C.3 Data description for 5G data connectivity charging

32.2553GPP5G data connectivity domain chargingCharging managementRelease 17Stage 2Telecommunication managementTS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

C.3.1 Data description for support of GERAN/UTRAN access

C.3.1.1 Message contents

The charging message as described in clause 6.1.1 shall apply to the SMF+PGW-C to support GERAN/UTRAN access. The differences of charging message in clause 6.1.1 used for the SMF+PGW-C to support GERAN/UTRAN access are described as following.

– UPF ID is not applicable;

– Multi-homed PDU address is not applicable;

– PDU Session Charging Information is described in C.3.2.

C.3.1.2 Ga message contents

The Ga message transfer as described in clause 5.2.4 shall apply to the SMF+PGW-C to support GERAN/UTRAN access.

C.3.1.3 CDR description on the B_d interface

The CDR description defined in clause 6.1.3 shall apply with the differences that SMF is replaced by SMF+PGW-C supporting GERAN/UTRAN access, and the following fields in table 6.1.3.2.1 are not applicable:

– UPF ID;

– Multi-homed PDU address.

C.3.2 5G data connectivity charging specific parameters

C.3.2.1 Definition of 5G data connectivity charging information

The charging information defined in clause 6.2.1 is used for the SMF+PGW-C to support GERAN/UTRAN access.

The specific PDU session charging information when UE is connected to SMF+P-GW-C via GERAN/UTRAN is provided as defined in table 6.2.1.2.1, with the differences that PDU session is replaced by PDP context in fields description and other differences described under following table C.3.2.1-1:

Table C.3.2.1-1: Structure of PDU Session Charging Information

Information Element	Category	Description
Charging Id	O_M	Described in table 6.2.1.2.
Home Provided Charging Id	–	This field is not applicable.
User Information	O_M	Described in table 6.2.1.2.
User Identifier	O_C	Described in table 6.2.1.2.
User Equipment Info	O_C	Described in table 6.2.1.2.
unauthenticatedFlag	O_C	Described in table 6.2.1.2.
Roamer In Out	O_C	Described in table 6.2.1.2.
User Location Info	O_C	Described in table 6.2.1.2. The "User Location Information" (ULI) IE indicating CGI/SAI/RAI shall apply as described in clause 7.7.51 of TS 29.060 [x].
MA PDU Non 3GPP User Location info	–	This field is not applicable.
User Location Time	O_C	Described in table 6.2.1.2.
MA PDU Non 3GPP User Location Time	–	This field is not applicable.
UE Time Zone	O_C	Described in table 6.2.1.2.
Presence Reporting Area Information	O_C	This field is not applicable..
PDU Session Information	O_C	Described in table 6.2.1.2.
PDU Session ID	M	Described in table 6.2.1.2.
Network Slice Instance Identifier	–	This field is not applicable.
PDU Type	O_M	Described in table 6.2.1.2.
PDU Address	O_C	Described in table 6.2.1.2.
PDU Ipv4 Address	O_C	Described in table 6.2.1.2.
PDU IPv6 Address with Prefix	O_C	Described in table 6.2.1.2.
PDU Address prefix length	O_C	Described in table 6.2.1.2.
IPv4 Dynamic Address Flag	O_C	Described in table 6.2.1.2.
IPv6 Dynamic Address Flag	O_C	Described in table 6.2.1.2.
SSC Mode	–	This field is not applicable.
MA PDU session information	–	This field is not applicable.
MA PDU session indicator	–	This field is not applicable.
ATSSS capability	–	This field is not applicable.
SUPI PLMN ID	O_C–	Described in table 6.2.1.2.
Serving Network Function ID	O_C	Described in table 6.2.1.2.
Serving Network Function Functionality	M	Described in table 6.2.1.2. This field holds “SGSN” when SMF+PGW-C serves GERAN/UTRAN access.
Serving Network Function Name	–	Described in table 6.2.1.2.
Serving Network Function Addresses	O_C	Described in table 6.2.1.2.
Serving Network Function FQDN	O_C	Described in table 6.2.1.2.
Serving Network Function PLMN ID	O_C	Described in table 6.2.1.2.
AMF Identifier	–	This field is not applicable.
Serving CN PLMN ID	O_C	Described in table 6.2.1.2.
RAT Type	O_C	Described in table 6.2.1.2.
MA PDU Non 3GPP RAT Type	–	This field is not applicable.
Data Network Name Identifier	M	Described in table 6.2.1.2, with DNN replaced by APN.
DNN Selection Mode	–	This field is not applicable.
Authorized QoS Information	O_C	Described in table 6.2.1.2 QoS information mapped according interaction with PCC as specified in clause 4.11.0a.2 of TS 23.502 [201]
Subscribed QoS Information	O_C	Described in table 6.2.1.2 QoS information mapped according interaction with PCC as specified in clause 4.11.0a.2 of TS 23.502 [201].
Authorized Session-AMBR	O_C	Described in table 6.2.1.2.
Subscribed Session-AMBR	O_C	Described in table 6.2.1.2.
PDU session start Time	O_C	Described in table 6.2.1.2.
PDU session stop Time	O_C	Described in table 6.2.1.2.
Diagnostics	O_C	Described in table 6.2.1.2.
Enhanced Diagnostics	O_C	Described in table 6.2.1.2.
Charging Characteristics	O_C	Described in table 6.2.1.2.
Charging Characteristics Selection Mode	O_C	Described in table 6.2.1.2.
3GPP PS Data Off Status	O_C	Described in table 6.2.1.2.
Session Stop Indicator	–	This field is not applicable.
Redundant Transmission Type	–	This field is not applicable.
PDU Session pair ID	–	This field is not applicable.
Unit Count Inactivity Timer	–	This field is not applicable.
RAN Secondary RAT Usage Report	–	This field is not applicable.

The specific PDU Container Information when UE is connected to SMF+P-GW-C via GERAN/UTRAN is provided as defined in table 6.2.1.3.1, with the differences described under following table C.3.2.1-2:

Table C.3.2.1-2: Structure of PDU Container Information

Information Element	Category	Description
Time of First Usage	O_C	Described in table 6.2.1.3.1.
Time of Last Usage	O_C	Described in table 6.2.1.3.1.
QoS Information	O_C	Described in table 6.2.1.3.1.
QoS Characteristics	O_C	Described in table 6.2.1.3.1.
AF Charging Identifier	O_C	Described in table 6.2.1.3.1.
AF Charging Id String	O_C	Described in table 6.2.1.3.1.
User Location Information	O_C	Described in table 6.2.1.3.1.
UE Time Zone	O_C	Described in table 6.2.1.3.1.
Presence Reporting Area Information	O_C	Described in table 6.2.1.3.1.
Serving Network Function ID	O_C	Described in table 6.2.1.3.1.
RAT Type	O_C	Described in table 6.2.1.3.1.
Sponsor Identity	O_C	Described in table 6.2.1.3.1.
Application Service Provider Identity	O_C	Described in table 6.2.1.3.1.
Charging Rule Base Name	O_C	Described in table 6.2.1.3.1.
3GPP PS Data Off Status	O_C	Described in table 6.2.1.3.1.
MA PDU Steering functionality	–	This field is not applicable.
MA PDU Steering mode	–	This field is not applicable.

The specific Roaming QBC information is described in table B.2.2.1.2-1 and QFI Container Information is described in table B.2.2.1.3-1 for when UE is connected to SMF+P-GW via GERAN/UTRAN, with the differences that PDU session is replaced by PDP context in fields description.

C.3.2.2 Detailed message format for converged charging

The basic structure of supported fields in Charging Data Request/Response message defined in clause 6.2.2 shall apply for fields applicable when SMF+PGW-C supports GERAN/UTRAN access.

C.3.2.3 Formal 5G data connectivity charging parameter description

TheCHF CDR parameters and resources attributes defined in clause 6.2.3 shall apply for fields applicable when SMF+PGW-C supports GERAN/UTRAN access.

Annex D (informative):
Network slice charging based on 5G data connectivity