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AAS Adaptive Antenna System
ACK Acknowledgement (in ARQ protocols)
ACK-CH Acknowledgement Channel (for WiMAX)
ACLR Adjacent Channel Leakage Ratio
ACS Adjacent Channel Selectivity
ACIR Adjacent Channel Interference Ratio
ACTS Advanced Communications Technology and Services
AM Acknowledged Mode (RLC configuration)
AMC Adaptive Modulation and Coding
AMPR Additional Maximum Power Reduction
AMPS Advanced Mobile Phone System
AMR-WB Adaptive MultiRate-WideBand
AP Access Point
ARIB Association of Radio Industries and Businesses
ARQ Automatic Repeat-reQuest
ATDMA Advanced Time Division Mobile Access
ATIS Alliance for Telecommunications Industry Solutions
AWGN Additive White Gaussian Noise
BCCH Broadcast Control Channel
BCH Broadcast Channel
BE Best Effort Service
BER Bit-Error Rate
BLER Block-Error Rate
BM-SC Broadcast Multicast Service Center
BPSK Binary Phase-Shift Keying
BS Base Station
BSC Base Station Controller
BTC Block Turbo Code
BTS Base Transceiver Station
CC Convolutional Code
CCCH Common Control Channel
CCE Control Channel Element
CCSA China Communications Standards Association
CDD Cyclic-Delay Diversity
CDF Cumulative Density Function
CDM Code-Division Multiplexing
CDMA Code Division Multiple Access
CEPT European Conference of Postal and Telecommunications Administrations
CN Core Network
CODIT Code-Division Test bed
CP Cyclic Prefix
CPC Continuous Packet Connectivity
CPICH Common Pilot Channel
CQI Channel-Quality Indicator
CQICH Channel Quality Indication Channel (for WiMAX)
CRC Cyclic Redundancy Check
C-RNTI Cell Radio-Network Temporary Identifier
CS Circuit Switched
CTC Convolutional Turbo Code
CW Continuous Wave
DCCH Dedicated Control Channel
DCH Dedicated Channel
DCI Downlink Control Information
DFE Decision-Feedback Equalization
DFT Discrete Fourier Transform
DFTS-OFDM DFT-spread OFDM, see also SC-FDMA
DL Downlink
DL-SCH Downlink Shared Channel
DPCCH Dedicated Physical Control Channel
DPCH Dedicated Physical Channel
DPDCH Dedicated Physical Data Channel
DRS Demodulation Reference Signal
DRX Discontinuous Reception
DTCH Dedicated Traffic Channel
DTX Discontinuous Transmission
D-TxAA Dual Transmit-Diversity Adaptive Array
DwPTS The downlink part of the special subframe (for TDD operation).
E-AGCH E-DCH Absolute Grant Channel
E-DCH Enhanced Dedicated Channel
EDGE Enhanced Data rates for GSM Evolution and Enhanced Data rates for Global Evolution
E-DPCCH E-DCH Dedicated Physical Control Channel
E-DPDCH E-DCH Dedicated Physical Data Channel
E-HICH E-DCH Hybrid ARQ Indicator Channel
eNodeB E-UTRAN NodeB
EPC Evolved Packet Core
E-RGCH E-DCH Relative Grant Channel
ErtPS Extended Real-Time Polling Service
E-TFC E-DCH Transport Format Combination
E-TFCI E-DCH Transport Format Combination Index
ETSI European Telecommunications Standards Institute
E-UTRA Evolved UTRA
E-UTRAN Evolved UTRAN
EV-DO Evolution-Data Optimized (of CDMA2000 1x)
EV-DV Evolution-Data and Voice (of CDMA2000 1x)
EVM Error Vector Magnitude
FACH Forward Access Channel
FBSS Fast Base-Station Switching
FCC Federal Communications Commission
FCH Frame Control Header (for WiMAX)
FDD Frequency Division Duplex
FDM Frequency-Division Multiplex
FDMA Frequency-Division Multiple Access
F-DPCH Fractional DPCH
FEC Forward Error Correction
FFT Fast Fourier Transform
FIR Finite Impulse Response
F-OSICH Forward link Other Sector Indication Channel (for IEEE 802.20)
FPLMTS Future Public Land Mobile Telecommunications Systems
FRAMES Future Radio Wideband Multiple Access Systems
FTP File Transfer Protocol
FUSC Fully Used Subcarriers (for WiMAX)
FSTD Frequency Shift Transmit Diversity
GERAN GSM/EDGE Radio Access Network
GGSN Gateway GPRS Support Node
GP Guard Period (for TDD operation)
GPRS General Packet Radio Services
GPS Global Positioning System
G-RAKE Generalized RAKE
GSM Global System for Mobile communications
HARQ Hybrid ARQ
HC-SDMA High Capacity Spatial Division Multiple Access
H-FDD Half-duplex FDD
HHO Hard Handover
HLR Home Location Register
HRPD High Rate Packet Data
HSDPA High-Speed Downlink Packet Access
HS-DPCCH High-Speed Dedicated Physical Control Channel
HS-DSCH High-Speed Downlink Shared Channel
HSPA High-Speed Packet Access
HS-PDSCH High-Speed Physical Downlink Shared Channel
HSS Home Subscriber Server
HS-SCCH High-Speed Shared Control Channel
HSUPA High-Speed Uplink Packet Access
ICIC Inter-Cell Interference Coordination
ICS In-Channel Selectivity
IDFT Inverse DFT
IEEE Institute of Electrical and Electronics Engineers
IFDMA Interleaved FDMA
IFFT Inverse Fast Fourier Transform
IMS IP Multimedia Subsystem
IMT-2000 International Mobile Telecommunications 2000
IP Internet Protocol
IPsec Internet Protocol security
IPv4 IP version 4
IPv6 IP version 6
IR Incremental Redundancy
IRC Interference Rejection Combining
ISDN Integrated Services Digital Network
ITU International Telecommunications Union
ITU-R International Telecommunications Union - Radio communications Sector
Iu The interface used for communication between the RNC and the core network.
Iu_cs The interface used for communication between the RNC and the GSM/WCDMA circuit switched core network.
Iu_ps The interface used for communication between the RNC and the GSM/WCDMA packet switched core network.
Iub The interface used for communication between the NodeB and the RNC.
Iur The interface used for communication between different RNCs.
J-TACS Japanese Total Access Communication System
LAN Local Area Network
LCID Logical Channel Index
LDPC Low-Density Parity Check Code
LMMSE Linear Minimum Mean Square Error
LTE Long-Term Evolution
MAC Medium Access Control
MAN Metropolitan Area Network
MAP Map message (for WiMAX)
MBFDD Mobile Broadband FDD (for IEEE 802.20)
MBMS Multimedia Broadcast/Multicast Service
MBS Multicast and Broadcast Service
MBSFN Multicast-Broadcast Single Frequency Network
MBTDD Mobile Broadband TDD (for IEEE 802.20)
MBWA Mobile Broadband Wireless Access
MCCH MBMS Control Channel
MC Multi-Carrier
MCE MBMS Coordination Entity
MCH Multicast Channel
MCS Modulation and Coding Scheme
MDHO Macro-Diversity Handover
MIB Master Information Block
MICH MBMS Indicator Channel
MIMO Multiple-Input Multiple-Output
ML Maximum Likelihood
MLD Maximum Likelihood Detection
MLSE Maximum-Likelihood Sequence Estimation
MME Mobility Management Entity
MMS Multimedia Messaging Service
MMSE Minimum Mean Square Error
MPR Maximum Power Reduction
MRC Maximum Ratio Combining
MSC Mobile Switching Center
MSCH MBMS Scheduling Channel
MTCH MBMS Traffic Channel
NAK Negative Acknowledgement (in ARQ protocols)
NAS Non-Access Stratum (a functional layer between the core network and the terminal that supports signaling and user data transfer)
NMT Nordisk MobilTelefon (Nordic Mobile Telephony)
NodeB NodeB, a logical node handling transmission/reception in multiple cells. Commonly, but not necessarily, corresponding to a base station.
nrtPS Non-Real-Time Polling Service
OFDM Orthogonal Frequency-Division Multiplexing
OFDMA Orthogonal Frequency-Division Multiple Access
OOB Out-Of-Band (emissions)
OOK On–Off Keying
OVSF Orthogonal Variable Spreading Factor
PAN Personal Area Network
PAPR Peak-to-Average Power Ratio
PAR Peak-to-Average Ratio (same as PAPR)
PARC Per-Antenna Rate Control
PBCH Physical Broadcast Channel
PCCH Paging Control Channel
PCFICH Physical Control Format Indicator Channel
PCG Project Coordination Group (in 3GPP)
PCH Paging Channel
PCI Pre-coding Control Indication
PCS Personal Communications Systems
PDC Personal Digital Cellular
PDCCH Physical Downlink Control Channel
PDCP Packet Data Convergence Protocol
PDSCH Physical Downlink Shared Channel
PDSN Packet Data Serving Node
PDN Packet Data Network
PDU Protocol Data Unit
PF Proportional Fair (a type of scheduler)
PHICH Physical Hybrid-ARQ Indicator Channel
PHY Physical layer
PHS Personal Handy-phone System
PMCH Physical Multicast Channel
PMI Precoding-Matrix Indicator
PoC Push to Talk over Cellular
PRACH Physical Random Access Channel
PRB Physical Resource Block
PS Packet Switched
PSK Phase Shift Keying
PSS Primary Synchronization Signal
PSTN Public Switched Telephone Networks
PUCCH Physical Uplink Control Channel
PUSC Partially Used Subcarriers (for WiMAX)
PUSCH Physical Uplink Shared Channel
QAM Quadrature Amplitude Modulation
QoS Quality-of-Service
QPP Quadrature Permutation Polynomial
QPSK Quadrature Phase-Shift Keying
RAB Radio Access Bearer
RACE Research and development in Advanced Communications in Europe
RACH Random Access Channel
RAN Radio Access Network
RA-RNTI Random Access RNTI
RAT Radio Access Technology
RB Resource Block
RBS Radio Base Station
RF Radio Frequency
RI Rank Indicator
RIT Radio Interface Technology
RLC Radio Link Protocol
RNC Radio Network Controller
RNTI Radio-Network Temporary Identifier
ROHC Robust Header Compression
RR Round-Robin (a type of scheduler)
RRC Radio Resource Control
RRM Radio Resource Management
RS Reference Symbol
RSN Retransmission Sequence Number
RSPC IMT-2000 radio interface specifications
RTP Real Time Protocol
rtPS Real-Time Polling Service
RTWP Received Total Wideband Power
RV Redundancy Version
S1 The interface between eNodeB and the Evolved Packet Core.
SA System Aspects
SAE System Architecture Evolution
S-CCPCH Secondary Common Control Physical Channel
SC-FDMA Single-Carrier FDMA
SDMA Spatial Division Multiple Access
SDO Standards Developing Organization
SDU Service Data Unit
SEM Spectrum Emissions Mask
SF Spreading Factor
SFBC Space-Frequency Block Coding
SFN Single-Frequency Network or System Frame Number (in 3GPP)
SFTD Space–Frequency Time Diversity
SGSN Serving GPRS Support Node
SI System Information message
SIB System Information Block
SIC Successive Interference Combining
SIM Subscriber Identity Module
SINR Signal-to-Interference-and-Noise Ratio
SIR Signal-to-interference ratio
SMS Short Message Service
SNR Signal-to-noise ratio
SOHO Soft Handover
SR Scheduling Request
SRNS Serving Radio Network Subsystem
SRS Sounding Reference Signal
SSS Secondary Synchronization Signal
STBC Space–Time Block Coding
STC Space–Time Coding
STTD Space-Time Transmit Diversity
TACS Total Access Communication System
TCP Transmission Control Protocol
TC-RNTI Temporary C-RNTI
TD-CDMA Time Division-Code Division Multiple Access
TDD Time Division Duplex
TDM Time Division Multiplexing
TDMA Time Division Multiple Access
TD-SCDMA Time Division-Synchronous Code Division Multiple Access
TF Transport Format
TFC Transport Format Combination
TFCI Transport Format Combination Index
TIA Telecommunications Industry Association
TM Transparent Mode (RLC configuration)
TR Technical Report
TrCH Transport Channel
TS Technical Specification
TSG Technical Specification Group
TSN Transmission Sequence Number
TTA Telecommunications Technology Association
TTC Telecommunications Technology Committee
TTI Transmission Time Interval
UCI Uplink Control Information
UE User Equipment, the 3GPP name for the mobile terminal
UGS Unsolicited Grant Service
UL Uplink
UL-SCH Uplink Shared Channel
UM Unacknowledged Mode (RLC configuration)
UMB Ultra Mobile Broadband
UMTS Universal Mobile Telecommunications System
UpPTS The uplink part of the special subframe (for TDD operation).
USIM UMTS SIM
US-TDMA US Time Division Multiple Access standard
UTRA Universal Terrestrial Radio Access
UTRAN Universal Terrestrial Radio Access Network
VRB Virtual Resource Block
WAN Wide Area Network
WMAN Wireless Metropolitan Area Network
WARC World Administrative Radio Congress
WCDMA Wideband Code Division Multiple Access
WG Working Group
WiMAX Worldwide Interoperability for Microwave Access
WLAN Wireless Local Area Network
VoIP Voice-over-IP
WP8F Working Party 8F
WRC World Radiocommunication Conference
X2 The interface between eNodeBs.
ZC Zadoff-Chu
ZF Zero Forcing
ZTCC Zero Tailed Convolutional Code
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