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Content for  TS 38.413  Word version:  18.2.0

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9.3.3 NAS Related IEs  9.3.3.1 AMF UE NGAP ID  9.3.3.2 RAN UE NGAP ID  9.3.3.3 GUAMI  9.3.3.4 NAS-PDU  9.3.3.5 PLMN Identity  9.3.3.6 SON Configuration Transfer  9.3.3.7 SON Information  9.3.3.8 SON Information Reply  9.3.3.9 Xn TNL Configuration Info  9.3.3.10 TAC  9.3.3.11 TAI  9.3.3.12 AMF Set ID  9.3.3.13 Routing ID  9.3.3.14 NRPPa-PDU  9.3.3.15 RAN Paging Priority  9.3.3.16 EPS TAC  9.3.3.17 EPS TAI  9.3.3.18 UE Paging Identity  9.3.3.19 AMF Pointer  9.3.3.20 5G-S-TMSI 
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9.3.3  NAS Related IEs  p. 325

9.3.3.1  AMF UE NGAP ID  p. 325

This IE uniquely identifies the UE association over the NG interface, as described in TS 38.401.
IE/Group Name Pre­sence Range IE type and reference Semantics description
AMF UE NGAP IDMINTEGER (0..240 -1)
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9.3.3.2  RAN UE NGAP ID  p. 325

This IE uniquely identifies the UE association over the NG interface within the NG-RAN node.
IE/Group Name Pre­sence Range IE type and reference Semantics description
RAN UE NGAP IDMINTEGER (0..232 -1)
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9.3.3.3  GUAMI  p. 325

This IE indicates the AMF identity.
IE/Group Name Pre­sence Range IE type and reference Semantics description
PLMN IdentityM 9.3.3.5
AMF Region IDMBIT STRING (SIZE(8))
AMF Set IDM 9.3.3.12
AMF PointerM 9.3.3.19
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9.3.3.4  NAS-PDU  p. 326

This IE contains a 5GC - UE or UE - 5GC message that is transferred without interpretation in the NG-RAN node.
IE/Group Name Pre­sence Range IE type and reference Semantics description
NAS-PDUMOCTET STRINGThe content is defined in TS 24.501.
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9.3.3.5  PLMN Identity  p. 326

This IE indicates the PLMN Identity.
IE/Group Name Pre­sence Range IE type and reference Semantics description
PLMN IdentityMOCTET STRING (SIZE(3))Digits 0 to 9 encoded 0000 to 1001, 1111 used as filler digit.
Two digits per octet:
  • bits 4 to 1 of octet n encoding digit 2n-1
  • bits 8 to 5 of octet n encoding digit 2n
PLMN Identity consists of 3 digits from MCC followed by either:
  • a filler digit plus 2 digits from MNC (in case of 2 digit MNC) or
  • 3 digits from MNC (in case of 3 digit MNC).
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9.3.3.6  SON Configuration Transfer  p. 326

This IE contains the configuration information, used by e.g., SON functionality, and additionally includes the NG-RAN node identifier of the destination of this configuration information and the NG-RAN node identifier of the source of this information.
IE/Group Name Pre­sence Range IE type and refe­rence Semantics description Criti­cality Assi­gned Criti­cality
Target RAN Node ID SON1-
>Global RAN Node IDM 9.3.1.5-
>Selected TAIMTAI
9.3.3.11		-
>NR CGIO 9.3.1.7This IE is ignored if the SON Information IE contains the SON Information Reply IE.YESignore
Source RAN Node ID1-
>Global RAN Node IDM 9.3.1.5-
>Selected TAIMTAI
9.3.3.11		-
SON InformationM 9.3.3.7-
Xn TNL Configuration InfoC-ifSONInformationRequest 9.3.3.9Source NG-RAN node Xn TNL Configuration Info.-
Condition Explanation
ifSONInformationRequest This IE shall be present if the SON Information IE contains the SON Information Request IE set to "Xn TNL Configuration Info"
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9.3.3.7  SON Information  p. 327

This IE identifies the nature of the configuration information transferred, i.e., a request, a reply or a report.
IE/Group Name Pre­sence Range IE type and refe­rence Semantics description Criti­cality Assi­gned Criti­cality
CHOICE SON InformationM-
>SON Information Request
>>SON Information RequestMENUMERATED (Xn TNL Configuration Info, …)-
>SON Information Reply
>>SON Information ReplyM 9.3.3.8-
>SON Information Report
>>SON Information ReportM 9.3.3.35YESignore
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9.3.3.8  SON Information Reply  p. 327

This IE contains the configuration information to be replied to the NG-RAN node.
IE/Group Name Pre­sence Range IE type and reference Semantics description
Xn TNL Configuration InfoO 9.3.3.9
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9.3.3.9  Xn TNL Configuration Info  p. 327

This IE is used for signalling Xn TNL Configuration information for automatic Xn SCTP association establishment.
IE/Group Name Pre­sence Range IE type and refe­rence Semantics description Criti­cality Assi­gned Criti­cality
Xn Transport Layer Addresses1..<maxnoofXnTLAs>-
>Transport Layer AddressM 9.3.2.4Transport Layer Addresses for Xn SCTP endpoint.-
Xn Extended Transport Layer Addresses0..<maxnoofXnExtTLAs>-
>IP-Sec Transport Layer AddressOTransport Layer Address
9.3.2.4		Transport Layer Addresses for IP-Sec endpoint.-
>Xn GTP Transport Layer Addresses0..<maxnoofXnGTP-TLAs>-
>>GTP Transport Layer AddressMTransport Layer Address
9.3.2.4		GTP Transport Layer Addresses for GTP end-points (used for data forwarding over Xn).-
>Xn SCTP Transport Layer Addresses0..<maxnoofXnTLAs>YESignore
>>Transport Layer Address SCTPMTransport Layer Address
9.3.2.4		Transport Layer Addresses for Xn SCTP endpoint.-
Range bound Explanation
maxnoofXnTLAsMaximum no. of Xn Transport Layer Addresses for an SCTP end-point. Value is 2.
maxnoofXnExtTLAsMaximum no. of Xn Extended Transport Layer Addresses in the message. Value is 16.
maxnoofXnGTP-TLAsMaximum no. of Xn GTP Transport Layer Addresses for a GTP end-point in the message. Value is 16.
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9.3.3.10  TAC  p. 328

This IE is used to uniquely identify a Tracking Area Code.
IE/Group Name Pre­sence Range IE type and reference Semantics description
TACMOCTET STRING (SIZE(3))
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9.3.3.11  TAI  p. 328

This IE is used to uniquely identify a Tracking Area.
IE/Group Name Pre­sence Range IE type and reference Semantics description
PLMN IdentityM 9.3.3.5
TACM 9.3.3.10
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9.3.3.12  AMF Set ID  p. 329

This IE is used to uniquely identify an AMF Set within the AMF Region.
IE/Group Name Pre­sence Range IE type and reference Semantics description
AMF Set IDMBIT STRING (SIZE(10))
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9.3.3.13  Routing ID  p. 329

This IE is used to identify an LMF within the 5GC.
IE/Group Name Pre­sence Range IE type and reference Semantics description
Routing IDMOCTET STRING The maximum length is 16 octets, referring to the length of a Universally Unique Identifier (UUID) version 4 as specified in Section 4.4 of RFC 4122.
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9.3.3.14  NRPPa-PDU  p. 329

This IE contains an NG-RAN node - LMF or LMF - NG-RAN node message that is transferred without interpretation in the AMF.
IE/Group Name Pre­sence Range IE type and reference Semantics description
NRPPa-PDUMOCTET STRING
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9.3.3.15  RAN Paging Priority  p. 329

This IE contains the service priority as defined in TS 23.501.
IE/Group Name Pre­sence Range IE type and reference Semantics description
RAN Paging PriorityMINTEGER (1..256)Values ordered in decreasing order of priority, i.e. with 1 as the highest priority and 256 as the lowest priority
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9.3.3.16  EPS TAC  p. 329

This IE is used to uniquely identify an EPS Tracking Area Code.
IE/Group Name Pre­sence Range IE type and reference Semantics description
EPS TACMOCTET STRING (SIZE(2))
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9.3.3.17  EPS TAI  p. 330

This IE is used to uniquely identify an EPS Tracking Area.
IE/Group Name Pre­sence Range IE type and reference Semantics description
PLMN IdentityM 9.3.3.5
EPS TACM 9.3.3.16
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9.3.3.18  UE Paging Identity  p. 330

This IE represents the Identity with which the UE is paged.
IE/Group Name Pre­sence Range IE type and reference Semantics description
CHOICE UE Paging IdentityM
>5G-S-TMSI
>>5G-S-TMSIM 9.3.3.20
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9.3.3.19  AMF Pointer  p. 330

This IE is used to identify one or more AMF(s) within the AMF Set.
IE/Group Name Pre­sence Range IE type and reference Semantics description
AMF PointerMBIT STRING (SIZE(6))
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9.3.3.20  5G-S-TMSI  p. 330

This IE is used for security reasons, to hide the identity of a subscriber.
IE/Group Name Pre­sence Range IE type and reference Semantics description
AMF Set IDM 9.3.3.12
AMF PointerM 9.3.3.19
5G-TMSIMOCTET STRING (SIZE(4))5G-TMSI is unique within the AMF that allocated it.
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