CN107302755B - Vehicle positioning acquisition method and system - Google Patents
Vehicle positioning acquisition method and system Download PDFInfo
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- CN107302755B CN107302755B CN201710668788.7A CN201710668788A CN107302755B CN 107302755 B CN107302755 B CN 107302755B CN 201710668788 A CN201710668788 A CN 201710668788A CN 107302755 B CN107302755 B CN 107302755B
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- 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
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
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- H—ELECTRICITY
- 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
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Abstract
The embodiment of the invention provides a method and a system for obtaining vehicle positioning, and relates to the technical field of positioning. The method comprises the steps that first signals are sent to a WIFI probe through a vehicle positioning tag, the vehicle positioning tag is used for being installed on a vehicle to mark the vehicle, then the WIFI probe obtains an MAC address, signal strength and signal direction of the vehicle positioning tag according to the first signals, the MAC address, the signal strength, the signal direction and longitude and latitude of the WIFI probe are sent to a positioning server, and finally the positioning server calculates position information of the vehicle positioning tag according to the MAC address, the signal strength, the signal direction and the longitude and latitude. The method and the system for obtaining the vehicle positioning provided by the embodiment of the invention realize a positioning scheme with low cost and multi-environment applicability.
Description
Technical Field
The invention relates to the technical field of positioning, in particular to a method and a system for obtaining vehicle positioning.
Background
The present mainstream location scheme all needs to carry the location label that possesses the identification function on the location vehicle, and based on the location label, vehicle positioning technology has multiple implementation scheme, mainly includes location scheme based on GPS or big dipper technique, two kinds of location schemes based on the RFID technique.
The vehicle positioning based on the GPS or Beidou technology receives satellite positioning information by using a GPS/Beidou receiving module in a target vehicle so as to acquire the position of the vehicle, and then sends the positioning data to a far-end background through a cellular network so as to realize the target positioning and the transmission of the positioning information. However, positioning based on the GPS or the beidou technology can only be used outdoors, and requires a cellular network to remotely return positioning data, which is high in continuous cost.
According to the positioning technology based on the RFID, an RFID tag needs to be installed on a target vehicle, then an RFID receiving base station is specially built, so that a tag signal is received by the special RFID base station, the target positioning is achieved, the RFID base station can transmit target position information to a far-end background, and the target positioning and the transmission of positioning information are achieved. However, the positioning scheme based on the RFID technology also requires a dedicated RFID base station, which is relatively high in cost.
Disclosure of Invention
In view of the above, an object of the embodiments of the present invention is to provide a method and a system for positioning a vehicle, so as to implement a low-cost multi-environment-adaptive positioning scheme.
In a first aspect, an embodiment of the present invention provides a method for obtaining a vehicle location, where the method includes: the method comprises the steps that a vehicle positioning tag sends a first signal to a WIFI probe, and the vehicle positioning tag is used for being installed on a vehicle to mark the vehicle; the WIFI probe acquires the MAC address, the signal strength and the signal direction of the vehicle positioning tag according to the first signal; the WIFI probe sends the MAC address, the signal strength, the signal direction and the longitude and latitude of the WIFI probe to a positioning server; and the positioning server calculates the position information of the vehicle positioning label according to the MAC address, the signal strength, the signal direction and the longitude and latitude.
In a preferred embodiment of the present invention, the vehicle positioning tag is disposed in the vehicle and coupled to a battery in the vehicle.
In a preferred embodiment of the present invention, when the vehicle positioning tag is disconnected from the battery, the vehicle positioning tag sends a second signal to the WIFI probe; the WIFI probe generates an alarm signal according to the second signal and sends the alarm signal to the positioning server; and the positioning server sends the alarm signal to the vehicle owner matched with the vehicle positioning label.
In a preferred embodiment of the present invention, the above-mentioned WIFI probe generates an alarm signal according to the second signal and sends the alarm signal to the positioning server, including: the WIFI probe judges the data format type of the second signal; and when the WIFI probe judges that the data format type of the second signal is the data format type for uniquely identifying the disconnection of the vehicle positioning label and the storage battery, generating an alarm signal according to the second signal and sending the alarm signal to the positioning server.
In a preferred embodiment of the present invention, the sending, by the vehicle positioning tag, the first signal to the WIFI probe includes: the vehicle positioning tag judges the state of the vehicle; when the vehicle positioning tag judges that the vehicle is in a moving state, sending a first signal to the WIFI probe according to a first preset interval time; when the vehicle positioning tag judges that the vehicle is in a static state, a first signal is sent to the WIFI probe according to a second preset interval time and in a mode of gradually increasing the second preset interval time.
In a preferred embodiment of the present invention, after the step of sending the first signal to the WIFI probe according to a second preset interval and gradually increasing the second preset interval when the vehicle positioning tag determines that the vehicle is in a stationary state, the method further includes: and when the second preset interval time is gradually increased to a third preset interval time, sending a first signal to the WIFI probe according to the third preset interval time.
In a preferred embodiment of the present invention, the first predetermined interval is 2 seconds, and the third predetermined interval is 5 minutes.
In a preferred embodiment of the present invention, the sending, by the vehicle positioning tag, the first signal to the WIFI probe includes: the vehicle locating tag sends a first signal to the WIFI probe based on the 802.11 standard.
In a preferred embodiment of the present invention, the vehicle positioning tag is provided with a housing for protecting the vehicle positioning tag when the vehicle positioning tag is placed outdoors.
In a second aspect, an embodiment of the present invention provides a system for vehicle positioning and acquisition, where the system includes a vehicle positioning tag, a WIFI probe, and a positioning server, where: the vehicle positioning tag is used for sending a first signal to the WIFI probe, and is used for being mounted on a vehicle to mark the vehicle; the WIFI probe is used for acquiring the MAC address, the signal strength and the signal direction of the vehicle positioning tag according to the first signal; the WIFI probe is used for sending the MAC address, the signal strength, the signal direction and the longitude and latitude of the WIFI probe to a positioning server; and the positioning server is used for calculating the position information of the vehicle positioning label according to the MAC address, the signal strength, the signal direction and the longitude and latitude.
The vehicle positioning acquisition method and system provided by the embodiment of the invention firstly send a first signal to the WIFI probe through the vehicle positioning tag, the vehicle positioning tag is used for being installed on a vehicle to mark the vehicle, then the WIFI probe acquires the MAC address, the signal strength and the signal direction of the vehicle positioning tag according to the first signal, sends the MAC address, the signal strength, the signal direction and the longitude and latitude of the WIFI probe to the positioning server, and finally the positioning server calculates the position information of the vehicle positioning tag according to the MAC address, the signal strength, the signal direction and the longitude and latitude, thereby realizing a positioning scheme with low cost and multi-environment applicability.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram illustrating a WIFI probe interacting with a vehicle positioning tag and a positioning server, respectively, according to an embodiment of the present invention;
fig. 2 is a block diagram of an electronic device according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of a method for vehicle location acquisition according to a first embodiment of the present invention;
FIG. 4 is a flowchart illustrating a method for vehicle location acquisition according to a second embodiment of the present invention;
fig. 5 is a flowchart illustrating a method for obtaining a vehicle location according to a third 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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Fig. 1 is a schematic diagram of a WIFI probe 100 interacting with a positioning server 200 and a vehicle positioning tag 300 respectively according to an embodiment of the present invention, where the WIFI probe 100 is in communication connection with one or more vehicle positioning tags 300 through a network, and the positioning server 200 communicates with one or more WIFI probes 100 through the network to perform data communication or interaction. The positioning server 200 may be a network server, a database server, or the like, or may be a terminal such as a Personal Computer (PC), a tablet computer, a smart phone, a Personal Digital Assistant (PDA), a wearable device, or the like.
As shown in fig. 2, is a block schematic diagram of an electronic device 400. The electronic device 400 includes: memory 410, memory controller 420, processor 430, peripheral interface 440, input output unit 450, audio unit 460, display unit 470.
The memory 410, the memory controller 420, the processor 430, the peripheral interface 440, the input/output unit 450, the audio unit 460, and the display unit 470 are electrically connected to each other directly or indirectly to realize data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The processor 430 is used to execute the executable modules stored in the memory 410.
The Memory 410 may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), and the like. The memory 410 is used for storing a program, the processor 430 executes the program after receiving an execution instruction, and the method executed by the server defined by the flow process disclosed in any of the foregoing embodiments of the present invention may be applied to the processor 430, or implemented by the processor 430.
Processor 430 may be an integrated circuit chip having signal processing capabilities. The Processor 430 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The peripheral interface 440 couples various input/output devices to the processor 430 and the memory 410. In some embodiments, the peripheral interface 440, the processor 430, and the memory controller 420 may be implemented in a single chip. In other examples, they may be implemented separately from the individual chips.
The input/output unit 450 is used for providing input data to the user to realize the interaction of the user with the electronic device 400. The input/output unit 450 may be, but is not limited to, a mouse, a keyboard, and the like.
The display unit 470 provides an interactive interface (e.g., a user operation interface) between the electronic device 400 and a user or for displaying image data to a user reference. In this embodiment, the display unit 470 may be a liquid crystal display or a touch display. In the case of a touch display, the display can be a capacitive touch screen or a resistive touch screen, which supports single-point and multi-point touch operations. Supporting single-point and multi-point touch operations means that the touch display can sense touch operations from one or more locations on the touch display at the same time, and the sensed touch operations are sent to the processor 430 for calculation and processing.
First embodiment
Referring to fig. 3, fig. 3 is a flowchart illustrating a method for obtaining a vehicle location according to a first embodiment of the present invention, and the method will be described in detail with reference to the flowchart illustrated in fig. 3, and includes:
step S110: the vehicle positioning tag sends a first signal to the WIFI probe, and the vehicle positioning tag is used for being installed on a vehicle to mark the vehicle.
As an implementation manner of this embodiment, a vehicle locating tag is set on a vehicle to be monitored, and the vehicle locating tag is used for identifying the vehicle, and it can be understood that one vehicle locating tag corresponds to only one vehicle. Meanwhile, in a preset area of a vehicle needing to be monitored, a WIFI probe is arranged and used for receiving a signal sent by the vehicle positioning tag, wherein the WIFI probe is fixed WIFI probe equipment, the cost is low, and the WIFI probe can be deployed in any environment. The vehicle location label sends first signal and gives the WIFI probe, and is preferred, and this vehicle location label sends first signal and gives the WIFI probe based on 802.11 standard to guarantee that this vehicle location label has better stability and better environmental suitability.
In this embodiment, the vehicle location label is along with the vehicle motion that needs were monitored, and probably be located indoorly, also probably be located outdoors, when the vehicle location label is located outdoors, relatively easy damage, life is shorter, consequently, as a mode, this vehicle location label is provided with the shell, and this shell is used for when the vehicle location label sets up outdoors, carries out certain protection to this vehicle location label, can be can play waterproof, dirt-proof effect, effectively avoids this vehicle location label to set up in outdoors and the problem of damage for a long time.
Step S120: and the WIFI probe acquires the MAC address, the signal strength and the signal direction of the vehicle positioning tag according to the first signal.
As a mode, the WIFI probe receives a first signal sent by the vehicle positioning tag in a wired or wireless mode by adjusting a signal receiving range of the WIFI probe, and acquires a MAC address, a signal strength, and a signal direction of the vehicle positioning tag according to the first signal. In this embodiment, the MAC address, the signal strength, and the signal direction of the vehicle positioning tag may be acquired by attaching the MAC address, the signal strength, and the signal direction of the vehicle positioning tag to the first signal and then analyzing the first signal through the WIFI probe; the MAC address, the signal strength and the signal direction of the vehicle positioning tag can also be directly detected through the WIFI probe.
Step S130: and the WIFI probe sends the MAC address, the signal strength, the signal direction and the longitude and latitude of the WIFI probe to a positioning server.
In this embodiment, the WIFI probe acquires the longitude and latitude of itself, that is, acquires the location information of itself, and sends the acquired MAC address, signal strength, signal direction, and the longitude and latitude of itself of the vehicle positioning tag to the positioning server.
Step S140: and the positioning server calculates the position information of the vehicle positioning label according to the MAC address, the signal strength, the signal direction and the longitude and latitude.
After the positioning server acquires the MAC address, the signal strength, the signal direction and the longitude and latitude sent by the WIFI probe, the position information of the vehicle positioning tag is obtained through calculation according to the MAC address, the signal strength, the signal direction and the longitude and latitude of the vehicle positioning tag. As can be understood, since the vehicle positioning tag is provided on the monitored vehicle, when the positioning server acquires the position information of the vehicle positioning tag, the position information of the monitored vehicle is also acquired.
The vehicle positioning and acquiring method provided by the first embodiment of the invention firstly sends a first signal to the WIFI probe through the vehicle positioning tag, the vehicle positioning tag is used for being installed on a vehicle to mark the vehicle, then the WIFI probe acquires the MAC address, the signal strength and the signal direction of the vehicle positioning tag according to the first signal, sends the MAC address, the signal strength, the signal direction and the longitude and latitude of the WIFI probe to the positioning server, and finally the positioning server calculates the position information of the vehicle positioning tag according to the MAC address, the signal strength, the signal direction and the longitude and latitude, thereby realizing a positioning scheme with low cost and multi-environment applicability.
Second embodiment
Referring to fig. 4, fig. 4 shows a flowchart of a method for obtaining a vehicle location according to a second embodiment of the present invention, and the method will be described in detail with reference to the flowchart shown in fig. 4, and includes:
step S210: when the vehicle positioning label and the storage battery are disconnected, the vehicle positioning label sends a second signal to the WIFI probe.
As an implementation manner of this embodiment, the vehicle positioning tag is disposed in the monitored vehicle and coupled with a storage battery in the vehicle, that is, a positive power line and a negative power line of the vehicle positioning tag are connected to a positive electrode and a negative electrode of the storage battery in the monitored vehicle, and the storage battery is used for supplying power to the vehicle positioning tag. Preferably, the vehicle positioning tag supports various specifications such as 12V, 24V, and the like.
Wherein, when vehicle location label and storage battery disconnection, when judging vehicle location label's storage battery power supply promptly and cut off, this vehicle location label sends the second signal and gives the WIFI probe. As one mode, a power supply battery is arranged inside the vehicle positioning tag, and when the power supply of a storage battery of the vehicle positioning tag is cut off, the vehicle positioning tag is powered by the power supply battery.
Step S220: and the WIFI probe judges the data format type of the second signal.
It can be understood that after the WIFI probe receives the second signal, the data format type of the second signal is judged.
Step S230: and when the WIFI probe judges that the data format type of the second signal is the data format type for uniquely identifying the disconnection of the vehicle positioning label and the storage battery, generating an alarm signal according to the second signal and sending the alarm signal to the positioning server.
In this embodiment, when the data format type that the WIFI probe judged the second signal is for being used for the data format type of this vehicle location label of unique identification and storage battery disconnection, this WIFI probe generated alarm signal and sent this alarm signal for positioning server according to this second signal. The WIFI probe is preset with a data format type when the vehicle positioning label and the storage battery are disconnected, after the second signal is received, the preset data format type is matched with the data format type of the second signal sent by the vehicle positioning label, and when the preset data format type is matched with the data format type of the second signal sent by the vehicle positioning label, the second signal is represented as a signal when the vehicle positioning label and the storage battery are disconnected.
Step S240: and the positioning server sends the alarm signal to the vehicle owner matched with the vehicle positioning label.
After receiving the alarm signal sent by the WIFI probe, the positioning server immediately sends the alarm signal to the vehicle owner matched with the vehicle positioning tag sending the second signal, so that the anti-theft alarm capability is expanded on the basis of the positioning function.
Third embodiment
Referring to fig. 5, fig. 5 shows a flowchart of a method for obtaining a vehicle position according to a third embodiment of the present invention, and the method will be described in detail with reference to the flowchart shown in fig. 5, and includes:
step S310: the vehicle positioning tag judges a state of the vehicle.
In the present embodiment, a vibration detection device is provided in advance in the vehicle positioning tag, and the vehicle positioning tag determines the state of the vehicle from a signal detected by the vibration detection device. It will be appreciated that the vehicle is characterized as being in motion or in an active state when the vibration detection means detects a vibration signal and as being in a stationary state when the vibration detection means does not detect a vibration signal.
Step S320: when the vehicle is judged to be in a moving state by the vehicle positioning tag, a first signal is sent to the WIFI probe according to a first preset interval time.
As a mode, when the vehicle location label judges that the vehicle is in a motion state, namely when the vibration detection device detects a vibration signal, the vehicle location label sends a first signal to the WIFI probe according to a first preset interval time. Wherein, first preset interval time can be injectd according to specific demand, and is preferred, and this first preset interval time is 2 seconds, if the vehicle is in motion state always, then this vehicle location label sends the first signal of once every 2 seconds for the WIFI probe, can not stop.
Step S330: when the vehicle positioning tag judges that the vehicle is in a static state, a first signal is sent to the WIFI probe according to a second preset interval time and in a mode of gradually increasing the second preset interval time.
As another mode, when the vehicle positioning tag determines that the vehicle is in a stationary state, that is, when the vibration detection device does not detect the vibration signal, the vehicle positioning tag sends the first signal to the WIFI probe according to a second preset interval time and by gradually increasing the second preset interval time. The second preset interval time may be changed according to a specific requirement, and is not limited herein, it may be understood that increasing the second preset interval time may also be changed according to a specific requirement, the second preset interval time may be increased in a manner of increasing by 10S each time, the second preset interval time may be increased in a manner of increasing by 20S each time, and the like, and is not limited herein.
Step S340: and when the second preset interval time is gradually increased to a third preset interval time, sending a first signal to the WIFI probe according to the third preset interval time.
In this embodiment, when the second preset interval time is gradually increased to the third preset interval time, the first signal is sent to the WIFI probe according to the third preset interval time. As can be understood, when no vibration signal is detected, the vehicle positioning tag sends the first signal to the WIFI probe according to the second preset interval time and in a manner of gradually increasing the second preset interval time, if the second preset interval time is increased all the time, the effect of detecting the vehicle positioning information in real time is not achieved, therefore, when the second preset interval time is gradually increased to the third preset interval time, the third preset interval time is kept unchanged, that is, the third preset interval time is kept to send the first signal to the WIFI probe. The third preset interval time can be limited according to specific requirements, preferably is 5 minutes, and if the vehicle is always in a static state, the vehicle positioning tag sends a first signal to the WIFI probe every 5 minutes without stopping.
It can be understood that through this kind of mode, can effectually protect the storage battery, prevent that the interaction of no control data from leading to the excessive problem of storage battery consumption, the life of extension storage battery.
Step S350: and the WIFI probe acquires the MAC address, the signal strength and the signal direction of the vehicle positioning tag according to the first signal.
Step S360: and the WIFI probe sends the MAC address, the signal strength, the signal direction and the longitude and latitude of the WIFI probe to a positioning server.
Step S370: and the positioning server calculates the position information of the vehicle positioning label according to the MAC address, the signal strength, the signal direction and the longitude and latitude.
Fourth embodiment
This embodiment still provides a system that vehicle location was obtained, the system includes vehicle location label, WIFI probe and location server, wherein:
the vehicle positioning tag is used for sending a first signal to the WIFI probe, and the vehicle positioning tag is used for being installed on a vehicle to mark the vehicle.
The WIFI probe is used for acquiring the MAC address, the signal strength and the signal direction of the vehicle positioning tag according to the first signal.
And the WIFI probe is used for sending the MAC address, the signal strength, the signal direction and the longitude and latitude of the WIFI probe to a positioning server.
And the positioning server is used for calculating the position information of the vehicle positioning label according to the MAC address, the signal strength, the signal direction and the longitude and latitude.
In summary, the method and system for vehicle positioning acquisition according to the embodiments of the present invention first send a first signal to a WIFI probe through a vehicle positioning tag, where the vehicle positioning tag is used to be installed on a vehicle to mark the vehicle, then the WIFI probe acquires an MAC address, a signal strength, and a signal direction of the vehicle positioning tag according to the first signal, sends the MAC address, the signal strength, the signal direction, and a longitude and latitude of the WIFI probe to a positioning server, and finally the positioning server calculates position information of the vehicle positioning tag according to the MAC address, the signal strength, the signal direction, and the longitude and latitude, thereby implementing a positioning scheme with low cost and multiple environmental applicability.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing 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 according to the embodiments of the present invention. And the aforementioned storage medium includes: 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. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (9)
1. A method of vehicle position acquisition, the method comprising:
the method comprises the steps that a vehicle positioning tag sends a first signal to a WIFI probe, and the vehicle positioning tag is used for being installed on a vehicle to mark the vehicle; the WIFI probe is fixed WIFI probe equipment;
the WIFI probe acquires the MAC address, the signal strength and the signal direction of the vehicle positioning tag according to the first signal;
the WIFI probe sends the MAC address, the signal strength, the signal direction and the longitude and latitude of the WIFI probe to a positioning server;
the positioning server calculates the position information of the vehicle positioning label according to the MAC address, the signal strength, the signal direction and the longitude and latitude;
wherein, vehicle location label sends first signal and gives the WIFI probe, includes: the vehicle positioning tag judges the state of the vehicle; when the vehicle positioning tag judges that the vehicle is in a moving state, sending a first signal to the WIFI probe according to a first preset interval time; when the vehicle positioning tag judges that the vehicle is in a static state, a first signal is sent to the WIFI probe according to a second preset interval time and in a mode of gradually increasing the second preset interval time.
2. The method of claim 1, wherein the vehicle location tag is disposed within the vehicle and coupled with a battery within the vehicle.
3. The method of claim 2, further comprising:
when the vehicle positioning tag is disconnected with the storage battery, the vehicle positioning tag sends a second signal to the WIFI probe;
the WIFI probe generates an alarm signal according to the second signal and sends the alarm signal to the positioning server;
and the positioning server sends the alarm signal to the vehicle owner matched with the vehicle positioning label.
4. The method of claim 3, wherein the WIFI probe generates an alarm signal according to the second signal and sends the alarm signal to the location server, and wherein the method comprises:
the WIFI probe judges the data format type of the second signal;
and when the WIFI probe judges that the data format type of the second signal is the data format type for uniquely identifying the disconnection of the vehicle positioning label and the storage battery, generating an alarm signal according to the second signal and sending the alarm signal to the positioning server.
5. The method of claim 1, wherein after the vehicle locating tag determines that the vehicle is in a stationary state and gradually increases the second preset interval time to send the first signal to the WIFI probe according to the second preset interval time, the method further comprises:
and when the second preset interval time is gradually increased to a third preset interval time, sending a first signal to the WIFI probe according to the third preset interval time.
6. The method according to claim 5, characterized in that said first preset interval of time is 2 seconds and said third preset interval of time is 5 minutes.
7. The method of claim 1, wherein the vehicle locating tag sends a first signal to a WIFI probe, comprising:
the vehicle locating tag sends a first signal to the WIFI probe based on the 802.11 standard.
8. The method of claim 1, wherein the vehicle locating tag is provided with a housing for protecting the vehicle locating tag when the vehicle locating tag is provided outdoors.
9. The utility model provides a system that vehicle location acquireed, its characterized in that, the system includes vehicle location label, WIFI probe and location server, wherein:
the vehicle positioning tag is used for sending a first signal to the WIFI probe, and is used for being mounted on a vehicle to mark the vehicle; the WIFI probe is fixed WIFI probe equipment;
the WIFI probe is used for acquiring the MAC address, the signal strength and the signal direction of the vehicle positioning tag according to the first signal;
the WIFI probe is used for sending the MAC address, the signal strength, the signal direction and the longitude and latitude of the WIFI probe to a positioning server;
the positioning server is used for calculating the position information of the vehicle positioning label according to the MAC address, the signal strength, the signal direction and the longitude and latitude;
the vehicle positioning tag is also used for judging the state of the vehicle; when the vehicle positioning tag judges that the vehicle is in a moving state, sending a first signal to the WIFI probe according to a first preset interval time; when the vehicle positioning tag judges that the vehicle is in a static state, a first signal is sent to the WIFI probe according to a second preset interval time and in a mode of gradually increasing the second preset interval time.
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| CN106961669A (en) * | 2017-04-18 | 2017-07-18 | 云熠信息科技有限公司 | A kind of location information acquisition method and system based on WiFi probes |
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| CN102223707A (en) * | 2010-04-15 | 2011-10-19 | 上海启电信息科技有限公司 | Mobile positioning beacon device |
| US9435653B2 (en) * | 2013-09-17 | 2016-09-06 | GM Global Technology Operations LLC | Sensor-aided vehicle positioning system |
| US9936364B2 (en) * | 2014-07-03 | 2018-04-03 | Cisco Technology, Inc. | Mobile device wireless identifier assignment for emergency calls |
| CN104442700B (en) * | 2014-12-02 | 2017-04-26 | 江苏舟航物联网技术有限公司 | Multi-mode car searching method, multi-mode car searching device and multi-mode car searching system |
| CN106093922B (en) * | 2016-05-31 | 2018-05-22 | 河南航飞光电科技有限公司 | A kind of indoor orientation method sensed based on RSSI and infrared human body |
| CN106443576A (en) * | 2016-08-30 | 2017-02-22 | 上汽通用汽车有限公司 | Vehicle positioning method, apparatus and system |
| CN106899935B (en) * | 2017-01-18 | 2018-08-14 | 深圳大学 | A kind of indoor orientation method and system based on radio receiver and camera |
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| CN105813019A (en) * | 2016-03-08 | 2016-07-27 | 深圳市百米生活股份有限公司 | WIFI hotspot device-based positioning management method |
| CN106909991A (en) * | 2017-03-02 | 2017-06-30 | 北京紫东科技有限公司 | Digital plant management method, device and system |
| CN106961669A (en) * | 2017-04-18 | 2017-07-18 | 云熠信息科技有限公司 | A kind of location information acquisition method and system based on WiFi probes |
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