THE WHATIS.COM WORD-OF-THE-DAY July 8, 2002 802.15 ______________ TODAY'S SPONSOR: The .tv Corporation
Save 30% on Web addresses! Not only will you get a great deal on your Web addresses, but you'll also get superior customer service, innovative products and services and a place that is easy to register and manage your Web addresses. Great names are still available. Register the names you want before someone else does! Check it out now: http://WhatIs.com/r/0,,4345,00.htm?the.tvcorporation ______________ TODAY'S WORD: 802.15 See our definition with hyperlinks at http://searchnetworking.techtarget.com/sDefinition/0,,sid7_gci837226,00.html 802.15 is a communications specification that was approved in early 2002 by the Institute of Electrical and Electronics Engineers Standards Association (IEEE-SA) for wireless personal area networks (WPANs). The initial version, 802.15.1, was adapted from the Bluetooth specification and is fully compatible with Bluetooth 1.1. Bluetooth is a well-known and widely used specification that defines parameters for wireless communications among portable digital devices including notebook computers, peripherals, cellular telephones, beepers, and consumer electronic devices. The specification also allows for connection to the Internet. The IEEE 802.15 Working Group proposes two general categories of 802.15, called TG4 (low rate) and TG3 (high rate). The TD4 version provides data speeds of 20 kbps or 250 kbps. The TD3 version supports data speeds ranging from 11 Mbps to 55 Mbps. Additional features include the use of up to 254 network devices, dynamic device addressing, support for devices in which latency is critical, full handshaking, security provisions, and power management. There will be 16 channels in the 2.4-GHz band, 10 channels in the 915-MHz band, and one channel in the 868-MHz band. The IEEE plans to refine the 802.15 specification to work with the Specification and Description Language (SDL), particularly SDL-88, SDL-92, and SDL-2000 updates of the International Telecommunication Union (ITU) recommendation Z.100. RELATED TERMS: IEEE http://whatis.techtarget.com/definition/0,,sid9_gci214016,00.html Bluetooth http://searchnetworking.techtarget.com/sDefinition/0,,sid7_gci211680,00.html ______________________ SELECTED LINKS: The IEEE 802.15 Working Group publishes general information and updates about this specification. http://www.ieee802.org/15/ ______________________ WHATIS DISCUSSION FORUM | Challenge #8: Domain name dilemma Challenges are another learning tool where you (the reader) try to solve various real-life IT problems. Sometimes there's one right answer, but more often than not (just as in real life) there are several ways to approach the problem -- and that's why reading how other people would troubleshoot the Challenge is a fun way to learn. CHALLENGE #8: Jeff's teen-age daughter wants to get her own domain name and Web hosting service. Jeff's not only clueless about how to help her -- he's not even sure it's a good idea to begin with. Can you help? http://whatis.discussions.techtarget.com/WebX?[EMAIL PROTECTED]^2@.1dcfae0e/59!viewtype=threadDate&skip=&expand= ______________________ QUIZ #28 | Ethernet How much do you know about the most popular network technology in the world? Take our latest quiz and find out! http://searchnetworking.techtarget.com/sDefinition/0,,sid7_gci834253,00.html ______________________________ RECENT ADDITIONS AND UPDATES [1] personal operating space http://searchnetworking.techtarget.com/sDefinition/0,,sid7_gci837217,00.html [2] continuation symbol http://whatis.techtarget.com/definition/0,,sid9_gci837212,00.html [3] NDMP http://searchnetworking.techtarget.com/sDefinition/0,,sid7_gci837192,00.html [4] MultiMediaCard http://whatis.techtarget.com/definition/0,,sid9_gci837119,00.html [5] The 10 Most Misunderstood Terms in IT http://whatis.techtarget.com/definition/0,,sid9_gci835116,00.html ____________________________________________________________________ ::::::::::::::::::: WHATIS.COM CONTACTS ::::::::::::::::::: LOWELL THING, Site Editor ([EMAIL PROTECTED]) ____________________________________________________________________ MARGARET ROUSE, Assistant Editor ([EMAIL PROTECTED]) ___________________________________________________________________ :::::::::::::::::::: ABOUT THIS NEWSLETTER ::::::::::::::::::::: Created by TechTarget (http://www.techtarget.com) TechTarget - The Most Targeted IT Media Copyright 2002, All Rights Reserved. If you would like to sponsor this or any techtarget newsletter, please contact Gabrielle DeRussy at [EMAIL PROTECTED] Unsubscribe from 'Word of the Day' - Simply Reply to this Email with REMOVE within the Body or Subject > or - Go to: http://WhatIs.techtarget.com/register - Log in to edit your profile. - Click on the link to Edit email subscriptions. - Uncheck the box next to the newsletter you wish to unsubscribe from. - When finished, click "Save Changes to My Profile."
