COOPERATIVE INTELLIGENT TRANSPORT SYSTEM AND METHOD WITH CPM FREESPACE CLASSIFICATION AND FREESPACE SIGNIFICANCE INDEX

    公开(公告)号:EP4236394A1

    公开(公告)日:2023-08-30

    申请号:EP22158893.2

    申请日:2022-02-25

    申请人: DENSO CORPORATION

    IPC分类号: H04W4/40

    摘要: A method, a cooperative intelligent transport system and a computer-implemented system for encoding and decoding, transmitting, receiving and decoding, as part of a V2X message, classification for freespace in a cooperative intelligent transport system (C-ITS) using a wireless communication channel for transmitting, receiving, processing and/or discarding a plurality of collective perception messages (CPMs) containing information about one or more on-board sensors, one or more objects detected by said on-board sensors and/or one or more detected freespaces within a traffic environment, include means and steps, respectively, for determining classification information of a detected freespace, said classification information being configured to indicate to a receiver of a CPM a type of said detected freespace, determining and adding a freespace significance index (FSI) within a CPM based on said classification information of said detected freespace, accuracy and time of freespace detection, and/or a driving situation within said traffic environment, said significance index of freespace (FSI) being configured to indicate a level of significance of sharing information about a certain freespace when generating a CPM, and prioritizing freespace information within a CPM and/or prioritizing the inclusion of freespace information into a CPM in accordance with the determined FSI.

    COOPERATIVE INTELLIGENT TRANSPORT SYSTEM AND METHOD WITH CPM SIGNIFICANCE INDEX FOR REDUNDANCY MITIGATION

    公开(公告)号:EP4167611A1

    公开(公告)日:2023-04-19

    申请号:EP21202059.8

    申请日:2021-10-12

    申请人: DENSO CORPORATION

    摘要: In a method for exchanging information in a cooperative intelligent transport system between stations in said cooperative intelligent transport system (C-ITS) using a wireless communication channel, said exchanging of information comprising transmitting, receiving, processing and/or discarding a collective perception message (CPM) containing information about on-board sensors and/or objects detected by said on-board sensors within a traffic environment, a plurality of objects present within a field of view (FOV) of at least one sensor provided at a respective station or included in a shared message received from another station as being present in the vicinity of the station is detected, object data of each detected object from said at least one sensor and/or said shared message are obtained, , a collective perception message (CPM) is filled with the object data of the objects in accordance with their calculated object significance index, a collective perception message significance index (CPM-SI) is calculated for each collective perception message (CPM) filled with object data of the objects, available channel resources of said wireless communication channel are determined, and collective perception messages (CPMs) are transmitted and/or received in accordance with the available channel resources starting with a CPM with the highest collective perception message significance index (CPM-SI).

    COOPERATIVE INTELLIGENT TRANSPORT SYSTEM AND METHOD WITH CPM INFORMATION SIGNIFICANCE LEVEL

    公开(公告)号:EP4167607A1

    公开(公告)日:2023-04-19

    申请号:EP21202063.0

    申请日:2021-10-12

    申请人: DENSO CORPORATION

    摘要: A method for calculating a collective perception message (CPM) information significance level (ISL) in a cooperative intelligent transport system (C-ITS) uses a wireless communication channel for transmitting, receiving, processing and/or discarding a plurality of collective perception messages (CPMs) containing information about on-board sensors and/or objects detected by said on-board sensors within a traffic environment. The method comprising the steps of calculating a collective perception message significance index (CSI) value for each CPM filled with objects detected within a field of view (FOV) of at least one sensor provided at an intelligent transport system station (ITS-S) or included in a shared message received from another ITS-S as being present in the communication range of the ITS-S, calculating the information significance level (ISL) on the channel based on the CSI values for all received CPMs, and sharing the calculated ISL with other ITS-Ss.

    COOPERATIVE INTELLIGENT TRANSPORT SYSTEM AND METHOD WITH CPM GENERATION CONTROL BASED ON SIGNIFICANCE INDEX AND INFORMATION SIGNIFICANCE LEVEL

    公开(公告)号:EP4167209A1

    公开(公告)日:2023-04-19

    申请号:EP21202064.8

    申请日:2021-10-12

    申请人: DENSO CORPORATION

    摘要: A method, a cooperative intelligent transport system and a computer-implemented system for generating a V2X message based on the significance of information on a communication channel in a cooperative intelligent transport system (C-ITS) using a wireless communication channel for transmitting, receiving, processing and/or discarding a plurality of collective perception messages (CPMs) containing information about on-board sensors and/or objects detected by said on-board sensors within a traffic environment comprise determining a significance index of an object (OSI) and/or a significance index of an entire collective perception message (CSI) based on the individual objects within a CPM, calculating an information significance level (ISL) on the channel based on the CSI values for all received CPMs, determining at least one message generation rule based on the information significance level (ISL), and generating the V2X message based on said at least one message generation rule.

    V2X COMMUNICATION APPARATUS AND ITS DCC OPERATION METHOD

    公开(公告)号:EP4106361A1

    公开(公告)日:2022-12-21

    申请号:EP21180446.3

    申请日:2021-06-18

    申请人: DENSO CORPORATION

    IPC分类号: H04W4/44 H04W28/02

    摘要: A V2X communication apparatus for transmitting a V2X message over a wireless network is provided. The apparatus performs decentralized congestion control (DCC). The apparatus comprises a communication unit for transmitting and receiving V2X messages, a checking unit for checking the current congestion state of the wireless network per channel, a management layer entity for controlling the communication unit (and the layers within as described below) and the checking unit that is generating a first message generation ruleset based on at least the checked current congestion state. The apparatus also comprises a message generation unit for generating V2X messages to be transmitted by the communication unit, in accordance with the generated first message generation ruleset.
    The management layer entity is configured to obtain the network status of the wireless network that is predicted for a point or period of time in the future, obtain, based on the obtained network status, a requirements profile of each of the one or more applications, and for the one or more services for the point or period of time in the future, and generate a second message generation ruleset based on the obtained one or more requirements profiles in addition to the checked current congestion state.
    All message generation units are configured to generate V2X messages to be transmitted by the communication unit, in accordance with the generated second message generation ruleset.

    CPM APR BASED SECURITY FOR ITS
    7.
    发明公开

    公开(公告)号:EP4322566A1

    公开(公告)日:2024-02-14

    申请号:EP22189500.6

    申请日:2022-08-09

    申请人: DENSO CORPORATION

    摘要: A method for exchanging of information in an intelligent transport system between a plurality of intelligent transport system stations (ITS-Ss) in said intelligent transport system (ITS) uses a wireless communication channel. The exchanging of information comprises composing, transmitting, receiving and/or decoding at least part of ITS messages at and/or between said plurality of ITS-Ss, wherein each of said plurality of intelligent transport system stations (ITS-Ss) comprises at least one sensor arranged to perceive, for example in the form of objects and/or free-space, in at least one geographical area within said traffic environment, is arranged to act both as a sender ITS-S and a receiver ITS-S, and is arranged to use, as said ITS messages, collective perception messages (CPMs) containing at least information about the perception within a traffic environment. An ITS communications security architecture including at least one security layer as a horizontal security management entity in the ITS communication stack is configured to provide security services to ITS station communications. The method comprises the steps of obtaining an information and misbehavior verification related requirement from the at least one security layer; composing an area perception request (APR) based thereon; sending the composed APR; requesting perception information from another ITS-S capable of perceiving with respect to the requirement; receiving the requested perception information from said another ITS-S; and verifying information sent by other ITS-Ss or verifying misbehavior based on the received perception information.

    METHOD AND DEVICE FOR CHANGING THE TRANSMISSION OF AN ITS MESSAGE

    公开(公告)号:EP4300852A1

    公开(公告)日:2024-01-03

    申请号:EP22181277.9

    申请日:2022-06-27

    申请人: DENSO CORPORATION

    IPC分类号: H04H20/55 H04W4/40 G08G1/09

    摘要: The present invention relates to a method and a device for temporarily changing the traffic profile of an ITS message, wherein the traffic profile contains at least one of traffic class, traffic priority, transmission power and repetition rate, wherein the method comprises the steps of detecting an upcoming situation in which a traffic profile with higher priority is more beneficial than the current traffic profile, determining the relevant ITS messages and the required traffic profile based on the detected upcoming situation, and informing the relevant ITS layers about the determined required traffic profile for the ITS message.

    COOPERATIVE INTELLIGENT TRANSPORT SYSTEM AND METHOD WITH CPM AREA PERCEPTION REQUEST

    公开(公告)号:EP4167606A1

    公开(公告)日:2023-04-19

    申请号:EP21202062.2

    申请日:2021-10-12

    申请人: DENSO CORPORATION

    摘要: A method for exchanging of information in an intelligent transport system between a plurality of intelligent transport system stations (ITS-Ss) in said intelligent transport system (ITS) uses a wireless communication channel. The exchanging of information comprises composing, transmitting, receiving and/or decoding at least part of ITS messages at and/or between said plurality of ITS-Ss, wherein each of said plurality of intelligent transport system stations (ITS-Ss) comprises at least one sensor arranged to perceive, for example in the form of objects and/or free-space, in at least one geographical area within said traffic environment, is arranged to act both as a sender ITS-S and a receiver ITS-S, and is arranged to use, as said ITS messages, collective perception messages (CPMs) containing at least information about the perception within a traffic environment. The method comprises the steps of sending, from an ITS-S acting as a sender ITS-S, an area perception request (APR) corresponding to a geographical area of interest, and requesting perception information from another ITS-S capable of perceiving in said geographical area; and receiving, from said another ITS-S, the requested perception information in a subsequent CPM of said another ITS-S. An intelligent transport system and a computer-implemented system corresponding to this method are also provided.