WO2015131398A1 - 定位设备间数据共享的方法及装置 - Google Patents
定位设备间数据共享的方法及装置 Download PDFInfo
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- WO2015131398A1 WO2015131398A1 PCT/CN2014/073060 CN2014073060W WO2015131398A1 WO 2015131398 A1 WO2015131398 A1 WO 2015131398A1 CN 2014073060 W CN2014073060 W CN 2014073060W WO 2015131398 A1 WO2015131398 A1 WO 2015131398A1
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- Prior art keywords
- positioning device
- positioning
- auxiliary data
- data
- location information
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- 238000000034 method Methods 0.000 title claims abstract description 69
- 238000004891 communication Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
-
- 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
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
-
- 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
-
- 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
- G01S19/258—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to the satellite constellation, e.g. almanac, ephemeris data, lists of satellites in view
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Definitions
- Embodiments of the present invention relate to communication technologies, and in particular, to a method and apparatus for data sharing between positioning devices. Background technique
- positioning devices include mobile phones and vehicle terminals with positioning functions.
- the user opens the positioning function through the application layer interface of the positioning device.
- the operating system in the positioning device calls the Global Positioning System (GPS) module according to the command issued by the application layer interface, so that the GPS module in the enabled state and the GPS module are enabled. Satellite communication and obtaining the auxiliary data transmitted by the satellite and the original geographical location information of the vehicle, the GPS software in the operating system processes the auxiliary data and the original geographical location information of the vehicle to obtain accurate latitude and longitude information of the location of the vehicle, the auxiliary data It is a set of data about satellites used to calibrate the original geographic location information of the vehicle to derive latitude and longitude information.
- GPS Global Positioning System
- the positioning device needs to communicate with the satellite to obtain the auxiliary data, and the process of acquiring the auxiliary data takes time. Consumed, resulting in lower positioning speed of the positioning device.
- Embodiments of the present invention provide a method and apparatus for data sharing between positioning devices to improve the positioning speed of the positioning device.
- An aspect of an embodiment of the present invention provides a method for locating data sharing between devices, including:
- the first positioning device acquires the auxiliary data from the positioning server, where the auxiliary data is used for the first positioning device to perform positioning according to the original geographical location information corresponding to the first positioning device;
- the first positioning device sends the auxiliary data to the second positioning device, where the second positioning device performs positioning according to the auxiliary data and the original geographical location information corresponding to the second positioning device;
- the second positioning device is located in the same local area network as the first positioning device.
- Another aspect of the embodiments of the present invention provides a method for locating data sharing between devices, including:
- the second positioning device receives the auxiliary data sent by the first positioning device, where the auxiliary data is obtained by the first positioning device from the positioning server, and the first positioning device is combined with the original corresponding to the first positioning device.
- Geographic location information for positioning data
- the second positioning device performs positioning according to the auxiliary data and the original geographical location information corresponding to the second positioning device; the second positioning device and the first positioning device are located in the same local area network.
- a first positioning device including: an obtaining module, configured to acquire auxiliary data from a positioning server, where the auxiliary data is used by the first positioning device to combine the first Positioning the original geographical location information corresponding to the device;
- a sending module configured to send the auxiliary data to the second positioning device, where the second positioning device performs positioning according to the auxiliary data and original geographic location information corresponding to the second positioning device;
- the positioning device is located in the same local area network as the first positioning device.
- a second positioning device including: a receiving module, configured to receive auxiliary data sent by a first positioning device, where the auxiliary data is obtained by the first positioning device from a positioning server Data for positioning by the first positioning device in combination with original geographic location information corresponding to the first positioning device;
- a positioning module configured to perform positioning according to the auxiliary data and original geographic location information corresponding to the second positioning device.
- a first positioning device including a receiver and a transmitter, where:
- the receiver is configured to obtain auxiliary data from a positioning server, where the auxiliary data is used by the first positioning device to perform original geographic location information corresponding to the first positioning device.
- the transmitter is configured to send the auxiliary data to the second positioning device, where the second positioning device performs positioning according to the auxiliary data and the original geographical location information corresponding to the second positioning device;
- the positioning device is located in the same local area network as the first positioning device.
- Another aspect of the embodiments of the present invention provides a second positioning apparatus, including a receiver and a processor, where:
- the receiver is configured to receive the auxiliary data sent by the first positioning device, where the auxiliary data is obtained by the first positioning device from the positioning server, and is configured by the first positioning device to be combined with the first positioning device.
- Raw geographical location information for positioning data
- the processor is configured to perform positioning according to the auxiliary data and the original geographical location information corresponding to the second positioning device; the second positioning device and the first positioning device are located in the same local area network.
- Another aspect of the embodiments of the present invention provides a system for locating data sharing between devices, including the first positioning device and the second positioning device.
- the method and device for sharing data between positioning devices provided by the embodiments of the present invention, by sharing auxiliary data between positioning devices, so that the positioning device directly uses the shared auxiliary data instead of communicating with the satellite to obtain the same auxiliary data for positioning, saving The time consumption of the positioning device communicating with the satellite to obtain the auxiliary data improves the positioning speed of the positioning device.
- FIG. 1 is a flowchart of a method for data sharing between positioning devices according to an embodiment of the present invention
- FIG. 2 is a flowchart of a method for data sharing between positioning devices according to another embodiment of the present invention
- FIG. 3 is a flowchart of another embodiment of the present invention.
- FIG. 4 is a flowchart of a method for data sharing between positioning devices according to another embodiment of the present invention
- FIG. 5 is a structural diagram of a first positioning device according to an embodiment of the present invention.
- FIG. 6 is a structural diagram of a second positioning apparatus according to an embodiment of the present invention.
- FIG. 7 is a structural diagram of a second positioning apparatus according to another embodiment of the present invention.
- FIG. 8 is a structural diagram of a system for data sharing between positioning devices according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
- FIG. 8 is a structural diagram of a system for data sharing between positioning devices according to an embodiment of the present invention.
- first, second, etc. may be used to describe various positioning devices in embodiments of the invention, these positioning devices should not be limited to these terms. These terms are only used to distinguish positioning devices from each other.
- the first bit device may also be referred to as a second positioning device without departing from the scope of the embodiments of the present invention.
- the second positioning device may also be referred to as a first positioning device.
- FIG. 1 is a flowchart of a method for data sharing between positioning devices according to an embodiment of the present invention.
- the embodiment of the present invention is applicable to sharing auxiliary data between a plurality of positioning devices in a vehicle, so that the positioning device receiving the auxiliary data performs positioning according to the auxiliary data, and the specific method for sharing data between the positioning devices is as follows:
- Step S101 The first positioning device acquires the auxiliary data from the positioning server, where the auxiliary data is used by the first positioning device to perform positioning according to the original geographical location information corresponding to the first positioning device.
- the first locating device may be any locating device, such as a mobile phone or a vehicular terminal, and the like.
- the first positioning device acquires auxiliary data from a positioning server such as a satellite, specifically, the first positioning device sends an auxiliary data acquisition request to the satellite, and the satellite returns auxiliary data to the first positioning device, where the auxiliary data is a set of data about the satellite.
- a positioning server such as a satellite
- the first positioning device sends an auxiliary data acquisition request to the satellite
- the satellite returns auxiliary data to the first positioning device, where the auxiliary data is a set of data about the satellite.
- the location information is used for the location, and the first location device uses the auxiliary data to calibrate the original geographic location information corresponding to the first location device to obtain the latitude and longitude information corresponding to the geographic location where the first location device is located.
- Step S102 The first positioning device sends the auxiliary data to the second positioning device, where the second positioning device performs positioning according to the auxiliary data and the original geographical location information corresponding to the second positioning device.
- the second positioning device is located in the same local area network as the first positioning device.
- the second positioning device may be any device that can be located, for example, a mobile terminal or a mobile terminal, which is not limited in this embodiment of the present invention.
- the first positioning device and the second positioning device are located in the same local area network, for example, in the same vehicle, and the first positioning device sends the auxiliary data to the second positioning device by using a wireless transmission mode or a wired transmission manner, so that the second positioning device is used. And calibrating the original geographical location information corresponding to the second positioning device by using the auxiliary data to obtain the latitude and longitude information corresponding to the geographical location of the second positioning device.
- the embodiment of the present invention saves the positioning device to communicate with the satellite to obtain the auxiliary data by sharing the auxiliary data between the positioning devices, so that the positioning device directly uses the shared auxiliary data instead of communicating with the satellite to obtain the same auxiliary data for positioning. Time consumption increases the positioning speed of the positioning device.
- the acquiring, by the first positioning device, the auxiliary data from the positioning server includes: the first positioning device acquiring auxiliary data from the positioning server, and parsing the auxiliary data, where the auxiliary data includes the following A combination of one or more data in the data: ephemeris, almanac, time, and status data.
- the first positioning device parses the auxiliary data obtained from the positioning server, and specifically analyzes the auxiliary data by using a fireware chip in the first positioning device, and the auxiliary data parsed includes ephemeris, almanac, time and status data.
- the ephemeris, almanac, time and state data included in the auxiliary data are state data corresponding to the ephemeris, the almanac, the time, and the state information of the satellite at the moment when the satellite transmits the auxiliary data, and the ephemeris, the annual calendar
- the time and status data form an array, the array being stored in the first positioning device.
- the original geographic location information corresponding to the first positioning device is information that is sent by the positioning server to the first positioning device during the positioning process, and the original geographic location information corresponding to the second positioning device Is that the second positioning device is in the positioning process The information sent by the location server to the second positioning device.
- the embodiment of the present invention specifically explains the specific information included in the auxiliary data and the original address location information acquired by the positioning device from the satellite when performing the positioning operation.
- the first positioning device sends the auxiliary data to the second positioning device, where the second positioning device is configured according to the auxiliary data and the original geographic location corresponding to the second positioning device.
- Positioning the location information includes: the first positioning device transmitting the auxiliary data to the second positioning device, wherein the second positioning device stores the auxiliary data in a local memory, and setting a flag bit, The flag is used to identify that the auxiliary data is stored locally.
- the second positioning device performs the positioning operation, the positioning is performed according to the auxiliary data and the original geographical location information corresponding to the second positioning device.
- the second positioning device After the first positioning device sends the auxiliary data to the second positioning device, the second positioning device first stores the auxiliary data in the local storage, and sets a flag bit, indicating that the auxiliary data is stored locally, when the second positioning When performing the positioning operation, the device receives the original geographical location information when the second positioning device sent by the satellite performs the positioning operation, and uses the locally stored auxiliary data to obtain the corresponding auxiliary data from the satellite to calibrate the corresponding corresponding to the second positioning device.
- Original geographical location information to obtain accurate latitude and longitude information of IJ.
- the positioning device sets the flag bit when receiving the auxiliary data, so that the positioning device determines whether the shared auxiliary data is stored locally according to the flag bit, thereby saving the positioning device from communicating with the satellite to obtain the auxiliary data.
- Time consumption increases the positioning speed of the positioning device.
- FIG. 2 is a flowchart of a method for data sharing between positioning devices according to another embodiment of the present invention.
- the embodiment of the present invention is applicable to sharing auxiliary data between a plurality of positioning devices in a vehicle, so that the positioning device receiving the auxiliary data performs positioning according to the auxiliary data, and the specific method for sharing data between the positioning devices is as follows:
- Step S201 The second positioning device receives the auxiliary data sent by the first positioning device, where the auxiliary data is obtained by the first positioning device from the positioning server, and the first positioning device is combined with the first positioning device. Corresponding original geographical location information for positioning data;
- the first positioning device may be any device that can be located, for example, a mobile phone or an in-vehicle terminal, which is not limited in this embodiment of the present invention.
- the first positioning device acquires auxiliary data from a positioning server such as a satellite, specifically, the first positioning device sends an auxiliary data acquisition request to the satellite, the satellite Returning the auxiliary data to the first positioning device, where the auxiliary data is a set of data about the satellite, and is used for the first positioning device to perform the positioning by combining the original geographical location information corresponding to the first positioning device, specifically
- the locating device calibrates the original geographical location information corresponding to the first positioning device by using the auxiliary data to obtain the latitude and longitude information corresponding to the geographical location of the first positioning device.
- the first positioning device sends the auxiliary data to the second positioning device by using a wireless transmission manner or a wired transmission manner. .
- Step S202 The second positioning device performs positioning according to the auxiliary data and the original geographical location information corresponding to the second positioning device.
- the second positioning device and the first positioning device are located in the same local area network.
- the second positioning device may be any device that can be located, for example, a mobile phone or an in-vehicle terminal, which is not limited in this embodiment of the present invention.
- the first positioning device and the second positioning device are located in the same local area network, for example, in the same vehicle, and the second positioning device uses the auxiliary data sent by the first positioning device to calibrate the original geographical location information corresponding to the second positioning device to obtain the second positioning.
- the latitude and longitude information corresponding to the geographical location of the device is not limited in this embodiment of the present invention.
- the embodiment of the present invention saves the positioning device to communicate with the satellite to obtain the auxiliary data by sharing the auxiliary data between the positioning devices, so that the positioning device directly uses the shared auxiliary data instead of communicating with the satellite to obtain the same auxiliary data for positioning. Time consumption increases the positioning speed of the positioning device.
- the auxiliary data is data that is acquired and parsed by the first positioning device from the positioning server, and the auxiliary data includes a combination of one or more of the following data: a star Calendar, calendar, time and status data.
- the first positioning device parses the auxiliary data obtained from the positioning server, and specifically analyzes the auxiliary data by using the ireware chip in the first positioning device, and the auxiliary data parsed includes ephemeris, almanac, time and status data.
- the auxiliary data includes ephemeris, almanac, time, and status data.
- the ephemeris, almanac, time and state data included in the auxiliary data are state data corresponding to the ephemeris, the almanac, the time, and the state information of the satellite at the moment when the satellite transmits the auxiliary data, and the ephemeris, the annual calendar , time and status data form an array stored in the positioning device.
- the original geographic location information corresponding to the first positioning device is information that is sent by the positioning server to the first positioning device during the positioning process by the first positioning device;
- the original geographical location information corresponding to the bit device is information that the second positioning device sends to the second positioning device during the positioning process.
- the embodiment of the present invention specifically explains the specific information included in the auxiliary data and the original address location information acquired by the positioning device from the satellite when performing the positioning operation.
- FIG. 3 is a flowchart of a method for data sharing between positioning devices according to another embodiment of the present invention.
- Step S202 specifically includes the following steps on the basis of the foregoing embodiment:
- Step S303 The second positioning device stores the auxiliary data in a local memory, and sets a flag bit, where the flag bit is used to identify that the auxiliary data is stored locally;
- the second positioning device After the first positioning device sends the auxiliary data to the second positioning device, the second positioning device first stores the auxiliary data in the local storage, and sets a flag bit, indicating that the auxiliary data is already stored locally.
- Step S304 When the second positioning device performs the positioning operation, perform positioning according to the auxiliary data and the original geographical location information corresponding to the second positioning device.
- the second positioning device When the second positioning device performs the positioning operation, and receives the original geographical location information when the second positioning device sent by the satellite performs the positioning operation, and uses the locally stored auxiliary data without obtaining the same auxiliary data calibration from the satellite.
- the original geographic location information corresponding to the second positioning device is used to obtain accurate latitude and longitude information.
- the positioning device sets the flag bit when receiving the auxiliary data, so that the positioning device determines whether the shared auxiliary data is stored locally according to the flag bit, thereby saving the positioning device from communicating with the satellite to obtain the auxiliary data.
- Time consumption increases the positioning speed of the positioning device.
- FIG. 4 is a flowchart of a method for data sharing between positioning devices according to another embodiment of the present invention.
- the method for the data sharing between the locating devices provided by the embodiment of the present invention is as follows: Step S401: The operating system of the first locating device sends an RPC command through the RPC Socket; the operating system in the first locating device passes the RPC Socket. Sending an RPC command to the GPS module, step S402, and acquiring, by the first positioning device, the GPS module, the auxiliary data;
- the GPS module of the first positioning device acquires the auxiliary data by communicating with the satellite according to the RPC command.
- Step S403 The first positioning device fireware chip parses the auxiliary data.
- the f ireware chip of the first positioning device parses the auxiliary data acquired by the GPS module. Step S404, the first positioning device h2d-thread encapsulates the auxiliary data;
- the h2d-thread thread of the first positioning device encapsulates the auxiliary data into a data group, and the elements in the data group include ephemeris, almanac, time, and status data.
- Step S405 The first positioning device event loop daemon thread encapsulates the auxiliary data into the wireless transmission message.
- the eventloop daemon thread of the first positioning device encapsulates each element in the data group corresponding to the auxiliary data into the wireless transmission message.
- Step S406 The first positioning device transmits the auxiliary data by using Bluetooth.
- the first positioning device transmits the auxiliary data to the second positioning device via Bluetooth.
- Step S407 the second positioning device eventloop daemon thread parses the auxiliary data; the eventloop daemon thread of the second positioning device parses the auxiliary data sent by the first positioning device;
- Step S408 The second positioning device sets a flag bit.
- the second positioning device sets a flag bit to identify that the second positioning device has received the auxiliary data.
- Step S409 The second positioning device stores the auxiliary data in the local storage; or performs an injection operation on the auxiliary data;
- the second positioning device stores the auxiliary data in the local storage; or performs an injection operation on the auxiliary data, that is, the second positioning device inputs the auxiliary data to the fireware chip in the second positioning device, so that the fireware chip pairs the auxiliary data and
- the original geographical location information corresponding to the second positioning device is processed to implement positioning.
- Step S410 The second positioning device application layer invokes
- the application layer of the second positioning device calls the auxiliary data stored in the local memory, or calls the processing result of the fireware chip.
- the embodiment of the present invention saves the positioning device to communicate with the satellite to obtain the auxiliary data by sharing the auxiliary data between the positioning devices, so that the positioning device directly uses the shared auxiliary data instead of communicating with the satellite to obtain the same auxiliary data for positioning. Time consumption increases the positioning speed of the positioning device.
- FIG. 5 is a structural diagram of a first positioning device according to an embodiment of the present invention.
- the first positioning device provided by the embodiment of the present invention may perform the processing flow provided by the method for locating data sharing between devices.
- the first positioning device 50 includes an obtaining module 51 and a sending module 52.
- the obtaining module 51 is configured to obtain auxiliary data from the positioning server, where the auxiliary data is used for positioning by the first positioning device in combination with original geographic location information corresponding to the first positioning device;
- the auxiliary data is sent to the second positioning device, where the second positioning device performs positioning according to the auxiliary data and the original geographical location information corresponding to the second positioning device; the second positioning device and the first positioning device
- the devices are on the same LAN.
- the obtaining module 51 can be used to perform the method of step S101 in the foregoing embodiment, and the sending module 52 can be used to perform the method in step S102 in the foregoing embodiment.
- the sending module 52 can be used to perform the method in step S102 in the foregoing embodiment.
- the acquiring module 51 is further configured to receive original geographic location information corresponding to the first positioning device that is sent by the positioning server to the first positioning device by the positioning device during the positioning process.
- the receiving module 61 can be used to perform the method in step S201 in the foregoing embodiment.
- the positioning module 62 can be used to perform the method in step S202 in the foregoing embodiment. For details, refer to the description of the method in the foregoing embodiment. No longer.
- the auxiliary data received by the receiving module is data that is acquired and parsed by the first positioning device from the positioning server, and the auxiliary data includes one of the following data or A combination of multiple data: ephemeris, almanac, time, and status data.
- the receiving module 61 is further configured to receive original geographic location information corresponding to the second positioning device that is sent by the positioning server to the second positioning device by the positioning device during the positioning process.
- the storage unit 71 and the flag unit 72 can be used to perform the method of step S303 in the foregoing embodiment.
- the locating sub-unit 73 can be used to perform the method in step S304 in the foregoing embodiment. For details, refer to the method in the foregoing embodiment. The description is not repeated here.
- the positioning device sets the flag bit when receiving the auxiliary data, so that the positioning device determines whether the shared auxiliary data is stored locally according to the flag bit, thereby saving the positioning device from communicating with the satellite to obtain the auxiliary data. Time consumption, improve the positioning equipment Bit speed.
- the system for sharing data between the positioning devices provided by the embodiments of the present invention may perform the processing flow provided by the method embodiment for locating data sharing between devices.
- the first positioning device further includes a processor, the processor is configured to parse the auxiliary data acquired by the receiver from a positioning server, and the auxiliary data includes a combination of one or more of the following data: a star Calendar, calendar, time and status data.
- the receiver is further configured to receive original geographic location information corresponding to the first positioning device that is sent by the positioning server to the first positioning device during the positioning process by the first positioning device.
- Embodiments of the present invention save the positioning device to communicate with the satellite by using the auxiliary data shared between the positioning devices, so that the positioning device directly uses the shared auxiliary data instead of communicating with the satellite to obtain the same auxiliary data for positioning.
- the time consumption of the auxiliary data is obtained, and the positioning speed of the positioning device is improved.
- An embodiment of the present invention provides a second positioning device, which may perform a processing procedure provided by a method for locating data sharing between devices, where the second positioning device includes a receiver and a processor, and the receiver is configured to receive the first positioning.
- the auxiliary data sent by the device where the auxiliary data is obtained by the first positioning device from the positioning server, and configured by the first positioning device to be combined with the original geographical location information corresponding to the first positioning device;
- the processor is configured to perform positioning according to the auxiliary data and the original geographical location information corresponding to the second positioning device; the second positioning device and the first positioning device are located in the same local area network.
- the auxiliary data received by the receiver is data obtained and parsed by the first positioning device from the positioning server, and the auxiliary data includes a combination of one or more of the following data: ephemeris, Annual calendar, time and status data.
- the receiver is further configured to receive original geographic location information corresponding to the second positioning device that is sent by the positioning server to the second positioning device during the positioning process by the second positioning device.
- the processor is further configured to store the auxiliary data in a local memory, and set a flag bit, where the flag bit is used to identify that the auxiliary data is stored locally; when the second positioning device performs a positioning operation, And performing positioning according to the auxiliary data and the original geographical location information corresponding to the second positioning device.
- Embodiments of the present invention save the positioning device to communicate with the satellite by using the auxiliary data shared between the positioning devices, so that the positioning device directly uses the shared auxiliary data instead of communicating with the satellite to obtain the same auxiliary data for positioning.
- the time consumption of the auxiliary data is obtained, and the positioning speed of the positioning device is improved.
- the system for sharing data between the positioning devices provided by the embodiments of the present invention may perform the processing flow provided by the method embodiment for locating data sharing between devices.
- the embodiment of the present invention allocates auxiliary data between the positioning devices, and the positioning device sets a flag bit when receiving the auxiliary data, so that the positioning device determines whether the shared auxiliary data is locally stored according to the flag bit.
- the time consumption of the positioning device to communicate with the satellite to obtain the auxiliary data is saved, and the positioning speed of the positioning device is improved.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a hardware plus software functional unit.
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US15/124,262 US20170019763A1 (en) | 2014-03-07 | 2014-03-07 | Method and apparatus for sharing data between positioning devices |
PCT/CN2014/073060 WO2015131398A1 (zh) | 2014-03-07 | 2014-03-07 | 定位设备间数据共享的方法及装置 |
CN201480009922.7A CN105191358A (zh) | 2014-03-07 | 2014-03-07 | 定位设备间数据共享的方法及装置 |
EP14884475.6A EP3104630B1 (en) | 2014-03-07 | 2014-03-07 | Method and apparatus for sharing data between positioning devices |
JP2016572866A JP2017508988A (ja) | 2014-03-07 | 2014-03-07 | 測位デバイス間でデータを共有するための方法および装置 |
Applications Claiming Priority (1)
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CN110187365A (zh) * | 2019-05-24 | 2019-08-30 | Oppo广东移动通信有限公司 | 一种定位方法、设备及系统 |
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JP6536095B2 (ja) * | 2015-03-11 | 2019-07-03 | 富士通株式会社 | コンテンツ配信方法、コンテンツ配信装置及びコンテンツ配信プログラム |
CN108780155B (zh) * | 2017-01-11 | 2021-03-09 | 华为技术有限公司 | 一种定位方法、终端及服务器 |
US10278029B2 (en) | 2017-09-21 | 2019-04-30 | Ford Global Technologies, Llc | Vehicle based communication of location data between external applications and devices |
US10775473B2 (en) * | 2018-04-27 | 2020-09-15 | Cubic Corporation | Correcting location data of connected vehicle |
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Also Published As
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EP3104630A1 (en) | 2016-12-14 |
EP3104630A4 (en) | 2017-01-25 |
US20170019763A1 (en) | 2017-01-19 |
JP2017508988A (ja) | 2017-03-30 |
CN105191358A (zh) | 2015-12-23 |
EP3104630B1 (en) | 2021-05-05 |
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