3GPPTS21. 201V16.0.0(2020-07) Techni calSpeci f i cat i on 3r dGener at i onPar t ner s hi pPr oj ec t ; Tec hni c alSpec i f i c at i onGr oupSer vi c esandSys t em As pec t s ; Tec hni c alSpec i f i c at i onsandTec hni c alRepor t sf oran Evol vedPac ketSys t em ( EPS)bas ed3GPPs ys t em ( Rel eas e16) Thepr es entdoc umenthasbeendevel opedwi t hi nt he3rd Gener at i onPar t ner s hi pPr oj ec t( 3GPPTM)andmaybef ur t herel abor at edf ort he pur pos esof3GPP. Thepr es entdoc umenthasnotbeens ubj ec tt oanyappr ovalpr oc es sbyt he3GPPOr gani z at i onalPar t ner sands hal lnotbei mpl ement ed. Thi sSpec i f i c at i oni spr ovi dedf orf ut ur edevel opmentwor kwi t hi n3GPPonl y.TheOr gani z at i onalPar t ner sac c eptnol i abi l i t yf oranyus eof t hi sSpec i f i c at i on. Spec i f i c at i onsandr epor t sf ori mpl ement at i onoft he3GPPTM s ys t em s houl dbeobt ai nedvi at he3GPPOr gani z at i onalPar t ner s ' Publ i c at i ons Of f i c es . Rel eas e16 2 3GPPTS21. 201V16. 0. 0( 202007) Keywor ds LTE,Pac ketMode,Ar c hi t ec t ur e 3GPP Pos t aladdr es s 3GPPs uppor tof f i c eaddr es s 650Rout edesLuc i ol es-Sophi aAnt i pol i s Val bonne-FRANCE Tel . :+33492944200Fax :+33493654716 I nt er net ht t p: / / www. 3gpp. or g Copyr i ghtNot i f i cat i on Nopar tmayber epr oduc edex c eptasaut hor i z edbywr i t t enper mi s s i on. Thec opyr i ghtandt hef or egoi ngr es t r i c t i onex t endt or epr oduc t i oni nal lmedi a. © 2020,3GPPOr gani z at i onalPar t ner s( ARI B,ATI S,CCSA,ETSI ,TSDSI ,TTA,TTC) . Al lr i ght sr es er ved. UMTS i saTr adeMar kofETSIr egi s t er edf ort hebenef i tofi t smember s 3GPP i saTr adeMar kofETSIr egi s t er edf ort hebenef i tofi t sMember sandoft he3GPPOr gani z at i onalPar t ner s LTE i saTr adeMar kofETSIr egi s t er edf ort hebenef i tofi t sMember sandoft he3GPPOr gani z at i onalPar t ner s GSM®andt heGSM l ogoar er egi s t er edandownedbyt heGSM As s oc i at i on 3GPP Rel eas e16 3 3GPPTS21. 201V16. 0. 0( 202007) Cont ent s For ewor d 4 1 Sc ope 5 2 Ref er enc es 5 3 Def i ni t i ons ,s ymbol sandabbr evi at i ons 5 4 Gener al 5 5 Spec i f i c at i onsandRepor t s 6 AnnexA( i nf or mat i ve) :Changehi s t or y 7 3. 1 3. 2 3. 3 Def i ni t i ons Symbol s Abbr evi at i ons 5 5 5 3GPP Rel eas e16 4 3GPPTS21. 201V16. 0. 0( 202007) For ewor d Thi sTec hni c alSpec i f i c at i onhasbeenpr oduc edbyt he3rdGener at i onPar t ner s hi pPr oj ec t( 3GPP) . Thec ont ent soft hepr es entdoc umentar es ubj ec tt oc ont i nui ngwor kwi t hi nt heTSGandmayc hange f ol l owi ngf or malTSGappr oval .Shoul dt heTSGmodi f yt hec ont ent soft hepr es entdoc ument ,i twi l lber e r el eas edbyt heTSGwi t hani dent i f yi ngc hangeofr el eas edat eandani nc r eas ei nver s i onnumberas f ol l ows : Ver s i onx . y. z wher e: x t hef i r s tdi gi t : 1 pr es ent edt oTSGf ori nf or mat i on; 2 pr es ent edt oTSGf orappr oval ; 3 orgr eat eri ndi c at esTSGappr oveddoc umentunderc hangec ont r ol . y t hes ec onddi gi ti si nc r ement edf oral lc hangesofs ubs t anc e,i . e.t ec hni c alenhanc ement s , c or r ec t i ons ,updat es ,et c . z t het hi r ddi gi ti si nc r ement edwhenedi t or i alonl yc hangeshavebeeni nc or por at edi nt he doc ument . 3GPP Rel eas e16 1 5 3GPPTS21. 201V16. 0. 0( 202007) Sc ope Thepr es entdoc umenti dent i f i est he3GPPs ys t em s pec i f i c at i onsf orRel eas e16.Thes pec i f i c at i onsand r epor t soft hi sRel eas ehaveamaj orver s i onnumber16( i . e.16. x . y) .Thel i s t edSpec i f i c at i onsar er equi r ed t obui l das ys t em bas edont heEvol vedPac ketSys t em. Thehi ghl evelar c hi t ec t ur eofs uc has ys t em i sdef i nedi n3GPPTS23. 002[ 2]( f i gur e1b) . 2 Ref er enc es Thef ol l owi ngdoc ument sc ont ai npr ovi s i onswhi c h,t hr oughr ef er enc ei nt hi st ex t ,c ons t i t ut epr ovi s i onsof t hepr es entdoc ument . - Ref er enc esar eei t hers pec i f i c( i dent i f i edbydat eofpubl i c at i on,edi t i onnumber ,ver s i onnumber , et c . )ornons pec i f i c . - Foras pec i f i cr ef er enc e,s ubs equentr evi s i onsdonotappl y. - Foranons pec i f i cr ef er enc e,t hel at es tver s i onappl i es .I nt hec as eofar ef er enc et oa3GPP doc ument( i nc l udi ngaGSM doc ument ) ,anons pec i f i cr ef er enc ei mpl i c i t l yr ef er st ot hel at es t ver s i onoft hatdoc umenti nt hes ameRel eas east hepr es entdocument . [ 1] 3GPPTR21. 905:" Voc abul ar yf or3GPPSpec i f i c at i ons " . [ 2] 3GPPTS23. 002:" Net wor kar c hi t ec t ur e" . [ 3] 3GPPTS21. 900:" Tec hni c alSpec i f i c at i onGr oupwor ki ngmet hods " . 3 Def i ni t i ons ,s ymbol sandabbr evi at i ons 3. 1 Def i ni t i ons Fort hepur pos esoft hepr es entdoc ument ,t het er msanddef i ni t i onsgi veni nTR21. 905[ 1]appl y. 3. 2 Symbol s ( Voi d) 3. 3 Abbr evi at i ons Fort hepur pos esoft hepr es entdoc ument ,t heabbr evi at i onsgi veni nTR21. 905[ 1]appl y. 4 Gener al Thenumber i ngs c hemef ors pec i f i c at i onsi sdes c r i bedi n3GPPTR21. 900[ 3] . 3GPP Rel eas e16 5 6 3GPPTS21. 201V16. 0. 0( 202007) Spec i f i c at i onsandRepor t s NOTE1:The" f orpubl i c at i on? "c ol umnoft het abl ebel owi ndi c at eswhet herornott hedoc ument sar e i nt endedf oradopt i onbyt hepar t nerSt andar dsDevel opmentOr gani z at i onsast hei rown publ i c at i ons .Thos emar ked" no"ar ei nt er nalwor ki ngdoc ument soft he3GPPTSGs . NOTE2:Someoft heal gor i t hm s pec i f i c at i onsi nt he35.s er i esar eavai l abl eonl yunderl i c enc e. NOTE3:" Type"i ndi c at esTec hni c alSpec i f i c at i on( TS)orTec hni c alRepor t( TR) . NOTE4:Fordef i ni t i onof" f r eez i ng"ofs pec i f i c at i ons( l as tt woc ol umns ) ,s ee3GPPTR21. 900[ 3] . Thel i s tofTec hni c alSpec i f i c at i onsandTec hni c alRepor t sc anbef oundat : www. 3gpp. or g/ dynar epor t / Spec Li s t . ht m? r el eas e=Rel 16&t ec h=3. 3GPP Rel eas e16 7 3GPPTS21. 201V16. 0. 0( 202007) AnnexA( i nf or mat i ve) : Changehi s t or y Dat e TSG# 200803 TSGDoc . CR 200805 200812 SP42 200901 SP080723 200903 SP43 CP080927 RP081048 SP090034 200903 SP43 SP090224 200903 SP43 200906 SP45 SP090495 200903 CP43 RP43 SP090695 SP100012 SP100012 1 2 3 4 5 SP110298 SP120114 SP130155 SP130155 SP140200 8 11 12 13 15 200912 201003 201003 201103 201106 201203 201303 201303 201406 SP46 SP47 SP47 SP51 SP52 SP55 SP59 SP59 SP64 Dat e Meet i ng TDoc 201603 201312 201703 201706 SA#71 SA#74 SA#75 SA#76 201806 SA#80 202007 SA#88e Changehi s t or y Rev Subj ec t / Comment Fi r s tdr af tbas edonSA1r eques tt oSP38,r ef i nedatSP39. Specl i s tbas edonSpec i f i c at i onManager ' swhi m. Rappor t er ’ sr evi s i on Rappor t er ’ sr evi s i onpr i ort oupgr adi ngofs pec st oRel 8 f ol l owi ngRel eas ef r eez e. Fur t herr appor t eurr evi s i oni nt hel i ghtoff eedbac k Submi s s i onf orr evi ew CR SP160126 0017 SP150974 0018 SP170460 0019 Cl eanupof§3.ToSAf ori nf or mat i on. Maj orr evi s i onf ol l owi ngc l ar i f i c at i onofs c ope,r es t r i c t i ngt heTS t oal i s tofnor mat i veel ement ss pec i f i ct oEPS. Appr oved 2Updat el i s tofSpec s 2Cl ar i f i c at i onofs c ope 1Cor r ec t i ont ol i s tofs pec i f i c at i ons -Updat el i s tofs pec s -Updat el i s tofs pec s Aut omat i cupgr adeonRel eas ef r eez e -Cor r ec t i ont ol i s tofs pec i f i c at i ons 1Changest ol i s tofSpec s :LTEs ys t ems Updat et ol i s tofs pec s Updat et ol i s tofs pec s Updat et ol i s tofs pec s Changehi s t or y Rev Cat Subj ec t / Comment Ol d New 0. 0. 0 0. 0. 0 0. 1. 0 0. 1. 0 0. 2. 0 0. 2. 0 0. 3. 0 0. 3. 0 1. 0. 0 1. 0. 0 1. 0. 1 1. 0. 1 2. 0. 0 2. 0. 0 8. 0. 0 8. 0. 0 8. 1. 0 8. 1. 0 8. 2. 0 8. 2. 0 8. 3. 0 8. 3. 0 9. 0. 0 9. 0. 0 10. 0. 0 10. 0. 0 10. 1. 0 10. 1. 0 10. 2. 0 10. 2. 0 10. 3. 0 10. 3. 0 11. 0. 0 11. 0. 0 11. 1. 0 New ver s i on F Updat et ol i s tofSpec s 12. 0. 0 1 F Updat et ol i s tofSpec s 13. 0. 0 Pr omot i ont oRel eas e14wi t houtt ec hni c alc hange 14. 0. 0 F Repl ac el i s tofs pec swi t hpoi nt ert owebpages howi ngupt odat e 14. 1. 0 l i s t Upgr adeunc hangedonf r eez eofRel 15 15. 0. 0 Upgr adeonf r eez eofRel 16 16. 0. 0 3GPP