Sunday, 18 March 2012

List of Engineering Acronyms --قائمة الاختصرات للمفاهيم الهندسيه

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3GPP              Third Generation Partnership Project
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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