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Terminal device, PGW, and TWAG

專(zhuān)利號(hào)
US10980073B2
公開(kāi)日期
2021-04-13
申請(qǐng)人
SHARP KABUSHIKI KAISHA（JP Sakai）
發(fā)明人
Yudai Kawasaki; Yoko Kuge; Masafumi Aramoto
IPC分類(lèi)
G06F16/16; H04W76/15; H04W4/00; H04W88/06; H04W88/16; H04W72/04; H04W76/18; H04W76/11; H04W84/12
技術(shù)領(lǐng)域
pdn,nbifom,twag,ue,pgw,apn,connection,may,ifom,access
地域： Sakai

摘要

To provide a method of communication control and the like based on a multi-access PDN connection establishment request from a terminal device. Provided is communication control accompanied with establishment of a multi-access PDN connection or with rejection of establishment of a multi-access PDN connection, based on a response to a PDN connectivity establishment request from a terminal device.

說(shuō)明書(shū)

Note that the PGW_A 1310 may be a gateway device selected by using the APN 1. The PGW_B 1320 may be a gateway device selected by using the APN 2. Moreover, the PGW_A 1310 and the PGW_B 1320 may be the PGW 30. Furthermore, the selection of gateway using the APN 1 and/or the APN 2 may be performed by the TWAG 74 included and arranged in the access network B and/or the MME 40 included and arranged in the core network 90.

In addition, the gateway device selected by using the APN 1 and the gateway device selected by using the APN 2 may be the same gateway device. In this case, the PGW_A 1310 and the PGW_B 1320 may be the same device.

Note that the first PDN connection may be constituted of a transfer path between the UE 10 and the PGW 30 through the access network B. Thus, the first PDN connection may be constituted of a transfer path that is a combination of a transfer path between the UE 10 and the TWAG 74 and a transfer path between the TWAG 74 and the PGW_B 1320. Here, the transfer path may be a bearer.

In addition, the second PDN connection may be constituted of a transfer path between the UE 10 and the PGW 30 through the access network A. Thus, the second PDN connection may be constituted of a transfer path that is a combination of a transfer path between the UE 10 and the eNodeB 45, a transfer path between the eNodeB 45 and the SGW 35, and a transfer path between the SGW 35 and the PGW_B 1320. Here, the transfer path may be a bearer.

權(quán)利要求

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