CN114446084A - 5G thing networking wisdom parking stall inquiry platform - Google Patents

5G thing networking wisdom parking stall inquiry platform Download PDF

Info

Publication number
CN114446084A
CN114446084A CN202210088558.4A CN202210088558A CN114446084A CN 114446084 A CN114446084 A CN 114446084A CN 202210088558 A CN202210088558 A CN 202210088558A CN 114446084 A CN114446084 A CN 114446084A
Authority
CN
China
Prior art keywords
target
bluetooth
parking space
target vehicle
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210088558.4A
Other languages
Chinese (zh)
Other versions
CN114446084B (en
Inventor
徐源
何丹
戴鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Quechao Parking Technology Co ltd
Original Assignee
Shenzhen Quechao Parking Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Quechao Parking Technology Co ltd filed Critical Shenzhen Quechao Parking Technology Co ltd
Priority to CN202210088558.4A priority Critical patent/CN114446084B/en
Publication of CN114446084A publication Critical patent/CN114446084A/en
Application granted granted Critical
Publication of CN114446084B publication Critical patent/CN114446084B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/14Traffic control systems for road vehicles indicating individual free spaces in parking areas
    • G08G1/145Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
    • G08G1/148Management of a network of parking areas
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/123Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/133Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams within the vehicle ; Indicators inside the vehicles or at stops
    • G08G1/137Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams within the vehicle ; Indicators inside the vehicles or at stops the indicator being in the form of a map
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/024Guidance services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/38Services specially adapted for particular environments, situations or purposes for collecting sensor information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/11Allocation or use of connection identifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/14Direct-mode setup

Abstract

The invention provides a 5G Internet of things intelligent parking space query platform, which comprises: the parking space sensing module is used for sensing the parking space state of a target parking lot based on the parking space sensor, calling a two-dimensional electronic car bitmap corresponding to the parking space state according to an operation instruction of a target car owner, and selecting a to-be-parked space; the positioning module is used for acquiring a Bluetooth beacon inside a target parking lot and Bluetooth information of a target vehicle and positioning the target vehicle in the target parking lot in real time based on the Bluetooth beacon and the Bluetooth information; and the navigation module is used for constructing a three-dimensional map of the target parking lot, generating a three-dimensional navigation route based on the parking space to be parked and the current position of the target vehicle, and navigating the target vehicle owner based on the three-dimensional navigation route. The parking space state network inquiring is facilitated by confirming the two-dimensional electronic car bitmap, and the accurate navigation of a target car owner in a parking lot is realized by determining the three-dimensional navigation route, so that the parking efficiency is improved.

Description

5G thing networking wisdom parking stall inquiry platform
Technical Field
The invention relates to the technical field of parking stall query and positioning, in particular to a 5G Internet of things intelligent parking stall query platform.
Background
At present, with the development of society, urban vehicles are increasing day by day, so that heavy pressure is brought to urban traffic; the traffic 'difficult parking' increasingly becomes the main problem of vehicle use in big and medium cities in China, so that the management of parking spaces in a parking lot is indispensable;
in the prior art, the detection of the idle parking state of the parking space is realized by adopting comprehensive wiring in a parking lot and installing a sensor at the top of the parking space, and the parking space state is prompted by a traffic light. This approach has the following problems: and 1, comprehensive wiring is required in a parking lot, the cost is high, the construction period is long, and the maintenance is not easy. And 2, the idle parking state of the parking space can only play a role in the sight range of the vehicle owner, and if the parking space is loaded to one layer, the parking space loaded to the second layer cannot be known.
Therefore, the invention provides the 5G Internet of things intelligent parking space query platform, which is beneficial to realizing network query of parking space states by confirming the two-dimensional electronic car bitmap, and realizes accurate navigation of a target car owner in a parking lot by determining the three-dimensional navigation route, thereby improving the parking efficiency.
Disclosure of Invention
The invention provides a 5G Internet of things intelligent parking space query platform which is used for confirming that two-dimensional electronic car position maps are beneficial to realizing network query of parking space states, and realizing accurate navigation of a target car owner in a parking lot by determining a three-dimensional navigation route, so that the parking efficiency is improved.
The invention provides a 5G Internet of things intelligent parking space query platform, which comprises:
the parking space sensing module is used for sensing the parking space state of a target parking lot based on the parking space sensor, calling a two-dimensional electronic car bitmap corresponding to the parking space state according to an operation instruction of a target car owner, and selecting a to-be-parked space;
the positioning module is used for acquiring a Bluetooth beacon inside a target parking lot and Bluetooth information of a target vehicle and positioning the target vehicle in the target parking lot in real time based on the Bluetooth beacon and the Bluetooth information;
and the navigation module is used for constructing a three-dimensional map of the target parking lot, generating a three-dimensional navigation route based on the parking space to be parked and the current position of the target vehicle, and navigating the target vehicle owner based on the three-dimensional navigation route.
Preferably, a 5G thing networking wisdom parking stall inquiry platform, parking stall response module includes:
the sensing unit is used for sensing parking space information based on the parking space sensor and determining the parking space state of the target parking lot based on the parking space information, wherein the parking space state comprises: vacant parking spaces and occupied parking spaces in the target parking lot;
the system comprises a position confirmation unit, a parking space acquisition unit and a parking space management unit, wherein the position confirmation unit is used for respectively acquiring a first position of an unoccupied parking space of a target parking lot and a second position of an occupied parking space in the target parking lot;
and the data management unit is used for updating the first position and the second position in real time and determining the parking space dynamic of the target parking lot.
Preferably, a 5G thing networking wisdom parking stall inquiry platform, parking stall response module includes:
the instruction acquisition unit is used for acquiring an operation instruction of the target vehicle owner and opening a target interface on the mobile terminal according to the operation instruction;
the information registration unit is used for registering vehicle information of the target vehicle owner based on the target interface and generating a map acquisition request after the information registration is successful;
and the map reading unit is used for determining the two-dimensional electronic car position map corresponding to the parking space state based on the map obtaining request.
Preferably, a 5G thing networking wisdom parking stall inquiry platform, in the information registration unit, vehicle information includes: target vehicle owner's identity information, license plate number, motorcycle type, and identity information includes: the account number and the login password of the target vehicle owner and the use nickname of the target vehicle owner.
Preferably, a 5G thing networking wisdom parking stall inquiry platform, the information registration unit includes:
the information input subunit is used for reading the vehicle information of the target vehicle owner, determining the identity of the target user and generating an input label based on the identity;
the storage subunit is also used for inputting the vehicle information of the target vehicle owner into a target database for data storage according to the input label;
and the automatic login subunit is used for automatically displaying the two-dimensional electronic vehicle bitmap in the mobile terminal when the target vehicle owner executes the operation instruction after the vehicle information is successfully input.
Preferably, a 5G thing networking wisdom parking stall inquiry platform, orientation module still includes:
the Bluetooth signal confirmation unit is used for acquiring first Bluetooth information of a target vehicle where a target vehicle owner is located;
the beacon confirming unit is used for acquiring Bluetooth beacons preset in the target parking lot, wherein the number of the Bluetooth beacons is equal to or more than 2;
the signal confirmation unit is used for acquiring a positioning Bluetooth signal sent by the Bluetooth beacon in the target parking lot and determining the signal intensity of the positioning Bluetooth signal and the round-trip time of the positioning Bluetooth signal;
the position information confirming unit is used for confirming the position information of the target vehicle according to the signal intensity of the positioning Bluetooth signal and the round trip time of the positioning Bluetooth signal, wherein the positioning Bluetooth signal and the Bluetooth information of the target vehicle carry out interactive response;
the positioning model generating unit is used for carrying out characteristic analysis on the position information of the target vehicle and the positioning Bluetooth signal, learning and constructing a positioning model in the target parking lot according to a learning result;
the signal receiving unit is used for acquiring the Bluetooth signals to be positioned of the Bluetooth information and respectively determining the signal intensity of the Bluetooth beacon for receiving the Bluetooth signals to be positioned;
the matching unit is used for receiving the signal intensity of the Bluetooth signal to be positioned according to the Bluetooth beacon, estimating relative position data of the Bluetooth beacon relative to the Bluetooth information based on the signal intensity, and meanwhile inputting the relative position data into the positioning model for matching;
and the positioning unit is used for determining the specific position of the target vehicle in the target parking lot based on the matching result.
Preferably, a 5G thing networking wisdom parking stall inquiry platform, the positioning unit still includes:
the link establishing unit is used for acquiring a first identifier of the Bluetooth information and a second identifier of the Bluetooth beacon and establishing a link with a Bluetooth gateway based on the Bluetooth information and the Bluetooth beacon;
the data transmission unit is used for carrying out data iterative transmission on the Bluetooth data of the Bluetooth information and the Bluetooth data of the Bluetooth beacon in a wifi wireless network according to the Bluetooth gateway;
and the data display unit is used for displaying the position of the target vehicle in the target parking lot on the mobile terminal of the target vehicle owner based on the transmission result.
Preferably, a 5G thing networking wisdom parking stall inquiry platform, navigation module includes:
the parking lot structure determining unit is used for determining the internal structure of the target parking lot, constructing a three-dimensional map based on the internal structure of the target parking lot, and displaying the three-dimensional map through a three-dimensional coordinate system; (ii) a
The position determining unit is used for rasterizing the target parking lot based on a display result and respectively corresponding the parking space to be parked and the current position of the target vehicle owner to the starting grid and the target grid after rasterization;
the position determining unit is further configured to determine target coordinates of the departure grid and the destination grid based on the three-dimensional coordinate system, and determine at least one passage inside the rasterized target yard;
the route determining unit is used for determining an initial navigation route based on the target coordinates and the internal path of the target parking lot, analyzing the initial navigation route and determining part of target key points on the initial navigation route;
the path optimization unit is used for amplifying the part of the target key points to obtain all key points;
the path optimization unit is further configured to construct a risk assessment model based on the internal structure of the target yard, perform risk assessment on all the key points based on the risk assessment model, and determine a collision risk value of the initial navigation path;
and the path optimization unit is further used for adjusting the positions of the risk key points on the initial navigation path based on the collision risk values and obtaining a final three-dimensional navigation route.
Preferably, a 5G thing networking wisdom parking stall inquiry platform, navigation module still includes:
the navigation request unit is used for acquiring navigation requests submitted by users and sending the navigation requests to preset local navigation servers corresponding to a target parking lot, wherein at least one preset local navigation server is provided, and the navigation requests comprise starting point and end point position information;
the navigation unit is used for controlling the preset local navigation server to receive the navigation request, analyzing the navigation request and determining the real-time position of the target vehicle;
and the navigation unit is used for updating the real-time position of the target vehicle on the three-dimensional navigation route in real time, displaying the real-time position of the target vehicle on a vehicle-mounted display screen of the target vehicle, and sending a voice navigation prompt to a target vehicle owner.
Preferably, a 5G thing networking wisdom parking stall inquiry platform in, the navigation unit includes:
the offset detection subunit is used for acquiring the real-time position of the target vehicle and acquiring the three-dimensional navigation route;
the offset detection subunit is used for determining whether the target vehicle runs in the set direction indicated by the three-dimensional navigation route or not based on the real-time position;
if the target vehicle is not deviated, judging that the navigation of the target vehicle owner is qualified, and continuing to provide navigation for the target vehicle owner until the target vehicle stops to the parking space to be reserved;
otherwise, determining the offset of the target vehicle and the three-dimensional navigation route, and determining a target correction angle and a target correction direction based on the offset;
and the correcting subunit is used for reminding a target owner of the target vehicle according to the target correcting angle and the target correcting direction based on voice reminding and the vehicle-mounted display screen until the target vehicle is stopped at the parking space to be parked.
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 practice 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.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a structural diagram of a 5G internet of things intelligent parking space query platform in the embodiment of the invention;
fig. 2 is a structural diagram of a parking space induction module in a 5G internet of things smart parking space inquiry platform according to an embodiment of the present invention;
fig. 3 is a structural diagram of an information registration unit in a 5G internet of things smart parking space inquiry platform according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
Example 1:
this embodiment provides a 5G thing networking wisdom parking stall inquiry platform, as shown in fig. 1, include:
the parking space sensing module is used for sensing the parking space state of a target parking lot based on the parking space sensor, calling a two-dimensional electronic car bitmap corresponding to the parking space state according to an operation instruction of a target car owner, and selecting a to-be-parked space;
the positioning module is used for acquiring a Bluetooth beacon inside a target parking lot and Bluetooth information of a target vehicle and positioning the target vehicle in the target parking lot in real time based on the Bluetooth beacon and the Bluetooth information;
and the navigation module is used for constructing a three-dimensional map of the target parking lot, generating a three-dimensional navigation route based on the parking space to be parked and the current position of the target vehicle, and navigating the target vehicle owner based on the three-dimensional navigation route.
In this embodiment, the parking space status may be a use condition of a parking space in the target parking lot, that is, whether a vehicle is in the parking space.
In this embodiment, the operation instruction may be that the target vehicle owner scans the two-dimensional code or invokes an applet through the mobile terminal to perform an operation, so as to obtain the two-dimensional electronic vehicle bitmap corresponding to the parking space state.
In this embodiment, the parking space to be reserved may be a parking space to be reserved, which is autonomously selected by the target vehicle owner.
In this embodiment, the two-dimensional electronic car bitmap may be displayed on the mobile phone terminal.
The beneficial effects of the above technical scheme are: the parking space state network inquiry can be realized by confirming the two-dimensional electronic car bitmap, and the accurate navigation of a target car owner in a parking lot is realized by determining the three-dimensional navigation route, so that the parking efficiency is improved.
Example 2:
on embodiment 1's basis, this embodiment provides a 5G thing networking wisdom parking stall inquiry platform, as shown in fig. 2, the parking stall response module includes:
the sensing unit is used for sensing parking space information based on the parking space sensor and determining the parking space state of the target parking lot based on the parking space information, wherein the parking space state comprises: vacant parking spaces and occupied parking spaces in the target parking lot;
the system comprises a position confirmation unit, a parking space acquisition unit and a parking space management unit, wherein the position confirmation unit is used for respectively acquiring a first position of an unoccupied parking space of a target parking lot and a second position of an occupied parking space in the target parking lot;
and the data management unit is used for updating the first position and the second position in real time and determining the parking space dynamic of the target parking lot.
In this embodiment, the first position may be a position corresponding to an empty space in the target yard.
In this embodiment, the second position may be a position corresponding to an occupied parking space in the target yard.
In this embodiment, the parking space dynamics may be the dynamic states of the use and the vacancy of the parking spaces in the target parking lot, and since the vehicle does not always stay in the target parking lot, the parking space dynamics of the target parking lot needs to be updated in real time.
The beneficial effects of the above technical scheme are: the parking space state of the target parking lot is determined, so that a first position corresponding to an unoccupied parking space in the target parking lot and a second position of an occupied parking space are determined, the first position and the second position are updated based on the data management unit, and the management efficiency of the parking spaces of the target parking lot is improved.
Example 3:
on embodiment 1's basis, this embodiment provides a 5G thing networking wisdom parking stall inquiry platform, parking stall response module includes:
the instruction acquisition unit is used for acquiring an operation instruction of the target vehicle owner and opening a target interface on the mobile terminal according to the operation instruction;
the information registration unit is used for registering vehicle information of the target vehicle owner based on the target interface and generating a map acquisition request after the information registration is successful;
and the map reading unit is used for determining the two-dimensional electronic car position map corresponding to the parking space state based on the map obtaining request.
In this embodiment, the target interface may be a target interface determined at the mobile terminal based on a target user through scanning the two-dimensional code or searching by the applet.
In this embodiment, the vehicle information of the target vehicle owner may be the identity information, license plate number, vehicle type of the target vehicle owner, wherein the identity information includes: the account number and the login password of the target vehicle owner and the use nickname of the target vehicle owner.
In this embodiment, the map obtaining request may be a two-dimensional electronic vehicle map corresponding to the parking space state, which is automatically generated after the target vehicle owner information is successfully registered.
In this embodiment, the mobile terminal may be a mobile phone or a vehicle-mounted display.
The beneficial effects of the above technical scheme are: after the target user successfully registers the information in the target interface, the map acquisition request is determined, and the two-dimensional electronic car bitmap is confirmed, so that the information of a target car owner entering a target car yard is managed, and the management accuracy of parking space query data is improved.
Example 4:
on the basis of embodiment 3, this embodiment provides a 5G thing networking wisdom parking stall inquiry platform, as shown in fig. 3, the information registration unit includes:
the information input subunit is used for reading the vehicle information of the target vehicle owner, determining the identity of the target user and generating an input label based on the identity;
the storage subunit is also used for inputting the vehicle information of the target vehicle owner into a target database for data storage according to the input label;
and the automatic login subunit is used for automatically displaying the two-dimensional electronic vehicle bitmap in the mobile terminal when the target vehicle owner executes the operation instruction after the vehicle information is successfully input.
In this embodiment, the identification may be the name of the target user or confirmed using a nickname or account information of the target user, etc.
In this embodiment, the entry tag may be a tag determined by entering vehicle information of a target user according to the identification confirmation, and one target user corresponds to one target vehicle owner, which is beneficial to independence of data storage.
The beneficial effects of the above technical scheme are: the identity of the target user is generated by determining the vehicle information of the target vehicle owner, so that an input label for inputting the vehicle information of the target vehicle owner is realized, and after the input label is input into the target database for storing data, the two-dimensional electronic map is automatically generated through an operation instruction when the target user carries out the next time in a target parking lot, and the working efficiency of the platform is improved.
Example 5:
on the basis of embodiment 1, this embodiment provides a 5G thing networking wisdom parking stall inquiry platform, orientation module still includes:
the Bluetooth signal confirmation unit is used for acquiring Bluetooth information of a target vehicle where a target vehicle owner is located;
the beacon confirmation unit is further used for acquiring preset Bluetooth beacons in the target parking lot, wherein the number of the Bluetooth beacons is equal to or more than 2;
the signal confirmation unit is used for acquiring a positioning Bluetooth signal sent by the Bluetooth beacon in the target parking lot and determining the signal intensity of the positioning Bluetooth signal and the round-trip time of the positioning Bluetooth signal;
the position information confirming unit is used for confirming the position information of the target vehicle according to the signal intensity of the positioning Bluetooth signal and the round trip time of the positioning Bluetooth signal, wherein the positioning Bluetooth signal and the Bluetooth information of the target vehicle carry out interactive response;
the positioning model generating unit is used for carrying out characteristic analysis on the position information of the target vehicle and the positioning Bluetooth signal, learning and constructing a positioning model in the target parking lot according to a learning result;
the signal receiving unit is used for acquiring the Bluetooth signals to be positioned of the Bluetooth information and respectively determining the signal intensity of the Bluetooth beacon for receiving the Bluetooth signals to be positioned;
the matching unit is used for receiving the signal intensity of the Bluetooth signal to be positioned according to the Bluetooth beacon, estimating relative position data of the Bluetooth beacon relative to the Bluetooth information based on the signal intensity, and meanwhile inputting the relative position data into the positioning model for matching;
and the positioning unit is used for determining the specific position of the target vehicle in the target parking lot based on the matching result.
In this embodiment, the bluetooth information may be information of a bluetooth signal emitted by the target vehicle.
In this embodiment, the bluetooth beacons may be bluetooth beacons that are set in advance in the target yard, and the number of the second bluetooth beacons is equal to or greater than 2.
In this embodiment, the bluetooth beacon includes a signal transmitting end and a signal receiving end.
In this embodiment, the arrangement of the bluetooth beacon in the target yard may be such that the bluetooth signal emitted by the bluetooth beacon may cover the entire target yard.
In this embodiment, the positioning bluetooth signal may be a bluetooth signal sent by a bluetooth beacon, and the signal intensity of the positioning bluetooth signal and the round trip time of the positioning signal may be compared with data stored in the database to derive the signal intensity and the round trip time, so as to confirm the location information of the target yard.
In this embodiment, the position information of the target yard may be the position of the parking space, the position of the vehicle traveling route, the number of layers of the target yard, the first layer, the second layer, and the like.
In this embodiment, the positioning model may be a model determined by learning and performing characteristic analysis on the positioning bluetooth signal based on the position information of the target vehicle yard, and is used to input the relative position data of the bluetooth beacon with respect to the bluetooth beacon into the positioning model for matching, so as to determine the specific position of the target vehicle owner.
In this embodiment, the learning may be machine learning.
In this embodiment, the bluetooth signal to be located may be a bluetooth signal contained in bluetooth information in the target vehicle.
In this embodiment, the matching unit further includes:
the error cost item construction subunit is used for acquiring a target distance from the first Bluetooth beacon to the ith second Bluetooth beacon and constructing an error cost item according to the target distance;
Figure BDA0003488229770000111
wherein r isdRepresenting the error cost term; dtiRepresenting a target distance from the first bluetooth beacon to the ith second bluetooth beacon at time t; x is the number oftAnd ytIndicating a location estimate for the first bluetooth beacon at time t; x is the number ofiAnd yiRepresents a position estimate for the ith second bluetooth beacon; δ represents a weighting coefficient of the distance cost term;
a target cost function confirming subunit, configured to establish a target cost function according to the error cost item;
Figure BDA0003488229770000112
wherein A represents the target cost function; ζ and μ represent constants, and in general, ζ is 10 and μ is 2; n reflects the propagation condition of the Bluetooth signal, is related to the environment of the target parking lot, and has a value range of (0.98, 1.03); l represents the signal strength of the second Bluetooth beacon for receiving the Bluetooth signal to be positioned;
and the position data estimation unit is used for analyzing the target cost function and estimating the relative position data of the second Bluetooth beacon relative to the first Bluetooth beacon.
The beneficial effects of the above technical scheme are: through confirming bluetooth information and bluetooth beacon to thereby confirm the positional information of target vehicle through the signal strength of the location bluetooth signal and the round trip time of location bluetooth signal that send bluetooth beacon, and carry out characteristic analysis and study through positional information and location bluetooth beacon, the location model of accurate formation target parking area, thereby receive the signal strength of the bluetooth signal of undetermining location through bluetooth beacon, be favorable to confirming bluetooth beacon for bluetooth information's relative position data, and then confirm the concrete position of target owner target parking area again through the location model accuracy, improved the accuracy of fixing a position the target owner in the target parking area greatly, thereby improved the efficiency of navigating for the target owner.
Example 6:
on the basis of embodiment 5, this embodiment provides a 5G thing networking wisdom parking stall inquiry platform, the positioning unit still includes:
the link establishing unit is used for acquiring a first identifier of the Bluetooth information and a second identifier of the Bluetooth beacon and establishing a link with a Bluetooth gateway based on the Bluetooth information and the Bluetooth beacon;
the data transmission unit is used for carrying out data iterative transmission on the Bluetooth data of the Bluetooth information and the Bluetooth data of the Bluetooth beacon in a wifi wireless network according to the Bluetooth gateway;
and the data display unit is used for displaying the position of the target vehicle in the target parking lot on the mobile terminal of the target vehicle owner based on the transmission result.
In this embodiment, the bluetooth beacon is connected to the bluetooth gateway, and the bluetooth gateway transmits data in an iterative connection manner such as connecting to a wireless network, so that the state can be remotely checked from the mobile phone terminal.
In this embodiment, the first beacon identification may be a beacon identification of a bluetooth message and the second beacon identification may be a beacon identification of a bluetooth beacon.
The beneficial effects of the above technical scheme are: through establishing contact with the Bluetooth gateway and carrying out data iterative transmission in the wifi wireless network through the Bluetooth gateway, the intelligent platform is improved, and therefore a target vehicle owner can know the position of the target vehicle owner in real time.
Example 7:
on embodiment 1's basis, this embodiment provides a 5G thing networking wisdom parking stall inquiry platform, navigation module includes:
the parking lot structure determining unit is used for determining the internal structure of the target parking lot, constructing a three-dimensional map based on the internal structure of the target parking lot, and displaying the three-dimensional map through a three-dimensional coordinate system;
the position determining unit is used for rasterizing the target parking lot based on a display result and respectively corresponding the parking space to be parked and the current position of the target vehicle owner to the starting grid and the target grid after rasterization;
the position determining unit is further configured to determine target coordinates of the departure grid and the destination grid based on the three-dimensional coordinate system, and determine at least one passage inside the rasterized target yard;
the route determining unit is used for determining an initial navigation route based on the target coordinates and the internal path of the target parking lot, analyzing the initial navigation route and determining part of target key points on the initial navigation route;
the path optimization unit is used for amplifying the part of the target key points to obtain all key points;
the path optimization unit is further configured to construct a risk assessment model based on the internal structure of the target yard, perform risk assessment on all the key points based on the risk assessment model, and determine a collision risk value of the initial navigation path;
and the path optimization unit is further used for adjusting the positions of the risk key points on the initial navigation path based on the collision risk values and obtaining a final three-dimensional navigation route.
In this embodiment, the internal structure may be a structure inside the parking lot, such as a solid wall, a distribution of pillars in the parking lot.
In this embodiment, the rasterizing process may divide the target parking lot into a plurality of squares, so as to facilitate planning of the navigation path.
In this embodiment, the departure grid may be the grid where the target owner is currently located.
In this embodiment, the destination grid may be a grid where the parking space is to be located.
In this embodiment, the target coordinates refer to specific coordinate values of the departure grid and the destination grid in a three-dimensional coordinate system.
In this embodiment, the pathway may be a place within the target yard where traffic can pass.
In this embodiment, the initial navigation path may be an initial plan of the driving path according to the starting point and the end point, and only the path can be guaranteed to reach the end point, but the optimal path cannot be guaranteed.
In this embodiment, the target key points may be several important position points in the driving path, such as a corner.
In this embodiment, the collision risk value may be a value indicating a possibility that there is a collision when the vehicle travels on the initial navigation path.
In this embodiment, the risk key point may be a location point on the initial navigation path where a collision may occur.
The beneficial effects of the above technical scheme are: the navigation path of the target vehicle is planned according to the internal structure of the target parking lot, and meanwhile, the planned path is subjected to collision assessment, so that the planned path is optimized, the obtained three-dimensional navigation path is accurate and effective, and a target vehicle owner can smoothly park the target vehicle to a parking place to be parked, and therefore parking efficiency is improved.
Example 8:
on embodiment 1's basis, this embodiment provides a 5G thing networking wisdom parking stall inquiry platform, and navigation module still includes:
the navigation request unit is used for acquiring navigation requests submitted by users and sending the navigation requests to preset local navigation servers corresponding to a target parking lot, wherein at least one preset local navigation server is provided, and the navigation requests comprise starting point and end point position information;
the navigation unit is used for controlling the preset local navigation server to receive the navigation request, analyzing the navigation request and determining the real-time position of the target vehicle;
and the navigation unit is used for updating the real-time position of the target vehicle on the three-dimensional navigation route in real time, displaying the real-time position of the target vehicle on a vehicle-mounted display screen of the target vehicle, and sending a voice navigation prompt to a target vehicle owner.
In this embodiment, the navigation request may be that the user sends a navigation task to the navigation server via the in-vehicle transmitter.
In this embodiment, the preset local navigation server is set in the target vehicle yard, so as to provide the user with the position of the target vehicle in the target vehicle yard and provide the user with navigation service.
In this embodiment, the real-time location may be a real-time location of the target vehicle in the target parking lot.
The beneficial effects of the above technical scheme are: the position condition of the target vehicle in the parking lot is monitored in real time, so that accurate navigation service is provided for the target vehicle, a target user can smoothly and accurately park the target vehicle in the selected parking place to be parked, and the parking efficiency is improved.
Example 9:
on the basis of embodiment 8, this embodiment provides a 5G thing networking wisdom parking stall inquiry platform, the navigation unit includes:
the offset detection unit is used for acquiring the real-time position of the target vehicle and acquiring the three-dimensional navigation route;
the offset detection unit is used for determining whether the target vehicle runs in the set direction indicated by the three-dimensional navigation route or not based on the real-time position;
if the target vehicle is not deviated, judging that the navigation of the target vehicle owner is qualified, and continuing to provide navigation for the target vehicle owner until the target vehicle stops to the parking space to be reserved;
otherwise, determining the offset of the target vehicle and the three-dimensional navigation route, and determining a target correction angle and a target correction direction based on the offset;
and the correcting unit is used for reminding a target vehicle owner of the target correcting angle and the target correcting direction based on voice reminding and a vehicle-mounted display screen until the target vehicle is stopped at the parking space to be parked.
In this embodiment, the offset may be an angle, a distance, a direction of deviation, and the like of the target vehicle from the three-dimensional navigation route.
In this embodiment, the target correction angle may be a wheel angle that the target vehicle needs to be corrected to return to the three-dimensional navigation route.
The beneficial effects of the above technical scheme are: by monitoring the running condition of the target vehicle in real time, the reminding notice can be conveniently sent to the target user in time under the condition that the vehicle deviates, so that the target vehicle is ensured to run on the planned three-dimensional navigation path, and the navigation parking accuracy is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The utility model provides a 5G thing networking wisdom parking stall inquiry platform which characterized in that includes:
the parking space sensing module is used for sensing the parking space state of a target parking lot based on the parking space sensor, calling a two-dimensional electronic car bitmap corresponding to the parking space state according to an operation instruction of a target car owner, and selecting a to-be-parked space;
the positioning module is used for acquiring a Bluetooth beacon inside a target parking lot and Bluetooth information of a target vehicle and positioning the target vehicle in the target parking lot in real time based on the Bluetooth beacon and the Bluetooth information;
and the navigation module is used for constructing a three-dimensional map of the target parking lot, generating a three-dimensional navigation route based on the parking space to be parked and the current position of the target vehicle, and navigating the target vehicle owner based on the three-dimensional navigation route.
2. The 5G Internet of things intelligent parking space query platform according to claim 1, wherein the parking space sensing module comprises:
the sensing unit is used for sensing parking space information based on the parking space sensor and determining the parking space state of the target parking lot based on the parking space information, wherein the parking space state comprises: vacant parking spaces and occupied parking spaces in the target parking lot;
the system comprises a position confirmation unit, a parking space acquisition unit and a parking space management unit, wherein the position confirmation unit is used for respectively acquiring a first position of an unoccupied parking space of a target parking lot and a second position of an occupied parking space in the target parking lot;
and the data management unit is used for updating the first position and the second position in real time and determining the parking space dynamic of the target parking lot.
3. The 5G Internet of things intelligent parking space query platform according to claim 1, wherein the parking space sensing module comprises:
the instruction acquisition unit is used for acquiring an operation instruction of the target vehicle owner and opening a target interface on the mobile terminal according to the operation instruction;
the information registration unit is used for registering vehicle information of the target vehicle owner based on the target interface and generating a map acquisition request after the information registration is successful;
and the map reading unit is used for determining the two-dimensional electronic car position map corresponding to the parking space state based on the map obtaining request.
4. The 5G Internet of things intelligent parking space inquiry platform according to claim 3, wherein in the information registration unit, the vehicle information comprises: target vehicle owner's identity information, license plate number, motorcycle type, and identity information includes: the account number and the login password of the target vehicle owner and the use nickname of the target vehicle owner.
5. The 5G Internet of things intelligent parking space inquiry platform according to claim 3, wherein the information registration unit comprises:
the information input subunit is used for reading the vehicle information of the target vehicle owner, determining the identity of the target user and generating an input label based on the identity;
the storage subunit is also used for inputting the vehicle information of the target vehicle owner into a target database for data storage according to the input label;
and the automatic login subunit is used for automatically displaying the two-dimensional electronic vehicle bitmap in the mobile terminal when the target vehicle owner executes the operation instruction after the vehicle information is successfully input.
6. The 5G Internet of things intelligent parking space inquiry platform according to claim 1, wherein the positioning module further comprises:
the Bluetooth signal confirmation unit is used for acquiring Bluetooth information of a target vehicle where a target vehicle owner is located;
the beacon confirmation unit is further used for acquiring preset Bluetooth beacons in the target parking lot, wherein the number of the Bluetooth beacons is equal to or more than 2;
the signal confirmation unit is used for acquiring a positioning Bluetooth signal sent by the Bluetooth beacon in the target train yard and determining the signal intensity of the positioning Bluetooth signal and the round trip time of the positioning Bluetooth signal;
the position information confirming unit is used for confirming the position information of the target vehicle according to the signal intensity of the positioning Bluetooth signal and the round trip time of the positioning Bluetooth signal, wherein the positioning Bluetooth signal and the Bluetooth information of the target vehicle carry out interactive response;
the positioning model generating unit is used for carrying out characteristic analysis on the position information of the target vehicle and the positioning Bluetooth signal, learning and constructing a positioning model in the target parking lot according to a learning result;
the signal receiving unit is used for acquiring the Bluetooth signals to be positioned of the Bluetooth information and respectively determining the signal intensity of the Bluetooth beacon for receiving the Bluetooth signals to be positioned;
the matching unit is used for receiving the signal intensity of the Bluetooth signal to be positioned according to the Bluetooth beacon, estimating relative position data of the Bluetooth beacon relative to the Bluetooth information based on the signal intensity, and meanwhile inputting the relative position data into the positioning model for matching;
and the positioning unit is used for determining the specific position of the target vehicle in the target parking lot based on the matching result.
7. The 5G Internet of things intelligent parking space inquiry platform according to claim 6, wherein the positioning unit further comprises:
the link establishing unit is used for acquiring a first identifier of the Bluetooth information and a second identifier of the Bluetooth beacon and establishing a link with a Bluetooth gateway based on the Bluetooth information and the Bluetooth beacon;
the data transmission unit is used for carrying out data iterative transmission on the Bluetooth data of the Bluetooth information and the Bluetooth data of the Bluetooth beacon in a wifi wireless network according to the Bluetooth gateway;
and the data display unit is used for displaying the position of the target vehicle in the target parking lot on the mobile terminal of the target vehicle owner based on the transmission result.
8. The 5G Internet of things intelligent parking space query platform according to claim 1, wherein the navigation module comprises:
the parking lot structure determining unit is used for determining the internal structure of the target parking lot, constructing a three-dimensional map based on the internal structure of the target parking lot, and displaying the three-dimensional map through a three-dimensional coordinate system;
the position determining unit is used for rasterizing the target parking lot based on a display result and respectively corresponding the parking space to be parked and the current position of the target vehicle owner to the starting grid and the target grid after rasterization;
the position determining unit is further configured to determine target coordinates of the departure grid and the destination grid based on the three-dimensional coordinate system, and determine at least one passage inside the rasterized target yard;
the route determining unit is used for determining an initial navigation route based on the target coordinates and the internal path of the target parking lot, analyzing the initial navigation route and determining part of target key points on the initial navigation route;
the path optimization unit is used for amplifying the part of the target key points to obtain all key points;
the path optimization unit is further configured to construct a risk assessment model based on the internal structure of the target yard, perform risk assessment on all the key points based on the risk assessment model, and determine a collision risk value of the initial navigation path;
and the path optimization unit is further used for adjusting the positions of the risk key points on the initial navigation path based on the collision risk values and obtaining a final three-dimensional navigation route.
9. The 5G Internet of things intelligent parking space query platform according to claim 1, wherein the navigation module further comprises:
the navigation request unit is used for acquiring navigation requests submitted by users and sending the navigation requests to preset local navigation servers corresponding to a target parking lot, wherein at least one preset local navigation server is provided, and the navigation requests comprise starting point and end point position information;
the navigation unit is used for controlling the preset local navigation server to receive the navigation request, analyzing the navigation request and determining the real-time position of the target vehicle;
and the navigation unit is used for updating the real-time position of the target vehicle on the three-dimensional navigation route in real time, displaying the real-time position of the target vehicle on a vehicle-mounted display screen of the target vehicle, and sending a voice navigation prompt to a target vehicle owner.
10. The 5G Internet of things intelligent parking space inquiry platform according to claim 9, wherein the navigation unit comprises:
the offset detection unit is used for acquiring the real-time position of the target vehicle and acquiring the three-dimensional navigation route;
the offset detection unit is used for determining whether the target vehicle runs in the set direction indicated by the three-dimensional navigation route or not based on the real-time position;
if the target vehicle is not deviated, judging that the navigation of the target vehicle owner is qualified, and continuing to provide navigation for the target vehicle owner until the target vehicle stops to the parking space to be reserved;
otherwise, determining the offset of the target vehicle and the three-dimensional navigation route, and determining a target correction angle and a target correction direction based on the offset;
and the correcting unit is used for reminding a target vehicle owner of the target correcting angle and the target correcting direction based on voice reminding and a vehicle-mounted display screen until the target vehicle is stopped at the parking space to be parked.
CN202210088558.4A 2022-01-25 2022-01-25 5G thing networking wisdom parking stall inquiry platform Active CN114446084B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210088558.4A CN114446084B (en) 2022-01-25 2022-01-25 5G thing networking wisdom parking stall inquiry platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210088558.4A CN114446084B (en) 2022-01-25 2022-01-25 5G thing networking wisdom parking stall inquiry platform

Publications (2)

Publication Number Publication Date
CN114446084A true CN114446084A (en) 2022-05-06
CN114446084B CN114446084B (en) 2023-01-03

Family

ID=81369748

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210088558.4A Active CN114446084B (en) 2022-01-25 2022-01-25 5G thing networking wisdom parking stall inquiry platform

Country Status (1)

Country Link
CN (1) CN114446084B (en)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005096703A (en) * 2003-09-26 2005-04-14 Nec Fielding Ltd Automatic incoming and outgoing system for vehicle to/from parking garage
JP2009264939A (en) * 2008-04-25 2009-11-12 Nissan Motor Co Ltd On-vehicle navigation device and navigation method for vehicle
US20110022269A1 (en) * 2008-03-25 2011-01-27 Panasonic Electric Works Co., Ltd. Parking space monitoring device
CN204217130U (en) * 2014-11-21 2015-03-18 贵州腾想永创科技有限公司 Based on the parking garage localizer beacon equipment of bluetooth 4.0 technology
CN205680303U (en) * 2016-05-09 2016-11-09 于澳婕 Underground garage navigation system
KR20170111417A (en) * 2016-03-28 2017-10-12 한국오므론전장주식회사 System and method for tracking parking position of vehicle using beacon of bluetooth
KR20180003729A (en) * 2016-06-30 2018-01-10 현대엠엔소프트 주식회사 Navigation apparatus and control method thereof
CN108615396A (en) * 2018-04-26 2018-10-02 中设设计集团股份有限公司 Stopping guide, reverse vehicle searching system and method based on bluetooth positioning
CN208569890U (en) * 2018-04-17 2019-03-01 杭州立方控股股份有限公司 A kind of intelligent vehicle-tracing system for parking lot
CN109615912A (en) * 2018-12-27 2019-04-12 海南传科技有限公司 A kind of parking garage parking space intelligent recommender system for heavy construction
CN109841081A (en) * 2017-11-29 2019-06-04 深圳市微能信息科技有限公司 A kind of vehicle positioning method and handheld terminal based on Bluetooth technology
CN109870715A (en) * 2019-04-04 2019-06-11 苏州足加新能源科技有限公司 A kind of indoor locating system and air navigation aid based on smart machine
CN110648551A (en) * 2019-09-20 2020-01-03 河海大学 Underground garage parking space positioning and navigation method based on mixed beacon stream
CN111552764A (en) * 2020-05-15 2020-08-18 弗徕威智能机器人科技(上海)有限公司 Parking space detection method, device and system, robot and storage medium
CN111754801A (en) * 2020-06-24 2020-10-09 北京速通科技有限公司 Intelligent navigation system, intelligent terminal and intelligent navigation method for parking lot
CN112037565A (en) * 2020-08-31 2020-12-04 国家电网有限公司 Parking space navigation method and system based on Bluetooth positioning

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005096703A (en) * 2003-09-26 2005-04-14 Nec Fielding Ltd Automatic incoming and outgoing system for vehicle to/from parking garage
US20110022269A1 (en) * 2008-03-25 2011-01-27 Panasonic Electric Works Co., Ltd. Parking space monitoring device
JP2009264939A (en) * 2008-04-25 2009-11-12 Nissan Motor Co Ltd On-vehicle navigation device and navigation method for vehicle
CN204217130U (en) * 2014-11-21 2015-03-18 贵州腾想永创科技有限公司 Based on the parking garage localizer beacon equipment of bluetooth 4.0 technology
KR20170111417A (en) * 2016-03-28 2017-10-12 한국오므론전장주식회사 System and method for tracking parking position of vehicle using beacon of bluetooth
CN205680303U (en) * 2016-05-09 2016-11-09 于澳婕 Underground garage navigation system
KR20180003729A (en) * 2016-06-30 2018-01-10 현대엠엔소프트 주식회사 Navigation apparatus and control method thereof
CN109841081A (en) * 2017-11-29 2019-06-04 深圳市微能信息科技有限公司 A kind of vehicle positioning method and handheld terminal based on Bluetooth technology
CN208569890U (en) * 2018-04-17 2019-03-01 杭州立方控股股份有限公司 A kind of intelligent vehicle-tracing system for parking lot
CN108615396A (en) * 2018-04-26 2018-10-02 中设设计集团股份有限公司 Stopping guide, reverse vehicle searching system and method based on bluetooth positioning
CN109615912A (en) * 2018-12-27 2019-04-12 海南传科技有限公司 A kind of parking garage parking space intelligent recommender system for heavy construction
CN109870715A (en) * 2019-04-04 2019-06-11 苏州足加新能源科技有限公司 A kind of indoor locating system and air navigation aid based on smart machine
CN110648551A (en) * 2019-09-20 2020-01-03 河海大学 Underground garage parking space positioning and navigation method based on mixed beacon stream
CN111552764A (en) * 2020-05-15 2020-08-18 弗徕威智能机器人科技(上海)有限公司 Parking space detection method, device and system, robot and storage medium
CN111754801A (en) * 2020-06-24 2020-10-09 北京速通科技有限公司 Intelligent navigation system, intelligent terminal and intelligent navigation method for parking lot
CN112037565A (en) * 2020-08-31 2020-12-04 国家电网有限公司 Parking space navigation method and system based on Bluetooth positioning

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杜宝江等: "地下堆垛式立体车库内部自动布局技术研究", 《中国水运(下半月)》 *

Also Published As

Publication number Publication date
CN114446084B (en) 2023-01-03

Similar Documents

Publication Publication Date Title
CN108230734B (en) Outdoor wisdom parking system based on V2X communication
CN107481548B (en) Parking management method and system
CN108665342A (en) A kind of realization electric automobile charging station point intelligent recommendation system
US20080136674A1 (en) Intelligent parking guidance apparatus and method
CN110906939A (en) Automatic driving positioning method and device, electronic equipment, storage medium and automobile
CN105427651A (en) Parking navigation method and apparatus based on inertial navigation
CN102270386A (en) Bidirectional positioning-based taxi booking system
CN105931494A (en) System and method for accurately acquiring parking spaces
CN109410633A (en) A kind of intelligent garage parking stall navigation methods and systems
CN111161557A (en) Intelligent parking lot management system and vehicle searching method
CN106448241A (en) Method and device for parking induction, terminal and server
CN105654766A (en) Underground parking car finding system based on ZigBee fingerprint positioning technology and control method thereof
CN111754801A (en) Intelligent navigation system, intelligent terminal and intelligent navigation method for parking lot
CN107564332B (en) Parking space prompting method, system and computer readable storage medium
Yeh et al. A city parking integration system combined with cloud computing technologies and smart mobile devices
US9915538B2 (en) Method for operating a vehicle
CN114446084B (en) 5G thing networking wisdom parking stall inquiry platform
CN109147374A (en) Parking lot management method, system, on board unit and background server
WO2018195697A1 (en) Vehicle parking and pick-up management method and device
CN112382125B (en) Urban street roadside short-time parking management system
CN108320505A (en) Real-time traffic information distribution system based on fixed vehicle information collection and method
CN111598513A (en) Logistics management method capable of monitoring cargo running state and judging driving route
CN111862674A (en) Route planning method and device
KR100547623B1 (en) Precise positioning device and method using location information of radio frequency recognition system
WO2019188282A1 (en) Server device, information processing method, program, and storage medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant