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Terminal device, PGW, and TWAG

專利號(hào)
US10980073B2
公開日期
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
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

Furthermore, in the case of determining to establish the single-access PDN connection as described above, the PGW 30 may determine to establish the single-access PDN connection when the APN is allowed to establish the multi-access PDN connection based on the NBIFOM and to establish the single-access PDN connection.

Alternatively, when the PGW 30 does not have the function of establishing the multi-access PDN connection based on the NBIFOM, according to the third identification information, the PGW 30 may determine to establish the single-access PDN connection without establishing the multi-access PDN connection based on the NBIFOM.

Furthermore, in the case of determining to establish the single-access PDN connection as described above, the PGW 30 may determine to establish the single-access PDN connection when the APN is allowed to establish the multi-access PDN connection based on the NBIFOM and to establish the single-access PDN connection.

The PGW 30 may transmit, to the PCRF 60, a control message in the IP-CAN session procedure, including information indicating whether the PDN connection to be established is the multi-access PDN connection based on the NBIFOM or the single-access PDN connection, based on the above determination.

權(quán)利要求

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