A	AMR
A	AS
A	Acknowledge
A	actuators
A	analogue
AA	Antenna Array
AAB	Automatic Alternative Billing
AAF	Address Allocation Function
AAL	ATM Adaptation Layer
AAM	Advanced Alarm Management
AAS	Active Antenna System
AAS	Active Antenna Systems
AAS	Antenna Array System
AB	Access Barring
AB	Access Burst
AB	Access Bursts
AB	Access burst
ABC	Application Based Charging
ABM	Asynchronous Balanced Mode
ABMF	Account Balance Management Function
ABR	Adaptive Bit Rate
ABS	Adjacent beam spacing
AC	Address Control
AC	Admin. Center
AC	Alarm Correlation
AC	Anechoic Chamber
AC	Application Client
AC	Audio Coding
AC	application clients
ACB	Automatic call back
ACC	Acceptable channel codings
ACC	Account Card Calling
ACI	adjacent channel interference
ACL	APN Control List
ACLR	Adjacent Channel Leakage Radio
ACLR	Adjacent Channel Leakage Ratio
ACM	Accumulated Call Meter
ACN	Ambisonic Channel Number
ACP	Adjacent channel power
ACR	Absolute Category Rating
ACR	Anonymous Call Rejection
ACR	Anonymous Communication Rejection
ACR	Anonymous Communications Rejection
ACRR	Adjacent Channel Rejection Ratio
ACS	Active Codec Set
ACS	Adjacent Channel Selectivity
ACS	Adjacent channel suppression
ACS	adjacent channel selectivity
AD	adaptation device
ADD	Access Domain Data
ADD	Auto Device Detection
ADD	Automatic Device Detection
ADF	Accounting Data Forwarding
ADF	Application Dedicated File
ADM	Application Data Model
ADM	Asynchronous Disconnected Mode
ADM	Audio Definition Model
ADN	Abbreviated Dialling Numbers
ADN	Application Dedicated Node
ADPD	Associated Delivery Procedure Description
ADQ	Application Driven QoS
ADR	Achievable data rate
ADR	All DCI Reception
ADR	Average Data Rate
ADRF	Analytics Data Repository Function
ADS	Access Domain Selection
ADU	Application Data Unit
AECC	Automotive Edge Computing Consortium
AEF	API exposing function
AEP	application edge proxy
AER	Additional exception reports
AES	Advanced Encryption Standard
AF	Application Function
AF	Authenticaiton Framework
AF	Authentication Framework
AF	adaptation function
AFA	Adaptive Frequency Allocation
AFE	Application Front Ends
AFLC	Antenna Feeder Loss Compensator
AFR	Active Frame Ratio
AFR	Authentication Failure Reporting
AGC	Adaptive Gain Control
AGC	Automatic Gain Control
AGL	Above ground level
AGNSS	Assisted Global Navigation Satellite Systems
AH	Authentication Header
AHG	ad-hoc group
AI	API Invoker
AI	Ack Indicator
AI	Air Interface
AI	Artificial Intelligence
AI	Artificial Intelligent
AI	Artificial intelligence
AI	acquisition indicator
AIA	Authentication-Information-Answer
AIB	Authenticated Identity Body
AIM	Application Information Models
AIR	Authentication-Information-Request
AIT	Application Information Table
AK	anonymity key
AL	Alert Limit
AL	aggregation level
ALC	Asynchronous Layered Coding
ALCAP	Access Link Control Application Part
ALG	Application Level Gateway
ALS	Alternate Line Service
ALS	Application Layer Security
AM	Acknowledged Mode
AMBR	Aggregate Maximum Bit Rate
AMF	API management function
AMF	authentication management field
AMI	Advanced metering infrastructure
AMPR	Additional Maximum Power Reduction
AMR	Adaptive Multi-Rate
AMS	Asset Management System
AN	Access Network
ANBR	Access Network Bitrate Recommendation
ANQP	Access Network Query Protocol
ANR	Automatic Neighbour Relation
AOA	Angle of Arrival
AOC	Advice Of Charge
AOI	Area of Interest
AOMT	Application Originated Mobile Terminated
AOP	Acoustic Overload Point
AP	Additional parameters
AP	Application Processor
AP	Application Provider
AP	Authentication Proxy
APCO	Additional Protocol Configuration Options
APD	Average Power Decrease
APF	API publishing function
API	Application Programming Interface
APN	Access Point Name
APR	All PDCCH Reception
APRI	Address Presentation Restricted Indicator
APRI	Address Presentation restriction indicator
APS	Automated Parking System
APT	Average Power Tracking
APTG	AKMA Protocol Transfer Gateway
AR	Address Resolver
AR	Application Relation
AR	Augmented Reality
ARC	Aviation Rulemaking Committee
ARF	Address Resolution Function
ARP	Alternative Roaming Provider
ARPI	Additional RRM Policy Index
ARR	Access Rules Referencing
AS	Access Stratum
AS	Antenna selection
AS	Application Server
AS	Application Servers
AS	Application server
AS	Authorization Server
AS	application servers
ASA	Abort-Session-Answer
ASC	Access Service Class
ASE	Application Service Element
ASI	Activity Status Indicator
ASI	analytics subscription information
ASME	Access Security Management Entity
ASMG	Arab Spectrum Management Group
ASN	Access Service Network
ASP	application server process
ASP	application service providers
ASR	Abort-Session-Request
ASSDD	Application Server Service Data Descriptions
AT	Access Type
ATC	Ancillary Terrestrial Component
ATC	Asynchronous type communication
ATC	Automatic Train Control
ATCF	Access Transfer Control Function
ATD	Absolute Time Difference
ATM	Asynchronous Transfer Mode
ATO	Automatic Train Operation
ATP	Automatic Train Protection
ATS	Abstract Test Suite
ATS	Abstract Test Suites
ATSC	Advanced Television Systems Committee
ATU	Africa Telecommunication Union
ATU-STI	Access Transfer Update -Session Transfer Identifier
AUTV	Additional update type value
AV	Audio-Visual
AV	Automated Vehicle
AVC	Advanced Video Coding
AVC	Assured Voice Communication
AVP	Attribute-Value Pair
AW	Averaging Window
AWGN	Additive White Gaussian Noise
AWI	Averaging window indicator
AWS	Advanced Wireless Services