الاختصارات الخاصة بنظم الاتصالات

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

ADN 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

BPMT Node B Performance Monitoring Tool

BSC Base Station Controller

BSS Base Station (sub)System

BTS Base Transceiver Station

BWC Bandwidth Control

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

DB Debug 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 ERAN EDGE Radio Access Network (all-IP) 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 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 HPLMN Home PLMN 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 RA Routing Area RAB Radio Access Bearer RAC Routing Area Code RAC Radio Admission control RACH Random Access Channel RAID Redundant Array Independent (or Inexpensive) Disk 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 TC Transcoder TC Transmission Convergence (ATM) 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) TRX Transceiver (UMTS V1) 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

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