第8章EPC與物聯(lián)網(wǎng)技術(shù)之EPC數(shù)據(jù)轉(zhuǎn)換

《EPC數(shù)據(jù)轉(zhuǎn)換》教學(xué)設(shè)計(jì)

物流信息系米志強(qiáng)2011.8.9一、教學(xué)課題引入

二、EPC碼介紹三、EPC資料結(jié)構(gòu)四、EPC碼標(biāo)準(zhǔn)規(guī)格文件主要內(nèi)容五、EPC與EAN條碼的轉(zhuǎn)換EAN/UCC-14指示碼代表意義指示碼當(dāng)EAN-13的號(hào)碼，需以EAN-14來(lái)印制條碼符號(hào)時(shí)，則在前面補(bǔ)“0”，以編成14位數(shù)的EAN-14的號(hào)碼“0”有時(shí)也代表綜合包裝的商品0表示相同產(chǎn)品，但包裝數(shù)量不同之規(guī)格化包裝1～8數(shù)量變動(dòng)之非規(guī)格化包裝，可結(jié)合EAN-128的AI(30)來(lái)表示其實(shí)際數(shù)量9一、教學(xué)課題引入

商品編號(hào)的包裝層級(jí)4710001000010EAN/UCC-1314710001000017EAN/UCC-1424710001000014EAN/UCC-14?單瓶裝 ?箱-內(nèi)裝20瓶?棧版-內(nèi)裝40箱一、教學(xué)課題引入

EPC碼介紹EPC產(chǎn)品電子碼EPC(ElectronicProductCode)AnidentifierUniquenumberAkeytounlocknetworkinformation二、EPC碼介紹ElectronicProductCode(EPC碼)是物件的身分證號(hào)碼一連串結(jié)構(gòu)化編號(hào)用以識(shí)別貨物、位置、服務(wù)、資產(chǎn)等有形無(wú)形的物體

EPC標(biāo)簽除儲(chǔ)存識(shí)別碼之外，級(jí)別較高之標(biāo)簽可儲(chǔ)存使用者所定義的資料

EPC編碼具全球唯一、包容及延展性，除編立新號(hào)碼外，亦可涵蓋既存的編碼方案二、EPC碼介紹EPC--------Flexibility(靈活性）Currentlysupportsthefollowing:GTIN(GlobalTradeItemNumber) GIAI(GlobalIndividualAssetIdentifier)SSCC(SerializedShippingContainerCode) GRAI(GlobalReusableAssetIdentifier)GLN(GlobalLocationNumber) US/DoD-CAGENDC(NationalDrugCode)Futuresupportforothers,suchasVIN(VehicleIdentificationNumber)二、EPC碼介紹TheRole（角色）

ofEPCsALE二、EPC碼介紹ElectronicProductCodeElectronicProductCode………inaTag二、EPC碼介紹RFIDTags物件唯一性編碼：EPC

HeaderFilterandPartitionValueDomainIdentifierEPCorEPCIdentifiere.g.SGTIN,SGLN,SSCCStandardEPCTagEncodingGTINSSCCGLNGRAIGIAIDOD二、EPC碼介紹EPC資料結(jié)構(gòu)EPC資料結(jié)構(gòu)GeneralIdentifier(GID-96位元)2.68億個(gè)公司1千6百萬(wàn)個(gè)物件680億個(gè)單一品項(xiàng)EPCEncoding-HeaderAVariablelength

（可變長(zhǎng)度）2bitsor8bits（2位或8位）00isinvalid(無(wú)效）Header---標(biāo)頭HeaderValue(二進(jìn)位)HeaderValue(十六進(jìn)位)編碼長(zhǎng)度編碼類型001011112F96bitsDoD-96001100003096bitsSGTIN-96001100013196bitsSSCC-96001100103296bitsSGLN-96001100113396bitsGRAI-96001101003496bitsGIAI-96001101013596bitsGID-960011011036198bitsSGTIN-1980011011137170bitsGRAI-1700011100038202bitsGIAI-2020011100139195bitsSGLN-195TheRepresentation（表現(xiàn)）

ofEPCurn:epc:id:sgtin:0037000.112345.400sgtin:Header8bits00110000FilterValue3bits0115Partition3bits1010037000CompanyPrefix20-40bits0000100101011110111111234ItemReference24-4bits11010001100010010111111400SerialNumber38bits000000000000000000000000000000110010000urn:epc:id:sgtin:0037000.112345.400001100000111010000100101011110111111010001100010010111111000000000000000000000000000000110010000??EPC碼標(biāo)準(zhǔn)規(guī)格文件EPCTagDataStandardsVersion1.27Thisversion1.27onlyappliestotagtypesincommonuseatthetimeofitspublicationanditdoes“not”providespecificguidanceforusingUHFClass1Gen2.ReleasedonMay10,2005Owner:TagDataStandardWorkingGroupForClass0&Class1TagsSupporttheGS1BarcodesystemandDODidentitytypesEPCTDSVersion1.3.1ReleasedonMarch8,2006Owner:TagDataStandardWorkingGroupForClass-1Generation-2Tags&UHFRFIDProtocolSupporttheGS1systemandDODidentitytypesIdentityConcept（同一內(nèi)容）純標(biāo)識(shí)層編碼層物理實(shí)現(xiàn)層IdentityConceptEPC與EAN條碼的轉(zhuǎn)換GTINvs.SGTINIndicatorDigitCheckDigitSerialNumberItemReferenceSerialNumberCompanyPrefixIndicatorDigitItemReferenceCompanyPrefixSGTINBit-LevelEncodingGTINplusSerialNumberIdentityStructureSGTIN-9600110000GID-96FilterValue用以快速篩選并預(yù)選基本的物流型態(tài)Partition

為指示公司前置碼與位址號(hào)碼分隔點(diǎn)，分隔值大小對(duì)應(yīng)到公司前置碼和位址關(guān)聯(lián)號(hào)的長(zhǎng)度SGTIN-198HeaderFilter

ValuePartitionCompanyPrefixItemReferenceSerialSGTIN-1988bits3bits3bits20-40bits24-4bits140bits00110110999,999–999,999,999,999(十進(jìn)位容量)9,999,999-9(十進(jìn)位容量)Upto20AlphanumericcharactersSSCCSSCC-96HeaderFilter

ValuePartitionCompanyPrefixSerialReferenceUnallocatedSSCC-968bits3bits3bits20-40bits38-18bits24bits00110001999,999–999,999,999,999(十進(jìn)位容量)99,999,999,999–99,999(十進(jìn)位容量)NotUsedSGLNSGLN-96HeaderFilter

ValuePartitionCompanyPrefixLocationReferenceExtensionComponentSGLN-968bits3bits3bits20-40bits21-1bits41bits00110000999,999–999,999,999,999(十進(jìn)位容量)999,999–0(十進(jìn)位容量)999,999,999,999(十進(jìn)位容量)(該欄位未使用時(shí)必須設(shè)定為0)SGLN-195HeaderFilter

ValuePartitionCompanyPrefixLocationReferenceExtensionComponentSGLN-1958bits3bits3bits20-40bits21-1bits140bits00111001999,999–999,999,999,999999,999–0Upto20AlphanumericCharacters(假如該欄位不使用，其值必須設(shè)為0110000，后面再接133個(gè)2進(jìn)位的0)GRAIGRAI-96HeaderFilter

ValuePartitionCompanyPrefixAssetTypeSerialNumberGRAI-968bits3bits3bits20-40bits24-4bits38bits00110011999,999–999,999,999,999(十進(jìn)位容量)99,999–0(十進(jìn)位容量)274,877,906,943(十進(jìn)位容量)GRAI-170HeaderFilter

ValuePartitionCompanyPrefixAssetTypeSerialNumberGRAI-1708bits3bits3bits20-40bits24-4bits112bits00110111999,999–999,999,999,999(十進(jìn)位容量)99,999–0(十進(jìn)位容量)Upto16alphanumericcharactersGIAIGIAI-96HeaderFilter

ValuePartitionCompanyPrefixIndividulalAssetReferenceGIAI-968bits3bits3bits20-40bits62-42bits00110100999,999–999,999,999,9994,611686,018,427,387,903–4,398,046,511,103GIAI-202HeaderFilter

ValuePartitionCompanyPrefixIndividulalAssetReferenceGIAI-2028bits3bits3bits20-40bits168-162bits00111000999,999–999,999,999,999Upto24alphanumericcharactersDOD-96HeaderFilterValueGovernmentManagedIdentifierSerialNumberDoD-9684483600101111(Binaryvalue)(ConsultproperUSDept.defensedocumentfordetails)EncodedwithsuppliersCAGEcodeintruncatedASCIIformat(ConsultproperUSDept.Defensedocumentfordetails)68,719,476,735(Max.decimalvalue)EPCglobalStandardsOverviewEPCglobalSubscriberEPCglobalSubscriberEPCPhysicalObjectExchangeStandardsEPCInfrastructureStandardsEPCData

ExchangeStandardsEPCglobalCoreServicesandothersharedservicesExchangeofphysicalobjectswithEPCsPeer-to-peerexchangeofdataaboutEPCsSharedServiceInteractionsEPCglobalStandardsOverviewEPCglobalSubscriberEPCglobalSubscriberEPCPhysicalObjectExchangeStandardsEPCInfrastructureStandardsEPCData

ExchangeStandardsEPCglobalCoreServicesandothersharedservicesExchangeofphysicalobjectswithEPCsPeer-to-peerexchangeofdataaboutEPCsSharedServiceInteractionsEPCTagDataStandardRFIDProtocolsClass0Class1UHFClass1Gen2TagDataStandards

ConsistentGlobalIdentification

AnExampleofHowGTINIntegrationCouldWorkWiththeEPCEAN-1301234567890128312345678901200000001234561234567890128CompanyPrefixItemReferenceCheckDigit)IllustrativeExample(EAN-13):1234567890128RemoveCheckDigitHeaderEPCManagerNumberObjectClassNumberSerialNumberGTINEPC:1

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>EPCFormats（EPC數(shù)據(jù)格式）Binary–on-tagrepresentation001100000111010000100101011110111111010001100010010111111000000000000000000000000000000000000010TagURI–insoftwarewhenalltaginfoneedstoberepresented

urn:epc:tag:sgtin-96.3.0614141.100743.2PureIdentityURI–justtheEPC

urn:epc:id:sgtin:0614141.100743.2TagDataStandardsIdentityTypeTagEncodingsRelatedEAN.UCCCodeGIDGID-96SGTINSGTIN-64

SGTIN-96GTIN(withaddedserial#)SSCCSSCC-64

SSCC-96SSCCSGLNSGLN-64

SGLN-96GLN(withadditionalserial#)GRAIGRAI-64

GRAI-96GRAIGIAIGIAI-64

GIAI-96GIAISGTIN-96SchemeHeaderFilterValuePartitionCompanyPrefixItemReferenceSerialSGTIN-968bits3bits3bits20-40bits24-4bits38bits00110000(actualvalue)8(decimalcapacity)8(decimalcapacity)999.999–999.999.999.999(decimalcapacity)9.999.999-9(decimalcapacity)274,877,906,943(decimalcapacity)SGTINFilterValue（濾值）TypeBinaryValueAllothers000RetailConsumerTradeItem001StandardTradeItemGrouping010SingleShipping/ConsumerTradeItem011Reserved100Reserved101Reserved110Reserved111SGTINPartitionPartitionValueCompanyPrefixItemReferenceandIndicatorDigitbitsdigitsbitsdigits04012411371172234101033309144427817552472066206247SSCC-96SchemeHeaderFilterValuePartitionCompanyPrefixSerialReferenceUnallocatedSSCC-968bits3bits3bits20-40bits38-18bits24bits00110001(actualvalue)8(decimalcapacity)8(decimalcapacity)999.999–999.999.999.999(decimalcapacity)99.999.999.999–99.999(decimalcapacity)[Notused]PartitionValueCompanyPrefixSerialReferencebitsdigitsbitsdigits040121851371121623410247330928842783195247341062063811SSCCPartitionSGLN-96SchemeHeaderFilterValuePartitionCompanyPrefixLocationReferenceSerialNumberSGLN-968bits3bits3bits20-40bits21-1bits41bits00110010(actualvalue)8(decimalcapacity)8(decimalcapacity)999.999–999.999.999.999(decimalcapacity)999,999-0(decimalcapacity)2.199.023.255.551(decimalcapacity)GRAI-96SchemeHeaderFilterValuePartitionCompanyPrefixAssetTypeSerialGRAI-968bits3bits3bits20-40bits24-4bits38bits00110011(actualvalue)8(decimalcapacity)8(decimalcapacity)999.999–999.999.999.999(decimalcapacity)9.999.999-9(decimalcapacity)274,877,906,943(decimalcapacity)GIAI-96SchemeHeaderFilterValuePartitionCompanyPrefixIndividualAssetReferenceGIAI-968bits3bits3bits20-40bits62-42bits00110100(actualvalue)8(decimalcapacity)8(decimalcapacity)999.999–999.999.999.999(decimalcapacity)4,6111,686,018,427,387,903–4,398,046,511,103(decimalcapacity)HowGen2worksTagpopulationSelectedpopulationSingletagidentifiedTagisread/writtento/killedStep1.ReaderRFsettings:CountryAggressivenessReaderdensityReaderisnowready2.Readerselectstags3.Readerdoesanticollision4.ReaderaccessestagrepeatFundamentalGen2OperationsOperationFunctionDataFlowInventorySingulatetagsandreceivetheirEPCsReadertonetworkReadReadtagmemoryBidirectionalWriteWritetagmemoryBidirectionalLockPermalock,lock,orunlocktagmemoryBidirectionalKillRenderatagpermanentlyinoperativeBidirectional

TAGData轉(zhuǎn)換標(biāo)準(zhǔn)不同階段CODE的儲(chǔ)存格式EPCISCaptureProgram

ALEMiddlewareReaderQueryClient96bitrawdataPureidentityurn:epc:id:sgtin:000100.0000024.16

User

TIDEPCReserved52C63000

07800190000060000000010307800190000060000000010EPCTagURI:urn:epc:tag:sgtin-96:3.000100.0000024.16①②③④⑤TagDataTranslationProcess指定TagDataTranslationProcess往外的表示供應(yīng)參數(shù)TagDataTranslationProcess遺留編碼遺留編碼ONSEncode/DecodeEx1.HEXRAW轉(zhuǎn)URITAG307800190000060000000010第一步:看Header決定DataType,

30->00110000->表示為SGTIN-96第二步:依SGTIN格式，Partitionvalue決定companyprefix和itemrference長(zhǎng)度

Hex->Binary307800190000060000000010解成Binary(二進(jìn)制）307800190000060011000001111000000000000001100100000000000000000000011000000000100000000000000000000000000000000000010000Header部份內(nèi)容HeadValue(Binary)TagLength(bits)EPCencodingScheme0011000096SGTIN-960011000196SSCC-960011001096GLN-960011001196GRAI-960011010196GID-9600110110…0011111196{10reservedforfuture96-bitscheme}00000000….{reservedforfutureheaderlongerthan8bits}SGTIN-96FilterValue&PartitionValuePartition307800190000060000000010解成Binary307800190000060011000001111000000000000001100100000000000000000000011000000000100000000000000000000000000000000000010000HeaderFilterPartitionCompanyprefix(20bits)Itemreference(24bits)Serialnumber(38bits)取出binary計(jì)算Decimalvalue換成10進(jìn)位Companyprefix

00000000000001100100=22+25+26=4+32+64=100Itemreference

000000000000000000011000=23+24=8+16=24Serialnumber

00000000000000000000000000000000010000=16換成URI

SGTIN-96的URI有兩種格式,在Middlewale和EPCIS不同urn:epc:tag:sgtin-96:3:100:24:16(ALEMiddleware)urn:epc:id:sgtin:100:24:16(EPCIS)省去第一段filtervalue,只用來(lái)查詢用程式驗(yàn)證307800190000060000000010HEXRAW轉(zhuǎn)URITAG350000064000018000000020Hex->Binary350000064000018000000020350000064000010011010100000000000000000000011001000000000000000000000180000000201000000000000000000000000000000000100000GID-96Hex->Binary350000064000018000000020350000064000010011010100000000000000000000011001000000000000000000000180000000201000000000000000000000000000000000100000Header(8bits)Generalmanager(28bits)Objectclass(24bits)Serialnumber(36bits)取出binary計(jì)算Decimalvalue換成10進(jìn)位Generalmanager(28bits)

0000000000000000000001100100=22+25+26=4+32+64=100Objectclass(24bits)000000000000000000011000=23+24=8+16=24Serialnumber(36bits)000000000000000000000000000000100000=25=32HEXRAW轉(zhuǎn)URITAG350000064000018000000020urn:epc:tag:gid-96:100:24:32(middleware)urn:epc:id:gid:100:24:32(EPCIS)用程式驗(yàn)證350000064000018000000020使用FosstrakTDTEngingEPC如何編碼ConsistentGlobalIdentification

AnexampleofhowGTINIntegrationcouldworkwiththeEPCglobalEAN-1301234567890128312345678901200000001234561234567890128CompanyPrefixItemReferenceCheckDigit)IllustrativeExample(EAN-13):1234567890128RemoveCheckDigitHeaderEPCManagerNumberObjectClassNumberSerialNumberGTINEPC:1

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>TestEPCManagerNumberIndicatorDigitObjectClassSerialNumber(自行編碼)EAN-14IndicatorDigitCompanyPrefixItemReferenceCheckDigit00614141007349?EAN-14v.s.EPC0614141000734200000TestEAN-13v.s.EPCEPCManagerNumberObjectClassItemReferenceEAN-13CompanyPrefixItemReferenceCheckDigit47159640116499?4715964011649123456(自行編碼)TestEAN-8v.s.EPCEPCManagerNumberObjectClassItemReferenceEAN-8CountryCodeItemReferenceCheckDigit47112353?由縮短碼回溯原廠商，得其代碼4710716331235123456(自行編碼)將EPC碼寫入標(biāo)簽-----eg.SGTIN-96查詢Header(3)選擇FilterValue(6)決定PartitionValue(5)

管理人號(hào)碼EPCManagerNumber(7701234)ItemReference(156789)

加上SerialNumber(525467)10進(jìn)位呈現(xiàn)：依順將前五項(xiàng)組合一起

換算成標(biāo)簽上的2進(jìn)位呈現(xiàn)設(shè)定標(biāo)簽內(nèi)容后，再藉由Reader將EPC碼寫入標(biāo)簽SGTIN-96:7701234156789525467GTINIntegrationExample117701234567897GTIN300110000Header6101Filter5100Partition7701234011101011000001011110010EPCManager15678900100110010001110101ObjectClass5254670000000000000000010000000010010011011SerialNumberIndicatorDigitCompanyPrefixItemReference7701234156789525467SGTINPureIdentityEncodingGTINIntegrationExample200110000101100011101011000001011110010001001100100011101010000000000000000010000000010010011011PhysicalRepresentation供應(yīng)鏈中的EPC編碼應(yīng)用品項(xiàng)EPC碼商品裝箱后的EPC碼物流單位的EPC碼---托盤物流單位的EPC碼--托盤+商品裝箱運(yùn)送車的EPC編碼Gen2資料規(guī)格補(bǔ)充TDS1.27v.s.TDS1.3.11.容量不同---Gen2標(biāo)簽在屬于使用者記憶容量部分較大：在規(guī)格書中，Gen1標(biāo)簽資料屬于使用者使用的部份，只有64位元和96位元兩種規(guī)格，尤其64位元漸漸淡出使用市場(chǎng)，成為被淘汰的規(guī)格。而在Gen2資料標(biāo)簽有其容量擴(kuò)充的設(shè)計(jì)，容量范圍自96位元到202位元之間的變化。從資料標(biāo)簽結(jié)構(gòu)看來(lái)，Gen2的規(guī)格增加在識(shí)別單一品項(xiàng)的容量擴(kuò)大，以SGTIN和SGLN而言，各有140個(gè)位元支援；GIAI的部份，個(gè)別資產(chǎn)關(guān)聯(lián)號(hào)的容量可達(dá)168位元。目前市場(chǎng)上流通的Gen2標(biāo)簽在容量上有些許的差別，雖說96位元是最低的限制，標(biāo)簽制造商也有提供高達(dá)256位元容量的Gen2標(biāo)簽。

TDS1.27v.s.TDS1.3.1TDS版本編碼系統(tǒng)位元數(shù)64961701951982021.1(0級(jí)和1級(jí)標(biāo)簽)SGTIN▲▲SSCC▲▲SGLN▲▲GRAI▲▲GIAI▲▲DOD▲▲1.3(1級(jí)標(biāo)簽)SGTIN▲▲SSCC▲SGLN▲▲GRAI▲▲GIAI▲▲DOD▲TDS1.27v.s.TDS1.3.12.安全性---Gen2標(biāo)簽安全性超越Gen1標(biāo)簽

Gen2標(biāo)簽因?yàn)閮?nèi)含32-bitkillpassword，比起Gen1僅有8-bitkillpassword的設(shè)計(jì)，Gen2更具安全性。假設(shè)商品不再流通或是遭遇消費(fèi)者隱私權(quán)等問題，該標(biāo)簽必須停止使用，這時(shí)Gen2標(biāo)簽隨時(shí)可發(fā)揮效用。簡(jiǎn)單說來(lái)，Gen2標(biāo)簽內(nèi)容的設(shè)計(jì)提供更嚴(yán)格的密碼設(shè)置和刪除的功能，保障供應(yīng)鏈中不同節(jié)點(diǎn)對(duì)標(biāo)簽的運(yùn)作需求。TDS1.27v.s.TDS1.3Gen2Gen1ReadertoTagDataRateMax128kbps70kbpsTagtoReaderDataRateMax640kbps140kbpsTagDataverification16bitsCRC(Bothreadandwrite)16bits(Onlyread)Security32-bitlockandkillpassword8-bitkillpasswordMemoryUpto512bitsitemIDUpto96bitsItemIDMultiplereaderoperationFrequencyHoppingListen-beforetalkDenseReaderModesSessions–MultiplereaderstalktoonetagFrequencyHoppingListen-beforetalkTDS1.27v.s.TDS1.3.13.Gen2容量擴(kuò)增：Comprisesof4memorybanks---Reserved:containskillandaccesspasswordsEPC:containsdatausedforidentifyingtheobjecttowhichthetagisorwillbeattachedTID:containsdatathatcanbeusedbyreadertoidentifythetag’scapabilityUser:containsuser-specificdata.EPCMemoryBankContentsEPCMemoryBankContentsCRC-1616bitsErrorcheckcodeAuto-calculatedby