a
- A QPSK (Adaptive QPSK)
- A-BFT (Associated Beamforming training Time)
- A-CELP (Algebraic CELP)
- A-CSI (aperiodic-CSI)
- A-GNSS (Assisted global navigation satellite system)
- A-GW (Access Gateway)
- A-MAP (Advanced Medium Access Protocol)
- A-MPR (Additional Maximum Power Reduction)
- A-MSC (Anchor-Mobile Switching Center)
- A-Preamble (Advanced Preamble)
- A/D (analog-to-digital converter)
- A2G (Air-to-ground)
- AAAA (IPv6 address record)
- AAC (Advanced Audio Coding)
- AAC-ELD (AAC Enhanced Low Delay)
- AAC-LD (AAC Low Delay)
- AAL (ATM Adaptation Layer)
- AAL2 (ATM Adaptation Layer type 2)
- AAoA (Azimuth angle of arrival)
- AAoD (Azimuth angle of departure)
- AAR (AA request)
- AAS (Active Antenna System)
- AAS (Adaptive Antenna System)
- AAS (Advanced antenna system)
- Abis (Interface between BTS and BSC)
- ABNO (Applications‐Based Network Operations)
- ABQP (Aggregate BSS QoS Profile)
- ABR (Available Bit Rate)
- ABS (Advanced Base Station)
- ABS (almost blank subframe)
- AC (access class)
- AC (Authentication Centre)
- ACB (Access Class Barring)
- ACBL (Access Class Barring List)
- ACCH (Associated Control Channel(s)
- ACCOLC (Access Overload Control)
- ACDM (Algebraic Channel Decomposition Multiplexing)
- ACE (Active Constellation Extension)
- ACELP (Algebraic Code Excited Linear Prediction)
- ACF (Analog Channel Filter)
- ACF (Auto-correlation function)
- ACGN (additive colored Gaussian noise)
- ACI (Adjacent channel interference)
- ACID (HARQ Channel Identifier)
- ACK (acknowledge)
- ACL (Access Control List)
- ACL (Asynchronous Connectionless)
- ACLR (Adjacent Channel Leakage Ratio)
- ACM (Address Complete Message)
- ACO-OFDM (Asymmetrically clipped optical orthogonal frequency division)
- ACR (Absolute Category Rating)
- ACR (Accounting request)
- ACR (Adjacent Channel Rejection)
- ACRDA (Asynchronous contention resolution diversity ALOHA)
- ACS (Auto-Connection Server) or ACS (Autoconfiguration Server)
- ACTS (Advanced communication technologies and systems, EU research projects)
- ADC (Application delivery controllers)
- ADC (Application Detection and Control)
- ADM (Application Development and Maintenance)
- ADS (Advanced Design System)
- ADSL (asymmetric digital subscriber line)
- ADSL (Asynchronous Digital Subscriber Line)
- AE (Antenna Element)
- AE (Auto-Encoder)
- AECC (Automotive Edge Computing Consortium)
- AEKF (Adaptive extended Kalman filter)
- AEs (Antenna Elements)
- AF (Antenna Filter)
- AFD (Average Fade Duration)
- AFL (Anchor-free localization)
- AFLA (Antenna factor of the linear array)
- AfriNIC (African Network Information Center)
- AG (Audio Gateway)
- AG-HetNet (Air-ground heterogeneous cellular network)
- AGA (Air–ground-air)
- AGC (Automatic Gain Control)
- AGCF( Access gateway control function)
- AGCH (Access Grant Channel)
- AGNSS (assisted GNSS)
- AGV (Automated Guided Vehicles)
- AH (Authentication Header)
- AI ( Air Interface)
- AI (artificial intelligence)
- AIC (Active Interference Cancellation)
- AICH (Acquisition Indicator Channel)
- AIE (air interface encryption)
- AIFS (Arbitration interframe space)
- AIFSN (Arbitration Interframe Space Number)
- AINI (ATM Inter-Network Interface)
- AIPN (All-IP network)
- AIR (Antenna integrated radio)
- AIR (Authentication Information Request)
- AIS (Aeronautical Information Service the peace Aeronautical Information Service (AIS)
- AISG (Antenna Interface Standards Group)
- AIV (Air Interface Variant)
- AKA (Authentication and Key Agreement)
- AKID (Authorization Key Identifier)
- ALCAP (Access link control application part)
- ALG (Application-level gateway)
- ALMMSE (Approximate Linear Minimum Mean Square Error)
- AltBOC (alternate binary offset carrier)
- ALTO (Application‐layer traffic optimization)
- AM (Amplitude Modulation)
- AM (Application Manager)
- AMBR (Aggregate maximum bit rate)
- AMC (Adaptive modulation and coding)
- AMF ( Access and Mobility management function)
- AMPS (advanced mobile phone service)
- AMQP (Advanced Message Queue Protocol)
- AMR (Adaptive multi rate)
- AMR-NB (Adaptive Multi-Rate Narrowband)
- AMR-WB (Adaptive Multi-Rate Wideband)
- AMS (Adaptive MIMO Switching)
- AN (Access network)
- AN (Artificial noise)
- ANDSF (Access Network Discovery and Selection Function)
- ANM (Answer Message)
- ANN (Artificial Neural Network)
- ANR (Automatic neighbor relation)
- ANSI (American National standard institute)
- Anti-spoofing
- AoA (angle of arrival)
- AP (Antenna Port)
- AP (Application protocol)
- AR (Aggregation Router)
- AR (Augmented reality)
- ARAIM (Advanced RAIM)
- ARFCN (Absolute Radio-Frequency Channel Number)
- ARIB (Association of Radio Industries and Businesses)
- ARM (Advanced RISC Machines)
- ARO adjustable robust optimization
- ARP (Address Resolution Protocol)
- ARP (allocation and retention priority)
- ARP (antenna reference point)
- ARPANET (Advanced Research Projects Agency)
- ARPC (Average Revenue Per Customer)
- ARPF (Authentication Credential Repository and Processing Function)
- ARQ (automatic repeat request)
- ARQ Automatic Retransmission Request
- ARQN (Automatic Retransmission Request Notification)
- AS (Access Stratum)
- AS (Application Server)
- AS (Autonomous System)
- ASA (Abort session answer)
- ASA (Authentication and Service Authorization)
- ASA (Authorized shared access)
- AS‐PCE (Active Stateful Path Computation Element)
- ASE (area spectral efficiency)
- ASME (Access security management entity)
- ASMG (Arab Spectrum Management Group)
- ASN (Abstract Syntax Notation)
- ASN (Access Service Network)?
- ASN-GW (ASN- Gateway)
- ASN.1 (Abstract Syntax Notation One)
- ASR (Abort session request)
- Assisted GPS
- AST (Adaptive Symbol Transition)
- ATC (Air traffic control)
- ATCA (Advanced Telecommunications Computing Architecture)
- ATCF (Access transfer control function)
- ATDD (Adaptive Time Division Duplexing)
- ATM (Asynchronous Transfer Mode)
- AU (Application unit)
- AuC (Authentication Center)
- AUSF (Authentication Server Function)
- AUT (Antenna under test)
- AV (Authentication vectors)
- AVA (antipodal Vivaldi antenna)
- AVC (Advanced Video coding)
- AVCTP (Audio/Video Control Transport Protocol)
- AVDTP (Audio Video Distribution Transfer Protocol)
- AVL (Automatic vehicle location)
- AVPF (Audio visual profile with feedback)
- AWGN (Additive White Gaussian Noise)
- AWRI (Advanced Wireless Research Initiative)
- AWS (Advanced Wireless Services )
- AXC (ATM Cross Connect)
- A2DP (Advanced Audio Distribution Profile)
- AAL5 (ATM Adaptation Layer type 5)
- ABMF (Account balance management function)
- AC (Admission Control)
- ACBT (Access Class Barring Time)
- ACGIH (American conference of governmental industrial hygienists)
- ACIR (Adjacent Channel Interference Ratio)
- ACM (adaptive coding and modulation)
- ACMA (Australian Communications and Media Authority)
- ACP (Adjacent channel power)
- ACPR (Adjacent Channel Power Ratio)
- ACS (Adjacent Channel Selectivity)
- AERIS (Applications for the Environment: Real-Time Information Synthesis)
- AES (Advanced Encryption Standard)
- AFE (Analog front-end)
- AFH (Adaptive Frequency Hopping)
- AFP (Automatic Frequency Planning)
- AFTR (Address Family Transition Router)
- AGC (Adaptive Gain Control)
- AGNSS (assisted GNSS)
- AGP (Automatic Generation of Initial Parameters for eNodeB Insertion)
- AI_SN (HARQ Identifier Sequence Number)
- AL (Aggregation Level)
- AM/PM (Amplitude Modulation to Phase Modulation conversion)
- AMFI (AMF identifier)
- AN (Access Node)
- AN (Anchor node)
- ANDSP (Access Network Discovery and Selection Policy)
- ANQP (Access Network Query Protocol)
- Antenna Array
- ARI (Acknowledgment Resource Indicator)
- ARIN (American Registry for Internet Numbers)
- ARP (Allocation and Retention Policy)
- ARQ (Accessibility, Retainability, Quality)
- ARRM (Advanced RRM)
- ARS (accelerated random search)
- ARS (Advanced Relay Station)
- AS SMC (AS Security Mode Command)
- ASA (Adaptive Slot Allocation)
- ASCI (Advanced Speech Call Items)
- ASCII (American Standard Code for Information Interchange)
- ASF (Apache Software Foundation)
- ASIC (Active SI Cancelation)
- ASIC (Application-specific integrated circuit)
- ASP (Application Service Provider)
- ATC (Ancillary Terrestrial Component)
- ATGW (Access transfer gateway)
- AUID (Application usage identification)
- Authentication, Authorization, and Accounting
- AVP (Attribute Value Pair)
- AVRCP (Audio/Video Remote Control Profile)
- AXI (Advanced eXtensible Interface)
- AF (Amplify-and-Forward)
- CCD (Cyclic Delay Diversity)
- CCDF (Complementary cumulative distribution function)
- BGP-LS (Border Gateway Protocol Link-State)
- BLUE (best linear unbiased estimator)
- BN (Bayesian Network)
- BNG (Broadband Network Gateway)
- BO (Backoff)
- BOCM (binary offset carrier modulation)
- BSS (Broadcast Satellite Services)
- CBG (code block group)
- CBOC (composite binary offset carrier)
- CC (Content of Communication)
- CCCH (Common Control Channel)
- CCF (Charging collection function)
- CCK (complementary code keying)
- CCPCH (Common Control Physical Channel)
- CD (Communication deflection)
- CE (Coverage enhancement)
- CEOFDM (Constant envelope OFDM)
- CEP (Constant Envelope Precoding)
- CIA (Confidentiality, integrity, and availability)
- CLI (Calling line identification
- CMC (connection mobility control)
- Coop-OA (cooperative OA)
- CP (Control Plane)
- CPS (cognitive positioning system)
- CriC (Critical communications)
- CSA (Coded Slotted ALOHA)
- CSI (Channel-State Information)
- CSP (Communication Service Provider)
- CT (Call Traces)
- CUG (Closed user group)
- Customer-premises equipment
- enhanced cell id
- MDBV (maximum data burst volume)
b
- BBU (Baseband unit)
- BCJR (Bahl, Cocke, Jelinek, and Raviv algorithm)
- BCMP (Baskett, Chandy, Muntz, demonstrate, and Palacios)
- BCP (Best Current Practice)
- BCR (Blocked Call Ratio)
- BCSM (Basic Call State Model)
- BCU (Body Central Unit)
- BD (Billing domain)
- BD (block diagonalization)
- BDS (BeiDou Navigation Satellite System
- BE (Bandwidth Efficiency)
- BEM (Basis expansion model)
- BEM (Block Edge Mask)
- BER (bit error rate)
- BGP (Border Gateway Protocol)
- BH (backhaul)
- BH (Busy Hour)
- BHCA (busy hour call attempts)
- BI (Backoff indicator)
- BI (Beacon Intervals)
- BICC (Bearer independent call control)
- BiCMOS (Bipolar Complementary Metal Oxide Semiconductor)
- BIH (Bump-In-the-Host)
- BIM (Bayesian information matrix)
- BIOS (Basic Input/output system)
- BIP (Bearer Independent Protocol)
- BITW (bump in the wire)
- BITW (bumping in the wire)
- BL (Bandwidth-reduced low complexity)
- BLAS (basic linear algebra subprograms)
- BLAST (Bell Labs Layered Space-Time)
- BLE (Bluetooth Low Energy)
- BLER (Block-Error Rate)
- Block Turbo Code (BTC)
- BM-SC (Broadcast multicast service center)
- BMC Broadcast‐Multicast Control
- BMCA (best master clock algorithm)
- BMR (Basic Mapping Rule)
- BNEP (Bluetooth Network Encapsulation Protocol)
- BoD (Bandwidth on demand)
- BOSS (Business and Operation Supporting Systems)
- BP (BandPass)
- BP (Bandwidth part)
- BP (belief propagation)
- BP (Blocking Probability)
- BPP (binomial point process)
- BPR (Branch Power Ratio)
- bps (bits per second)
- BPSK (Binary Phase Shift Keying)
- BR (Bandwidth Request)
- BR (bandwidth reservation)
- BR (Bit Rate)
- BR (Border Relay)
- BRAM (Block RAM)
- BRAS (Broadband remote access server)
- Broadcast‐Multicast Control
- BS (Base Station)
- BS (Best effort service)
- BSC (base station controller)
- BSD (Berkeley Software Distribution)
- BSF (binding support function)
- BSHR (bidirectional self‐healing ring)
- BSIC (Base Station Identity Code)
- BSS (Blind Source Separation)
- BSSAP (Base Station Subsystem Application Part)
- BSSGP (Base Station Subsystem GPRS Protocol)
- BSSID (Basic Service Set ID)
- BSSMAP (Base Station Subsystem Management Application Part)
- BT (Bluetooth)
- BTOP (Broadband Technology Opportunities Program
- BTR BTS (base station transceiver)
- BVC (BSSGP Virtual Connection)
- BVLoS (beyond-visual-line-of-sight)
- BVT (Bandwidth-Variable Transponders)
- BW (Bandwidth)
c
- Calling Line Identification Restriction (CLIR)
- CB (code block)
- CB (Coherence Bandwidth)
- CB (Communication barring)
- CBC (cell broadcast center)
- CBC (Cipher Block Chaining)
- CBC-MAC (Cipher Block Chaining Message Authentication Code)
- CBE (cell broadcast entity)
- CBP (call blocking probability)
- CBR (Case-Based Reasoning)
- CBR (Constant Bit Rate)
- CBS (Cell Broadcast Service)
- CBS (committed burst size)
- CBTC (Communication‐Based Train Control)
- CC (Call Control)
- CC (Cloud Controller)
- CC (Component Carrier)
- CC (Confirmation Code)
- CC (Control channels)
- CC (Convolutional Code)
- CC (Cooperative Communications)
- CCA (Clear channel assessment)
- CCA CCC (command and control center)
- CCE (Control Channel Element
- CCI (Co-Channel Interference)
- CCNs (Content‐centric networks)
- CCO (Capacity and Coverage Optimization)
- CCO (cell change order)
- CCS (Common Channel Signaling)
- CCSA (China Communications Standards Association)
- CCSDS (Consultative Committee for Space Data Systems)
- ccTLD (country code Top Level Domain)
- CD (Clock Drift)
- CDD (cyclic delay diversity)
- CDF (Charging Data Function)
- CDM (code division multiplexing)
- CDMA (code division multiple access)
- CDN (Content Delivery Network)
- CDNI (Content Delivery Networks Interconnection)
- CDR (Call detail record)
- CDR (Call Drop Rate)
- CDR (Charging data record)
- CDR (Conjugate Data Repetition)
- CDS (Channel dependent scheduling)
- CDTM (connection-dependent threshold model)
- CDV (Cell Delay Variation)
- CE (Channel Element)
- cell ID (cell identity)
- CELP (Code Excited Linear Prediction)
- CEPT (European Conference of Postal and Telecommunications Administration)
- CER (Customer Edge Router)
- CES (Circuit Emulation Services)
- CES (Customer edge switching)
- CET (Carrier Ethernet Transport)
- CET (carrier Ethernet)
- CF (Crest Factor)
- CFB (Call Forwarding Busy)
- CFI (control format indicator)
- CFNL (Communication forwarding on not logged in)
- CFNR (Communication forwarding no reply)
- CFNRc (Call Forwarding Not Reachable)
- CFO (carrier frequency offset)
- CFP (contention-free period)
- CFR (crest factor reduction)
- CFU (Call Forward Unreachable)
- CG (Charging Gateway function)
- CGA (Cryptographically Generated Address)
- CG‐NAT (Carrier‐grade network address translation)
- CGC (Complementary ground component)
- CH (cluster head)
- CHAP (Challenge Handshake Authentication Protocol)
- Chase combining
- CHE (channel decoder)
- CHE (Channel Encoder)
- CHF (Charging Function)
- CIC (Circuit Identification Code)
- CID (Connection Identifier)
- CIDR (Classes Inter-Domain Routing)
- CIF (Carrier indicator field)
- CINR (Carrier to Interference-plus-Noise Ratio)
- CIoT (Cellular Internet of Things)
- CIP (Critical Infrastructure Protection)
- CIR (Carrier to Interference Ratio)
- CIR (channel impulse response)
- CIR (committed information rate)
- CITEL (Inter-American Telecommunication Commission)
- CK (Ciphering key)
- CL (closed-loop)
- CLI (Calling line identification)
- CLI (Command-line interface)
- Cloud-RAN (Cloud Radio Access Networks)
- CLP (Cell Loss Priority)
- CLPC (Close-Loop Power Control)
- CLR (Cell Loss Ratio)
- CLSM (Closed Loop Spatial Multiplexing)
- CLT (Central Limit Theorem)
- CM (Coded Modulation)
- CM (Configuration Management)
- CM (connection management)
- CMAC (Cipher-Based Message Authentication Code)
- CMAS (commercial mobile alert service)
- CMDB (Configuration Management Database)
- CMOS ( Complementary Metal-Oxide-Semiconductor)
- CMP (Certificate Management Protocol)
- CN (Check Node)
- CN (Cognitive Networks)
- CN (Core Network)
- CNI (Container network interface)
- CNN (Convolutional neural network)
- CNPC (Control and non-payload communications)
- CNR (Channel-to-noise ratio)
- CNR (Channel-to-noise ratio)
- CNSS (Compass navigation satellite system)
- CNT (Computer network technologies)
- Co-MIMO (Collaborative MIMO)
- CoAP (Constrained Application Protocol)
- COBRA (Common Object Requesting Broker Architecture)
- COC (Cell Outage Compensation)
- CoDel (Controlled delay)
- COP (common operating picture)
- CORBA (Common Object Request Broker Architecture)
- CORESET (Control resource set)
- CoS (class of service)
- COTM (Communications on the move)
- COTS (commercial off-the-shelf)
- CP (Collision Probability)
- CP (control plane)
- CP (Cyclic Prefix)
- CP-OFDM (Cyclic prefix orthogonal frequency division multiple access)
- CPCH (Common Packet Channel)
- CPCI (Compact PCI)
- CPICH (common pilot channel)
- CPM (Continuous-phase-modulated)
- CPM (Converged IP Messaging)
- CPP (Controller placement problem)
- CPRI (common public radio interface)
- CPS (Cyber physical security)
- CPU (Central processing unit)
- CQI (channel quality indicator)
- CR (Cognitive radio)
- CR-NOMA (Cognitive radio inspired NOMA)
- CRAN (Centralized Radio Access Network)
- CRC (Cyclic Redundancy Check)
- CRF (Charging Rules Function)
- CRI (CSI-RS resource indicator)
- CRL (certificate revocation list)
- CRLB (Cramér-Rao Lower Bound)
- CRM (Cognitive radio management)
- CRNC (Controlling RNC)
- CRNTI (Cell Radio Network Temporary Identifier)
- CRPF (Cost-reference particle filter)
- CRRM (Common radio resource management)
- CRS (Cell-specific reference signal)
- CRS (Cognitive radio systems)
- CRS (Common reference signal)
- CRV (Constellation Rearrangement Version)
- CRZ (Contamination Reduction zone)
- CS (Circuit Switched (or Cyclic Shift)
- CS (Coding Scheme)
- CS (Compressed sensing)
- CS (Convergence Sublayer)
- CS (Coordinated Scheduling)
- CS-MGW (Circuit-switched media gateway)
- CS-RNTI (Configured scheduling RNTI)
- CSA (Cloud Security Alliance)
- CSA (Concurrent Spectrum Access)
- CS‐1, CS‐2 (Coding Schemes)
- CSCF (Call Session Control Function)
- CSD (Circuit-Switched Data)
- CSD (Cyclic Shift Delay)
- CsDMA (Code-shift division multiple access)
- CSFB (circuit-switched fallback)
- CSG (Closed Subscriber Group)
- CSK (Color Shift Keying)
- CSMA (Carrier Sense Multiple Access)
- CSMA/CD (Carrier Sense Multiple Access with Collision Detection)
- CSMA‐CA (Carrier Sense Multiple Access and Collision Avoidance)
- CSoHSPA (Circuit Switched Voice over HSPA)
- CSP (Cloud Service Providers)
- CSR ( Call Success Rate)
- CSS (chirp spread spectrum)
- CSS (CSG subscriber server)
- CTCH (Common Traffic Channel)
- CTD (Cell Transfer Delay)
- CTF (Channel transfer function)
- CUDA (Compute Unified Device Architecture)
- CUPS (Control and User Plane Separation (EPC nodes)
- CUS (collective use of spectrum)
- CV (connectivity verification)
- CVAA (Communications and Video Accessibility Act)
- CVAA (Communications and Video Accessibility Act)
- CVRN (Cooperative Vehicular Relay Network)
- CW (code word)
d
- D/A (digital-to-analog converter)
- D2D (Device-to-Device)
- DA (Destination address)
- DAB (digital audio broadcasting)
- DAD (Duplicate Address Detection)
- DAMA (Demand Assigned Multiple Access)
- DARP (Downlink Advanced Receiver Performance)
- DARPA (Defense Advanced Research Projects Agency)
- DARS (Digital Audio Radio Satellite)
- DAS (distributed antenna system)
- DBN (Deep Belief Network)
- DBPSK (Differential Binary Phase Shift Keying)
- DBSCAN (Density‐Based Spatial Clustering of Applications with Noise)
- DC (Direct Current)
- DC (Direct Current)
- DC (Dual Connectivity)
- DC-HSPA (Dual Cell HSDPA)
- DCC (Decentralized Congestion Control)
- DCCH (Dedicated Control Channel)
- DCCP (Datagram Congestion Control Protocol)
- DCF (Distributed coordination function)
- DCN (Dedicated Core Network)
- DCR (Direct Conversion Receiver)
- DCR (Drop Call Rate)
- DCS (Digital Communication System)
- DDC (Digital Down Converter)
- DDoS (Distributed Denial of service)
- DECOR (Dedicated Core Network)
- DES (Data Encryption Standard)
- DFCA (Dynamic Frequency and Channel Allocation)
- DFE (Decision-Feedback Equalization)
- DFI (Deep flow inspection)
- DFS (Dynamic frequency selection)
- DFT (Discrete Fourier Transform)
- DFT-S-OFDM (DFT spread OFDM)
- DGNA (dynamic group number assignment)
- DGPS (differential GPS)
- DHCP (Dynamic Host Configuration Protocol)
- DHCP (Dynamic Host Configuration Protocol)
- DHM (Digital Height Model)
- DIR (Dominant Interference Ratio)
- DLDC (Downlink Dual Carrier)
- DLL (Data Link Layer)
- DLL (delay-locked loop)
- DLSCH (Downlink Shared Channel)
- DM RS (Demodulation Reference Signal)
- DMA (Direct Memory Access)
- DMB (Digital mobile Broadcast)
- DME (Distance Measurement Equipment)
- DMM (Distributed mobility management)
- DMO (Direct mode operation)
- DMR (Digital Mobile Radio)
- DMRS (demodulation reference signal)
- DNAI (Data Network Access Identifier)
- DNS (Dynamic Name Server)
- DoA (direction of arrival)
- DOCSIS (Data over Cable Service Interface Specification)
- DoD (Department of Defense)
- DoT (Department of Telecommunications)
- DPCS (Destination Point Codes)
- DPD (digital predistortion)
- DPDK (Data Plane Development Kit)
- DPDK (Data Plane Development Kit)
- DPE (direct position estimation)
- DPI (Deep packet inspection)
- DPoS (Delegated Proof of Stake)
- DPS (dynamic point selection)
- DPSK (Differential Phase-Shift Keying)
- DQPSK (Differential Quadrature Phase Shift Keying)
- DRAM (Dynamic random access memory)
- DRAN (distributed RAN)
- DRL (Deep reinforcement learning)
- DRM (Digital rights management)
- DRNC (Drift RNC)
- DRR (Deficit Round Robin)
- DRX (Discontinuous Reception)
- DS-CDMA (direct-sequence code division multiple access)
- DS-MIPv6 (Dual Stack Mobile IPv6)
- DS-SS (Direct-sequence spread spectrum)
- DSA (Dynamic Service Addition)
- DSC (Diversity Selection Combining)
- DSCH (Downlink Shared Channel)
- DSCP (Differentiated Services Code-Point)
- DSL (digital subscriber line)
- DSP (Digital Signal Processing)
- DSP (digital signal processor)
- DSRC (Dedicated short‐range communications)
- DSS (Data Security Standard)
- DSTM (Dual Stack Transition Mechanism)
- DSTSK (Differential Space-Time Shift Keying)
- DTAP (Direct Transfer Application Part)
- DTCH (dedicated traffic channel)
- DTF (Discrete Fourier transform)
- DTFT (Discrete-time Fourier transform)
- DTIM (Delivery Traffic Indication Message)
- DTLS (Datagram transport layer security)
- DTM (Digital Terrain Model)
- DTM (Dual transfer mode)
- DTMF (Dual tone multi-frequency)
- DTP (Data Transfer Protocol)
- DTR (Data Terminal Ready)
- DTT (Data Transmission Time)
- DTX (Discontinuous Transmission)
- DU (Distributed unit)
- DVB (digital video broadcasting)
- DVFS (Dynamic Voltage and Frequency Scaling)
- DVRB (Distributed virtual resource block)
- DVRP (Distance Vector Routing Protocol)
- dwMDS (distributed weighted multidimensional scaling)
- DWMT (Discrete Wavelet Multitone)
e
- E-utran radio access bearer
- Eb/No (energy per bit to noise power spectral density ratio)
- EC-GSM-IoT (Extended Coverage for GSM based Internet of Things)
- ECC (Electronic Communications Committee)
- ECGI (E-UTRAN cell global identifier)
- ECM (EPS connection management)
- ECMP (Equal‐cost multipath)
- ECN (explicit congestion notification)
- ECO (European Communications Office)
- ECO EFIS (European Communications Office Frequency Information System)
- eCoMP (enhanced CoMP)
- ECS (Electronic communications services)
- ECSD (Enhanced Circuit Switched Data)
- ECT (Explicit communication transfer)
- ED (Enhanced Data Rate)
- EDCA (Enhanced distributed channel access)
- EDCH (Enhanced Dedicated Channel)
- EDE (Encrypt-Decrypt-Encrypt)
- EDPCCH (Enhanced Downlink Physical Control Channel)
- EDR (Event Data Record)
- eDRX (Extended discontinuous reception)
- EDT (Early data transmission)
- EE (Energy efficiency)
- EEA (EPS encryption algorithm)
- EEPROM (electrically erasable programmable read-only memory)
- EESS (Earth Exploration Satellite Systems)
- EFR (Enhanced Full Rate)
- EGP (External Gateway Protocol)
- EH (Energy Harvesting)
- EHF (Extremely high frequency)
- eHRPD (Evolved high rate packet data)
- eICIC (enhanced inter-cell interference coordination)
- EID (Endpoint identifiers)
- EIFS (Extended InterFrame Space)
- EIGRP (Enhanced Interior Gateway Routing Protocol)
- EIR (Equipment identity register)
- EIR (excess information rate)
- EM (Element Management)
- eMBB (enhanced MBB)
- EMC (electromagnetic compatibility)
- Emergency cell session control function
- EMF (Electromagnetic Field)
- EMI (Electromagnetic interference)
- EMM (EPS mobility management)
- EMM (Evolved packet system mobility management)
- EMS (Element management system)
- eMTC (Enhanced machine-type communication)
- EN-DC (E-UTRAN New Radio - dual connectivity)
- eNB (E-UTRAN Node B/evolved node B)
- Enhanced dedicated channel
- enhanced observed time difference
- EP (Enforcement Point)
- EPC (Evolved Packet Core (4G))
- EPDCCH (Enhanced physical downlink control channel)
- ePDG (Evolved Packet Data Gateway)
- EPL (Ethernet private line)
- EPLMN (Equivalent PLMN)
- EPON (Ethernet passive optical network)
- ERP (Effective Radiated Power)
- ESC (Environmental sensing capability)
- eSIM (Embedded subscriber identity module )
- ESLI (End of service life indicator)
- ESM (EPS Session Management)
- ESN (Emergency Services Network)
- ESP (Encapsulated security protocol)
- ESR (Extended Service Request)
- ESS (Extended Service Set)
- ETSI (European Telecommunications Standards Institute)
- ETWS (earthquake and tsunami warning system)
- EU (European Union)
- EUHT (Enhanced Ultra High Throughput)
- eUICC (Embedded UICC )
- EUTRA (Evolved UMTS terrestrial radio access)
- EV-DO (Evolution data only)
- EVLOS (Extended visual line of sight)
- EVM (Error Vector Magnitude)
- EVRC (Enhanced Variable Rate Codec)
- EVS (Enhance Voice Service)
f
- F-DPCH (Fractional DPCH)
- F-OFDM (Filtered orthogonal frequency division multiplexing)
- F1-AP (F1 application protocol)
- FA (Foreign Agent)
- FACCH (Fast Associated Control Channel)
- FACH (Forward Access Channel)
- FANR (Fast Ack/Nack Reporting)
- FAP (Femtocell Access Point)
- FAR (False Alarm Rate)
- FAR (Forwarding Action Rule)
- FBC (Flow-Based Charging)
- FBE (Frame-based equipment)
- FBMC (Filter Bank Multicarrier)
- FBR (Front‐to‐Back Ratio)
- FBSS (Fast Base Station Switching)
- FBW (fractional bandwidth)
- FCAPS (Fault, Configuration, Account, Performance and Security Management)
- FC‐OFDM (Flexibly Configured – OFDM)
- FCC (Federal Communications Commission)
- FCCH (Frequency Correction Channel)
- FCFS (First Come First Served)
- FCH (Frame Control Header)
- FCL (Fully connected layer)
- FCS (frame check sequence)
- FD (Frequency domain)
- FD (Full duplex)
- FD-MIMO (Full-dimension multiple input–multiple output)
- FDD (Frequency Division Duplex)
- FDDI (Fiber Distributed Data Interface)
- FDE (Frequency Domain Equalization)
- FDM (Frequency Division Multiplexing)
- FDM (fused deposition modelling)
- FDMA (Frequency-Division Multiple Access)
- FDPCH (Fractional DPCH)
- FDTD (Finite-Difference Time-Domain)
- FDV (Frame Delay Variation)
- FEC (Forward error correction)
- FeICIC (Further enhanced intercell interference coordination)
- FEM (Finite Element Method)
- FET (Field-Effect Transistor)
- FF (Form factor)
- FFO (Fractional Frequency Offset)
- FFR (Fractional Frequency Reuse)
- FFT (Fast Fourier Transform)
- FGI (Feature group indicator)
- FGW (Femto Gateway)
- FH (Frequency Hopping)
- FHS (Frequency hopping synchronization)
- FIB (Forwarding Information Base)
- FIFO (First In First Out)
- FIM (Fisher information matrix)
- FIPS (Federal Information Processing Standards)
- FIR (Finite Impulse Response)
- FIT (Finite Integration Technique)
- FL (Flight level)
- FLL (frequency-locked loop)
- FLR (Frame Loss Ratio)
- FM (fault management)
- FM (Frequency Modulated)
- FMC (Fixed Mobile Convergence)
- FMCW (frequency-modulated continuous wave)
- FMS Flexible Manufacturing System
- FMVSS (Federal Motor Vehicle Safety Standard)
- FO (Frequency offset)
- FOC (full operational capability)
- FoM (Figure-of-Merit)
- FOMA (Freedom of Mobile Multimedia Access)
- ForCES (Forwarding and Control Element Separation)
- FOV (Field of view)
- FP (Frame Protocol)
- FPGA (field-programmable gate array)
- FPLMTS (Future Public Land Future public land mobile telecommunication systems)
- FQAM (Frequency Quadrature Amplitude Modulation)
- FQDN (fully qualified domain name)
- FR (Frame Relay)
- FR (frequency range)
- FR (Frequency Reuse)
- FR (Full Rate)
- FRAMES (Future Radio Wideband Multiple Access Systems)
- FRS (Frequency Reuse Scheme)
- FSF (Free Software Foundation)
- FSPL (free-space path loss)
- FSS (Fixed Satellite Service)
- FST (Fast Session Transfer)
- FT (Fourier Transform)
- FTP (file transfer protocol)
- FTTA (Fiber‐to‐the‐Antenna)
- FTTx (Fiber to the X)
- Furnish Charging Information (FCI)
- FW (Firewalls)
- FWA (fixed wireless access)
g
- G-MSC (Gateway Mobile Switching Center)
- GAGAN (GPS-aided GEO augmented navigation)
- GAN (Generic Access Network)
- GANC (Generic Access Network Controller)
- GAP (Generic Access Profile)
- GB (Gigabyte)
- GBR (guaranteed bit rate)
- GCID (Global Cell Identity)
- GCS (Ground control system)
- GCS (group communications services)
- GCS AS (Group Call System Application Server)
- GCSE (Group Communications System Enablers)
- GENI (Global Environment for Networking Innovations)
- GEO (Geostationary Earth Orbit)
- GEPON (Gigabit Ethernet Passive Optical Network)
- GERAN (GSM edge radio access network)
- GFBR (guaranteed flow bit rate)
- GFDM (Generalized Frequency-Division Multiplexing)
- GGSN (gateway GPRS support node)
- GI (Guard interval)
- GIF (Graphics interchange format)
- GIS (Geographic Information system)
- GIWU (GSM interworking unit)
- GLONASS (global orbiting navigation satellite system)
- GMLC (Gateway Mobile Location Center)
- GMPLS (Generalized Multi‐Protocol Label Switching)
- GMSK (Gaussian minimum shift keying)
- GNSS (global navigation satellite system)
- GO (Geometrical Optics)
- GOEP (Generic Object Exchange Profile)
- GoS (Grade of Service)
- GP (guard period)
- GPIB (general purpose interface bus)
- GPL (General Public License)
- GPON (gigabit passive optical network)
- GPON (Gigabit PON)
- GPQSM (Generalized Precoding Aided Quadrature Spatial Modulation)
- GPRS (general packet radio service
- GPS (Global positioning system)
- GPU (Graphics Processing Unit
- GRE (Generic Routing Encapsulation)
- GSA (Global mobile Suppliers Association)
- GSC (Global Standards Collaboration)
- GSC (Ground control station)
- GSM (global system for mobile communication)
- GSMA (GSM Association)
- GTEK (Group Traffic Encryption Key)
- GTP (GPRS Tunneling Protocol)
- GTP U (GPRS Tunneling Protocol in user plane)
- GTP-C (GPRS Tunneling Protocol, Control Plane)
- GTT (Global Text Telephony)
- GUI (graphical user interface)
- GUMMEI (globally unique MME identifier)
- GUTI (globally unique temporary identifier)
h
- H-CRAN (Heterogeneous Cloud Radio Access Network)
- H-field (Magnetic field)
- HAPS (High Altitude Platform Stations)
- HARQ (Hybrid automatic repeat and request)
- HBRT (Hardware-Based Root of Trust)
- HBT (Heterojunction Bipolar Transistor)
- HCE (host card emulation)
- HCF (Hybrid Coordination Function)
- HCI (Host Controller Interface)
- HCN (Heterogeneous Cellular Network)
- HCS (Header Check Sequence)
- HCS (Hierarchical Cell Structure)
- HD (Half duplex)
- HDL (hardware description language)
- HDMI (High-Definition Multimedia Interface)
- HDSL (High-bit-rate Digital Subscriber Line)
- HE (Horizontal Encoding)
- HEC (Header Error Check)
- HEMT (High Electron-Mobility Transistor)
- HeNB (home eNB)
- HeNB GW (home eNB gateway)
- HetNet (heterogeneous network)
- HEVC (High Efficiency Video Codec)
- HF (High frequency)
- HFC (Hybrid Fibre Coaxial)
- HFN (Hyper-Frame Number)
- HIDs (Human interface devices)
- HIL (Hardware-In-the-Loop)
- HIP (Host Identity Protocol)
- HIPAA (Health Insurance Portability and Accountability Act)
- HLD (High Level Design)
- HLR (Home Location Register)
- HMAC (Hashed Message Authentication Code)
- HO (Hand Over)
- HPA (High Power Amplifier)
- HPBW (half-power beamwidth)
- HPF (High Pass Filter)
- HPLMN (Home public land mobile network)
- HPSK (Hybrid Phase Shift Keying)
- HR (Half-rate)
- HR/DSSS (High-rate/direct sequence spread spectrum)
- HRPD (high rate packet data)
- HS (Harmonized Standard)
- HS (Hot spot)
- HS-DPCCH (High speed dedicated control channel)
- HS-PDSCH (High Speed Physical Downlink Shared Channel)
- HS-SCCH (High-Speed Shared Control Channel)
- HS‐DPCCH (High Speed Dedicated Physical Control Channel)
- HSC (Home Subscriber Server)
- HSCSD (High Speed Circuit Switched Data)
- HSDPA (high speed downlink packet access)
- HSM (Hardware security module)
- HSN (Hopping Sequence Number)
- HSPA (High-Speed Packet Access)
- HSPA+ (Evolved High Speed Packet Access)
- HSRP (Hot Standby Router Protocol)
- HSUPA (high speed uplink packet access)
- HTTP (HyperText Transfer Protocol)
- HTTPS (HTTP Secure)
- HWN (Heterogeneous wireless networks)
i
- I-CSCF (Interrogating call session control function)
- I-RNTI (inactive RNTI)
- I/NAV (integrity/navigation)
- I/O (Input/Output)
- I2V (Infrastructure-to-Vehicle)
- IA (Interference alignment)
- IaaS (Infrastructure as a Service)
- IAB (Integrated Access and Backhaul)
- IANA (Internet Assigned Numbers Authority)
- IAPP (Inter Access Point Protocol)
- IBCF (Interconnection border control function)
- IBFD (In-band full-duplex)
- IBSS (Independent Basic Service Set)
- IC (Integrated Circuit)
- ICANN (Internet Corporation for Assigned Names and Numbers)
- iCAR (integrated Cellular and Ad hoc Relaying SystemSystem)
- ICC (Integrated Circuit Cards)
- ICCB (Internet Configuration Control Board)
- ICD (interface control document)
- ICIC (inter-cell interference coordination)
- ICMP (Internet Control Message Protocol)
- ICMPv4 (Internet Control Message Protocol version 4)
- ICMPv6 (Internet Control Message Protocol version 6)
- ICN (Information‐centric networks)
- ICNIRP (International Commission on Non-Ionizing Radiation Protection)
- ICS (IMS centralized services)
- ICS (Incident command structure)
- ICSI (Internet protocol multimedia subsystem)
- ICT (information and communication technologies)
- IDE (Integrated Development Environment)
- IDL (Interface Description Language)
- IDN (Internationalized Domain Name)
- IDS (Intrusion Detection System)
- IE (information element)
- IEC(International Electrotechnical Commission)
- IEEE (Institute of Electrical and Electronics Engineers)
- IESG (Internet Engineering Steering Group)
- IETF (Internet Engineering Task Force)
- IF (intermediate frequency)
- IFOM (IP Flow Mobility)
- IFS (Inter Frame Space)
- IGMP (Internet Group Message Protocol)
- IGP (Interior Gateway Protocol)
- IID (Interface IDentifier)
- IIoT (Industrial IoT)
- IKE (Internet Key Exchange)
- IL (Insertion Loss)
- ILNP (Identifier/Locator Network Protocol)
- ILS (instrument landing system)
- IM (Index Modulation)
- IM (Instant messaging)
- IM (Intensity modulation)
- IMAP (Internet Message Access Protocol)
- IMB (Integrated mobile broadcast)
- IMD (Intermodulation Distortion)
- IMEI (International mobile equipment identity)
- IMS (IP multimedia subsystem)
- IMS-ALG (IMS application level gateway)
- IMSI (International mobile subscriber identity)
- IMT-A (IMT-Advanced)
- IN (Intelligent Network)
- INAP (IN Application Protocol)
- INS (inertial navigation system)
- IOC (Information Object Class)
- IOI (Inter-operator identifier)
- IoT (Internet of Things)
- IoV (Internet of Vehicles)
- IP (Internet Protocol)
- IP CAN (IP Connectivity Access Network)
- IPCP (Internet Protocol Control Protocol)
- IPDL (Idle periods in downlink)
- IPSec (IP Security)
- IPTV (Internet Protocol Television)
- IPv4 (Internet Protocol version 4)
- IPv6 (Internet Protocol version 6)
- IQ (in-phase/quadrature)
- IR (Incremental Redundancy)
- IR (Infrared)
- IR-UWB (impulse radio UWB)
- iRAT (inter-Radio Access Technology)
- IR‐HARQ (incremental redundancy HARQ)
- IRC (interference rejection combining)
- IRDS (International Roadmap for Devices and System)
- IRI (Intercept Related Information)
- IRNSS (regional navigation satellite system)
- IRP (Integration Reference Point)
- ISATAP (Intra-Site Automatic Tunnel Addressing Protocol)
- ISI (inter-symbol interference)
- ISIM (IMS Subscriber Identity Module)
- ISM (industrial scientific medical)
- ISO (International Standardization Organisation)
- ISP (Internet service provider)
- ISRO (Indian Space Research Organization)
- ISRP (Intersystem routing policy)
- ISUP (Integrated Services Digital Network User Part)
- IT (Information Technology)
- ITRS (International Telecom Roadmap for Semiconductors)
- ITS (intelligent transportation system)
- ITU (International Telecommunication Union)
- ITU-R (International Telecommunications Union - Radio Communications Sector)
- ITU-T (ITU Telecommunication Standardization Sector)
- IV (Initialization Vector)
- IWF (Interworking Function)
l
- L2TP (Layer 2 Tunneling Protocol)
- LA (Link Adaptation)
- LAA (License-Assisted Access)
- LAAS (local area augmentation system)
- LAC (Location Area Code)
- LADN (Local Area Data Network)
- LAI (Location area identity)
- LAN (Local area network)
- LAPDm (Link Access Protocol on the Dm channel)
- LAU (Location Area Update)
- Layer 1 (Layer 1 (Physical Layer)
- Layer 2 (Layer 2 (Medium Access Control Layer)
- Layer 3 (Layer 3 (Network Layer in OSI)
- LB (load balancing)
- LBO (local breakout )
- LBS (Location Based Services)
- LCD (Liquid crystal display)
- LCP (Link Control Protocol)
- LDAP (Lightweight directory access protocol)
- LDM (Layer division multiplex)
- LDP (Label Distribution Protocol)
- LDPC (low density parity check)
- LEA (Law Enforcement Agencies)
- LI (Lawful Interception)
- Li-Fi (Light-Fidelity)
- LIDAR (Light Detection and Ranging)
- LIPA (local IP access)
- LISP (Locator Identifier Separation Protocol)
- LLC (logical link control)
- LMDS (Local Multipoint Distribution Service)
- LMR (Land Mobile Radio)
- LNA (low noise amplifier)
- LO (Local Oscillator)
- LPC (Linear predictive coding)
- LPWA (Low Power Wide Area)
- LSO (Lifecycle Service Orchestration)
- LSRP (Link-State Routing Protocol)
- LSTM (Long short-term memory)
- LTE (long term evolution)
- LTE-A (Long Term Evaluation—Advanced)
- LVC (Layered video coding)
- LVDS (low-voltage differential signaling)
m
- M2M (machine‐to‐machine)
- MaaS (Mobility as a service)
- MAC (Medium Access Control)
- MACA (Multiple access collision avoidance)
- MAHO (Mobile Assisted HandOver)
- MAIO (Mobile Allocation Index Offset)
- MAN (Metropolitan Area Network)
- MANET (Mobile Ad‐hoc Network)
- MAP (Mobile Application Part)
- MBB (Mobile Broadband)
- MBGP (Multi Protocol BGP)
- MBH (mobile backhaul)
- MBMS (Multimedia Broadcast Multicast Service)
- MC (Modulation and Coding)
- MC-CDMA (Multicarrier CDMA)
- MCC (Mobile cloud computing)
- MCC (Mobile country code)
- MCH (Multicast channel)
- MCID (Malicious communication identification)
- MCL (Maximum coupling loss)
- MCM (Multicarrier modulation)
- MCMC (Markov chain Monte Carlo)
- MCN (Multi-hop Cellular Network)
- MCPA (Multicarrier Power Amplifier)
- MCPTT (mission‐critical push‐to‐talk)
- MCR (Minimum Cell Rate)
- MCU (Multipoint control unit)
- MD (Mobile device)
- MDHO (Macro Diversity Handover)
- MDI (Medium Dependent Interface)
- MDM (mobile device management)
- MDP (Markov decision problem/process)
- MDS (Multipoint Distribution Service)
- MDT (minimization of drive tests)
- MDT (Mobile data terminal
- MEC (Mobile Edge Computing)
- MEGACO (Media gateway control)
- MEMS (Microelectromechanical systems)
- MER (Modulation Error Rate)
- MES (Manufacturing Execution System)
- MF (matched filter)
- MG (Media Gateway)
- MGF (moment generating function)
- MHA (Mast Head Amplifier)
- MHz (megahertz)
- MI (Mutual Information)
- MIB (Management Information Base)
- MIC (Message Integrity Code)
- MIC (Ministry of Internal Affairs and Communications)
- MICO Mobile Initiated Communication Only
- MIFR (Master International Frequency Register)
- MIH (Media Independent Handover)
- MIIT (Ministry of industrial and information technology)
- MIME (Multipurpose Internet Mail Extension)
- MIMO (Multiple Input Multiple Output)
- Minimum Coupling Loss
- mIOT (Massive internet of things)
- MIP (Mobile IP)
- MIPI (Mobile Industry Processor Interface)
- MIPS (Million Instructions Per Second)
- MIPv6 (Mobile IPv6)
- MISO (multiple-input single-output)
- MIT (Massachusetts Institute of Technology)
- MITM (Man in the middle)
- ML (Machine Learning)
- ML(D) (maximum likelihood (detection)
- MLO (multilayer optimization)
- MLP (Mobile Location Protocol)
- MLP (Multilayer Perceptron)
- MM (Mobility Management)
- mm-Wave (millimetre wave)
- MMDS (Multichannel Multipoint Distribution Service)
- MMF (Max-Min Fairness)
- MMI (Man-Machine Interface)
- MMIC (Monolithic Microwave Integrated Circuit)
- MMIMO (Massive Multiple‐Input Massive Multiple‐Output)
- MMS (Multimedia Messaging Service)
- MMTel Multimedia Telephony
- mmW, mmWave millimeter-Wave
- MNC (Mobile network code)
- MNO (mobile network operator)
- MOA (memorandum of agreement)
- MOCN (Multi Operator Core Network)
- Modulation
- MOP (Multi‐Objective Optimization)
- MOS (Mean Opinion Score)
- MP (Message Passing)
- MP-BGP (Multiprotocol Border Gateway Protocol)
- MPA (Message passing calculation)
- MP‐TCP (Multi‐Path Transmission Control Protocol)
- MPDCCH (MTC physical downlink control channel)
- MPEG (Moving Pictures Experts Group)
- MPLS (Multi-Protocol Label Switching)
- MPLS‐TP (MPLS Transport Profile)
- MPP (Massively Parallel Processor)
- MPTCP (Multipath Transmission Control Protocol
- MS (mobile station)
- MSC (mobile services switching center)
- MSDP (Multicast Source Discovery Protocol)
- MSDU (MAC Service Data Unit)
- MSIN (Mobile Subscription Identification Number)
- MSISDN (Mobile Station ISDN number)
- MSISDN Mobile Station International Subscriber Directory Number
- MSK (minimum-shift-keying)
- MSN (Microsoft network)
- MSRN (Mobile Station Roaming Number)
- MSRP (Message session relay protocol)
- MSS (Maximum Segment Size)
- MSS (Mobile satellite service)
- MTBF (mean time between failures)
- MTC (Machine Type Communications)
- MTM Machine-to-Machine (communications)
- MTP (Message transfer part)
- MTSAT (multifunctional transport satellite)
- MTSO (Mobile telephone switching office)
- MTTR (Mean Time to Repair)
- MTU (Maximum Transmission Unit)
- MU-MIMO (Multiuser MIMO)
- MUD (Multiple User detection)
- Multi-GNSS (Multi-Global Navigation Satellite System)
- multicarrier modulation
- Multiplexing
- MuSCA (Multi-slots coded ALOHA)
- MUSIC (Multiple Signal Classification)
- MUX (multiplexer)
- MVNE (Mobile virtual network enabler)
- MVNO (Mobile Virtual Network Operator)
- MWC (Mobile World Congress)
- MWI (Message Waiting Indication)
n
- N-AMPS (Narrowband AMPS)
- N-OFDM (Non-Orthogonal Frequency Division Multiplexing)
- NaaS (Network as a Service)
- NACC (Network Assisted Cell Change)
- NACK (negative ACK)
- NACK (Negative acknowledgment)
- NADC (North American Digital Cellular)
- NAI (network access identifier)
- NAL (Network Abstract Layer)
- NAP (Network Access Point)
- NAS (Network Access Server)
- NAS (Non-Access Stratum (a functional layer between the core network and the terminal that supports signaling and user data transfer))
- NAT (network address translation)
- NAT-PMP (NAT Port Mapping Protocol)
- NAV (Network Allocation Vector)
- NAVSTAR (navigation system for timing and ranging)
- NB Node B
- NB-IoT (Narrow Band Internet of Things)
- NBAP Node B Application Part
- NBI (narrowband interference)
- NBMA (Non-Broadcast Multiple Access)
- NCGI (NR cell global identifier)
- NCO (numerically controlled oscillator)
- NCP (Network Control Protocol)
- NCSA (National Center for Supercomputing)
- ND (Neighbor Discovery)
- NDC (National Destination Code)
- NDIS (network driver interface specification)
- NDP (Neighbor Discovery Protocol)
- NE (Network Element)
- NEM (Network Element Manager)
- NEMA (National Emergency Management Agency)
- NEP Network equipment provider
- NETCONF (Network Configuration Protocol)
- NF (Noise Figure)
- NFAP (National Frequency Allocation Plan)
- NFC (Near Field Communication)
- NFPA (National Fire Protection Association)
- NFV (network functions virtualization)
- NFVI (Network functions virtualization infrastructure)
- NFVO (network function virtualization orchestrator)
- NG (The interface between the gNB and the 5G CN)
- NGMN (Next Generation Mobile Networks)
- NGPON2 (Next Generation PON2)
- NIC (Network Interface Card)
- NID (Network ID)
- NIDD (Non-IP Data Delivery)
- NIDS (Network Intrusion Detection Systems)
- NII (National Information Infrastructure)
- NIOSH (National institute for Occupational safety and health)
- NIST (National Institute of Standards and Technology (USA))
- NL (Network Layer)
- NLOS (non-line of sight)
- NLS (nonlinear least squares)
- NM (Network Management)
- NML (Network Management Layer)
- NMS (network management system)
- NMT (Nordic mobile telephony)
- NN (neural network)
- NNI (Network-to-Network Interface (or Network Node Interface))
- NNTP (Network News Transfer Protocol)
- NOC Network Operations Center
- Node B base station
- NOS (Network operating system)
- NP (Network processor)
- NPRM (Notice of Proposed Rulemaking)
- NPSS (narrowband primary synchronization signal)
- NPSTC (National Public Safety Telecommunications Council)
- NR (New Radio (5G)
- NRA (National Regulatory Authority)
- NRT (Near Real-Time)
- NS (Network Service)
- NSC (Network service chaining)
- NSF (National Science Foundation)
- NSS (Network Switching Subsystem)