Abbreviations

1G

First Generation of Mobile Communications

1PPS

One Pulse per Second

1xEV-DO

Evolution-Data Optimized (CDMA)

1xRTT

One times Radio Transmission Technology (CDMA)

2G

Second Generation of Mobile Communications

3G

Third Generation of Mobile Communications

3GGP2

American 3rd Generation Partnership Project

3GPP

3rd Generation Partnership Project

4G

Fourth Generation of Mobile Communications

A/D

Analog to Digital

A2DP

Advanced Audio Distribution Profile

AAA

Authentication, Authorization and Accounting

AAS

Active Antenna System

ABMF

Account Balance Management Function

ABS

Advanced Base Stations

AC

Admission Control

AC

Authentication Center (CDMA)

ACeS

Asia Cellular Satellite

ACK

Acknowledge

ACTS

Advanced Communications Technology Satellite

AD

Area Director

ADM

Add/Drop Multiplexer

ADMF

Administration Function

ADSL

Asymmetric Digital Subscriber Line

AEHF

Advanced Extremely High Frequency

AES

Advanced Encryption Standard

AF

Application Function

AGA

Air-Ground-Air

AGC

Automatic Gain Control

AGCH

Access Grant Channel (GSM)

AI

air interface (TETRA)

AICH

Acquisition Indicator Channel (UMTS)

AIE

Air Interface Encryption

AIN

Advanced IN

AKA

Authentication and Key Agreement

ALA

Automatic Link Adaptation

ALC

Asynchronous Layered Coding

AM

Amplitude Modulation

AMC

Adaptive Modulation and Coding

AMI

Alternate Mark Inversion

AMPS

Advanced Mobile Phone Systems

AMR

Adaptive Multirate codec

AMS

Advanced Mobile Stations

AM-VSB

AM Vestigial ...

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