Advanced RF Technologies, Inc.
9
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
LPR
Low Power Remote Unit
LTE
Long Term Evolution
MPR
Medium Power Remote Unit
MS
Mobile Station
NMS
Network Management System
ODU
Optic Donor Unit which is located in ADXD-HE.
OEU
Optic Expansion Unit
ORU
Optic Remote Unit which is located in ADXD-MPR.
PLL
Phased Locked Loop
POI
Point Of Interface
PSU
Power Supply Unit
RF
Radio Frequency
RU
Remote Unit which is composed of ORU and RMs of plural bands
RM
Remote Module which is assigned per band
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
Содержание ADXD DAS
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