【正文】 ode串行級聯(lián)卷積碼SCCHSynchronization Control Channel同步控制信道SCCPSignalling Connection Control Part信令連接控制部分SCCPCHSecondary Common Control Physical Channel第二公共控制物理信道SCDRSGSNCDRSGSN產(chǎn)生的有關(guān)PDP context的計費數(shù)據(jù)記錄SCFService Control Function業(yè)務(wù)控制功能SCHSynchronisation Channel同步信道SCNSwitched Circuit Network電路交換網(wǎng)絡(luò)SCPService Control Point業(yè)務(wù)控制點SCRSustainable Cell Rate可持續(xù)信元速率SCSISmall Computer Systems Interface小型計算機系統(tǒng)接口SCTPSimple Control Transmission Protocol簡單控制傳輸協(xié)議SCTPStream Control Transmission Protocol流控制傳輸協(xié)議SDFService Data Function業(yè)務(wù)數(shù)據(jù)功能SDCCHStandalone Dedicated Control Channel單機專用控制信道SDHSynchronous Digital Hierarchy 同步數(shù)字體系 SDUService Data Unit服務(wù)數(shù)據(jù)單元SEPPSoftware Engineering Production Plan軟件工程產(chǎn)品計劃SFSpreading Factor擴頻因子SFNSystem Frame Number系統(tǒng)幀號SG/SGWSignaling Gateway信令網(wǎng)關(guān)SGSNService GPRS Supporting node 服務(wù)GPRS支持節(jié)點SHCCHShared Channel Control Channel共享信道控制信道SIMGSM Subscriber Identity ModuleGSM用戶標識模塊SIRSignal to Interference Ratio信干比SMSecurity Management安全管理SMSession Management會話管理SMCShort Message Center短消息中心SMPPShort Message Peer to Peer短消息點對點協(xié)議SMUSystem Management Unit系統(tǒng)管理板SNDCPSubNetwork Dependent Convergence Protocol子網(wǎng)相關(guān)會聚協(xié)議SNMPSimple Network Management Protocol簡單網(wǎng)管協(xié)議SNRSignal to Noise Ratio信噪比SPSwitching Point交換點SPUService Processing Unit業(yè)務(wù)處理單元SRFSpecialized Resource Function專用資源功能SRNCServing Radio Network Controller服務(wù)無線網(wǎng)絡(luò)控制器SRNSServing Radio Network Subsystem服務(wù)無線網(wǎng)絡(luò)子系統(tǒng)SRUSwitching and Routing Unit交換和路由單元SS7Signaling System Number 77號信令系統(tǒng)SSCSecondary Synchronisation Code第二同步信道SSDTSite Selection Diversity TPC基站選擇分集TPCSoftSwitchSoftSwitch軟交換機SSAPSession layer Service Access Point會話層服務(wù)訪問接點SSCFService specific coordination function特定業(yè)務(wù)協(xié)調(diào)功能SSCOPService Specific Connection Oriented Protocol特定服務(wù)的面向連接協(xié)議SSCFService specific coordination function特定業(yè)務(wù)協(xié)調(diào)功能SSFService Switching Function業(yè)務(wù)交換功能SSMSynchronization Status Marker同步狀態(tài)標志SSMOCDRSGSN delivered short message Mobile Originated CDRSGSN產(chǎn)生的移動臺發(fā)起的短消息計費數(shù)據(jù)記錄SSMTCDRSGSN delivered Short message Mobile Terminated CDRSGSN產(chǎn)生的移動臺終止的短消息計費數(shù)據(jù)記錄STCSignaling Transport Convert信令傳輸轉(zhuǎn)換STDSelective Transmit Diversity選擇性發(fā)射分集STM1Synchronous Transfer Mode 1同步傳輸模式1SSPService Switching Point業(yè)務(wù)交換點STPSignalling Transfer Point信令轉(zhuǎn)接點STTDSpace Time Transmit Diversity空時發(fā)射分集SVCSwitched Virtual Channel交換虛通道T TATiming Advance定時提前Tbdto be decided待定TCTranscoder碼變換TCAPTransaction Capability Application Part事務(wù)處理能力應(yīng)用部分TCHTraffic Channel業(yè)務(wù)信道TCPTransmission Control Protocol傳輸控制協(xié)議TDDTime Division Duplex時分雙工TDMTime Division Multiplex時分復(fù)用TDMATime Division Multiple Access時分多址接入TEIDTunnel Endpoint Identifier隧道端點標識TFTransport Format傳輸格式TFCTransport Format Combination傳輸格式合并TFCITransport Format Combination Indicator傳輸格式合并指示TFSTransport Format Set傳輸格式集TFTTraffic Flow Template業(yè)務(wù)流模板TGTandem Gateway中繼網(wǎng)關(guān)TIDTunnel Identifier隧道標識TMTopology Management拓撲管理TMETransfer Mode Enitity傳輸模式實體TMSITemporary Mobile Subscriber Identity臨時移動用戶識別碼TOSType of Service服務(wù)類型TPCTransmit Power Control發(fā)送功率控制TrBkTransport Block傳輸塊TrCHTransport Channel傳輸信道TSTime Slot時隙TSAPTransport layer Service Access Point傳輸層服務(wù)訪問接點TSTDTime Switched Transmit Diversity時間交換發(fā)射分集TTITransmission Time Interval傳輸時間間隔TUTributary Unit支路單元TUGTributary Unit Group支路單元組TUPTelephone User Part()電話用戶部分TXTransmit發(fā)送TxAATransmit Adaptive Antennas發(fā)射自適應(yīng)天線U UATUnavailable Time不可用時間UASUnavailable Second不可用秒UACUUMSC PSM Auxiliary Control unitPSM框輔助控制單元UBIUUMSC PSM Back Interface UnitPSM框后插接口板UBRUnspecified Bite Rate非限定比特率UDPUser Datagram Protocol用戶數(shù)據(jù)報協(xié)議UEUser Equipment用戶設(shè)備UERUser Equipment with ODMA relay operation enabled有ODMA中繼操作功能的用戶設(shè)備UEPIUMSC E1 Processing Interface UnitE1接品處理后插板UFEUUMSC Fiber and Ethernet Interface Unit光/以太接口單元UFIUUMSC Fiber Interface Unit光接口單元UGBIUMSC GB Interface UnitGb接口處理板UGTPUMSC GTP Processing UnitGTP協(xié)議處理板UIUser Interface用戶界面、接口UICPUMSC Iu_PS Control Processing UnitIu_PS接口控制面處理板ULUplink (Reverse link)上行鏈路(反向鏈路)ULPCUMSC BNET 2port Line Processing UnitBNET線路處理板（2路622M業(yè)務(wù)引擎）ULPDUMSC BNET 1prot Line Processing UnitBNET線路處理板（1路622M業(yè)務(wù)引擎）ULPUUMSC BNET 4port Line Processing UnitBNET線路處理板（4路622M業(yè)務(wù)引擎）UMUnacknowledged Mode非確認模式UMPUUMSC BNET Main Processing UnitBNET主控板UMTSUniversal Mobile Telemunications System通用移動通信系統(tǒng)UNETUMSC BNET Network Transfer and Switching UnitBNET交換網(wǎng)絡(luò)/時鐘板UNIUser Network Interface用戶網(wǎng)絡(luò)接口UNACKUnacknowledgement非確認UOMUUMSC Packet Service Oa