Kamus Singkatan Telekomunikasi 1G First Generation 2G Second Generation 3G Third Generation 4G Fourth Generation 3GPP 3rd Generation partnership project 3GPP2 3rd Generation partnership project 8-PSK Octagonal Phase Shift Keying AA-GPS Assisted GPS positioning system AC Admission Control ACELP Algebraic Code Excitation Linear Prediction ACK Acknowledge ADPCM Adaptive Differential Pulse Code Modulation AFP Automated Frequency Planning AGCH Access Grant Channel AH Antenna Hopping ALI Automatic Location Identification AMH Advanced Multilayer Handling AMPS American Mobile Phone System AMR Adaptive Multi-Rate codec AoCC Advice of Charge-Charging AoCI Advice of Charge-Information AP Access Point APN Access Point Name API Application Programming Interface ARIB Association of Radio Industries and Business in Japan ARQ Automatic Repeat Request AT Absolute Time ATD Absolute Time Difference ATM Asynchronous Transfer Mode AuC Authentication Center

B BBA BCCH Allocation BB Baseband BEP Bit Error Probability BER Bit Error Rate BCCH Broadcast Control Channel BDP Bandwidth Delay Product BGIWP Barring of GPRS Interworking Profile(s) BIM Background Interference Matrix BLER Block Error Rate BoD Bandwidth on Demand BS Base station BSIC Base Station Identification Code BSS Base Station Subsystem

BSSAP BSS Application Part BSSGP Base Station Subsystem GPRS protocol BSC Base Station Controller BTS Base Transceiver Station BSSAP BSS Application Part BSSGP Base Station Subsystem GPRS protocol BSC Base Station Controller BTS Base Transceiver Station

C CCAMEL Customised Application for Mobile Network Enhanced Logic CC Call Control CCITT Comit´e Consultatif International T´el´egraphique et T´el´ephonique CCCH Common Control Channel CDMA Code Division Multiple Access CEPT Conference Europeenne des Postes et Telecommunications CFU Call Forwarding Unconditional CFNRc Call Forwarding on Mobile Subscriber Not Reachable CGW Cell Gateway CI Cell Identity C/I Carrier/Interference CIR Carrier/Interference CLNS Connectionless Network Service CM Communication Management CN Core Network CONS Connection-Oriented Network Service CRC Cyclic Redundancy check CRS Cell Resource Server CS Circuit Switched CS Coding Scheme CWTS China Wireless Telecommunication Standard group in China

D DD-AMPS Digital AMPS DCA Dynamic Channel Allocation DCR Dropped Call Rate DCCH Dedicated Control Channel DFCA Dynamic Frequency and Channel Allocation DL Down Link DNS Domain Name Server DPCCH Dedicated Physical Control Channel DPDCH Dedicated Physical Data Channel DR Directed Retry DRX Discontinuous Reception DS-CDMA Direct Sequence-Code Division Multiple Access DTAP Direct Transfer Application Process DTM Dual Transfer Mode DTX Discontinuous Transmission

E EE112 Emergency Service 911 in Europe E911 Emergency Service 911 in US ECSD Enhanced Circuit Switched Data

EDGE Enhanced Data Rates for Global Evolution EFL Effective Frequency Load EFR Enhanced Full Rate (speech coded) EGPRS Enhanced General Packet Radio System EIR Equipment Identity Register E-OTD Enhanced Observed Time Difference ETSI European Telecommunications Standards Institute

F FFACCH Fast Associated Control Channel FCCH Frequency Correction Channel FDD Frequency Division Duplex FER Frame Error Rate FH Frequency Hopping FLO Flexible Layer One FR Full Rate FTP File Transfer Protocol

G GGAIT GSM/ANSI Interoperability Team GERAN GSM EDGE Radio Access Network GGSN Gateway GPRS Support Node GMLC Gateway Mobile Location Center GMSK Gaussian Minimum Shift Keying GPRS General Packet Radio System GPS Global Positioning System GRE Generic Routing Encapsulation GSM Global System for Mobile Communications GSN GPRS Support Node GTD Geometric Time Difference GTP GPRS Tunnelling Protocol

H HHC Handover Control HLR Home Location Register HO Handover HPLMN Home Public Land Mobile Network HR Half Rate HSCSD High Speed Circuit Switched Data HSDPA High Speed Downlink Packet Access HSN Hopping Sequence Number HTML HyperText Mark-up language HTTP HyperText Transfer Protocol HW Hardware IIETF Internet Engineering Task Force I

IFH Intelligent Frequency Hopping IM Interference Matrix IMEI International Mobile Equipment Identity

IMGI International Mobile Group Identity IMSI International Mobile Subscriber Identity IP Internet Protocol IPv4 Internet Protocol version 4 IPv6 Internet Protocol version 6 IR Incremental Redundancy IS-54 First generation TDMA Radio Interface standard IS-95 cdmaOne, one of 2nd generation systems, mainly in Americas and Korea IS-136 US-TDMA, one of 2nd generation systems, mainly in Americas ISDN Integrated Services Digital Network ISP Internet Service Provider ITU International Telecommunication Union ITU-T Telecommunication standardization sector of ITU IUO Intelligent Underlay Overlay IWMSC Inter Working MSC

L LL2TP layer Two Tunneling Protocol LA Link Adaptation LAPD Link Access Protocol for the D channel LAPDm Link Access Protocol for the Dm channel LC Load Control LCS Location Services LIF Location Interoperability Forum LLC Logical Link Control LMU Location Measurement Unit

M MMA Mobile Allocation MAC Medium Access Control MAIO Mobile Allocation Index Offset MAP Mobile Application Part MCPA Multi Carrier Power Amplifier MCS Modulation and Coding Scheme ME Mobile Equipment MEHO Mobile Evaluated Handover MEO Medium Earth Orbit MHA Mast Head Amplifier MM Mobility Management MMS Multimedia Messaging Service MoU Memorandum of Understanding MPLS Multi-protocol Label Switching MRP Multiple Reuse Pattern MS Mobile Station MSC Mobile Services Switching Centre MTU Maximum Transfer Unit

N

NACC Network Assisted Cell Change NACK Negative Acknowledgement NC Network Control NCC Network (PLMN) Colour Code NCCR Network Controlled Cell Re-selection NMS Network Management Subsystem NSAPI Network layer Service Access Point Identifier NSS Network and Switching Subsystem

O OOMC Operations and Maintenance Center OSI Open System Interconnection OSS Operation Sub-System OTD Observed Time Difference

P PPACCH Packet Associated Control Channel PAGCH Packet Access Grant Channel PBCCH Packet Broadcast Control Channel PC Power Control PCCCH Packet Common Control Channel PCHM Packet Channel Manager PCU Packet Control Unit PCH Paging Channel PDCP Packet Data Convergence Protocol PDP Policy Decision Point PDP Packet Data Protocol PDU Protocol Data Unit PDTCH Packet Data Traffic Channel PEP Policy Enforcement Point PEP Performance Enhancement Proxy PFC Packet Flow Context PM Policy Management PNCH Packet Data Notification Channel PoC Push to Talk over Cellular PRACH Packet Random Access Channel PRM Packet Resource Manager PS Packet Switched/Packet Scheduler PSI Packet System Information PSPDN Packet-Switched Public Data Network PSTN Public-Switched Telephone Network PTM Point-To-Multipoint PTM-G PTM Group call PTM-M PTM Multicast PTM-SC PTM Service Center PTP Point-To-Point

Q QQoS Quality of Service QR Quarter Rate

R

RRA Routing Area

RAB Radio Access Bearer RACH Random Access Channel RANAP Radio Access Network Application Part RAT Radio Access Technology RB Radio Bearer RED Random Early Detection Rel’97 ETSI release 97 Rel’98 ETSI release 98 Rel’99 ETSI release 99 Rel’4 3GPP release 4 Rel’5 3GPP release 5 Rel’6 3GPP release 6 RLC Radio Link Control RM Resource Manager RNAS Radio Access Network Access Server RNC Radio Network Controller RR Radio Resource RRBP Relative Reserved Block Period RRLP Radio Resource LCS Protocl RRM Radio Resource Management RSC Recursive Systematic Convolutional (coding) RT Real Time RTCP Real-time Control Protocol RTD Real-time Difference RTO Retransmission Timeout RTP Real-time Transport Protocol RTSP Real-time Streaming Protocol RTT Round Trip Time RXLEV Received Signal Level RXQUAL Received Signal Quality

S SSACCH Slow Associated Control Channel SAI Service Area Identifier SAIC Single Antenna Interference Cancellation SAPI Service Access Point Indicator SCH Synchronisation Channel SDCCH Stand alone Dedicated Control Channel SDP Session Description Protocol SE Spectral Efficiency SGSN Serving GPRS Support Node SI System Information SIM GSM Subscriber Identity Module SIP Session Initiation Protocol SM-SC Short Message Service Center SMSCB Short Message Service Cell Broadcast SMS-GMSC Short Message Service Gateway MSC

SMS-IWMSC Short Message Service Inter Working MSC SMS-MO/PP Mobile Originated Short Messages SMS-MT/PP Mobile Terminated Short Messages SMS-PP Point-to-Point Short Message Service SMG Special Mobile Group SMLC Serving Mobile Location Center SMS Short Message Service SMSS Switching and Management Sub-System SMTP Simple Mail Transfer Protocol SNDCP Sub Network Dependent Convergence Protocol SNMP Simple Network Management Protocol SPSCH Shared Physical Sub Channel SS Supplementary Services SS7 Signalling System number 7 TT1P1 North American Telecommunications Industry Association T1P1.5 Sub Committee of T1P1 TA Timing Advance TAI Timing Advance Index TBF Temporary Block Flow TCH Traffic Channel TCP Transport Control Protocol TDD Time Division Duplex TDMA Time Division Multiple Access TF Transport Format TFC Transport Format Combination TFCI Transport Format Combination Indicator TFCS Transport Format Combination Set TFI Temporary Flow Identity TIA/EIA Telecommunications Industry Alliance/Electronic Industries Alliance TLLI Temporary Logical Link Identity TMSI Temporary Mobile Subscriber Identity TOA Time of Arrival TRAU Transcoder/Rate Adapter Unit TRHO Traffic Reason Handover TRX Transceiver TSL Timeslot TTA Telecommunication Technology Association in Korea TTC Telecommunications Technology Committee in Japan TU3 Typical Urban 3 km/h TU50 Typical Urban 50 km/h UUDP User Datagram Protocol UE User Equipment UEP Unequal Error Protection UL Uplink UMTS Universal Mobile Telecommunication services

URL Uniform Resource Locator USF Uplink State Flag USIM Universal Subscriber Identity Module UTD Uniform Theory of Diffraction UTRAN UMTS Terrestrial Radio Access Network VVAD Voice Activation Detector VPN Virtual Private Network VoIP Voice over IP VLR Visiting Location Register VPLMN Visited Public Land Mobile Network WWAP Wireless Application Protocol WCDMA Wideband CDMA WLAN Wireless LAN WML WAP Mark-up Language WSP Wireless Session Protocol WTP Wireless Transport Protocol WWW World Wide Web XX.25 An ITU-T Protocol for Packet Switched Network XHMTL eXtensible HyperText Mark-up language