User Manual

Axell Wireless Limited
Technical Literature
MWAA Primary F/O Head End Documentation
B010 IF BDA 60-174202
Document Number 60-174202HBK Issue No. 1 Date 23/07/2009 Page 19 of 24
Appendix A
A.1. Glossary of Terms used in this document
Repeater or
Cell Enhancer
A Radio Frequency (RF) amplifier which can simultaneously
amplify and re-broadcast Mobile Station (MS) and Base
Transceiver Station (BTS) signals.
Band Selective
Repeater
A Repeater designed for operation on a range of channels within a
specified frequency band.
Channel Selective
Repeater
A Repeater, designed for operation on specified channel(s) within a
specified frequency band. Channel frequencies may be factory set
or on-site programmable.
AC Alternating Current
AGC Automatic Gain Control
BBU Battery Backup Unit
BDA Bi-directional Amplifier
BTS Base Transceiver Station (Base Station)
B/W Bandwidth
CEMS Coverage Enhancement Management System
C/NR Carrier-to-Noise Ratio
DAS Distributed Antenna System
DC Direct Current
Downlink (D/L) RF signals TX from the BTS to the Mobiles
F/O Fibre Optic
GND Ground
ID Identification (Number)
I/P Input
LCX Leaky Coaxial Cable (Leaky Feeder).
LED Light Emitting Diode
LNA Low Noise Amplifier
LPA Low Power Amplifier
Mobile(s) Hand-portable or other “Mobile” RF Transceiver equipment.
MOU Master Optical Unit
MTBF Mean Time Between Failures
N/A Not Applicable
N/C (of Relays) Normally Closed
N/O (of Relays) Normally Open
OFR On Frequency Repeater
OIP3 Output Third Order Intercept Point
O/P Output
P1dB 1dB Compression Point
PA Power Amplifier
RF Radio Frequency
RHNC Relative Humidity, Non Condensing
RSA Receiver/Splitter Amplifier
RX Receiver (Received)
S/N Serial Number
TX Transmitter (Transmitted)
Uplink (U/L) RF signals transmitted from the Mobiles to the BTS
VSWR Voltage Standing Wave Ratio
WDM Wave division multiplex
Date Format Date Format used in this document is dd/mm/yyyy