【正文】 ePaid Service 預(yù)付費(fèi)業(yè)務(wù)　　PQ Priority Queueing 優(yōu)先隊(duì)列　　PRACH Physical Random Access Channel 物理隨機(jī)接入信道　　PRI Primary Rate Interface 基群速率接口　　PS PacketSwitched domain 分組交換域　　PSAP Presentation layer Service Access Point 表示層服務(wù)訪問接點(diǎn)　　PSC Primary Synchronisation Code 主同步碼　　PSCH Physical Shared Channel 物理共享信道　　PSCH Physical Synchronisation Channel 物理同步信道　　PSM UMSC Packet Service Module service subrack UMSC PSM業(yè)務(wù)插框　　PSPDN Packet Switched Public Data Network 分組交換公用數(shù)據(jù)網(wǎng)　　PSS Packet Service Subsystem 分組業(yè)務(wù)子系統(tǒng)　　PSTN Public Switched Telephone Network 公用電話交換網(wǎng)　　PTMSI Packet Temporary Mobile Subscriber Identity 分組臨時(shí)移動(dòng)用戶身份　　PU Payload Unit 有效載荷單元　　PUSCH Physical Uplink Shared Channel 物理上行共享信道　　PVC Permanent Virtual Channel 永久虛通道　　PVC Permanent Virtual Connection 永久虛連接　　PVP Permanent Virtual Path 永久虛通路　　Q 　　QOS Quality Of Service 服務(wù)質(zhì)量　　QPSK Quaternary Phase Shift Keying 四相移頻鍵控　 R 　　RAB Radio Access Bearer 無線接入承載　　RADIUS Remote Authentication Dial In User Service 遠(yuǎn)程撥號(hào)用戶鑒權(quán)服務(wù)　　RAI Routing Area Identity 路由選擇區(qū)域身份　　RAID Redundant Arrays of Inexpensive Disks 廉價(jià)冗余磁盤陣列　　RAM randomaccess memory 隨機(jī)訪問內(nèi)存　　RAN Radio Access Network 無線接入網(wǎng)　　RANAP Radio Access Network Application Part 無線接入網(wǎng)絡(luò)應(yīng)用部分　　RAS Remote Access Server 遠(yuǎn)程接入服務(wù)器　　RB Radio Bearer 無線承載　　RF Radio Frame 無線幀　　RFC Request for Comments 請(qǐng)求注解, Internet標(biāo)準(zhǔn)(草案)　　RFE Routing Functional Entity 路由選擇功能實(shí)體　　RL Radio Link 無線鏈路　　RLC Radio Link Control 無線鏈路控制　　RIP Routing Information Protocol 路由信息協(xié)議　　RNC Radio Network Controller 無線網(wǎng)絡(luò)控制器　　RNS Radio Network Subsystem 無線網(wǎng)絡(luò)子系統(tǒng)　　RNTI Radio Network Temporary Identity 無線網(wǎng)絡(luò)臨時(shí)身份　　RNSAP Radio Network Subsystem Application Part 無線網(wǎng)絡(luò)子系統(tǒng)應(yīng)用部分　　RRC Radio Resource Control 無線資源控制　　RRM Radio Resource Management 無線資源管理　　RSCP Received Signal Code Power 接收信號(hào)碼功率　　RSSI Received Signal Strength Indicator 接收信號(hào)強(qiáng)度指示　　RT Real Time 實(shí)時(shí)　　RTP Realtime Transport Protocol 實(shí)時(shí)傳輸協(xié)議　　RTCP Realtime Transport Control Protocol 實(shí)時(shí)傳輸控制協(xié)議　　RX Receive 接收器　　RU Resource Unit 資源單元　 S 　　SAAL Signalling ATM Adaptation Layer 信令A(yù)TM適配層　　SACCH Slow Associated Control Channel 慢速聯(lián)合控制信道　　SAP Service Access Point 服務(wù)接入點(diǎn)　　SAR Segmentation And Reassembly 分段與組裝　　SCCC Serial Concatenated Convolutional Code 串行級(jí)聯(lián)卷積碼　　SCCH Synchronization Control Channel 同步控制信道　　SCCP Signalling Connection Control Part 信令連接控制部分　　SCCPCH Secondary Common Control Physical Channel 第二公共控制物理信道　　SCDR SGSNCDR SGSN產(chǎn)生的有關(guān)PDP context的計(jì)費(fèi)數(shù)據(jù)記錄　　SCF Service Control Function 業(yè)務(wù)控制功能　　SCH Synchronisation Channel 同步信道　　SCN Switched Circuit Network 電路交換網(wǎng)絡(luò)　　SCP Service Control Point 業(yè)務(wù)控制點(diǎn)　　SCR Sustainable Cell Rate 可持續(xù)信元速率　　SCSI Small Computer Systems Interface 小型計(jì)算機(jī)系統(tǒng)接口　　SCTP Simple Control Transmission Protocol 簡單控制傳輸協(xié)議　　SCTP Stream Control Transmission Protocol 流控制傳輸協(xié)議　　SDF Service Data Function 業(yè)務(wù)數(shù)據(jù)功能　　SDCCH Standalone Dedicated Control Channel 單機(jī)專用控制信道　　SDH Synchronous Digital Hierarchy 同步數(shù)字體系 　　SDU Service Data Unit 服務(wù)數(shù)據(jù)單元　　SEPP Software Engineering Production Plan 軟件工程產(chǎn)品計(jì)劃　　SF Spreading Factor 擴(kuò)頻因子　　SFN System Frame Number 系統(tǒng)幀號(hào)　　SG/SGW Signaling Gateway 信令網(wǎng)關(guān)　　SGSN Service GPRS Supporting node 服務(wù)GPRS支持節(jié)點(diǎn)　　SHCCH Shared Channel Control Channel 共享信道控制信道　　SIM GSM Subscriber Identity Module GSM用戶標(biāo)識(shí)模塊　　SIR Signal to Interference Ratio 信干比　　SM Security Management 安全管理　　SM Session Management 會(huì)話管理　　SMC Short Message Center 短消息中心　　SMPP Short Message Peer to Peer 短消息點(diǎn)對(duì)點(diǎn)協(xié)議　　SMU System Management Unit 系統(tǒng)管理板　　SNDCP SubNetwork Dependent Convergence Protocol 子網(wǎng)相關(guān)會(huì)聚協(xié)議　　SNMP Simple Network Management Protocol 簡單網(wǎng)管協(xié)議　　SNR Signal to Noise Ratio 信噪比　　SP Switching Point 交換點(diǎn)　　SPU Service Processing Unit 業(yè)務(wù)處理單元　　SRF Specialized Resource Function 專用資源功能　　SRNC Serving Radio Network Controller 服務(wù)無線網(wǎng)絡(luò)控制器　　SRNS Serving Radio Network Subsystem 服務(wù)無線網(wǎng)絡(luò)子系統(tǒng)　　SRU Switching and Routing Unit 交換和路由單元　　SS7 Signaling System Number 7 7號(hào)信令系統(tǒng)　　SSC Secondary Synchronisation Code 第二同步信道　　SSDT Site Selection Diversity TPC 基站選擇分集TPC　　SoftSwitch SoftSwitch 軟交換機(jī)　　SSAP Session layer Service Access Point 會(huì)話層服務(wù)訪問接點(diǎn)　　SSCF Service specific coordination function 特定業(yè)務(wù)協(xié)調(diào)功能　　SSCOP Service Specific Connection Oriented Protocol 特定服務(wù)的面向連接協(xié)議　　SSCF Service specific coordination function 特定業(yè)務(wù)協(xié)調(diào)功能　　SSF Service Switching Function 業(yè)務(wù)交換功能　　SSM Synchronization Status Marker 同步狀態(tài)標(biāo)志　　SSMOCDR SGSN delivered short message Mobile Originated CDR SGSN產(chǎn)生的移動(dòng)臺(tái)發(fā)起的短消息計(jì)費(fèi)數(shù)據(jù)記錄　　SSMTCDR SGSN delivered Short message Mobile Terminated CDR SGSN產(chǎn)生的移動(dòng)臺(tái)終止的短消息計(jì)費(fèi)數(shù)據(jù)記錄　　STC Signaling Transport Convert 信令傳輸轉(zhuǎn)換　　STD Selective Transmit Diversity 選擇性發(fā)射分集　　STM1 Synchronous Transfer Mode 1 同步傳輸模式1　　SSP Service Switching Point 業(yè)務(wù)交換點(diǎn)　　STP Signalling Transfer Point 信令轉(zhuǎn)接點(diǎn)　　STTD Space Time Transmit Diversity 空時(shí)發(fā)射分集　　SVC Switched Virtual Channel 交換虛通道　　 T 　　TA Timing Advance 定時(shí)提前　　Tbd to be decided 待定　　TC Transcoder 碼變換　　TCAP Transaction Capability Application