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Learning Guide: 802.11
Editorial Team
09.14.2004
Rating: -5.00- (out of 5)
802.11 - The alphabet
802.11 is perhaps the fastest-changing network protocol around. We've
gathered a wealth of information to get you up-to-speed quickly on the
various specifications.
TABLE OF CONTENTS
 802.11 Quick Start
The Alphabet
Chapter Downloads
Choosing Standards
Upcoming Standards
What about security?
Enterprise role models - Who's really
using 802.11?
802.11 Tutorials
Articles and White Papers
Descriptive Q&As
Resources
 802.11 Quick Start | |
| The Alphabet | |
- 802.11a
- an extension to 802.11 that applies to wireless LANs
and provides up to 54 Mbps in the 5 GHz band. 802.11a uses an orthogonal
frequency division multiplexing encoding scheme rather than FHSS or
DSSS.
- 802.11b
- (also referred to as 802.11 High Rate or Wi-Fi) -- an
extension to 802.11 that applies to wireless LANS and provides 11 Mbps
transmission in the 2.4 GHz
band. 802.11b was a 1999 ratification to the
original 802.11 standard, allowing wireless functionality comparable to
Ethernet.
- 802.11d
- a wireless network communications specification for
use in countries where systems using other standards in the 802.11
family are not allowed to operate.
- 802.11e
- a proposed enhancement to the 802.11a and 802.11b wireless LAN (WLAN) specifications. It offers quality of service (QoS) features, including the prioritization of
data, voice, and video transmissions.
- 802.11g
- offers transmission over relatively short distances at up to 54
megabits per second (Mbps), compared with the 11 Mbps theoretical
maximum with the earlier 802.11b standard.
- 802.11h - intended to resolve interference issues
introduced by the use of 802.11a in some locations, particularly with
military radar systems and medical devices.
- 802.11i - an enhancement to 802.11 that offers
additional security for WLAN applications
- 802.11j - Japanese regulatory extensions to 802.11a
specification.
- 802.11k - a proposed standard for how a wireless
local area network (WLAN) should perform channel selection, Roaming, and transmit power control (TPC) in order
to optimize network performance.
- 802.11m - an initiative to perform editorial
maintenance, corrections,
improvements, clarifications, and interpretations relevant to
documentation for 802.11 family specifications.
| Chapter Downloads | |
| Choosing Standards | |
| Upcoming Standards | |
| What about security? | |
| Enterprise role models | |
| 802.11 Tutorials | |
| Articles and White Papers | |
| Expert Q&As | |
| Resources | |
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