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Glossary
O
OFDM
This typically refers to a primarily circular antenna radiation pattern.
Orthogonal frequency division multiplex is a modulation technique used by IEEE
P
packet | A basic message unit for communication across a network. A packet usually includes routing |
| information, data, and sometimes error detection information. |
Q
QPSK
| Quadruple phase shift keying is a modulation technique used by IEEE |
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R |
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range | A linear measure of the distance that a transmitter can send a signal. |
receiver sensitivity A measurement of the weakest signal a receiver can receive and still correctly
| translate it into data. |
RF | Radio frequency. A generic term for |
roaming | A feature of some Access Points that allows users to move through a facility |
| while maintaining an unbroken connection to the LAN. |
A connector type unique to Cisco Aironet radios and antennas. Part 15.203 of | |
| the FCC rules covering spread spectrum devices limits the types of antennas that |
| may be used with transmission equipment. In compliance with this rule, Cisco |
| Aironet, like all other wireless LAN providers, equips its radios and antennas |
| with a unique connector to prevent attachment of |
| radios. |
Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
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