公开(公告)号：US20240235673A9

公开(公告)日：2024-07-11

申请号：US18047851

申请日：2022-10-19

Applicant: Verizon Patent and Licensing Inc.

Inventor： Tiejun J. XIA ,  Glenn A. WELLBROCK

IPC: H04B10/079

CPC classification number: H04B10/07955 ,  H04B10/07957

Abstract: A device may provide a signal with a first wavelength and a second wavelength to a fiber cable, and may receive an intensity change measurement of backscattered light based on the first wavelength of the signal. The device may receive a differential phase change measurement of the backscattered light based on the second wavelength of the signal, and may determine whether there is a fiber loss change, a fiber length change, and/or a fiber cut associated with the fiber cable based on the intensity change measurement. The device may determine whether there is an abnormal event associated with the fiber cable based on the differential phase change measurement, and may report one or more of the fiber loss change, the fiber length change, the fiber cut, or the abnormal event.

公开(公告)号：US20220321211A1

公开(公告)日：2022-10-06

申请号：US17222157

申请日：2021-04-05

Applicant: Verizon Patent and Licensing Inc.

Inventor： Tiejun J. XIA ,  Glenn A. WELLBROCK

IPC: H04B10/071 ,  H04B10/035 ,  H04B10/61

Abstract: In some implementations, a device may transmit communication data to a transceiver via an access fiber optic cable. The device may determine that fiber sensing is to be performed for the access fiber optic cable. The device may cease transmission of the communication data for a predetermined time period. The device may generate an optical pulse after ceasing transmission of the communication data. The device may transmit the optical pulse to the transceiver via the access fiber optic cable. The device may receive, prior to expiration of the predetermined time period, a reflected signal from the access fiber optic cable based on the optical pulse. The device may analyze the reflected signal to generate sensing results. The device may perform one or more actions based on the sensing results.

公开(公告)号：US20230421932A1

公开(公告)日：2023-12-28

申请号：US17808731

申请日：2022-06-24

Applicant: Verizon Patent and Licensing Inc.

Inventor： Tiejun J. XIA ,  Glenn A. WELLBROCK

IPC: H04Q11/00

CPC classification number: H04Q11/0067 ,  H04Q11/0071 ,  H04Q2011/0075 ,  H04Q2011/0009

Abstract: A device may comprise a first portion and a second portion. The first portion may comprise a plurality of slots configured to receive a plurality of fiber optic cables. Each fiber optic cable may be received in a respective slot of the plurality of slots. The second portion may comprise a plurality of protruding members configured to bend the plurality of fiber optic cables, received in the first portion, to cause the plurality of fiber optic cables to emit light. The second portion may further comprise the light detection unit. The light detection unit may be configured to determine whether light emitted by a fiber optic cable is detected; and provide an indication regarding a port of the plurality of ports based on determining that the light, emitted by the fiber optic cable, is detected. The fiber optic cable may be connected to the port.

公开(公告)号：US20230025986A1

公开(公告)日：2023-01-26

申请号：US17443057

申请日：2021-07-20

Applicant: Verizon Patent and Licensing Inc.

Inventor： Tiejun J. XIA ,  Glenn A. WELLBROCK

IPC: G01V1/00 ,  G01N29/44 ,  G01V1/22 ,  G01V1/18 ,  G01N29/04

Abstract: In some implementations, a system may receive a cable map for a deployed cable. The system may receive vibration data indicating a vibration associated with a first section of the cable. The system may determine a characteristic associated with the first section of the cable based on the vibration. The system may determine a location associated with the characteristic based on the cable map. The system may determine that the first section of the cable is associated with the location based on the location being associated with the characteristic. The system may associate the location and a length of a second section of the cable extending from an initial location to the location. The system may receive an input identifying the length of the second section of the cable and may output the location based on associating the location and the length of the second section of the cable.

公开(公告)号：US20200322050A1

公开(公告)日：2020-10-08

申请号：US16376880

申请日：2019-04-05

Applicant: Verizon Patent and Licensing Inc.

Inventor： Tiejun J. XIA ,  Glenn A. WELLBROCK ,  Joe J. THOMPSON

IPC: H04B10/25 ,  H04B10/50 ,  H04B10/61

Abstract: An actuator device can include a plate, an actuator, a connector, and a power unit. The plate can retain a section of an optical fiber at the transmitter end of an optical communication link. The section of the optical fiber can be wrapped in at least a partial loop and held or retained by the plate. The connector can be a mechanical connector that couples the plate to the actuator and enables the plate to move about at least one axis to cause a change in a polarization state of the optical signal carried by the optical fiber. The change in the polarization state is identifiable by a polarized photodetector near a receiver end of the optical communication link. The power unit can provide power to at least the actuator.

公开(公告)号：US20180063607A1

公开(公告)日：2018-03-01

申请号：US15245878

申请日：2016-08-24

Applicant: Verizon Patent and Licensing Inc.

Inventor： Tiejun J. XIA ,  Glenn A. WELLBROCK

IPC: H04Q11/00 ,  H04J14/02 ,  H04B10/2581

CPC classification number: H04Q11/0005 ,  H04B10/2581 ,  H04J14/0212 ,  H04J14/04 ,  H04Q11/0001 ,  H04Q2011/0015 ,  H04Q2011/0016 ,  H04Q2011/0024 ,  H04Q2011/0039 ,  H04Q2011/0041 ,  H04Q2011/0049 ,  H04Q2011/0064

Abstract: An optical node may include an optical switch and an optical add drop multiplexer (OADM). The optical switch may receive, via a space-division multiplexing (SDM) link that carries optical signals via multiple SDM elements, an optical signal to be switched from a first SDM element to a second SDM element. The multiple SDM elements may include multiple cores of a multi-core fiber, multiple modes of a multi-mode fiber, or multiple fibers of a fiber bundle. The optical switch may switch the optical signal from the first SDM element to the second SDM element. The OADM may add optical signals to an optical network or drop optical signals from the optical network via one or more SDM links that include the SDM link.

公开(公告)号：US20250055563A1

公开(公告)日：2025-02-13

申请号：US18447123

申请日：2023-08-09

Applicant: Verizon Patent and Licensing Inc.

Inventor： Tiejun J. XIA ,  Glenn A. WELLBROCK

IPC: H04B10/071 ,  H04B10/079

Abstract: A device may provide a first optical signal to a destination terminal via a fiber cable and a plurality of sensing repeaters provided at intermediate sites of an ultra-long-haul transport network. The device may receive a second optical signal, based on the first optical signal, via the fiber cable and the plurality of sensing repeaters provided at the intermediate sites of the ultra-long-haul transport network. The device may determine whether the fiber cable has an issue based on the second optical signal, and may perform one or more actions based on whether the fiber cable has an issue.

公开(公告)号：US20240137118A1

公开(公告)日：2024-04-25

申请号：US18047851

申请日：2022-10-18

Applicant: Verizon Patent and Licensing Inc.

Inventor： Tiejun J. XIA ,  Glenn A. WELLBROCK

IPC: H04B10/079

CPC classification number: H04B10/07955 ,  H04B10/07957

Abstract: A device may provide a signal with a first wavelength and a second wavelength to a fiber cable, and may receive an intensity change measurement of backscattered light based on the first wavelength of the signal. The device may receive a differential phase change measurement of the backscattered light based on the second wavelength of the signal, and may determine whether there is a fiber loss change, a fiber length change, and/or a fiber cut associated with the fiber cable based on the intensity change measurement. The device may determine whether there is an abnormal event associated with the fiber cable based on the differential phase change measurement, and may report one or more of the fiber loss change, the fiber length change, the fiber cut, or the abnormal event.

公开(公告)号：US20230083644A1

公开(公告)日：2023-03-16

申请号：US17447871

申请日：2021-09-16

Applicant: Verizon Patent and Licensing Inc.

Inventor： Tiejun J. XIA ,  Glenn A. WELLBROCK

IPC: G02B6/44 ,  G01V1/18 ,  G01V1/00 ,  G01V1/34

Abstract: A device may provide, to a user device, a first message instructing a technician to move fiber cables and may receive a first signal based on the technician moving the fiber cables and a rest signal based on the technician stopping movement of the fiber cables. The device may calculate a distance, an average peak signal, and a baseline signal based on the first signal and the rest signal and may calculate a data collection window based on the distance, the average peak signal, and the baseline signal. The device may provide, to the user device, a second message instructing the technician to move one fiber cable at a time and may receive second signals based on the technician moving one fiber cable at a time. The device may provide, for display to the user device, the data collection window and indications of the second signals.

公开(公告)号：US20220163376A1

公开(公告)日：2022-05-26

申请号：US17101886

申请日：2020-11-23

Applicant: Verizon Patent and Licensing Inc.

Inventor： Tiejun J. XIA ,  Glenn A. WELLBROCK

IPC: G01H9/00 ,  G01D5/353

Abstract: In some implementations, a device may obtain responsivity data for segments of a fiber optic cable. The device may receive, from a sensor device, vibration data associated with the fiber optic cable, the vibration data being produced by a vibration source in or on soil associated with the fiber optic cable. The device may normalize, based on the responsivity data, the vibration data. The device may determine, based on the normalized vibration data, a distance of the vibration source from the fiber optic cable. The device may perform one or more actions based on the distance satisfying a distance threshold.