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Wednesday, 20 January 2016

Telecom Abbreviations

ABB
Full Form
3GPP
3rd Generation Partnership Project  
ACIR
Adjacent Channel Interference Ratio  
ACK
Acknowledgement     
ACLR
Adjacent Channel Leakage Ratio  
ACP
Automatic Cell Planning   
ACS
Adjacent Channel Selectivity   
AES
Advanced Encryption Standard   
AGW
Access Gateway    
AIF
Auto-Integration Function    
AISG
Antenna Interface Standards Group  
AM
Acknowledged Mode    
AMBR
Aggregate Maximum Bit Rate  
A-MPR
Additional Maximum Power Reduction  
ANR
Automated Neighbour Relation   
APAC
Asia Pacific    
API
Application Programming Interface   
APN
Access Point Name   
ARP
Allocation and Retention Priority  
ARQ
Automatic Repeat Request   
ARW
Add RBS Wizard   
AS
Access Stratum    
AS
Application Server    
A-SBG
Access SBG    
ASC
Antenna System Controller   
ASD
Automatic SW Download   
ASSL
Adjacent Subcarrier Set Leakage  
ASSR
Adjacent Subcarrier Set Rejection  
BCCH
Broadcast Control Channel   
BCH
Broadcast Channel    
BEM
Block Edge Masks   
BM-SC
Broadcast-Multicast Service Center   
BS
Base Station    
BSR
Buffer Status Report   
BW
Bandwidth     
C/I
Carrier-to-Interference Power Ratio   
CA
Certificate Authority    
CAPEX
Capital Expenditure    
CAZAC
Constant Amplitude Zero Auto-Correlation  
CCCH
Common Control Channel   
CCE
Control Channel Element   
CDD
Cyclic Delay Diversity   
CDF
Cumulative Distribution Function   
CDMA
Code Division Multiple Access  
CE
Carrier Ethernet    
CEPT
The European Conference of Postal and Telecommunications
CM
Configuration Management    
CMC
Connection Mobility Control   
CMDB
Configuration Management Data Base  
CN
Core Network    
COMINF
Common O&M Infrastructure   
CO-OP
Cooperative Open-OSS Project (interface also called Itf-P2P)
CORBA
Common Object Request Broker Architecture 
CP
Cyclic Prefix    
CP
Control Plane    
CPC
Continous Packet Connectivity   
C-plane
Control Plane    
CQI
Channel Quality Indicator   
CRC
Cyclic Redundancy Check   
C-RNTI
Cell RNTI    
CS
Circuit Switched    
CSCF
Call Session Control Function  
CSG
Closed Subscriber Group   
CSV
Comma-Separated Values    
CTR
Cell TRace    
CW
Codeword     
CW
Continuous-wave     
DCCH
Dedicated Control Channel   
DCH
Dedicated Channel    
DCI
Downlink Control Information   
DCN
Data Communication Network   
DFT
Discrete Fourier Transform   
DFT-S-OFDM
DTF Spread OFDM   
DHCP
Dynamic Host Configuration Protocol  
DL
Downlink     
DL-SCH
Downlink Shared Channel   
DNS
Domain Name Service   
DRB
Data Radio Bearer   
DRX
Discontinuous Reception    
DSCP
Differentiated Services Code Point  
DTCH
Dedicated Traffic Channel   
DTX
Discontinuous Transmission    
DwPTS
Downlink Pilot Time Slot  
EBS
Event Based Statistics   
ECC
Electronic Communications Committee   
ECGI
E-UTRAN Cell Global Identifier  
ECM
EPS Connection Management   
E-DCH
Enhanced DCH    
EHPLMN
Equivalent Home PLMN   
EMEA
Europe, Middle East and Africa 
EMM
EPS Mobility Management    
eNB
E-UTRAN NodeB    
eNodeB
B E-UTRAN NodeB   
EPC
Ericsson Policy Control   
EPC
Evolved Packet Core   
EPS
Evolved Packet System (E-UTRAN and EPC)
E-RAB
E-UTRAN Radio Access Bearer  
ETSI
European Telecommunications Standards Institute  
ETWS
Earth Quake and Tsunami Warning System
E-UTRA
Evolved UTRA    
E-UTRAN
Evolved UTRAN, used as synonym for LTE
EV-DO
Evolution - Data Optimized  
EVM
Error Vector Magnitude   
FCC
Federal Communications Commission   
FDD
Frequency Division Duplex   
FDM
Frequency Division Multiplexing   
FDMA
Frequency Division Multiple Access  
FEC
Forward Error Correction   
FFS
For Further Study   
FFT
Fast Fourier Transform   
FM
Fault Management    
FMX
Fault Management Expert   
FQDN
Fully Qualified Domain Name  
FS
Frame Structure    
FTP
File Transfer Protocol   
GBR
Guaranteed Bit Rate   
GCL
Generalized Chirp Like   
GE
Gigabit Ethernet    
GERAN
GSM EDGE Radio Access Network 
GGSN
Gateway GPRS Support Node  
GMPLS
Generalized Multi-Protocol Label Switching  
GNSS
Global Navigation Satellite System  
GP
Guard Period    
GPRS
General Packet Radio Service  
GSM
Global System for Mobile communication 
GTP
GPRS Tunneling Protocol   
GTP-C
GTP Control    
GTP-U
GTP User Data Tunneling  
GUI
Graphical user Interface   
GUTI
Globally Unique Temporary Identifier  
GW
Gateway     
HA-CS
High Availability Cluster Solution  
HARQ
Hybrid ARQ    
HO
Handover     
HOM
Higher Order Modulation   
HPLMN
Home PLMN    
HRPD
High Rate Packet Data  
HSDPA
High Speed Downlink Packet Access 
HS-DSCH
High Speed Downlink Shared Channel 
HSPA
High Speed Packet Access  
HSS
Home Subscriber Server   
HSUPA
High Speed Uplink Packet Access 
HTTP
Hypertext Transfer Protocol   
HW
Hardware     
IASA
Inter-Access Anchor    
ICIC
Inter-Cell Interference Coordination   
I-CSCF
Interrogating CSCF    
LTE
10A Air Interface   
-
210 - © Ericsson 2009 LZT 123
ID
Identifier     
IEEE
Institute of Electrical and Electronics Engineers
IETF
Internet Engineering Task Force  
IFFT
Inverse FFT    
IMEI
International Mobile Equipment Identity  
IMS
IP Multimedia Telephony   
IMS
IP Multimedia subsystem   
IMSI
Individual Mobile Subscriber Identity  
IMT
International Mobile Telecommunications   
IP
Internet Protocol    
IRAT
Inter Radio Access Technology  
IS
Integrated Site    
ITU
International Telecommunications Union    
ITU-R
ITU Radio communication Sector  
JSR
Java Specification Request   
KPI
Key Performance Indicator   
LB
Load Balancing    
LCID
Logical Channel ID   
LCR
Low Chip Rate   
LCR-TDD
Low Chip Rate TDD  
LDC
Linear Dispersion Code   
LDPC
Low-Density Parity-check Code   
LED
Light Emitting Diode   
LTE
Long Term Evolution, used as synonym for
MAC
Medium Access Control   
MBA
Management Based Activation   
MBMS
Multimedia Broadcast Multicast Service  
MBR
Maximum Bit Rate   
MBSFN
Multicast Broadcast Single Frequency Network 
MCCH
Multicast Control Channel   
MCE
Multi-cell/multicast Coordination Entity   
MCH
Multicast Channel    
MCS
Modulation and Coding Scheme  
MEF
Mobile Entertainment Forum   
MGC
Media Gateway Controller   
MGW
Media Gateway    
MIB
Master Information Block   
MIB
Management Information Base   
MIMO
Multiple Input Multiple Output  
ML-PPP
Multilink point to point protocol 
MM
Multi Mediation    
MM
Mobility Management    
MME
Mobility Management Entity   
MMS
Multimedia Messaging Service Managed Objects interface (MOCI)
MMTel
Multi Media Telephony   
MOCI
Managed Object Configuration Interface  
MOP
Maximum Output Power   
MPLS
Multiple Protocol Label Switching  
MPR
Maximum Power Reduction   
MS
Management Services    
MSAP
MCH Subframe Allocation Pattern  
MTAS
Multimedia Telephony Application Server  
MTCH
Multicast Traffic Channel   
MU-MIMO
Multiple User-MIMO    
mUPE
MBMS UPE    
NACK
Negative Acknowledgement    
NAS
Non-Access Stratum    
NCC
Network Color Code   
NCL
Neighbour Cell List   
NCLI
Node Command Line Interface  
NCS
Neighbouring Cell Support   
NE
Network Element    
NEM
Network Element Manager   
NGMN
Next Generation Mobile Networks  
NGSA
Next Generation Service Assurance  
NH
Next Hop Key   
NM
Network Management    
NMS
Network Management System   
NMX
Network level deployment of expert rules
NOC
Network Operations Center   
NR
Neighbor cell Relation   
NRT
Non Real Time   
N-SBG
Network SBG    
O&M
Operation and Maintenance   
OAM
Operations Administration and Management  
OFDM
Orthogonal Frequency Division Multiplexing  
OFDMA
Orthogonal Frequency Division Multiple Access 
OMC
Operation and Maintenance Center  
OOB
Out Of Band   
OPEX
Operating Expenditures    
OSS
Operation and Support System  
OSS-RC
Operation and Support System Radio and Core
OTN
Operator Terminal Network   
P(N)CCH
Paging (and Notification) Control Channel 
P2P
Peer-to-Peer     
PA
Power Amplifier    
PAPR
Peak to Average Power Ratio 
PAR
Peak to Average Ratio  
PARC
Per Antenna Rate Control  
PBBTE
Provider Backbone Bridge Traffic Engineering 
PBC
Power and Battery Cabinet  
PBCH
Physical Broadcast CHannel   
PBN
Packet Backbone Network   
PBR
Prioritised Bit Rate   
PCC
Policy Charging Control   
PCCH
Paging Control Channel   
PCEF
Policy Charging Enforcement Function  
PCFICH
Physical Control Format Indicator CHannel 
PCH
Paging Channel    
PCI
Physical Cell ID   
PCRF
Policy Control and Charging Rules Function
P-CSCF
Proxy - Call Session Control Function
PDCCH
Physical Downlink Control CHannel  
PDCP
Packet Data Convergence Protocol  
PDN
Packet Data Network   
PDP
Packet Data Protocol   
PDSCH
Physical Downlink Shared CHannel  
PDU
Protocol Data Unit   
P-GW
PDN Gateway    
PHICH
Physical Hybrid ARQ Indicator CHannel 
PHR
Power Headroom Report   
PHS
Personal Handy-phone System   
PHY
Physical layer    
PLMN
Public Land Mobile Network  
PM
Performance Management    
PMCH
Physical Multicast CHannel   
PMI
Precoder Matrix Indicator   
PMIP
Proxy Mobile IP   
PnP
Plug and Play   
PoP
Point of Presence   
PRACH
Physical Random Access CHannel  
PRB
Physical Resource Block   
P-RNTI
Paging RNTI    
PS
Packet Switched    
PSC
Packet Scheduling    
P-SCH
Primary Synchronization Channel   
PSK
Pre-Shared Keys    
PSTN
Public Switched Telephone Network  
PTT
Push to Talk   
PUCCH
Physical Uplink Control CHannel  
PUSCH
Physical Uplink Shared Channel  
QAM
Quadrature Amplitude Modulation   
QCI
QoS Class Identifier   
QoS
Quality of Service   
QPP
Quadrature Permutation Polynomial   
QPSK
Quadrature Phase Shift Keying  
RA
Random Access    
RA
Registration Authority    
RAC
Radio Admission Control   
RACH
Random Access Channel   
RAN
Radio Access Network   
RANAP
RAN Application Part   
RA-RNTI
Random Access RNTI   
RAT
Radio Access Technology   
RB
Radio Bearer    
RB
Resource Block    
RBC
Radio Bearer Control   
RBG
Radio Bearer Group   
RBS
Radio Base Station   
RET
Remote Electrical Tilt   
RF
Radio Frequency    
RFC
Request For Comment   
RI
Rank Indicator    
RLC
Radio Link Control   
RM
Rate Matching    
RNC
Radio Network Controller   
RNL
Radio Network Layer   
RNTI
Radio Network Temporary Identifier  
ROHC
Robust Header Compression   
ROP
Recording Output Periods   
RPLMN
Registered PLMN    
RRC
Radio Resource Control   
RRM
Radio Resource Management   
RRU
Radio Remote Unit    
RS
Reference Symbols    
RS
Reference Signal    
RSN
Retransmission SN    
RT
Real Time    
RTCP
RTP Control Protocol   
RTP
Real Time Transport Protocol  
RTSP
Real Time Streaming Protocol  
RU
Resource Unit    
RX
Receiver     
S1-MME
S1 for the control plane 
S1-U
S1 for the user plane 
SAE
System Architecture Evolution   
SAP
Service Access Point   
SB
Scheduling Block    
SBC
Session Border Controller   
SBG
Session Border Gateway   
SCCH
Shared Control Channel   
SCCP
Signaling Connection Control Part  
SCEP
Simple Certificate Enrolment Protocol  
SC-FDMA
Single Carrier – Frequency Division Multiple Access
SCH
Synchronization Channel    
S-CSCF
Serving CSCF    
SCTP
Streaming Control Transmission Protocol  
SDF
Service Data Flow   
SDH
Synchronous Digital Hierarchy   
SDMA
Spatial Division Multiple Access  
SDP
Session Description Protocol   
SDU
Service Data Unit   
SeGW
Security Gateway    
SEM
Spectrum Emission Mask   
SFN
System Frame Number   
SFP
Small Form factor Pluggable  
LTE
10A Air Interface   
S-FTP
Secure File transfer protocol  
SGSN
Serving GPRS Support Node  
S-GW
Serving Gateway    
SI
System Information    
SIB
System Information Block   
SINR
Signal to Interference and Noise Ratio
SIP
Session Initiation Protocol   
SIR
Signal to Interference Ratio  
SI-RNTI
System Info RNTI   
SISO
Single Input Single Output  
SLA
Service Level Agreement   
SLO
Service Level Objectives   
SM
Session Management    
SMO
Software Manager Organizer   
SMRS
Software Management Repository   
SMS
Short Message Service   
SN
Sequence Number    
SNF
Service Network Framework   
SNR
Signal to Noise Ratio  
SON
Self Organizing Networks   
SOX
Simple Outline XML   
S-PARC
Selective PARC    
SPID
Subscriber Profile ID for RAT/Frequency Priority
SQL
Structured Query Language   
SR
Scheduling Request    
SRB
Signaling Radio Bearer   
S-SCH
Secondary Synchronization Channel   
SSH
Secure Shell    
SSL
Secure Sockets Layer   
SSLIOP
IIOP over SSL   
S-TMSI
SAE-TMSI     
SU
Scheduling Unit    
SU-MIMO
Single-User MIMO    
SW
Soft Ware    
TA
Tracking Area     
TAS
Telephony Application Server   
TAU
Tracking Area Update   
TB
Transport Block    
TBD
To Be Decided   
TCP
Transmission Control Protocol   
TDD
Time Division Duplex   
TFCI
Transport Format Combination Indicator  
TFP
Traffic Forwarding Policy   
TFT
Traffic Flow Template   
TLP
TEMS LinkPlanner    
TM
Transparent Mode    
TMA
Tower Mounted Amplifier   
TMO
T-Mobile International AG   
TMSI
Temporary Mobile Subscriber Identity  
TNL
Transport Network Layer   
TSP
Ericsson Telecom Server Platform  
TTI
Transmission Time Interval   
TX
Transmit     
UCI
Uplink Control Information   
UE
User Equipment    
UETR
UE TRace    
UL
Uplink     
UL-SCH
Uplink Shared Channel   
UM
Unacknowledged Mode    
UMTS
Universal Mobile Telecommunication System  
UP
User Plane    
UPE
User Plane Entity   
U-plane
User plane    
UpPTS
Uplink Pilot Time Slot  
URA
UTRAN Routing Area   
UTRA
UMTS Terrestrial Radio Access  
UTRAN
UMTS Terrestrial Radio Access Network 
VoIP
Voice over IP   
VPLMN
Visited PLMN    
VRB
Virtual Resource Block   
WAP
Wireless Access Protocol   
WAPECS
Wireless Access Policy for Electronic Communications Services
WCDMA
Wideband Code Division Multiple Access 
WDM
Wavelength Division Multiplexing   
X2-C
X2-Control plane    
X2-U
X2-User plane    
XML
Extensible Markup Language   

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