Method for operating a server with user equipment in a cellular network

    公开(公告)号:US11910477B2

    公开(公告)日:2024-02-20

    申请号:US17683489

    申请日:2022-03-01

    CPC classification number: H04W8/12 H04L63/0853 H04W8/06 H04W8/20 H04W12/06

    Abstract: A central server for communicating with a user equipment and a cellular network is provided. The server is configured to exchange with the cellular network information relating to at least one preconfigured qualifier assigned to the user equipment and assigned to the central server. The server receives a payload item from the cellular network transmitted by the user equipment to said cellular network by means of an authentication failure message for authenticating a user equipment at a cellular network during an attach comprising the payload item, instead of receiving a SMS or establishing an IP connection with the user equipment. The payload item can result from a latest measurement data of user equipment regularly transmitting data to said central server and/or a sensor connectively coupled to the user equipment when operating as an Internet of Things (IoT) smart-metering device.

    Method for operating a user equipment in a cellular network

    公开(公告)号:US11323870B2

    公开(公告)日:2022-05-03

    申请号:US16971819

    申请日:2019-02-19

    Abstract: A user equipment for wireless communication, configured to operate in a cellular network, includes a credential container. The user equipment sends a set of payload items to a central server communicatively coupled to the cellular network, wherein the user equipment is configured to send an attach request message to the cellular network comprising a preconfigured qualifier for at least one of the user equipment and the credential container. The user equipment is further configured—to retrieve an authentication request message from the cellular network comprising a random value and an authentication code, —to determine a response token comprising a preconfigured identifier stored in at least one of the user equipment and the credential container and at least one out of the set of payload items, and—to submit said response token with an authentication failure message to the cellular network for forwarding to the central server.

    Method and network server for authenticating a communication apparatus

    公开(公告)号:US11943612B2

    公开(公告)日:2024-03-26

    申请号:US17293700

    申请日:2019-11-13

    CPC classification number: H04W12/06 H04W12/041 H04W12/71 H04W12/72

    Abstract: A method for authenticating by a network server a communication apparatus, the communication apparatus contains a tamper resistant area adapted to memorize a first secret, by receiving from the communication apparatus a request message including a subscriber identifier; providing, by consulting a database accessible by the network server, a device identifier associated to the received subscriber identifier allowing to identify the communication apparatus; identifying in a secure distributed ledger a record published by a manufacturer of at least a portion of the communication apparatus, the record including a second secret attributed to the identified communication apparatus; generating a challenge message including a random number and sending it to the communication apparatus for it to generate a first result; receiving from the communication apparatus a response message including the first result, the communication apparatus being authenticated by the network server if the first result is equal to a second result.

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