CN111757244B - Building positioning method and electronic equipment - Google Patents

Building positioning method and electronic equipment Download PDF

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Publication number
CN111757244B
CN111757244B CN201910514196.9A CN201910514196A CN111757244B CN 111757244 B CN111757244 B CN 111757244B CN 201910514196 A CN201910514196 A CN 201910514196A CN 111757244 B CN111757244 B CN 111757244B
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user
building
coordinate point
positioning
unit
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CN111757244A (en
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王程辉
王风
王强
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Guangdong Genius Technology Co Ltd
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Guangdong Genius Technology Co Ltd
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Priority to CN202210132927.5A priority Critical patent/CN114554402A/en
Priority to CN201910514196.9A priority patent/CN111757244B/en
Priority to PCT/CN2019/115209 priority patent/WO2020248480A1/en
Publication of CN111757244A publication Critical patent/CN111757244A/en
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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
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
    • 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
    • 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
    • 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
    • H04W4/025—Services making use of location information using location based information parameters
    • H04W4/026—Services making use of location information using location based information parameters using orientation information, e.g. compass
    • 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
    • H04W4/025—Services making use of location information using location based information parameters
    • H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration 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
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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

Abstract

A building positioning method and electronic equipment comprise: detecting whether the intensity value of the received GPS signal is smaller than a preset first intensity value threshold value or not; if so, acquiring a real-time coordinate point of GPS positioning, starting PDR positioning, determining the real-time coordinate point as an initial coordinate point of the PDR, and recording a walking track of the user by using the PDR; wherein the walking track takes the initial coordinate point of the PDR as a starting point; and when the GPS signal is not received, determining the position information of the building where the user is located according to the end coordinate point of the walking track. By implementing the embodiment of the invention, the accuracy of building positioning can be improved.

Description

Building positioning method and electronic equipment
Technical Field
The invention relates to the technical field of positioning, in particular to a building positioning method and electronic equipment.
Background
With the popularization of mobile communication devices, and the rapid increase of data services and multimedia services, the demand of Location-Based-Service (LBS) for people is increasing day by day. With the increase of the demand of location services, the requirements of accuracy and stability of positioning results are higher and higher. At present, WiFi positioning technology is often adopted for the building positioning requirements of users. However, WiFi signals are easily interfered by surrounding environment, and signal fluctuation is generated, which affects accuracy of building positioning. Therefore, how to improve the accuracy of building positioning becomes a problem which needs to be solved urgently at present.
Disclosure of Invention
The embodiment of the invention discloses a building positioning method and electronic equipment, which can improve the accuracy of building positioning.
The first aspect of the embodiment of the invention discloses a building positioning method, which comprises the following steps:
detecting whether the intensity value of the received GPS signal is smaller than a preset first intensity value threshold value or not;
if so, acquiring a real-time coordinate point of GPS positioning, starting PDR positioning, determining the real-time coordinate point as an initial coordinate point of the PDR, and recording a walking track of the user by using the PDR; the walking track takes the initial coordinate point of the PDR as a starting point;
and when the GPS signal is not received, determining the position information of the building where the user is located according to the end coordinate point of the walking track.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, before determining the location information of the building where the user is located according to the end coordinate point of the walking trajectory, the method further includes:
judging whether the user has a positioning requirement or not according to the detected operation behavior of the user for the electronic equipment;
if the user has a positioning requirement, detecting whether a GPS signal is received;
and when the GPS signal is not received, determining the position information of the building where the user is located according to the end coordinate point of the walking track.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, when the GPS signal is not received, the method further includes:
the method comprises the steps of scanning WiFi hotspots in the surrounding environment to obtain a WiFi hotspot list;
determining a target WiFi hotspot with the strongest WiFi signal from the WiFi hotspot list;
judging whether the signal intensity value of the target WiFi hotspot is greater than a preset second intensity value threshold value or not;
if yes, determining a corresponding shop name according to the name of the target WiFi hotspot, and searching a position coordinate point of a shop corresponding to the shop name in an area range with a preset distance as a radius and taking a starting coordinate point of the PDR as a circle center;
determining the position information of the building where the user is located according to the position coordinate points of the shops and the walking track of the user;
and if not, determining the position information of the building where the user is located according to the end coordinate point of the walking track.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, after determining the location information of the building where the user is located according to the end coordinate point of the walking track, the method further includes:
comparing the position information of the building with position information included in historical positioning data of the electronic equipment to obtain a position deviation value;
judging whether the position deviation value is within a preset deviation value range or not;
if the current time is not within the preset deviation value range, the current time displayed by the electronic equipment is acquired;
judging whether the current time is within a preset control time period;
and if so, transmitting the position information of the building to a monitoring terminal which is pre-associated with the electronic equipment.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, if the current time is within the managed time period, the method further includes:
acquiring position information of a control area pre-bound with the control time period;
and planning a walking route for a user according to the position information of the building and the position information of the control area.
A second aspect of an embodiment of the present invention discloses an electronic device, including:
the first detection unit is used for detecting whether the intensity value of the received GPS signal is smaller than a preset first intensity value threshold value or not;
the positioning unit is used for acquiring a real-time coordinate point of GPS positioning when the first detection unit detects that the value is smaller than the preset first intensity value threshold, starting PDR positioning, determining the real-time coordinate point as an initial coordinate point of the PDR, and recording a walking track of a user by using the PDR; the walking track takes the initial coordinate point of the PDR as a starting point;
the second detection unit is used for detecting whether the GPS signal is received or not;
and the first determining unit is used for determining the position information of the building where the user is located according to the end coordinate point of the walking track when the second detecting unit detects that the GPS signal cannot be received.
As an optional implementation manner, in the second aspect of the embodiment of the present invention, the first determining unit is configured to determine whether the user has a positioning requirement according to the detected operation behavior of the user on the electronic device before the first determining unit determines the location information of the building where the user is located according to the end coordinate point of the walking track;
the second detecting unit is specifically configured to detect whether a GPS signal is received when the first determining unit determines that the user has a positioning requirement.
As an optional implementation manner, in a second aspect of the embodiment of the present invention, the scanning unit is configured to scan WiFi hotspots in a surrounding environment to obtain a WiFi hotspot list when the second detection unit detects that the GPS signal cannot be received;
a second determining unit, configured to determine, from the WiFi hotspot list, a target WiFi hotspot where a WiFi signal is strongest;
a second judging unit, configured to judge whether a signal strength value of the target WiFi hotspot is greater than a preset second strength value threshold;
the searching unit is used for determining the name of the shop corresponding to the target WiFi hotspot according to the name of the target WiFi hotspot when the judgment result of the second judging unit is yes, and searching the position coordinate point of the shop corresponding to the name of the shop within the area range taking the preset distance as the radius and taking the initial coordinate point of the PDR as the circle center;
the second determining unit is further used for determining the position information of the building where the user is located according to the position coordinate point of the shop and the walking track of the user;
the first determining unit is specifically configured to determine, when the second detecting unit detects that the GPS signal is not received and the determination result of the second determining unit is negative, the location information of the building where the user is located according to the end coordinate point of the walking trajectory.
As an optional implementation manner, in the second aspect of the embodiment of the present invention, the comparing unit is configured to, after the first determining unit determines the location information of the building where the user is located according to the end coordinate point of the walking track, compare the location information of the building with the location information included in the historical positioning data of the electronic device, and obtain a location deviation value;
the third judging unit is used for judging whether the position deviation value is within a preset deviation value range or not;
the obtaining unit is used for obtaining the current time displayed by the electronic equipment when the third judging unit judges that the current time is not within the preset deviation value range;
the third judging unit is further configured to judge whether the current time is within a preset control time period;
and the sending unit is used for sending the position information of the building to a monitoring terminal which is pre-associated with the electronic equipment when the third judging unit judges that the current time is within the control time period.
As an optional implementation manner, in the second aspect of the embodiment of the present invention, the obtaining unit is further configured to obtain, when the third determining unit determines that the current time is within the control time period, location information of a control area pre-bound to the control time period;
and the route planning unit is used for planning a walking route for the user according to the position information of the building and the position information of the control area.
A third aspect of the embodiments of the present invention discloses another electronic device, including:
a memory storing executable program code;
a processor coupled with the memory;
the processor calls the executable program code stored in the memory to execute all or part of the steps of any one of the methods disclosed in the first aspect of the embodiments of the present invention.
A fourth aspect of the embodiments of the present invention discloses a computer-readable storage medium, which is characterized by storing a computer program for electronic data exchange, wherein the computer program causes a computer to execute all or part of the steps in any one of the methods disclosed in the first aspect of the embodiments of the present invention.
A fifth aspect of embodiments of the present invention discloses a computer program product, which, when run on a computer, causes the computer to perform some or all of the steps of any one of the methods of the first aspect.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, whether the intensity value of the received GPS signal is smaller than a preset first intensity value threshold value is detected; if so, acquiring a real-time coordinate point of GPS positioning, starting PDR positioning, determining the real-time coordinate point as an initial coordinate point of the PDR, and recording a walking track of the user by using the PDR; wherein the walking track takes the initial coordinate point of the PDR as a starting point; and when the GPS signal is not received, determining the position information of the building where the user is located according to the end coordinate point of the walking track. Therefore, by implementing the embodiment of the invention, the building positioning requirement of the user can be met in a mode of combining GPS positioning and PDR positioning, wherein the strength of a GPS signal can reflect the distance between the user and the building; when the GPS signal is not received, the user can be considered to enter the building, meanwhile, the PDR is started in the time from the attenuation of the GPS signal to the disappearance of the GPS signal, and the position information of the building where the user currently enters is determined according to the position information of the time. In this way, under the condition that the GPS signal is poor (influenced by building shielding), the accuracy of the positioning information can be ensured by utilizing the advantage of high positioning precision of the PDR positioning in a short time. Therefore, compare the problem that utilizes the locating deviation that receives environmental factor interference and produce that wiFi location exists among the prior art, this scheme utilizes the mode of GPS supplementary PDR location to reduce the interference of external environment to the locating signal, and then has improved the accuracy of building location.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a building positioning method disclosed in the embodiment of the invention;
FIG. 2 is a schematic flow chart of another building positioning method disclosed in the embodiment of the invention;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the disclosure;
FIG. 4 is a schematic structural diagram of another electronic device disclosed in the embodiments of the present invention;
fig. 5 is a schematic structural diagram of another electronic device disclosed in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is to be noted that the terms "comprises" and "comprising" and any variations thereof in the embodiments and drawings of the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The embodiment of the invention discloses a building positioning method and electronic equipment, which can improve the accuracy of building positioning. The following are detailed below.
Example one
Referring to fig. 1, fig. 1 is a schematic flow chart of a building positioning method according to an embodiment of the present invention. As shown in fig. 1, the building positioning method may include the following steps:
101. the electronic equipment detects whether the intensity value of the received GPS signal is smaller than a preset first intensity value threshold value or not; if yes, triggering to execute the step 102; if not, continue to step 101.
In the embodiment of the invention, the electronic equipment can be internally provided with a GPS receiving device which is used for acquiring the GPS signal for positioning and detecting the strength value of the GPS signal. The preset first intensity value threshold may be an empirical value, and the empirical value may be set according to actual requirements.
102. The electronic equipment acquires a real-time coordinate point of GPS positioning, starts PDR positioning, determines the real-time coordinate point as an initial coordinate point of the PDR, and records a walking track of a user by using the PDR; wherein, the walking track takes the initial coordinate point of the PDR as a starting point.
In the embodiment of the present invention, PDR (pedestrian Dead reckoning), also called pedestrian Dead reckoning, mainly uses an Inertial Measurement Unit (IMU) to sense data such as acceleration, angular velocity, magnetic force, and pressure of a person during traveling in a beacon-free environment, and uses the data to calculate the step length and direction of the person traveling, so as to achieve the purpose of positioning and tracking the person. The electronic equipment can perform initialization setting on the initial positioning direction of the PDR by using the GPS positioning direction when the real-time coordinate point of GPS positioning is obtained, and record the walking track of the user by using the PDR after the positioning direction is initialized; it is understood that the walking trajectory may include, but is not limited to, step information, heading angle information, and location information of the user.
103. And when the GPS signal is not received, the electronic equipment determines the position information of the building where the user is located according to the end coordinate point of the walking track.
In the embodiment of the invention, because the GPS positioning function of the electronic equipment is continuously started in the walking process of the user, when the electronic equipment cannot receive the GPS signal, the user can be considered to enter the room (building), at the moment, the electronic equipment ends the positioning of the PDR on the current walking track of the user, and determines the position information of the building where the user is located according to the ending coordinate point of the walking track under the positioning of the PDR.
Further optionally, because the positions of different areas and buildings are different, when a user enters some buildings, the electronic device carried by the user can still receive the GPS signal, and therefore, the electronic device can detect whether the GPS signal is received, and if the GPS signal is received, detect whether the positioning request of the user is received, and if the positioning request of the user is received, the electronic device can obtain a first reference coordinate point of the GPS positioning and a second reference coordinate point of the PDR positioning, which are obtained at the time of receiving the positioning request, perform weighted calculation on the first reference coordinate point and the second reference coordinate point to obtain a positioning coordinate point, and determine the position information of the building where the user is located according to the positioning coordinate point.
As an alternative implementation, before the electronic device determines the location information of the building where the user is located according to the end coordinate point of the walking track, the following steps may be further performed:
judging whether the user has a positioning requirement or not according to the detected operation behavior of the user for the electronic equipment;
if the user has a positioning requirement, detecting whether a GPS signal is received;
when the GPS signal is not received, the location information of the building where the user is located is determined according to the end coordinate point of the walking trajectory in step 103.
Therefore, the embodiment of the invention can automatically acquire the position information of the building where the user is when the positioning requirement of the user is detected, meets the positioning requirement of the user and further improves the use experience of the user.
Optionally, the determining, by the electronic device, whether the user has a positioning requirement according to the detected operation behavior of the user for the electronic device may include:
detecting the duration of continuous watching of a user on a display interface of the electronic equipment;
judging whether the continuous watching duration is greater than a preset duration threshold value or not;
if yes, detecting whether the user is in a static state currently;
and if the mobile terminal is in the static state, determining that the user has a positioning requirement.
In the embodiment of the present invention, further optionally, after determining the location information of the building where the user is located according to the end coordinate point of the walking track, the electronic device may further perform the following operations:
judging the type of the building according to the position information of the building where the user is;
and pushing information messages matched with the building type to the user.
In the embodiment of the present invention, specifically, the building type may include, but is not limited to, a mall, a residence, a library or a school, etc.; when the type of the building is judged to belong to a shopping mall, indoor shopping guide information of the shopping mall can be pushed to a user; when the type of the building is judged to be a library, library book classification information can be pushed to the user. Therefore, the embodiment of the invention can push the relevant information to the user according to the type of the building where the user is located, can meet the travel requirement of the user in time, and further improves the use experience of the user.
As another alternative, when the GPS signal is not received, the electronic device may further perform the following steps:
the method comprises the steps of scanning WiFi hotspots in the surrounding environment to obtain a WiFi hotspot list;
determining a target WiFi hotspot with the strongest WiFi signal from the WiFi hotspot list;
judging whether the signal intensity value of the target WiFi hotspot is greater than a preset second intensity value threshold value or not;
if yes, determining the name of the shop corresponding to the target WiFi hotspot according to the name of the target WiFi hotspot, and searching a position coordinate point of the shop corresponding to the name of the shop in an area range with a preset distance as a radius and taking an initial coordinate point of the PDR as a circle center;
determining the position information of the building where the user is located according to the position coordinate points of the shops and the walking track of the user;
and if not, determining the position information of the building where the user is located according to the end coordinate point of the walking track.
In the embodiment of the invention, the electronic equipment determines the position information of the building where the user is located according to the position coordinate point of the shop and the walking track of the user, and specifically, the electronic equipment can adopt a uniform time window utility function to linearly weight the position coordinate point of the shop and the ending coordinate point of the walking track, and filter the weighted result after linear weighting to obtain the position information of the building where the user is located. In the scheme, the electronic equipment cannot receive the GPS signal, the user can be considered to enter the building, meanwhile, the signal intensity value of the target WiFi hotspot of the shop scanned by the electronic equipment is larger than the preset second intensity value threshold value, the user can be determined to be located in the shop, and in addition, the shop can be known to be located in the building, so that the position information of the building where the user is located can be more accurately located by utilizing a mode of combining PDR (product data record) positioning and WiFi (wireless fidelity) positioning. It should be noted that, in the solution of the embodiment of the present invention, the location information of the building where the user is located may be regarded as information of a current specific location where the user is located in the building, while in other embodiments of the present invention, the location information of the building where the user is located may also be regarded as location information of the building (any location coordinate point of an area covered by the building may be used to represent a location coordinate point of the building), and the embodiment of the present invention is not limited.
For steps 101 to 103, based on the content of the above embodiment, the electronic device may use a low power consumption GPS to perform continuous dotting positioning, and in the process that a user approaches and enters a residential building or a mall, the GPS positioning may be affected by environmental factors such as a tall building, and the GPS signal may undergo an attenuation process, so that the GPS signal attenuation may affect the accuracy of the GPS positioning. Therefore, the location can be determined by combining GPS and PDR technologies, and the position information of the building currently entered by the user is determined according to the position information of the time from the attenuation of the GPS signal to the opening of the PDR within the time of disappearance of the GPS signal. In this way, under the condition that the GPS signal is poor (influenced by building shielding), the accuracy of the positioning information can be ensured by utilizing the advantage of high positioning precision of the PDR positioning in a short time. In this scheme, the flag indicating that the GPS signal starts to attenuate may be determined as when the intensity value of the GPS signal received by the electronic device is smaller than a preset first intensity value threshold.
It can be seen that, by the method described in fig. 1, the building location requirement of the user can be satisfied by combining GPS location and PDR location, where the strength of the GPS signal can reflect the distance between the user and the building; when the GPS signal is not received, the user can be considered to enter the building, meanwhile, the PDR is started in the time from the attenuation of the GPS signal to the disappearance of the GPS signal, and the position information of the building where the user currently enters is determined according to the position information of the time. In this way, under the condition that the GPS signal is poor (influenced by building shielding), the accuracy of the positioning information can be ensured by utilizing the advantage of high positioning precision of the PDR positioning in a short time. Therefore, compared with the problem of positioning deviation caused by interference of environmental factors existing in WiFi positioning in the prior art, the scheme reduces the interference of external environment on positioning signals by using a GPS (global position system) assisted PDR (personal digital assistant) positioning mode, and further improves the accuracy of building positioning; in addition, relevant information can be pushed to the user according to the type of the building where the user is located, the travel requirement of the user can be met in time, and the use experience of the user is improved.
Example two
Referring to fig. 2, fig. 2 is a schematic flow chart of another building positioning method disclosed in the embodiment of the present invention. As shown in fig. 2, the building positioning method may include the following steps:
in the embodiment of the present invention, the building positioning method includes steps 201 to 203, and for the description of the steps 201 to 203, please refer to the detailed description of the steps 101 to 103 in the first embodiment, which is not repeated herein.
204. The electronic equipment compares the position information of the building with the position information included in the historical positioning data of the electronic equipment to obtain a position deviation value.
In the embodiment of the present invention, the electronic device may store historical positioning data of the user within a preset time period, that is, each time the user initiates positioning, the electronic device stores a positioning result of the positioning in a positioning database of the electronic device, where the positioning result at least may include a position coordinate of a location where the user is positioned.
205. The electronic equipment judges whether the position deviation value is within a preset deviation value range or not; if the deviation value is not within the preset deviation value range, triggering to execute the step 206; if the difference value is within the preset difference value range, the process is ended.
In the embodiment of the invention, if the position deviation value is not in the preset deviation value range, the user can be considered to be in the region range with lower occurrence frequency at ordinary times; the occurrence frequency of the user in a certain area range can be determined according to historical positioning data of the user stored in the electronic equipment.
206. The electronic device obtains a current time displayed by the electronic device.
207. The electronic equipment judges whether the current time is within a preset control time period; if yes, triggering to execute step 208; if not, the flow is ended.
In the embodiment of the present invention, the electronic device may store a control time period in advance, where the control time period may be set by default by the electronic device, or may be sent by a monitoring terminal of the electronic device. For example, the control time period may be a learning time from nine am to twelve am, or may be a sleeping time from ten pm to seven am next day, which is not limited in the embodiment of the present invention.
As an optional implementation manner, if the current time is within the managed time period, the electronic device may further perform the following operations:
acquiring position information of a control area pre-bound with a control time period;
and planning a walking route for the user according to the position information of the building and the position information of the control area.
In the embodiment of the present invention, a plurality of control areas may be bound in advance in a control time period, so that optionally, if the current time is within the control time period, the electronic device may acquire position information of the plurality of control areas bound in advance with the control time period; further, according to the position information of the plurality of control areas, the position information corresponding to the target control area closest to the building is selected, the building serves as a starting point, the target control area serves as a terminal point, a walking route is planned for the user, and navigation prompt voice is output to guide the user to reach the target control area. For example, the preset control time period is nine am to twelve am, and the control area pre-bound to the control time period is a school that the user has read. Therefore, if the user appears in a place which is not frequently appeared at ordinary times in the control time period, a navigation route can be planned for the user according to the position of the building where the user is located and the position of the control area, so that the user is guided to reach the safe control area, the travel risk of the user is reduced, and the travel safety of the user is effectively guaranteed.
208. The electronic device transmits the location information of the building to a monitoring terminal associated with the electronic device in advance.
In the embodiment of the present invention, the pre-associated user of the monitoring terminal may be a parent or a shift master. If the user appears in a place (the deviation value between the position of the building and the historical positioning position is large) which is not usually present in the control time period, the user may get lost or escape, and the like, so that the user of the electronic equipment can be timely informed of the current position information of the user by sending the position of the building to the monitoring terminal, the user of the monitoring terminal can timely master the trip condition of the user, and the timeliness of acquiring the monitoring information is improved.
It can be seen that, by the method described in fig. 2, the building location requirement of the user can be satisfied by combining GPS location and PDR location, where the strength of the GPS signal can reflect the distance between the user and the building; when the GPS signal is not received, the user can be considered to enter the building, meanwhile, the PDR is started in the time from the attenuation of the GPS signal to the disappearance of the GPS signal, and the position information of the building where the user currently enters is determined according to the position information of the time. In this way, under the condition that the GPS signal is poor (influenced by building shielding), the accuracy of the positioning information can be ensured by utilizing the advantage of high positioning precision of the PDR positioning in a short time. Therefore, compared with the problem of positioning deviation caused by interference of environmental factors existing in WiFi positioning in the prior art, the scheme reduces the interference of external environment on positioning signals by using a GPS (global position system) assisted PDR (personal digital assistant) positioning mode, and further improves the accuracy of building positioning; related information can be pushed to the user according to the type of the building where the user is located, the travel requirement of the user can be met in time, and the use experience of the user is improved; in addition, a navigation route can be planned for the user according to the position of the building where the user is located and the position of the control area, so that the user is guided to reach the safe control area, the travel risk of the user is reduced, and the travel safety of the user is effectively guaranteed.
EXAMPLE III
Referring to fig. 3, fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the disclosure. As shown in fig. 3, the electronic device may include:
the first detecting unit 301 is configured to detect whether an intensity value of the received GPS signal is smaller than a preset first intensity value threshold, and provide a detection result to the positioning unit 302.
A positioning unit 302, configured to, when the first detection unit 301 detects that the detected value is smaller than a preset first intensity value threshold, obtain a real-time coordinate point of GPS positioning, start PDR positioning, determine the real-time coordinate point as a starting coordinate point of a PDR, and record a walking track of a user by using the PDR; wherein, the walking track takes the initial coordinate point of the PDR as a starting point.
In the embodiment of the present invention, PDR (pedestrian Dead reckoning), also called pedestrian Dead reckoning, mainly uses an Inertial Measurement Unit (IMU) to sense data such as acceleration, angular velocity, magnetic force, and pressure of a person during traveling in a beacon-free environment, and uses the data to calculate the step length and direction of the person traveling, so as to achieve the purpose of positioning and tracking the person. The electronic equipment can perform initialization setting on the initial positioning direction of the PDR by using the GPS positioning direction when the real-time coordinate point of GPS positioning is obtained, and record the walking track of the user by using the PDR after the positioning direction is initialized; it is understood that the walking trajectory may include, but is not limited to, step information, heading angle information, and location information of the user.
The second detecting unit 303 is configured to detect whether a GPS signal is received, and provide the detection result to the first determining unit 304.
In this embodiment of the present invention, optionally, after detecting that the GPS signal is received, the second detecting unit 303 may further trigger the first detecting unit 301 to perform an operation of detecting whether the strength value of the received GPS signal is smaller than a preset first strength value threshold.
A first determining unit 304, configured to determine the location information of the building where the user is located according to the end coordinate point of the walking track when the second detecting unit 303 detects that the GPS signal is not received.
It can be seen that, with the electronic device described in fig. 3, the building location requirement of the user can be satisfied in a combination manner of GPS location and PDR location, where the strength of the GPS signal can reflect the distance between the user and the building; when the GPS signal is not received, the user can be considered to enter the building, meanwhile, the PDR is started in the time from the attenuation of the GPS signal to the disappearance of the GPS signal, and the position information of the building where the user currently enters is determined according to the position information of the time. In this way, under the condition that the GPS signal is poor (influenced by building shielding), the accuracy of the positioning information can be ensured by utilizing the advantage of high positioning precision of the PDR positioning in a short time. Therefore, compared with the problem of positioning deviation caused by interference of environmental factors existing in WiFi positioning in the prior art, the scheme reduces the interference of external environment on positioning signals by using a GPS (global position system) assisted PDR (personal digital assistant) positioning mode, and further improves the accuracy of building positioning; in addition, relevant information can be pushed to the user according to the type of the building where the user is located, the travel requirement of the user can be met in time, and the use experience of the user is improved.
Example four
Referring to fig. 4, fig. 4 is a schematic structural diagram of another electronic device according to an embodiment of the present invention, wherein the electronic device shown in fig. 4 is obtained by further optimizing the electronic device shown in fig. 3. Compared to the electronic device shown in fig. 3, the electronic device shown in fig. 4 may further include:
a first judging unit 305, configured to judge whether the user has a positioning requirement according to the detected operation behavior of the user on the electronic device before the first determining unit 304 determines the location information of the building where the user is located according to the end coordinate point of the walking track, and provide the judgment result to the second detecting unit 303.
Therefore, the embodiment of the invention can automatically acquire the position information of the building where the user is when the positioning requirement of the user is detected, meets the positioning requirement of the user and further improves the use experience of the user.
Further optionally, the specific way for judging whether the user has a positioning requirement according to the detected operation behavior of the user for the electronic device by the first judging unit 305 may be:
detecting the duration of continuous watching of a user on a display interface of the electronic equipment;
judging whether the continuous watching duration is greater than a preset duration threshold value or not;
if yes, detecting whether the user is in a static state currently;
and if the mobile terminal is in the static state, determining that the user has a positioning requirement.
In this embodiment of the present invention, further optionally, after determining the location information of the building where the user is located according to the end coordinate point of the walking track, the first determining unit 305 may further perform the following operations:
judging the type of the building according to the position information of the building where the user is;
and pushing information messages matched with the building type to the user.
In the embodiment of the present invention, specifically, the building type may include, but is not limited to, a mall, a residence, a library or a school, etc.; when the type of the building is judged to belong to a shopping mall, indoor shopping guide information of the shopping mall can be pushed to a user; when the type of the building is judged to be a library, library book classification information can be pushed to the user. Therefore, the embodiment of the invention can push the relevant information to the user according to the type of the building where the user is located, can meet the travel requirement of the user in time, and further improves the use experience of the user.
The second detecting unit 303 is specifically configured to detect whether a GPS signal is received when the first determining unit 305 determines that the user has a positioning requirement, and trigger the first determining unit 304 to determine the location information of the building where the user is located according to the end coordinate point of the walking track when the GPS signal is detected not to be received.
As an alternative implementation, as shown in fig. 4, the electronic device may further include:
a scanning unit 306, configured to scan WiFi hotspots in the surrounding environment to obtain a WiFi hotspot list when the second detecting unit 303 detects that no GPS signal is received, and provide a second determining unit 307 for the dog day.
A second determining unit 307, configured to determine a target WiFi hotspot with the strongest WiFi signal from the WiFi hotspot list, and provide the target WiFi hotspot with the strongest WiFi signal to the second determining unit 308.
The second determining unit 308 is configured to determine whether the signal strength value of the target WiFi hotspot is greater than a preset second strength value threshold, and provide the determination result to the searching unit 309.
The searching unit 309 is configured to, when the determination result of the second determining unit 308 is yes, determine a name of the shop corresponding to the target WiFi hotspot according to the name of the target WiFi hotspot, search a location coordinate point of the shop corresponding to the name of the shop within an area range with a preset distance as a radius and taking a starting coordinate point of the PDR as a center of circle, and provide the location coordinate point to the second determining unit 307.
The second determining unit 307 is further configured to determine the location information of the building where the user is located according to the location coordinate point of the shop and the walking track of the user.
Specifically, the first determining unit 304 is configured to determine the location information of the building where the user is located according to the end coordinate point of the walking trajectory when the second detecting unit 303 detects that the GPS signal is not received and the determination result of the second determining unit 308 is negative.
As another alternative implementation, as shown in fig. 4, the electronic device further includes:
a comparing unit 310, configured to compare the location information of the building with the location information included in the historical location data of the electronic device after the first determining unit 304 determines the location information of the building where the user is located according to the end coordinate point of the walking track, to obtain a location deviation value, and provide the location deviation value to the third determining unit 311.
Wherein the first determining unit 304 is configured to provide the location information of the building to the comparing unit 310 after determining the location information of the building where the user is located according to the end coordinate point of the walking trajectory.
The third determining unit 311 is configured to determine whether the position deviation value is within a preset deviation value range, and provide the determination result to the obtaining unit 312.
An obtaining unit 312, configured to obtain the current time displayed by the electronic device when the third determining unit 311 determines that the current time is not within the preset deviation range, and provide the current time to the third determining unit 311.
The third determining unit 311 is further configured to determine whether the current time is within a preset control time period, and provide the determination result to the sending unit 313.
A sending unit 313, configured to send the location information of the building to a monitoring terminal pre-associated with the electronic device when the third determining unit 311 determines that the current time is within the control time period.
As still another alternative, as shown in fig. 4, the obtaining unit 312 is further configured to obtain, when the third determining unit 311 determines that the current time is within the control time period, the location information of the control area pre-bound with the control time period, and provide the location information to the route planning unit 314.
And the route planning unit 314 is used for planning a walking route for the user according to the position information of the building and the position information of the control area.
It can be seen that, with the electronic device described in fig. 4, the building location requirement of the user can be satisfied in a combination manner of GPS location and PDR location, where the strength of the GPS signal can reflect the distance between the user and the building; when the GPS signal is not received, the user can be considered to enter the building, meanwhile, the PDR is started in the time from the attenuation of the GPS signal to the disappearance of the GPS signal, and the position information of the building where the user currently enters is determined according to the position information of the time. In this way, under the condition that the GPS signal is poor (influenced by building shielding), the accuracy of the positioning information can be ensured by utilizing the advantage of high positioning precision of the PDR positioning in a short time. Therefore, compared with the problem of positioning deviation caused by interference of environmental factors existing in WiFi positioning in the prior art, the scheme reduces the interference of external environment on positioning signals by using a GPS (global position system) assisted PDR (personal digital assistant) positioning mode, and further improves the accuracy of building positioning; related information can be pushed to the user according to the type of the building where the user is located, the travel requirement of the user can be met in time, and the use experience of the user is improved; in addition, a navigation route can be planned for the user according to the position of the building where the user is located and the position of the control area, so that the user is guided to reach the safe control area, the travel risk of the user is reduced, and the travel safety of the user is effectively guaranteed.
EXAMPLE seven
Referring to fig. 5, fig. 5 is a schematic structural diagram of another electronic device according to an embodiment of the disclosure. As shown in fig. 5, the electronic device may include:
a memory 701 in which executable program code is stored;
a processor 702 coupled to the memory 701;
wherein, the processor 702 calls the executable program code stored in the memory 701 to execute part or all of the steps of the method in the above method embodiments.
The embodiment of the invention also discloses a computer readable storage medium, wherein the computer readable storage medium stores program codes, wherein the program codes comprise instructions for executing part or all of the steps of the method in the above method embodiments.
Embodiments of the present invention also disclose a computer program product, wherein, when the computer program product is run on a computer, the computer is caused to execute part or all of the steps of the method as in the above method embodiments.
The embodiment of the present invention also discloses an application publishing platform, wherein the application publishing platform is used for publishing a computer program product, and when the computer program product runs on a computer, the computer is caused to execute part or all of the steps of the method in the above method embodiments.
It should be appreciated that reference throughout this specification to "an embodiment of the present invention" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrase "in embodiments of the invention" appearing in various places throughout the specification are not necessarily all referring to the same embodiments. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are exemplary and alternative embodiments, and that the acts and modules illustrated are not required in order to practice the invention.
In various embodiments of the present invention, it should be understood that the sequence numbers of the above-mentioned processes do not imply an inevitable order of execution, and the execution order of the processes should be determined by their functions and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
In addition, the terms "system" and "network" are often used interchangeably herein. It should be understood that the term "and/or" herein is merely one type of association relationship describing an associated object, meaning that three relationships may exist, for example, a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood, however, that determining B from a does not mean determining B from a alone, but may also be determined from a and/or other information.
It will be understood by those skilled in the art that all or part of the steps in the methods of the embodiments described above may be implemented by hardware instructions of a program, and the program may be stored in a computer-readable storage medium, where the storage medium includes Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Compact Disc Read-Only Memory (CD-ROM), or other Memory, such as a magnetic disk, or a combination thereof, A tape memory, or any other medium readable by a computer that can be used to carry or store data.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated units, if implemented as software functional units and sold or used as a stand-alone product, may be stored in a computer accessible memory. Based on such understanding, the technical solution of the present invention, which is a part of or contributes to the prior art in essence, or all or part of the technical solution, can be embodied in the form of a software product, which is stored in a memory and includes several requests for causing a computer device (which may be a personal computer, a server, a network device, or the like, and may specifically be a processor in the computer device) to execute part or all of the steps of the above-described method of each embodiment of the present invention.
The building positioning method and the electronic device disclosed by the embodiment of the invention are described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (8)

1. A building positioning method is characterized by comprising the following steps:
detecting whether the intensity value of the received GPS signal is smaller than a preset first intensity value threshold value or not;
if so, acquiring a real-time coordinate point of GPS positioning, starting PDR positioning, determining the real-time coordinate point as an initial coordinate point of the PDR, and recording a walking track of the user by using the PDR; the walking track takes the initial coordinate point of the PDR as a starting point;
when the GPS signal cannot be received, the WiFi hotspots of the surrounding environment are scanned to obtain a WiFi hotspot list;
determining a target WiFi hotspot with the strongest WiFi signal from the WiFi hotspot list;
judging whether the signal intensity value of the target WiFi hotspot is greater than a preset second intensity value threshold value or not;
if yes, determining a corresponding shop name according to the name of the target WiFi hotspot, and searching a position coordinate point of a shop corresponding to the shop name in an area range with a preset distance as a radius and taking a starting coordinate point of the PDR as a circle center;
determining the position information of the building where the user is located according to the position coordinate points of the shops and the walking track of the user;
and if not, determining the position information of the building where the user is located according to the end coordinate point of the walking track.
2. The method of claim 1, wherein before determining the location information of the building where the user is located according to the end coordinate point of the walking trajectory, the method further comprises:
judging whether the user has a positioning requirement or not according to the detected operation behavior of the user for the electronic equipment;
if the user has a positioning requirement, detecting whether a GPS signal is received;
and when the GPS signal is not received, determining the position information of the building where the user is located according to the end coordinate point of the walking track.
3. The method of claim 1, wherein after determining the location information of the building where the user is located according to the end coordinate point of the walking trajectory, the method further comprises:
comparing the position information of the building with position information included in historical positioning data of the electronic equipment to obtain a position deviation value;
judging whether the position deviation value is within a preset deviation value range or not;
if the current time is not within the preset deviation value range, the current time displayed by the electronic equipment is acquired;
judging whether the current time is within a preset control time period;
and if so, transmitting the position information of the building to a monitoring terminal which is pre-associated with the electronic equipment.
4. The method of claim 3, wherein if the current time is within the regulatory time period, the method further comprises:
acquiring position information of a control area pre-bound with the control time period;
and planning a walking route for a user according to the position information of the building and the position information of the control area.
5. An electronic device, comprising:
the first detection unit is used for detecting whether the intensity value of the received GPS signal is smaller than a preset first intensity value threshold value or not;
the positioning unit is used for acquiring a real-time coordinate point of GPS positioning when the first detection unit detects that the value is smaller than the preset first intensity value threshold, starting PDR positioning, determining the real-time coordinate point as an initial coordinate point of the PDR, and recording a walking track of a user by using the PDR; the walking track takes the initial coordinate point of the PDR as a starting point;
the second detection unit is used for detecting whether the GPS signal is received or not;
the first determining unit comprises a scanning unit, and the scanning unit is used for scanning WiFi hotspots in the surrounding environment to obtain a WiFi hotspot list when the second detecting unit detects that the GPS signal cannot be received;
a second determining unit, configured to determine, from the WiFi hotspot list, a target WiFi hotspot where a WiFi signal is strongest;
a second judging unit, configured to judge whether a signal strength value of the target WiFi hotspot is greater than a preset second strength value threshold;
the searching unit is used for determining the name of the shop corresponding to the target WiFi hotspot according to the name of the target WiFi hotspot when the judgment result of the second judging unit is yes, and searching the position coordinate point of the shop corresponding to the name of the shop within the area range taking the preset distance as the radius and taking the initial coordinate point of the PDR as the circle center;
the second determining unit is further used for determining the position information of the building where the user is located according to the position coordinate point of the shop and the walking track of the user;
the first determining unit is specifically configured to determine, when the second detecting unit detects that the GPS signal is not received and the determination result of the second determining unit is negative, the location information of the building where the user is located according to the end coordinate point of the walking trajectory.
6. The electronic device of claim 5, further comprising:
the first judging unit is used for judging whether the user has a positioning requirement or not according to the detected operation behavior of the user aiming at the electronic equipment before the first determining unit determines the position information of the building where the user is located according to the end coordinate point of the walking track;
the second detecting unit is specifically configured to detect whether a GPS signal is received when the first determining unit determines that the user has a positioning requirement.
7. The electronic device of claim 5, further comprising:
the comparison unit is used for comparing the position information of the building where the user is located with the position information included in the historical positioning data of the electronic equipment after the first determination unit determines the position information of the building where the user is located according to the end coordinate point of the walking track to obtain a position deviation value;
the third judging unit is used for judging whether the position deviation value is within a preset deviation value range or not;
the obtaining unit is used for obtaining the current time displayed by the electronic equipment when the third judging unit judges that the current time is not within the preset deviation value range;
the third judging unit is further configured to judge whether the current time is within a preset control time period;
and the sending unit is used for sending the position information of the building to a monitoring terminal which is pre-associated with the electronic equipment when the third judging unit judges that the current time is within the control time period.
8. The electronic device according to claim 7, wherein the obtaining unit is further configured to obtain location information of a control area pre-bound to the control time period when the third determining unit determines that the current time is within the control time period;
and the route planning unit is used for planning a walking route for the user according to the position information of the building and the position information of the control area.
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