3GPP | Third-Generation Partnership Project |
AB | access burst |
ABM | asynchronous balanced mode |
ADM | asynchronous disconnected mode |
AC | address control |
ACK | acknowledgment |
ADC | analog-to-digital converter |
AGC | automatic gain control |
AGCH | access grant channel |
AM | amplitude modulation |
AoCC | advice of charge-charging |
AoCI | advice of charge-Information |
APN | Access Point Network |
ARFC | absolute radio frequency channel |
ARFCN | absolute radio frequency channel number |
ARIB | Association of Radio Industries and Businesses |
ARQ | automatic repeat request |
AuC | authentication center |
BC | bearer channel |
BCCH | broadcast control channel |
BCS | block check sequence |
BDP | bandwidth delay product |
BECN | backward explicit congestion notification |
BER | bit error rate |
BEP | bit error probability |
BGIWP | barring of GPRS interworking profile |
BH | block header |
BLER | block error rate |
BSC | base station controller |
BSIC | base station identity code |
BSN | block sequence number |
BSS | base station system |
BSSAP+ | base station system application part+ |
BSSGP | base station system GPRS protocol |
BTS | base transceiver station |
BVC | BSSGP virtual connection |
BVCI | BSSGP virtual connection identifier |
CA | certification authority |
CA | cell allocation |
CBCH | cell broadcast channel |
CCCH | common control channels |
CDMA | code-division multiple access |
CDPD | cellular digital packet data |
CHAP | challenge handshake authentication protocol |
CI | cell identifier |
C/I | carrier-to-interference ratio |
CIR | channel impulse response |
CKSN | ciphering key sequence number |
CLNP | connectionless network protocol |
CLNS | connectionless network service |
CN | core network |
CONS | connection-oriented network service |
CPM | continuous phase modulation |
CQC | client query capability |
CRC | cyclic redundancy check |
CS | coding scheme |
CU | cell update |
CUG | closed user group |
CV | countdown value |
CWTS | China Wireless Telecommunication Standard Group |
D | direction |
DAC | digital-to-analog converter |
dc | direct current |
DCS1800 | Digital Cellular System, GSM based on 1,800 MHz band |
DISC | disconnect |
DL | downlink |
DLCI | data link connection identifier |
DM | disconnected mode |
DNS | domain name server |
DRX | discontinuous reception |
DSC | downlink signaling counter |
DTE | data terminal equipment |
DTM | dual transfer mode |
E | extention |
EDGE | Enhanced Data rates for Global Evolution |
EGPRS | Enhanced General Packet Radio Service |
EIR | equipment identity register |
EMS | enhanced message service |
ES/P | EGPRS supplementary/polling |
ETSI | European Telecommunication Standards Institute |
FACCH | fast associated control channel |
FB | frequency correction burst |
FBI | final block indicator |
FCCH | frequency correction channel |
FCS | frame check sequence |
FDD | frequency-division duplex |
FDMA | frequency-division multiple access |
FECN | forward explicit congestion notification |
FH | frame header |
FH | frequency hopping |
FN | frame number |
FR | frame relay |
FRMR | frame reject |
FS | final segment |
GERAN | GSM EDGE radio access network |
GGSN | gateway GPRS support node |
GMM | GPRS mobility management |
GMSC | gateway mobile-service switching center |
GMSK | Gaussian minimum shift keying |
GPRS | General Packet Radio Service |
GSM | Global System for Mobile Communications |
GSMS | GPRS Short Message Service |
GSN | GPRS support node |
GT | global title |
GTP | GPRS tunnelling protocol |
HCS | header check sequence |
HDLC | high-level data link control |
HLR | home location register |
HPLMN | home public land mobile network |
HSCSD | high-speed circuit-switched data |
HSN | hopping sequence number |
HTML | HyperText Markup Language |
HTx | hilly terrain propagation channel, with speed x km/hr |
I | information |
IF | intermediate frequency |
IM | implementation margin |
IMAP | Internet Message Access Protocol |
IMC | Internet Mail Consortium |
IMEI | international mobile equipment identity |
IMGI | international mobile group identity |
IMSI | international mobile subscriber identity |
IN | intelligent network |
IP | Internet Protocol |
IP3 | third-order intercept point |
IPCP | Internet Protocol Control Protocol |
IPLMN | interrogating PLMN |
IP-M | Internet Protocol multicast |
ISDN | Integrated Services Digital Network |
ISI | intersymbol interference |
ISL | input signal level |
ISP | Internet service provider |
LA | location area |
LAC | location area code |
LAI | location area identifier |
LAPD | link access procedure on the D-channel |
LCP | link control protocol |
LI | length indicator |
L2TP | layer-two tunneling protocol |
LLC | logical link control |
LLE | logical link entity |
LMI | link management interface |
LO | local oscillator |
LSP | link selector parameter |
M | more |
MA | mobile allocation |
MAC | medium access control |
MAC | message authentication code |
MAIO | mobile allocation index offset |
MAP | mobile application part |
ME | mobile equipment |
MM | Mobility Management |
MMS | multimedia messaging service |
MS | mobile station |
MSC | mobile-services switching center |
MSK | minimum shift keying |
MSISDN | mobile station ISDN number |
MT | mobile terminal |
MTP | message transfer part |
MTU | maximum transmission unit |
NAP | network access point |
NB | normal burst |
NCP | network control protocol |
NER | nominal error rate |
NF | noise factor |
NM | network management |
NMC | network management center |
NNI | network-network interface |
N-PDU | network protocol data unit |
NS | network service |
NSAPI | network service access point identifier |
NSC | network service control |
NSDU | network service data unit |
NSE | network service entity |
NSEI | network service entity identifier |
NSS | network subsystem |
NS-VC | network service virtual connection |
NS-VCI | network service virtual connection identifier |
NS-VL | network service virtual link |
NS-VLI | network service virtual link identifier |
NZIF | near-zero intermediate frequency |
O&M | operation and maintenaince |
OOS | origin offset suppression |
OSR | oversampling ratio |
OSS | operator-specific services |
OTA | over the air |
PA | power amplifier |
PACCH | packet associate control channel |
PAGCH | packet access grant channel |
PAP | PPP authentication protocol |
PAP | push access protocol |
PBCCH | packet broadcast control channel |
PC | power control |
PCH | paging channel |
PCCCH | packet common control channel |
PCS1900 | Personal Communication System, GSM based on 1,900- MHz band |
PCU | packet control unit |
PDA | personal digital assistant |
PDC | Personal Digital Cellular |
PDCH | packet data channel |
PDTCH | packet data traffic channel |
PDN | packet data network |
PDP | packet data protocol |
PDU | protocol data unit |
PFI | packet flow identifier |
PFM | packet flow management |
PI | push initiator |
PIM | personal information manager |
PKI | public key infrastructure |
PLL | phase locked loop |
PLL | physical link layer |
PLMN | public land mobile network |
PNCH | packet notification channel |
POP | Post Office Protocol |
PO-TCP | PPG-originated TCP connection establishment method |
PPCH | packet paging channel |
PPG | push proxy gateway |
ppm | parts per million |
PPP | point-to-point protocol |
PR | power reduction |
PRACH | packet random access channel |
PSI | packet system information |
PSTN | Public Switched Telephone Network |
PT | payload type |
PTCCH | packet timing advance control channel |
P-TMSI | packet-temporary mobile station identity |
PTP | point-to-point |
PVC | permanent virtual circuit |
QoS | quality of service |
R | retry |
RA | routing area |
RAC | Routing Area Code |
RADIUS | Remote Authentication Dial-In User Service |
RAx | rural area propagation channel, with speed x km/hr |
RACH | random access channel |
RAI | routing area identity |
RAN | radio access network |
RAS | remote access server |
RBSN | reduced block sequence number |
RDF | resource description framework |
RF | radio frequency |
RFL | reference frequency list |
RLC | radio link control |
RMS | root mean square |
RNR | receiver not ready |
RR | receiver ready |
RR | radio resource |
RRBP | relative reserved block period |
RRM | radio resource management |
RT | real time |
RTI | radio transaction identifier |
Rx | reception |
RXLEV | received signal level measurement |
RXQUAL | receive signal quality measurement |
SA | service architecture |
SABM | set asynchronous balanced mode |
SACCH | slow associated control channel |
SACK | selective acknowledgment |
SAP | service access point |
SAPI | service access point identifier |
SATK | SIM application toolkit |
SB | synchronization burst |
SCCP | signaling connection control part |
SCH | synchronization channel |
SCP | service control point |
SDCCH | stand-alone dedicated control channel |
SDU | service data unit |
SGSN | serving GPRS support node |
SI | service indication |
SI | stall indicator |
SI | system information |
SIM | subscriber identity module |
SL | service loading |
SM | session management |
SMG | special mobile group |
SMS | Short Message Service |
SMS-GMSC | Short Message Service-gateway MSC |
SMS-IWMSC | Short Message Service-Interworking MSC |
SMTP | Simple Mail Transfer Protocol |
SNDCP | subnetwork dependent convergence protocol |
SN-PDU | SNDCP PDU |
SNR | signal-to-noise ratio |
SNS | subnetwork service |
S/P | supplementary/polling |
SRES | signed result |
SS7 | Signaling System No. 7 |
SVC | switched virtual circuit |
T | terminal |
TA | timing advance |
TBF | temporary block flow |
TCAP | transaction capabilities application part |
TCH | traffic channel |
TCP | Transmission Control Protocol |
TDD | time-division duplex |
TDMA | time-division multiple access |
TE | terminal equipment |
TEID | Tunnel Endpoint Identifier |
TFI | temporary flow identity |
TFT | traffic flow template |
TI | TLLI indicator |
TLLI | temporary link level identity |
TLS | transport layer security |
TMSI | temporary mobile subscriber identity |
TOS | type of service |
TPI | transport information items |
TRAU | Transcoding and Adaptation Unit |
TRX | tansceiver |
TS | training sequence |
TSC | training sequence code |
TSG | technical specification group |
TTA | Telecommunications Technology Association |
TTC | Telecommunication Technology Committee |
Tx | transmission |
TUx | typical urban propagation channel, with speed x km/h |
UDP | User Datagram Protocol |
UI | unconfirmed information |
UL | uplink |
UNI | user-network interface |
URL | Uniform Resource Locator |
USF | uplink state flag |
USIM | User Service Identity Module |
USSD | unstructured supplementary service data |
UWCC | Universal Wireless Communications Corporation |
VC | virtual circuit |
VLR | visitor location register |
VPLMN | visited public land mobile network |
WIM | wireless identity module |
WWW | World Wide Web |
XID | exchange identification |
ZIF | zero intermediate frequency |