User's Manual

Advanced RF Technologies, Inc.
13
Terms and Abbreviations
The following is a list of abbreviations and terms used throughout this document.
Abbreviation/Term Definition
AGC Automatic Gain Control
ALC Automatic Level Control
AROMS ADRF’ Repeater Operation and Management System
BCU Band Combiner Unit
BTS Base Transceiver Station
CDMA Code Division Multiple Access
CHC Channel combiner
CW Continuous Wave (un-modulated signal)
DAS Distributed Antenna System
DL Downlink
Downlink The path covered from the Base Transceiver Station (BTS) to the subscribers’ service
area via the repeater
HE Head End
HPA High Power Amplifier
HW Hardware
IF Intermediate Frequency
LNA Low Noise Amplifier
LTE Long Term Evolution
MS Mobile Station
NMS Network Management System
ODU Optic Donor Unit which is located in OPT. A OPT has two ODUs.
OEU Optic Expansion Unit
OPT Optic Unit
PLL Phased Locked Loop
PSU Power Supply Unit
RF Radio Frequency
RFU RF Channel Unit
RU Remote Unit which is composed of master RU and multiple slaves RU
SQE Signal Quality Estimate
Remote Module generic term for master RU and slave RU
SW Software
UL Uplink
Uplink The path covered from the subscribers’ service area to the Base Transceiver Station (BTS)
via the repeater
VSWR Voltage Standing Wave Ratio