|
2G |
Second generation of mobile telephony (GSM) |
|
3G |
Third generation of mobile telephony (UMTS) |
|
4G |
Fourth generation of mobile telephony (LTE) |
|
AMR |
Adaptive multi-rate |
|
AMR-HR |
Adaptive multi-rate half rate |
|
AMR-WB |
Adaptive multi-rate wideband |
|
AP |
Aggregation point |
|
AUC |
Authentication centre |
|
BH |
Busy hour |
|
BHCA |
Busy-hour call attempts |
|
BHE |
Busy-hour Erlangs |
|
BHSMS |
Busy-hour SMS |
|
BSC |
Base-station controller |
|
BTS |
Base transmitter station or base station |
|
BU |
Bottom-up |
|
BU-LRIC |
Bottom-up – Long Run Incremental Costs (LRIC) |
|
CAPEX |
Capital expenditure |
|
CCA |
Current Cost Accounting |
|
CDMA |
Code-division multiple access |
|
CDR |
Call data record |
|
CE |
Channel element |
|
CK |
Channel kit |
|
CPU |
Central processing unit |
|
CS |
Circuit-switched |
|
CS |
Call server |
|
CSCF |
Call session control function |
|
DCS |
Digital Cellular System |
|
DD |
Draft Decision |
|
DNS |
Domain name system |
|
DSL |
Digital subscriber line |
|
DTM |
Data traffic manager |
|
E1 |
2Mbit/s unit of capacity |
|
ECL |
Electronic Communications Law |
|
ED |
Economic depreciation |
|
EDGE |
Enhanced data rate for GSM evolution |
|
EIR |
Equipment identity register |
|
eNodeB |
Evolved Node B |
|
ENUM |
Enumeration |
|
EPC |
Enhanced packet core |
|
EPMU |
Equi-proportional mark-up |
|
E-UTRAN |
Evolved universal terrestrial radio access network |
|
€c |
Euro cents |
|
FAC |
Fully allocated cost |
|
FDD |
Frequency division duplex |
|
FL-LRIC |
Forward-looking long-run incremental cost |
|
GGSN |
Service GPRS support node |
|
GPRS |
General Packet Radio Service |
|
GSM |
Global system for mobile communications |
|
GSN |
GPRS Serving Node |
|
HCA |
Historical Cost Accounting |
|
HLR |
Home location register |
|
HSDPA |
High-speed downlink packet access |
|
HSPA |
High Speed Packet Access |
|
HSS |
Home subscriber server |
|
HSUPA |
High-speed uplink packet access |
|
IMS |
IP multimedia subsystem |
|
IN |
Intelligent network |
|
IP |
Internet protocol |
|
IRU |
Indefeasible right of use |
|
LMA |
Last-mile access |
|
LRAIC |
Long-run average incremental cost |
|
LRAIC “+” |
Long Run Average Incremental Costs, where “+” represents an increment intended for the recovery of part of joint and/or common costs |
|
LRIC |
Long Run Incremental Cost |
|
LTE |
Long Term Evolution, also known as 4G. |
|
LTE-AP |
LTE aggregation point |
|
Market 2 |
Wholesale voice call termination on individual mobile networks |
|
Mbit/s |
Mega bits per second |
|
MB |
Mega Bytes |
|
MBB |
Mobile broadband |
|
MEA |
Modern-equivalent asset |
|
MGW |
MediaGateway |
|
MIMO |
Multiple input, multiple output |
|
MME |
Mobility management entry |
|
MMS |
Multimedia messaging service |
|
MMSC |
MMS centre |
|
MNO |
Mobile Network Operator |
|
MoU |
Memorandum of Understanding |
|
MSC |
Mobile switching centre |
|
MSS |
Mobile switching centre server |
|
MT |
Mobile termination |
|
MTR |
Mobile termination rate |
|
MVNO |
Mobile Virtual Network Operator |
|
NDA |
Non-disclosure agreement |
|
NGN |
Next Generation Networks |
|
NMS |
Network management system |
|
Node B |
UMTS equivalent of a BTS |
|
NPV |
Net present value |
|
NRA |
National regulatory authority |
|
ODF |
Optical distribution frame |
|
OFDM |
Orthogonal frequency division multiplexing |
|
OPEX |
Operational Expenditure |
|
OTT |
Over-the-top service |
|
PCRF |
Policy and charging rules function |
|
PCU |
Packet control unit |
|
PDN-G |
Packet data network gateway |
|
PDP |
Packet data protocol |
|
PGW |
PDN Gateway |
|
PoI |
Point of interconnection |
|
PoP |
Point of presence |
|
PS |
Packet switched |
|
PV |
Present value |
|
QAM |
Quadrature amplitude modulation |
|
QPSK |
Quadrature phase-shift keying |
|
R99 |
Release-99 |
|
RAN |
Radio access network |
|
RNC |
Radio network controller |
|
SAU |
Simultaneous active users |
|
SBC |
Session border controller |
|
SDCCH |
Stand-alone dedicated control channel |
|
SGSN |
Serving GPRS support node |
|
SGW |
Serving gateway |
|
SIM |
Subscriber identity module |
|
SMP |
Significant Market Power |
|
SMS |
Short message service |
|
SMSC |
Short message service centre |
|
SNOCC |
Scorched-node coverage coefficient |
|
STM |
Synchronous transfer mode |
|
SWG |
Server gateway |
|
TAS |
Telephony application servers |
|
TCH |
Traffic channel |
|
TDD |
Time division duplex |
|
TRX |
Transceiver Unit |
|
UMTS |
Universal mobile telecoms system |
|
UTRAN |
UMTS terrestrial radio access network |
|
VAS |
Value-added services |
|
VLR |
Visitor location register |
|
VMS |
Voice mail system |
|
VoIP |
Voice over Internet Protocol |
|
VoLTE |
Voice over LTE |
|
WACC |
Weighted Average Cost of Capital |
|
WAP |
Wireless application protocol |
