【正文】 ）相移鍵控l RAB: Radio Access Bearer 無線接入承載l RACH: Random Access Channel 隨機(jī)接入信道l RANAP：Radio Access Network Application Part 無線接入網(wǎng)絡(luò)應(yīng)用部分l RAND: Random Number （used for authentication）隨機(jī)數(shù)（用于鑒權(quán)）l REJ: Reject（ion）拒絕l REL: Release 釋放l REQ: Request 請求l RF：Radio Frequency 射頻l RB: Radio Bearer 無線承載l RLC：Radio Link Control 無線鏈路控制 l RLG: Release Guard signal 釋放監(jiān)護(hù)信號（TUP）l RLP: Radio Link Protocol 無線鏈路協(xié)議l RNSAP：Radio Network Subsystem Application Part 無線網(wǎng)絡(luò)子系統(tǒng)應(yīng)用部分 l RR: Radio Resource 無線資源l RRC：Radio Resource Control 無線資源控制l RRM：Radio Resource Management 無線資源管理l RX：Receive 接收l SAAL：Signaling ATM Adaptation Layer ATM適配層信令l SAP：Service Access Point 業(yè)務(wù)接入點(diǎn)l SAPI：Service Access Point Identifier 業(yè)務(wù)接入點(diǎn)識別符l SAR: Segmentation and Reassembly 分段和重組 l SCCH: Synchronization Control Channel 同步控制信道l SCCPCH: Secondary Common Control Physical Channel 輔助公共控制物理信道l SCH: Synchronization Channel 同步信道l SCI: Subscriber Controlled Input 用戶控制的輸入l SCP: Service Control Point 業(yè)務(wù)控制點(diǎn)l SDH: Synchronous Digital Hierarchy 同步數(shù)字系列l(wèi) SDU: Service Data Unit 業(yè)務(wù)數(shù)據(jù)單元l SHCCH: Shared Control Channel 共享信道控制信道l SF：Spreading Factor 擴(kuò)頻因子l SIM：GSM Subscriber Identity Module GSM 用戶識別模塊l SIR：SignaltoInterference Ratio 信干比l SMS：Short Message Service 短消息業(yè)務(wù)l SP：Switching Point 交換點(diǎn)l SS7：Signaling System 七號信令l SSC: Secondary Synchronization Code 輔助同步碼l SSCS: Service Specific Convergence Sublayer 特定業(yè)務(wù)聚合子層l STTD：Space Time Transmit Diversity 空間時間發(fā)射分集l SVC: Switched Virtual Circuit 交換虛擬電路l TC: Transmission Convergence 傳輸聚合l TCH: Traffic Channel 業(yè)務(wù)信道l TCP: Transmission Control Protocol 傳輸控制協(xié)議l TF: Transport Format 傳送格式l TFC: Transport Format Combination 傳送格式組合l TFCI: Transport Format Combination Indicator 傳送格式組合指示 l TFCS: Transport Format Combination Set 傳送格式組合集l TFI: Transport Format Indicator 傳送格式組合l TFS: Transport Format Set 傳送格式集l TMSI：Temporary Mobile Subscriber Identity 臨時移動用戶識別l TPC：Transmit Power Control 發(fā)射功率控制l TSTD：Time Switched Transmit Diversity 時間交換發(fā)射分集l TTI: Transmission Timing Interval 傳輸時間間隔l TX：Transmit 發(fā)射l UDP：User Datagram Protocol 用戶數(shù)據(jù)報協(xié)議l UP：User Plane 用戶平面l URA: User Registration Area 用戶登記區(qū)l URRM：UE Radio Resource Management Module UE無線資源管理模塊l URRMI：UE Radio Resource Management Instance UE無線資源管理實(shí)例l UTOPIA：Universe Test and Operations PHY Interface of ATM ATM通用測試維護(hù)物理層接口l UUI: UsertoUser Information 用戶－用戶信息l VA: Voice Activity Factor 語音激活因子l VASP：Value Added Service Provider 增值業(yè)務(wù)提供商l VBS: Voice Broadcast Service 語音廣播業(yè)務(wù)l VC: Virtual Circuit 虛擬電路l VCI：Virtual Channel Identifier 虛通道標(biāo)識l VHE：Virtual Home Environment 虛擬歸屬環(huán)境l VOS：Virtual Operation System 虛擬操作系統(tǒng)l VoIP: Voice Over IP IP上傳的話音l VP：Virtual Path 虛路徑l VPI：Virtual Path Identifier 虛通道標(biāo)識l VPN: Virtual Private Network 虛擬個人網(wǎng)l EXRES: Eepected user Response 期望用戶的響應(yīng)l WSF：Workstation Function 工作站功能l GOS：阻塞率