This IE contains recommended NG-RAN nodes for paging.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Recommended RAN Node List | | 1 | | |
>Recommended RAN Node Item | | 1..<maxnoofRecommendedRANNodes> | | Includes visited and non-visited NG-RAN nodes, where visited NG-RAN nodes are listed in the order the UE visited them with the most recent NG-RAN node being the first in the list. Non-visited NG-RAN nodes are included after the visited NG-RAN node they are associated with. |
>>CHOICE AMF Paging Target | | | | The AMF paging target is either an NG-RAN node identity or a TAI as specified in TS 38.300. |
>>>RAN Node | | | | |
>>>>Global RAN Node ID | M | |
9.3.1.5 | |
>>>TAI | | | | |
>>>>TAI | M | |
9.3.3.11 | |
Range bound |
Explanation |
maxnoofRedommendedRANNodes | Maximum no. of recommended NG-RAN nodes. Value is 16. |
This IE is applicable for all Non-GBR QoS flows per PDU session which is defined for the downlink and the uplink direction and is provided by the SMF to the NG-RAN node.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
PDU Session Aggregate Maximum Bit Rate | | 1 | | Applicable for Non-GBR QoS flows. |
>PDU Session Aggregate Maximum Bit Rate Downlink | M | | Bit Rate
9.3.1.4 | Indicates the PDU session Aggregate Maximum Bit Rate as specified in TS 23.501 in the downlink direction. |
>PDU Session Aggregate Maximum Bit Rate Uplink | M | | Bit Rate
9.3.1.4 | Indicates the PDU session Aggregate Maximum Bit Rate as specified in TS 23.501 in the uplink direction. |
This IE indicates the maximum aggregate data rate for integrity protected DRBs for a UE as defined in
TS 38.300.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Maximum Integrity Protected Data Rate | M | | ENUMERATED (64kbps, max UE rate, …) | Defines the upper bound of the aggregate data rate of user plane integrity protected data for either UL or DL. |
This IE indicates the required behaviour of the NG-RAN node in an overload situation.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
CHOICE Overload Response | M | | | |
>Overload Action | | | | |
>>Overload Action | M | |
9.3.1.105 | |
This IE indicates which signalling traffic is subject to rejection by the NG-RAN node in an AMF overload situation as defined in
TS 23.501.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Overload Action | M | | ENUMERATED
(Reject RRC connection establishments for non-emergency MO DT, Reject RRC connection establishments for Signalling, Permit Emergency Sessions and mobile terminated services only, Permit High Priority Sessions and mobile terminated services only, …) | |
This IE indicates the percentage of the type of traffic relative to the instantaneous incoming rate at the NG-RAN node, as indicated in the Overload Action IE, to be rejected.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Traffic Load Reduction Indication | M | | INTEGER (1..99) | |
This IE indicates the list of overloaded slices.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Slice Overload Item | | 1..<maxnoofSliceItems> | | |
>S-NSSAI | M | |
9.3.1.24 | |
Range bound |
Explanation |
maxnoofSliceItems | Maximum no. of signalled slice support items. Value is 1024. |
This IE is produced by the source NG-RAN node and is transmitted to the target NG-RAN node. It is used for intra 5GC NG-based handover.
This IE is transparent to the AMF.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
DRBs Subject to Status Transfer List | | 1 | | | - | |
>DRBs Subject to Status Transfer Item | | 1..<maxnoof DRBs> | | | - | |
>>DRB ID | M | |
9.3.1.53 | | - | |
>>CHOICE UL DRB Status | M | | | | - | |
>>>12 bits | | | | | | |
>>>>UL COUNT Value | M | | COUNT Value for PDCP SN Length 12
9.3.1.109 | PDCP-SN and HFN of the first missing UL PDCP SDU in case of 12 bit long PDCP-SN. | - | |
>>>>Receive Status of UL PDCP SDUs | O | | BIT STRING (SIZE(1..2048)) | The IE is used in case of 12 bit long PDCP-SN.
The first bit indicates the status of the SDU after the First Missing UL PDCP SDU.
The Nth bit indicates the status of the UL PDCP SDU in position (N + First Missing SDU Number) modulo (1 + the maximum value of the PDCP-SN).
0: PDCP SDU has not been received.
1: PDCP SDU has been received correctly. | - | |
>>>18 bits | | | | | | |
>>>>UL COUNT Value | M | | COUNT Value for PDCP SN Length 18
9.3.1.110 | PDCP-SN and HFN of the first missing UL PDCP SDU in case of 18 bit long PDCP-SN. | - | |
>>>>Receive Status of UL PDCP SDUs | O | | BIT STRING (SIZE(1..131072)) | The IE is used in case of 18 bit long PDCP-SN.
vThe first bit indicates the status of the SDU after the First Missing UL PDCP SDU.
The Nth bit indicates the status of the UL PDCP SDU in position (N + First Missing SDU Number) modulo (1 + the maximum value of the PDCP-SN).
0: PDCP SDU has not been received.
1: PDCP SDU has been received correctly. | - | |
>>CHOICE DL DRB Status | M | | | | - | |
>>>12 bits | | | | | | |
>>>>DL COUNT Value | M | | COUNT Value for PDCP SN Length 12
9.3.1.109 | PDCP-SN and HFN that the target NG-RAN node should assign for the next DL PDCP SDU not having an SN yet in case of 12 bit long PDCP-SN. | - | |
>>>18 bits | | | | | | |
>>>>DL COUNT Value | M | | COUNT Value for PDCP SN Length 18
9.3.1.110 | PDCP-SN and HFN that the target NG-RAN node should assign for the next DL PDCP SDU not having an SN yet in case of 18 bit long PDCP-SN. | - | |
>>Old Associated QoS Flow List - UL End Marker Expected | O | | Associated QoS Flow List
9.3.1.99 | Indicates that the source NG-RAN node has initiated QoS flow re-mapping and has not yet received SDAP end markers, as described in TS 38.300. | YES | ignore |
Range bound |
Explanation |
maxnoofDRBs | Maximum no. of DRBs allowed towards one UE. Value is 32. |
This IE contains a PDCP sequence number and a hyper frame number in case of 12 bit long PDCP-SN.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
PDCP SN Length 12 | M | | INTEGER (0..4095) | |
HFN for PDCP SN Length 12 | M | | INTEGER (0..1048575) | |
This IE contains a PDCP sequence number and a hyper frame number in case of 18 bit long PDCP-SN.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
PDCP SN Length 18 | M | | INTEGER (0..262143) | |
HFN for PDCP SN Length 18 | M | | INTEGER (0..16383) | |
This IE indicates the reason for RRC Connection Establishment as received from the UE in the EstablishmentCause IE defined in
TS 38.331 or the EstablishmentCause-5GC IE defined in
TS 36.331, or the reason for RRC Connection Resume as received from the UE in the ResumeCause IE defined in
TS 38.331 or the ResumeCause-r15 IE defined in
TS 36.331, or the reason for RRC Connection Establishment as received from the UE in the EstablishmentCause-NB IE defined in
TS 36.331.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
RRC Establishment Cause | M | | ENUMERATED (emergency,
highPriorityAccess,
mt-Access,
mo-Signalling,
mo-Data,
mo-VoiceCall,
mo-VideoCall,
mo-SMS,
mps-PriorityAccess,
mcs-PriorityAccess,
…,
notAvailable, mo-ExceptionData) | The notAvailable value is used in case the UE is re-establishing an RRC connection but there is fallback to RRC connection establishment as described in TS 38.331, or the UE is resuming an RRC connection and the cause value received from the UE does not map to any other value of the RRC Establishment Cause IE. |
This IE contains the affected alert area coordinates of a warning message, and will be broadcast over the radio interface.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Warning Area Coordinates | M | | OCTET STRING (SIZE(1..1024)) | |
This IE provides the network instance to be used by the NG-RAN node when selecting a particular transport network resource as described in
TS 23.501.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Network Instance | M | | INTEGER (1..256, …) | |
This IE provides information on the secondary resources used with MR-DC.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
PDU Session Usage Report | | 0..1 | | |
>RAT Type | M | | ENUMERATED (nR, e-UTRA, …, nR-unlicensed, eUTRA-unlicensed) | |
>PDU Session Timed Report List | M | | Volume Timed Report List
9.3.1.115 | |
QoS Flows Usage Report List | | 0..1 | | |
>QoS Flow Usage Report Item | | 1..<maxnoofQoSFlows> | | |
>>QoS Flow Indicator | M | |
9.3.1.51 | |
>>RAT Type | M | | ENUMERATED (nR, e-UTRA, …, nR-unlicensed, eUTRA-unlicensed) | |
>>QoS Flows Timed Report List | M | | Volume Timed Report List
9.3.1.115 | |
Range bound |
Explanation |
maxnoofQoSFlows | Maximum no. of QoS flows allowed within one PDU session. Value is 64. |
This IE provides information on the data usage.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Volume Timed Report Item | | 1..<maxnoofTimePeriods> | | |
>Start Timestamp | M | | OCTET STRING (SIZE(4)) |
UTC time encoded in the same format as the first four octets of the 64-bit timestamp format as defined in Section 6 of RFC 5905. It indicates the start time of the collecting period of the included Usage Count UL IE and Usage Count DL IE. |
>End Timestamp | M | | OCTET STRING (SIZE(4)) |
UTC time encoded in the same format as the first four octets of the 64-bit timestamp format as defined in Section 6 of RFC 5905. It indicates the end time of the collecting period of the included Usage Count UL IE and Usage Count DL IE. |
>Usage Count UL | M | | INTEGER (0..264-1) | The unit is: octets. |
>Usage Count DL | M | | INTEGER (0..264-1) | The unit is: octets. |
Range bound |
Explanation |
maxnoofTimePeriods | Maximum no. of time reporting periods. Value is 2. |
This IE is used to indicate that the AMF and the UE support the redirection for voice for EPS Fallback.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Redirection for Voice EPS Fallback | M | | ENUMERATED (possible, not-possible, …) | |
This IE allows the NG-RAN node and the AMF to indicate whether prior UE related contexts and related UE-associated logical NG-connections and RRC connections are intended to be retained.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
UE Retention Information | M | | ENUMERATED (ues-retained, ...) | |
This IE indicates that the QoS flow is proposed for forwarding of uplink packets.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
UL Forwarding | M | | ENUMERATED
(UL forwarding proposed, …) | |
This IE provides information for assisting in parameters tuning of the NG-RAN node.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Expected UE Behaviour | O | |
9.3.1.93 | This IE may be present in case the Core Network Assistance Information for RRC INACTIVE IE is not included and is ignored otherwise. |
This IE provides the common network instance to be used by the NG-RAN node when selecting a particular transport network resource as described in
TS 23.501 in a format common with 5GC.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Common Network Instance | M | | OCTET STRING | The octets of OCTET STRING are encoded as the Network Instance field of the Network Instance IE specified in TS 29.244. |