Abbreviation

BSC Abbreviations

Abbreviations Full Name

3GPP2 3rd Generation Partnership Project 2

A

A1/A2

A3/A7

A8/A9

A10/A11 AAL ATM Adaptation Layer AAL1 ATM Adaptation Layer type 1 AAL2 ATM Adaptation Layer type 2 AAL5 ATM Adaptation Layer type 5

Abis ABR Available Bit Rate AC Authentication Center ACH Access Channel ADDS Application Data Delivery Service AEC Acoustic Echo Control ALC Automatic Level Control AMPS Advanced Mobile Phone System ANSI American National Standard Institute API Application Program Interface ARFCN Absolute Radio Frequency-Channel Number ARP Address Resolution Protocol ASCII American Standard Code for Information Interchange ASIC Application Specific Integrated Circuit ATM Asynchronous Transfer Mode

B BAM Back Administration Module BCD Binary Coded Decimal BHCA Busy Hour Calling Attempt BIOS Basic Input Output System BITS Building Integrated Timing Supply system BOOTP Bootstrap Protocol BSC Base Station Controller BSS Base Station Subsystem BSSAP Base Station Subsystem Application Part BSSMAP Base Station Subsystem Management-Application Part BTS Base Transceiver Station

C CAIE CDMA A Interface Equipment CBMS CDMA Basic processing Subrack CBPU CDMA Buffer Process Unit CBR Constant Bit Rate CBUR CDMA Business Rack CC Call Control CCITT Consultative Committee of International Telegraphy and Telephony CCRM CDMA Satellite synchronization Clock Receiver Module CCTR CDMA ConTroller Rack CDMA Code Division Multiple Access CEVC CDMA Enhanced Vocoder with echo Canceller board CEVD CDMA Enhanced Vocoder with echo canceller Disable CFMR CDMA radio frame process (FP MAC RLC) board CHAC CDMA High-speed Access Controller CIC Circuit Identification Code

Abbreviation

Abbreviations Full Name

CIMS CDMA Integrated Management System CIPS CDMA Integrated Processing Subrack CLAP CDMA Link Access Protocol board CLKC ClocK C CLKM CLocK processing Module CLPC CDMA Line Process Unit CLPU CDMA Line Process Unit CMI Coded Mark Inversion CMM Capability Maturity Module CMPU CDMA Main Process Unit CMUX CDMA system MUltipleXer unit CNET CDMA NETwork transfer and switch COIE CDMA single mode Optical Interface Equipment CPCU CDMA PCF Control Unit CPMS CDMA Packet Module Subrack CPPU CDMA Packet Process Unit CPU Center Processing Unit CRC Cyclical Redundancy Check CRMU CDMA Resource Management Unit CRPS CDMA Resource and Packet Subrack CSAR CDMA SAR Process Unit CSPU CDMA Signal Process Unit CSTU CDMA Synchronous Transport Unit CSWS CDMA Switch Subrack CTCS CDMA TransCoder Subrack CXIE CDMA general (X) Interface Equipment

D DB Data Base DBMS Data Base Management System DC Direct Current DCCH Dedicated Control CHannel DDF Digital Distribution Frame DDN Digital Data Network DPC Destination Point Code DSP Digital Signal Processor DTAP Direct Transfer Application Part DTMF Dual Tone Multi Frequency

E EC Echo Canceller EIA Electronics Industry Association EIB Erasure Indicator Bit EIR Equipment Identity Register EMC Electro-Magnetic Compatibility EMI ElectroMagnetic Interference EMS ElectroMagnetic Susceptibility EPLD Erasable Programmable logic Device ESD Electrostatic Discharge ETS European Telecommunication Standards ETSI European Telecommunication Standards Institute EVRC Enhanced Variable Rate Codec

F FA Foreign Agent FAM Front Administration Module FCC Federal Communications Commission FCH Fundamental Channel FE Fast Ethernet FER Frame Error Rate FID Function Identification F-PCH Forward Paging Channel FPGA Field Programmable Gate Array F-QPCH Forward Quick Paging Channel F/R-FCH Forward/Reverse Fundamental Channel

Abbreviation

Abbreviations Full Name

F/R-PICH Forward/Reverse Pilot Channel F/R-SCH Forward/Reverse Supplemental Channel F-SYNCH Forward Synchronous Channel FTP File Transfer Protocol

G GCKB GPS/GLONASS& ClocK Subrack Backplane GCKP GPS/GLONASS& ClocK Processing Board GE Gigabit Ethernet GLONASS Global Navigation Satellite System GMSC Gateway Mobile-services Switching Center GPS Global Position System GRE Generic Routing Encapsulation GSM Global System for Mobile Communication GT Global Title

H HA Home Agent HDLC High level Data Link Control HHO Hard Handoff HLR Home Location Register HPA High Power Amplifier HPT Higher Order Path Termination

I IAC Initial Alignment Control ICMP Internet Control Message Protocol IEC International Electrotechnical Commission IEEE Institute of Electrical and Electronics Engineers IMA Inverse Multiplexing on ATM IMT-2000 International Mobile Telecommunication 2000 IOS Interoperability Specification IP Internet Protocol IPC Inter-process Communication IPOA IP Over ATM ISDN Integrated Services Digital Network IS-2000 Interim Standards 2000 IS-95 Interim Standards 95 ISDN Integrated Services Digital Network ISLP Inter System Link Protocol ISO International Standards Organization ISUP ISDN User Part ITU International Telecommunications Union ITU-T ITU Telecommunication Standardization Sector

J K L LAC Link Access Control LAN Local Area Network LDP Label Distribution Protocol LVL

M MAC Medium Access Control MAP Mobile Application Part MIP Mobile Internet Protocol MRTIE Maximum Relative Time Interval Error MM Mobility Management MML Man Machine Language MS Mobile Station MSC Mobile Switching Center MTBF Mean Time Between Failures MTP Message Transfer Part MuxPDU Multiplex Sublayer Protocol Data Unit

Abbreviation

Abbreviations Full Name

N NMS Network Management System NMT Nordic Mobile Telephone System

O OAM Operation, Administration and Maintenance OMC Operation & Maintenance Center OML Operation & Maintenance Link OOP Object-Oriented Programming OSI Open System Interconnection

P PC Personal Computer PCF Packet Control Function PCI Protocol Control Information PCM Pulse Code Modulation PDH Pleisochronous Digital Hierarchy PDSN Packet Data Service Node PDU Packet Data Unit PID Process Identification PLMN Public Land Mobile Network PN Pseudo Number PPP Peer-Peer Protocol PSTN Public Switched Telephone Network PVC Permanent Virtual Connection PVP Permanent Virtual Path

Q QCELP Qualcomm Code Excited Linear Predictive codec QOF Quasi Orthogonal Function QoS Quality of Service

R RANDU Unique Random Variable RC Rate Configuration RFN Reduced TDMA Frame Number RLP Radio Link Protocol ROM Read Only Memory

S SAR Segmentation And Reassembly SCCP Signaling Connection and Control Part SCH Supplemental Channel SCHM Sync Channel Message SDB Short Data Burst SDH Synchronous Digital Hierarchy SDRAM Synchronous Dynamic Random Access Memory SDU Selection/Distribution Unit SHO Soft Handoff SLC Signaling Link Code SLS Signaling Link Selection SMS Short Message Service SNMP Simple Network Management Protocol SONET Synchronous Optical Network SPVC Soft Permanent Virtual Connection SPVP Soft Permanent Virtual Path SSD Shared Secret Data SSM Synchronization Status Message SSN Sub-System Number SSP Service Switching Point SSSAR Special Service Segmentation and Reassemble STM Synchronous Transfer Mode SVC Switching Virtual Connection

T TACS Total Access Communication System

Abbreviation

Abbreviations Full Name

TC TransCoder TCAP Transaction Capability Application Part TCE Traffic Channel Elements TCH Traffic Channel TCP Transport Control Protocol TDD Time Division Duplex TDM Time Division Multiplex TFO Tandem Free Option TRAU Transcoder/Adaptor Unit TTL TRAU-Transcoder Link

U UBR Unspecified Bit Rate UDP User Datagram Protocol UDT Unit Data UNI User-to-Network Interface UTCP UTC (Coordinated Universal Time) Provider Board

V VCC Virtual Channel Connection VCI Virtual Channel Identifier VBR Variable Bit Rate VBR-nrt Non-Real Time Variable Bit Rate VBR-rt Real Time Variable Bit Rate VPI Virtual Path Identifier VOS Virtual Operating System

W WCDMA Wideband Code Division Multiple Access WS Work Station

X XUDT Enhanced Unit Data

Y Z