MOBILE COMMUNICATION SYSTEM

WIPO Patent Application WO/2018/061986

A1

A mobile communication system 8 comprises: a radio access network (RAN) 3; and a core network including a session management function (SM) 2 for managing a session of a mobile communication terminal (UE) 4 and a mobility management function (MM) 1 for managing mobility of the UE 4, wherein the SM 2 is provided with a communication path establishment unit 22 which establishes a communication path through which communication is possible between the SM 2 and a node of the RAN 3 without using the MM1. The communication path establishment unit 22 may establish a communication path when a session construction request upon attachment of the UE 4 is received from the MM1. Furthermore, on the basis of identification information of the node of the RAN 3 included in the construction request, the communication path establishment unit 22 may establish a communication path between the SM 2 and the node of the RAN 3 indicated by the identification information.

SHIMOJOU TAKUYA (JP)
SHIMIZU MASAYOSHI (JP)
MINOKUCHI ATSUSHI (JP)
IWASHINA SHIGERU (JP)
THAKOLSRI SRISAKUL (DE)
SAMA MALLA REDDY (DE)
ALI IRFAN (TR)

PCT/JP2017/034133

April 05, 2018

September 21, 2017

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NTT DOCOMO INC (JP)

H04W24/02; H04W92/14; H04W92/24

WO2015174456A1

2015-11-19

ZTE CORPORATION; CATR,: "MM and SM split", 3GPP TSG-SA WG2#114 S2-161756, 11 April 2016 (2016-04-11), pages 1 - 4, XP051086720, Retrieved from the Internet
SAMSUNG: "Assignment of CP andUP network functions during an MM procedure", 3GPP TSG-SAWG2#116, S2-164041, 11 July 2016 (2016-07-11), XP051118566, Retrieved from the Internet

HASEGAWA Yoshiki et al. (JP)

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