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Data transmission system and method, and apparatus thereof

專(zhuān)利號(hào)
US11997491B2
公開(kāi)日期
2024-05-28
申請(qǐng)人
Huawei Technologies Co., Ltd.（CN Shenzhen）
發(fā)明人
Longhua Guo; He Li; Jing Chen
IPC分類(lèi)
H04W12/104; H04W4/029
技術(shù)領(lǐng)域
privacy,gmlc,location,ue,udm,setting,amf,data,message,network
地域： Shenzhen

摘要

A data transmission method includes calculating, by a user equipment (UE), a first message authentication code of first location privacy setting data, sending, by the UE, the first message authentication code and the first location privacy setting data to a data management network element, receiving, by the UE, a second message authentication code from the data management network element, calculating, by the UE, a third message authentication code of the first location privacy setting data, determining, by the UE, that the first location privacy setting data is not tampered with when the second message authentication code is the same as the third message authentication code.

說(shuō)明書(shū)

In a non-roaming scenario, the AMF may directly report the second indication information and the location information of the UE to the GMLC. If the second indication information indicates that positioning is completed, the GMLC sends the location information of the UE to the external client.

In Embodiment 4 shown in FIG. 8A and FIG. 8B, based on the schematic flowchart shown in FIG. 3A and FIG. 3B, the UDM performs digital signing, and the UDM delivers signed location privacy setting data to the AMF, to effectively prevent the GMLC from delivering incorrect action indication information, thereby effectively protecting the location information of the UE.

It may be understood that Embodiment 3 shown in FIG. 7A and FIG. 7B and Embodiment 4 shown in FIG. 8A and FIG. 8B are subsequent steps of Embodiment 1 shown in FIG. 5A and FIG. 5B, FIG. 5C and FIG. 5D, and Embodiment 2 shown in FIG. 6A and FIG. 6B.

The foregoing describes in detail the method in the embodiments of this application. The following provides an apparatus in the embodiments of this application.

權(quán)利要求

1
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