移动通信专业词汇对照表（频率）带宽(frequency) bandwidth3代合作项目（3GPP）3rd Generation partnership project IMT-2000：国际电联命名3 代移动通信系统International Mobile Telecommunications 20007号信令系统Signaling System No. 7（SS7）爱尔兰Erlang按键keypad按键音keypad tone八木天线Yagi antenna白噪声white Gaussian noise被叫通话incoming call本地移动用户身份 ( LMSI)local mobile station identity比特率bit rate彩屏color screen彩信服务 MMSMultimedia Message service菜单模式list view/ grid view操作菜单options操作维护中心 (OMC)operation and maintenance center产品种类product variety承载业务bearer service充电charge抽样sampling传播时延propagation delay 或transmission delay传输速率Baud Rate或Data Rate传输损耗 （无线线路的）transmission loss (of a radio link)串话crosstalk带宽bandwidth带内信令in-band signalling带外信令out-band signalling单向控制unidirectional control当被呼移动用户不回答时的呼叫转移 (CFNRy)call forwarding on no reply当被呼移动用户忙时的呼叫转(CFB)calling forwarding on mobile subscriber busy导频pilot frequency导频信道Pilot Channel到达时间Time of arrival地波ground wave第三代服务GPRS 的节点（3G SGSN）3rd Generation Serving GPRS Support Node第三代移动通信系统third generation mobile systems电信Telecommunications电源power supply调制modulation调制器modulator动态信道分配Dynamic channel allocation短信服务SMSShort Message Service多径传播multipath propagation多径分集multipath diversity多径时延multipath delay多径衰落multipath fading多径效应multipath effect多路复接multiplexing多普勒频移Doppler shift多用户信道multi-user channel多帧multiframe多址呼叫multiaddress call发射emisssion访问位置寄存器 (VLR)visitor location register分集diversity分集接收diversity reception分集增益diversity gain蜂窝裂变/分裂cellular splitting蜂窝通信原理cellular communication principle服务质量quality of service辐射radiation辅助公共控制物理信道SCCPCHSecondary Common Control Physical Channel复帧multiframe干扰interference个人识别号码 (PIN)personal identification number个人通信 personal communications工作频率Radio Frequencies工作频率范围operating frequency range公共控制信道CCCHCommon Control Channel公共陆地移动网PLMNPublic Land Mobile Network公众陆地移动电话网 (PLMN)public land mobile network固定电话业务fixed telephone services关机power off广播控制信道BCCHBroadcast Control Channel广播信道BCHBroadcast Channel归属位置寄存器 HLRhome location register国际电联ITUInternational Telecommunication Union国际漫游international roaming国际移动用户标识码IMSIInternational Mobile Subscriber Identity核心网CNCore Network呼出通话outgoing call呼叫等待 (CW)call waiting呼叫建立时间call set-up time呼叫控制CCCall Control呼叫释放call release呼叫转移call divert或call transfer呼损率percept of call lost互调intermodulation话务量telephone traffic话音激活voice exciting基站 (BS)base station基站控制器BSCBase Station Controller基站识别码 (BSIC)base station identity code基站收发信台BTSBase Transceiver Station基站系统 (BSS)base station system基站子系统BSSBase Station Subsystem激活activation集群移动电话系统trunked mobile communication system计费管理Account Management 计费信息advice of charge技术规范technical specification寄存器register加密encipherment价格水平price level鉴权、授权、计费Authentication, Authorization, Accounting 鉴权中心（AuC）Authentication Centre接口转换interface conversion接入方法access method接入网关Access Gateway 接收灵敏度Receive Sensitivity近来的呼叫recent call开销信息overhead information可懂度intelligibility客户client客户身份识别卡 SIM卡Subscriber Identity Module空分多址 (SDMA)space division multiple address空间分集space diversity控制信道CCHControl Channel快速拨号speed dial快速物理接入信道FPACHFast Physical Access Channel宽带cdma （WCDMA）Wideband Code Division Multiple Access宽带业务broadband services扩容Capacity Expansion链路的价格和质量the cost and quality of the link 邻信号选择性adjacent-channel selectivity临时移动用户识别码 (TMSI)temporary mobile subscriber identity滤波器filter码分多址 CDMAcode division multiple access码分多址CDMACode Division Multiple Access脉冲编码调制（脉码调制） (PCM)pulse code modulation脉动impulse漫游roaming忙时busy hour模拟方式 analogue mode频带frequency band频带划分band allocation频道frequency channel频分多址(FDMA)frequency division multiple access频分双工FDDFrequency Division Duplex频率调制 (FM) frequency modulation频率分割frequency division频率分集frequency diversity频率复用frequency reuse频率选择性frequency selectivity频率选择性衰落（色散衰落）frequency selective fading频率指配frequency assignment频谱分配frequency allocation频移frequency shift平滑升级smooth upgrade前向接入信道FACHForward Access Channel前向控制信道 (FCCH)forward control channel切换算法 handover algorithms清晰度definition, resolution, articulation渠道channel全球定位系统GPSGlobal Positioning System全球移动通信系统 GSMGlobal System for Mobile Communications全向天线omnidirectional antenna群时延group delay人为干扰man-made interference人为噪声man-made noise认证Certifications入口移动无线局gateway MSC (GMSC)入网信道access channel软切换soft handoff瑞利衰落Rayleigh fading扇区sector area扇区天线fan antenna上行链路uplink设备标识寄存器EIREquipment Identity Register时分多址 (TDMA)Division