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1.发明申请公开(公告)号：US20230094992A1
公开(公告)日：2023-03-30
申请号：US18076229
申请日：2022-12-06
Inventor： Chuanming ZHANG , Min LIU , Zhi WANG , Hailu JIA
IPC: G01S5/02
Abstract: A method for generating a wireless signal fingerprint database includes: obtaining an initial atmospheric pressure value, in which the initial atmospheric pressure value is an atmospheric pressure value collected when a terminal enters indoors; obtaining periodically a current wireless signal fingerprint and a current atmospheric pressure value collected by the terminal; and determining a floor corresponding to the current wireless signal fingerprint based on the initial atmospheric pressure value and the current atmospheric pressure value, to obtain the wireless signal fingerprint database.
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公开(公告)号：US20210377898A1
公开(公告)日：2021-12-02
申请号：US17354209
申请日：2021-06-22
Inventor： Fangsheng JIANG , Hailu JIA
Abstract: The present application discloses a terminal device locating method, a terminal device, a system, an emergency locating server, an electronic device and a storage medium, and relates to locating and information flow technologies. A specific implementation solution is: acquiring dialing information of a call of a terminal device, sending information related to a location of the terminal device through a non-network channel to an emergency locating server if the call is determined to be an emergency call according to the dialing information, where the information related to the location of the terminal device is used to locate the terminal device and obtain locating information of the terminal device.
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Patent Agency Ranking
3.发明申请公开(公告)号：US20230094377A1
公开(公告)日：2023-03-30
申请号：US17735373
申请日：2022-05-03
Inventor： Qi LI , Hailu JIA , Xiaotong LIU
IPC: G06N5/04
Abstract: The present disclosure provides a subway operating state prediction method and apparatus, an electronic device and a storage medium, and relates to technical fields such as intelligent transportation and artificial intelligence. A specific implementation solution involves: acquiring air pressure information of a mobile terminal used by a user on a subway at respective moments in a time window; and predicting an operating state of the subway in the time window based on the air pressure information at the moments in the time window.
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公开(公告)号：US20220027705A1
公开(公告)日：2022-01-27
申请号：US17494497
申请日：2021-10-05
Abstract: A building positioning method, an electronic device, a storage medium and a terminal device are disclosed, which relate to the technical fields of artificial intelligence, computer vision domains and intelligent traffic. The method includes: acquiring a building fingerprint library, the building fingerprint library including a plurality of groups of triplet data and a plurality of corresponding building information, wherein a single group of triplet data includes surveying and mapping data, GPS data and Wi-Fi data; receiving a positioning request, the positioning request including first triplet data, the first triplet data including first surveying and mapping data, first GPS data, and first Wi-Fi data; calculating a similarity between the first triplet data and the plurality of groups of triplet data in the building fingerprint library, respectively; and determining building information corresponding to the positioning request according to the calculated similarity.
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公开(公告)号：US20220023136A1
公开(公告)日：2022-01-27
申请号：US17492650
申请日：2021-10-03
Inventor： Lei XIA , Xi CHEN , Hailu JIA , Guangdi SHAN
Abstract: A method for guiding a blind, an electronic device, a storage medium and a blind guide product, and related to the technical field of navigation are provided. The method includes: acquiring Beidou satellite data and base station differential data, and determining location information of a user by using a carrier phase differential technology; in response to a blind guide request, generating a blind guide route according to current location information and destination information input by the user; and broadcasting a voice prompt based on the blind guide route. The location accuracy of a user is improved, and blind guide requirements for a complex road section can be met, thereby improving the travel safety for the user.
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公开(公告)号：US20230070349A1
公开(公告)日：2023-03-09
申请号：US18048944
申请日：2022-10-24
Inventor： Xi CHEN , Guangdi SHAN , Wei LI , Fangsheng JIANG , Hailu JIA
Abstract: A positioning method includes: receiving detection data sent by a positioning device, in which the detection data includes first satellite data of multiple satellites; determining prediction noise of each satellite based on the first satellite data, and determining a weight of each satellite based on the prediction noise; and determining a position of the positioning device based on the weight and observation equations.
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公开(公告)号：US20220035045A1
公开(公告)日：2022-02-03
申请号：US17450968
申请日：2021-10-14
Inventor： Guangdi SHAN , Hailu JIA , Xi CHEN , Lei XIA
Abstract: An ephemeris data processing method, electronic device and storage medium are disclosed, which relate to the fields of satellite communication, positioning, and navigation. The ephemeris data processing method includes: receiving raw ephemeris data from a plurality of user devices; analyzing the raw ephemeris data according to an analysis mode of each user device and a satellite ephemeris protocol of each galaxy. According to embodiments of the present disclosure, ephemeris data of a plurality of user devices can be centrally processed and stored, thereby storing more complete ephemeris data and then providing more abundant ephemeris data.
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