Cisco Systems 1200 manual GL-4

Glossary

L

Lightweight access An access point operating in the Cisco Centralized Wireless LAN Architecture
point	with a Cisco Wireless LAN Controller.
LWAPP	Lightweight Access Point Protocol. An Internet Engineering Task Force (IETF)
	draft protocol used in the Cisco Centralized Wireless LAN Architecture.

M

MAC	Media Access Control address. A unique 48-bit number used in Ethernet data
	packets to identify an Ethernet device, such as an access point or your client
	adapter.
modulation	Any of several techniques for combining user information with a transmitter’s
	carrier signal.
multipath	The echoes created as a radio signal bounces off of physical objects.
multicast packet	A single data message (packet) sent to multiple addresses.

O

omni-directional	This typically refers to a primarily circular antenna radiation pattern.
Orthogonal	A modulation technique used by IEEE 802.11a-compliant wireless LANs for
Frequency Division	transmission at 6, 9, 12, 18, 24, 36, 48, and 54 Mbps.
Multiplex (OFDM)

P

packet	A basic message unit for communication across a network. A packet usually includes routing
	information, data, and sometimes error detection information.

Q

Quadruple Phase
Shift Keying	A modulation technique used by IEEE 802.11b-compliant wireless LANs for
	transmission at 2 Mbps.

Cisco Aironet 1200 Series Access Point Hardware Installation Guide

GL-4 OL-8370-04