D	Direction
D	Duration
D	dispersion
DA	DCCF Adaptor
DA	Distribution Automation
DAA	Device-Action-Answer
DAG	Directed acyclic graph
DAI	Digital Audio Interface
DAI	Downlink Assignment Index
DANE	DASH-aware network elements
DAP	Directory Access Protocol
DAPS	Dual Active Protocol Stack
DAR	Device-Action-Request
DAS	distributed antenna system
DB	Dummy burst
DBI	Delay Budget Information
DC	Data channels
DC	Dedicated Control
DC	Dual Cell
DC	Dual connectivity
DC	Dual-Connectivity
DC	dual connectivity
DCA	Dynamic Channel Allocation
DCCA	Diameter Credit-Control Application
DCCE	Downlink Coverage Class Estimate
DCCF	Data Collection Coordination Function
DCCP	Datagram Congestion Control Protocol
DCD	Dynamic Content Delivery
DCE	Data Circuitterminating Equipment
DCN	Data Communication Network
DCN	Dedicated Core Network
DCNI	Default configured NSSAI indication
DCPR	Data Collection Platform Report
DCR	Degradation Category Rating
DCR	Destination Call Routing
DCS	Default Credential Server
DCS	Default Credentials Server
DCSP	Data Centre Service Provider
DDDS	Dynamic Delegation Discovery System
DDE	Download Delivery Enhancements
DDF	Device Description Framework
DDI	Data Description Indicator
DDI	Direct Dialling In
DDI	Direct-Dialling-In
DDL2II	Default destination layer-2ID indicator
DDOS	Distributed Denial of Service
DDR	Dialled Digit Reporting
DEA	Diameter-EAP-Answer
DENM	Decentralised Environmental Notification Messages
DER	Diameter-EAP-Request
DER	Discrete Event Registration
DER	Distinguished Encoding Rules
DER	Distributed Energy Resources
DF	Dedicated File
DF	detection function
DFF	Direct far field
DFS	Dynamic frequency selection
DFSE	Decision Feedback Seq. Est.
DFT	Discrete Fourier Transform
DG	Distributed Generation
DGBE	Diethylene Glycol Butyl Ether
DGI	Direct Group Identifier
DHCP	Dynamic Host Configuration Protocol
DIP	Dominant Interferer Proportion
DISP	Directory Information Shadowing Protocol
DL	Data Layer
DL	Data Link
DL	Down Link
DLC	Data Link Control
DLDTA	Down Link Data Triggered Attach
DM	Data Management
DM	Disconnected Mode
DM	Domain Manager
DMB	Disaster Message Board
DMP	Data Mode Portrait
DMS	Device Management Server
DMS	Distribution Management System
DN	Data Network
DN	Data Networks
DN	Distinguished Name
DNA	Device-Notification-Answer
DNAI	Data Network Access Identifier
DND	Do Not Disturb
DNF	Direct near field
DNF	Disjunctive Normal Form
DNN	Data Network Name
DNN	Domain Network Name
DNR	Device-Notification-Request
DNS	Domain Name System
DOCA	Diameter Overload Control Application
DOCSIS	Data Over Cable Service Interface Specification
DOL	Distribution-only Latency
DOM	Document Object Model
DOT	Department of Transportation
DP	Detection Points
DPA	Data-Pull-Answer
DPA	Differential Power Analysis
DPA	Disconnect-Peer-Answer
DPB	Decoded picture buffer
DPC	Downlink Power Control
DPF	Direct Provisioning Function
DPR	Data-Pull-Request
DPR	Disconnect-Peer-Request
DPS	Dynamic point selection
DR	Data Retention
DR	dynamic range
DRA	DOCA-Report-Answer
DRA	Delivery-Report-Answer
DRA	Diameter Routing Agent
DRA	Dynamic Resource Allocation
DRAP	Distributed Random Access Point
DRB	Data radio bearer
DRE	Dynamic Range Extender
DRF	Data Repository Functionality
DRIP	Drone Remote ID Protocol
DRL	Deep reinforcement learning
DRM	Digital Right Management
DRM	Digital Rights Management
DRR	DOCA-Report-Request
DRR	Delivery-Report-Request
DRS	Disaster Roaming Service
DRVCC	Dual Radio Voice Call Continuity
DS	Delay spread
DS	Differentiated Services
DS	Discovery Service
DS	data streaming
DSA	Delete-SubscriberData-Answer
DSA	Digital Signature Algorithm
DSAC	Domain Specific Access Control
DSCP	Differentiated Services Code Point
DSDA	Dual SIM Dual Active
DSDS	Dual SIM Dual Standby
DSI	Digital Speech Interpolation
DSI	digital speech interpolators
DSO	Distribution System Operator
DSP	Default Stream Protocol
DSP	Directory System Protocol
DSP	Domestic Service Provider
DSR	Delete-SubscriberData-Request
DSR	Distributed Speech Recognition
DSS	Dynamic spectrum sharing
DST	Discrete Sine Transform
DT	Device Triggering
DT	double-talk
DTA	Device-Trigger-Answer
DTAP	Direct Transfer Application Part
DTE	data terminal equipment
DTF	Domain Transfer Function
DTI	Direct Tunnel Indicator
DTLS	Datagram Transport Layer Security
DTM	Dual Transfer Mode
DTMF	Dual Tone Multi Frequency
DTP	Discrete Time Period
DTR	Device-Trigger-Request
DTR	Dynamic Timeslot Reduction
DTS	DARP Test Scenarios
DU	Distributed Unit
DUA	Data-Update-Answer
DUCK	Discovery User Confidentiality Key
DUIK	Discovery User Integrity Key
DUP	Destinating user prompter
DUR	Data-Update-Request
DUSK	Discovery User Scrambling Key
DUT	device under test
DUT	devices under test
DV	Data Volume
DVAAII	Default V2X AS address infos indicator
DVB	Digital Video Broadcasting
DWA	Device-Watchdog-Answer
DWR	Device-Watchdog-Request