CN109362028B - Parking lot positioning method, device and system - Google Patents
Parking lot positioning method, device and system Download PDFInfo
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- CN109362028B CN109362028B CN201811257241.9A CN201811257241A CN109362028B CN 109362028 B CN109362028 B CN 109362028B CN 201811257241 A CN201811257241 A CN 201811257241A CN 109362028 B CN109362028 B CN 109362028B
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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
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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
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
- H04W8/205—Transfer to or from user equipment or user record carrier
Abstract
The invention relates to a parking lot positioning method, device and system. A parking lot location method implemented from the perspective of a parking server, comprising the steps of: when receiving a terminal identification code sent by a first micro base station, acquiring a license plate number of a current driving vehicle, and transmitting the terminal identification code to each second micro base station; receiving terminal measurement information which is sent by a second micro base station and fed back based on the terminal identification code, and confirming parking position information according to the terminal measurement information; and generating a mapping relation among the terminal identification code, the license plate number and the parking position information, and updating the parking information based on the mapping relation. This application utilizes the little basic station of mobile network in the parking area to carry out continuous location to the terminal on the vehicle, and then confirms the removal condition of the vehicle that corresponds through the positional information of terminal for parking area positioning system can fuse well with the mobile network in the parking area, avoids the unable condition of fixing a position after location article are lost or positioning device damages, has improved parking area positioning system's reliability.
Description
Technical Field
The application relates to the field of intelligent parking, in particular to a parking lot positioning method, device and system.
Background
In recent years, with the increase of the number of vehicles, the problem of parking has been receiving increasing attention. When a driver drives into a parking lot to search for a parking space to park, the driver needs to spend a lot of time to search for an idle parking space due to the fact that the driver is not familiar with the design of the parking lot and the number of parked vehicles is large. Also, when the driver intends to leave, it takes much time to find the vehicle.
In order to facilitate a driver to accurately and quickly find an idle parking space and a vehicle parking position, the traditional technology is realized based on technologies such as Radio Frequency Identification (RFID) and the like. A set of positioning system is newly built in a parking lot to realize the positioning function, and the parking position of the vehicle is determined by adopting card swiping positioning, RFID card positioning and bar code printing positioning.
In the implementation process, the inventor finds that at least the following problems exist in the conventional technology: the traditional technology needs other positioning articles or positioning equipment, and when the positioning articles are lost or the positioning equipment is damaged, positioning cannot be carried out, so that the reliability of the traditional parking positioning system is poor.
Disclosure of Invention
Therefore, it is necessary to provide a parking lot location method, device and system with better reliability for solving the problem that the conventional parking lot location system is unreliable.
In order to achieve the above object, in one aspect, an embodiment of the present invention provides a parking lot location method implemented from a parking server perspective, including the following steps:
when receiving a terminal identification code sent by a first micro base station, acquiring a license plate number of a current driving vehicle, and transmitting the terminal identification code to each second micro base station;
receiving terminal measurement information which is sent by a second micro base station and fed back based on the terminal identification code, and confirming parking position information according to the terminal measurement information;
generating a mapping relation among the terminal identification code, the license plate number and the parking position information, and updating the parking information based on the mapping relation; the parking information is used to respond to a parking location query.
In one embodiment, the step of receiving terminal measurement information fed back based on the terminal identification code and sent by the second micro base station, and confirming parking position information according to the terminal measurement information comprises:
continuously positioning a terminal corresponding to the terminal identification code based on the terminal measurement information to obtain the positioning information of the terminal; the terminal measurement information comprises the signal intensity of the terminal and the signal propagation time of the terminal;
confirming the positioning information which accords with a preset positioning rule as the parking position information; the positioning rule is that the positioning information continuously falls into the area range of the same parking area for multiple times.
In one embodiment, the method further comprises the following steps after the parking information is updated based on the mapping relation:
transmitting the mapping relation to a parking inquiry system; the mapping is used to instruct the parking inquiry system to respond to the parking location inquiry.
In one embodiment, the step of transmitting the terminal identification code to each second micro base station includes:
and broadcasting the terminal identification code to each second micro base station in a background mode.
In one embodiment, the terminal identification code is a TMSI code or an IMSI code.
In one aspect, an embodiment of the present invention provides a parking lot location method implemented from a first micro base station perspective, including the following steps:
and when the terminal is accessed and the moving direction of the terminal is confirmed to meet the preset entering direction, acquiring a terminal identification code of the terminal, and sending the terminal identification code to the parking server.
In one embodiment, the step of confirming that the moving direction of the terminal satisfies the preset entering direction includes:
when the terminal is switched to access the base station, the moving direction of the terminal is confirmed to meet the preset entering direction; or the like, or, alternatively,
and when a vehicle entrance notification of the vehicle entrance guard recognition system is received, confirming that the moving direction of the terminal meets the preset entrance direction.
On the other hand, the embodiment of the invention also provides a parking lot positioning method implemented from the perspective of the second micro base station, which comprises the following steps:
measuring a terminal signal of a terminal corresponding to the terminal identification code based on the terminal identification code sent by the parking server to obtain terminal measurement information;
and transmitting the terminal measurement information to a parking server.
In one aspect, an embodiment of the present invention provides a parking lot location device implemented from a parking server perspective, including:
the license plate acquisition module is used for acquiring the license plate number of the current driving vehicle when receiving the terminal identification code sent by the first micro base station;
the terminal identification code transmission module is used for transmitting the terminal identification codes to the second micro base stations;
the parking position information confirmation module is used for receiving terminal measurement information which is sent by the second micro base station and is based on terminal identification code feedback, and confirming parking position information according to the terminal measurement information;
the mapping relation generating module is used for generating the mapping relation among the terminal identification code, the license plate number and the parking position information and updating the parking information based on the mapping relation; the parking information is used to respond to a parking location query.
In one aspect, an embodiment of the present invention provides a parking lot location device implemented from a first micro base station perspective, including:
the terminal identification code acquisition module is used for acquiring a terminal identification code of the terminal when the terminal is accessed and the moving direction of the terminal is confirmed to meet the preset entering direction;
and the terminal identification code sending module is used for sending the terminal identification code to the parking server.
On the other hand, an embodiment of the present invention further provides a parking lot location device implemented from a second micro base station perspective, including:
the system comprises a measurement module, a terminal identification code acquisition module and a control module, wherein the measurement module is used for measuring a terminal signal of a terminal corresponding to the terminal identification code based on the terminal identification code sent by the parking server to obtain terminal measurement information;
and the terminal measurement information sending module is used for transmitting the terminal measurement information to the parking server.
In one aspect, an embodiment of the present invention provides a base station, where the base station is configured to implement any one of the steps of the parking lot location method implemented from the perspective of the micro base station.
In one aspect, an embodiment of the present invention provides a parking lot location system, including a first micro base station disposed at an entrance of a parking lot and a plurality of second micro base stations distributed in the parking lot; the first micro base station and each second micro base station are used for connecting a parking server;
the parking server is used for realizing the step of the parking lot positioning method implemented from the perspective of the parking server;
the first micro base station is used for realizing the step of the parking lot positioning method implemented from the angle of the first micro base station;
the second micro base station is used for implementing any one of the steps of the parking lot location method implemented from the perspective of the second micro base station.
In another aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement any one of the steps of the parking lot location method.
One of the above technical solutions has the following advantages and beneficial effects:
whether a vehicle enters or not is confirmed through a first micro base station by using the deployment of the micro base stations based on the mobile network in the parking lot, and a terminal identification code of a terminal on the entering vehicle is obtained, so that the vehicle is continuously positioned based on the terminal identification code, and the parking lot positioning system can be well fused with the mobile network in the parking lot; meanwhile, the movement condition of the vehicle corresponding to the terminal is determined through the position information of the terminal, so that the vehicle can be positioned in the parking lot without adopting other positioning objects such as a parking card and an RFID label or positioning equipment such as a landmark reference node, and the problem that the positioning objects are lost or the positioning equipment cannot be positioned after being damaged is avoided. This application can be based on little basic station cover, fixes a position the terminal in the parking area automatically, has improved parking area positioning system's reliability.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a diagram of an exemplary parking lot location method;
FIG. 2 is a first schematic flow chart diagram of a parking lot location method from the perspective of a parking server in one embodiment;
FIG. 3 is a second schematic flow chart diagram of a parking lot location method from the perspective of a parking server in one embodiment;
FIG. 4 is a first schematic flow chart diagram of a parking lot location method from the perspective of a first micro base station in one embodiment;
fig. 5 is a first schematic flow chart of a parking lot location method from the perspective of a second micro base station in one embodiment;
FIG. 6 is a first block diagram of a parking lot location device implemented from the perspective of a parking server in one embodiment;
FIG. 7 is a second block diagram of a parking lot location device implemented from the perspective of a parking server in one embodiment;
FIG. 8 is a block diagram of a parking lot location device implemented from the perspective of a first micro base station in one embodiment;
FIG. 9 is a block diagram of a parking lot location device implemented from the perspective of a second micro base station in one embodiment;
FIG. 10 is a schematic flow chart of an embodiment of a parking lot location system;
fig. 11 is a diagram illustrating an exemplary embodiment of a parking lot location system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The parking lot positioning method provided by the application can be applied to the application environment shown in fig. 1. The terminal 102 may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, and portable wearable devices; the parking server 104 may be implemented by a stand-alone server or a server cluster composed of a plurality of servers; the base station may include a first micro base station and a second micro base station.
In one embodiment, as shown in fig. 2, a parking lot location method is provided, which is described by taking the parking server in fig. 1 as an example, and may include the following steps:
step 202, when receiving the terminal identification code sent by the first micro base station, obtaining the license plate number of the current driving vehicle, and transmitting the terminal identification code to each second micro base station.
The terminal identification code can refer to a unique identifier of the terminal; the first micro base station may refer to a micro base station provided at an entrance of a parking lot; the second micro base station may refer to micro base stations distributed in the parking lot. The first micro base station and the second micro base station are divided according to whether the coverage area of the micro base station covers the area at the entrance of the parking lot and/or whether the micro base station is close to the entrance of the parking lot; in practical applications, the micro base stations whose coverage ranges cover the area at the entrance of the parking lot and are close to the entrance of the parking lot are divided into the first micro base stations, or the micro base stations whose coverage ranges cover the area at the entrance of the parking lot are divided into the first micro base stations.
Specifically, when the parking server receives the terminal identification code sent by the first micro base station, the license plate number of the currently driven vehicle is acquired through a vehicle access identification system installed at an entrance of the parking lot.
In a specific embodiment, the step of transmitting the terminal identification code to each second micro base station includes: and broadcasting the terminal identification code to each second micro base station in a background mode.
Further, the terminal identifier may be an IMSI (International Mobile Subscriber identity) or a TMSI (Temporary Mobile Subscriber identity).
And 204, receiving terminal measurement information which is sent by the second micro base station and fed back based on the terminal identification code, and confirming parking position information according to the terminal measurement information.
Specifically, after the parking server transmits the received terminal identification code to each second micro base station, the second micro base station may periodically measure the terminal on the vehicle based on the terminal identification code, and determine the parking position information according to the measured terminal measurement information.
In a specific example, the step of receiving terminal measurement information sent by the second micro base station and fed back based on the terminal identification code, and confirming the parking position information according to the terminal measurement information includes:
continuously positioning a terminal corresponding to the terminal identification code based on the terminal measurement information to obtain the positioning information of the terminal; the terminal measurement information may include signal strength of the terminal and signal propagation time of the terminal;
confirming the positioning information which accords with a preset positioning rule as the parking position information; the positioning rule is that the positioning information continuously falls into the area range of the same parking area for multiple times.
The terminal measurement information may further include a terminal signal arrival angle of the terminal; the signal strength is the strength of a terminal signal, the signal propagation time is the propagation time of the terminal signal, and the terminal signal arrival angle is the arrival angle of the terminal signal; the terminal signal may be a radio signal.
Specifically, the parking server performs periodic measurement on the terminal corresponding to the terminal identification code by using the second micro base station, receives the terminal measurement information Of the terminal corresponding to the same terminal identification code and reported by one or more second micro base stations, and processes the terminal measurement information by using a positioning algorithm, such as an OTDOA (Observed Time Difference Of Arrival) algorithm, to obtain the positioning information Of the terminal, thereby implementing continuous positioning on the terminal corresponding to the terminal identification code.
Specifically, according to the situation that a plurality of positioning results (namely positioning information) fall into the same free parking space and the sequence of the plurality of free parking spaces meeting the previous requirement, the free parking space corresponding to the terminal is selected as the parking position (namely parking position information) of the entering vehicle, and the parking position information is reported to the parking service system.
It should be noted that, the second micro base station is used to continuously locate the entering vehicle according to the terminal identification code, the second micro base station is used to continuously locate the terminal on the entering vehicle, and the position of the entering vehicle is determined according to the position of the terminal, so as to locate the entering vehicle. The positioning result (namely the positioning information) falls into the same idle parking space for many times, and the positioning result can be set according to practical application for many times so as to realize the positioning of the parking server on the vehicle.
And step 206, generating a mapping relation among the terminal identification code, the license plate number and the parking position information, and updating the parking information based on the mapping relation.
Wherein the parking information is used to respond to a parking location query.
Specifically, the parking server generates a mapping relationship between the terminal identification code, the license plate number, and the parking position information after confirming the parking position information of the incoming vehicle. Based on the mapping relation, when the user inputs any one piece of information in the mapping relation to the parking server, the parking server can feed back other information corresponding to the information to the user; in addition, the parking server can mark the parking area corresponding to the parking position information as a non-free parking space or update the state of the parking area corresponding to the parking position information to be non-free based on the mapping relation.
In a specific embodiment, after updating the parking information based on the mapping relationship, the method may further include the steps of:
transmitting the mapping relation to a parking inquiry system; the mapping is used to instruct the parking inquiry system to respond to the parking location inquiry.
Specifically, the parking inquiry system may refer to an inquiry system running on a parking server, or a parking location APP running on a user terminal; further, when a user inputs a license plate number in a parking inquiry system or a parking positioning APP, guidance such as parking position information corresponding to the license plate number and a corresponding car seeking route can be obtained based on the mapping relation; and determining the direction of the vehicle through the fed-back vehicle searching route.
In addition, the parking inquiry system can be operated independently and is connected with the inquiry system of the parking server, so that a user can conveniently inquire corresponding data.
In the parking lot positioning method, whether a vehicle enters is confirmed through the first micro base station by using the deployment of the micro base stations based on the mobile network in the parking lot, and the terminal identification code of the terminal on the entering vehicle is obtained, so that the vehicle is continuously positioned based on the terminal identification code, and the parking lot positioning system can be well fused with the mobile network in the parking lot; meanwhile, the movement condition of the vehicle corresponding to the terminal is determined through the position information of the terminal, so that the vehicle can be positioned in the parking lot without adopting other positioning objects such as a parking card and an RFID label or positioning equipment such as a landmark reference node, and the problem that the positioning objects are lost or the positioning equipment cannot be positioned after being damaged is avoided. This application can be based on little basic station cover, fixes a position the terminal in the parking area automatically, has improved parking area positioning system's reliability.
For example, as shown in fig. 3, a parking lot positioning method is provided, which is exemplified by the application of the method to the parking server in fig. 1, and may include the following steps:
step 302, when receiving the terminal identification code sent by the first micro base station, obtaining the license plate number of the current driving vehicle, and transmitting the terminal identification code to each second micro base station.
In a specific embodiment, the step of transmitting the terminal identification code to each second micro base station includes: and broadcasting the terminal identification code to each second micro base station in a background mode.
And step 304, establishing the association relationship between the terminal identification code and the license plate number.
Specifically, the parking server performs one-to-one association between the terminal identification code sent by the first micro base station and the license plate number identified by the vehicle access control identification system at the corresponding moment, so as to establish the association relationship between the terminal identification code and the license plate number, thereby facilitating the later-stage establishment of the mapping relationship by the parking server.
Step 306, receiving terminal measurement information which is sent by the second micro base station and fed back based on the terminal identification code, and confirming parking position information according to the terminal measurement information;
the terminal measurement information may include a terminal identification code corresponding to the terminal measured by the second micro base station.
In a specific example, the step of receiving terminal measurement information sent by the second micro base station and fed back based on the terminal identification code, and confirming the parking position information according to the terminal measurement information includes:
continuously positioning a terminal corresponding to the terminal identification code based on the terminal measurement information to obtain the positioning information of the terminal;
confirming the positioning information which accords with a preset positioning rule as the parking position information; the positioning rule is that the positioning information continuously falls into the area range of the same parking area for multiple times.
308, generating a mapping relation among the terminal identification code, the license plate number and the parking position information, and updating the parking information based on the mapping relation; the parking information is used to respond to a parking location query.
Specifically, when the parking server receives the parking position information, the parking server can inquire the license plate number of the vehicle through the terminal identification code and establish the mapping relation. It should be noted that the parking position information may include a terminal identification code corresponding to a terminal located by the second micro base station, so that the parking server may query the association relationship according to the terminal identification code, further obtain the license plate number of the vehicle, and establish the mapping relationship.
In a specific embodiment, after updating the parking information based on the mapping relationship, the method may further include the steps of:
transmitting the mapping relation to a parking inquiry system; the mapping is used to instruct the parking inquiry system to respond to the parking location inquiry.
Further, the terminal identification code may be IMSI or TMSI.
In the parking lot positioning method, the parking server continuously positions the accessed user mobile phone through the micro base station which provides network coverage, the parking server establishes a mapping relation between the user mobile phone identification number and the license plate number, the parking and vehicle searching functions of the user can be met, the user can drive the mobile phone without any operation, and the parking lot positioning method is established under the public network coverage of the micro base station without other external positioning special equipment, so that the cost is reduced, and the applicability is strong.
In one embodiment, as shown in fig. 4, a parking lot location method is provided, which is described by taking the method as an example of being applied to the first micro base station in fig. 1, and may include the following steps:
s402, when the terminal is accessed and the moving direction of the terminal is confirmed to meet the preset entering direction, the terminal identification code of the terminal is obtained, and the terminal identification code is sent to the parking server.
The preset entering direction may be a direction from outside the parking lot to inside the parking lot.
Specifically, when a vehicle enters, the micro base station (i.e., the first micro base station) installed at the entrance of the parking lot may query whether a new terminal is switched to enter, and whether a vehicle entering and exiting direction (i.e., a moving direction of the terminal) meets a preset entering direction; when a new terminal is inquired to be accessed into the first micro base station and the vehicle access direction (namely the moving direction of the terminal) meets the preset access direction, the second micro base station sends the terminal identification code (such as the allocated TMSI) newly accessed at the current moment to the parking server. It should be noted that, when a new terminal accesses to the parking lot micro base station, it is determined that a new terminal is switched to access, where the parking lot micro base station includes the first micro base station and each second micro base station.
In a specific embodiment, the step of confirming that the moving direction of the terminal satisfies the preset entering direction includes: when the terminal is switched to access the base station, the moving direction of the terminal is confirmed to meet the preset entering direction; or the like, or, alternatively,
and when a vehicle entrance notification of the vehicle entrance guard recognition system is received, confirming that the moving direction of the terminal meets the preset entrance direction.
In one embodiment, as shown in fig. 5, a parking lot location method is provided, which is described by taking the second micro base station in fig. 1 as an example, and includes the following steps:
step 502, based on the terminal identification code sent by the parking server, measuring a terminal signal of a terminal corresponding to the terminal identification code to obtain terminal measurement information.
The terminal signal may be a radio signal.
Specifically, the second micro base station performs multiple measurements on the terminal corresponding to the terminal identification code within the time of getting in and out of the parking lot (that is, within the time of finding the parking space for the incoming vehicle corresponding to the terminal) based on the terminal identification code sent by the parking server, and obtains the terminal measurement information of the terminal on the incoming vehicle.
And step 504, transmitting the terminal measurement information to the parking server.
It should be noted that the measurement may be performed by the first micro base station and/or the second micro base station, and is not limited to the second micro base station, for example, when the terminal falls within the coverage of the first micro base station, the terminal may be measured by the first micro base station.
It should be understood that although the various steps in the flow charts of fig. 2-5 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2-5 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 6, there is provided a parking lot location device implemented from the perspective of a parking server, comprising:
the license plate acquisition module is used for acquiring the license plate number of the current driving vehicle when receiving the terminal identification code sent by the first micro base station;
the terminal identification code transmission module is used for transmitting the terminal identification codes to the second micro base stations;
the parking position information confirmation module is used for receiving terminal measurement information which is sent by the second micro base station and is based on terminal identification code feedback, and confirming parking position information according to the terminal measurement information;
the mapping relation generating module is used for generating the mapping relation among the terminal identification code, the license plate number and the parking position information and updating the parking information based on the mapping relation; the parking information is used to respond to a parking location query.
In a specific example, the parking position information confirmation module is configured to continuously locate the terminal corresponding to the terminal identification code based on the terminal measurement information, so as to obtain location information of the terminal;
confirming the positioning information which accords with a preset positioning rule as the parking position information; the positioning rule is that the positioning information continuously falls into the area range of the same parking area for multiple times.
In a specific embodiment, the method further comprises the following steps: the mapping relation transmission module is used for transmitting the mapping relation to the parking inquiry system; the mapping is used to instruct the parking inquiry system to respond to the parking location inquiry.
Further, the terminal identification code transmission module may broadcast the terminal identification code to each second micro base station in the background.
Further, the terminal identification code may be IMSI or TMSI.
For example, as shown in fig. 7, there is provided a parking lot location device implemented from the viewpoint of a parking server, including:
the license plate acquisition module is used for acquiring the license plate number of the current driving vehicle when receiving the terminal identification code sent by the first micro base station;
the terminal identification code transmission module is used for transmitting the terminal identification codes to the second micro base stations;
the incidence relation generating module is used for establishing the incidence relation between the terminal identification code and the license plate number;
the parking position information confirmation module is used for receiving terminal measurement information which is sent by the second micro base station and is based on terminal identification code feedback, and confirming parking position information according to the terminal measurement information;
the mapping relation generating module is used for generating the mapping relation among the terminal identification code, the license plate number and the parking position information and updating the parking information based on the mapping relation; the parking information is used to respond to a parking location query.
In a specific example, the parking position information confirmation module is configured to continuously locate the terminal corresponding to the terminal identification code based on the terminal measurement information, so as to obtain location information of the terminal;
confirming the positioning information which accords with a preset positioning rule as the parking position information; the positioning rule is that the positioning information continuously falls into the area range of the same parking area for multiple times.
In a specific embodiment, the method further comprises the following steps: the mapping relation transmission module is used for transmitting the mapping relation to the parking inquiry system; the mapping is used to instruct the parking inquiry system to respond to the parking location inquiry.
Further, the terminal identification code transmission module is used for broadcasting the terminal identification code to each second micro base station in a background mode.
Further, the terminal identification code may be IMSI or TMSI.
In one embodiment, as shown in fig. 8, there is provided a parking lot location device implemented from the perspective of a first micro base station, comprising:
the terminal identification code acquisition module is used for acquiring a terminal identification code of the terminal when the terminal is accessed and the moving direction of the terminal is confirmed to meet the preset entering direction;
and the terminal identification code sending module is used for sending the terminal identification code to the parking server.
In a specific example, the terminal identification code obtaining module is configured to confirm that a moving direction of the terminal meets a preset entering direction when the terminal switches to access.
In one embodiment, as shown in fig. 9, there is provided a parking lot location device implemented from the perspective of a second micro base station, comprising:
the system comprises a measurement module, a terminal identification code acquisition module and a control module, wherein the measurement module is used for measuring a terminal signal of a terminal corresponding to the terminal identification code based on the terminal identification code sent by the parking server to obtain terminal measurement information;
and the terminal measurement information sending module is used for transmitting the terminal measurement information to the parking server.
For specific definition of the parking lot location device, reference may be made to the above definition of the parking lot location method, which is not described herein again. The modules in the parking lot positioning device can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a base station is provided for implementing any of the above steps of the parking lot location method from the perspective of a micro base station.
Specifically, the base station is configured to implement any one of the steps of the parking lot location method implemented from the perspective of the micro base station (the first micro base station or the second micro base station), and details are not repeated here.
In one embodiment, a parking lot location system is provided, which comprises a first micro base station arranged at an entrance and an exit of a parking lot and a plurality of second micro base stations distributed in the parking lot; the first micro base station and each second micro base station are used for being connected with the parking server.
In particular, the parking server may be configured to perform the following steps:
when receiving a terminal identification code sent by a first micro base station, acquiring a license plate number of a current driving vehicle, and transmitting the terminal identification code to each second micro base station;
receiving terminal measurement information which is sent by a second micro base station and fed back based on the terminal identification code, and confirming parking position information according to the terminal measurement information;
generating a mapping relation among the terminal identification code, the license plate number and the parking position information, and updating the parking information based on the mapping relation; the parking information is used to respond to a parking location query.
In a specific embodiment, the step of the parking server receiving terminal measurement information based on terminal identification code feedback sent by the second micro base station, and confirming the parking position information according to the terminal measurement information includes:
continuously positioning a terminal corresponding to the terminal identification code based on the terminal measurement information to obtain the positioning information of the terminal; the terminal measurement information comprises the signal intensity of the terminal and the signal propagation time of the terminal;
confirming the positioning information which accords with a preset positioning rule as the parking position information; the positioning rule is that the positioning information continuously falls into the area range of the same parking area for multiple times.
For example, when receiving the terminal identification code sent by the first micro base station, the parking server may further perform the following steps after the step of obtaining the license plate number of the currently-entering vehicle:
establishing an association relation between the terminal identification code and the license plate number;
the step of receiving parking position information which is sent by a second micro base station and fed back based on the terminal identification code and generating the mapping relation among the terminal identification code, the license plate number and the parking position information comprises the following steps:
and generating a mapping relation based on the association relation and the parking position information.
In a specific embodiment, after the parking server updates the parking information based on the mapping relationship, the following steps may be further performed:
transmitting the mapping relation to a parking inquiry system; the mapping is used to instruct the parking inquiry system to respond to the parking location inquiry.
Further, the step of transmitting the terminal identification code to each second micro base station by the parking server may include:
and broadcasting the terminal identification code to each second micro base station in a background mode.
In one example, the terminal identification code is a TMSI code or an IMSI code.
In particular, the first micro base station may be configured to perform the following steps:
and when the terminal is accessed and the moving direction of the terminal is confirmed to meet the preset entering direction, acquiring a terminal identification code of the terminal, and sending the terminal identification code to the parking server.
In a specific embodiment, the step of the first micro base station confirming that the moving direction of the terminal meets the preset entering direction includes:
when the terminal is switched to access the base station, the moving direction of the terminal is confirmed to meet the preset entering direction; or the like, or, alternatively,
and when a vehicle entrance notification of the vehicle entrance guard recognition system is received, confirming that the moving direction of the terminal meets the preset entrance direction.
In particular, the second micro base station may be configured to perform the following steps:
measuring a terminal signal of a terminal corresponding to the terminal identification code based on the terminal identification code sent by the parking server to obtain terminal measurement information;
and transmitting the terminal measurement information to a parking server.
The present embodiment will be described with reference to a specific example, and as shown in fig. 10, a parking lot location system is provided, which is described by taking an example of the system applied to the parking server, the first micro base station, and the second micro base station in fig. 1, and includes the following steps:
step 1002, the first micro base station accesses the terminal identification code and judges the entering and exiting direction of the vehicle.
Specifically, the micro base station (i.e., the first micro base station) installed at the entrance/exit of the parking lot judges the entering/exiting direction of the vehicle, when the vehicle enters, the indoor coverage micro base station (i.e., the first micro base station) installed at the entrance can inquire that a new mobile phone terminal is switched to enter, and can also recognize the new mobile phone terminal through the vehicle entrance guard identification system, and the first micro base station sends the terminal identification code (such as the allocated TMSI) newly accessed at the current moment to the parking server.
And step 1004, the parking server acquires the license plate number through a license plate entrance guard recognition system.
Specifically, a vehicle entrance guard recognition system (i.e., near the entrance/exit a in fig. 11) installed at the entrance/exit of the parking lot recognizes and records the license plate number corresponding to the currently-entering vehicle, and sends the license plate number to the parking server.
Step 1006, the parking server establishes an association relationship between the terminal identification code and the license plate number.
The parking server establishes a mapping relationship between the terminal identification code and the license plate number (namely, an association relationship between the terminal identification code and the license plate number), and the parking server performs one-to-one association between the terminal identification code sent by the first micro base station and the license plate number identified by the vehicle access control identification system at the corresponding moment, so as to establish an association relationship between the terminal identification code and the license plate number (for example, one-to-one association between the TMSI and the license plate number).
Step 1008, the entrance and exit display pushes the vacant parking space and guides parking.
Specifically, the parking server pushes the current parking condition of the parking lot, displays the parking vacancy (i.e. free parking space) through the display screen and prompts some planned driving routes to guide the driver to park.
When the parking server receives the notification of the micro base station that a vehicle enters (namely, receives the terminal identification code sent by the first micro base station), the latest free parking space is identified and a smooth parking guide route is planned, and the condition and the route of the free parking space in the parking lot are displayed through a display screen at an entrance; the parking server can also push a parking positioning APP to a terminal corresponding to the vehicle, and if the terminal receives and installs the APP, the APP is opened to inquire the parking space vacancy condition.
Step 1010, the second micro base station continuously measures the vehicle, sends the measured terminal measurement information to the parking server, and the parking server confirms the parking position information according to the terminal measurement information.
After the vehicle enters the parking lot, a plurality of indoor micro base stations (namely, second micro base stations) perform continuous measurement tracking (namely, periodic measurement) on the vehicle, and send the measured terminal measurement information to the parking server.
And after receiving the terminal measurement information, the parking server acquires the positioning information of the vehicle entering according to the measurement information, and further confirms the parking position of the vehicle. As shown in fig. 11, the vehicle moves forward along the dotted line, stays in the parking space B, and shifts to the parking space C, and then uses the free parking space indicated by the last positioning result (i.e., the positioning information) as the parking position (i.e., the parking position information) determined by the vehicle according to the positioning tracking path, and sends the parking position (i.e., the parking position information) to the parking server.
Step 1012, the parking server updates the parking information and pushes it to the parking inquiry system.
And after receiving the reported information, the parking server marks the parking area corresponding to the parking position information as a non-idle parking space, or updates the state of the parking area corresponding to the parking position information into a non-idle parking space. And inquiring the license plate number of the vehicle through the TMSI identification number (namely the terminal identification code), establishing a mapping relation (namely the mapping relation between the terminal identification code, the license plate number and the parking position information) and transmitting the mapping relation to a parking inquiry system.
Specifically, the parking server obtains the corresponding relationship between the license plate number and the parking position information through the corresponding relationship between the terminal identification code and the positioning parking position information (i.e., the parking position information) according to the reported information (i.e., the information sent by the first micro base station and the information sent by the second micro base station), i.e., the association relationship between the terminal identification code and the license plate number, and further establishes the mapping relationship between the terminal identification code, the license plate number and the parking position information and transmits the mapping relationship to the parking inquiry system.
In step 1014, the parking inquiry system responds to the parking location inquiry and the vehicle travels away from the parking lot.
Specifically, when the driver wants to seek a car and leave, the parking inquiry system searches the parking position information corresponding to the license plate number and obtains guidance such as a car seeking route through the license plate number, and the corresponding car is found through the route guidance and the position determination. The vehicle entrance guard identification system at the entrance and exit determines that a vehicle leaves, records the license plate number of the vehicle and reports the license plate number to the parking server; the parking position information corresponding to the license plate number of the vehicle which drives away can point to a certain parking area in the parking lot, and the parking server updates the parking area into an idle parking space.
Further, a parking inquiry system is arranged at each passage opening (such as a side door outlet C in fig. 11) of the parking lot, corresponding parking position information can be displayed by inputting a license plate number and logging in, and information such as a route for guiding vehicle searching, conditions of each outlet route and the like is provided. If the terminal is equipped with a parking location APP, the above functions can also be accomplished on this APP.
Those skilled in the art will appreciate that the arrangement shown in fig. 11 is merely a block diagram of a portion of the structure associated with the arrangement of the present application and does not constitute a limitation on the computing devices to which the arrangement of the present application may be applied, and that a particular computing device may include more or less components than those shown, or may combine certain components, or be arranged of different components.
In one embodiment, a computer readable storage medium is provided, having a computer program stored thereon, which, when being executed by a processor, carries out the steps of the embodiments of the parking lot location method described above.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
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 above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (13)
1. A parking lot location method, comprising:
when receiving a terminal identification code sent by a first micro base station, acquiring a license plate number of a current driving vehicle, and transmitting the terminal identification code to each second micro base station; the first micro base station is a micro base station arranged at an entrance of a parking lot; the terminal identification code is obtained when the first micro base station is accessed at a terminal and confirms that the moving direction of the terminal meets a preset entering direction;
receiving terminal measurement information which is sent by the second micro base station and fed back based on the terminal identification code, and confirming parking position information according to the terminal measurement information; the second micro base stations are micro base stations distributed in a parking lot;
generating a mapping relation among the terminal identification code, the license plate number and the parking position information, and updating parking information based on the mapping relation; the parking information is used for responding to a parking position query;
the step of receiving terminal measurement information which is sent by the second micro base station and fed back based on the terminal identification code, and confirming parking position information according to the terminal measurement information comprises the following steps:
continuously positioning a terminal corresponding to the terminal identification code based on the terminal measurement information to obtain positioning information of the terminal; the terminal measurement information comprises the signal strength and the signal propagation time of the terminal;
judging the positioning information according with a preset positioning rule according to the sequence, and confirming the last positioning information as the parking position information; the positioning rule is that the positioning information continuously falls into the area range of the same parking area for multiple times.
2. The parking lot location method according to claim 1, further comprising, after updating the parking information based on the mapping relationship, the steps of:
transmitting the mapping relation to a parking inquiry system; the mapping is used to instruct the parking inquiry system to respond to a parking location inquiry.
3. The method of claim 1, wherein the step of transmitting the terminal identification code to each second micro base station comprises:
and broadcasting the terminal identification code to each second micro base station in a background mode.
4. The method according to any one of claims 1 to 3, wherein the terminal identification code is a TMSI code or an IMSI code.
5. A parking lot positioning method is applied to a first micro base station and is characterized by comprising the following steps:
when a terminal is accessed and the moving direction of the terminal is confirmed to meet a preset entering direction, acquiring a terminal identification code of the terminal and sending the terminal identification code to a parking server; the parking server is configured to perform the parking lot location method according to any one of claims 1 to 4.
6. The parking lot location method according to claim 5, wherein the step of confirming that the moving direction of the terminal satisfies a preset entering direction comprises:
when the terminal is switched to access the base station, confirming that the moving direction of the terminal meets the preset entering direction; or the like, or, alternatively,
and when a vehicle entrance notification of a vehicle entrance guard recognition system is received, confirming that the moving direction of the terminal meets the preset entrance direction.
7. A parking lot positioning method is applied to a second micro base station and is characterized by comprising the following steps:
measuring a terminal signal of a terminal corresponding to a terminal identification code based on the terminal identification code sent by a parking server to obtain terminal measurement information;
transmitting the terminal measurement information to the parking server; the parking server is configured to perform the parking lot location method according to any one of claims 1 to 4.
8. A parking lot positioning device, comprising:
the license plate acquisition module is used for acquiring the license plate number of the current driving vehicle when receiving the terminal identification code sent by the first micro base station; the first micro base station is a micro base station arranged at an entrance of a parking lot; the terminal identification code is obtained when the first micro base station is accessed at a terminal and confirms that the moving direction of the terminal meets a preset entering direction;
the terminal identification code transmission module is used for transmitting the terminal identification codes to each second micro base station; the second micro base station is distributed in the parking lot;
the parking position information confirmation module is used for receiving terminal measurement information which is sent by the second micro base station and fed back based on the terminal identification code, and confirming parking position information according to the terminal measurement information; the parking position information confirming module is further configured to continuously position the terminal corresponding to the terminal identification code based on the terminal measurement information to obtain positioning information of the terminal, judge the positioning information conforming to a preset positioning rule according to a sequence, and confirm the last positioning information as the parking position information; the terminal measurement information comprises the signal strength and the signal propagation time of the terminal; the positioning rule is that the positioning information continuously falls into the area range of the same parking area for multiple times;
the mapping relation generating module is used for generating the mapping relation among the terminal identification code, the license plate number and the parking position information and updating the parking information based on the mapping relation; the parking information is used to respond to a parking location query.
9. The utility model provides a parking area positioner, is applied to first little basic station, its characterized in that includes:
the terminal identification code acquisition module is used for acquiring a terminal identification code of the terminal when the terminal is accessed and the moving direction of the terminal is confirmed to meet a preset entering direction;
the terminal identification code sending module is used for sending the terminal identification code to a parking server; the parking server is configured to perform the parking lot location method according to any one of claims 1 to 4.
10. The utility model provides a parking area positioner, is applied to second little basic station, its characterized in that includes:
the system comprises a measuring module, a processing module and a processing module, wherein the measuring module is used for measuring a terminal signal of a terminal corresponding to a terminal identification code based on the terminal identification code sent by a parking server to obtain terminal measuring information;
the terminal measurement information sending module is used for transmitting the terminal measurement information to the parking server; the parking server is configured to perform the parking lot location method according to any one of claims 1 to 4.
11. A base station, characterized in that the base station is configured to perform the steps of the parking lot location method according to any one of claims 5 to 7.
12. The parking lot positioning system is characterized by comprising a first micro base station arranged at an entrance and an exit of a parking lot and a plurality of second micro base stations distributed in the parking lot; the first micro base station and each second micro base station are used for being connected with a parking server;
the parking server is configured to perform the steps of the parking lot location method according to any one of claims 1 to 4;
the first micro base station is used for executing the steps of the parking lot positioning method of any one of claims 5 to 6;
the second micro base station is configured to perform the steps of the parking lot location method of claim 7.
13. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the parking lot location method according to any one of claims 1 to 7.
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| CN110335495A (en) * | 2019-05-29 | 2019-10-15 | 深圳市捷视飞通科技股份有限公司 | Vehicle position information processing method, device, computer equipment and storage medium |
| CN110542420A (en) * | 2019-09-25 | 2019-12-06 | 国电龙源电气有限公司 | indoor and outdoor integrated positioning system |
| CN110751854B (en) * | 2019-10-28 | 2021-08-31 | 芜湖雄狮汽车科技有限公司 | Parking guidance method and device for automobile and storage medium |
| WO2021114261A1 (en) * | 2019-12-13 | 2021-06-17 | 邱海燕 | Parking lot guidance method |
| CN111311952A (en) * | 2020-02-27 | 2020-06-19 | 平安国际智慧城市科技股份有限公司 | Control method and device for vehicle parking, computer equipment and storage medium |
| CN112767732B (en) * | 2020-12-30 | 2022-07-26 | 大众问问(北京)信息科技有限公司 | Parking position determining method and device and electronic equipment |
| CN112863219B (en) * | 2020-12-30 | 2022-12-20 | 深圳酷派技术有限公司 | Position updating method and device, storage medium and electronic equipment |
| CN113299110B (en) * | 2021-05-12 | 2022-08-23 | 中国联合网络通信集团有限公司 | Parking lot vehicle query method and system |
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| CN105554878B (en) * | 2015-12-11 | 2020-09-22 | 深圳市金溢科技股份有限公司 | Parking management method, vehicle-mounted Bluetooth label, base station and system |
| CN107274715B (en) * | 2017-07-31 | 2020-09-01 | 南斗六星系统集成有限公司 | Large parking lot parking management system and method |
| CN107818601A (en) * | 2017-10-23 | 2018-03-20 | 中国联合网络通信集团有限公司 | A kind of parking management method and device |
| CN108510791A (en) * | 2018-05-18 | 2018-09-07 | 上海优立检测技术股份有限公司 | A kind of intelligent car-searching method and system based on mobile network |
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Address after: 510663 Shenzhou Road, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangdong, 10 Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 Shenzhou Road, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangdong, 10 Patentee before: Comba Telecom System (China) Ltd. |