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    Phase lock loop phase ambiguity mitigation for multi-link operation extrapolated sounding
    23.
    发明授权
    Phase lock loop phase ambiguity mitigation for multi-link operation extrapolated sounding 有权

    公开(公告)号：US12301385B2

    公开(公告)日：2025-05-13

    申请号：US18356550

    申请日：2023-07-21

    Applicant: Cisco Technology, Inc.

    Inventor： Matthew Aaron Silverman ,  Malcolm Muir Smith ,  Brian Donald Hart ,  Indermeet Singh Gandhi ,  John Matthew Swartz

    IPC: H04L25/02 ,  H04W88/08

    Abstract: The present disclosure is directed to simultaneous channel sounding on multiple MLO channels followed by determining phase and amplitude corrections based on channel impulse responses obtained on each MLO channel. The corrections are then used in subsequent extrapolation of channel sounding on one channel to another. In one aspect, a method includes transmitting, on each radio interface of a first multi-link device, a corresponding sounding probe to a second multi-link device; determining, by each radio interface of the first multi-link device, a corresponding channel impulse response based on the corresponding sound probe to yield a plurality of channel impulse responses; determining an offset between the plurality of channel impulse responses; and using the offset during a subsequent extrapolation of a sounding probe on one radio interface to a second radio interface of the first multi-link device.

    DOUBLE-SIDED CLOCK SYNCHRONIZATION FOR MULTIPATH ULTRAWIDEBAND NODES
    25.
    发明申请
    DOUBLE-SIDED CLOCK SYNCHRONIZATION FOR MULTIPATH ULTRAWIDEBAND NODES 有权

    公开(公告)号：US20250039639A1

    公开(公告)日：2025-01-30

    申请号：US18360625

    申请日：2023-07-27

    Applicant: Cisco Technology, Inc.

    Inventor： Matthew Aaron Silverman ,  Robert Badea ,  Robert Edgar Barton ,  Jerome Henry

    IPC: H04W4/029 ,  H04W56/00 ,  H04W64/00

    Abstract: Disclosed are systems, apparatuses, methods, computer readable medium, and circuits for tracking location by a positioning service. According to at least one example, a method includes: receiving distance measurements from a first anchor device; determining a trust value associated with a path between the first anchor device and a second anchor device based on the distance measurements, wherein the trust value corresponds to whether the path is obstructed; determining a first measurement interval to measure a distance from the first anchor device to the second anchor device based on a single-sided measurement and a second measurement interval to measure the distance from the first anchor device to the second anchor device based on a double-sided measurement; and sending an anchor configuration to the first anchor device including the first measurement interval for the single-sided measurement and the second measurement interval for the double-sided measurement of the second anchor device.

    AUTOMATED FREQUENCY COORDINATION (AFC) NEGOTIATED BAND ACCESS
    28.
    发明公开
    AUTOMATED FREQUENCY COORDINATION (AFC) NEGOTIATED BAND ACCESS 审中-公开

    公开(公告)号：US20240171988A1

    公开(公告)日：2024-05-23

    申请号：US17990783

    申请日：2022-11-21

    Applicant: Cisco Technology, Inc.

    Inventor： John Matthew Swartz ,  Jerome Henry ,  Robert Edgar Barton ,  Matthew Aaron Silverman ,  Fred Jay Anderson ,  Vishal Satyendra Desai

    IPC: H04W16/14 ,  H04W72/14

    CPC classification number: H04W16/14 ,  H04W72/14 ,  H04W84/12

    Abstract: Presented herein are techniques to allocate use of controlled wireless spectrum. A method includes receiving, from a wireless local area network service provider, a request for wireless local area network spectrum for a future time window, wherein the wireless local area network spectrum is subject to automated frequency coordination, in response to the request, sending, to an incumbent that uses the wireless local area network spectrum, a query consistent with the request for the wireless local area network spectrum for the future time window, receiving, from the incumbent, in response to the query, a grant to use the wireless local area network spectrum for the future time window, and in response to receiving the grant, sending permission to the wireless local area network service provider to use the wireless local area network spectrum for the future time window.

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