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Open System
A security option which broadcasts a beacon signal including the
access point's configured SSID. Wireless clients can read the
SSID from the beacon, and automatically reset their SSID to
allow immediate connection to the nearest access point.
Orthogonal Frequency Division Multiplexing (ODFM)
OFDM/ allows multiple users to transmit in an allocated band by
dividing the bandwidth into many narrow bandwidth carriers.
Power over Ethernet (PoE)
A specification for providing both power and data to low-power
network devices using a single Category 5 Ethernet cable. PoE
provides greater flexibility in the locating of access point's and
network devices, and significantly decreased installation costs.
RADIUS
A logon authentication protocol that uses software running on a
central server to control access to the network.
Roaming
A wireless LAN mobile user moves around an ESS and maintains
a continuous connection to the infrastructure network.
RTS Threshold
Transmitters contending for the medium may not be aware of
each other. RTS/CTS mechanism can solve this "Hidden Node
Problem." If the packet size is smaller than the preset RTS
Threshold size, the RTS/CTS mechanism will NOT be enabled.
Service Set Identifier (SSID)
An identifier that is attached to packets sent over the wireless
LAN and functions as a password for joining a particular radio
cell; i.e., Basic Service Set (BSS).
Glossary
Glossary-5
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