English abbreviation
3g-msc 3rd generation mobile switching centre third-generation mobile exchange center
3g-sgsn 3rd generation Serving GPRS Support Node Third Generation Service GPRS Node
3GPP 3rd Generation Partnership Project 3-generation cooperation project
Aal2o3 ATM adaptation layer type 2 atm adapter Layer 2
AAL5 ATM adaptation layer type 5 ATM adapter layer 5
Acir adjacent channel Interference Ratio
ACLR adjacent channel leakage power ratio
ACS adjacent channel selectivity adjacent channel Selectivity
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Alcap access Link Control Application Part access Link Control Application
AMC adapt modulation coding Adaptive Modulation Coding
ARQ Automatic Repeat request automatically repeats the request
ASN.1 Abstract Syntax Notation One abstract semantic description 1
ATM asynchronous transfer mode asynchronous transmission mode
AUC authentication centre authentication center
BCH broadcast channel
BCCH broadcast control channel broadcast Control CHannel
BER bit error rate error bit rate
Bgcf breakout Gateway Control Function breaks through the gateway control function
BSc Base Station Controller
BSS Base Station Subsystem
BTS base transceiver station base station Transceiver
CC call control Call Control
Ccch common control channel public control channel
CCH control channel
Ccpch 'common control physical channel public control physical channel
CDMA code division multiple access
Cdma tdd cdma Time Division Duplex Code Division Multiple Access time duplex
CFN connection frame number
CM connection management
CN core network
CQI channel quality indicator channel quality indication
CRC cyclic redundancy check Cyclic Redundancy Test
Wireless Network Controller Controlled by crnc controlling radio network controller
CS Circuit Switched circuit switch
Cscf call server control function call Server Control Function
DCA dynamic channel allocation
Dcch dedicated control channel dedicated Control CHannel
Dch dedicated transport channel
DL downlink
DOA Direction of Arrival
Dpch dedicated physical channel
Drnc drift radio network controller drifting wireless network controller
DRNs drift RNS
Ds cdma direct spreading CDMA Direct Spread Spectrum Code Division Multiple Access
DSCH down-link shared channel downstream shared channel
Dtch down-link traffic channel downstream business channel
Dwpch downlink Pilot Channel downstream pilot channel
Dwpts downlink pilot time slot downstream pilot Time Slot
EIR Equipment Identity register device identity register
EP elementary procedure basic process
Fach forward access channel
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FDD Frequency Division Duplex frequency duplex
FFs for further study for further research
FP frame protocol
Fpach fast physical access channel Fast physical access channel
FT frame type Frame Type
Ggsn Gateway GPRS Support Node GPRS Gateway Support Node
Gmm gprs mobility management
Gmsc gateway MSC gateway Mobile Business Center
GPRS General Packet Radio Service general grouping wireless service
GPS Global Positioning System
Grr GPRS radio resources GPRS wireless resources
GSM Global System for Mobile Communication Global Mobile Communication System
Gtgprs Tunneling Protocol GPRS tunnel protocol
Harq Hybrid Automatic Repeat request
Hfn hyper frame number superframe number
HLR Home Location Register
HSDPA High Speed Downlink Packet Access High Speed Downlink group access
User server of the HSS home subscriber Server
Imsi International Mobile Subscriber Identity International Mobile User Identification Code
IMT-2000 International Mobile Telecommunications 2000
ITU named 3 Generation Mobile Communication System
IP Internet Protocol
Is-2000 is-95 evolution standard (CDMA 2000) CDMA 2000
ITU International Telecommunication Union ITU
L1 Layer 1 layer 1
L2 layer 2 Layer 2
LAN Local Area Network Local Network
LMU location measurement unit
Mac Medium Access Control Media Access Control
Map Mobile Application Part Mobile Application
Mc cdma Multiple carrier CDMA Multi-Carrier Code Division Multiple Access
Mc tdma Multiple Carrier TDMA multi-carrier Time Division Multiple Access
Me Mobile Equipment mobile devices
Mgcf Media Gateway Control Function
MGW Media Gateway
MiB master information block control information block
Mcps mega chip per second megabits per second
MM mobility management
MPLS Multiprotocol Label Switching Multi-Protocol Label exchange
MRF Media Resource function
Mrfc Media Resource function controller
Mrfp Media Resource function Processor
MSC mobile services centre Mobile Business Center
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MTP message transfer part message transmission
MTP3-B message transfer part Level 3 level 3 message transfer section
M3ua mtp3 user adaptation layer mtp3 user Adaptation Layer
NAS non access stratum non-access layer
NBAP NodeB Application Part Node B Application Part
O & M Operation and Maintenance
PC Power Control
Pcch paging Control CHannel
Pccpch primary common control physical channel basic public control physical channel
PCH paging Channel
Pdsch physical downlink shared channel
Plmn Public Land Mobile Network
PPP Point-to-Point Protocol
Prach Physical Random Access Channel
PS packet switched group switch
PSTN Public swithed Telephone Network Public Telephone Exchange Network
Pusch physical uplink shared channel
QAM quadrature amplitude modulation orthogonal Amplitude Modulation
Qe quality estimate Quality Evaluation
PSK quadriphase Shift Keying four-phase shift keying
QoS quality of service
R-SGW roaming signalling gateway roaming Signaling Gateway
RAB radio access bearer Wireless Access bearer
Rach Random Access Channel
Ranap Radio Access Network Application Part Wireless Access Network Application
Rat Radio Access Technology Wireless Access Technology
RL Radio Link Wireless Link
RLC Radio Link Control Wireless Link Control
RNC radio network controller wireless network controller
RNS radio network subsystem wireless network subsystem
Rnsap radio network Subsystem Application Part wireless network Subsystem Application Part
Rnti radio network temporary identity temporary identification of Wireless Networks
Rr radio resources wireless resources
RRC radio resource control wireless resource control
RSVP Resource Reservation Protocol resource retention Protocol
RTCP Real Time Control Protocol Real-time Control Protocol
RTP Real Time Protocol Real-Time Protocol
Sa Service Area
Sabp service area broadcast protocol service area broadcast Protocol
SAP Service Access Point
SBM subnetwork bandwidth management subnet bandwidth management
SC TDMA single carrier TDMA single-carrier Time Division Multiple Access
SSCF service specific co-ordination function specific service coordination function
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SCCP signalling connection control part Signaling connection control part
Sch synchronization Channel Synchronous Channel
Sccpch secondary common control physical channel assists in public control over physical Channels
SCP Service Control Point business Control Point
Sctp simple control transmission protocol simple control transfer protocol
SFN system frame number
Sgsn Serving GPRS Support Node GPRS Service Support Node
SIB system information block
Sim subscriber identity module user recognition module
SLF subscr resume ption location function signing location function
SM session management
Srnc serving radio network controller service Wireless Network Control
Srns serving RNS service RNS
SS7 Signalling System No. 7 Signaling System
SSCF service specific co-ordination function specific service coordination function
SSCF-NNI service specific coordination function-network node interface
Network Element interface for specific service coordination functions
Sscop service specific connection oriented protocol specific service connection-oriented protocol
. Stm synchronous transfer mode synchronous transmission mode.
T-SGW transport signalling gateway transport Signaling Gateway
TB Transport Block
TBS transport block set
TCP transfer control protocol
TDD Time Division Duplex
TDMA time division multiple access
TD-SCDMA Time Division Synchronous CDMA time synchronization-code division multiple access
TFC transport format combination transfer format combination
Tfci transport format combination indicator Transmission Format combination indication
TFCs transport format combination set transfer format combination set
TFI transport Format Indicator Transmission Format indication
TFS transport format set transfer format set
Toa Time of Arrival arrival time
TPC transmit power control
TSN Transmission sequence number transmission serial number
TTI transmission time interval Transmission Interval
UDP user datasync protocol User Datagram Protocol
UE user equipment user Device
Ul uplink
UMTS Universal Mobile Telecommunication System Land Mobile Communication System
Uppts uplink pilot time slot uplink guide Time Slot
Uppch uplink pilot channel upstream guide channel
Usch up-link shared channel uplink shared channel
Usim umts subscriber identity module UMTS user recognition module
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Utran umts Terrestrial Radio Access Network UMTS land Wireless Access Network
VC virtual circuit
Vlr Visitor Location Register Access Location Register
WAP Wireless Application Protocol
WCDMA Wideband Code Division Multiple Access broadband CDMA
WG Working Group Work Group
WWW World Wide Web
Xres expected user response
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