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Data transmission system and method, and apparatus thereof

專利號
US11997491B2
公開日期
2024-05-28
申請人
Huawei Technologies Co., Ltd.（CN Shenzhen）
發(fā)明人
Longhua Guo; He Li; Jing Chen
IPC分類
H04W12/104; H04W4/029
技術領域
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.

說明書

FIG. 2 is a schematic diagram of a current process of updating location privacy setting data in a roaming scenario. For UE using a 5G location service, a user may modify location privacy setting data on the UE at any time. An update process in a roaming scenario is shown in FIG. 2. The schematic flowchart shown in FIG. 2 includes the following steps.

1. UE sends a location privacy setting data update request (for example, a privacy setting update request) to an AMF or an LMF by using a RAN, where the location privacy setting data update request carries location privacy setting data. Correspondingly, the AMF or the LMF receives the location privacy setting data update request from the UE.

2. The AMF or the LMF sends an update message (for example, Nudm_UECM_update) to a visited GMLC (V-GMLC), where the update message carries the location privacy setting data reported by the UE. Correspondingly, the V-GMLC receives the update message from the AMF or the LMF.

3. The V-GMLC sends an update message (for example, Nudm_UECM_update) to a home GMLC (H-GMLC), where the update message carries the location privacy setting data reported by the UE. Correspondingly, the H-GMLC receives the update message from the V-GMLC.

權利要求

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