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公开(公告)号：US11096193B2
公开(公告)日：2021-08-17
申请号：US16674520
申请日：2019-11-05
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Naibo Wang , Wei Fan
Abstract: A method for selecting a working wireless communication channel based on spectral estimation includes determining a sub-set of wireless communication channels from a set of wireless communication channels of a working frequency band. A superposition of channel frequency bands of the wireless communication channels in the sub-set covers the working frequency band. The method further includes performing a noise level measurement on each wireless communication channel in the sub-set to obtain a spectral estimation result for each wireless communication channel in the sub-set. The method further includes calculating a spectral density distribution across the working frequency band based on the spectral estimation results of the wireless communication channels in the sub-set. The method further includes selecting, according to the spectral density distribution across the working frequency band, one of the wireless communication channels from the set as the working wireless communication channel.
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公开(公告)号：US11101870B2
公开(公告)日：2021-08-24
申请号：US16715282
申请日：2019-12-16
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Naibo Wang , Yan Wang , Ying Chen
IPC: H04B7/08 , H04B7/04 , H04B7/0404 , H04B7/185
Abstract: A method for communication processing includes determining a confidence level of an antenna system of a mobile device based on a measured result of the mobile device, determining a communication mode based on the confidence level, and using the communication mode for communication. The communication mode includes an antenna switching mechanism or a diversity mechanism.
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公开(公告)号：US10904840B2
公开(公告)日：2021-01-26
申请号：US16722868
申请日：2019-12-20
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Yan Wang , Naibo Wang , Wei Fan , Han Huang
Abstract: A transmission power setting method includes selecting one of a plurality of channels of a communication system as a target channel for communication, and, based on pre-set communication parameters, setting a transmission power of the communication system to be a maximum transmission power corresponding to the target channel. The pre-set communication parameters include maximum transmission powers for the plurality of channels.
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公开(公告)号：US11610496B2
公开(公告)日：2023-03-21
申请号：US16894832
申请日：2020-06-07
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Ming Gong , Bingzhen Yang , Zhongqian You , Guohao Zhan , Peng Xie , Xiaohang Zhong , Naibo Wang , Xingsen Lin , Xiongbin Rao , Renqin Deng , Wenyue Chen , Mingyu Wang
Abstract: A method for monitoring an unmanned aerial vehicle (UAV) includes a processor generating a datagram based on monitoring data for a UAV-detector communication between the UAV and one or more detectors. The monitoring data indicates at least one of a location of the UAV or a location of a control station in communication with the UAV. The method further includes the processor encrypting working data for a UAV-control station communication between the UAV and the control station using an encryption key known to the control station but now known to the one or more detectors, and a transmitter transmitting the datagram along with encrypted working data. The datagram is to be received by the one or more detectors and the encrypted working data is to be received and deciphered by the control station using the encryption key.
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公开(公告)号：US11178709B2
公开(公告)日：2021-11-16
申请号：US16576423
申请日：2019-09-19
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Zhipeng Zhang , Xiaojun Yin , Naibo Wang , Ning Ma
IPC: H04W76/14 , H04W12/03 , H04W12/0471
Abstract: A pairing method implemented in a first device includes obtaining identification information of a second device. The pairing method also includes transmitting a pairing request message to the second device, the pairing request message carrying a system key. The pairing method also includes receiving a pairing response message from the second device. The pairing method also includes analyzing the pairing response message based on the system key. The pairing method further includes verifying the analyzed pairing response message based on the identification information.
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Patent Agency Ranking
公开(公告)号：US11166259B2
公开(公告)日：2021-11-02
申请号：US16691086
申请日：2019-11-21
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Xiongbin Rao , Ming Gong , Xingsen Lin , Naibo Wang
Abstract: A monitoring information broadcasting method includes determining a series of transmission sessions aligned to a system time of a mobile platform. Each transmission session includes a first time period and a second time period. The first time period includes a plurality of first time slices and the second time period includes a plurality of second time slices. The method further includes performing one of broadcasting a data packet of a first type during a first active slice among the first time slices in the first time period of one of the transmission sessions or broadcasting a data packet of a second type during a second active slice among the second time slices in the second time period of the one of the transmission sessions.
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公开(公告)号：US10679510B2
公开(公告)日：2020-06-09
申请号：US16030544
申请日：2018-07-09
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Ming Gong , Bingzhen Yang , Zhongqian You , Guohao Zhan , Peng Xie , Xiaohang Zhong , Naibo Wang , Xingsen Lin , Xiongbin Rao , Renqin Deng , Wenyue Chen , Mingyu Wang
Abstract: The present invention provides a method for monitoring an unmanned aerial vehicle (UAV). The method may comprise: generating, with aid of one or more processors, a datagram comprising monitoring data indicating at least one of: a location of the UAV or a location of a control station in communication with the UAV; and transmitting the datagram along with working data for communication between the UAV and the control station such that datagram can be received by the one or more detectors within a range of the UAV.
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公开(公告)号：US11240772B2
公开(公告)日：2022-02-01
申请号：US16737186
申请日：2020-01-08
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Xiongbin Rao , Xiaojun Yin , Ning Ma , Naibo Wang
Abstract: An out-of-synchronization processing method implemented in an intermediate communication apparatus includes obtaining synchronization information for synchronizing with a downstream communication apparatus, and performing a search for an upstream communication apparatus and a communication with the downstream communication apparatus. A parameter is adjusted according to the synchronization information during the communication with the downstream communication apparatus.
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9.发明授权公开(公告)号：US11106222B2
公开(公告)日：2021-08-31
申请号：US16713621
申请日：2019-12-13
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Zhipeng Zhang , Naibo Wang , Ning Ma , Xiaojun Yin
Abstract: A control terminal includes a memory storing program instructions, a communication interface configured to communicate with an unmanned aerial vehicle (UAV), receive position information outputted by a positioning device of the UAV and sent by the UAV, and receive flight state information of a plurality of aircrafts detected by an aircraft detection device of the UAV and sent by the UAV, and a processor configured to execute the program instructions to detect an operation state of the positioning device based on the position information and the flight state information.
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公开(公告)号：US10862532B2
公开(公告)日：2020-12-08
申请号：US16671878
申请日：2019-11-01
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Wei Fan , Naibo Wang
IPC: H04B1/02 , H04B1/7143 , H04B17/336 , B64C39/02 , G05D1/00 , H04B1/715 , B64D47/08
Abstract: A computer-implemented method for communication includes obtaining power data associated with a plurality of channels of a frequency band, predicting an error rate for each of the plurality of channels based at least in part on the power data, and selecting a hopset of channels for frequency hopping from the plurality of channels based at least in part on the predicted error rates for the plurality of channels.
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