GPON中ONU系統(tǒng)研究和GTC層接口設計.pdf

1、浙0工工謄女咨碩士學位論文論文題目：—GPON自ON—U繃扭魚里￡層拄旦逵i作者姓名————直盎世L——一指導教師墅塞學科專業(yè)查焦生焦璺盤纏所在學院焦墨圭壁生瞳提交日期—墊盟圭』』』—目一浙江工業(yè)大學碩士學位論文THERESEARCHoFGPoNoNUANDTHEDESIGNoFGTCLAYERINTERFACEABSTRACTWiththerapiddevelopmentofmodemcommunicationnetwork，high

2、erbandwidthofaccessnetworkisrequirePassiveopticalnetworks(PON)lookverypromisingduetotheirbandwidthcapacityespeciallytheGPON，offeringunprecedentedhi曲bit—ratesupportwhileenablingtransportofmultipleservicesGPONcarriesatwo—f

3、oldpromiseofbothhigherbitratesandhigherefficiencywhencarryingmultipleservicesoverthePONItoffersascalableframingstructurefrom622Mb／sto25Gb／s，aswellassupportforasymmetricbitrates，exceptionallyhighbandwidthutilizationforany

4、typeofserviceandstandardITU—TGenericFramingProtocol(GFP)encapsulationofanytypeofservice(bothTDMandpacket)ontoasynchronoustransportprotoc01ButGPONtechniqueisattheunderwaystageinChinaandnomaturetechnologieshavecomeoutThere

5、foreitisnecessaryandstringenttostudyGPONtechniquesONUisanimportantcomposingofGPON，SOtostudyanddesignithastheimportantrealismmeaningFromtheprinciplesofthePassiveOpticalNetwork(PON)，thethesisanalysesthecurrentPONtechnologi

6、es，pointouttheadvantagesofGPONThendescribesthecomposing，worktheoryandprotocolofGPON，thekeyistheTClayerarchitecture，itconsistsofC／MandOAMplaneItputforwardslayereddesigningideaofGPONONU，whichdividestheONUintothephysicalmed

7、ialayer(PMD)，transmissionconvergencelayer(GTC)andmanagementcontrollayer(OMCI)，andproposedtheoveralldesignschemeandthemainchipSelectiononthisbasisThecoreistheresearchanddesignoftheGTClayerinterfaceforONUport，consistsofthe