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1. (WO2017032884) METHOD AND DEVICE FOR LAWFUL INTERCEPTION FOR PROXIMITY SERVICES

Pub. No.:    WO/2017/032884    International Application No.:    PCT/EP2016/070212
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Sat Aug 27 01:59:59 CEST 2016
IPC: H04L 29/06
H04W 12/02
H04W 76/02
Applicants: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Inventors: GUSTAFSSON, Roland
RYDNELL, Gunnar
SULTANA, Shabnam
Title: METHOD AND DEVICE FOR LAWFUL INTERCEPTION FOR PROXIMITY SERVICES
Abstract:
Method and system comprising a remote UE being connected to a relay UE, the system moreover comprising a HSS of the remote UE, an ADMF, a MME serving the relay UE and a GW. The relay UE is transmitting in a message (12) an identity of the remote UE (IMSI_1) and an IP address of the remote UE to the MME serving the remote UE. The MME transmitting in an update record message (14) for the remote UE (IM-SI_1); the identity of a relay UE and the identity of the MME serving the relay UE, to the HSS of the remote UE.