7.2.26 Remote UE Report Notification

29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 18Stage 3TS

The direction of this message shall be from MME to SGW and from SGW to the PGW (see Table 6.1-1).

This message is used by an MME to notify that at least one remote UE is newly connected to or disconnected from a ProSe UE-to-Network Relay when the MME receives such notification from the ProSe UE-to-Network Relay via the PDN connection established by the ProSe UE-to-Network Relay as specified in 3GPP TS 23.303 [72].

Table 7.2.26-1 specifies the presence of IEs in this message.

Table 7.2.26-1: Information Elements in Remote UE Report Notification

Information elements

P

Condition / Comment

IE Type

Ins.

Remote UE Context Connected

C

This IE shall be sent on the S11 interface and S5/S8 interface when the MME receives a report from the ProSe UE-to-Network Relay that a remote UE is newly connected.

The SGW shall forward this IE to the PGW.

Several IEs with the same type and instance value may be included as necessary to represent a list of remote UEs newly connected.

Remote UE Context

0

Remote UE Context Disconnected

C

This IE shall be sent on the S11 interface and S5/S8 interface when the MME receives a report from the ProSe UE-to-Network Relay that a remote UE is newly disconnected.

The SGW shall forward this IE to the PGW.

Several IEs with the same type and instance value may be included as necessary to represent a list of remote UEs newly disconnected.

Remote UE Context

1

Private Extension

O

Private Extension

VS

Table 7.2.26-2: Remote UE Context Connected within Remote UE Report Notification

Octets 1

Remote UE Context IE Type = 191 (decimal)

Octets 2 and 3

Length = n

Octets 4

Spare and Instance fields

Information elements

P

Condition / Comment

IE Type

Ins.

Remote User ID

M

See clause 8.123 for the description and use of this parameter

Remote User ID

0

Remote UE IP Information

M

See clause 8.124 for the description and use of this parameter

Remote UE IP Information

0

Table 7.2.26-3: Remote UE Context Disconnected with Remote UE Report Notification

Octets 1

Remote UE Context IE Type = 191 (decimal)

Octets 2 and 3

Length = n

Octets 4

Spare and Instance fields

Information elements

P

Condition / Comment

IE Type

Ins.

Remote User ID

M

See clause 8.123 for the description and use of this parameter

Remote User ID

0