WO2016070767A1 - Procédé et dispositif d'acquisition de données de positionnement - Google Patents

Procédé et dispositif d'acquisition de données de positionnement Download PDF

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Publication number
WO2016070767A1
WO2016070767A1 PCT/CN2015/093578 CN2015093578W WO2016070767A1 WO 2016070767 A1 WO2016070767 A1 WO 2016070767A1 CN 2015093578 W CN2015093578 W CN 2015093578W WO 2016070767 A1 WO2016070767 A1 WO 2016070767A1
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Prior art keywords
user equipment
real
time
reported
wireless access
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PCT/CN2015/093578
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English (en)
Chinese (zh)
Inventor
段航
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高德软件有限公司
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Publication of WO2016070767A1 publication Critical patent/WO2016070767A1/fr

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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
    • 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
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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

Definitions

  • the present invention relates to the field of positioning data collection, and in particular to a positioning data collection method and apparatus.
  • satellite positioning signals can be used for positioning.
  • accurate positioning cannot be achieved.
  • the positioning data of the location is manually collected by the staff in advance, and the collected positioning data may include: location coordinates, and collecting terminal access at the location coordinates.
  • the information of the wireless access point and the base station, wherein the wireless access point may include a WIFI access point, etc., and the location coordinates may be determined by using an indoor map or the like.
  • the collected positioning data is uploaded to the server, and the server processes the collected positioning data, and stores the processed positioning data into the positioning database.
  • the data stored in the location database may include a correspondence between location coordinates and a wireless access point.
  • the server may perform positioning on the user equipment according to the information of the wireless access point detected by the user equipment according to the correspondence between the location coordinates stored in the positioning database and the wireless access point.
  • the collected positioning data is not limited to the above purposes, and other uses are not described herein.
  • the acquisition method has at least the following problems: 1) When the collected staff is not standardized, the result of the acquisition may also have a large error, resulting in an increase in positioning error. 2) In reality, there are a large number of areas that need to collect positioning data, and manual acquisition is difficult to meet the needs of large-area data collection.
  • the invention provides a positioning data collection method and device to achieve at least automatic acquisition of positioning data.
  • the invention provides a positioning data collection method, comprising:
  • Obtaining a real-time mobile parameter of the user equipment where the real-time mobile parameter includes: a real-time moving direction of the user equipment and a real-time moving step;
  • Real-time detecting information of the wireless access point and/or the base station accessed by the user equipment
  • the method further includes:
  • the method further includes:
  • Determining whether the moving distance is greater than the first preset distance value, and if yes, executing the real-time location coordinate reported to the user equipment by the server and the wireless detected by the user equipment The step of the information of the access point and/or the base station, wherein the moving distance of the real-time position coordinate of the user equipment to the reference coordinate is greater than the first preset distance value.
  • the determining a moving distance between the real-time location coordinates of the user equipment currently being reported and the real-time location coordinates of the user equipment that was last reported includes:
  • the difference is determined as the moving distance of the real-time location coordinates of the user equipment currently being reported and the real-time location coordinates of the user equipment that was last reported.
  • the invention also provides a positioning data collection device, the device comprising:
  • a first determining module configured to determine whether a positioning error of a satellite positioning signal of the user equipment is greater than a preset error upper limit value
  • a first acquiring module configured to acquire, when the result of the first determining module is YES, a reference coordinate of the user equipment, where the reference coordinate is the last time that the positioning error is less than the preset error upper limit value User position coordinates determined from satellite positioning signals;
  • a second acquiring module configured to acquire a real-time moving parameter of the user equipment, where the real-time moving parameter includes: a real-time moving direction of the user equipment and a real-time moving step;
  • a first determining module configured to determine real-time location coordinates of the user equipment according to a real-time moving direction of the user equipment, the real-time moving step, a preset moving step, and the reference coordinate;
  • a detecting module configured to detect information of a wireless access point and/or a base station accessed by the user equipment in real time
  • the reporting module is configured to report, to the server, real-time location coordinates of the user equipment, and information about the wireless access point and/or the base station detected by the user equipment.
  • the device further comprises:
  • a third acquiring module configured to acquire, by the user equipment currently being reported, the number of wireless access points and/or base stations detected by the user equipment;
  • a first comparison module configured to compare the number of wireless access points and/or base stations currently being reported to be compared with the number of wireless access points and/or base stations detected by the user equipment reported last time Relative
  • the first triggering module is configured to trigger the reporting module when the rate of change obtained by the first comparing module is greater than a preset rate of change threshold.
  • the device further comprises:
  • a second determining module configured to determine a moving distance of the real-time location coordinates of the user equipment currently being reported and the real-time location coordinates of the user equipment that was last reported;
  • a second determining module configured to determine whether the moving distance is greater than the first preset distance value
  • the second triggering module is configured to trigger the reporting module when the result of the second determining module is YES.
  • the second determining module comprises:
  • a first determining sub-module configured to determine a moving distance of the real-time position coordinate of the user equipment that is currently to be reported with respect to the reference coordinate, and a real-time position coordinate of the user equipment that was last reported, with respect to the reference coordinate The difference in moving distance;
  • the second determining sub-module is configured to determine the difference as the moving distance of the real-time location coordinates of the user equipment currently being reported and the real-time location coordinates of the user equipment that was last reported.
  • the positioning data collection method In the positioning data collection method provided by the present invention, firstly, when the positioning error of the satellite positioning signal of the user equipment is greater than a preset error upper limit value, the real-time moving parameter of the user equipment is obtained. Secondly, determining real-time position coordinates of the user equipment according to the real-time movement parameter. Finally, the detected real-time location coordinates of the user equipment, the wireless access point accessed by the user equipment, and/or the information of the base station are reported to the server.
  • the present invention determines whether the user enters the room by determining the relationship between the positioning error of the satellite positioning signal of the user equipment and the preset error upper limit value, and when the positioning error is greater than the error upper limit value, that is, determining
  • the real-time location coordinates of the user equipment are determined by real-time movement parameters of the user equipment acquired in real time, thereby realizing automatic collection of positioning data by the user equipment when the user enters the room.
  • FIG. 1 is a flowchart of a method for collecting positioning data according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a positioning data collection apparatus according to an embodiment of the present invention.
  • the satellite positioning signals are generated by a satellite positioning system, which may include, but is not limited to, a Global Positioning System (GPS), a China Beidou satellite system, a Galileo system in Europe, and the like.
  • GPS Global Positioning System
  • China Beidou satellite system a Galileo system in Europe, and the like.
  • the user equipment may include a mobile terminal, a tablet, a smart wearable device, and the like.
  • the user equipment includes at least one positioning module, such as a GPS module employing the GPS system described above, and the like.
  • the user device may also include a motion sensor for detecting a motion condition.
  • the user equipment acquires real-time mobile parameters of the user equipment, which may be acquired from a motion sensor on the user equipment, or obtained from a device with a function of collecting real-time mobile parameters associated with the user equipment.
  • a computer program unit which can include a processor and a storage device.
  • the computer program element can be stored in a storage device and the processor can execute a computer program unit.
  • FIG. 1 is a flowchart of a positioning data collection method according to an embodiment of the present invention. As shown in FIG. 1, the method includes the following steps (S101 to S106):
  • S101 Determine whether the positioning error of the satellite positioning signal of the user equipment is greater than a preset upper error limit. The value, if greater, then executes S102. If it is less, it waits for the next positioning signal.
  • the preset error upper limit value is determined by the technician according to the decay rule of the satellite positioning signal during the process of the user equipment entering the room from the outdoor, and the determined determining may be used to determine the positioning of the user equipment from the outdoor to the outdoor. difference.
  • S102 Acquire a reference coordinate of the user equipment, where the reference coordinate is a user position coordinate determined according to a satellite positioning signal when the positioning error is determined to be less than the preset error upper limit.
  • S103 Acquire a real-time mobile parameter of the user equipment, where the real-time mobile parameter includes: a real-time moving direction of the user equipment and a real-time moving step.
  • S104 Determine real-time location coordinates of the user equipment according to the real-time moving direction of the user equipment, the real-time moving step, the preset moving step, and the reference coordinate.
  • S105 Real-time detection of information of the wireless access point and/or the base station accessed by the user equipment.
  • Step S105 and step S101-104 are executed concurrently by two threads, and the numbering is only for the purpose of satisfying the sequence number in the writing process, and is not a limitation on the execution order.
  • S106 Report real-time location coordinates of the user equipment to the server, and information about the wireless access point and/or the base station detected by the user equipment.
  • the positioning error of the satellite positioning signal of the user equipment is determined by the accuracy of the satellite positioning signal. That is to say, the higher the accuracy of the satellite positioning signal, the smaller the positioning error.
  • the user equipment detects the positioning error of the satellite positioning signal in real time. When it is determined that the positioning error of the satellite positioning signal of the user equipment is greater than a preset error upper limit value, that is, when the user equipment enters the room, the real-time movement parameter of the user equipment is obtained.
  • step 102 it may be determined whether the positioning error of the satellite positioning signal continuously exceeds the upper limit of the error reaches a predetermined number of times, after reaching Step 102 is performed, or after determining that the positioning error of the satellite positioning signal of the user equipment is gradually increased from a small value to a predetermined upper error limit value, step 102 is performed. Other methods are not described here.
  • acquiring the real-time mobile parameter of the user equipment may be obtained from a motion sensor on the user equipment, or obtained from a device with a function of collecting real-time mobile parameters associated with the user equipment.
  • the device connected to the user equipment may be a smart watch with real-time mobile parameter collection capability, etc., and a common user may carry the smart watch with the smart watch when wearing the smart watch.
  • the user equipment makes an association connection, so that the user equipment can acquire the data of the smart watch.
  • determining the real-time location coordinates of the user equipment may determine the user according to the real-time moving direction of the user equipment, the real-time moving step, the preset moving step, and the reference coordinate by using an inertial navigation technique.
  • the real-time location coordinates of the device may include, but are not limited to, the following methods.
  • the real-time position coordinates are determined by combining the reference coordinates of the user equipment with the displacement of the user equipment with respect to the reference coordinates.
  • the real-time position coordinates may also be determined by combining the reference coordinates of the user equipment with the reference position of the user equipment with respect to the reference coordinate when the real-time position coordinates of the user equipment are determined for the first time. Each time the real-time position coordinates are determined, the real-time position coordinates are determined in conjunction with the displacement of the user equipment relative to the last determined real-time position coordinate with the closest last determined real-time position coordinate as a starting point. Above, the displacement can be calculated using the inertial navigation technique through the determined starting point and the acquired real-time movement parameters.
  • the subsequent real-time position coordinates can be calculated by using the reference coordinates as a starting point, which can improve the accuracy of the real-time position coordinates.
  • the error of the real-time position coordinates may increase due to the error of the real-time position coordinates.
  • the user position coordinate determined according to the satellite positioning signal is used as the reference coordinate when the positioning error of the satellite positioning signal is less than the preset error upper limit value, and the positioning of the satellite positioning signal is considered in the process.
  • the error may be large, and the satellite positioning accuracy is low. If the coordinates of the satellite positioning are directly used as reference coordinates, the accurate position of the user equipment may not be accurately reflected. Therefore, in an optional implementation manner of the embodiment of the present invention, when the positioning error of the last satellite positioning signal is less than the preset error upper limit value, the historical position before the moment is also considered, and the comprehensive historical position and the The position of the moment determines the coordinates of the user equipment and uses the coordinates as the reference coordinates.
  • the historical position can be a position within a set time, and the like. It is determined that the accuracy of the reference coordinates can be improved by the optional embodiment, and the accuracy of subsequent processing is further improved.
  • the wireless access point may include a WIFI access point; the base station in the mobile communication may include multiple types, which is not limited herein.
  • the information of the wireless access point includes at least a zone for unique use.
  • the identification information of the different wireless access points for example, the Media Access Control (MAC) address of the WIFI access point.
  • the information of the wireless access point may further include: an access point name of the WIFI access point, an encryption method of the WIFI access point, and the like.
  • the information of the base station includes at least information for uniquely identifying the base station.
  • only the wireless access point information accessed by the user equipment may be monitored, or only the base station information accessed by the user equipment may be detected, or the wireless access point and the base station accessed by the user equipment may also be detected at the same time. information. Specifically, when the user equipment does not insert a communication card (such as a mobile phone card), the user equipment does not detect the base station information.
  • a communication card such as a mobile phone card
  • the above-mentioned real-time detected wireless access point and/or base station may include one or more, and report information of multiple wireless access points and/or base stations to the server when there are multiple wireless access points and/or base stations.
  • the user terminal may scan the wireless access network signal, and the scanning behavior may be periodic or other forms, which are not enumerated here.
  • the information of the wireless access point is reported to the server, the information of the latest wireless access point detected is preferably reported.
  • reporting real-time location coordinates of the user equipment and information of the wireless access point and/or the base station to the server may increase the usage of the user equipment data traffic, and may increase the use of the computing resources of the user equipment, which may increase the user.
  • the power consumption of the device may increase the embodiments of the present invention.
  • the change of the wireless access point and/or the base station detected by the user equipment may include: adding a wireless access point, a base station, and/or reducing wireless access. Point, base station.
  • the change of the wireless access point and the base station reaches a preset condition, the above S106 is performed. For example, after the user equipment moves, several new wireless access points, base stations are added, or several wireless access points, base stations, or both increased and decreased wireless access points and base stations are reduced.
  • the number of wireless access points and/or base stations detected by the user equipment currently being reported may be acquired first.
  • the number of wireless access points and/or base stations currently being reported to be reported and the number of wireless access points and/or base stations detected by the user equipment reported last time The quantity is compared, and the rate of change of the quantity currently being reported is compared with the quantity reported last time. If the rate of change is greater than the preset rate of change threshold, the user equipment reports the real-time location coordinates of the user equipment and the information of the wireless access point and/or the base station detected by the user equipment to the server.
  • the real-time location coordinates of the user equipment are generally updated when the wireless access point and/or the base station detected by the user equipment changes.
  • the foregoing determining whether the change of the wireless access point and/or the base station detected by the user equipment reaches a preset condition may be performed between S104 and S106, or may be performed between S101 and S104.
  • the foregoing step S104 is performed, so that the real-time position coordinate of the user equipment can be avoided when the data is not required to be reported. At least, the occupation of computing resources of the user equipment can be reduced.
  • the moving distance of the real-time position coordinate of the user equipment relative to the real-time position coordinate of the last report may be calculated according to two real-time position coordinates, optionally considering that the reference coordinate is determined when the error of the satellite positioning signal is small. Therefore, the accuracy of the reference coordinates is higher relative to other real-time position coordinates of the user equipment.
  • the difference between the two distances is determined as the real-time position of the user equipment by determining the moving distance of the user equipment relative to the reference coordinate and the moving distance of the real-time position coordinate of the user equipment that was last reported relative to the reference coordinate.
  • the moving distance of the coordinate relative to the real-time position coordinate at the time of the last report thereby determining whether the moving distance reaches the first preset distance value. When the change value reaches the first preset distance value, S106 is performed.
  • FIG. 2 is a schematic structural diagram of a positioning data collection device according to an embodiment of the present invention. As shown in FIG. 2, the device includes the following modules (201 to 206). :
  • the first determining module 201 is configured to determine whether a positioning error of the satellite positioning signal of the user equipment is greater than a preset error upper limit value
  • the first obtaining module 202 is configured to acquire, when the result of the first determining module is YES, a reference coordinate of the user equipment, where the reference coordinate is the last time that the positioning error is less than the preset error upper limit.
  • the second obtaining module 203 is configured to acquire a real-time moving parameter of the user equipment, where the real-time moving parameter includes: a real-time moving direction of the user equipment and a real-time moving step;
  • the first determining module 204 is configured to determine real-time location coordinates of the user equipment according to the real-time moving direction of the user equipment, the real-time moving step, the preset moving step, and the reference coordinate;
  • the detecting module 205 is configured to detect information of the wireless access point and/or the base station accessed by the user equipment in real time;
  • the reporting module 206 is configured to report, to the server, real-time location coordinates of the user equipment, and information about the wireless access point and/or the base station detected by the user equipment.
  • the obtaining module 203 may be configured to acquire a mobile parameter of the user equipment from a motion sensor on the user equipment, or obtain a device with a function of collecting a mobile parameter that is associated with the user equipment.
  • the obtaining module 203 may be in the satellite positioning signal.
  • the moving parameter of the user equipment is obtained when the number of times that the strength is continuously lower than the preset value reaches a predetermined number of times, or when the preset value is lower than the preset value for a certain period of time.
  • the device may further include:
  • a third acquiring module configured to acquire the wireless access detected by the user equipment that is currently scheduled to be reported The number of points and/or base stations;
  • a first comparison module configured to compare the number of wireless access points and/or base stations currently being reported to be compared with the number of wireless access points and/or base stations detected by the user equipment that was last reported;
  • the first triggering module is configured to trigger the reporting module when the rate of change obtained by the first comparing module is greater than a preset rate of change threshold.
  • the device may further include:
  • a second determining module configured to determine a moving distance of the real-time location coordinates of the user equipment currently being reported and the real-time location coordinates of the user equipment that was last reported;
  • a second determining module configured to determine whether the moving distance is greater than the first preset distance value
  • the second triggering module is configured to trigger the reporting module when the result of the second determining module is YES.
  • the first time is reported that the moving distance of the real-time location coordinate of the user equipment to the reference coordinate is greater than the first preset distance value.
  • the second determining module includes:
  • a first determining sub-module configured to determine a moving distance of the real-time position coordinate of the user equipment that is currently to be reported with respect to the reference coordinate, and a real-time position coordinate of the user equipment that was last reported, with respect to the reference coordinate The difference in moving distance;
  • the second determining sub-module is configured to determine the difference as the moving distance of the real-time location coordinates of the user equipment currently being reported and the real-time location coordinates of the user equipment that was last reported.
  • the first time is reported as the moving distance of the real-time position coordinate of the user equipment to the reference coordinate reaches the first preset distance value.
  • the first determining module 204 may include:
  • a first determining unit configured to determine the real-time position coordinate by using the reference coordinate as a starting point in combination with the displacement of the user equipment with respect to the reference coordinate, each time determining the real-time position coordinate;
  • a second determining unit configured to determine, according to the displacement of the user equipment with respect to the reference coordinate, the real-time position coordinate, when the real-time position coordinate is determined for the first time; Each time the real-time position coordinate is determined, the real-time position coordinate determined last time is a starting point, and the current real-time position coordinate is determined in conjunction with the displacement of the user equipment with respect to the last determined real-time position coordinate.
  • the positioning data collection device acquires the real-time movement parameter of the user equipment when the positioning error of the satellite positioning signal of the user equipment is greater than a preset error upper limit value. Secondly, determining real-time position coordinates of the user equipment according to the real-time movement parameter. Finally, the detected real-time location coordinates of the user equipment, the wireless access point accessed by the user equipment, and/or the information of the base station are reported to the server. Compared with the prior art, the embodiment of the present invention implements automatic collection of positioning data by using a user equipment.
  • the device embodiment since it basically corresponds to the method embodiment, reference may be made to the partial description of the method embodiment.
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located A place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.

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

Abstract

Un mode de réalisation de la présente invention concerne un procédé et un dispositif d'acquisition de données de positionnement. Le procédé consiste à : déterminer si une erreur de positionnement d'un signal de positionnement par satellite d'un équipement utilisateur (UE) est supérieure à une valeur de limite supérieure d'erreur prédéfinie et, si c'est le cas, acquérir une coordonnée de référence de l'UE, la coordonnée de référence étant une coordonnée de position d'utilisateur déterminée d'après un signal de positionnement par satellite la dernière fois où il a été déterminé que l'erreur de positionnement était inférieure à la valeur de limite supérieure d'erreur prédéfinie ; acquérir un paramètre de mouvement en temps réel de l'UE, le paramètre de mouvement en temps réel comprenant une direction de mouvement en temps réel et un numéro d'étape de mouvement en temps réel de l'UE ; d'après la direction de mouvement en temps réel, le numéro d'étape de mouvement en temps réel, la longueur d'étape de mouvement prédéfini et la coordonnée de référence de l'UE, déterminer la coordonnée de position en temps réel de l'UE ; détecter en temps réel les informations d'une station de base et/ou d'un point d'accès sans fil auxquels l'UE accède ; et rapporter à un serveur la coordonnée de position en temps réel de l'UE et les informations de la station de base et/ou du point d'accès sans fil détectées par l'UE. La présente invention exécute au moins une acquisition automatique de données de positionnement.
PCT/CN2015/093578 2014-11-06 2015-11-02 Procédé et dispositif d'acquisition de données de positionnement WO2016070767A1 (fr)

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