3G extension of IS-95B: shared data and voice | |
1xDO | 3G extension of IS-95B: data only |
1xEV | 3G extension of IS-95B: data with circuit-switched voice |
1xRTT | 3G extension of IS-95B: one RF channel |
2G | Second Generation wireless technology |
3G | Third Generation wireless technology |
3GPP | 3G Partnership Project for Wideband CDMA standards base on backward compatability with GSM and IS-136/PDC |
3GPP2 | 3G Partnership Project for cdma2000 standards base on backward compatability with IS-95 |
3xRTT | 3G extension of IS-95B: three RF channels |
AC | Access Channel |
ACA | Adaptive Channel Allocation |
ACF | Autocorrelation function |
ACI | Adjacent Channel interference |
ACK | Acknowledge |
ADB/LIDB | Alternate Billing Service and Line Information Database |
ADM | Adaptive Delta Modulation |
ADPCM | Adaptive Digital Pulse Code Modulation |
ADSL | Asynchronous Digital Subscriber Line |
AGCH | Access Grant Channel |
AIN | Advanced Intelligent Network |
AM | Amplitude Modulation |
AMPS | Advanced Mobile Phone System |
ANSI | American National Standards Institute |
APC | Adaptive Predictive Coding |
ARDIS | Advance Radio Data Information Systems |
ARFCN | Absolute Radio Frequency Channel Numbers |
ARPU | Average Revenue Per User |
ARQ | Automatic Repeat Request |
ATC | Adaptive Transform Coding |
ATM | Asynchronous Transfer Mode |
AUC | Authentication Center |
AWGN | Additive White Gaussian Noise |
BER | Bit Error Rate |
BERSIM | Bit Error Rate Simulator |
BCH | Bose–Chaudhuri–Hocquenghem, also Broadcast Channel |
BCCH | Broadcast Control Channel |
BFSK | Binary Frequency Shift Keying |
BISDN | Broadband Integrated Services Digital Network |
BIU | Base Station Interface Unit |
BOC | Bell Operating Company |
BPSK | Binary Phase Shift Keying |
BRAN | Broadband Radio Access Networks |
BRI | Basic Rate Interface |
BSC | Base Station Controller |
BSIC | Base Station Identity Code |
BSS | Base Station Subsystem |
BT | 3 dB bandwidth-bit-duration product for GMSK |
BTA | Basic Trading Area |
BTS | Base Transceiver Station |
CAD | Computer-Aided Design |
CAI | Common Air Interface |
CATT | China Academy of Telecommunication Technology |
CB | Citizens Band |
CCCH | Common Control Channel |
CCH | Control Channel |
CCI | Co-channel Interference |
CCIR | Consultative Committee for International Radiocommunications |
CCITT | International Telgraph and Telephone Consultative Committee |
CCS | Common Channel Signaling |
CD | Collision Detection |
CDF | Cumulative Distribution Function |
CDMA | Code Division Multiple Access |
CDPD | Cellular Digital Packet Data |
CDVCC | Coded Digital Verification Color Code |
CELP | Code Excited Linear Predictor |
CFP | Cordless Fixed Part |
C/I | Carrier-to-Interference Ratio |
CIC | Circuit Identification Code |
CIR | Carrier-to-Interference Ratio |
CIU | Cellular Controller Interface Unit |
CLNP | Connectionless Protocol (Open System Interconnect) |
CMA | Constant modulus algorithm |
CNR | Carrier-to-Noise Ratio |
CNS | Comfort Noise Subsystem |
CO | Central Office |
codec | Coder/decoder |
COST | Cooperative for Scientific and Technical Research |
CPE | Customer Premises Equipment |
CPFSK | Continuous Phase Frequency Shift Keying |
CPP | Cordless Portable Part |
CRC | Cyclic Redundancy Code |
CSMA | Carrier Sense Multiple Access |
CT2 | Cordless Telephone -2 |
CVSDM | Continuously Variable Slope Delta Modulation |
CW | Continuous Wave |
DAM | Diagnostic Acceptability Measure |
DAS | Distributed Antenna System |
DBAS | Database Service Mangement System |
dBi | dB gain with respect to an isotropic antenna |
dBd | dB gain with respect to a half-wave dipole |
DCA | Dynamic Channel Allocation |
DCCH | Dedicated Control Channel |
DCE | Data Circuit Terminating Equipment |
DCS | Digital Communication System |
DCS1800 | Digital Communication System—1800 |
DCT | Discrete Cosine Transform |
DECT | Digital European Cordless Telephone |
DEM | Digital Elevation Model |
DFE | Decision Feedback Equalization |
DFT | Discrete Fourier Transform |
DLC | Data Link Control |
DM | Delta Modulation |
DPCM | Differential Pulse Code Modulation |
DQPSK | Differential Quadrature Phase Shift Keying |
DRT | Diagnostic Rhyme Test |
DS | Direct Sequence |
DSAT | Digital Supervisory Audio Tone |
DSE | Data Switching Exchange |
DS/FHMA | Hybrid Direct Sequence/Frequency Hopped Multiple Access |
DSL | Digital Subscriber Line |
DSP | Digital Signal Processing |
DS-SS | Direct Sequence Spread Spectrum |
DST | Digital Signaling Tone |
DTC | Digital Traffic Channel |
DTE | Data Terminal Equipment |
DTMF | Dual Tone Multiple Frequency |
DTX | Discontinuous Transmission Mode |
DUP | Data User Part |
EDGE | Enhanced Data Rates for GSM Evolution |
EIA | Electronic Industry Association |
EIR | Equipment Identity Register |
EIRP | Effective Isotropic Radiated Power |
Eb/N0 | Bit Energy-to-noise Density |
EOC | Embedded Operations Channel |
erf | Error Function |
erfc | Complementary Error Function |
ERMES | European Radio Message System |
ERP | Effective Radiated Power |
E-SMR | Extended — Specialized Mobile Radio |
ESN | Electronic Serial Number |
ETACS | Extended Total Access Communication System also European Total Access Cellular System |
ETSI | European Telecommunications Standard Institute |
FACCH | Fast Associated Control Channel |
FAF | Floor Attenuation Factor |
FBF | Feedback Filter |
FC | Fast Channel |
FCC | Federal Communications Commission, Inc., also Forward Control Channel |
FCCH | Frequency Correction Channel |
FCDMA | Hybrid FDMA/CDMA |
FDD | Frequency Division Duplex |
FDMA | Frequency Division Multiple Access |
FDTC | Forward Data Traffic Channel |
FEC | Forward Error Correction |
FFF | Feed Forward Filter |
FFSR | Feed Forward Signal Regeneration |
FH | Frequency Hopping |
FHMA | Frequency Hopped Multiple Access |
FH–SS | Frequency Hopped Spread Spectrum also Frequency Hopping Spread Spectrum |
FLEX | 4-level FSK-based paging standard developed by Motorola |
FM | Frequency Modulation |
FN | Frame Number |
FPLMTS | Future Public Land Mobile Telephone System |
FSE | Fractionally Spaced Equalizer |
FSK | Frequency Shift Keying |
FTF | Fast Transversal Filter |
FVC | Forward Voice Channel |
GIS | Graphical Information System |
GIU | Gateway Interface Unit |
GMSK | Gaussian Minimum Shift Keying |
GOS | Grade of Service |
GPRS | General Packet Radio Service |
GSC | Golay Sequential Coding (a 600 bps paging standard) |
GSM | Global System for Mobile Communication also Global System Mobile |
HAAT | Height Above Average Terrain |
HSCSD | High Speed Circuit Switched Data |
HDB | Home Database |
HDR | High Data Rate |
HIPERLAN | High Performance Radio Local Area Network |
HLR | Home Location Register |
IDCT | Inverse Discrete Cosine Transform |
iDen | Integrated Digital Enhanced Network |
IDFT | Inverse Discrete Fourier Transform |
IEEE | Institute of Electrical and Electronics Engineers |
IF | Intermediate Frequency |
IFFT | Inverse Fast Fourier Transform |
IGA | Improved Gaussian Approximation |
IIR | Infinite Impulse Response |
IM | Intermodulation |
IMSI | International Mobile Subscriber Identity |
IMT-2000 | International Mobile Telecommuncation 2000 |
IMTS | Improved Mobile Telephone Service |
IP | Internet Protocol |
IS-54 | EIA Interim Standard for U.S. Digital Cellular with Analog Control Channels |
IS-95 | EIA Interim Standard for U.S. Code Division Multiple Access |
IS-136 | EIA Interim Standard 136 — USDC with Digital Control Channels |
ISDN | Integrated Services Digital Network |
ISI | Intersymbol Interference |
ISM | Industrial, Scientific, and Medical |
ISUP | ISDN User Part |
ITFS | Instructional Television Fixed Service |
ITU | International Telecommunications Union |
ITU-R | ITU’s Radiocommunications Secto |
IXC | Interexchange Carrier |
JDC | Japanese Digital Cellular (later called Pacific Digital Cellular) |
JRC | Joint Radio Committee |
JTACS | Japanese Total Access Communication System |
JTC | Joint Technical Committee |
LAN | Local Area Network |
LAR | Log-area Ratio |
LATA | Local Access and Transport Area |
LBT | Listen-before-talk |
LCC | Lost Call Cleared |
LCD | Lost Call Delayed |
LCR | Level Crossing Rate |
LEC | Local Exchange Carrier |
LEO | Low Earth Orbit |
LMDS | Local Multipoint Distribution Systems |
LMS | Least Mean Square |
LOS | Line-of-sight |
LPC | Linear Predictive Coding |
LSSB | Lower Single Side Band |
LTE | Linear Transversal Equalizer |
LTP | Long Term Prediction |
MAC | Medium Access Control |
MAHO | Mobile Assisted Handoff |
MAI | Multiple Access Interference |
MAN | Metropolitan Area Network |
M-ary | Multiple Level Modulation |
MC | Multicarrier |
MCS | Multiple Modulation and Coding Schemes |
MDBS | Mobile Database Stations |
MDLP | Mobile Data Link Protocol |
MDS | Multipoint Distribution Service |
MDR | Medium Data Rate |
MFJ | Modified Final Judgement |
MFSK | Minimum Frequency Shift Keying |
MIN | Mobile Identification Number |
MIRS | Motorola Integrated Radio System (for SMR use) |
ML | Maximal Length |
MLSE | Maximum Likelihood Sequence Estimation |
MMAC | Multimedia Mobile Access Communication System |
MMDS | Multichannel Multipoint Distribution Service |
MMSE | Minimum Mean Square Error |
MOS | Mean Opinion Score |
MoU | Memorandum of Understanding |
MPE | Multipulse Excited |
MPSK | Minimum Phase Shift Keying |
MS | Mobile Station |
MSB | Most Significant Bit |
MSC | Mobile Switching Center |
MSCID | MSC Identification |
MSE | Mean Square Error |
MSK | Minimum Shift Keying |
MSU | Message Signal Unit |
MTA | Major Trading Area |
MTP | Message Transfer Part |
MTSO | Mobile Telephone Switching Office |
MUX | Multiplexer |
NACK | Negative Acknowledge |
NADC | North American Digital Cellular |
NAMPS | Narrowband Advanced Mobile Phone System |
NBFM | Narrowband Frequency Modulation |
NEC | National |
N-ISDN | Narrowband Integrated Service Digital Network |
NMT-450 | Nordic Mobile Telephone—450 |
NRZ | Non-return to Zero |
NSP | Network Service Part |
NSS | Network and Switching Subsystem |
NTACS | Narrowband Total Access Communication System |
NTT | Nippon Telephone and Telegraph |
OBS | Obstructed |
OFDM | Orthogonal Frequency Division Multiplexing |
OMAP | Operations Maintenance and Administration Part |
OMC | Operation Maintenance Center |
OQPSK | Offset Quadrature Phase Shift Keying |
OSI | Open System Interconnect |
OSS | Operation Support Subsystem |
PABX | Private Automatic Branch Exchange |
PACS | Personal Access Communication System |
PAD | Packet Assembler Disassembler |
PAF | Partition Attenuation Factor |
PAN | Personal Area Network |
PBX | Private Branch Exchange |
PCH | Paging Channel |
PCM | Pulse Code Modulation |
PCN | Personal Communication Network |
PCS | Personal Communication System |
PDC | Pacific Digital Cellular |
probability density function | |
PG | Processing Gain |
PH | Portable Handset |
PHP | Personal Handyphone |
PHS | Personal Handyphone System |
PL | Path Loss |
PLL | Phase Locked Loop |
PLMR | Public Land Mobile Radio |
PN | Pseudo-noise |
POCSAG | Post Office Code Standard Advisory Group |
POTS | Plain Old Telephone Service |
PR | Packet Radio |
PRI | Primary Rate Interface |
PRMA | Packet Reservation Multiple Access |
PSD | Power Spectral Density |
PSK | Phase Shift Keying |
PSTN | Public Switched Telephone Network |
PTI | Permanent Terminal Identifier |
QAM | Quadrature Amplitude Modulation |
QCELP | Qualcomm Code Excited Linear Predictive Coder |
QMF | Quadrature Mirror Filter |
QPSK | Quadrature Phase Shift Keying |
RACE | Research on Advanced Communications in Europe |
RACH | Random Access Channel |
RCC | Reverse Control Channel |
RCS | Radar Cross Section |
RD-LAP | Radio Data Link Access Protocol |
RDTC | Reverse Data Traffic Channel |
RELP | Residual Excited Linear Predictor |
RF | Radio Frequency |
RFP | Radio Fixed Part |
RLC | Resistor Inductor Capacitor |
RLS | Recursive Least Square |
RMD | RAM Mobile Data |
RPCU | Radio Port Control Unit |
RPE-LTP | Regular Pulse Excited Long-Term Prediction |
RRMS | Radio Resource Management Protocol |
RS | Reed–Solomon |
RSSI | Received Signal Strength Indication |
RTT | Radio Transmission Technology |
RVC | Reverse Voice Channel |
Rx | Receiver |
RZ | Return to Zero |
SACCH | Slow Associated Control Channel |
SAT | Supervisory Audio Tone |
SBC | System Broadcasting Channel also Sub-band Coding; Southwestern Bell Corporation |
SC | Slow Channel |
SCCP | Signaling Connection Control Part |
SCH | Synchronization Channel |
SCM | Station Class Mark |
Spectral Coherence Restoral Algorithm | |
SCP | Service Control Point |
SDCCH | Stand-alone Dedicated Control Channel |
SDMA | Space Division Multiple Access |
SEIGA | Simplified Expression for the Improved Gaussian Approximation |
SELP | Stochastically Excited Linear Predictive Coder |
SEP | Switching End Points |
SFM | Spectral Flatness Measure |
S/I | see SIR |
SID | Station Identity |
SIM | Subscriber Identity Module |
SIR | Signal-to-Interference Ratio |
SIRCIM | Simulation of Indoor Radio Channel Impulse Response Models |
SISP | Site Specific Propagation |
SMR | Specialized Mobile Radio |
SMRCIM | Simulation of Mobile Radio Channel Impulse Response Models |
SMS | Short Messaging Service also Service Management System |
S/N | see SNR |
SNR | Signal-to-Noise Ratio |
SONET | Synchronous Optical Network |
SP | Signaling Point |
SQNR | Signal-to-Quantization Noise Ratio |
SS | Spread Spectrum |
SSB | Single Side Band |
SSMA | Spread Spectrum Multiple Access |
SS7 | Signaling System No. 7 |
ST | Signaling Tone |
STP | Short Term Prediction, also Signaling Transfer Point |
SYN | Synchronization channel |
TACS | Total Access Communications System |
TCAP | Transaction Capabilities Application Part |
TCDMA | Time Division CDMA |
TCH | Traffic Channel |
TCM | Trellis Coded Modulation |
TDD | Time Division Duplex |
TDFH | Time Division Frequency Hopping |
TDMA | Time Division Multiple |
TDN | Temporary Directory Number |
TD-SCDMA | Time Division-Synchronous Code Division Multiple Access |
TIA | Telecommunications Industry Association |
TIU | Trunk Interface Unit |
TTIB | Transparent Tone-in-Band |
TUP | Telephone User Part |
Tx | Transmitter |
UF | Urban Factor |
UMTS | Universal Mobile Telecommunications System |
UNII | Unlicensed National Information Infrastructure |
US | United States of America |
USDC | United States Digital Cellular, see IS-136 and NADC |
USGS | United States Geological Survey |
USSB | Upper Single Side Band |
UTRA | UMTS Terrestrial Radio Access |
VAD | Voice Activity Detector |
VCI | Virtual Circuit Identifier |
VCO | Voltage Controlled Oscillator |
VDB | Visitor Database |
VHE | Virtual Home Entertainment |
VIU | Visitor Interface Unit |
VLR | Visitor Location Register |
VLSI | Very Large-Scale Integration |
VMAC | Voice Mobile Attenuation Code |
VoIP | Voice over Internet Protocol |
VQ | Vector Quantization |
VSELP | Vector Sum Excited Linear Predictor |
WACS | Wireless Access Communication System (later called PACS) |
WAN | Wide Area Network |
WAP | Wireless Applications Protocol |
WARC | World Administrative Radio Conference |
W-CDMA | Wideband CDMA |
WIN | Wireless Information Network |
WIU | Wireless Interface Unit |
WLAN | Wireless Local Area Network |
WLL | Wireless Local Loop |
WRC-2000 | ITU World Radio Conference |
WUPE | Wireless User Premises Equipment |