CN112165731A - Method, device and system for positioning equipment - Google Patents
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- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention discloses a method for positioning equipment, which comprises the following steps: a distance acquisition step: the distance between the equipment and the at least one server is calculated and obtained according to the signal propagation speed, the request time of the equipment for sending the request and the receiving time of the at least one server for receiving the request; and (3) equipment positioning: for calculating an estimated position of the device at a certain time point according to the distance. According to the known physical region information of part of equipment, the specific position of other equipment when the request action occurs is estimated, so that the situation that the geographical position track of the user action cannot be mined due to the fact that a large amount of action data does not have position information is avoided; for a data mining company, other location services do not need to be purchased, the real-time geographic location of the equipment can be obtained through calculation according to the existing data, and the cost of the data mining company is saved; the positioning precision of the equipment is high. The invention also discloses a device and a system for positioning the equipment.
Description
Technical Field
The present application relates to the field of communications, and in particular, to a method, an apparatus, and a system for positioning a device.
Background
In the field of advertisement monitoring, exposure behaviors of advertisement spots of each user accessing a webpage page can be collected through a client, and geographic position information can be obtained by part of the clients according to the authority granted by the user, however, more than 90% of data is the geographic position information without being returned by the client, and if street-level geographic position information of equipment can be accurately positioned, the method has great significance for subsequent equipment behavior track data mining.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: currently, there is no good way to perform accurate geographic location positioning technology for advertisement monitoring data, except for the return of specific geographic location information.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. The foregoing summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended to be a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method, a device and a system for positioning equipment, so as to solve the technical problems to a certain extent.
In a first aspect, a method for device positioning is provided, including: a distance acquisition step: the device comprises a signal transmission speed calculation module, a request module and a server, wherein the signal transmission speed calculation module is used for calculating and obtaining the distance between the device and at least one server according to the signal transmission speed, the request time of the device for sending a request and the receiving time of the at least one server for receiving the request; and (3) equipment positioning: and calculating to obtain an estimated position of the equipment at a certain time point according to the distance.
With reference to the first aspect, in certain implementations of the first aspect, the device positioning step further includes: and obtaining the estimated position of the equipment in a certain time period according to the estimated positions of the equipment at a plurality of time points in the time period.
With reference to the first aspect, in certain implementations of the first aspect, the foregoing method further includes: a signal propagation speed obtaining step: and the signal propagation speed is obtained according to the time when other equipment sends the request, the time when the server receives the request, the server position information and the physical region information of the other equipment.
With reference to the first aspect, in certain implementations of the first aspect, the signal propagation speed obtaining step further includes: and updating the signal propagation speed according to a preset time interval.
With reference to the first aspect, in certain implementations of the first aspect, the signal propagation speed obtaining step further includes averaging a plurality of the signal propagation speeds to obtain an average signal propagation speed, and is configured to calculate and obtain a distance between the device and the at least one server according to the average signal propagation speed, the request time, and the reception time.
With reference to the first aspect, in certain implementations of the first aspect, the device positioning step further includes: device location range determination: determining a device position range corresponding to each server in the plurality of servers according to the distance; a time point estimated position determination step: determining an intersection point of the plurality of device location ranges, the intersection point being the estimated location of the certain time point; time period estimation position determination step: and calculating the central point of the intersection point area, wherein the central point is the estimated position of the certain time period.
With reference to the first aspect, in certain implementations of the first aspect, the determining the location range of the device further includes calculating a location range of the device corresponding to the server according to the following formula,
wherein x is the abscissa of the device position, y is the ordinate of the device position, SLoniFor the longitudinal position of the server, SLATiAs the latitude position of the server, DiM is the number of servers, which is the distance between each server and the device.
In a second aspect, an apparatus for device localization is provided, comprising: the distance acquisition module is used for calculating and obtaining the distance between the equipment and the at least one server according to the signal propagation speed, the request time of the equipment for sending the request and the receiving time of the at least one server for receiving the request; and the equipment positioning module is used for calculating to obtain an estimated position of the equipment at a certain time point according to the distance and obtaining the estimated position of the equipment at a certain time period according to the estimated positions of the equipment at a plurality of time points in a certain time period.
In a third aspect, a system for device positioning is provided, comprising a processor and a memory storing program instructions, the processor being configured to, upon execution of the program instructions, perform the aforementioned method for device positioning.
In a fourth aspect, a computer-readable storage medium is provided, on which a program for device localization is stored, which, when executed by the processor, implements the aforementioned method for device localization.
The method, the device, the system and the computer readable storage medium for positioning the equipment provided by the embodiment of the disclosure can realize the following technical effects:
according to the known physical region information of part of equipment, the specific position of other equipment when the request action occurs is estimated, so that the situation that the geographical position track of the user action cannot be mined due to the fact that a large amount of action data does not have position information is avoided; for a data mining company, other location services do not need to be purchased, the real-time geographic location of the equipment can be obtained through calculation according to the existing data, and the cost of the data mining company is saved; the positioning precision of the equipment is high.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic flow chart diagram of a method for device positioning provided by an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a system for device positioning according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. One of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein can be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as referred to herein means two or more. "and/or" describes an association relationship of associated objects, 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. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.
The application is operational with numerous general purpose or special purpose computing device environments or configurations. For example: cell phones, personal computers, server computers, hand-held or portable devices, tablet-type devices, multi-processor devices, distributed computing environments that include any of the above devices or equipment, and the like. The device may be other terminal device having a data processing function. The embodiments of the present disclosure do not set any limit to the specific type of device.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
Currently, for advertisement monitoring data, there is no good way to perform accurate geographic location positioning technology except for obtaining specific geographic location information of devices transmitted back by clients.
In a conventional method, a client obtains specific geographic location information of a handheld device and then transmits the information back by obtaining user authorization, or purchases the specific geographic location information of the device from an Application (APP for short) developer. The method for obtaining the user authorization can only obtain a small amount of data, and the data magnitude is too small to meet the subsequent analysis requirement; in a method of purchasing specific geographic location information of a device from an APP developer, since a Software Development Kit (SDK) for advertisement monitoring data is embedded in a specific APP application, the Software Development Kit may be controlled by the APP developer, and the APP developer does not support transmitting accurate specific geographic location information at present, so that a large amount of device behavior data collected at present does not have specific geographic location information.
In order to solve the above problem, embodiments of the present disclosure provide a method, an apparatus, and a system for device positioning.
In the following description, a concept related to the embodiments of the present disclosure is described, in which a signal propagation speed is obtained by estimating a propagation speed of a signal from a certain region to a certain server by using a method provided by the embodiments of the present disclosure.
Fig. 1 is a schematic flowchart of a method for positioning a device according to an embodiment of the present disclosure. As shown in fig. 1, an embodiment of the present disclosure provides a method for device positioning, including: distance acquisition step 101: the distance between the equipment and the at least one server is calculated and obtained according to the signal propagation speed, the request time of the equipment for sending the request and the receiving time of the at least one server for receiving the request; device location step 102: for calculating an estimated position of the device at a certain time point according to the distance.
The method for positioning the equipment has the advantages that the specific positions of other equipment when the request action occurs are estimated according to the known physical region information of part of the equipment, so that the situation that the geographical position track of the user action cannot be excavated due to the fact that a large amount of action data does not have position information is avoided; for a data mining company, other location services do not need to be purchased, the real-time geographic location of the equipment can be obtained through calculation according to the existing data, and the cost of the data mining company is saved; the positioning precision of the equipment is high.
In some embodiments, the distance obtaining step 101 further comprises: the distance Dn between the device and the server is calculated by the following formula, (RT-ST) × V, where RT is the time the server receives the request, ST is the time the device makes the request ST, and V is the signal propagation speed.
In some embodiments, the known behavior data of the device includes: the device identification information includes a device serial number (device ID), a device request time period T, a request time ST of a device sending a request, a receiving time RT of a server receiving a request, a device region serial number (region ID), and a server serial number (server ID), where the server ID is a serial number of a server receiving a device request.
In some embodiments, in order to make the estimated position of the device as close as possible to the real position of the device, the aforementioned device positioning step 102 further comprises: and obtaining the estimated position of the equipment in a certain time period according to the estimated positions of the equipment at a plurality of time points in the time period. The Unix time is regulated to a corresponding time period, the equipment request time period T is a time period according to T seconds, and the calculation method comprises the following steps:
unix timestamp Tunix＝ST÷1000000
Device request period T ═ Tunix-Tunix％t
When t is 0, a position is estimated for a certain point in time of the computing device.
In some embodiments, the aforementioned method for device positioning further comprises: a signal propagation speed obtaining step: the method is used for obtaining the signal propagation speed according to the time ST of sending the request by other equipment, the time RT of receiving the request by the server, the server position information and the physical region information of other equipment. And arranging behavior data with equipment accurate position information collected from the advertisement monitoring data to obtain known physical region information of other equipment. The known physical geographical information of the other devices includes: the area ID, the longitude and latitude position CLONLat of the equipment, the equipment ID and the request time ST of the equipment sending the request. The server position information is a longitude and latitude position SLonLat of the server, which is an accurate geographical position of each server. The time ST when the device sends the request and the time RT when the server receives the request may be accurate to microsecond level, the longitude and latitude position CLonLat of the device is an accurate known longitude and latitude position of the device, and the area ID is obtained by converting an Internet Protocol Address (IP Address for short) of the device.
In some embodiments, in order to make the positioning more accurate and improve the accuracy of the positioning, the foregoing method for positioning a device further includes: data grouping, namely grouping the behavior data with the accurate position data of the equipment according to two dimensions of a region ID and a longitude and latitude position SLonoLat of the server; obtaining a signal propagation speed, V ═ S, for each piece of data within each packetSLonLat-CLonLatDiv (RT-ST), in which SSLonLat-CLinLatThe distance between the longitude and latitude position of the device and the longitude and latitude position of the server is the geographical position distance; and obtaining an average signal propagation speed, averaging the signal propagation speeds obtained by calculating each record in each group, and obtaining and storing the corresponding relation between the region ID and the average signal propagation speed of the server ID.
In some embodiments, the signal propagation velocity is rectified based on a plurality of actual data, and the signal propagation velocity obtaining step comprises: the method for updating the signal propagation speed according to the preset time interval comprises the following steps: updating the signal propagation speed according to each region ID according to a preset time interval; and updating the signal propagation speed according to each server ID at preset time intervals. For example, the signal propagation speed is updated by data superposition every day, or the signal propagation speed is updated by data superposition every week, and the preset time interval can be defined by those skilled in the art according to actual needs. The estimated location of the device may be refined to the street level of the location of the device.
In some embodiments, in order to obtain data for calculation, the foregoing method further comprises: and (4) data screening, namely deleting the behavior data with the RT-ST less than or equal to 0 from the behavior data with the equipment accurate position data.
In some embodiments, the device location step 102: the method for obtaining the estimated position of the equipment at a certain time point according to the distance calculation specifically comprises the following steps: device location range determination step 1021: determining a device position range corresponding to each server in the plurality of servers according to the distance; point-in-time estimated position determination step 1022: determining the intersection points of a plurality of equipment position ranges, wherein the intersection points are estimated positions of equipment at a certain time point; time period estimated position determination step 1023: and calculating the central point of the intersection point area, wherein the central point is the estimated position of the equipment in a certain time period.
In some embodiments, the device location range determining step 1021 further includes drawing a circle with the server longitude and latitude location SLonLat as a center of the circle and a distance Dn between the device and the server as a radius to obtain at least one location range circle; for m servers, a system of equations is obtained:
wherein SLoniFor the longitudinal position of the server, SLATiAs the latitude position of the server, DiThe distance between each server and the equipment; pairwise matching and solving the equation set to obtain intersection points (x, y) of a plurality of equipment position ranges, wherein each intersection point is possibly the position where the equipment action occurs; the time interval estimation position determining step 1023 further includes taking the region with the most dense intersection points, and calculating the center point of the cluster of intersection points, i.e. the center pointThe location is estimated for a certain time period of the device ID.
The disclosed embodiment provides an apparatus for positioning a device, including: the distance acquisition module is used for calculating and obtaining the distance between the equipment and the at least one server according to the signal propagation speed, the request time of the equipment for sending the request and the receiving time of the at least one server for receiving the request; and the equipment positioning module is used for obtaining the estimated position of the equipment at a certain time point according to the distance calculation and obtaining the estimated position of the equipment at a certain time period according to the estimated positions of the equipment at a plurality of time points in a certain time period.
The client can collect advertisement monitoring data and the time of the terminal equipment requesting behavior under a specific IP address, when the client sends the monitoring data to a specific server for receiving the data, the time of other servers for receiving the data can be obtained, the difference value between the time of the terminal equipment requesting behavior and the time of the server for receiving the data is calculated, the longitude and latitude of the specific geographic position of the terminal equipment behavior can be estimated according to the product of the difference value and the estimated signal propagation speed of the signal in the optical fiber, and the specific geographic position information of the terminal equipment has important significance for mining the user behavior data of the terminal equipment.
In addition, functional units in the embodiments disclosed in the present application may be integrated into one processing module, or each module may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
Fig. 2 is a schematic structural diagram of a system for device positioning according to an embodiment of the present disclosure. As shown in fig. 2, an embodiment of the present disclosure provides a system for device positioning, including: a processor (processor)200, and a memory (memory)201 storing program instructions, may also include a Communication Interface 202 and a bus 203. The processor 200, the communication interface 202 and the memory 201 can communicate with each other through the bus 203. The communication interface 202 may be used for information transfer. The processor 200 may invoke logic instructions in the memory 201 to perform the above-described embodiments for the device location method.
In addition, the logic instructions in the memory 201 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 201 is a computer-readable storage medium, and can be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 200 executes the functional application and data processing by executing the software program, instructions and modules stored in the memory 201, namely, implements the method for device location in the above method embodiments.
The memory 201 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the memory 201 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides a computer-readable storage medium, on which a program for device positioning is stored, and when the program for device positioning is executed by a processor, the method for device positioning is implemented.
Embodiments of the present disclosure provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the above-described method for device positioning.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, which is stored in a storage medium and includes one or more instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, so that those skilled in the art may apply the above-described modifications and variations to the present invention without departing from the spirit of the present invention.
Claims (10)
1. A method for device positioning, comprising:
a distance acquisition step: the device comprises a signal transmission speed calculation module, a request module and a server, wherein the signal transmission speed calculation module is used for calculating and obtaining the distance between the device and at least one server according to the signal transmission speed, the request time of the device for sending a request and the receiving time of the at least one server for receiving the request;
and (3) equipment positioning: and calculating to obtain an estimated position of the equipment at a certain time point according to the distance.
2. The method of claim 1, wherein the device positioning step further comprises:
and obtaining the estimated position of the equipment in a certain time period according to the estimated positions of the equipment at a plurality of time points in the time period.
3. The method of claim 1, further comprising:
a signal propagation speed obtaining step: and the signal propagation speed is obtained according to the time when other equipment sends the request, the time when the server receives the request, the server position information and the physical region information of the other equipment.
4. The method of claim 3, wherein the signal propagation speed obtaining step further comprises: and updating the signal propagation speed according to a preset time interval.
5. The method of claim 3, wherein the signal propagation speed obtaining step further comprises averaging a plurality of the signal propagation speeds to obtain an average signal propagation speed, and calculating and obtaining the distance between the device and the at least one server according to the average signal propagation speed, the request time and the receiving time.
6. The method of claim 2, wherein the device positioning step further comprises:
device location range determination: determining a device position range corresponding to each server in the plurality of servers according to the distance;
a time point estimated position determination step: determining an intersection point of the plurality of device location ranges, the intersection point being the estimated location of the certain time point;
time period estimation position determination step: and calculating the central point of the intersection point area, wherein the central point is the estimated position of the certain time period.
7. The method of claim 6, wherein the device location range determining step further comprises calculating a location range of the device corresponding to the server according to the following formula,
wherein x is the abscissa of the device position, y is the ordinate of the device position, SLoniFor the longitudinal position of the server, SLATiAs the latitude position of the server, DiM is the number of servers, which is the distance between each server and the device.
8. An apparatus for device positioning, comprising:
the distance acquisition module is used for calculating and obtaining the distance between the equipment and the at least one server according to the signal propagation speed, the request time of the equipment for sending the request and the receiving time of the at least one server for receiving the request;
and the equipment positioning module is used for calculating to obtain an estimated position of the equipment at a certain time point according to the distance and obtaining the estimated position of the equipment at a certain time period according to the estimated positions of the equipment at a plurality of time points in a certain time period.
9. A system for device localization comprising a processor and a memory storing program instructions, characterized in that the processor is configured to perform the method for device localization as claimed in any one of claims 1 to 7 when executing the program instructions.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a program for device positioning, which when executed by a processor, implements the method for device positioning according to any one of claims 1 to 7.
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| CN113810232A (en) * | 2021-09-16 | 2021-12-17 | 北京百度网讯科技有限公司 | Fault area determination method and device, electronic equipment and storage medium |
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| CN113810232B (en) * | 2021-09-16 | 2024-02-23 | 北京百度网讯科技有限公司 | Fault area determination method, device, electronic equipment and storage medium |
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