User Manual

Axell Wireless Limited
Technical Literature
Fiber Optic, Uplink, Band Selective,
800MHz Booster Amplifier
Document Number
60
-
275001HBK
Issue No. 2
Date 13/06/2011
Page
13
of
16
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
Critical Harness A coaxial cable harness with components of a critical length used to minimise phase
discrepancies when joining signal paths of differing frequencies.
DAS Distributed Antenna System
DC Direct Current
Downlink (D/L) Signals transmitted from the BTS to the Mobiles
DSP
Digital Signal Pro
cessing
F/O Fiber 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)
SDR Software-Defined Radio
S/N Serial Number
TX Transmitter (Transmitted)
Uplink (U/L) Signals transmitted from the Mobiles to the BTS
UPS
Uninterruptible Power Supply
VSWR Voltage Standing Wave Ratio
WDM Wave division multiplex
Date Format Date Format used in this document is dd/mm/yyyy