| A | ||
| A, Asub | A-interface | A接口 |
| AC | Alternating Current | 交流 |
| AC | Access Class (C0 to C15) | 接入级别（C0到C15） |
| ACCH | Associated Control Channel | 随路控制信道 |
| ACELP | Algebraic code excitation linear prediction | 代数码激励线性预测 |
| ACOM | Antenna Combiner | 天线合路器 |
| AGCH | Access Grant Channel | 接入允许信道 |
| AM/CM | Administration Module/ Communication Module | 管理和通信模块 |
| ANSI | American National Standard Institute | 美国国家标准组织 |
| APC | Automatic Power Control | 自动功率控制 |
| API | Application Program Interface | 应用程序接口 |
| APL | Advanced Phase Locking | 高级时钟锁相 |
| ARFCN | Absolute Radio Frequency Channel Number | 绝对射频信道号 |
| ASIC | Application Specific Integrated Circuit | 专用集成电路 |
| AuC | Authentication Center | 鉴权中心 |
| B | ||
| BA | BCCH Allocation | BCCH分配 |
| BAM | Back Administration Module | 后管理模块 |
| BCC | BTS Color Code | 基站色码 |
| BCCH | Broadcast Control CHannel | 广播控制信道 |
| BCF | Base Control Function | 基本控制功能 |
| BCH | Broadcast channel (transport channel) | 广播信道 |
| BER | Bit Error Rate | 误码率 |
| BHCA | Busy Hour Call Attempt | 忙时尝试呼叫 |
| BIE | Base station Interface Equipment (board) | 基站接口设备（板） |
| BIOS | Basic Input Output System | 基本输入输出系统 |
| BITS | Building Integrated Timing Supply | 大楼综合定时供给系统 |
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