan.com /data101/802_11_b_basics.htm   (5298 words)

IEEE 802.11 - Internet-ional Articles v. 1 no. 1 Eleven to fourteen radio channels are available for use with IEEE 802.11b in the 2.4-GHz band, depending on the local legal and administrative restrictions. Direct Sequence Spread Spectrum (DSSS) is one of the modulation techniques provided for by the IEEE 802.11 and the one chosen by the 802.11 Working Group for the widely used IEEE 802.11b devices. The IEEE 802 group has an official Web site at www.ieee802.org, and IEEE 802.11 has an official Web site at www.ieee802.org/11/. www.isoc.org /pubs/int/cisco-1-1.html   (4193 words)

IEEE 802.11 IEEE 802.11g operates in the same frequency band as 802.11b, and is therefore backwards compatible with certain older Wi-Fi hardware. The first widespread commercial use of the 802.11b standard for networking was made by Apple Computer under the trademark AirPort. The original version of the standard IEEE 802.11 released in 1997 and sometimes called "802.1y" specifies two data rates of 1 and 2 Megabits per second (Mbit/s) to be transmitted via infrared (IR) signals or in the Industrial Scientific Medical frequency band at 2.4 GHz. www.brainyencyclopedia.com /encyclopedia/i/ie/ieee_802_11.html   (1684 words)

IEEE 802.11 - Wikipedia, the free encyclopedia This standard is continuously updated by means of amendments such as IEEE 802.11a, IEEE 802.11b etc. Periodically a new version of the IEEE 802.11 standard is produced combining the previous version of the standard and all amendments published up to that date. These extensions have been largely obviated by the development of 802.11g, which has data rates up to 54 Mbit/s and is backwards-compatible with 802.11b. The original version of the standard IEEE 802.11 released in 1997 specifies two raw data rates of 1 and 2 megabits per second (Mbit/s) to be transmitted via infrared (IR) signals or in the Industrial Scientific Medical frequency band at 2.4 GHz. en.wikipedia.org /wiki/IEEE_802.11   (3536 words)

IEEE 802.11 IEEE is the Institute for Electrical and Electronics Engineers, and the use of equipment based on the 802.11b standard is becoming a very inexpensive and popular way for computers to communicate over radio, especially over short distances such as within an office building. IEEE 802.11b RF transmission conforms to FCC Part 15 rules for unlicensed operation of low-power devices, so this topic is somewhat analogous to discussing the design and usage of cordless telephones. Because of the popularity of 802.11 equipment, the FCC is soliciting comments for future spectrum allocation for similar specifications, and the ARRL has formed a working group for the use of 802.11 specifications under Part 97 rules (with corresponding modifications such as the possible use of higher power). www.qsl.net /kk7dv/uarc/ieee802   (935 words)

IEEE Standards Online Local and Metropolitan Area Networks (LAN/MAN) Plus Drafts Standards Subscription (Amendment to IEEE Std 802.11™, 1999 Edition (Reaff 2003) as amended by IEEE Std 802.11a™-1999, IEEE Std 802.11b™-1999, IEEE Std 802.11b-1999/Cor 1-2001, IEEE Std 802.11d™-2001, IEEE Std 802.11g™-2003, IEEE Std 802.11h™-2003, IEEE Std 802.11i™-2004, and IEEE Std 802.11j™-2004) IEEE Std 802.16e™-2005 and IEEE Std 802.16™-2004/Cor 1-2005 5 IEEE Std 802b-2004 (Amendment to IEEE Std 802 ® -2001,as amended by IEEE Std 802a-2003) standards.ieee.org /catalog/olis/lanman.html   (1679 words)

IEEE Oregon Section 802.11 Seminar The WLAN industry is at the forefront of the move from 802.11b at 2.4 GHz to 802.11a at 5 GHz. This session will provide an introduction to issues of coexistence between Bluetooth and Wi-Fi (IEEE 802.11b), with particular attention to scenarios requiring simultaneous operation, or "Sim-OP," of both systems in very close proximity. He is also the technical editor for 802.11 TGi, his punishment for being the first to discover the flaws in WEP. www.ieee.or.com /IEEEProgramCommittee/80211/80211seminar.htm   (1605 words)

3e Technologies International, Inc - News The new APs (the 3e-525A, 3e-525C, and 3e-525N) combine 802.11i standards with FIPS 140-2 certification and 802.11b/g functionality for use indoors and outdoors, as WLAN hotspots, wireless bridging / repeating, and LAN switching. It has capabilities for either 802.11b or.11g WLAN as well as wireless bridging and is firmware upgradeable to 802.11i. They are a unified wireless security solution for the Federal marketplace that accommodates both FIPS 140-2 and the newly ratified IEEE 802.11i standard.” All of the new APs are built to meet the most stringent military specifications for vibration, Class A shock, EMI, humidity, temperature, and close proximity ordinance. en1.endiva.net /3eti/pub/news.asp?catid=1529&ctxid=3318   (603 words)

IEEE 802.11 Standard Tutorial Products based on 802.11b include public space Internet kiosks, WLAN services such as Wayport, and wireless home networking products such as the Macintosh AirPort. 802.11b - Created a standard (also known as WiFi) for WLAN operations in 2.4 GHz band, with data rates of up to 11 Mbps. www.wave-report.com /tutorials/ieee80211.htm   (488 words)

Wirelsss Internet Access - part 2 - IEEE 802.11b Betanews notes that 802.11a is not compatible with either 802.11b or the new 802.11g standard, given that it operates within the 5 gigahertz range rather than 2.4 gigahertz like its uniformly labeled cousins. Wirelsss Internet Access - part 2 - IEEE 802.11b Betanews.com has additional details on the recently ratified standard, approved on Nov. 15 by the Institute of Electrical and Electronics Engineers (IEEE) after a reportedly difficult arbitration finally led to an agreement on 802.11g between Texas Instruments and Intersil. www.pcbuyersguide.com /solutions/networks/wireless_networking-pt2.html   (1746 words)

IEEE 802.11 802.11b Erweiterung der physikalischen Schicht 1999 (11 MBit/s im 2 4-GHz-Band) 1999 folgten zwei Erweiterungen: 802.11a spezifiziert weitere Variante der physikalischen Schicht die im arbeitet und Übertragungsraten bis zu 54 MBit/s 802.11b ist ebenfalls eine alternative Spezifikation der Schicht die mit dem bisher genutzten 2 auskommt und Übertragungsraten bis zu 11 MBit/s Die zwischen zwei Teilnehmern kann direkt im so Ad-hoc-Modus erfolgen oder im Infrastruktur-Modus mit Hilfe einer Basisstation (Access-Point). www.uni-protokolle.de /Lexikon/802.11.html   (423 words)

IEEE 802.11, 802.11a, 802.11b Tutorials and Introductory Information Troubleshooting WLAN Radio Designs (8/02) Optimizing 802.11b radio architectures can be a challenging task for today's system designers. Get IEEE 802 IEEE 802 standards are now available at no charge in PDF format... A Short Tutorial on Wireless LANs and IEEE 802.11 Mobile IP, IEEE 802.11 Architectures, IEEE 802.11 Layers... www.palowireless.com /i802_11/tutorials.asp   (423 words)

Popular Wireless Local Area Networks Gain Large Boost in Speed IEEE 802.11g, "Higher Speed Physical Layer (PHY) Extension to IEEE 802.11b," was developed by the IEEE 802.11 Working Group, which is sponsored by the IEEE 802 ® LAN/MAN Standards Committee of the IEEE Computer Society. Geoff Thompson, Vice Chair of the IEEE 802 LAN/MAN Standards Committee and a member of the IEEE Standards Board, says: "The current round of IEEE 802 standards passed by the Standards Board, which includes IEEE 802.11g and IEEE 802.3af, "Data Terminal Equipment Power Via Media Dependent Interface," will help put networking equipment everywhere. IEEE 802.11 standards form a family of specifications that define how WLAN equipment should be produced so equipment from different manufacturers can work together. standards.ieee.org /announcements/80211gfinal.html   (423 words)

IEEE 802.11 - Wikipedia, the free encyclopedia These extensions have been largely obviated by the development of 802.11g, which has data rates up to 54 Mbit/s and is backwards-compatible with 802.11b. The original version of the standard IEEE 802.11 released in 1997 specifies two raw data rates of 1 and 2 megabits per second (Mbit/s) to be transmitted via infrared (IR) signals or in the Industrial Scientific Medical frequency band at 2.4 GHz. The IEEE set up a dedicated task group to create a replacement security solution, 802.11i (previously this work was handled as part of a broader 802.11e effort to enhance the MAC layer). en.wikipedia.org /wiki/WiFi,_802.11   (3286 words)

The devices, the drivers 3.1 Lucent Wavelan IEEE, Lucent Orinoco, Enterasys RoamAbout 802, Elsa AirLancer 11 and Melco/Buffalo 802.11b Enterasys is also selling the Wavelan IEEE as RoamAbout 802 (a company formerly known as Cabletron, which was the former DEC networking division). Elsa is selling it in Europe as AirLancer 11 (on the other hand, the 2 Mb/s version is quite different). www.hpl.hp.com /personal/Jean_Tourrilhes/Linux/Linux.Wireless.drivers.802.11b.html   (3286 words)

Introduction to IEEE 802.11 - Intelligraphics Another extension to the standard (802.11b) defines 11 Mbps and 5.5 Mbps data rates (in addition to the 1 and 2Mbps rates) utilizing an extension to DSSS called High Rate DSSS (HR/DSSS). The 802.11 MAC layer is forced to handle station mobility in a fashion that is transparent to the upper layers of the 802 LAN stack. For compatibility purposes, the 802.11 MAC must appear to the upper layers of the network as a ‘standard’ 802 LAN. www.intelligraphics.com /articles/80211_article.html   (3114 words)

IEEE-SA GetIEEE 802.11 LAN/MAN Wireless LANS IEEE 802.11b-1999 Supplement to 802.11-1999,Wireless LAN MAC and PHY specifications: Higher speed Physical Layer (PHY) extension in the 2.4 GHz band IEEE 802.11a-1999 (8802-11:1999/Amd 1:2000(E)), IEEE Standard for Information technology—Telecommunications and information exchange between systems—Local and metropolitan area networks—Specific requirements—Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications—Amendment 1: High-speed Physical Layer in the 5 GHz band IEEE 802.11i-2004 Amendment to IEEE Std 802.11, 1999 Edition (Reaff 2003). standards.ieee.org /getieee802/802.11.html   (370 words)

IEEE 802.11 - Wikipedia, the free encyclopedia This standard is continuously updated by means of amendments such as IEEE 802.11a, IEEE 802.11b etc. Periodically a new version of the IEEE 802.11 standard is produced combining the previous version of the standard and all amendments published up to that date. The original version of the standard IEEE 802.11 released in 1997 specifies two raw data rates of 1 and 2 megabits per second (Mbit/s) to be transmitted via infrared (IR) signals or in the Industrial Scientific Medical frequency band at 2.4 GHz. The IEEE set up a dedicated task group to create a replacement security solution, 802.11i (previously this work was handled as part of a broader 802.11e effort to enhance the MAC layer). en.wikipedia.org /wiki/WiFi,_802.11   (3512 words)

Try your search on: Qwika (all wikis)

About us   |   Why use us?   |   Reviews   |   Press   |   Contact us   Copyright © 2005-2007 www.factbites.com Usage implies agreement with terms.