WO2017171467A1 - Procédé et appareil de transmission de message v2x - Google Patents

Procédé et appareil de transmission de message v2x Download PDF

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Publication number
WO2017171467A1
WO2017171467A1 PCT/KR2017/003549 KR2017003549W WO2017171467A1 WO 2017171467 A1 WO2017171467 A1 WO 2017171467A1 KR 2017003549 W KR2017003549 W KR 2017003549W WO 2017171467 A1 WO2017171467 A1 WO 2017171467A1
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WIPO (PCT)
Prior art keywords
message
service area
base station
server
mce
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PCT/KR2017/003549
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English (en)
Inventor
Hong Wang
Lixiang Xu
Xiaowan KE
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Samsung Electronics Co., Ltd.
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Publication of WO2017171467A1 publication Critical patent/WO2017171467A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • 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
    • H04W4/025—Services making use of location information using location based information parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • 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
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08—User group management
    • 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
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/005—Moving wireless networks

Definitions

  • the present disclosure relates to wireless communication technologies, and more particularly, to a Vehicle to Everything (V2X) message transmitting method and apparatus.
  • V2X Vehicle to Everything
  • the 5G or pre-5G communication system is also called a 'Beyond 4G Network' or a 'Post LTE System'.
  • the 5G communication system is considered to be implemented in higher frequency (mmWave) bands, e.g., 60GHz bands, so as to accomplish higher data rates.
  • mmWave e.g., 60GHz bands
  • MIMO massive multiple-input multiple-output
  • FD-MIMO Full Dimensional MIMO
  • array antenna an analog beam forming, large scale antenna techniques are discussed in 5G communication systems.
  • RANs Cloud Radio Access Networks
  • D2D device-to-device
  • wireless backhaul moving network
  • cooperative communication Coordinated Multi-Points (CoMP), reception-end interference cancellation and the like.
  • CoMP Coordinated Multi-Points
  • Hybrid FSK and QAM Modulation FQAM
  • SWSC sliding window superposition coding
  • ACM advanced coding modulation
  • FBMC filter bank multi carrier
  • NOMA non-orthogonal multiple access
  • SCMA sparse code multiple access
  • FIG. 1 is a schematic diagram illustrating system architecture of a System Architecture Evolution (SAE).
  • SAE System Architecture Evolution
  • a user equipment (UE) 101 is a terminal device used for data reception.
  • Evolved Universal Terrestrial Radio Access Network (E-UTRAN) 102 is a wireless transmission network, which includes a macro base station (eNodeB/NodeB) providing a wireless network interface.
  • a Mobility Management Entity (MME) 103 is responsible for managing a mobility context, a session context, security information of the UE.
  • a Serving Gateway (SGW) 104 mainly provides user plane functions. The MME 103 and the SGW 104 may locate in a same physical entity.
  • a PDN gateway (PGW) 105 is mainly responsible for functions, e.g., billing and lawful interception, may also be located in a same physical entity with the SGW 104.
  • a Policy and Charging Rules Function (PCRF) 106 provides QoS strategies and billing rules.
  • a Serving GPRS Support Node (SGSN) 108 is a network node equipment for providing routing for data transmission in Universal Mobile Telecommunications System (UNTS).
  • a Home Subscriber Server (HSS) 109 is a home belonging sub-system of the UE, and is responsible for protecting user information including such as a current location of the user equipment, an address of a server node, user security information, and packet data context of the user equipment.
  • V2X i.e., communication from Vehicle to Everything, which is a key technology of a further intelligent traffic system. Damage caused by traffic accidents can be effectively reduced by the V2X technology.
  • the V2X includes Vehicle-to-Vehicle (V2V) communication, Vehicle-to-Infrastructure (V2I) communication and Vehicle-to-Pedestrian (V2P) communication.
  • V2V Vehicle-to-Vehicle
  • V2I Vehicle-to-Infrastructure
  • V2P Vehicle-to-Pedestrian
  • the three V2X communication mechanisms can provide intelligent traffic for drivers through mutual perception.
  • the transmission devices e.g., vehicles, infrastructures, and pedestrians, can collect information about environment around them by using information transmitted from other vehicles or sensors, and provide more intelligent traffics by sharing the information, e.g., collision warnings or automatic driving.
  • the intelligent traffics can be divided into three categories as follows.
  • a first category is related with road security, which includes that: 1) vehicles can remind another vehicle in time when the vehicles find damages come, e.g., there are obstacles at front; 2) the vehicles can tell another vehicle their directions, so as to help the driver of another vehicle make abstract determination; 3) the vehicles can remind another vehicle when they are close to crosses; 4) the vehicles can prompt another vehicle when they get off highways; 5) warnings for temporary/sudden stop; 6) warning when the vehicles change routes; 7) damage reports; 8) vehicle drivers warns pedestrians/bicycle riders.
  • a second category is related to traffic efficiency, which includes assisting traffic dredging, using effective actions for congestion in real time.
  • Management department can flexibly implement traffic rules according to detail conditions, e.g., adjustable speed limitation, variable traffic light periods and light flashing orders, automatic traffic control at crosses, roads for ambulances/fire trucks/police cars.
  • a third category is other application, e.g., intelligent traffic can provide automatic parking, navigation status, road sign recognition, etc.
  • intelligent traffic can provide automatic parking, navigation status, road sign recognition, etc.
  • law enforcement departments e.g., polices
  • the V2X can help implementation of monitoring, speeding reminder, restricted area management, stop order etc.
  • V2X can make collection of toll fee/parking fee more convenient by an electronic payment way, so as to relief traffic congestion in a certain extent, and reduce low speed rear-end collision always occurring around toll stations.
  • a UE in E-UTRAN, a UE (in this present disclosure, for V2V traffic, a vehicle is considered as a UE hereinafter) can interact the related information with neighbor UEs, the interaction of V2V related information needs to satisfy authentication and proximity principle in E-UTRAN.
  • the proximity principle is configured by operators, V2V related information can still be interacted when the UE is not within a E-UTRAN service area.
  • the UEs supporting the V2V application transmits application information, e.g., information such as its location, attribute.
  • a length of the V2V application message is variable in order to apply to different information content, the operator can configure to periodically transmit the V2V message.
  • a V2V message is mainly the broadcast message.
  • the V2V message can be directly transmitted to a neighbor UE, or can be transmitted to another UE through Road Side Unit (RSU).
  • RSU Road Side Unit
  • a UE supporting the V2I application transmits application information to a RSU, the RSU transmits the application information to one or a group of UEs supporting the V2I application.
  • a UE supporting the V2P application in this present disclosure, for V2I traffic, a vehicle is considered as a UE hereinafter
  • V2P related information needs to satisfy authentication and proximity principle in E-UTRAN.
  • the proximity principle is configured by operators, and the V2P related information can also be interacted when the UE is not within an E-UTRAN service area.
  • a V2P message may be directly transmitted to a neighbor UE, or may be transmitted to another UE through Road Side Unit (RSU).
  • RSU Road Side Unit
  • V2X communication may be through an application specification PC5 or a Uu interface.
  • Each use case has a different requirement.
  • Some use cases require that the V2X application layer can receive the V2X message in time, the V2X application generates a new downlink V2X message, and the downlink message can be received by all users in a certain range.
  • Some uses cases only require that users in a base station can receive the downlink V2X message.
  • the V2X transmission range is related with a detail location. For example, when a car crash event occurs on a road, the UE equipping a V2X function transmits the car crash event to the V2X server, the V2X server determines that the car crash event is transmitted to all cars on the road.
  • the location where the V2X event occurs needs to be considered for the downlink V2X transmission.
  • the car crash event may be reported by different vehicles, and the V2X server needs to be able to distinguish whether these reports is a same event, or different events. According to current technologies, it is not solved how the V2X server determines the V2X broadcast content and how broadcast is performed according to the location where the V2X event is transmitted.
  • the present disclosure provides a method and apparatus for transmitting a V2X message according to a location of a UE.
  • a Multimedia Broadcast/Multicast Service (MBMS) Coordination Entity (MCE) obtains location information of the UE and a type of a V2X message;
  • the MCE determines a service area for broadcast
  • the MCE notifies the range for the broadcast to a related base station within the service area for the broadcast;
  • the V2X message is broadcasted in the related base station.
  • the UE is a UE which transmits the V2X message.
  • the UE detects a V2X event, and transmits the V2X message to a server.
  • the server determines to transmit another downlink V2X message to another UE around the UE, the downlink V2X message may include same information with the uplink V2X message, or may be another V2X message generated by the V2X server.
  • the present disclosure provides a method for transmitting a V2X message according to a location of a UE, which includes:
  • V2X server which includes:
  • a receiving module to receive a V2X message transmitted by the UE
  • a service area determining module to determine a MBMS service area corresponding to eMBMS received by the receiving module
  • a transmitting module to establish an Enhanced Multimedia Broadcast/Multicast Service (eMBMS) bearer among a core network, the V2X server and a base station within the service area, and transmit the V2X message to the base station within the service area through the bearer.
  • eMBMS Enhanced Multimedia Broadcast/Multicast Service
  • the present disclosure provides a MCE, which includes:
  • a receiving module to receive eMBMS control information transmitted by a core network
  • a service area determining module to determine a MBMS service area for eMBMS received by the receiving module
  • a transmitting module to establish an eMBMS bearer with a base station, transmit the V2X message to the base station within the MBMS service area.
  • V2X traffic data can be transmitted to users in a specific area, so as to reduce occurrences of traffic accidents, improve traffic efficiency, and reduce burden of air interface message transmission.
  • FIG. 1 is a schematic diagram illustrating a current SAE system architecture
  • FIG. 2 is a schematic diagram illustrating architecture according to the present disclosure
  • FIG. 3 is a schematic diagram according to a first embodiment of the present disclosure
  • FIG. 4 is a schematic diagram according to a second embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram according to a third embodiment of the present disclosure.
  • FIG. 6 is a schematic diagram illustrating an apparatus according to the present disclosure.
  • FIG. 2 is a schematic diagram illustrating architecture according to the present disclosure.
  • V2X communication usually includes uplink transmission and downlink transmission.
  • the uplink transmission means that a UE transmits a V2X message to a V2X application layer
  • the downlink transmission means that the V2X application layer transmits the V2X message to the UE.
  • the UE transmits the V2X message to a V2X server 201 via a base station.
  • a broadcast/multicast mechanism is used, the V2X server 201 generates the V2X message, transmits the V2X message to a broadcast module 202, the broadcast module 202 transmits the V2X message to the base station, and then the base station transmits the V2X message to the UE. If the V2X message needs to be broadcasted within multiple base stations, the broadcast module transmits the V2X message to the multiple base stations.
  • FIG. 3 illustrates a first embodiment according to the present disclosure.
  • a V2X server determines a broadcast area according to a report from a UE.
  • the UE is a device which reports the V2X message to the V2X server.
  • the V2X server determines to generate a downlink V2X message according to the V2X message reported by the UE or according to the V2X message reported by the UE in combination with a report from another UE and information stored in the server, and transmits the V2X message to another UE configured with a V2X function around the UE.
  • a UE transmits a message to a V2X server.
  • the message is an application layer message, and is usually transmitted to the V2X server via a user plane.
  • the UE may report one or more kinds of information as follows:
  • V2X messages there are various V2X messages, which apply to different scenarios, a V2X messages is identified through a type or a name of the message;
  • the location information of the UE may include one or more pieces of information as follows:
  • the location information is set to an unique identifier of a serving cell, E-UTRAN Cell Global Identifier (ECGI);
  • E-UTRAN Cell Global Identifier ECGI
  • the location information is set to GPS location information, if the UE is configured with GPS, the GPS information may be reported to the V2X server;
  • the location information is set to a Serving Area Identifier (SAI) of a serving area to which the serving cell of the UE belongs; the UE obtains the SAI of the serving area to which the cell belongs from a broadcast message of the cell.
  • SAI Serving Area Identifier
  • the message may further include:
  • a cell identifier list may help the V2X server to determine a broadcast range of a V2X message
  • the time is a time when the V2X event occurs.
  • the V2X server may determine whether events reported by different UEs are same or different from each other. For example, if the location information reported by the UE is the ECGI the range indicated by which is large and two UEs in a same cell report a same V2X message, an application server differently determines whether V2X events are a same event, or different events. According to event occurrence times, the V2X server may make abstract determination, and notifies a V2X event to a corresponding UE in a downlink message.
  • the V2X server transmits a traffic start message to a BMSC.
  • the V2X server receives the report from the UE, determines whether to transmit an event corresponding to a V2X message to another UE according to the UE report. According to a determination method, the information reported by the UE and some pieces of pre-stored information are considered.
  • a type of the V2X traffic belongs to a location broadcast based traffic type.
  • the V2X server determines a broadcast range according to pre-stored information and the identifier of the serving cell reported by the UE. For example, the V2X server pre-stores a topological relationship among cells, knows which cells are deployed among a cell, searches out neighbor cells of the serving cell according to the serving cell reported by the UE, and determines that the V2X message is broadcasted in the serving cell and a group of the neighbor cells.
  • the V2X server transmits the traffic start message to the BMSC, where the message carries a cell identifier list. The cell list indicates that the traffic is broadcasted in corresponding cells.
  • the type of the V2X traffic belongs to the location broadcast based traffic type.
  • the V2X server determines the broadcast range according to the pre-stored information and the GPS location information. For example, the V2X server pre-stores the GPS location information, searches out messages of the cell at the location and the neighbor cells according to the transmission location where the UE reports the event, and determines that the V2X message is broadcasted in the serving cell and a group of the neighbor cells.
  • the V2X server transmits the traffic start message to the BMSC, where the message carries the cell identifier list.
  • the cell list indicates that the traffic is broadcasted in corresponding cells.
  • the V2X server determines the broadcast range is the entire SAI or V2X serving range.
  • the V2X server transmits the traffic start message to the BMSC, where the message carries the identifier of the SAI or the identifier of the V2X serving range.
  • the identifier of the SAI indicates that the traffic is broadcasted in cells corresponding to the SAI (or the identifier of the V2X serving range). Each cell is allocated with a SAI (or the identifier of the V2X serving range), and a group of corresponding cells may be search out according to the identifier of the SAI (or the identifier of the V2X serving range).
  • the V2X server may determine in which cell the V2X message is broadcasted. Since the neighbor cell information is reported by the UE, the information pre-stored by the V2X server may be reduced. For example, the V2X server does not need to know deployment topology of the cell, and does not need to store the GPS location information of each cell.
  • the V2X server may uniquely determine the V2X event. For example, two car crash events occur on a road, a distance between the two car crash events is near within a same cell, but the occurrence times are different from each other. If the occurrence times are not reported by UEs and the multiple UEs reports that the car crash events occurs within the cell, the V2X server determines that a car crash event occurs. If the UEs report the occurrence times of the events, the V2X server may determine that the UEs reports two events according to the different times.
  • the traffic start message transmitted by the V2X server includes information as follows:
  • V2X message a type of the V2X message or an indication message broadcasted by the V2X server according to the location; there are multiple categories of V2X messages, and the type of the V2X message is used to identify a category of the V2X message;
  • the TMGI is an unique identifier used to identify the an eMBMS traffic or an eMBMS bearer
  • a V2X service area i.e., a broadcast range of the eMBMS.
  • the broadcast range may be set to one or more pieces of information as follows:
  • the service area may be set to a list of a group of cell identifiers, i.e., a EGCI list;
  • the service area may be set to a list of a group of serving range identifiers, i.e., a SAI list.
  • the BMSC transmits the traffic start message to a core network, wherein the traffic start message includes a traffic identifier TMGI, a broadcast range of the traffic, a traffic quality requirement.
  • the core network transmits a traffic start response message to the BMSC.
  • the core network may include a gateway and a mobility management entity (MME). And the BMSC firstly transmits the message to the gateway, and then the gateway transmits the traffic start message to the MME.
  • MME mobility management entity
  • the core network transmits the traffic start message to a MCE, wherein the traffic start message includes a traffic identifier TMGI, a service area, and a traffic quality requirement.
  • the MCE determines whether the MBSFN mode or a single cell point-to-multipoint is used for broadcast, and then transmits the traffic start message to the base station. If the MBMS bearer may be established with at least one base station, the MCE transmits the traffic start response to the MME.
  • the MCE transmits the traffic start message to the base station.
  • the traffic start message at least includes a traffic identifier TMGI, a service area and a traffic quality requirement.
  • the base station transmits the traffic start message to the UE.
  • FIG. 4 illustrates a second embodiment according to the present disclosure.
  • a MCE determines a broadcast area according to location information of a V2X message.
  • the UE reports the location information to the V2X server.
  • the V2X server determines to generate a downlink V2X message according to the V2X message reported by the UE or according to the V2X message reported by the UE in combination with a report from another UE and information stored in the server, and transmits the V2X message to another UE configured with a V2X function around the UE.
  • the UE transmits a message to a V2X server.
  • the message is an application layer message.
  • the UE may report one or more kinds of information as follows:
  • the location information of the UE may include one or more pieces of information as follows:
  • the location information of the UE is set to an unique identifier of a serving cell, ECGI;
  • the location information of the UE is set to GPS location information, if the UE is configured with GPS, the GPS information may be reported to the V2X server;
  • the location information of the UE is set to a Serving Area Identifier of a serving area to which the serving cell of the UE belongs, e.g., SAI.
  • the message may further include information as follows.
  • a cell identifier list may help the V2X server to determine a broadcast range of a V2X message
  • the V2X server may determine whether events reported by different UEs are same or different from each other.
  • the V2X server transmits a traffic start message to a BMSC.
  • the V2X server receives the report from the UE, determines whether to transmit an event corresponding to a V2X message to another UE according to the UE report. According to a determination method, the information reported by the UE and some pieces of pre-stored information are considered.
  • the type of the V2X traffic belongs to the location broadcast based traffic type.
  • the V2X server transmits the traffic start message to the BMSC.
  • the V2X server determines the broadcast range is the entire SAI.
  • the V2X server transmits the traffic start message to the BMSC, where the message carries the identifier of the SAI.
  • the identifier of the SAI indicates that the traffic is broadcasted in cells corresponding to the SAI. Each cell is allocated with a SAI, and a group of corresponding cells may be search out according to the identifier of the SAI.
  • the V2X server may determine in which cell the V2X message is broadcasted. Since the neighbor cell information is reported by the UE, the information pre-stored by the V2X server may be reduced.
  • the V2X server may uniquely determine the V2X event. For example, two car crash events occur on a road, a distance between the two car crash events is near within a same cell, but the occurrence times are different from each other. If the occurrence times are not reported by UEs and the multiple UEs reports that the car crash events occurs within the cell, the V2X server determines that a car crash event occurs. If the UEs report the occurrence times of the events, the V2X server may determine that the UEs reports two events according to the different times.
  • the traffic start message transmitted by the V2X server includes information as follows:
  • a V2X service area i.e., a broadcast range of the eMBMS.
  • the broadcast range may be set to one or more pieces of information as follows:
  • the service area may be set to a list of a group of cell identifiers, i.e., a EGCI list;
  • the service area may be set to a list of a group of serving range identifiers, i.e., a SAI list;
  • the service area is set to the GPS location information.
  • the information indicates the GPS location transmitted by the V2X event.
  • the information further includes range information to indicate in which distance range around the GPS location the V2X information is broadcast, e.g., if a radius is included, the V2X message is broadcasted in a circle indicated by the radius around the GPS location.
  • the BMSC transmits the traffic start message to a core network, wherein the traffic start message includes a traffic identifier TMGI, a broadcast range of the traffic, a traffic quality requirement.
  • the core network transmits a traffic start response message to the BMSC.
  • the core network may include a gateway and a mobility management entity (MME). And the BMSC firstly transmits the message to the gateway, and then the gateway transmits the traffic start message to the MME.
  • MME mobility management entity
  • the traffic start message includes information as follows:
  • a V2X service area i.e., a broadcast range of the eMBMS.
  • the broadcast range may be set to one or more pieces of information as follows:
  • the service area may be set to a list of a group of cell identifiers, i.e., a EGCI list;
  • the service area may be set to a list of a group of serving range identifiers, i.e., a SAI list;
  • the service area is set to the GPS location information.
  • the information indicates the GPS location transmitted by the V2X event.
  • the information further includes range information to indicate in which distance range around the GPS location the V2X information is broadcast, e.g., if a radius is included, the V2X message is broadcasted in a circle indicated by the radius around the GPS location.
  • the core network transmits the traffic start message to the MCE. If a MBMS bearer may be established with at least one base station, the MCE transmits the traffic start response to the MME.
  • the traffic start message includes information as follows:
  • a V2X service area i.e., a broadcast range of the eMBMS.
  • the broadcast range may be set to one or more pieces of information:
  • the service area may be set to a list of a group of cell identifiers, i.e., a EGCI list;
  • the service area may be set to a list of a group of serving range identifiers, i.e., a SAI list;
  • the service area is set to the GPS location information.
  • the information indicates the GPS location transmitted by the V2X event.
  • the information further includes range information to indicate in which distance range around the GPS location the V2X information is broadcast, e.g., if a radius is included, the V2X message is broadcasted in a circle indicated by the radius around the GPS location.
  • the MCE After receiving the message, according to the type of the V2X message, the MCE knows that the V2X message is the location broadcast based type. The MCE determines the broadcast range, e.g., in which messages the V2X message is broadcasted. In order to make determination, the MCE needs to know the GPS location information of the base station, and the information may be obtained according to the process in a third embodiment, or may be pre-configured for the MCE via an operation maintenance point. The MCE receives that the location information in the traffic start message is set to the GPS information, and may determine to which base station the traffic start message is transmitted according to the GPS information of the base station and the range information. The MCE has obtained cell information reported by the base station, according to the location information included in the traffic start message and the information which has been obtained by the MCE, the MCE finally determines a cell list. The list indicates in which cells the V2X message is broadcasted.
  • the MCE determines the broadcast range, e.g., in which messages the V2X
  • the MCE transmits the traffic start message to the base station.
  • the traffic start message transmitted by the MCE includes:
  • TMGI traffic identifier
  • the list indicates in which cells the V2X message is broadcasted.
  • the service area is set to a MBSFN area identifier. If the MCE determines to use the single cell point-to-multipoint way, the service area is set to the cell identifier list.
  • the base station transmits the traffic start message to the UE.
  • the base station transmits a M2 establishment request message to a MCE.
  • the message includes a base station identifier, information of a cell in the base station.
  • the message further includes the location information of the base station, e.g., GPS location information, may further include radius information of the base station. According to the GPS location information and the radius information of the base station, the MCE may definitely determine the location and the size of the base station.
  • the MCE transmits a M2 establishment response message to the base station.
  • the message at least includes a MCE identifier, may further include MBMS broadcast information configured for the base station.
  • V2X server is provided according to a fourth embodiment of the present disclosure. As show in FIG. 6, the V2X server includes:
  • a receiving module to obtain location information of a UE and a type of a V2X message
  • a service area determining module to determine a service area for broadcasting a V2X message
  • a transmitting module to establish an Enhanced Multimedia Broadcast/Multicast Service (eMBMS) bearer among a core network, a V2X server and a base station within the service area, and transmit the V2X message to the base station within the service area through the bearer.
  • eMBMS Enhanced Multimedia Broadcast/Multicast Service
  • a detail processing process for each module in the V2X server refers to other embodiments above.
  • a MCE is provided according to a fifth embodiment of the present disclosure. As show in FIG. 6, the MCE includes:
  • a receiving module to obtain location information of a user equipment (UE) and a type of a V2X message
  • a service area determining module to determine a service area for broadcasting the V2X message
  • a transmitting module to establish an Enhanced Multimedia Broadcast/Multicast Service (eMBMS) bearer among a core network, a V2X server and a base station within the service area, and transmit the V2X message to the base station within the service area through the bearer.
  • eMBMS Enhanced Multimedia Broadcast/Multicast Service
  • a detail processing process for each module in the MCE refers to other embodiments above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un système de communication de pré-5e génération (5G) ou 5G prenant en charge des débits de données dépassant ceux d'un système de communication de 4e génération (4G), tel qu'un système d'évolution à long terme (LTE). La présente invention concerne un procédé et un appareil de transmission de message V2X, qui consistent à obtenir, par une MCE, des informations d'emplacement d'un équipement utilisateur (UE) et un type d'un message V2X, déterminer, par la MCE, une zone de service pour diffuser le message V2X ; transmettre, par la MCE, la zone de service à une station de base à l'intérieur de la zone de service, de sorte que la station de base transmette le message V2X. Selon la présente invention, il est possible de prendre en charge la transmission du message V2X selon l'emplacement de l'UE, ce qui réduit la charge de transmission de l'interface radio.
PCT/KR2017/003549 2016-04-01 2017-03-31 Procédé et appareil de transmission de message v2x WO2017171467A1 (fr)

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CN113395298B (zh) * 2020-03-11 2023-07-04 沃尔沃汽车公司 用于车载通讯的信息集和信息传递方法

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