公开(公告)号：US20230413357A1

公开(公告)日：2023-12-21

申请号：US18459704

申请日：2023-09-01

Applicant: SZ DJI TECHNOLOGY CO., LTD.

Inventor： Ning MA ,  Xiaojun YIN ,  Ying CHEN

IPC: H04W76/15 ,  H04W72/21 ,  H04W72/1273

CPC classification number: H04W76/15 ,  H04W72/21 ,  H04W72/1273

Abstract: A communication method includes obtaining downlink transmission data of an aerial vehicle that includes a communication module based on which the aerial vehicle establishes a first communication link not adopting a cellular network communication protocol and a second communication link adopting the cellular network communication protocol with a terminal device, sending the downlink transmission data to the terminal device based on the first communication link, determining a target data receiving mode from a first data receiving mode for receiving uplink transmission data sent by the terminal device based on the first communication link and a second data receiving mode for receiving the uplink transmission data based on the first communication link and the second communication link, and controlling the communication module to work in the target data receiving mode. The uplink transmission data includes at least one of feedback data or control data.

公开(公告)号：US20210192934A1

公开(公告)日：2021-06-24

申请号：US17190370

申请日：2021-03-02

Applicant: SZ DJI TECHNOLOGY CO., LTD.

Inventor： Ning MA ,  Ying CHEN ,  Zhipeng ZHANG

IPC: G08C17/02

Abstract: A remote control command transmission method includes obtaining remote control command transmission instruction information and transmitting a target remote control command to a mobile platform according to the transmission instruction information. The target remote control command includes a basic remote control command or a compressed remote control command. The basic remote control command includes an original remote control command. The compressed remote control command includes a remote control command generated based on a current original remote control command detected at a current moment and a previous original remote control command detected before the current moment.

公开(公告)号：US20200296595A1

公开(公告)日：2020-09-17

申请号：US16889442

申请日：2020-06-01

Applicant: SZ DJI TECHNOLOGY CO., LTD.

Inventor： Ning MA ,  Ying CHEN ,  Xingsen LIN

IPC: H04W16/14 ,  H04W24/10 ,  H04B17/336 ,  H04W74/08

Abstract: The present disclosure provides a communication method and device. The method includes: effecting data communication at a first frequency channel of a first frequency band; and analyzing a second frequency channel substantially concurrently with effecting the data communication.

公开(公告)号：US20200382983A1

公开(公告)日：2020-12-03

申请号：US16995294

申请日：2020-08-17

Applicant: SZ DJI TECHNOLOGY CO., LTD.

Inventor： Ning MA ,  Cangbo ZHAO ,  Ying CHEN

IPC: H04W24/10 ,  H04W72/04 ,  H04W72/08 ,  G05D1/10 ,  G05D1/00

Abstract: A monitoring method includes effecting communication of working data associated with normal operations of a communication device at a first frequency channel and transmitting monitoring data associated with monitoring the communication device at a second frequency channel.

公开(公告)号：US20200322073A1

公开(公告)日：2020-10-08

申请号：US16909625

申请日：2020-06-23

Applicant: SZ DJI TECHNOLOGY CO., LTD.

Inventor： Ying CHEN ,  Ning MA ,  Jin DAI

IPC: H04B17/391 ,  H04L12/26 ,  H04B17/26 ,  H04L12/24 ,  H04B17/373

Abstract: A channel capacity prediction method includes collecting historic data of a channel for transmitting wireless signals to generate statistics information, obtaining a capacity prediction result based on the statistics information including calculating a predicted capacity, and outputting the capacity prediction result.

公开(公告)号：US20200314682A1

公开(公告)日：2020-10-01

申请号：US16900343

申请日：2020-06-12

Applicant: SZ DJI TECHNOLOGY CO., LTD.

Inventor： Ying CHEN ,  Ning MA ,  Lei ZHU

IPC: H04W28/02 ,  H04N19/146 ,  H04N19/176 ,  H04L1/20 ,  H04W80/02 ,  B64C39/02

Abstract: A bit rate control method includes obtaining a first bit rate control target for a first preset time period and a second bit rate control target for a second preset time period, determining an encoding parameter according to the first bit rate control target and the second bit rate control target, and controlling an encoder to encode video source data using the encoding parameter to encode video source data. The first preset time period is equal to or longer than the second preset time period.

公开(公告)号：US20200264602A1

公开(公告)日：2020-08-20

申请号：US16865815

申请日：2020-05-04

Applicant: SZ DJI TECHNOLOGY CO., LTD.

Inventor： Ning MA ,  Ying CHEN ,  Dong ZHANG

IPC: G05D1/00 ,  G05D1/10 ,  B64C39/02 ,  H04W4/40 ,  H04W4/80

Abstract: An unmanned aerial vehicle includes a camera, a first communication system, a second communication system, and a controller. The camera captures images or videos. The first communication system communicates according to a proprietary protocol. The second communication system communicates according to a standard communication protocol. The controller controls operations of the first communication system and the second communication system, to allow the first communication system and the second communication system to simultaneously transmit an image or video captured by the camera.

公开(公告)号：US20200244970A1

公开(公告)日：2020-07-30

申请号：US16844359

申请日：2020-04-09

Applicant: SZ DJI TECHNOLOGY CO., LTD.

Inventor： Ying CHEN ,  Xuke WU ,  Tao HU

IPC: H04N19/154 ,  B64C39/02 ,  H04N19/166

Abstract: A video processing method includes obtaining a video-to-be-edited, obtaining a predicted capacity value of a wireless channel capacity in a current environment, obtaining a predicted encoding parameter for the video-to-be-edited, adjusting a currently configured encoding parameter based on the predicted capacity value and the predicted encoding parameter, and encoding the video-to-be-edited based on the adjusted encoding parameter to obtain an encoded stream. The video-to-be-edited is a video captured by a camera device mounted on an aerial vehicle during a flight of the aerial vehicle.

公开(公告)号：US20190342771A1

公开(公告)日：2019-11-07

申请号：US16514559

申请日：2019-07-17

Applicant: SZ DJI TECHNOLOGY CO., LTD.

Inventor： Lei ZHU ,  Hao CUI ,  Ying CHEN ,  Ming GONG

IPC: H04W24/02 ,  H04L12/26 ,  H04N19/146

Abstract: A data transmitting method includes generating multiple channels of encoded data by encoding same data to be encoded according to a plurality of bit rates and selecting encoded data to be transmitted from the multiple channels of encoded data according to a channel bandwidth of a transmission channel. The encoded data to be transmitted is one of the multiple channels of encoded data that matches the channel bandwidth.

公开(公告)号：US20210384959A1

公开(公告)日：2021-12-09

申请号：US17409068

申请日：2021-08-23

Applicant: SZ DJI TECHNOLOGY CO., LTD.

Inventor： Naibo WANG ,  Yan WANG ,  Ying CHEN

IPC: H04B7/08 ,  H04B7/0404 ,  H04B7/185

Abstract: A method for communication processing includes obtaining a received power of each of two antennas in an antenna system of a mobile device; determining a difference between the received powers of the two antennas; determining a confidence level based on the difference, the difference being proportional to the confidence level; and determining a communication mode of the antenna system for communication based on the confidence level.