GSM无线接入网缩略语V1.0教程.doc

 PAGE 13 GSM Radio Access Network Abbreviations GSM 无线接入网缩略语 文档版本V DOCPROPERTY ManualVersion 1.0发布日期2009-3-6   英文缩写(Abbreviations)英文原语 (English)中文含义 (Chinese)2G2nd Generation Mobile Communications System第二代移动通信系统3G，3GMS3rd Generation Mobile Communications System第三代移动通信系统3GPP3rd Generation Partnership Project第三代移动通信标准化伙伴项目 第三代合作组织8PSK8 Phase Shift Keying八进制移相键控调制方式AABBAbis Bypass BoardAbis传输旁路单元板A/DAnalog/Digital模数转换ACAccess Class Access Control Alternating Current接入类 访问控制 交流电ACLAccess Control List访问控制列表ACCHAssociated Control Channel随路控制信道ACSAdditional Reselection Parameters Indication附加重选参数指示ADMAdd Drop Multiplexer利用时隙交换实现宽带管理AECAcoustic Echo Cancellation声学回声抑制AFPAutomatic Frequency Planning自动频率规划AGCHAccess Grant Channel允许接入信道AISAlarm Indication Signal告警指示信号ALCAutomatic Level Control自动功率控制ALMAlarm Board告警板AMRAdaptive Multi-Rate自适应多速率ANRAutomatic Noise Restrain自动噪声抑制APCAutomatic Power Control自动功率控制APDUApplication Protocol Data Unit应用协议数据单元APIApplication Program Interface应用程序接口APLAdvanced Phase Lock高级时钟锁相APMAdvanced Power Module一体化后备电源系统APSAutomatic Protection Switching自动保护倒换ARFCNAbsolute Radio Frequency Channel Number绝对射频号ASUAccess network SDH transmission Unit接入网SDH传输单元ATMAsynchronous Transfer Mode异步转移模式、异步传输模式ATTAttach-Detach allowed附着和分离允许AUCAuthentication Center鉴权中心 AUTHRAuthentication Response鉴权响应BBABCCH Allocation广播控制信道分配 BAMBack Administration Module后管理模块 BBUBaseband Control Unit基带控制单元BCCBase station Color Code基站色码 BCCHBroadcast Control Channel广播控制信道 BCDBinary-Coded Data二进制编码数据 BCFBase Station Control Function基站控制功能BCHBroadcast Channel广播信道，用于携载基站对移动台的控制和寻呼信息的信道。BERBit Error Ratio比特错误率 BESPBTS E1 Surge ProtectorE1 防雷板BFDBidirectional Forwarding DetectionBFD链路检测 BFHBaseband Frequency Hopping基带跳频 BIEBase Station Interface Equipment基站接口设备