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A 

AAL2 ATM Adaptation Layer 2AAL5 ATM Adaptation Layer 5

A-GPS Assisted Global Positioning SystemAICH Acquisition Indicator ChannelALCAP Access Link Control Application PartAM Acknowledged ModeAMR Adaptative Multi RateANSI American National Standards Institute (USA)ANSI-41 American National Standard ANSI/TIA/EIA-41ARIB Association of Radio Industries and Businesses (Japan)AS Access StratumAT&T American Telephony & TelegraphATIS Alliance for Telecommunications Industry SolutionsATM Asynchronous Transfer Mode

B BCCH Broadcast Control ChannelBCH Broadcast Channel

rea ou a eway on ro unc ionBICC Bearer Independent Call ControlBLER Block Error RatioBSC Base Station ControllerBSS Base Station SubsystemBTS Base Transceiver Station

C CAPEX Capital Expenditure

CC Call Control

CCCH Common Control ChannelCCM Core Control ModuleCCTrCH Coded Composite Transport ChannelCDMA Code Division Multiple AccessCPICH Common Pilot ChannelCN Core NetworkCPCH Common Packet ChannelCPU Central Processin UnitCRNC Controlling RNCCS Coding SchemeCS Circuit SwitchingCSCF Call Session Control FunctionCSCN Circuit Switched Core NetworkCTCH Common Traffic Channel

CWTS China Wireless Telecommunications Standard Group

D DBm decibel referenced to a milliwattDCCH Dedicated Control ChannelDCH Dedicated ChannelDiffserv Differentiated ServicesDL DownlinkDPCCH Dediated Physical Control ChannelDPDCH Dedicated Physical Data ChannelDRNC Drift RNCDSCP Differentiated Services Code Point

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 DTCH Dedicated Traffic Channel

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E EDGE Enhanced Data rates for GSM EvolutionEGPRS Enhanced GPRSEIA Electronic Industries Alliance

ETSI European Telecommunications Standard InstituteEb Energy per useful bit

F FACH Forward Access ChannelFDD Frequency Division DuplexFDMA Frequency Division Multiple Access

G Gb BSS-SGSN interfaceGc HLR-GGSN interfaceGERAN GSM EDGE Radio Access NetworkGGSN Gateway GPRS Support NodeGHz Giga Hertz

Gi GGSN-PDN interfaceGMM GPRS Mobility ManagementGMSC Gatewa MSCGn intra-GSS interfaceGPRS General Packet Radio ServiceGPS Global Positioning SystemGr HLR-SGSN interfaceGs MSC-SGSN interfaceGSM Global System for Mobile communicationsGTP GPRS Tuneling ProtocolGTP-U GTP for transfer of user data in separated tunnels for each PDP context

H

HLR Home Location Register

HO HandoverHSDPA High-Speed Downlink Packet AccessHS-DSCH High-Speed Downlink Shared ChannelHSPA High-Speed Packet AccessHSS Home Subscriber ServiceHSUPA High-Speed Uplink Packet AccessHz Hertz

I

I-CSCF Interrogating CSCFIEEE Institute of Electrical and Electronics EngineersIETF Internet Engineering Task ForceIMSI International Mobile Subscriber IdentityIN Intelligent Network

IP Internet ProtocolISCP Interference Signal Code PowerISDN Integrated Services Digital NetworkISM Industrial Scientific MedicineISUP ISDN User PartITU International Telecommunications UnitIu interface between UTRAN and Core NetworkIub interface between node B and RNCIub-FP Iub Frame ProtocolIu-CS interface between RNC and MSCIu-PS interface between RNC and SGSNIur interface between RNC and RNC

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ur- ur rame ro ocoIu-UP Iu interface User Plane

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K  KB KiloByteKbps kilobits per second

LLA Location AreaLAI Location Area IdentityLCG Local Cell Group

M M3UA MTP3 User Application

e um ccess on oMAC-m Media Access Control - MBMSMAP Mobile Application PartMbps Megabits per secondMB MegaByteMB Megabits per secondMBMS Multimedia Boradcast Multicast Service

MCCH MBMS Control ChannelMcps Megachips per secondMCS Modulation and Codin SchemeME Mobile EquipmentMGCF Media Gateway Control FunctionMGW Media GatewayMHz Mega HertzMIB Master Information BlockMICH MBMS Indication ChannelMM Mobility ManagementMSC Mobile services Switching CenterMSCH MBMS Scheduling ChannelMSS Mobile Satellite SystemMT Mobile Terminal

MTCH MBMS Traffic ChannelMTP Message Transfer PartmW milliWatt

N NAS Non-Access StratumNBAP Node B Application Part

--NSS Network Subsystem

O OC Optical ChannelOMC Operation and Maintenance CenterOS Operating System

OVSF Orthogonal Variable Spreading Factor

P PC Personal ComputerPCCH Paging Control ChannelP-CCPCH Primary Common Control ChannelPCPCH Physical Common Packet ChannelP-CSCF Proxy CSCFPCH Paging ChannelPCU Packet Control UnitPDC Personal Digital CellularPDCP Packet Data Convergence Protocol

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PDN Packet Data NetworkPDSCH Physical Downlink Shared ChannelPG Processing GainPICH Page Indicator Channel

PLMN Public Land Mobile NetworkPO  Power OffsetPOC Point Of ConcentrationPOTS Plain Old Telephone ServicePRACH Physical Random Access ChannelP-SCH Primary Synchronization ChannelPS Packet Switching

PSE Personal Service EnvironmentPSTN Public Switched Telephone NetworkPTMSI Packet Temporay Mobile Subscriber IdentityPTP Precision Timing Protocol

Q  QoS Quality of Service

R  RA Routing AreaRB Radio BearerRAB Radio Access BearerRACH Random Access ChannelRAI Routing Area IdentityRAN Radio Access NetworkRANAP RAN Application PartRLC Radio Link ControlRNC Radio Network ControllerRNL Radio Network La erRNS Radio Network SubsystemRNSAP RNS Application PartRRC Radio Resource ControlRSCP Received Signal Code PowerRSSI Received Signal Strength IndicatorRTCP Real Time Control ProtocolRTP Real-Time Transport ProtocolRx Reception

SAALSAP Service Access PointSAS Standalone Assisted GPS SMLCSAT SIM Application ToolkitSCCP Signaling Connection Control PartS-CCPCH Secondary Common Control Channel

SCS Service Capability ServerS-CSCF Serving CSCFSCTP Stream Control Transmission ProtocolSDU Service Data UnitSF Spreading FactorSGSN Serving GPRS Support NodeSIB System Information BroadcastSIG Special Interest GroupSIM Subscriber Identity ModuleSIP Session Initiation Protocol

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S 

SIR Si nal on Interference Ratio

SMS Short Message Service

SRB Signaling Radio Bearer

SRNC Serving RNCSRNS Serving Radio Network Subsystem

SS7 Signaling System no.7SSCF Signaling Connection Control Function

SSCOP Service Specific Connection Oriented Protocol

S-SCH Secondary Synchronization Channel

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T 

T1 Standard Committee T1 Telecommunications

TD-CDMA Time Division and Code Division Multiple Access

TDD Time Division Duplex

TDMA Time Division Multiple Access

TE Terminal Equipment

TF Transport FormatTFC Transport Format Combination

TFS Transport Format Set

TIA Telecommunications Industry Association (USA)

TM Transparent Mode

TMN Telecommunications Management Network

TMSI Temporary Mobile Subscriber Identity

TR Technical Report

TRX Transmitter Receiver

TS Time Slot

TTA Telecommunications Technology Association (Korea)TTC Telecommunications Technology Committee (Japan)

TTI Time Transmission IntervalTx Transmission

U 

UDP User Datagram Protocol

UE User Equipment

UL UpLink

Um interface between MS and BSS

UM Unacknowledged Mode

UMTS Universal Mobile Telecommunications System

UNI User-Node Interface

USAT UMTS SIM Application ToolkitUSIM UMTS Subscriber Identity Module

UTRAN UMTS Terrestrial Radio Access Network

V

VHE Virtual Home Environment

VLAN Virtual LAN

VLR Visitor Location Register

VMSC Visited MSC

VoIP Voice over IP

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rtua outer

W 

W WattWAP Wireless Application Part

WCDMA Wireless CDMA

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