Glossary
| 128-QAM | 128 state Quadrature Amplitude Modulation |
| 16-QAM | 16 state Quadrature Amplitude Modulation |
| 1G | First Generation of mobile communication technologies |
| 2G | Second Generation of mobile communication technologies |
| 3G | Third Generation of mobile communication technologies |
| 3GPP | 3rd Generation Partnership Project |
| 4G | Fourth Generation of mobile communication technologies |
| 64-QAM | 64 state Quadrature Amplitude Modulation |
| AAA | Authentication, Authorization & Accounting |
| ABMF | Account Balance Management Function |
| AC | Admission Control |
| ACIR | Adjacent Channel Interference Rejection |
| ACK | Acknowledgment |
| ACLR | Adjacent Channel Leakage Ratio |
| ACS | Adjacent Channel Selectivity |
| ADC | Analogue/Digital Conversion |
| ADMF | Administration Function |
| ADSL | Asynchronous Digital Subscriber Line |
| AF | Africa |
| AF | Application Function |
| A-GPS | Assisted Global Positioning System |
| aGW | Access Gateway |
| AKA | Authentication and Key Agreement |
| AMBR | Aggregated Maximum Bit Rate |
| AMC | Adaptive Modulation and Coding |
| AMPS | Advanced Mobile Phone System |
| AMR | Adaptive Multi-Rate |
| AP | Aggregation Proxy |
| AP | Asia Pacific |
| APAC | Asia Pacific |
| APN | Access Point Name |
| APN-AMBR | APN aggregate maximum bit rate |
| AR | Aggregation Router |
| ARFCN | absolute radio-frequency channel number |
| ARP | Allocation Retention Priority |
| ARP | Automatic Radio Phone |
| ARPU | Average Revenue Per User |
| ARQ | Automatic Repeat reQuest |
| AS | Application Server |
| AS SMC | AS Security Mode Command |
| ATB | Adaptive Transmission Bandwidth ... |
