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    DETERMINISTIC ADDRESS ROTATION
    4.
    发明公开
    DETERMINISTIC ADDRESS ROTATION 审中-公开

    公开(公告)号：US20240163089A1

    公开(公告)日：2024-05-16

    申请号：US17984617

    申请日：2022-11-10

    Applicant: Cisco Technology, Inc.

    Inventor： Ugo Mario Campiglio ,  Jerome Henry ,  Stephen Michael Orr

    IPC: H04L9/08 ,  H04L9/32

    CPC classification number: H04L9/0866 ,  H04L9/0838 ,  H04L9/3242

    Abstract: Methods that support deterministic random media access control (MAC) address rotation that allows sharing of an address identity with a trusted wireless network infrastructure by generating a next address based on a previously used address and a seed obtained from a previous association with the trusted network infrastructure. In these methods, a computing device obtains a request for a secure connection of an endpoint device to a wireless network. The computing device performs an access authentication for the secure connection and establishes the secure connection of the endpoint device to the wireless network based on successfully performing the access authentication, in which cryptographic information for encrypting one or more network messages is generated. The computing device further generates a subsequent device address for a subsequent secure connection of the endpoint device to the wireless network, based on a current device address obtained from the request and the cryptographic information.

    BACKSCATTER DEVICE PLACEMENT AND PLACEMENT CALIBRATION
    6.
    发明申请
    BACKSCATTER DEVICE PLACEMENT AND PLACEMENT CALIBRATION 有权

    公开(公告)号：US20240380479A1

    公开(公告)日：2024-11-14

    申请号：US18460429

    申请日：2023-09-01

    Applicant: Cisco Technology, Inc.

    Inventor： Ugo Mario Campiglio ,  Domenico Ficara ,  Jerome Henry ,  Robert E. Barton ,  Amine Choukir ,  Indermeet S. Gandhi

    IPC: H04B7/155 ,  H02J50/00 ,  H02J50/20

    Abstract: Backscatter Device (BKD) placement and placement calibration may be provided. A plurality of ambient energy sources of a Three-Dimensional (3D) space may be caused to transmit charging frames for Backscatter Devices (BKDs). Each of the charging frames may include a payload having a Media Access Control (MAC) address of transmitting ambient energy source. An amount of ambient energy received from the charging frames of the plurality of ambient energy sources and each contributing source may be received from survey devices placed at positions along a sub-space of the 3D space. The amount of ambient energy available from each contributing source at each positions along the sub-space per predetermined time period may be predicted based on the amount of ambient energy received from the plurality of ambient energy sources.

    BACKSCATTER DEVICE PLACEMENT AND PLACEMENT CALIBRATION
    7.
    发明申请
    BACKSCATTER DEVICE PLACEMENT AND PLACEMENT CALIBRATION 有权

    公开(公告)号：US20240378407A1

    公开(公告)日：2024-11-14

    申请号：US18460410

    申请日：2023-09-01

    Applicant: Cisco Technology, Inc.

    Inventor： Robert E. Barton ,  Domenico Ficara ,  Amine Choukir ,  Jerome Henry ,  Ugo Mario Campiglio

    IPC: G06K19/07

    Abstract: Backscatter Device (BKD) placement and placement calibration may be provided. A plurality of ambient energy sources in a Three-Dimensional (3D) space may be identified and mapped. Each of the plurality of ambient energy sources may be categorized as one of the following: a stationary and controllable ambient energy source, a stationary and uncontrollable ambient energy source, and a mobile ambient energy source. An amount of ambient energy available at each of a plurality of sub-spaces of the 3D space may be determined. The amount of ambient energy available at each of the plurality of sub-spaces may be determined by determining a first amount of ambient energy that is continuously available and a second amount of ambient energy that is likely available at each of the plurality of sub-spaces of the 3D space.

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