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Terminal device, PGW, and TWAG

專利號
US10980073B2
公開日期
2021-04-13
申請人
SHARP KABUSHIKI KAISHA（JP Sakai）
發(fā)明人
Yudai Kawasaki; Yoko Kuge; Masafumi Aramoto
IPC分類
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.

說明書

FIGS. 4A to 4E illustrate the information elements stored in the storage 340. FIG. 4A illustrates an example of the TWAG capability stored by the TWAG 74. In the TWAG capability, identification information (NBIFOM capability) is stored for each TWAG 74, the information indicating whether or not capability of establishing the first PDN connection is supported. In other words, the identification information indicates whether or not the TWAG 74 supports an NBIFOM function. Specifically, the NBIFOM capability may include “allowed” or “Not allowed”.

Note that the NBIFOM function may be information indicating the possession of the function of establishing the multi-access PDN connection based on the NBIFOM.

Alternatively, the NBIFOM capability may be identification information indicating the possession of the capability of establishing the first PDN connection. That is, the existence of the NBIFOM capability in the storage may mean that the TWAG 74 is a gateway capable of establishing the first PDN connection. In other words, the existence of the NBIFOM capability in the storage may mean that the TWAG 74 is a gateway supporting the NBIFOM function.

As illustrated in FIG. 4A, the NBIFOM capability may be stored with being associated with the TWAG ID that is the identification information on the TWAG 74. If not associated with the TWAG ID, the NBIFOM capability may mean capability of the TWAG 74 to be stored.

If the TWAG ID and the NBIFOM capability are stored with being associated with each other, the TWAG 74 may store the TWAG capability of multiple TWAGs 74.

權(quán)利要求

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