WO2019134137A1 - Procédé et dispositif de positionnement par satellite, et montre intelligente - Google Patents

Procédé et dispositif de positionnement par satellite, et montre intelligente Download PDF

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Publication number
WO2019134137A1
WO2019134137A1 PCT/CN2018/071644 CN2018071644W WO2019134137A1 WO 2019134137 A1 WO2019134137 A1 WO 2019134137A1 CN 2018071644 W CN2018071644 W CN 2018071644W WO 2019134137 A1 WO2019134137 A1 WO 2019134137A1
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WO
WIPO (PCT)
Prior art keywords
positioning
data
satellite
satellite positioning
mobile terminal
Prior art date
Application number
PCT/CN2018/071644
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English (en)
Chinese (zh)
Inventor
杜来柱
Original Assignee
深圳市沃特沃德股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市沃特沃德股份有限公司 filed Critical 深圳市沃特沃德股份有限公司
Priority to PCT/CN2018/071644 priority Critical patent/WO2019134137A1/fr
Publication of WO2019134137A1 publication Critical patent/WO2019134137A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS

Definitions

  • the invention relates to the field of electronic technology, and in particular to a satellite positioning method, device and smart watch.
  • smart wearable devices are gradually favored by people, among which smart watches are the most mature.
  • Smart watches not only can indicate time, but also have functions such as navigation, calibration, reminding, etc., and even support interconnection with other smart devices, such as connecting with smart phones, and supporting some functions of smart phones, such as WeChat message reminders, call reminders, and viewing SMS messages. Viewing emails, viewing schedules, etc., it can be seen that the application scenarios of smart watches are very broad.
  • the satellite positioning system that implements the navigation function needs to wait for a long time (usually 40 seconds - 2 minutes) during cold start (that is, when it is started for the first time or when it is not used for a long time), because it cannot access the Internet for auxiliary positioning.
  • a long time usually 40 seconds - 2 minutes
  • cold start that is, when it is started for the first time or when it is not used for a long time
  • the positioning drift is serious, and the positioning accuracy is poor, which seriously affects the user experience.
  • the main object of the present invention is to provide a satellite positioning method, device and smart watch, which aim to shorten the positioning waiting time of the satellite positioning system during cold start.
  • an embodiment of the present invention provides a satellite positioning method, where the method includes the following steps: when a satellite positioning system is activated, notifying a mobile terminal to perform satellite positioning; receiving positioning positioning data sent by the mobile terminal,
  • the positioning assistance data includes at least ephemeris data; the ephemeris data is used for satellite positioning.
  • the embodiment of the present invention further provides a satellite positioning apparatus, the apparatus comprising: a first notification module, configured to notify a mobile terminal to perform satellite positioning when the satellite positioning system is activated; and a data receiving module, configured to receive the mobile terminal to send Positioning assistance data, the positioning assistance data includes at least ephemeris data; a satellite positioning module for performing satellite positioning using the ephemeris data.
  • Embodiments of the present invention also provide a smart watch including a memory, a processor, and at least one application stored in the memory and configured to be executed by the processor, the application being configured to be used for Perform the aforementioned satellite positioning method.
  • a satellite positioning method provided by an embodiment of the present invention notifies a mobile terminal to perform satellite positioning when the satellite positioning system is started, acquires ephemeris data by using a satellite positioning system and an internetwork of the mobile terminal, and uses an ephemeris transmitted by the mobile terminal. Data is quickly located. Thereby, the rapid positioning of the satellite positioning system during cold start is realized, which greatly shortens the positioning waiting time of the satellite positioning system during cold start, and improves the user experience. Further, the first positioning data sent by the mobile terminal and the second positioning data obtained by the local positioning are used to calculate the current position coordinates, so that the positioning is more accurate, and the technical problem of poor positioning accuracy when the satellite positioning system is just started is solved.
  • FIG. 1 is a flow chart of a first embodiment of a satellite positioning method of the present invention
  • FIG. 2 is a flow chart of a second embodiment of the satellite positioning method of the present invention.
  • Figure 3 is a flow chart showing a third embodiment of the satellite positioning method of the present invention.
  • Figure 4 is a flow chart showing a fourth embodiment of the satellite positioning method of the present invention.
  • Figure 5 is a block diagram showing the first embodiment of the satellite positioning device of the present invention.
  • Figure 6 is a block diagram showing a second embodiment of the satellite positioning device of the present invention.
  • Figure 7 is a block diagram of the first computing module of Figure 6;
  • FIG. 8 is another block diagram of the first computing module of FIG. 6;
  • Figure 9 is a block diagram showing a third embodiment of the satellite positioning device of the present invention.
  • Figure 10 is a block diagram showing a fourth embodiment of the satellite positioning apparatus of the present invention.
  • FIG. 11 is a block diagram of the positioning determination module of FIG. 10;
  • FIG. 12 is another block diagram of the positioning determination module of FIG. 10.
  • terminal and terminal device used herein include both a wireless signal receiver device, a device having only a wireless signal receiver without a transmitting capability, and a receiving and transmitting hardware.
  • Such devices may include cellular or other communication devices having a single line display or a multi-line display or a cellular or other communication device without a multi-line display; PCS (Personal Communications) Service, personal communication system), which can combine voice, data processing, fax and/or data communication capabilities; PDA (Personal Digital Assistant), which can include radio frequency receiver, pager, Internet/Intranet access, network Browser, notepad, calendar and/or GPS (Global Positioning System) receiver; conventional laptop and/or palmtop computer or other device with and/or conventional lap including radio frequency receiver Type and / or palmtop or other device.
  • PCS Personal Communications
  • PDA Personal Digital Assistant
  • terminal may be portable, transportable, installed in a vehicle (aviation, sea and/or land), or adapted and/or configured to operate locally, and/or Run in any other location on the Earth and/or space in a distributed form.
  • the "terminal” and “terminal device” used herein may also be a communication terminal, an internet terminal, a music/video playing terminal, and may be, for example, a PDA, a MID (Mobile Internet Device), and/or have a music/video playback.
  • Functional mobile phones can also be smart TVs, set-top boxes and other devices.
  • the satellite positioning method and device of the embodiment of the present invention are mainly applied to a wearable device such as a smart watch, and may of course be applied to other terminal devices, which is not limited by the present invention.
  • the method includes the following steps:
  • the smart watch and the mobile terminal establish a wireless connection through a wireless communication module such as Bluetooth or WIFI.
  • a wireless communication module such as Bluetooth or WIFI.
  • the notification information is sent to the mobile terminal through the wireless connection, and the mobile terminal immediately receives the notification information.
  • the satellite positioning system and the auxiliary satellite positioning system are activated, and the satellite positioning system and the satellite positioning system are used for rapid satellite positioning to obtain ephemeris data and first positioning data.
  • the mobile terminal may be a smart terminal such as a mobile phone or a tablet.
  • the satellite positioning system may include GPS, BDS (BeiDou Navigation) At least one of a Satellite System, a Beidou satellite navigation system, and a GLONASS satellite navigation system.
  • the auxiliary satellite positioning system such as AGPS (Assisted Global) Positioning System (AGPS), EPO (Extended Prediction Orbit), etc., is a technology that combines network base station information and satellite positioning information to locate mobile stations, using both satellite positioning systems and mobile The base station not only solves the problem of satellite positioning system coverage, but also realizes rapid positioning by means of the Internet when the satellite positioning system is just started.
  • an application can be installed on the mobile terminal, and the smart watch establishes a Bluetooth connection with the mobile terminal.
  • the smart watch starts GPS, it detects whether there is a mobile terminal with which a Bluetooth connection is established, and if so, sends a notification message to the APP of the mobile terminal through Bluetooth, and after receiving the notification information, the APP starts the GPS and AGPS of the mobile terminal.
  • GPS and AGPS Use GPS and AGPS to quickly perform satellite positioning to obtain ephemeris data and first positioning data.
  • the ephemeris data is sent as the positioning assistance data to the smart watch, and the smart watch receives the ephemeris data sent by the mobile terminal.
  • the smart watch directly uses the ephemeris data sent by the mobile terminal to quickly perform satellite positioning.
  • the specific positioning method is the same as the prior art, and will not be described here.
  • the smart watch acquires the second positioning data, and calculates the current position coordinate according to the second positioning data.
  • the smart watch can also use the pedometer to assist positioning and improve the positioning accuracy. Specifically, the smart watch acquires the moving distance through the pedometer, filters the second positioning data by using the moving distance, and calculates the current position coordinate according to the remaining data after the filtering.
  • the smart watch activates the pedometer, uses the pedometer to calculate the number of steps the user moves, and converts the number of steps moved into the moving distance (number of steps * distance per step).
  • the smart watch analyzes the second positioning data, first removes the data with large error, and then filters out the data with more serious drift (such as the drift distance is greater than or equal to the first threshold), and finally filters out the drift distance. Move distance or data that exceeds the preset value of the movement distance. Finally, the current position coordinates are calculated based on the remaining data after filtering.
  • the smart watch can complete the positioning within 10 seconds.
  • the method includes the following steps:
  • the smart watch comprehensively analyzes the first positioning data and the second positioning data, filters out data in which the drift distance is greater than or equal to the first threshold, and calculates current position coordinates according to the remaining data after filtering, thereby improving positioning accuracy.
  • the smart watch comprehensively analyzes the first positioning data and the second positioning data, first removes the data with a large error, and then filters out the data whose drift is relatively serious (such as the data whose drift distance is greater than or equal to the first threshold). Finally, the current position coordinates are calculated based on the remaining data after filtering.
  • the smart watch can also utilize the pedometer for auxiliary positioning to further improve the positioning accuracy.
  • the smart watch acquires the moving distance through the pedometer, and filters the first positioning data and the second positioning data by using the moving distance, such as filtering out the drift distance of the first positioning data and the second positioning data beyond the moving distance or exceeding the movement.
  • the data of the preset value is calculated, and finally the current position coordinates are calculated according to the data remaining after the filtering.
  • the smart watch activates the pedometer, uses the pedometer to calculate the number of steps the user moves, and converts the number of steps moved into the moving distance (number of steps * distance per step).
  • the smart watch comprehensively analyzes the first positioning data and the second positioning data, first removes the data with large error, and then filters out the data whose drift is relatively serious (such as the data whose drift distance is greater than or equal to the first threshold). Finally, the data whose drift distance exceeds the moving distance or exceeds the preset value of the moving distance is filtered out. Finally, the current position coordinates are calculated based on the remaining data after filtering.
  • the data with large drift can be filtered out, thereby obtaining more accurate positioning, and solving the positioning accuracy of the satellite positioning system just after starting.
  • the method includes the following steps:
  • step S33 Using ephemeris data for satellite positioning. It is judged whether the positioning is successful, when the positioning is successful, the process proceeds to step S34; when the positioning fails, the process proceeds to step S35.
  • the smart watch before the positioning is successful, directly calculates the current position coordinate according to the first positioning data, and avoids waiting for a long time; when the positioning is successful, the current positioning is calculated by combining the first positioning data and the second positioning data. Position coordinates to improve positioning accuracy. Thereby further shortening the positioning waiting time of the smart watch.
  • the smart watch can also use the pedometer to assist positioning and improve the positioning accuracy. Specifically, the smart watch acquires the moving distance through the pedometer, filters the first positioning data by using the moving distance, and calculates the current position coordinate according to the remaining data after the filtering. Therefore, the maximum moving distance in a short time can be calculated, thereby avoiding the occurrence of a motion route or path that does not conform to the actual situation in the positioning opening phase.
  • the smart watch activates the pedometer, uses the pedometer to calculate the number of steps the user moves, and converts the number of steps moved into the moving distance (number of steps * distance per step).
  • the smart watch analyzes the first positioning data, first removes the data with large error, and then filters out the data with more serious drift (such as the drift distance is greater than or equal to the first threshold), and finally filters out the drift distance. Move distance or data that exceeds the preset value of the movement distance. Finally, the current position coordinates are calculated based on the remaining data after filtering.
  • the first positioning data obtained by the positioning of the mobile terminal is directly used to complete the position initialization, thereby avoiding waiting for a long time, thereby further shortening the positioning waiting time of the smart watch, and shortening the positioning waiting time to 3 Within seconds.
  • the method includes the following steps:
  • step S43 Perform satellite positioning using ephemeris data. It is judged whether the positioning is successful, when the positioning fails, the process proceeds to step S44; when the positioning is successful, the process proceeds to step S45.
  • step S46 Determine whether the positioning of the satellite positioning system tends to be accurate. When it is preferable to proceed to step S47.
  • steps S46 and S47 are added on the basis of the third embodiment.
  • the mobile terminal determines that the positioning of the satellite positioning system itself is accurate, the mobile terminal is notified to stop the satellite positioning, and the satellite positioning system of the machine is directly used. Get ephemeris data for positioning. After receiving the notification information, the mobile terminal no longer sends data to the smart watch, and turns off the satellite positioning system and the auxiliary satellite positioning system to avoid unnecessary consumption of power by the mobile terminal.
  • the smart watch can judge whether the positioning of the satellite positioning system is accurate by the following methods:
  • the smart watch determines whether the second positioning data is close to the first positioning data, such as determining whether the error (or the gap, the distance) of the two is lower than a preset value, and determining that the two are close when the value is lower than the preset value. Otherwise, it is determined that the two are not close; if the second positioning data is close to the first positioning data, it is determined that the positioning of the satellite positioning system tends to be accurate, otherwise the positioning of the satellite positioning system is determined to be not accurate enough.
  • the smart watch determines whether the running time of the satellite positioning system exceeds a second threshold, that is, whether the duration of the satellite watch system after the satellite positioning system starts to exceed the second threshold; if the running time of the satellite positioning system exceeds the second threshold, then It is determined that the positioning of the satellite positioning system tends to be accurate, otherwise the positioning of the satellite positioning system is not accurate enough.
  • the second threshold can be set according to actual needs, such as set to 1-3 minutes.
  • the satellite positioning method notifies the mobile terminal to perform satellite positioning when the satellite positioning system is started, obtains ephemeris data quickly by using the satellite positioning system and the interconnection network of the mobile terminal, and rapidly locates the ephemeris data transmitted by the mobile terminal. .
  • the rapid positioning of the satellite positioning system during cold start is realized, which greatly shortens the positioning waiting time of the satellite positioning system during cold start, and improves the user experience.
  • the first positioning data sent by the mobile terminal and the second positioning data obtained by the local positioning are used to calculate the current position coordinates, so that the positioning is more accurate, and the technical problem of poor positioning accuracy when the satellite positioning system is just started is solved.
  • the positioning can be completed within 10 seconds in an outdoor open environment, and the phenomenon of large drift of the initial positioning trajectory is greatly reduced.
  • the apparatus includes a first notification module 10, a data receiving module 20, and a satellite positioning module 30, wherein: a first notification module 10 is used as a satellite positioning system.
  • a first notification module 10 is used as a satellite positioning system.
  • the mobile terminal is notified to perform satellite positioning;
  • the data receiving module 20 is configured to receive positioning assistance data sent by the mobile terminal, the positioning assistance data includes ephemeris data, and the satellite positioning module 30 is configured to perform satellite positioning by using ephemeris data.
  • the notification information is sent to the mobile terminal by using a wireless communication method such as Bluetooth or WIFI, so that the mobile terminal starts the satellite positioning system and the auxiliary satellite positioning system according to the notification information.
  • the satellite positioning system and the satellite positioning system are used for rapid satellite positioning to obtain ephemeris data and first positioning data.
  • Auxiliary satellite positioning system is a technology for positioning mobile stations by combining network base station information and satellite positioning information. It not only utilizes satellite positioning system but also mobile base station, which not only solves the problem of satellite positioning system coverage, but also can be used in satellite positioning system. Quickly locate with the help of the Internet when you first started.
  • the ephemeris data is sent to the smart watch as the positioning assistance data, and the data receiving module 20 receives the ephemeris data sent by the mobile terminal by using a wireless communication method such as Bluetooth or WIFI.
  • a wireless communication method such as Bluetooth or WIFI.
  • the data acquisition module directly uses the ephemeris data sent by the mobile terminal to perform satellite positioning quickly.
  • the specific positioning method is the same as the prior art, and is not described here.
  • the satellite positioning module 30 acquires the second positioning data, and calculates the current position coordinates according to the second positioning data.
  • the satellite positioning module 30 can also use the pedometer to perform auxiliary positioning to improve positioning accuracy. Specifically, the satellite positioning module 30 acquires the moving distance through the pedometer, filters the second positioning data by using the moving distance, and calculates the current position coordinate according to the remaining data after the filtering.
  • the satellite positioning module 30 activates the pedometer, uses the pedometer to calculate the number of steps the user moves, and converts the number of steps moved to the moving distance (number of steps * distance per step).
  • the satellite positioning module 30 analyzes the second positioning data, first removes the data with large error, and then filters out the data whose drift is relatively serious (such as the data whose drift distance is greater than or equal to the first threshold), and finally filters out the drift. Data that exceeds the travel distance or exceeds the preset value of the travel distance. Finally, the current position coordinates are calculated based on the remaining data after filtering.
  • the ephemeris data transmitted by the mobile terminal is used for rapid positioning, thereby realizing the rapid positioning of the satellite positioning system during cold start, which greatly shortens the coldness of the satellite positioning system.
  • the positioning wait time at startup improves the user experience.
  • the apparatus further includes a first calculating module 40, and the positioning assistance data received by the data receiving module 20 further includes positioning of the mobile terminal.
  • the first positioning module 40 is configured to: when the positioning is successful, acquire the second positioning data, and calculate the current position coordinates by combining the first positioning data and the second positioning data.
  • the first calculation module 40 includes a first filtering unit 41 and a first computing unit 42 as shown in FIG. 7, wherein: the first filtering unit 41 is configured to comprehensively analyze the first positioning data and the second Positioning data, filtering out data in which the drift distance is greater than or equal to the first threshold; the first calculating unit 42 is configured to calculate current position coordinates according to the remaining data after filtering.
  • the first filtering unit 41 performs comprehensive analysis on the first positioning data and the second positioning data, first removing data with a large error, and then filtering out data in which the drift is relatively serious (for example, the drift distance is greater than or equal to the first threshold). Data), finally the first calculation unit 42 calculates the current position coordinates based on the data remaining after the filtering.
  • the first calculating module 40 includes a distance acquiring unit 43, a second filtering unit 44, and a second calculating unit 45, as shown in FIG. 8, wherein: the distance obtaining unit 43 is configured to obtain by the pedometer The second filtering unit 44 is configured to filter the first positioning data and the second positioning data by using the moving distance, such as filtering out the drift distance in the first positioning data and the second positioning data beyond the moving distance or exceeding the moving distance. The data of the value is set; the second calculating unit 45 is configured to calculate the current position coordinate according to the data remaining after the filtering.
  • the distance acquisition unit 43 activates the pedometer, calculates the number of steps of the user's movement using the pedometer, and converts the number of steps moved into the moving distance (the number of steps * the distance of each step).
  • the second filtering unit 44 performs comprehensive analysis on the first positioning data and the second positioning data, first removes the data with large error, and then filters out the data whose drift is relatively serious (for example, the drift distance is greater than or equal to the first threshold). Data), finally filtering out the data whose drift distance exceeds the moving distance or exceeds the preset value of the moving distance.
  • the current position coordinates are calculated based on the remaining data after filtering.
  • the data with large drift can be filtered out, thereby obtaining more accurate positioning, and solving the positioning accuracy of the satellite positioning system just after starting.
  • the device further includes a second calculating module 50, configured to: when the positioning fails, directly according to the first The positioning data calculates the current position coordinates. Thereby avoiding long waits, one step shortens the positioning waiting time of the smart watch.
  • the pedometer can be used for auxiliary positioning to improve the positioning accuracy.
  • the second calculating module 50 obtains the moving distance through the pedometer, and filters the first positioning data by using the moving distance, for example, filtering out the data in which the drift distance exceeds the moving distance or exceeds the preset value of the moving distance in the first positioning data.
  • the current position coordinates are calculated based on the remaining data after filtering.
  • the second calculation module 50 activates the pedometer, uses the pedometer to calculate the number of steps the user moves, and converts the number of steps moved into the moving distance (the number of steps * the distance of each step).
  • the second calculation module 50 analyzes the first positioning data, first removes the data with a large error, and then filters out the data whose drift is relatively serious (such as the data whose drift distance is greater than or equal to the first threshold), and finally filters out Data whose drift distance exceeds the travel distance or exceeds the preset value of the travel distance.
  • the current position coordinates are calculated based on the remaining data after filtering.
  • the first positioning data obtained by the positioning of the mobile terminal is directly used to complete the position initialization, thereby avoiding waiting for a long time, thereby further shortening the positioning waiting time of the smart watch, and shortening the positioning waiting time to 3 Within seconds.
  • the apparatus further includes a positioning determining module 60 and a second notifying module 70, wherein: the positioning determining module 60 is configured to determine the satellite positioning. Whether the positioning of the system tends to be accurate; the second notification module 70 is configured to notify the mobile terminal to stop the satellite positioning if the positioning of the satellite positioning system is accurate, so that the first calculating module 40 directly uses the second positioning data to calculate the current Position coordinates.
  • the mobile terminal After receiving the notification information of the second notification module 70, the mobile terminal no longer sends data to the smart watch, and turns off the satellite positioning system and the auxiliary satellite positioning system to avoid unnecessary consumption of power by the mobile terminal.
  • the location determining module 60 includes a first determining unit 61 and a first determining unit 62, where the first determining unit 61 is configured to determine whether the second positioning data is close to the first positioning data.
  • the first determining unit 62 is configured to determine that the positioning of the satellite positioning system tends to be accurate if the second positioning data is close to the first positioning data, otherwise the positioning of the satellite positioning system is determined to be not accurate enough.
  • the first determining unit 61 may determine whether the error (or the gap, the distance) of the second positioning data and the first positioning data is lower than a preset value, and if it is lower than the preset value, determine that the two are close, otherwise, the two are not determined. Close.
  • the positioning determining module 60 includes a second determining unit 63 and a second determining unit 64, as shown in FIG. 12, wherein: the second determining unit 63 is configured to determine whether the running time of the satellite positioning system exceeds a second threshold. That is, whether the duration of the smart watch starts the satellite positioning system exceeds the second threshold; the second determining unit 64 is configured to determine that the positioning of the satellite positioning system is accurate if the running time after the satellite positioning system is started exceeds the second threshold. Otherwise, the positioning of the satellite positioning system is not accurate enough.
  • the second threshold can be set according to actual needs, such as set to 1-3 minutes.
  • the positioning judging module 60 can determine whether the positioning of the satellite positioning system is more accurate by using other methods in the prior art, which is not limited by the present invention.
  • the satellite positioning device of the embodiment of the invention notifies the mobile terminal to perform satellite positioning when the satellite positioning system is started, acquires ephemeris data quickly by using the satellite positioning system and the internetwork of the mobile terminal, and rapidly locates the ephemeris data transmitted by the mobile terminal. .
  • the rapid positioning of the satellite positioning system is realized, the positioning waiting time of the satellite positioning system during cold start is greatly shortened, and the user experience is improved.
  • the first positioning data sent by the mobile terminal and the second positioning data obtained by the local positioning are used to calculate the current position coordinates, so that the positioning is more accurate, and the technical problem of poor positioning accuracy when the satellite positioning system is just started is solved.
  • the present invention also contemplates a smart watch that includes a memory, a processor, and at least one application stored in the memory and configured to be executed by the processor, the application being configured to perform a satellite positioning method.
  • the satellite positioning method includes the following steps: when the satellite positioning system is activated, notifying the mobile terminal to perform satellite positioning; receiving positioning assistance data sent by the mobile terminal, the positioning assistance data includes at least ephemeris data; and using the ephemeris data for satellite positioning.
  • the satellite positioning method described in this embodiment is a satellite positioning method according to the foregoing embodiment of the present invention, and details are not described herein again.
  • the present invention includes apparatus that is directed to performing one or more of the operations described herein. These devices may be specially designed and manufactured for the required purposes, or may also include known devices in a general purpose computer. These devices have computer programs stored therein that are selectively activated or reconfigured.
  • Such computer programs may be stored in a device (eg, computer) readable medium or in any type of medium suitable for storing electronic instructions and coupled to a bus, respectively, including but not limited to any Types of disks (including floppy disks, hard disks, optical disks, CD-ROMs, and magneto-optical disks), ROM (Read-Only Memory), RAM (Random Access Memory), EPROM (Erasable Programmable) Read-Only Memory, EEPROM (Electrically Erasable) Programmable Read-Only Memory, flash memory, magnetic card or light card.
  • a readable medium includes any medium that is stored or transmitted by a device (eg, a computer) in a readable form.
  • each block of the block diagrams and/or block diagrams and/or flow diagrams and combinations of blocks in the block diagrams and/or block diagrams and/or flow diagrams can be implemented by computer program instructions. .
  • these computer program instructions can be implemented by a general purpose computer, a professional computer, or a processor of other programmable data processing methods, such that the processor is executed by a computer or other programmable data processing method.
  • steps, measures, and solutions in the various operations, methods, and processes that have been discussed in the present invention may be alternated, changed, combined, or deleted. Further, other steps, measures, and schemes of the various operations, methods, and processes that have been discussed in the present invention may be alternated, modified, rearranged, decomposed, combined, or deleted. Further, the steps, measures, and solutions in the prior art having various operations, methods, and processes disclosed in the present invention may also be alternated, changed, rearranged, decomposed, combined, or deleted.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
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Abstract

La présente invention concerne un procédé et un dispositif de positionnement par satellite et une montre intelligente. Le procédé comprend les étapes suivantes: quand un système de positionnement par satellite est lancé, le fait de commander à un terminal mobile d'effectuer un positionnement par satellite; la réception de données de positionnement auxiliaires envoyées par le terminal mobile, les données de positionnement auxiliaires comprenant au moins des données d'éphémérides; et la mise en œuvre d'un positionnement par satellite à l'aide des données d'éphémérides. Le système de positionnement par satellite du terminal mobile et Internet sont utilisés pour acquérir rapidement les données d'éphémérides, et un positionnement rapide est effectué en utilisant les données d'éphémérides envoyées par le terminal mobile, ce qui permet de réaliser un positionnement rapide lors d'un démarrage à froid du système de positionnement par satellite, ce qui réduit considérablement le temps d'attente de positionnement lors d'un démarrage à froid d'un système de positionnement par satellite et améliore l'expérience utilisateur. De plus, des premières données de positionnement envoyées par le terminal mobile et des secondes données de positionnement acquises par la montre intelligente par elle-même sont combinées pour le calcul de coordonnées de position de l'instant, de sorte que le positionnement est plus précis, en résolvant le problème technique associé à une précision médiocre du positionnement quand un système de positionnement par satellite a juste été lancé.
PCT/CN2018/071644 2018-01-05 2018-01-05 Procédé et dispositif de positionnement par satellite, et montre intelligente WO2019134137A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111077547A (zh) * 2019-12-26 2020-04-28 合肥移顺信息技术有限公司 定位方法及装置
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WO2023023893A1 (fr) * 2021-08-23 2023-03-02 广东高驰运动科技有限公司 Procédé et appareil permettant de positionner un dispositif portable intelligent, dispositif et support de stockage

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