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   

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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