User Manual

Axell Wireless Limited
Technical Literature
FM Rebroadcast Amplifier 55-203201
Document Number 55-203201HBK Issue No. 1 Date 22/12/2008 Page 18 of 23
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 Cell Enhancer designed for operation on a range of channels
within a specified frequency band.
Channel Selective
Repeater
A Cell Enhancer, 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
BTS Base Transceiver Station (Base Station)
B/W Bandwidth
CEMS Coverage Enhanced Management System
C/NR Carrier-to-Noise Ratio
DC Direct Current
Downlink (D/L) RF signals TX from the BTS to the Mobiles
FO Fibre Optic
GND Ground
ID Identification Number
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 Tranceiver 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
P1dB 1dB Compression Point
PA Power Amplifier
RF Radio Frequency
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