WO2020260494A1 - Système pour réaliser une fonction d'info-divertissement dans un véhicule - Google Patents

Système pour réaliser une fonction d'info-divertissement dans un véhicule Download PDF

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Publication number
WO2020260494A1
WO2020260494A1 PCT/EP2020/067893 EP2020067893W WO2020260494A1 WO 2020260494 A1 WO2020260494 A1 WO 2020260494A1 EP 2020067893 W EP2020067893 W EP 2020067893W WO 2020260494 A1 WO2020260494 A1 WO 2020260494A1
Authority
WO
WIPO (PCT)
Prior art keywords
data
onboard computer
computer device
onboard
data stream
Prior art date
Application number
PCT/EP2020/067893
Other languages
English (en)
Inventor
Songyuan HAN
Kun Li
Tingting Hu
Jun Yang
Original Assignee
Continental Automotive Gmbh
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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2020260494A1 publication Critical patent/WO2020260494A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B31/00—Arrangements for the associated working of recording or reproducing apparatus with related apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
    • 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
    • H04L67/08—Protocols specially adapted for terminal emulation, e.g. Telnet
    • 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
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/024—Guidance services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

Definitions

  • the present invention relates to the field of motor vehicles, in particular to a system for realizing an in-vehicle infotainment function.
  • an onboard computer performs data processing on user-inputted data and data from onboard equipment such as an onboard GPS (Global Positioning System) device, radar, sensors, cameras or a CAN (Controller Area Network) , in order to generate an HMI (Human Machine Interface) video data stream and/or audio data stream, and sends the HMI video data stream and/or audio data stream to an HMI (e.g. a touch screen, speaker or other onboard device) , thereby realizing a corresponding in-car infotainment function, such as voice and video play, wireless communication, navigation, parking assistance and other functions.
  • GPS Global Positioning System
  • sensors sensors
  • a CAN Controller Area Network
  • the starting point of the present invention is the provision of a system for realizing an in-vehicle infotainment function and an onboard computer device, thereby solving the abovementioned problem in the prior art.
  • An embodiment of the present invention discloses a system for realizing an in-vehicle infotainment function, the system comprising an onboard computer device and a cloud device;
  • the onboard computer device acquires vehicle infotainment-function-related sensor data, vehicle operating condition data and/or user-inputted data by means of a CAN bus or cable harness connection to a sensor, sends the acquired data to the cloud device, and realizes the in-vehicle infotainment function according to a data stream coming from the cloud device and directly presentable by an onboard human-machine interactive device ;
  • the cloud device performs data processing on the data from the onboard computer device and thereby obtains the data stream directly presentable by the onboard human-machine interactive device, and sends the obtained data stream to the onboard computer device;
  • the system further comprises a mobile terminal device, which is in communicative connection with the onboard computer device in a wireless or wired manner and in communicative connection with the cloud device via a 5G network; if a fault occurs in 5G network communication between the onboard computer device and the cloud device, the mobile terminal device is used as a router to realize data transmission between the onboard computer device and the cloud device.
  • the onboard computer device acquires the sensor data, vehicle operating condition data and/or user-inputted data on the basis of an infotainment-function-related request from a user.
  • the data stream directly presentable by the onboard human-machine interactive device is an HMI video data stream and/or audio data stream.
  • the onboard computer device comprises a baseband module, a vehicle control module, an entertainment system module, and an interface for performing data exchange.
  • the cloud device generates a data stream capable of realizing radio, telephone, multimedia, navigation, reversing assistance, ADAS, Bluetooth, voice recognition, parking assistance and sound management functions.
  • An embodiment of the present invention further discloses a system for realizing an in-vehicle infotainment function, the system comprising an onboard computer device and a mobile terminal device, the mobile terminal device being in communicative connection with the onboard computer device in a wireless or wired manner;
  • the onboard computer device acquires vehicle infotainment-function-related sensor data, vehicle operating condition data and/or user-inputted data by means of a CAN bus or cable harness connection to a sensor, the onboard computer device sends the acquired data to the mobile terminal device, and realizes the in-vehicle infotainment function according to a data stream coming from the mobile terminal device and directly presentable by an onboard human-machine interactive device;
  • the mobile terminal device performs emergency or limited-function data processing on the data from the onboard computer device and thereby obtains the data stream directly presentable by the onboard human-machine interactive device, and sends the obtained data stream to the onboard computer device.
  • the data stream directly presentable by the onboard human-machine interactive device is an HMI video data stream and/or audio data stream.
  • the onboard computer device comprises a baseband module, a vehicle control module, an entertainment system module, and an interface for performing data exchange.
  • the mobile terminal device performs emergency or limited-function data processing and thereby obtains a data stream capable of realizing audio/video stream processing, parking assistance, navigation and voice recognition functions.
  • the mobile terminal device is in communicative connection with the onboard computer device by BLE , WIFI or USB.
  • the onboard computer device tests communication quality of a 5G network between itself and a cloud device; if it detects that a fault has occurred in the 5G network, the onboard computer device performs data exchange with the mobile terminal device to realize the in-vehicle infotainment function.
  • the onboard computer device acquires the sensor data, vehicle operating condition data and/or user-inputted data on the basis of an infotainment-function-related request from a user.
  • the system for realizing an in-vehicle infotainment function in an embodiment of the present invention at least has the following advantages:
  • data processing work which is currently performed by the onboard computer device is transferred to the cloud device, thereby reducing the software and hardware expenses of the onboard computer device, lowering the cost of the onboard computer device and shortening the research and development cycle.
  • data processing is performed by means of the mobile terminal device to realize a travelling-safety-related in-vehicle infotainment function, thereby providing a temporary standby solution when a fault occurs in 5G network communication between the onboard computer device and the cloud device.
  • the mobile terminal device is used as a router to realize data transmission between the onboard computer device and the cloud device, thereby providing a temporary standby solution when a fault occurs in 5G network communication between the onboard computer device and the cloud device .
  • FIG. 1 shows a system for realizing an in-vehicle infotainment function according to a particular embodiment of the present invention.
  • FIG. 2 shows a system for realizing an in-vehicle infotainment function according to another particular embodiment of the present invention.
  • FIGs. 3A and 3B show application scenarios in which the system is used to realize a navigation function in the prior art and the present invention respectively.
  • onboard computer device 100 baseband chip: 110
  • the system provided in the present invention for realizing an in-vehicle infotainment function comprises an onboard computer device and a cloud device.
  • the onboard computer device can acquire vehicle infotainment-function-related sensor data, vehicle operating condition data and/or user-inputted data by means of a CAN bus or cable harness connection to a sensor, send the acquired data to the cloud device, and realize the in-vehicle infotainment function according to a data stream coming from the cloud device and directly presentable by an onboard human-machine interactive device.
  • the user of the vehicle can input an infotainment-function-related request via an HMI (e.g.
  • the onboard computer device acquires the sensor data, vehicle operating condition data and/or user-inputted data.
  • the data stream directly presentable by the onboard human-machine interactive device may for example be an HMI video data stream and/or audio data stream.
  • the cloud device performs data processing on the data from the onboard computer device and thereby obtains the data stream directly presentable by the onboard human-machine interactive device, and sends the obtained data stream to the onboard computer device. Data transmission between the onboard computer device and the cloud device is carried out by means of a 5G network .
  • the system provided in the present invention for realizing an in-vehicle infotainment function may further comprise a mobile terminal device.
  • the mobile terminal device can serve as a temporary standby solution when a fault occurs in the 5G network between the onboard computer device and the cloud device.
  • either one of the following two standby solutions may be used:
  • the mobile terminal device is in communicative connection with the onboard computer device in a wireless or wired manner (e.g. by BLE (Bluetooth Low Energy) , WIFI or USB) , and the onboard computer device can test the communication quality of the 5G network between itself and the cloud device; if it detects that a fault has occurred in 5G network communication between the onboard computer device and the cloud device, the onboard computer device sends the vehicle infotainment-function-related sensor data, vehicle operating condition data and/or user-inputted data to the mobile terminal device; by means of the mobile terminal device, emergency or limited-function data processing is performed on the data from the onboard computer device, so as to obtain the data stream directly presentable by the onboard human-machine interactive device, and the obtained data stream is sent to the onboard computer device.
  • BLE Bluetooth Low Energy
  • WIFI Wireless Fidelity
  • the onboard computer device realizes an associated in-vehicle infotainment function according to the data stream coming from the mobile terminal device and directly presentable by the onboard human-machine interactive device. Specifically, the mobile terminal device generates a data stream capable of realizing audio/video stream processing, parking assistance , navigation and voice recognition functions .
  • the mobile terminal device is in communicative connection with the onboard computer device in a wireless or wired manner and in communicative connection with the cloud device via a 5G network; if a fault occurs in 5G network communication between the onboard computer device and the cloud device, the mobile terminal device serves as a router to realize data transmission between the onboard computer device and the cloud device.
  • FIG. 1 shows a system for realizing an in-vehicle infotainment function according to a particular embodiment of the present invention.
  • the system comprises an onboard computer device and a cloud device.
  • the cloud device performs almost all of the data processing work to generate a data stream directly presentable by an onboard human-machine interactive device, to realize an in-vehicle infotainment function. Specifically, as shown in fig. 1, the cloud device generates a data stream capable of realizing radio , telephone, multimedia, navigation, reversing assistance, ADAS, Bluetooth, voice recognition, parking assistance and sound management functions.
  • FIG. 2 shows a system for realizing an in-vehicle infotainment function according to another particular embodiment of the present invention.
  • the system comprises an onboard computer device, a cloud device and a mobile terminal device.
  • the onboard computer device has a baseband module, a vehicle control module and an entertainment system module, and also has an interface for performing data exchange, e.g. an interface for performing data exchange with a speaker, display, camera, USB, Ethernet and CAN bus.
  • the baseband module provides network connection processing.
  • the vehicle control module provides power supply management of the entire onboard computer device.
  • the entertainment system module comprises a switched virtual circuit (Svc) , a component (Infra) and an operating system (OS) .
  • the switched virtual circuit (Svc) can realize the following functions: data acquisition, sending/receiving data, audio/video presentation and processing priority determination.
  • the component can realize the following functions : TCP/IP (can be used to test the communication quality of the 5G network to determine whether a communication fault exists) , compression, encryption/decryption and caching data and response.
  • the operating system supports functions such as SPI , I2C, I2S, UART , SDE and PMIC.
  • the cloud device comprises a display layer, an intermediate layer and a system component layer.
  • the cloud device generates a data stream to realize in-vehicle infotainment functions such as radio, telephone, multimedia, navigation, reversing assistance, ADAS, Bluetooth, voice recognition, parking assistance and sound management.
  • the mobile terminal device has an emergency processing APP, to provide audio/video stream processing, navigation, parking assistance and voice recognition functions.
  • FIGs. 3A and 3B show application scenarios in which the system is used to realize a navigation function in the prior art and the present invention respectively.
  • an onboard computer device is responsible for receiving a GPS signal , parsing the GPS signal, correcting the GPS signal, storing a map, loading the map, displaying the map, sending a route calculation request to a cloud device, receiving route information sent by the cloud device and displaying broadcast navigation information via an onboard human-machine interactive device.
  • the cloud device is only responsible for calculating a navigation route.
  • the onboard computer device is responsible for a large number of data processing tasks; the route information fed back by the cloud device cannot be presented by the onboard human-machine interactive device directly.
  • the onboard computer device is only responsible for receiving and sending GPS signals, sending screen click coordinates, and displaying video and playing audio.
  • the cloud device is responsible for parsing a GPS signal, correcting the GPS signal, parsing a user request, storing a map, loading the map, calculating a route, generating an HMI video stream and generating a navigation broadcast audio stream.
  • the cloud device is responsible for almost all of the data processing work; the HMI video stream and navigation broadcast audio stream fed back by the cloud device can be presented directly by the onboard human-machine interactive device .
  • data processing work which is currently performed by the onboard computer device is transferred to the cloud device, thereby reducing the software and hardware expenses of the onboard computer device, lowering the cost of the onboard computer device and shortening the research and development cycle.
  • data processing is performed by means of the mobile terminal device to realize a travelling-safety-related in-vehicle infotainment function, thereby providing a temporary standby solution when a fault occurs in 5G network communication between the onboard computer device and the cloud device.
  • the mobile terminal device is used as a router to realize data transmission between the onboard computer device and the cloud device, thereby providing a temporary standby solution when a fault occurs in 5G network communication between the onboard computer device and the cloud device .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Navigation (AREA)

Abstract

La présente invention concerne un système pour réaliser une fonction d'info-divertissement embarqué, le système comprenant un dispositif informatique embarqué et un dispositif en nuage; le dispositif informatique embarqué acquiert des données de capteur associées à une fonction d'info-divertissement de véhicule, des données de condition de fonctionnement de véhicule et/ou des données entrées par l'utilisateur, envoie les données acquises au dispositif en nuage, et réalise la fonction d'info-divertissement dans le véhicule en fonction d'un flux de données provenant du dispositif en nuage et directement présentable par un dispositif interactif homme-machine embarqué; le dispositif en nuage effectue un traitement de données sur les données à partir du dispositif informatique embarqué et obtient ainsi le flux de données directement présentable par le dispositif interactif homme-machine embarqué, et envoie le flux de données obtenu au dispositif informatique embarqué; la transmission de données entre le dispositif informatique embarqué et le dispositif en nuage est effectuée au moyen d'un réseau 5G. Dans la présente invention, un travail de traitement de données qui est actuellement réalisé par le dispositif informatique embarqué est transféré au dispositif en nuage, ce qui permet de réduire les dépenses logicielles et matérielles du dispositif informatique embarqué.
PCT/EP2020/067893 2019-06-26 2020-06-25 Système pour réaliser une fonction d'info-divertissement dans un véhicule WO2020260494A1 (fr)

Applications Claiming Priority (2)

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CN201910560950.2 2019-06-26
CN201910560950.2A CN110278277A (zh) 2019-06-26 2019-06-26 用于实现车载信息娱乐功能的系统

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113671285A (zh) * 2021-07-29 2021-11-19 江铃汽车股份有限公司 车载娱乐系统的电磁兼容测试系统
CN115441963A (zh) * 2022-08-31 2022-12-06 重庆长安汽车股份有限公司 车载娱乐设备测试方法、系统、电子设备及可读存储介质
US11647164B2 (en) 2021-06-25 2023-05-09 Nio Technology (Anhui) Co., Ltd. Methods and systems for camera sharing between autonomous driving and in-vehicle infotainment electronic control units

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111294767A (zh) * 2020-01-17 2020-06-16 浙江吉利新能源商用车集团有限公司 一种智能网联车辆数据处理方法、系统、装置及存储介质
CN111954046B (zh) * 2020-07-10 2022-06-21 浙江联控技术有限公司 一种车载应用数据传输方法和系统
CN112435494A (zh) * 2020-11-20 2021-03-02 大陆投资(中国)有限公司 路侧设备、降低出入隧道口安全风险的方法
CN114115540A (zh) * 2021-11-25 2022-03-01 东风悦享科技有限公司 一种车辆座舱的智能娱乐交互系统及控制方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160286029A1 (en) * 2013-08-02 2016-09-29 Audi Ag Method for providing a function in a computer system of a vehicle
FR3059193A1 (fr) * 2017-03-31 2018-05-25 Continental Automotive France Procede de mise en œuvre d'un service embarque dans un vehicule au moyen de ressources presentes sur un serveur distant
US20180279201A1 (en) * 2017-03-21 2018-09-27 Ford Global Technologies, Llc Method and apparatus for efficient vehicle data reporting

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8866604B2 (en) * 2013-02-14 2014-10-21 Ford Global Technologies, Llc System and method for a human machine interface
WO2016110852A2 (fr) * 2015-01-07 2016-07-14 Green Ride Ltd. Dispositif et systèmes d'interface homme-machine pour utilisateur de véhicule

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160286029A1 (en) * 2013-08-02 2016-09-29 Audi Ag Method for providing a function in a computer system of a vehicle
US20180279201A1 (en) * 2017-03-21 2018-09-27 Ford Global Technologies, Llc Method and apparatus for efficient vehicle data reporting
FR3059193A1 (fr) * 2017-03-31 2018-05-25 Continental Automotive France Procede de mise en œuvre d'un service embarque dans un vehicule au moyen de ressources presentes sur un serveur distant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11647164B2 (en) 2021-06-25 2023-05-09 Nio Technology (Anhui) Co., Ltd. Methods and systems for camera sharing between autonomous driving and in-vehicle infotainment electronic control units
CN113671285A (zh) * 2021-07-29 2021-11-19 江铃汽车股份有限公司 车载娱乐系统的电磁兼容测试系统
CN115441963A (zh) * 2022-08-31 2022-12-06 重庆长安汽车股份有限公司 车载娱乐设备测试方法、系统、电子设备及可读存储介质

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