METHOD AND APPARATUS FOR DETERMINING HYPER FRAME NUMBER OF PACKET DATA CONVERGENCE PROTOCOL ENTITY

    公开(公告)号:EP4319069A1

    公开(公告)日:2024-02-07

    申请号:EP21933890.2

    申请日:2021-03-31

    Inventor: JIANG, Xiaowei

    Abstract: Disclosed in embodiments of the present invention are a method and apparatus for determining a hyper frame number of a packet data convergence protocol entity, which may be applied to the technical field of communications. The method configured to be executed by a terminal device comprises: receiving indication information sent by a network device, wherein the indication information comprises hyper frame number (HFN) information; and determining an HFN value of a packet data convergence protocol (PDCP) entity on the basis of the HFN information. Therefore, the value of an HFN can be kept consistent between a terminal device and a network device, so that data decryption failure or integrity verification failure is avoided, and the reliability of data transmission is improved.

    SYSTEMS AND METHODS FOR PROPAGATING DATA PACKETS IN A NETWORK OF NODES

    公开(公告)号:EP4102781A1

    公开(公告)日:2022-12-14

    申请号:EP22171013.0

    申请日:2019-05-09

    Abstract: A method of propagating data packets in a network of nodes is disclosed. This may be a blockchain network such as, for example, the Bitcoin network. The method includes: collecting a set of first data packets during a first time period, the set including at least one data packet received from one or more first nodes in the network; generating a first mapping that assigns the first data packets of the set for relay to one or more neighbouring nodes connected to the node; computing a decorrelation metric value for the first mapping; determining whether the decorrelation metric value for the first mapping satisfies a first condition; in response to determining that the decorrelation metric value for the first mapping does not satisfy the first condition: generating a second mapping that assigns the first data packets of the set for relay to one or more neighbouring nodes connected to the node, the second mapping defining assignments that are different from those of the first mapping; computing a decorrelation metric value for the second mapping; and in response to determining that the decorrelation metric value for the second mapping satisfies the first condition, transmitting the first data packets of the set to neighbouring nodes according to the second mapping.

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