18
Appendix One
: Glossary
WLAN
Wireless Local Area Network
802.11
A family of specifications developed by the IEEE for
WLAN technology.
802.11a
An extension to 802.11 WLAN standard that provides up
to 54 Mbps transmission in the 5 GHz UNI radio band.
802.11b
An extension to 802.11 WLAN standard that provides up
to 11 Mbps transmission in the 2.4 GHz ISM radio band.
802.11b uses DSSS modulation.
802.11g
An extension to 802.11 WLAN standard that provides up
to 54 Mbps transmission in the 2.4 GHz ISM radio band.
802.11b uses OFDM modulation and is backwards
compatible with 802.11b.
Ad-Hoc
A group of computers each with wireless adapters,
connected as an independent WLAN.
AES
Advanced Encryption Standard
BSSID
Basic Service Set ID
DHCP
Dynamic Host Configuration Protocol
DSSS
Direct Sequence Spread Spectrum. DSSS is one of
two types of spread spectrum radio. The other is
frequency-hopping spread spectrum(FHSS).
QoS
Quality of Service
OFDM
Orthogonal Frequency Division Multiplexing
RADIUS
Remote
Authentication Dial In User Service
RTS
Request to Send
SSID
Service Set Identifier. A 32-character unique
identifier attached to the header of packets sent