CPICH Common Pilot Channel
C-plane Control Plane
CPS Common Part Sublayer
CP-TP Certificate Present (in the MExE SIM)-Third Party
CPU Central Processing Unit
CQI Channel Quality Indicator. индикатор качества канала.
CRC Cyclic Redundancy Check
CRE Call Ree-establishment procedure
Cell Range Extension
CRI CSI-RS Resource Indicator ресурсный индикатор информации о состоянии канала
CRNC Controlling Radio Network Controller
C-RNTI Cell Radio Network Temporary Identifier, временный сотовый идентификатор радиосети.
CRS Cell-specific Reference Signal
CS Circuit Switched
Coding Scheme
CSA Common Subframe Allocation
CSCF Call Server Control Function
CSD Circuit Switched Data
CSE Camel Service Environment
CSFB CS fallback
CSG Closed Subscriber Group, закрытая группа пользователей.
CSGID Closed Subscriber Group Identity
CS-GW Circuit Switched Gateway
CSI Channel State Information, информация о состоянии канала
CSI-IM CSI interference measurement
CSI-RS Channel-State Information Reference Signals
CSPDN Circuit Switched Public Data Network
CT Call Transfer supplementary service
Channel Tester
Channel Type
CTCH Common Traffic Channel
CTDMA Code Time Division Multiple Access
CTFC Calculated Transport Format Combination
CTM Cellular Text telephone Modem
C-TPDU Command TPDU
CTR Common Technical Regulation
CTS Cordless Telephony System
CUG Closed User Group
CW Call Waiting
Continuous Wave (unmodulated signal)
CWI Character Waiting Integer
CWT Character Waiting Time
DAC Digital to Analog Converter
DAD Destination ADress
DAI Downlink Assignment Index
DAM DECT Authentication Module
DB Dummy Burst
DC Direct Current
Dedicated Control (SAP)
Dual Connectivity
DC_X-Y Inter-band DC of component carrier(s) in one sub-block within Band X and component carrier(s) in one sub-block within Band Y where X and Y are the applicable E-UTRA operating band
DCA Dynamic Channel Allocation
DCCH Dedicated Control Channel, логический выделенный управляющий канал, предназначенный для обеспечения связи между сетью и абонентом, имеющим RRC-соединение.
DCE Data Circuit terminating Equipment
DCF Data Communication Function
DCH Dedicated Channel
DC-HSDPA Dual Cell HSDPA
DCI Downlink Control Information, управляющее сообщение, пере-даваемое в нисходящем физическом управляющем канале PDCCH.
DCK Depersonalisation Control Key
DCN Dedicated Core Networks
Data Communication Network
DCS Data Coding Scheme
DCS1800 Digital Cellular Network at 1800MHz
DDI Direct Dial In
DECT Digital Enhanced Cordless Telecommunications
DeNB Donor eNB донорская базовая станция
DES Data Encryption Standard
DET Detach
DF Dedicated File
DFN Direct Frame Number
DFT Discrete Fourier Transformation
DFTS DFT Spread OFDM
DHCP Dynamic Host Configuration Protocol
DHO Diversity Handover
diff-serv Differentiated services
DIP Dominant Interferer Proportion
DISC Disconnect
DL Data Layer
Downlink (Forward Link) нисходящий
DLCI Data Link Connection Identifier
DLD Data Link Discriminator
DL-SCH Downlink Shared Channel, транспортный нисходящий совместный канал.
Dm Control channel (ISDN terminology applied to mobile service)
DMR Digital Mobile Radio
DMRS Demodulation Reference Signals, демодулирующие пилотные сигналы.
DMTC Discovery Signal Measurement Timing Configuration
DMTF Distributed Management Task Force
DN Destination Network
DNIC Data Network Identifier
DNS Domain Name Server, сервер доменных имён, переводящий числовой IP-адрес в строковый адрес.
DNS Directory Name Service
DO Data Object
DP Dial/Dialled Pulse
DPCCH Dedicated Physical Control Channel
DPCH Dedicated Physical Channel
DPDCH Dedicated Physical Data Channel
DRAC Dynamic Resource Allocation Control
DRB Data Radio Bearer
DRNC Drift Radio Network Controller
DRNS Drift RNS
DRS Discovery Reference Signal
DRX Discontinuous Reception
DSAC Domain Specific Access Control
DS-CDMA Direct-Sequence Code Division Multiple Access
DSCH Downlink Shared Channel
DSE Data Switching Exchange
DSI Digital Speech Interpolation
DSS1 Digital Subscriber Signalling No1
DTAP Direct Transfer Application Part
DTCH Dedicated Traffic Chanel, логический выделенный трафиковый канал, устанавливаемый между двумя абонентами для передачи пользовательской информации.
DTE Data Terminal Equipment
DTMF Dual Tone Multiple Frequency
DTT Digital Terrestrial Television
DTX Discontinuous Transmission
DUT Device Under Test
DwPTS Downlink pilot time slot, пилотный слот (точка переключения) нисходящего направления.
DwPTS Downlink part of the special subframe (for TDD operation)
EA External Alarms
EAB Extended Access Barring
EARFCN E-UTRA Absolute Radio Frequency Channel Number
EBSG Elementary Basic Service Group
Ec/No Ratio of energy per modulating bit to the noise spectral density
ECB Electronic Code-book
ECC Emergency Call Code
Elliptic Curve Cryptography
ECCE Enhanced Control Channel Element
ECEF Earth-Centered, Earth-Fixed
EC-EGPRS Extended Coverage EGPRS [deprecated: replaced by EC-GSM-IoT]
ECGI E-UTRAN Cell Global Identifier, глобальный идентификатор соты.
EC-GSM-IoT Extended Coverage GSM Internet of Things
ECI Earth-Centered-Inertial
E-CID Enhanced Cell-ID (positioning method)
ECM EPS Connection Management
ECM Error Correction Mode (facsimile)
ECSD Enhanced CSD
ECT Explicit Call Transfer supplementary service
ECTRA European Committee of Telecommunications Regulatory Affairs
EDC Error Detection Code byte
EDGE Enhanced Data rates for GSM Evolution
eDRX Extended Discontinous Reception
EEL Electric Echo Loss
EF Elementary File
EF Elementary File (on the UICC)
EFR Enhanced Full Rate
EFS Error free seconds
E-GGSN Enhanced GGSN
EGNOS European Geostationary Navigation Overlay Service
EGPRS Enhanced GPRS
E-HLR Enhanced HLR
EHPLMN Equivalent Home Public Land Mobile Network
eHRPD enhanced High Rate Packet Data
eIMTA Enhanced Interference Management and Traffic Adaptation, улучшенное интерференционное управление и адаптация трафика
eIMTA-RNTI Enhanced Interference Management and Traffic Adaptation – RNTI
EIR Equipment Identity Centre
Equipment Identity Register
EIRP Effective Isotropic Radiated Power
Equivalent Isotropic Radiated Power
EL Echo Loss
EM Element Manager
EMC ElectroMagnetic Compatibility
eMLPP enhanced Multi-Level Precedence and Pre-emption
EMM EPS Mobility Management, управление мобильностью абонента или терминала в пакетной сети.
EMMI Electrical Man Machine Interface
eNB E-UTRAN Node B, базовая станция
eNode-B Evolved Node B
EOP Earth Orientation Parameters
EP Elementary Procedure
EPA Extended Pedestrian A model
EPC Evolved Packet Core, базовая пакетная (под)сеть (несколько ММЕ).
EPC Enhanced Power Control
EPCCH Enhanced Power Control Channel
EPDCCH Enhanced Physical Downlink Control Channel (Улучшенный физический нисходящий канал управления)
EPDU External Protocol Data Unit
EPRE Energy Per Resource Element
EPROM Erasable Programmable Read Only Memory
EPS Evolved Packet System, выделенная пакетная система. Понятие, относящееся к каналу, по которому передаётся информация о параметрах качества обслуживания.
EPS EPS Connection Management
E-RAB E-UTRAN Radio Access Bearer
EREG Enhanced Resource-Element Group
ERP Ear Reference Point
Equivalent Radiated Power
ERR Error
ESD Electrostatic discharge
E-SMLC Enhanced Serving Mobile Location Centre