In addition to the glossary below of abbreviations and acronyms used in this book, a comprehensive set of definitions and other useful resources may be found online at and at

2G 2nd Generation cellular mobile systems, refers to the digital systems such as GSM, DAMPS and IS-95
3G 3rd Generation cellular mobile systems, refers to the evolving UMTS, cdma2000, and TD-SCDMA standards within the ITU-R family of 3G standards
3GPP 3rd Generation Partnership Project – see
4G Fourth Generation Wireless, often referred to as Beyond 3G, or B3G
A/D Analog-to-Digital converter
ACELP Algebraic Code Excited Linear Prediction
ACLR Adjacent Channel Leakage power Ratio
ACM Adaptive Computing Machine
ACS Add-Compare-Select
ACSU Add-Compare-Select Unit
ADC Analogue-to-Digital Converter
AES Advanced Encryption Standard
AFC Automatic Frequency Control
AGC Automatic Gain Control
AGU Address Generation Unit
AHB Advanced High-performance Bus (AHB), a standardized bus system for SoC, developed by ARM Ltd
AIS Air Interface Standard
AKA Authentication and Key Agreement
ALU Arithmetic Logic Unit
ALU-PAE XPP Element containing an ALU object
AM Amplitude Modulation
AML Application Module Library
AMPP Altera Megafunction Partners Program
AMPS American Mobile Phone Standard, a first-generation analog mobile phone standard
AMR Adaptive Multi Rate speech coder
AMR-NB ...

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