Reclaim RFoG spectra in L band with DOCSIS ... - Working Groupgrouper.ieee.org/groups/802/3/NGEPONSG/public/2015... · IEEE 802.3 NG EPON Study Group 12 13 [email protected] IEEE

ReclaimRFoGSpectrafor100GEPONwithPONDOCSISBackhaul

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Eugene(Yuxin)DAIPhDCoxCommunica,ons,[email protected]

IEEE802.3PlenaryMeeLng,NextGeneraLonEPONStudyGroupNov.8-12,2015Dallas,TaxesUSAIEEE802.3NGEPONStudyGroup

Outline

•  ReclaimLbandwavelength•  RFoGinanutshell•  ReplaceRFoGwithPONDOCSISBackhaul•  Standardiza,onofPONDOCSISBackhaul

IEEE802.3NGEPONStudyGroup 2

WhyweneedtoreclaimRFoGspectra

•  The20nmlowerLbandop,calresourcesareaQrac,veforPONapplica,ons

•  ITU-TNG-PON2downstreamuseslowerLbandwhichconflictswithRFoG.AsaresultNG-PON2cannotcoexistwithRFoG

•  ThelowerLbandop,calresourcesarealsopreferredfor100Gb/sEPONdownstream

•  Ifanalterna,vemethodcanbefoundtobackhaulRFoGsignal,reclaimingtheRFoGspectraisbeneficialtooperatorswhodeployNG-PON2and/or100GEPON

IEEE802.3NGEPONStudyGroup 3

CurrentopLcalspectrumallocaLons

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•  The20nmspectrainLbandisusedbyRFoGUSandNG-PON2DS•  TheLbandspectraaresuitablefor100GEPONdownstream•  NG-PON2cannotcoexistwithRFoGbecauseofresourceconflicts

ReclaimingRFoGUSspectrawithanalternaLvemethodtobackhaulRfoGsignalwillprovidetheresourcesneededfor100GEPONandsolvetheresourceconflictwithNG-PON2.

1596nm-1603nm

1260 1280nm 1360nm

10G EPON US 1270+/-10nm

EPON and GPON US 1310+/-50nm

1480nm - 1500nm

EPON/GPON DS 1490+/-10nm

1575nm - 1581nm

10G EPON DS 1577-2/+3 nm XGPON 1578 -2/+3 nm

1590nm - 1610nm

RFoG US 1590/1610nm

1550nm - 1560nm

RF video

NG-PON2US

1524nm-1544nm

NG-PON2DS

RFoGinanutshell

IEEE802.3NGEPONStudyGroup 5

FiberODN

EQAM

BroadcastVideo,SwitchedDV

VOD

RFoG

DOCSISQAM

CMTS

P2MFiber

Internet,IPTV

RFoGOLT(CMTS)

RONU

RONU

DS1550nmHEADEND

US1610nmRF DataCM

STBVideo

HomeNetwork

RF DataCMSTB

Video

HomeNetwork

• RFoGwasdevelopedatSCTEunderIPS910andlaterbecameANSI/SCTE174• RFoGdefinestransmissionofDOCSISupstreamviaopLcalfiber• RFoGdeliversDOCSISservicesoverfiberODN;couldcoexistwithPON

• NochangesinvideoHeadendandCMTS• BandwidthislimitedbyDOCSISprotocol

• RFoGisconsideredasatransiLonalsoluLoneventuallyleadstoPONFTTH

RFoGandPON

•  RFoGcouldcoexistwithPONforalongLmeperiod–  Dependsonthetransi,on,meofMSOHeadendtoallIP–  Itcouldbeaverylong,meperiod

•  TheLbandRFoGspectraaresuitablefor100GEPONdownstream

•  ITU-TNG-PON2downstreamwavelengthsoverlapswithRFoGUS

•  ReleasingLbandRFoGwavelengthwillbebeneficialforbothNG-PON2and100GEPONcustomers

•  However,ifreclaimingRFoGwavelengthfor100GEPON,analternaLvemethodisneededtobackhaulRFoGsignal

IEEE802.3NGEPONStudyGroup 6

PONDOCSISBackhaulArchitecture

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•  PONDOCSISBackhaul(PDB)architectureappliestobothEPONfamilyandGPONfamily

•  PDBprovidesthesamefuncLonasRFoG•  PDBreleasesthe1610nmwavelengthfor100GEPONdownstream

CMTSDS 1550 nm

PONOLT ODN

ONU

DSO/EPDB

CM

STB

PONONUwithDB(DOCSISBackhaul)

HEADEND

BenefitsofPONDOCSISBackhaul

IEEE802.3NGEPONStudyGroup 8

•  PDBreleasesthe1610nmwavelengthfor100GEPON

•  PDBiscompaLblewithNG-PON2•  RFoGdoesnotworkwithNG-PON2

•  PDBalignsbecerwithPONmigraLonthanRFoG•  Itprovidesasmoothmigra,onfromDOCSIStoPON

•  PDBhasthepotenLaltohavemuchlowercostthantheRFoG+PONONUsoluLon

FeasibilityofPONDOCSISBackhaul

IEEE802.3NGEPONStudyGroup 9

•  The25G&100GEPON,NG-PON2,XGS-PONhaveenoughupstreambandwidthtobackhaulDOCSIStraffic

•  ThePDBmethodcouldbeimplementedtobackhaulDOCSISwithRFcarriers(40MHz-80MHzbandwidth)•  SimilartoCPRImobilefront-haul

•  ThePDBmethodcouldbeimplementedtobackhaulDOCSISwithoutRFcarriers•  Similartomobilebackhaul

•  ThedetaileddiscussionofPDBisoutofscopeofNGEPONSG.

PONDOCSISBackhaulStandardizaLon

IEEE802.3NGEPONStudyGroup 10

•  PDBmethodcouldbestandardizedatvariousorganizaLons•  IEEE1904•  SCTEIPS•  Cablelabs

•  PDBcouldbestandardizedwithdifferentflavors•  PDBwith10GEPON,25GEPONand100GEPON•  PDBwithXGS-PONandNG-PON2

100GEPONwavelengthallocaLon(example)

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•  100GEPONUS:1280nmto1360nmwith20nmspacing•  100GEPONDS:1590nmto1610nmwith5nmspacing

1260 1280nm 1360nm

10G EPON US 1270+/-10nm

1480nm - 1500nm

EPON/GPON DS 1490+/-10nm

1575nm - 1581nm

10G EPON DS 1577-2/+3 nm XGPON 1578 -2/+3 nm

1590nm - 1610nm

1550nm - 1560nm

RF video

NG-PON2US

1524nm-1544nm

100GEPONUS

100GEPONDS

Conclusions

•  PONDOCSISBackhaul(PDB)architectureprovidesthesamefunc,onasRFoGanditappliestobothEPONfamilyandGPONfamily

•  PDBreleasesthelowerLbandresourcesfor100GEPON

• PDBiscompa,blewithNG-PON2andXGS-PON• PDBalignsbeQerwithPONmigra,onthanRFoG• PDBhasthepoten,altohavemuchlowercostthantheRFoG+PONONUsolu,on

•  PDBmethodcouldbestandardized IEEE802.3NGEPONStudyGroup 12

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[email protected]

IEEE802.3NGEPONStudyGroup