CN111770144A - Intelligent remote control car networking system based on big data - Google Patents
Intelligent remote control car networking system based on big data Download PDFInfo
- Publication number
- CN111770144A CN111770144A CN202010552563.7A CN202010552563A CN111770144A CN 111770144 A CN111770144 A CN 111770144A CN 202010552563 A CN202010552563 A CN 202010552563A CN 111770144 A CN111770144 A CN 111770144A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- network
- module
- internet
- service
- 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.)
- Pending
Links
- 230000006855 networking Effects 0.000 title claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 53
- 238000010295 mobile communication Methods 0.000 claims abstract description 26
- 238000005516 engineering process Methods 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 6
- 206010039203 Road traffic accident Diseases 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
-
- 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]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Telephonic Communication Services (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the technical field of vehicle networking, and discloses an intelligent remote control vehicle networking system based on big data, which comprises a vehicle-mounted terminal, a GPS (global positioning system), an automobile electronic control module, a vehicle ad hoc network, a wireless local area network, a mobile communication network, the Internet, a provider server and a mobile phone client; the vehicle-mounted terminal is in communication connection with the vehicle ad hoc network, the wireless local area network and the mobile communication network through the internal communication module. This intelligence remote control car networking system based on big data can realize data sharing through vehicle terminal through accessing vehicle ad hoc network and other vehicles, thereby also can utilize multiple wireless communication mode real-time access internet to obtain the service, so can guarantee the real-time and the internet access of vehicle in most region.
Description
Technical Field
The invention relates to the technical field of vehicle networking, in particular to an intelligent remote control vehicle networking system based on big data.
Background
In recent years, with the continuous increase of the automobile holding capacity, the road bearing capacity has been saturated in many cities, and the problems of traffic safety, travel efficiency, environmental protection and the like are increasingly highlighted.
The vehicle network acquires the driving attribute and system running state information of a vehicle by using an electronic tag RFID loaded on the vehicle, acquires parameters such as the driving position of the vehicle by using global positioning technologies such as GPS and the like, realizes information transmission and sharing by using wireless transmission technologies such as 3G and the like, acquires the use conditions of traffic infrastructures such as roads, bridges and the like by using the RFID and a sensor, and finally realizes vehicle running monitoring and provides various traffic comprehensive services by using an Internet information platform.
The existing car networking system has the following disadvantages:
first, the existing car networking system is relatively fragile in network structure, all services are integrated in one service center, all vehicles must directly connect with the center to obtain services, and all services are lost once the connection with the service center is lost.
Second, service provisioning is relatively limited because the existing vehicle service system is not an open architecture, i.e., the vehicles can only obtain the services provided by the service providers of their brands and cannot share the services with each other, and third party service providers cannot provide services for the vehicles.
Third, the communication technology is lagging behind, and the communication means used by the existing vehicle service system is basically voice call. Data exchange with large data volume cannot be realized at all, which also greatly limits the service quality and the service level.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an intelligent remote control car networking system based on big data.
The invention provides the following technical scheme: an intelligent remote control car networking system based on big data comprises a car terminal, a GPS, a car electronic control module, a car ad hoc network, a wireless local area network, a mobile communication network, the Internet, a provider server and a mobile phone client;
the vehicle-mounted terminal is respectively in communication connection with a vehicle ad hoc network, a wireless local area network and a mobile communication network through an internal communication module, the vehicle ad hoc network, the wireless local area network and the mobile communication network are in communication connection with a provider server through the internet, and the vehicle-mounted terminal is used as a vehicle node to access the internet in three access modes;
the vehicle-mounted terminal is in communication connection with the automobile electronic control module and is used for reading vehicle attribute information and static and dynamic information and sending the data to the server when related Internet of vehicles service needs to call the data;
the mobile phone client is in communication connection with the server, when relevant data need to be sent to the vehicle from the server, the vehicle-mounted terminal is responsible for receiving the relevant data and informing a user through the mobile phone client, and the user can remotely control the vehicle-mounted terminal through the mobile phone client;
the GPS is in communication connection with the vehicle-mounted terminal, real-time positioning information is provided for the vehicle through the GPS, system searching and positioning time is prolonged, positioning accuracy is improved, and meanwhile positioning service can be provided in an area which cannot be covered by satellite signals.
Preferably, the provider server is installed on the internet, and provides services to the vehicle through a global network, such as the internet, and the vehicle networking server generally accesses the internet in a private line mode in consideration of factors such as privacy of vehicle networking data and data traffic.
Preferably, the vehicle ad hoc network is a multi-hop, centerless, ad hoc wireless network, the whole network has no fixed infrastructure, and each node has certain mobility and can dynamically maintain communication with other nodes.
Preferably, the wireless local area network can use short-range wireless communication technology based on IEEE802.11 to access the Internet in a specific use environment.
Preferably, the mobile communication network is connected with the internet by using a heterogeneous seamless switching technology, and can provide services for the vehicle-mounted terminal.
Preferably, the vehicle-mounted terminal is internally provided with a voice module, a positioning module, a service module, an information management module and a call-for-help module, wherein the voice module provides voice service for the vehicle-mounted sound equipment and the microphone, the positioning module positions the vehicle-mounted sound equipment and the microphone through a GPS, the service module is used for road rescue, telephone operator service and consultation service, the information management module is used for acquiring vehicle attribute information and static and dynamic information and automatically sending the information to a related service provider through the vehicle-mounted terminal, a professional reads the information and dynamically manages the vehicle state in real time, the call-for-help module automatically dials an emergency rescue telephone after a traffic accident happens and automatically reports the position of the accident vehicle, and the vehicle network terminal comprehensively uses technical means of satellite communication, mobile communication, radio communication and short-distance wireless communication for rescue.
Preferably, the vehicle-mounted terminal selectively provides or simultaneously provides a third-generation mobile communication interface, the vehicle-mounted terminal is used as a mobile communication terminal to access a mobile communication network, and a vehicle-mounted sound and a voice short are used for providing voice communication service.
Preferably, the service module obtains services through point-to-point voice communication between the internet and the service center, and the user can obtain services including road rescue, operator services and information services through the voice communication.
Preferably, a short-range wireless communication module such as WiFi is integrated on the information management module and a wireless lan device is installed in the vehicle entrance and exit area.
Compared with the prior art, the invention has the following beneficial effects:
this intelligence remote control car networking system based on big data can realize data sharing through vehicle terminal through accessing vehicle ad hoc network and other vehicles, thereby also can utilize multiple wireless communication mode real-time access internet to obtain the service, so can guarantee the real-time and the internet access of vehicle in most region.
The vehicle terminal is provided with a wireless local area network device in a vehicle access area through a short-distance wireless communication module integrated with an information management module, such as WiFi, and the vehicle can be quickly accessed into the wireless local area network in the access area.
The vehicle terminal can obtain various services provided by the internet of vehicles service provider, including voice service communication, positioning, navigation, mobile internet access, vehicle third-party information management service, vehicle emergency rescue, vehicle data and management, vehicle-mounted entertainment and the like through the voice module, the positioning module, the service module and the call-for-help module.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the vehicle-mounted terminal of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure, and in order to keep the following description of the embodiments of the present disclosure clear and concise, detailed descriptions of known functions and known parts of the disclosure are omitted to avoid unnecessarily obscuring the concepts of the present disclosure.
Referring to fig. 1-2, an intelligent remote control car networking system based on big data comprises a car terminal, a GPS, a car electronic control module, a car ad hoc network, a wireless local area network, a mobile communication network, the internet, a provider server and a mobile phone client.
The vehicle-mounted terminal is in communication connection with the vehicle ad hoc network, the wireless local area network and the mobile communication network through the internal communication module respectively, the vehicle ad hoc network, the wireless local area network and the mobile communication network are in communication connection with the provider server through the internet, and the vehicle-mounted terminal is used as a vehicle node to access the internet in three access modes.
The vehicle-mounted terminal is in communication connection with the automobile electronic control module and used for reading vehicle attribute information and static and dynamic information and sending the data to the server when related vehicle networking services need to call the data.
The mobile phone client is in communication connection with the server, when relevant data need to be sent to the vehicle from the server, the vehicle-mounted terminal is responsible for receiving the relevant data and informing a user through the mobile phone client, and the user can carry out remote control on the vehicle-mounted terminal through the mobile phone client.
The GPS is in communication connection with the vehicle-mounted terminal, real-time positioning information is provided for the vehicle through the GPS, the system searching positioning time is prolonged, the positioning accuracy is improved, and meanwhile positioning service can be provided in an area which cannot be covered by satellite signals.
The provider server is erected on the internet, provides services for vehicles through a global network such as the internet, and generally accesses the internet in a private line mode in consideration of factors such as privacy of internet data and data flow.
The vehicle ad hoc network is a multi-hop, centerless and ad hoc wireless network, the whole network has no fixed infrastructure, and each node has certain mobility and can dynamically maintain communication with other nodes.
Wireless local area networks vehicles may use IEEE802.11 based short range wireless communication technology to access the internet in certain usage environments.
The mobile communication network is connected with the Internet by utilizing a heterogeneous network seamless switching technology and can provide service for the vehicle-mounted terminal.
The vehicle-mounted terminal is internally provided with a voice module, a positioning module, a service module, an information management module and a call-for-help module, wherein the voice module provides voice service for a vehicle-mounted sound device and a microphone, the positioning module positions the vehicle-mounted sound device and the microphone through a GPS (global positioning system), the service module is used for road rescue, telephone operator service and consultation service, the information management module is used for acquiring vehicle attribute information and static and dynamic information and automatically sending the vehicle attribute information to a related service provider through the vehicle-mounted terminal, information is read by professionals and dynamically and real-timely managed for the vehicle state, the call-for-help module automatically dials an emergency rescue telephone after a traffic accident happens and automatically reports the position of the accident vehicle, and the vehicle network terminal comprehensively uses satellite communication, mobile communication, radio communication and short-distance wireless communication technical means for rescue.
The vehicle-mounted terminal selectively provides or simultaneously provides a third-generation mobile communication interface, the vehicle-mounted terminal is used as a mobile communication terminal to access a mobile communication network, and the vehicle-mounted sound and the voice communication service is provided by using the vehicle-mounted sound box and the voice message.
The service module obtains services through point-to-point voice communication between the Internet and the service center, and the user can obtain services including road rescue, telephone operator services and information services through the voice communication.
A short-range wireless communication module such as WiFi integrated on the information management module and a wireless lan device installed in the vehicle entrance and exit area.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (9)
1. The utility model provides an intelligence remote control car networking system based on big data which characterized in that: the system comprises a vehicle-mounted terminal, a GPS, an automobile electronic control module, a vehicle ad hoc network, a wireless local area network, a mobile communication network, the Internet, a provider server and a mobile phone client;
the vehicle-mounted terminal is respectively in communication connection with a vehicle ad hoc network, a wireless local area network and a mobile communication network through an internal communication module, the vehicle ad hoc network, the wireless local area network and the mobile communication network are in communication connection with a provider server through the internet, and the vehicle-mounted terminal is used as a vehicle node to access the internet in three access modes;
the vehicle-mounted terminal is in communication connection with the automobile electronic control module and is used for reading vehicle attribute information and static and dynamic information and sending the data to the server when related Internet of vehicles service needs to call the data;
the mobile phone client is in communication connection with the server, when relevant data need to be sent to the vehicle from the server, the vehicle-mounted terminal is responsible for receiving the relevant data and informing a user through the mobile phone client, and the user can remotely control the vehicle-mounted terminal through the mobile phone client;
the GPS is in communication connection with the vehicle-mounted terminal, real-time positioning information is provided for the vehicle through the GPS, system searching and positioning time is prolonged, positioning accuracy is improved, and meanwhile positioning service can be provided in an area which cannot be covered by satellite signals.
2. The intelligent remote control car networking system based on big data according to claim 1, characterized in that: the provider server is erected on the Internet, provides services for vehicles through a global network such as the Internet, and generally accesses the Internet in a private line mode in consideration of factors such as privacy of Internet data and data flow.
3. The intelligent remote control car networking system based on big data according to claim 1, characterized in that: the vehicle ad hoc network is a multi-hop, centerless and ad hoc wireless network, the whole network has no fixed infrastructure, and each node has certain mobility and can dynamically keep communication with other nodes.
4. The intelligent remote control car networking system based on big data according to claim 1, characterized in that: the wireless local area network may use IEEE 802.11-based short-range wireless communication technology for vehicles to access the internet in certain usage environments.
5. The intelligent remote control car networking system based on big data according to claim 1, characterized in that: the mobile communication network is connected with the Internet by utilizing a heterogeneous network seamless switching technology and can provide service for the vehicle-mounted terminal.
6. The intelligent remote control car networking system based on big data according to claim 1, characterized in that: the vehicle-mounted terminal is internally provided with a voice module, a positioning module, a service module, an information management module and a call-for-help module, wherein the voice module provides voice service for a vehicle-mounted sound device and a microphone, the positioning module positions the vehicle-mounted sound device and the microphone through a GPS, the service module is used for road rescue, telephone operator service and consultation service, the information management module is used for acquiring vehicle attribute information and static and dynamic information and automatically sending the vehicle attribute information to a related service provider through the vehicle-mounted terminal, information is read by professionals to dynamically manage the vehicle state in real time, the call-for-help module automatically dials an emergency rescue telephone after a traffic accident happens and automatically reports the position of the accident vehicle, and the vehicle network terminal comprehensively uses satellite communication, mobile communication, radio communication and short-distance wireless communication technical means for rescue.
7. The intelligent remote control car networking system based on big data according to claim 6, characterized in that: the vehicle-mounted terminal selectively provides or simultaneously provides a third-generation mobile communication interface, the vehicle-mounted terminal is used as a mobile communication terminal to access a mobile communication network, and the vehicle-mounted sound and the voice letter are used for providing voice communication service.
8. The intelligent remote control car networking system based on big data according to claim 6, characterized in that: the service module obtains services through point-to-point voice communication between the Internet and the service center, and the user can obtain services including road rescue, telephone operator services and information services through the voice communication.
9. The intelligent remote control car networking system based on big data according to claim 6, characterized in that: a short-range wireless communication module such as WiFi integrated on the information management module and a wireless lan device installed in the vehicle entrance and exit area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552563.7A CN111770144A (en) | 2020-06-17 | 2020-06-17 | Intelligent remote control car networking system based on big data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552563.7A CN111770144A (en) | 2020-06-17 | 2020-06-17 | Intelligent remote control car networking system based on big data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111770144A true CN111770144A (en) | 2020-10-13 |
Family
ID=72722762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010552563.7A Pending CN111770144A (en) | 2020-06-17 | 2020-06-17 | Intelligent remote control car networking system based on big data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111770144A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023202680A1 (en) * | 2022-04-21 | 2023-10-26 | 北京车和家汽车科技有限公司 | Vehicle alert control method and apparatus, medium, device, and vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060211446A1 (en) * | 2005-03-21 | 2006-09-21 | Armin Wittmann | Enabling telematics and mobility services within a vehicle for disparate communication networks |
| CN104994601A (en) * | 2015-06-01 | 2015-10-21 | 南京邮电大学 | 4G vehicle smart terminal system |
| CN205490681U (en) * | 2016-04-07 | 2016-08-17 | 河南大学 | Novel car networking systems |
| CN107298071A (en) * | 2016-04-14 | 2017-10-27 | 东北林业大学 | A kind of vehicle remote control and burglary-resisting system based on car networking Android smartphone |
| CN107911476A (en) * | 2017-12-05 | 2018-04-13 | 李瑶 | A kind of multi-functional auxiliary drives and monitoring system |
| CN108769950A (en) * | 2018-07-24 | 2018-11-06 | 中国航天空气动力技术研究院 | The car networking information system of connection automobile is netted towards V2X |
| CN208479957U (en) * | 2018-07-24 | 2019-02-05 | 中国航天空气动力技术研究院 | A kind of car-mounted terminal T-BOX and the car networking massaging device towards V2X net connection automobile |
-
2020
- 2020-06-17 CN CN202010552563.7A patent/CN111770144A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060211446A1 (en) * | 2005-03-21 | 2006-09-21 | Armin Wittmann | Enabling telematics and mobility services within a vehicle for disparate communication networks |
| CN104994601A (en) * | 2015-06-01 | 2015-10-21 | 南京邮电大学 | 4G vehicle smart terminal system |
| CN205490681U (en) * | 2016-04-07 | 2016-08-17 | 河南大学 | Novel car networking systems |
| CN107298071A (en) * | 2016-04-14 | 2017-10-27 | 东北林业大学 | A kind of vehicle remote control and burglary-resisting system based on car networking Android smartphone |
| CN107911476A (en) * | 2017-12-05 | 2018-04-13 | 李瑶 | A kind of multi-functional auxiliary drives and monitoring system |
| CN108769950A (en) * | 2018-07-24 | 2018-11-06 | 中国航天空气动力技术研究院 | The car networking information system of connection automobile is netted towards V2X |
| CN208479957U (en) * | 2018-07-24 | 2019-02-05 | 中国航天空气动力技术研究院 | A kind of car-mounted terminal T-BOX and the car networking massaging device towards V2X net connection automobile |
Non-Patent Citations (1)
| Title |
|---|
| 许新等: "车联网技术研究", 《科技创新与应用》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023202680A1 (en) * | 2022-04-21 | 2023-10-26 | 北京车和家汽车科技有限公司 | Vehicle alert control method and apparatus, medium, device, and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7868784B2 (en) | System and apparatus for parking management | |
| CN107948301B (en) | Vehicle intelligent communication and navigation system | |
| US6636256B1 (en) | Video communication system | |
| US6564127B1 (en) | Data collection via a wireless communication system | |
| US20030120826A1 (en) | System and method for building a communication platform for the telematics domain using a distribution of network objects | |
| CN1642144B (en) | Information dissemination method and system for mobile wireless ad hoc networks | |
| US6782266B2 (en) | Method of wireless communication in restricted wireless zones | |
| US20170366936A1 (en) | Mobile WiFi Network | |
| JP3070853B1 (en) | Road-to-vehicle communication method using optical wireless fusion communication | |
| CN205657715U (en) | Vehicle communication system based on big dipper location | |
| CN105302007A (en) | Internet of vehicles operation control system | |
| CN111132257B (en) | C-V2X communication method and device | |
| CN105373061A (en) | Vehicle real-time monitoring system based on BD2/GPS double-satellite positioning | |
| CN105872084A (en) | On-board client communication method and system | |
| CN111770144A (en) | Intelligent remote control car networking system based on big data | |
| Hellaker et al. | Real-time traveller information-In everyone's pocket?-A pilot test using hand-portable GSM terminals | |
| Wu et al. | BLE-horn: A smartphone-based bluetooth low energy vehicle-to-pedestrian safety system | |
| CN102118688A (en) | Vehicle information system | |
| JP2005159873A (en) | Mobile communication system | |
| Hasan | Vehicular communication and sensor networks | |
| CN101741909B (en) | Communication information terminal and inter-module process calling method thereof | |
| Fan et al. | The design of IOV overall structure and the research of IOV key technology in intelligent transportation system | |
| KR20120040496A (en) | A system and a method for controlling telematics middleware | |
| CN202798688U (en) | Digit private mobile wireless digital communication based device and system | |
| CN101662492A (en) | Interaction system and method for point-to-point wireless mobile communication |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201013 |