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Glossary
M
Media Access Control address. A unique 48-bit number used in Ethernet data
MAC
packets to identify an Ethernet device, such as an access point or your client
adapter.
Any of several techniques for combining user information with a transmitter's
modulation
carrier signal.
The echoes created as a radio signal bounces off of physical objects.
multipath
A single data message (packet) sent to multiple addresses.
multicast packet
O
This typically refers to a primarily circular antenna radiation pattern.
omni-directional
A modulation technique used by IEEE 802.11a-compliant wireless LANs for
Orthogonal
Frequency Division
transmission at 6, 9, 12, 18, 24, 36, 48, and 54 Mbps.
Multiplex (OFDM)
P
A basic message unit for communication across a network. A packet usually
packet
includes routing information, data, and sometimes error detection information.
Q
A modulation technique used by IEEE 802.11b-compliant wireless LANs for
Quadruple Phase
Shift Keying
transmission at 2 Mbps.
R
A linear measure of the distance that a transmitter can send a signal.
range
A measurement of the weakest signal a receiver can receive and still correctly
receiver sensitivity
translate it into data.
Radio frequency. A generic term for radio-based technology.
RF
Cisco Wireless ISR and HWIC Access Point Configuration Guide
GL-4
OL-6415-04
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