NFCSWP标准协议解析

近场通信（NFC）---ASummaryKane.Kang2011-10-312大纲NFC技术(Omitted)基本架构标准概述ISO/IEC,ETSITS,ECMA,NFCForum进展概况解决方案SWPetc.附录防碰撞-SDDloop防碰撞–SlottedAloha3NFC原理NFC技术由Philips、Nokia和Sony主推的一种近距离无线通信技术。–距离：4-10cm–频率：13.56MHzor2.4GHz–数据率：106,212,424Kbit/s–通信模式：主动，被动–工作方式：Peer-to-Peer,Reader/Writer,Card–安全性–开放性–etc…4基本架构手机支付用户移动终端入网机构收单接入平台转接&清算NFC金融智能卡非接触终端客户端软件移动通信网络移动通信网络CUPMobile商圈平台数据短信接入前置OTA平台标准体系框架Card:Felica6ISO/IEC&ECMAISO/IEC18092-NFCIP-1,ECMA340Peer-to-peerActive&passive106,212,424kbpsISO/IEC14443-1,2,3,4106kbpsReader-to-cardPassiveTagtypesA&B=MIFARE(Philips)ECMA352-NFCIP2，ISO/IEC21481,ETSITS3127NFCForum89Reader/Writer1011Peer-to-PeerMode12NFCForumsummaryNFC-ANFC-BNFC-F调制方式前向ASK100%ASK10%ASK反向OOKsubcarrierBPSKASK编码方式前向ModifiedMillercodingNRZ-LCodingManchestercoding反向ManchestercodingNRZ-LCodingManchestercoding同步NoneedNeedNeed帧格式三种帧类型字节格式字节格式防碰撞算法A,BgreedycollectionSDDLOOPSlottedAlohaSlottedAloha所属标签类型Type1,2,4AType4BType3unrobustrobust13SWP(ESTITS)SingleWireProtocol，单线全双工数据传输技术SWP控制负责处理物理层和数据链路层逻辑（下层）HCP控制路由层、HCP消息层以及应用层（上层）ISO/IEC7816与SWP的兼容14HCP(ETSITS)HostControllerProtocol15SystemArchitectureETSITS102221supportISO7816compatibleFullpowerVSlowpowerVSnopower16SWP物理层原理结构编码SWP接口Activate&DeactivateS1S217SWP数据链路层SWP数据链路层结构MAC层：数据帧格式LLC层：逻辑链路层•Payload≤30Byte•BitOrder：MSBfirst•SWP激活管理（ACT）•链路管理（SHDLC）•流量控制（SHDLC）•特定应用的支持（CLT）18SWP关键技术SWP接口技术：SWP接口IPSWPPHY：模拟模块，电流调制SWPPROC：实现SWPMAC层Firmware：SWP中间件，实现LLC层协议多接口智能卡多接口检测(多种卡模式，e.g.NFC-A,NFC-B…)复位的设计多接口的并行处理(IC_USB,ISO7816)低功耗技术响应时间time-outSWP接口检测时刻：复位期间或复位完成1ms时间内19功耗管理SWP初始激活且要求UICC进入低功耗模式VCC激活，系统上电SWP接口被停止SWP接口被停止且其它接口被停止SWP接口激活SWP接口激活或其它接口被激活initialpowermodeLowpowermodepowersavingmodefullPowermodeSWP初始激活且要求UICC进入全功耗模式（上层应用控制）切换至全功耗模式20NFC手机应用基于SWP的NFC方案CLFswitchC1C2C3C4C5C6C7C8UICCVCCSWIOGNDRSTCLKI/OD+D-BasebandControllerPowerPowerBattery......TerminalSWPinterfaceISO7816interfaceNFCAntenna…NFCAntennaNFCDevice/PCDRFsignals21CardEmulation模式（BatteryOff）CLFswitchC1C2C3C4C5C6C7C8UICCVCCSWIOGNDRSTCLKI/OD+D-BasebandControllerPowerPowerBattery......TerminalSWPinterfaceISO7816interfaceNFCAntennaNFCInitiatorCLFUICCInitializationAnticollisionActivation2.cardactivated3.APDU(command)RFcommandCLFreceiveRFcommandRFresponse4.APDU(response)…………5.carddeacticatedCLFdetectingRFfieldRFcarrierOFFRFcarrierON1.RFfieldonCLFperformInitialization,AnticollisionandActivationCLFsendRFresponse6.RFfieldoffMaster停止SWP接口Master激活SWIOMaster暂停SWP接口deactivatedMaster/Slave唤醒SWP接口suspendactivated23NFCInitiator/Target模式CLFswitchC1C2C3C4C5C6C7C8UICCVCCSWIOGNDRSTCLKI/OD+D-BasebandControllerPowerPowerBattery......TerminalSWPinterfaceISO7816interfaceNFCAntennaNFCTargetCLFUICCGetParameterOKandDataSetParameterOKNFCTargetCLFUICC1.readerrequestInitializationAnticollisionActivationCLFperformInitialization,AnticollisionandActivation2.targetdiscovered3.APDU(command)RFcommandCLFsendRFcommandandreceiveRFresponseRFresponse4.APDU(response)…………5.endoperationCLFturnoffRFcarrierCLFturnonRFcarrierRFcarrierOFFRFcarrierON25Solutions双界面智能卡技术&SIMpass非接触接口符合ISO14443TypeA和B接触时接口符合ISO7816C4，C8外接口只支持卡片模拟的应用模式eNFC非接触式IC卡应用放在SIM卡中NFC芯片通过单线通信协议与SIM卡通信RF兼容ISO14443，Felica,ISO1569326智能SD卡传统的SD卡中嵌入安全芯片，采用NFC方式或双界面卡方式;利用SD卡的两个引脚外接天线iSIM银联&Motorola独立运营商的贴片卡Sim卡与iSIM卡信息过滤27案例华虹NFC-SIM28PhilipsPN53129SDD-loop30SlottedAloha