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Data transmission system and method, and apparatus thereof

專利號(hào)
US11997491B2
公開日期
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
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.

說明書

With reference to the first aspect, in a possible implementation, the location service request delivered by the gateway mobile location network element includes action indication information, and the action indication information is used to indicate the location service operation. When receiving the action indication information, the access management network element verifies whether the action indication information matches the first location privacy setting data. If the action indication information matches the first location privacy setting data, the access management network element determines that the gateway mobile location network element does not tamper with the first location privacy setting data. If the action indication information does not match the first location privacy setting data, the access management network element determines that the gateway mobile location network element tampers with the first location privacy setting data. In this case, the access management network element may report an error reason that the gateway mobile location network element tampers with the first location privacy setting data.

With reference to the first aspect, in a possible implementation, the data transmission system further includes an access management network element and a gateway mobile location network element.

The gateway mobile location network element is configured to send a location privacy setting data obtaining request to the data management network element, where the location privacy setting data obtaining request includes a third freshness parameter, and the third freshness parameter includes a third counter value and a third function counter value.

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