Glossary Of Terms - Redline AN-80i User Manual

6.3

Glossary Of Terms

Term
Antenna
Gain
ARQ
ATPC
Beamwidth
BFW
Bps
BPSK
Channel
dB
dBi
dBm
DFS
DHCP
Directional
Antenna
Encryption
Ethernet
FD
FWA
Gain
Gateway
GHz
GUI
IP
Isotropic
IXC
LEC
LED
LOS
70-00072-01-01-DRAFT
Definition
The measure of antenna performance relative to a theoretical antenna
called an isotropic antenna.
Automatic Repeat Request. This is the protocol used over the air for
error correction.
Automatic Transmission Power Control. The master-end system
automatically adjusts the RF transmit level of both systems to optimize
performance of the link (match a target RSSI value).
The angle of signal coverage provided by an antenna.
Broadband Fixed Wireless
Bits Per Second
A unit of measurement for the rate at which data is transmitted.
Binary Phase Shift Keying.
A communications path wide enough to permit a single RF transmission.
A ratio expressed in decibels.
A ratio, measured in decibels, of the effective gain of an antenna
compared to an isotropic antenna.
Decibels above a milliwatt
Dynamic Frequency Selection (DFS) can detect interference from other
devices using the same frequency (especially radar) and automatically
take a pre-selected action such as disable transmission or relocate
transmission to alternative frequency.
Dynamic Host Configuration Protocol. A DHCP server automatically
issues IP addresses within a specified range to devices on a network.
An antenna that concentrates transmission power into one direction.
For the purposes of privacy, the transformation of data into an
unreadable format until reformatted with a decryption key.
A LAN architecture using a bus or star topology
Full Duplex. Refers to the transmission of data in two directions
simultaneously (i.e. a telephone)
Fixed Wireless Access
The ratio of the output amplitude of a signal to the input amplitude of a
signal. Typically expressed in decibels (dB).
A network point that acts as an entrance to another network.
Gigahertz. 1,000,000,000 Hz, or 1,000 MHz
Graphical User Interface
Internet Protocol. See TCP/IP.
A theoretic construct of an antenna that radiates its signal 360 degrees
both vertically and horizontally—a perfect sphere. Generally used as a
reference.
Inter-exchange Carrier. A long-distance phone company.
Local Exchange Carriers. The traditional local wired phone company.
Light Emitting Diode
Line Of Sight. A clear direct path between two antennas, with no
Proprietary Redline Communications © 2006
Page 57 of 60
AN-80i
user manual
October 18, 2006