بعض الاختصارات على مهندس الاتصالات معرفتها
(3GPP 3rd: Generation Partnership Project (WCDMA
(3GPP2 3rd: Generation Partnership Project 2 (CDMA 2000
3GIP 3rd :Generation partnership for Internet Protocol
AAL: ATM Adaptation Layer
ACELP: Algebraic Code Excited Linear Prediction
AND: Abbreviated Dialling Number
ALCAP: Access Link Control Application Part
AMPS: Advanced Mobile Phone System
AMR: Adaptive Multi Rate
AN (C,XU): Antenna Network
(ANSI :American National Standard Institute (USA
(ARIB: Association of Radio Industries and Business (Japan
ATC: ATM Traffic Contract
ATM: Asynchronous Transfer Mode
BB :Base Band
BCCH: Broadcast Control Channel
BER :Bit Error Rate
BHCA: Busy Hour Call Attempts
BLER: Block Error Rate
BMC :Broadcast Multicast Control
BM-IWF :Broadcast Multicast Inter-Working Function
BSC :Base Station Controller
BSS: Base Station (sub)System
BTS: Base Transceiver Station
BWC: Bandwidth Control
Antennas
CAC: Connection Admission Control
CAMEL: Customised Application for Mobile Enhanced Logic
CC: Call Control
CCCH: Common Control Channel
CCT: Call Con**** Template
CCTrCH: Coded Composite Transport Channel
CDMA: Code Division Multiple Access
CDR: Call Data Record
CDV: Cell Delay Variation
CLR: Cell Loss Ratio
CM: Configuration Management
CN: Core Network
CORBA :Common Object Request Broker Architecture
CP: Central Processing
CPCH :Common Packet Channel
CPCS: Common Part Convergence Sub-layer
CPS: Command Part Sub-layer
CPU: Central Processing Unit
CRC: Cyclic Redundant Check
CS: Circuit Switched
CS: Convergence/Adaptation to Services (ATM)
CTCH :Common Traffic Channel
CTD :Cell Transfer Delay
CWTS: China Wireless Telecommunication Standard group
DCA: Dynamic Channel Allocation
DCCH :Dedicated Control Channel
DCH: Dedicated Channel
DCN: Data Communication Network
DHO: Diversity HandOver
DHT: Diversity HandOver Trunk
DRAC: Dynamic Resource Allocation Control
DRNC: Drift RNC
DS: Direct Sequence
DSCH: Downlink Shared CHannel
DTCH: Dedicated Traffic CHannel
EDGE: Enhanced Data rates for GSM Evolution
EFR: Enhanced Full Rate
E-GSM: Enhanced GSM
E-GPRS :Enhanced GPRS
EM Element :(or Equipment) Manager
ETSI :European Telecommunication Standard Institute
FACH :Forward Access Channel
FBI: Feed-Back Information
FDD: Frequency Division Duplex
FDD-DS FDD-:Direct Sequence (FDD1)
FDD-MC FDD-:Multiple Carrier (FDD2)
FDL: File Download (EM application)
FDMA :Frequency Division Multiple Access
FER: Frame Error Rate
FTP: File Transfer Protocol
FvX: Flexor Visual Explorer
FW: Firmware
Communication in our life
GCRA: Generic Cell Rate Algorithm
GERAN: GSM/EDGE Radio Access Network
GGSN :Gateway GPRS Support Node
GMSC :Gateway MSC
GMSK: Gaussian Minimum Shift Keying
GP: Granularity Period
GPRS :General Packet Radio Service
GSM: Global System for Mobile Communications
GTP GPRS: Tunneling Protocol
GTP-U GPRS: Tunneling Protocol-User Plane
GUI: Graphical User Interface
HDD: Hard Disk
HHO: Hard HandOver
HIF :High speed Interface
HLR: Home Location Register
HO: HandOver
HSDPA :High Speed Downlink Packet Access
HSS :Home Subscriber Service
IDL :Interface Definition Language
IETF: Internet Engineering Task Force
IM: Information Manager
IMEI: International Mobile Equipment Identity
IMS IP: Multimedia Subsystem
IMSI: International Mobile Subscriber Identity
IMT: International Mobile Telecommunication
IMT-DS :Direct Sequence
IMT-MC :Multi Carrier
IMT-SC: Single Carrier
IMT-TC: Time Code
IOT: Inter Operability Tests
IOR :Interoperable Object Reference
IP: Internet Protocol
IR: Incremental Redundancy
ISC: Internetworking Services Card
ISDN: Integrated Services Digital Network
Itf-b: Interface Node B - OMC-R
Itf-r: Interface RNC - OMC-R
ITU: International Telecommunication Union
Iub: Interface Node B - RNC
Iur: Interface RNC - RNC
Iu-CS: Interface RNC - CN Circuit Switch
Iu-PS :Interface RNC - CN Packet Switch
Kbps: Kilobits per second
L1, L2, L3 Layer1 , Layer 2, Layer3
LA :Local Area
LAC :Local Area Code
LAN: Local Area Network
LCS: LoCation Services
LLC: Logical Link Control
LM: Load Module
LMT: Local Maintenance Terminal
LIF: Low speed Interface
LQC: Link Quality Control
Antennas
M3UA SS7 MTP3 :User Adaptation layer
MAC: Medium Access Control
MAP: Mobile Application Part
MBS Multi-standard Base Station (UTRAN)
MBS: Maximum Burst Size (ATM)
MCR: Minimum Cell Rate
MExE: Mobile Execution Environment
MM: Mobility Management
MMUX :Mac Multiplexer
MSC: Mobile Switching Centre
MSP: Multiple Subscriber Profile
MTP3: Message Transfer Part level 3
MTP-3B :Message Transfer Part level 3 Broadband
NAS :Non Access Stratum
NBAP: Node-B Application Part
NE: Network Element
N/E: Normal/ Emergency
NEM: New element manager
NM: Combined EM and SNM
NML: Network Management Layer
NMS: Network Management System
NPA: Network Performance Analyser
NTP: Network Time Protocol
OAM: Operation And Maintenance
OD: Office Data
ODMA: Opportunity Driven Multiple Access
ODT: Office Data Tool
ODTM: Office Data Tool Macro
OMC-R: Operation & Maintenance Centre - Radio
OPEX: OPerational EXpenditures
ORB: Object Request Broker
OS: Operating System
OSA: Open Service Architecture
OSU: OAM Signalling Unit
OTDOA: Observed Time Difference of Arrival
-IPDL –: Idle Period Downlink
OTSR: Omni directional Tx/Sectorised Rx
OVSF: Orthogonal Variable Spreading Factor
PCCH: Paging Control Channel
PCR: Peak Cell Rate
PCU :Packet Control Unit
PDA :Personal Digital Assistant
PDC: Personal Digital Cellular (2G Japan)
PDP: Packet Data Protocol
PDU: Protocol Data Unit
PLMN: Public Land Mobile Network
PM: Performance Measurement (O&M)
PM: Physical Medium (ATM)
PMUL :Performance Measurement Upload
P/ R :Primary/ Redundant
PRACH: Physical Random Access Channel
PS: Packet Switched
PSK: Phase Shift Keying
PSTN: Public Switched Telephone Network
QoS: Quality of Service
QPSK: Quadrature Phase Shift Keying
Network Operating Center
RA: Routing Area
RAB :Radio Access Bearer
RAC Routing Area Code
RAC: Radio Admission control
RACH: Random Access Channel
RAID: Redundant Array Independent (or InexpensiveDisk
RAN: Radio Access Network
RANAP :RAN Application Part
RB: Radio Bearer
RF: Radio Frequency
RIT: Replaceable Item (board, card or module)
RLC: Radio Link Control
RNC: Radio Network Controller
RNO: Radio Network Optimiser
RNP: Radio Network Planning
RNS: Radio Network Sub-System
RNSAP: RNS Application Part
RNTI: Radio Network Temporary Identity
ROCH: Robust Header Compression
RP: Reporting Period
RPMT: RNC Performance Monitoring Tool
RRC Radio :Resource Control
RRM: Radio Resource Management
SAC :Service Area Code
SAP: Service Access Point
SAR :Segmentation And Re-assembly
SAT :SIM Application Toolkit
SC :Short Cell
SC :System Configuration
SCF :System Configuration File
SCR: Sustainable Cell Rate
SDH: Synchronous Digital Hierarchy
SF: Spreading Factor
SGSN: Serving GPRS Support Node
SHO: Soft HandOver
SIR: Signal to Interference Ratio
SMS :Short Message Service
SNM :Sub-Network Manager
SNMP: Simple Network Management Protocol
SOH: Section Overhead
SPU :Signaling Processing Unit
SQL: Structured Query Language
SRNC: Serving RNC
SSCOP: Service Specific Connection Oriented Protocol
SSCP :Signaling Connection Control Part
STM: Synchronous Transfer Mode
STTD: Space Time transmit diversity
SU: Signalling Unit
SV :SuperVision
SWDL :SoftWare DownLoad
Fiber-optic cables
TCP: Transport Control Protocol
TD-CDMA :Time Division & CDMA
TDD: Time Division Duplex
TDMA: Time Division Multiple Access
TEU: Transmitter Equipment UMTS
TF: Transport Format
TFC: Transport Format Combination
TFCI :Transport Format Combination Indicator
TFCS: Transport Format Combination Set
TFS: Transport Format Set
TIA :Telecommunication Industry Association (USA
TMA: Tower Mounted Amplifier
TMN: Telecommunication Management Network
TMSI: Temporary Mobile Subscriber Identify
TPA: Transmit Power Amplifier
TPC: Transmission Power Control
TQL: Query Language for semi-structured data
(TRE :Transceiver Equipment (GSM
TS: Tunning Session
TSAL: Tunning Session Application Log
TSTD: Time Switch Transmit Diversity
(TTA: Telecommunication Technology Association (Korea
(TTC :Telecommunication Technology Committee (Japan
UARFCN: UTRA Absolute Radio Frequency Channel Number
UDP :User Datagram Protocol
UE: User Equipment
UICC: UMTS Integrated Circuit Card
UMTS :Universal Mobile Telecommunication System
URA: UTRAN Registration Area
USB: Universal Serial Bus
USIM: UMTS Subscriber Identity Card
USM: User Service Manager
USSD: Unstructured Supplementary Service Data
(UTRA: UMTS Radio Access Network (ETSI
(UTRA: Universal Radio Access Network (3GPP
UTRAN: UMTS Terrestrial Radio Access Network
UWCC: Universal Wireless Communications Committee
VC: Virtual Channel
VCI :Virtual Channel Identifier
VHE: Virtual Home Environment
VLR: Visitor Location Register
VoIP: Voice over IP
VP: Virtual Path
VPI: Virtual Path Identifier
VSWR: Voltage Standing Wave Ratio
W3C: World Wide Web Consortium
WAP: Wireless Application Protocol
W-CDMA :Wide-band Code Division Multiple Access
WIM: WAP Identity Module
XML: Extensible Mark-up Language