公开(公告)号：US11050487B2

公开(公告)日：2021-06-29

申请号：US16927245

申请日：2020-07-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhiping Jiang ,  Xuefeng Tang ,  Haitao Sun

IPC: H04B10/079 ,  H04B10/572 ,  H04J14/02 ,  H04B10/50

Abstract: The disclosed systems, apparatuses and methods are directed to controlling a difference between a first center frequency of a first optical subcarrier and a second center frequency of a second optical subcarrier of an optical super-channel signal in an optical network. The method comprises modulating the first optical subcarrier at a first optical side component frequency with a first side modulation frequency and modulating the second optical subcarrier at a second optical side component frequency with a second side modulation frequency. The method further comprises detecting a radio-frequency (RF) power at a modulated beat frequency tone in the modified optical signal.

公开(公告)号：US11768274B2

公开(公告)日：2023-09-26

申请号：US16921174

申请日：2020-07-06

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ali Ahmed Ali Massoud ,  Zhiping Jiang ,  Haitao Sun

IPC: G01S7/481 ,  G01S17/10 ,  G01S17/931 ,  G01S7/486 ,  B60R11/00

CPC classification number: G01S7/4817 ,  G01S7/486 ,  G01S7/4814 ,  G01S7/4816 ,  G01S17/10 ,  G01S17/931 ,  B60R11/00 ,  B60R2011/004 ,  B60R2011/0026 ,  B60R2011/0049

Abstract: The disclosed systems, structures, and methods are directed to a LiDAR system comprising a radiation source configured to emit light pulses towards a region of interest (ROI), a detector configured to detect light pulses reflected from the ROI, a processor, communicatively coupled to the radiation source and the detector, configured to cause the radiation source to emit a preamble light pulse having an energy EP and a pulse width W1 towards the ROI, determine, if the preamble light pulse is detected by the detector and whether there is an object in the ROI, responsive to a determination that there is an object in the ROI, cause the radiation source to emit a scanning light pulse having an energy EL and a pulse width W2 towards the ROI, else the radiation source to emit a scanning light pulse having an energy EH and the pulse width W2 towards the ROI.

公开(公告)号：US11757555B2

公开(公告)日：2023-09-12

申请号：US17521984

申请日：2021-11-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhiping Jiang ,  Jun Luo ,  Haitao Sun

IPC: H04B10/071 ,  H04J14/02

CPC classification number: H04J14/0227 ,  H04B10/071 ,  H04J14/0212 ,  H04J14/0213

Abstract: The disclosed systems, structures, and methods are directed to an optical transceiver, employing a first optical time domain reflectometer (OTDR) module configured to generate a first OTDR signal, and a second OTDR signal, the second OTDR signal being a delayed version of the first OTDR signal, a first optical supervisory channel (OSC) transmitter configured to generate a first OSC signal, and a second OSC signal, the second OSC signal being a delayed version of the first OSC signal, a first wavelength division multiplexer (WDM) configured to transmit the first OSC signal interleaved with the first OTDR signal on a first optical fiber and a second WDM configured to transmit the second OSC signal interleaved with the second OTDR signal on a second optical fiber.