WO2017113207A1 - Procédé de transmission de message de service, premier terminal et dispositif côté réseau - Google Patents

Procédé de transmission de message de service, premier terminal et dispositif côté réseau Download PDF

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Publication number
WO2017113207A1
WO2017113207A1 PCT/CN2015/099921 CN2015099921W WO2017113207A1 WO 2017113207 A1 WO2017113207 A1 WO 2017113207A1 CN 2015099921 W CN2015099921 W CN 2015099921W WO 2017113207 A1 WO2017113207 A1 WO 2017113207A1
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Prior art keywords
service
service message
radio bearer
message
specific radio
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PCT/CN2015/099921
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English (en)
Chinese (zh)
Inventor
肖潇
华尧
李明超
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华为技术有限公司
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Priority to PCT/CN2015/099921 priority Critical patent/WO2017113207A1/fr
Publication of WO2017113207A1 publication Critical patent/WO2017113207A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a service message transmission method, a first terminal, and a network side device.
  • V2X communication refers to direct data transmission between a vehicle to a vehicle (V2V), a vehicle to a communication infrastructure (V2I), or a vehicle to a pedestrian to a vehicle (V2P) via wireless communication technology. Transfer and information interaction. V2X communication provides and supports applications and messaging related to road traffic safety aspects.
  • the European Telecommunications Standards Institute (ETSI) and the Society of Automotive Engineers (SAE) have defined the V2X service message content and V2X service message format transmitted in V2X communication, V2X.
  • the business message mainly includes some information related to the driving dynamics of the vehicle, such as the speed of the vehicle, the direction of travel, the latitude and longitude (the location), the acceleration (acceleration and deceleration), etc., as well as information about the surrounding road environment, such as accidents, road construction, traffic facilities failures. Wait.
  • Vehicles and vehicles, vehicles and infrastructure, and V2X business message interactions between vehicles and handheld terminals help drivers or pedestrians to make judgments about surrounding traffic conditions and possible dangerous situations, so as to make corresponding preventive measures. It is possible to avoid accidents.
  • the V2X service message is a non-IP service data.
  • the V2X service message can be divided into different message types according to the V2X communication application scenario.
  • the V2X service messages of different message types have different Quality of Service (QoS) requirements.
  • QoS Quality of Service
  • the QoS requirement of the V2X service message refers to the value that the V2X service message needs to reach on the QoS parameter.
  • the V2X service message corresponds to different QoS levels, that is, the V2X service message with the same QoS requirement is divided into one class.
  • the same type of V2X service message corresponds to a QoS, etc.
  • the QoS class can also be used to indicate the QoS class corresponding to the V2X service message by using a QoS Class Identifier (QCI).
  • QCI QoS Class Identifier
  • the QoS parameters of the V2X service message include a priority, a packet delay budget (PDB), a packet error rate (PELR), a transmission distance (Range), and a transmission frequency ( Frequency) and so on.
  • the standard has not defined how to map V2X service messages to radio bearers, thereby implementing V2X service message transmission while ensuring QoS requirements of V2X service messages.
  • a service message transmission method, a first terminal, and a network side device are provided to implement V2X service message transmission.
  • a method for transmitting a service message includes:
  • the first terminal is configured with a service-specific radio bearer for service message transmission, and the service message includes one or a combination of: a vehicle and vehicle V2V service message, a vehicle and communication infrastructure V2I service message, and a vehicle and pedestrian hand-held terminal V2P service message. ;
  • the first terminal maps the service message to the service-specific radio bearer corresponding thereto;
  • the first terminal sends the service message through a PC5 interface.
  • the service-specific radio bearer satisfies a quality of service QoS requirement of the service message corresponding thereto.
  • the first terminal is configured to be a service-specific radio bearer for service message transmission, including:
  • the first terminal configures a service-specific radio bearer for service message transmission according to the quality of service QoS requirement of the service message.
  • the first terminal is configured to perform service-specific wireless for service message transmission.
  • Hosting including:
  • the first terminal receives a service-specific radio bearer configured by the network side device for service message transmission.
  • the first terminal receives a service-specific radio bearer configured by the network side device for service message transmission, including :
  • the first terminal receives a mapping template sent by the network side device, where the mapping template includes a service-specific radio bearer for service message transmission.
  • the method further includes:
  • the service request message is used to request a service-specific radio bearer for service message transmission, and the service request message is one or a combination of the following: a message type, a priority, a delay, a priority bit rate, and a guarantee of the service message.
  • Bit rate GBR Bit rate
  • the service-specific radio bearer includes the service message and the The mapping relationship of the service-specific radio bearers.
  • the first terminal, the first terminal, the service message is mapped to the service-specific radio bearer corresponding thereto, including :
  • the first terminal maps the service message to the service-specific radio bearer corresponding to the service, according to the inter-layer primitive of the service message and the mapping relationship between the service message and the service-specific radio bearer, the service message
  • the inter-layer primitives include the priority of the service message and/or the message type of the service message.
  • Configuration information including one or a combination of the following:
  • the method further includes:
  • the first terminal processes the service message by using the PDCP entity and the RLC entity, and mapping the processed service message to the logical channel;
  • the first terminal generates a media access control MAC protocol data unit PDU including the service message and the logical channel identifier;
  • the first terminal sends a MAC PDU including the service message and the logical channel identifier through a PC5 interface.
  • the MAC PDU further includes a service identifier, where the service identifier is used to indicate that the MAC PDU includes a service message. .
  • the service identifier is a logical channel identifier of the service message or a destination layer 2 identifier.
  • the first terminal generates a MAC PDU including the service message and the logical channel identifier, including :
  • the first terminal generates a MAC service data unit SDU including the service message
  • the first terminal encapsulates the MAC SDU in a MAC, where the MAC PDU includes at least one MAC SDU, and the packet header of the MAC PDU includes a service message corresponding to each MAC SDU in the at least one MAC SDU.
  • Logical channel identification is a code that specifies the MAC SDU in the at least one MAC SDU.
  • the method further includes:
  • the first terminal allocates a transmission resource for a logical channel of the service message according to the service-specific wireless configuration information corresponding to the service message.
  • the QoS requirement of the service message includes one or a combination of the following:
  • a second aspect of the present invention provides a service message transmission method, including:
  • the network side device configures a service-specific radio bearer for service message transmission, and the service message is transmitted on a PC5 interface, where the service message includes one or a combination of: a vehicle and a vehicle V2V service message, a vehicle and a communication infrastructure V2I service. Messages, vehicles and pedestrians hand-held terminal V2P service messages;
  • the network side device sends the configured service-specific radio bearer for service message transmission to the first terminal.
  • the service-specific radio bearer satisfies a quality of service QoS requirement of the service message corresponding thereto.
  • the network side device is configured to configure a service-specific radio bearer for service message transmission, including:
  • the network side device configures a service-specific radio bearer for service message transmission according to the quality of service QoS requirement of the service message.
  • the network side device the service corresponding to the service message
  • the dedicated radio bearer is sent to the first terminal, including:
  • the network side device sends a mapping template to the first terminal, where the mapping template includes a service-specific radio bearer for service message transmission.
  • the method further includes:
  • the service request message is used to request a service-specific radio bearer for service message transmission, and the service request message is one or a combination of the following: a message type, a priority, a delay, and a Priority bit rate PBR and guaranteed bit rate GBR.
  • the service-specific radio bearer includes the service message and the The mapping relationship of the service-specific radio bearers.
  • the service-specific radio bearer for service message transmission includes Configuration information, the configuration information including one or a combination of the following:
  • the QoS requirement of the service message includes one or a combination of the following:
  • the network side device includes a base station; or the network The side device includes a base station and a proximity service function entity ProSe Function.
  • a first terminal provided by the embodiment of the present invention includes:
  • a processing unit configured to configure a service-specific radio bearer for service message transmission, where the service message includes one or a combination of: a vehicle and vehicle V2V service message, a vehicle and communication infrastructure V2I service message, and a vehicle and pedestrian hand-held terminal V2P a service message; mapping the service message to the service-specific radio bearer corresponding thereto;
  • a sending unit configured to send, by using the PC5 interface, the service message processed by the processing unit.
  • the service-specific radio bearer satisfies a quality of service QoS requirement of the service message corresponding thereto.
  • the processing unit is configured to be dedicated to service for service message transmission.
  • the line is carried, it is specifically used to:
  • a service-specific radio bearer for service message transmission is configured according to the quality of service QoS requirement of the service message.
  • the first terminal further includes:
  • a receiving unit configured to receive a service-specific radio bearer configured for network information transmission by the network side device
  • the processing unit is specifically configured to: when configuring a service-specific radio bearer for service message transmission:
  • the service-specific radio bearer for the service message transmission received by the receiving unit from the network side device is configured as a service-specific radio bearer for service message transmission.
  • the receiving unit when receiving the service-specific radio bearer configured for the service message transmission by the network side device, Specifically used for:
  • mapping template sent by the network side device, where the mapping template includes a service-specific radio bearer for service message transmission.
  • the sending unit is further configured to:
  • the service request message is used to request a service-specific radio bearer for service message transmission, and the service request message is one or a combination of the following: a message type, a priority, a delay, a priority bit rate, and a guarantee of the service message.
  • Bit rate GBR Bit rate
  • the service-specific radio bearer includes the service message and the The mapping relationship of the service-specific radio bearers.
  • the processing unit is configured to map the service message to the service-specific corresponding thereto When charging wirelessly, it is specifically used to:
  • mapping the service message to the service-specific radio bearer corresponding to the service-specific radio bearer according to the mapping between the inter-layer primitive of the service message and the service-specific radio bearer, and the inter-layer primitive of the service message A priority of the service message and/or a message type of the service message is included.
  • the service specific radio bearer corresponding to the service message includes Configuration information, the configuration information including one or a combination of the following:
  • the sending unit When the sending unit sends the service message processed by the processing unit through the PC5 interface, the sending unit is specifically configured to:
  • the MAC PDU further includes a service identifier, where the service identifier is used to indicate that the MAC PDU includes a service message. .
  • the service identifier is a logical channel identifier of the service message or a destination layer 2 identifier.
  • the processing unit when the processing unit generates a MAC PDU that includes the service message and the logical channel identifier, the processing unit is specifically configured to:
  • the MAC SDU is encapsulated in a MAC, where the MAC PDU includes at least one MAC SDU, and the header of the MAC PDU includes a logical channel identifier corresponding to a service message included in each MAC SDU of the at least one MAC SDU.
  • the processing unit is further configured to:
  • the QoS requirement of the service message includes one or a combination of the following:
  • a network side device provided by the embodiment of the present invention includes:
  • a processing unit configured to configure a service-specific radio bearer for service message transmission, where the service message is transmitted on a PC5 interface, where the service message includes one or a combination of: vehicle and vehicle V2V service message, vehicle and communication infrastructure V2I service messages, V2P service messages of vehicles and pedestrians;
  • a sending unit configured to send, by the processing unit, the service-specific radio bearer for service message transmission to the first terminal.
  • the service-specific radio bearer satisfies a quality of service QoS requirement of the service message corresponding thereto.
  • the processing unit is configured to:
  • a service-specific radio bearer for service message transmission is configured according to the quality of service QoS requirement of the service message.
  • the sending unit is specifically configured to:
  • mapping template includes a service-specific radio bearer for service message transmission.
  • the network side device further includes:
  • a receiving unit configured to receive a service request message sent by the first terminal
  • the service request message is used to request a service-specific radio bearer for service message transmission, and the service request message is one or a combination of the following: a message type, a priority, a delay, a priority bit rate, and a guarantee of the service message.
  • Bit rate GBR Bit rate
  • the service-specific radio bearer includes the service message and the The mapping relationship of the service-specific radio bearers.
  • the service specific radio bearer for service message transmission includes Configuration information, the configuration information including one or a combination of the following:
  • the QoS requirement of the service message includes one or a combination of the following:
  • the network side device includes a base station; or the network The side device includes a base station and a proximity service function entity ProSe Function.
  • a V2X service-dedicated radio bearer for V2X service message transmission is configured, and a V2X service message is mapped to its corresponding service-specific radio bearer (that is, a V2X service-dedicated radio bearer), thereby implementing The first terminal sends a V2X service message through the PC5 interface.
  • the QoS requirement of the non-IP V2X service message is ensured at the same time, that is, the technical solution provided by the embodiment of the present invention can implement the transmission of the non-IP V2X service message with multiple QoS requirements.
  • FIG. 1 is a schematic diagram of a V2X communication scenario according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a D2D communication network defined by a 3GPP standard according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of a method for transmitting a service message according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a PC5 air interface protocol stack according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a V2X communication process according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a V2X communication process according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a process of mapping a service message to its corresponding service-specific radio bearer according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a V2X communication process according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a V2X communication process according to an embodiment of the present invention.
  • FIG. 10 is a schematic flowchart of a method for transmitting a service message according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a first terminal according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a network side device according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a first terminal according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of a network side device according to an embodiment of the present invention.
  • the embodiment of the present invention provides a service message transmission method, a first terminal, and a network side device, where the service message refers to a V2X service message, that is, the service message includes a vehicle and a vehicle V2V service message, and a vehicle V2I service messages with the communication infrastructure, vehicle and pedestrian hand-held terminal V2P service messages to implement V2X service message transmission.
  • the method and the device are based on the same inventive concept. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and the repeated description is not repeated.
  • V2X communication means that the vehicle and the vehicle V2V, the vehicle and communication infrastructure V2I, or the vehicle and the pedestrian handheld terminal V2P directly perform data transmission and information interaction through wireless communication technologies.
  • V2X communication provides and supports applications and messaging related to road traffic safety aspects.
  • the V2X service message transmitted in the V2X communication is a non-IP service data.
  • Different types of V2X service messages have different QoS requirements according to different V2X communication application scenarios, and V2X messages with the same QoS requirements belong to the same QoS class.
  • the V2X service message type, the QoS requirement of the V2X service message, and the QoS class to which the V2X service message belongs are as shown in Table 1.
  • QoS parameters include Priority, Packet Delay Budget (PDB), Error Error and Packet Loss Rate (PELR), Maximum Transmission Frequency (MAX Frequency), and Transmission.
  • the QoS requirement of the V2X service message is that the V2X service message reaches a certain value on each QoS parameter.
  • different types of V2X service messages are classified into QoS levels 1 to 8, and QCI indicates QoS Class Identifier.
  • the types of V2X service messages involved in Table 1 include: Pre-Crash Warning, Longitudinal Collision Risk Warning (LCRW), Intersection Collision Risk Warning (ICRW), and roads. Road Hazard Signaling (RHS), In-vehicle signage (IVS), and Electronic Toll Collection (ETC).
  • the QoS parameter, the QoS requirement of the V2X service message, and the QoS class of the V2X service message are not limited to the content in Table 1.
  • the technical solution provided by the embodiment of the present invention has universality. Sex, can also be used in other possible examples besides the table one.
  • V2X service message transmission is essentially a device-to-device communication (D2D) communication service.
  • the technical solution provided by the embodiment of the present invention can be applied to the V2X communication scenario shown in FIG. 1.
  • the terminal may be a terminal within the network coverage or a terminal outside the network coverage.
  • the terminal may be a vehicle terminal, a communication infrastructure (Infrastructure), a pedestrian handheld terminal (Pedestrian), and a road for performing V2X communication.
  • the side-side unit (RSU), etc.; the network-side device mainly refers to a network node such as a base station and a ProSe Function, and the ProSe Function is a network node located at the core network side of the LTE system. It is mainly used for terminal authorization and parameter configuration for D2D communication.
  • FIG. 2 is a Third Generation Partnership Project (3 rd Generation Partnership Project, 3GPP ) network architecture defined in the relevant standards D2D communication.
  • 3GPP Third Generation Partnership Project
  • the newly added network elements in the network architecture shown in FIG. 2 include a ProSe Function and a ProSe Application Server, and the newly added interfaces include PC1 and PC2. , PC3, PC4, PC5.
  • the PC3 interface is an interface for the terminal to exchange information with the ProSe Function
  • the PC5 is an interface for performing D2D communication between the terminals;
  • the ProSe Function mainly performs the functions of service authorization and parameter configuration of the D2D communication.
  • the terminal that needs to perform D2D communication requests the authorization of the D2D communication service from the ProSe Function through the PC3 interface, and acquires the relevant D2D communication parameter, and the ProSe Function authorizes and performs the D2D communication service to the terminal through the PC3 interface.
  • Parameter configuration The terminals perform D2D communication through the PC5 interface.
  • HSS Home Subscriber Server
  • SLP Service Logic Processing
  • MME Mobile Management Entity
  • S/PGW Service Gateway (Serving) Gateway
  • SGW Packet Data Network gateway
  • PDN-GateWay Packet Data Network gateway
  • existing D2D communication supports IP data transmission and ARP signaling transmission.
  • IP data transmission the IP quintuple in the IP packet header must be filtered to map the IP data to the radio bearer to implement IP data transmission.
  • ARP signaling it does not have the same V2X service message. Multiple QoS requirements. Therefore, existing D2D communication does not support the transmission of non-IP V2X service messages with multiple QoS requirements.
  • a V2X service-dedicated radio bearer is configured for V2X service message transmission, and a V2X service message is mapped to a corresponding V2X service-dedicated radio bearer, thereby implementing V2X service message transmission, and simultaneously
  • the QoS requirement of the non-IP V2X service message is ensured, that is, the technical solution provided by the embodiment of the present invention can implement the transmission of the non-IP V2X service message with multiple QoS requirements.
  • the service message refers to a V2X service message, that is, the service message includes a vehicle and vehicle V2V service message, a vehicle and communication infrastructure V2I service message, and a vehicle and pedestrian hand-held terminal V2P service message.
  • a service-specific radio bearer refers to a V2X service-dedicated radio bearer for V2X service message transmission.
  • the first terminal refers to the transmitting end of the V2X service message transmission
  • the second terminal refers to the receiving end of the V2X service message transmission.
  • an embodiment of the present invention provides a service message transmission method, including:
  • the first terminal is configured to be a service-specific radio bearer for service message transmission, and the service message includes one or a combination of the following: a vehicle and vehicle V2V service message, a vehicle and communication infrastructure V2I service message, and a vehicle and pedestrian hand-held terminal V2P service message. ;
  • the first terminal maps the service message to a service-specific radio bearer corresponding thereto.
  • the first terminal sends a service message by using a PC5 interface.
  • the V2X service includes different types of service messages, and different types of service messages may have different QoS requirements, that is, different types of service messages may belong to different QoS levels.
  • the first terminal configures different service-specific radio bearers for service messages with different QoS requirements to ensure that the service-specific radio bearers meet the QoS requirements of the service messages corresponding thereto.
  • the service message with the same QoS requirement can be mapped to the same service-specific radio bearer, which is equivalent to “classifying” the service message, that is, having the same QoS requirement.
  • Business messages are divided into one category.
  • the service-specific radio bearer is dedicated to the transmission of the service message corresponding thereto, and the service-specific radio bearer is different from the D2D radio bearer (SLRB) in the existing D2D communication.
  • the QoS requirement of the service message refers to the value that the service message needs to reach on the QoS parameter
  • the QoS parameters include, but are not limited to, priority, delay, error rate, packet loss rate, and priority bit rate. (Prioritized Bit Rate, PBR), Guaranteed Bit Rate (GBR), transmission distance, and transmission frequency.
  • the method shown in FIG. 3 can be used to configure the service-specific radio bearer for service message transmission, and map the service message to the service-specific radio bearer corresponding thereto, thereby implementing the service message. Transmission ensures the QoS requirements of service messages.
  • the service-specific radio bearer configured by the first terminal includes a mapping relationship between the service message and the service-specific radio bearer, and is used by the first terminal to map the service message to the service-specific radio bearer corresponding thereto.
  • a method for configuring a service-specific radio bearer for service message transmission by a first terminal includes the following two types:
  • the first type the first terminal receives the service-specific radio bearer sent by the network side device for service message transmission.
  • the second type the first terminal configures a service-specific radio bearer for the service message transmission according to the QoS requirement of the service message.
  • the first terminal receives the mapping template sent by the network side device, and the mapping template includes the second type: the first terminal receives the service-specific radio bearer sent by the network side device and is used for service message transmission.
  • the first terminal sends a service request message to the network side device.
  • the service request message is used to request a service-specific radio bearer corresponding to the service message, and the service request message includes one or a combination of the following information: a message type of the service message, a priority of the service message, and a delay of the service message.
  • the service-specific radio bearer corresponding to the service message includes configuration information, and the configuration information includes but is not limited to the following information:
  • Logical Channel Logical Channel Identifier (LCID), Service-Specific Radio Bearer Indication, Service-Specific Radio Bearer Identification, Packet Data Convergence Protocol (PDCP) Entity, and Radio Link Control (Radio Link Control, RLC) entity.
  • LCID Logical Channel Identifier
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • the configuration information of the different service-specific radio bearers is independent of each other, and the service-specific radio bearer indicates a radio bearer type identifier, which is used to indicate that the service-specific radio bearer is a radio bearer for service message transmission, instead of D2D radio bearer SLRB for D2D communication other than V2X communication.
  • the identity of the service-specific radio bearer is used to distinguish different service-specific radio bearers.
  • the service message is sent according to the configuration information of the service-specific radio bearer corresponding to the service message.
  • the specific process is as follows:
  • the first terminal processes the service message by using the PDCP entity and the RLC entity indicated in the configuration information, and maps the processed service message to the logical channel indicated in the configuration information;
  • the first terminal generates a MAC Protocol Data Unit (PDU) including a service message and a logical channel identifier;
  • PDU MAC Protocol Data Unit
  • the first terminal sends the MAC PDU including the service message and the logical channel identifier to the second terminal through the PC5 interface.
  • the method for the first terminal to generate a MAC PDU including a service message and a logical channel identifier includes:
  • the first terminal generates a MAC Service Data Unit (SDU) including a service message;
  • SDU MAC Service Data Unit
  • the first terminal encapsulates the MAC SDU in a MAC protocol data unit (PDU), the MAC PDU includes at least one MAC SDU, and the packet header of the MAC PDU includes a service message corresponding to each MAC SDU included in the at least one MAC SDU.
  • PDU MAC protocol data unit
  • the logical channel identifiers are arranged in the order of the at least one MAC SDU in the MAC PDU, so that the receiving end can identify which MAC of the logical channel identifier in the packet header corresponds to.
  • Service messages included in the SDU are arranged in the order of the at least one MAC SDU in the MAC PDU, so that the receiving end can identify which MAC of the logical channel identifier in the packet header corresponds to.
  • the foregoing method provided by the embodiment of the present invention relates to a PC5 air interface protocol stack for D2D communication.
  • the PC5 air interface protocol stack includes four protocol layers: a PDCP layer, an RLC layer, a MAC layer, and a physical layer (Physical Laye, PHY).
  • the foregoing method provided by the embodiment of the present invention specifically includes: after mapping a service message to its corresponding service-specific radio bearer, performing security and security related processing such as encryption and integrity protection on the PDCP layer (ie, the PDCP entity),
  • the RLC layer ie, the RLC entity
  • performs operations such as splitting/combining the service message to generate a MAC SDU including a service message to support the PC5 interface radio resource.
  • the related processing of the service message by the PDCP entity and the RLC entity is the same as the existing D2D communication, and is not described here.
  • the MAC layer receives the MAC SDU containing the service message, and different MAC SDUs may not correspond.
  • the same service-specific radio bearer can know the logical channel corresponding to the MAC SDU according to the configuration information of the service-specific radio bearer corresponding to the MAC SDU, map the MAC SDU to its corresponding logical channel, and then perform scheduling, multiplexing, and the like on the MAC SDU.
  • the MAC PDU delivered by the MAC layer is sent to the second terminal through the PC5 interface at the PHY layer.
  • the first terminal allocates a transmission resource to the logical channel of the service message according to the configuration information of the service-specific radio bearer corresponding to the service message.
  • the resource allocated according to the logical channel can determine the data size of the service message that can be transmitted by the logical channel, and encapsulate the service message of the corresponding data size in the MAC PDU, thereby satisfying the QoS requirement of the service message corresponding to the logical channel.
  • the MAC layer allocates resources for the logical channel corresponding to the service message, and may adopt a logical channel prioritization (LCP) processing method in the LTE MAC protocol, and the method depends on the internal implementation of the terminal itself, in the embodiment of the present invention. No specific restrictions.
  • LCP logical channel prioritization
  • the data processed by each protocol layer will be forwarded to the next protocol layer for corresponding processing; after receiving the MAC PDU sent by the transmitting end, the receiving end processes the MAC PDU opposite to the processing process of the transmitting end. I will not repeat them here.
  • the first terminal sends the MAC PDU including the logical channel identifier corresponding to the service message and the service message to the second terminal by using the available transmission resource and through the PC5 interface.
  • the first terminal needs to process the MAC PDU by using a modulation, coding, or the like of the PHY layer before sending the MAC PDU.
  • the existing D2D communication technology is not described here.
  • the base station configures a number of "D2D communication resource pools" on the LTE system licensed spectrum.
  • the transmission resource in the “D2D communication resource pool” configured by the base station on the licensed spectrum of the LTE system is used to prevent the D2D communication of the terminal from interfering with the cellular communication in the LTE system.
  • the terminal can exchange the information with the base station, and the base station allocates the transmission resource for the service message transmission by the base station; and can also independently select the transmission resource for the service message transmission in the “D2D communication resource pool” in a freely competitive manner. .
  • the system On some dedicated spectrums other than the licensed spectrum of the LTE system, the system also configures several “D2D communication resource pools”, so that terminals outside the coverage of the base station can also perform D2D communication by using resources in the “D2D communication resource pool”. Terminals outside the coverage of the base station independently select transmission resources for service message transmission in the "D2D communication resource pool” in a freely competitive manner.
  • the MAC PDU generated by the first terminal may include only the V2X service message (that is, the service message in the above, to distinguish the V2X service message and the D2D service message, where the V2X service message is used), and may only include the D2D service.
  • the message here, the D2DD2D service message refers to the D2D service message except the V2X service message
  • the second terminal needs to distinguish the V2X service. Messages and D2D business messages.
  • the MAC PDU generated by the first terminal may further include a service identifier, where the service identifier is used to indicate that the MAC PDU includes a V2X service message.
  • the service identifier may be a logical channel identifier or a Destination Layer-2 Identity of the V2X service message.
  • the service identifier may be a logical channel identifier of a V2X service message.
  • the logical channel identifier occupied by the D2D service message ranges from "00001 to 01010", and the logical channel identifier in the range of "01011 to 11110" is reserved for possible function expansion.
  • the value range of the logical channel identifier corresponding to the V2X service message may be set to “00001 to 01010”.
  • the service identifier can be identified by the destination layer 2.
  • the destination layer 2 identifier is defined in the embodiment of the present invention, and may also be referred to as a service-specific group identifier, and is used to indicate that the MAC PDU carrying the destination layer 2 identifier only includes a V2X service message, for example, setting the destination layer 2 identifier to “111111111111111111”.
  • the value range of the logical channel identifier occupied by the V2X service message is not limited.
  • the first terminal sends the MAC PDU carrying the destination layer 2 identifier to the second terminal, and the second terminal detects that the MAC PDU carries the destination layer 2 identifier, and determines that the MAC PDU only includes the V2X service message, and the header of the MAC PDU Medium
  • the logical channel identifiers are the logical channel identifiers corresponding to the V2X service messages, and the V2X service messages are obtained.
  • the service identifier is used to indicate that the MAC PDU includes a V2X service message, and the foregoing service identifier is not limited to the form provided in the embodiment of the present invention, and may also adopt other forms.
  • the first terminal maps the service message to the corresponding service-specific wireless according to the mapping relationship between the inter-layer primitives and service messages of the service message (that is, the V2X service message) and the service-specific radio bearer.
  • the inter-layer primitives of the bearer, service message include, but are not limited to, the priority of the service message and/or the message type of the service message.
  • the service message generated by the first terminal carries the V2X related parameter, for example, the V2X related parameter includes the priority of the service message, the message type of the service message, and the like, and the V2X related parameter is delivered to the PDCP layer along with the service message by means of an inter-layer primitive or a message header. And perform related operations.
  • the first terminal may detect whether the service-specific radio bearer for the service message transmission has been configured by matching the inter-layer primitive of the service message and the service-specific radio bearer corresponding to the configured service message. If the first terminal has configured the service-specific radio bearer for the service message transmission, the service message is mapped to its corresponding service-specific radio bearer according to the mapping relationship between the service message and the service-specific radio bearer without reconfiguration. The transmission of the service message is implemented.
  • the first terminal If the first terminal detects that the service-specific radio bearer for the service message transmission is not configured, the first terminal configures a service-specific radio bearer for the service message transmission. Specifically, the first terminal may configure a service-specific radio bearer for the service message transmission, or may obtain a service-specific radio bearer for the service message transmission from the network side.
  • the service-specific radio bearer used for the service message transmission includes: a mapping relationship between the service message and the service-specific radio bearer, and configuration information of the service-specific radio bearer, where the configuration information of the service-specific radio bearer includes but is not limited to the following information: a logical channel , logical channel identifier, service-specific radio bearer indication, service-specific radio bearer identifier, PDCP entity, and RLC entity.
  • the following describes the V2X service process performed by the first terminal and the second terminal.
  • the first terminal itself configures a service-specific radio bearer for service message transmission.
  • the first terminal may be a terminal outside the coverage of the base station.
  • the V2X communication process between the first terminal and the second terminal is as follows:
  • the first terminal configures a service-specific radio bearer for service message transmission.
  • the first terminal configures a service-specific radio bearer for the service message transmission according to the QoS requirement of the service message.
  • the first terminal may separately configure corresponding service-specific radio bearers for different service messages with different QoS requirements according to the QoS requirements of all possible service messages; the first terminal may also be divided into multiple service messages with different QoS requirements. Configure corresponding service-specific radio bearers.
  • the service-specific radio bearer for service message transmission is stored in the chip or integrated circuit inside the first terminal as a factory setting of the first terminal.
  • the first terminal maps the service message to its corresponding service-specific radio bearer, and performs related operations to generate a MAC PDU including a service channel and a logical channel identifier corresponding to the service message.
  • the first terminal sends, by using the PC5 interface, a MAC PDU that includes a logical channel identifier corresponding to the service message and the service message to the second terminal.
  • the second terminal performs a related operation on the received MAC PDU.
  • the second terminal receives, by using the PC5 interface, the MAC PDU sent by the first terminal, where the MAC PDU includes a service message and a logical channel identifier corresponding to the service message, and the second terminal receives the MAC PDU through the PC5 interface at the PHY layer.
  • the PHY layer delivers the MAC PDU to the MAC layer for processing. This process is the same as the MAC layer processing on the first terminal side, and is not described here.
  • the second terminal identifies the logical channel identifier as a service-specific logical channel according to the logical channel identifier in the MAC PDU header, that is, the MAC SDU corresponding to the logical channel identifier includes a service message, and the second terminal establishes a logical channel corresponding to the logical channel identifier. , PDCP entity and RLC entity.
  • this step may be omitted.
  • the second terminal maps the service message to its corresponding logical channel, and forwards the service message to its corresponding PDCP entity and the RLC entity for processing.
  • the process is opposite to the response process of the first terminal side. Let me repeat.
  • the second terminal delivers the processed service message to the V2X application to complete the reception of the service message.
  • the second terminal only delivers the service message mapped to the service-dedicated logical channel to the V2X application, and does not submit it to the IP layer/ARP layer and the application layer, thereby ensuring that the second terminal receives the service message through the PC5 interface.
  • the first terminal acquires a service-specific radio bearer for service message transmission from the network side device.
  • the first terminal may be a terminal within the coverage of the base station, and the network side device includes a base station and a ProSe Function.
  • the interaction process between the first terminal, the second terminal, and the network side device is as follows:
  • the first terminal sends a service request message to the neighboring service function entity.
  • the V2X Service Request message is used to request to obtain a service-specific radio bearer for service message transmission.
  • the service request message includes a service-related parameter of the service message (refers to a related parameter of the V2X service), and the service-related parameters include, but are not limited to, a message type of the service message, a priority of the service message, and a delay requirement of the service message.
  • the first terminal obtains a service-related parameter of the service message by using a V2X Service Access Point (V-SAP), and the service-related parameter exists in the form of a message header or an inter-layer primitive, and the V-SAP is the first terminal.
  • V-SAP V2X Service Access Point
  • the service request message may also include a QoS requirement for the service message.
  • the first terminal determines the QoS requirement of the service message according to the requirement of the V2X application and/or the service-related parameter of the service message, for example, determining the QoS requirement of the service message on the QoS parameters such as delay, PBR, GBR, etc., and the first terminal determines the QoS requirement.
  • the above QoS requirements of the service message are carried in the service request message and sent to the neighboring service function entity.
  • the service request message further includes a service indication, which is used to indicate that the service requested by the first terminal is a V2X service, and is not a D2D service other than the V2X service.
  • the first terminal sends a service request message to the neighboring service function entity through the PC3 interface shown in FIG. 2.
  • the message type of the service request message is not limited in the embodiment of the present invention. For example, it may be an Open Mobile Alliance Device Management (OMA DM) message.
  • OMA DM Open Mobile Alliance Device Management
  • the neighboring service function entity determines a QoS requirement of the service message, and a mapping template corresponding to the QoS requirement.
  • the neighboring service function entity determines the QoS requirement of the service message according to the service related parameter of the service message, and further determines the mapping template corresponding to the QoS requirement of the service message.
  • the mapping template corresponding to the QoS requirement is used to indicate a mapping relationship between the QoS requirement and the V2X related parameter, and the mapping template includes a set of V2X related parameters of all service messages having the same QoS requirement. If the service-related parameter of the service message is the same as the service-related parameter of the mapping template, the service message is matched with the mapping template, and the mapping template is the mapping template corresponding to the service message.
  • the neighboring service function entity pre-stores the QoS requirements corresponding to different V2X service messages and the mapping templates corresponding to different QoS requirements.
  • the neighboring service function entity sends a service response message to the base station.
  • the service response message includes a QoS requirement of the service message and a mapping template corresponding to the QoS requirement.
  • the transmission path that the neighboring service function entity sends the service response message to the base station by using the network architecture shown in FIG. 2 is: the neighboring service function entity sends the service response message to the home subscriber server through the PC4 interface (Home Subscriber Server, The HSS sends the service response message to the Mobility Management Entity (MME) through the S6a interface, and the MME sends the V2X service response message to the base station through the S1 interface.
  • the neighboring service function entity sends the service response message to the home subscriber server through the PC4 interface (Home Subscriber Server
  • the HSS sends the service response message to the Mobility Management Entity (MME) through the S6a interface
  • MME Mobility Management Entity
  • the base station configures a service-specific radio bearer for service message transmission according to the QoS requirement of the service message and the mapping template corresponding to the QoS requirement.
  • the service-specific radio bearer configured by the base station for service message transmission meets the QoS requirement of the service message.
  • the specific content included in the service-specific radio bearer is not described here.
  • the base station sends the service-specific radio bearer for service message transmission to the first terminal.
  • the base station sends the service-specific radio bearer for the service message transmission to the first terminal by using a Radio Resource Control (RRC) message.
  • RRC Radio Resource Control
  • the base station sends the mapping template corresponding to the QoS requirement of the service message to the first terminal as the configuration information of the service-specific radio bearer.
  • the first terminal maps the service message to its corresponding service-specific radio bearer, and performs related operations to generate a MAC PDU including a service channel and a logical channel identifier corresponding to the service message.
  • the first terminal sends, by using the PC5 interface, a MAC PDU that includes a logical channel identifier corresponding to the service message and the service message to the second terminal.
  • the second terminal performs a related operation on the received MAC PDU.
  • Figure 7 represents V2X-RB n
  • the service-specific radio bearer is configured, and n indicates a different V2X service-specific radio bearer identifier.
  • the service-related parameters of the service message are matched with the mapping template one by one.
  • the service message is mapped to the V2X-RBn corresponding to the mapping template n , that is, steps S606 to S608 are performed; if the service-related parameters of the service message and the existing mapping are performed, If none of the templates is successfully matched, steps S601 to S608 are performed.
  • the first terminal acquires a service-specific radio bearer for service message transmission from the network side device.
  • the first terminal may be a terminal within the coverage of the base station, and the network side device is a base station.
  • the interaction process between the first terminal, the second terminal, and the base station is as follows:
  • the first terminal sends a service request message to the base station.
  • the V2X Service Request message is used to request to obtain a service-specific radio bearer for service message transmission.
  • the service request message includes service-related parameters of the service message, and the service-related parameters include, but are not limited to, the message type of the service message, the priority of the service message, and the delay of the service message.
  • V-SAP V2X service access point
  • the V2X service access point (V-SAP) obtains service-related parameters of the service message, and the V2X related parameter exists in the form of a message header or an inter-layer primitive, and the V-SAP is the V2X application layer of the first terminal. Interface between the PDCP layer that interfaces with PC5.
  • the V2X service request message includes a QoS requirement of the service message.
  • the first terminal determines the QoS requirement of the service message according to the requirement of the V2X application and/or the service related parameter of the service message, for example, determining the QoS requirement of the service message on the QoS parameters such as delay, PBR, GBR, etc., and the first terminal determines the QoS requirement.
  • the QoS requirements of the service message are carried in the service request message and sent to the base station.
  • the V2X service request message further includes a service indication, which is used to indicate that the service requested by the first terminal is a V2X service, and is not a D2D service other than the V2X service.
  • the first terminal sends a V2X service request message to the base station by using an RRC message.
  • the base station configures a service-specific radio bearer for service message transmission.
  • the base station determines the identifier of the service-specific radio bearer corresponding to the service-related parameter of the service message, and the base station determines the QoS requirement of the service message according to the service-related parameter of the service message, and configures the configuration information of the service-specific radio bearer that satisfies the QoS requirement of the service message. .
  • the message type of the service message is Pre-crash Warning
  • the base station determines that the identifier of the service-specific radio bearer corresponding to the Pre-crash Warning is 1, and the base station configures the service according to the QoS requirement corresponding to the message type Pre-crash Warning.
  • the configuration information of the service-specific radio bearer of the private radio bearer identified by 1.
  • the base station sends a service-specific radio bearer for service message transmission to the first terminal.
  • the base station sends the service-specific radio bearer for service message transmission to the first terminal by using an RRC message.
  • the first terminal maps the service message to its corresponding service-specific radio bearer, and performs related operations to generate a MAC PDU including a service channel and a logical channel identifier corresponding to the service message.
  • the first terminal sends, by using the PC5 interface, a MAC PDU that includes a logical channel identifier corresponding to the service message and the service message to the second terminal.
  • the second terminal performs a related operation on the received MAC PDU.
  • the first terminal acquires a service-specific radio bearer for service message transmission from the network side device.
  • the first terminal may be a terminal within the coverage of the base station, and the network side device is a base station.
  • the interaction process between the first terminal, the second terminal, and the base station is as follows:
  • the base station configures a service-dedicated radio bearer for service message transmission.
  • the base station configures corresponding service-specific radio bearers for different service messages with different QoS requirements according to the QoS requirements of all possible service messages.
  • the base station sends, by using a system message broadcast, a service-specific radio bearer for service message transmission to the first terminal.
  • the base station sends a service-specific radio bearer corresponding to different service messages with different QoS requirements by using a system message broadcast. All terminals in the coverage of the base station can receive system messages of the base station.
  • system message of the base station may further include a mapping template in the description (2).
  • the first terminal maps the service message to its corresponding service-specific radio bearer, and performs related operations to generate a MAC PDU including a service channel and a logical channel identifier corresponding to the service message.
  • the first terminal sends, by using the PC5 interface, a MAC PDU that includes a logical channel identifier corresponding to the service message and the service message to the second terminal.
  • the second terminal performs a related operation on the received MAC PDU.
  • the first terminal by using the service message transmission method provided by the embodiment of the present invention, maps the V2X service message to its corresponding V2X service-dedicated radio bearer, thereby implementing the V2X service message transmission, and ensuring the QoS requirement of the non-IP V2X service message.
  • the embodiment of the present invention provides a service message transmission method, including:
  • the network side device is configured to use a service-specific radio bearer for service message transmission, and the service is eliminated.
  • the information is transmitted on the PC5 interface, and the service message includes one or a combination of: a vehicle and vehicle V2V service message, a vehicle and communication infrastructure V2I service message, a vehicle and a pedestrian hand-held terminal V2P service message;
  • the network side device sends the configured service-specific radio bearer for service message transmission to the first terminal.
  • the service message refers to a V2X service message
  • the service-specific radio bearer refers to a V2X service-dedicated radio bearer.
  • the service-specific radio bearer configured by the network side device satisfies the quality of service QoS requirement of the corresponding service message.
  • the QoS requirement of the service message refers to the value that the service message needs to reach on the QoS parameter.
  • the QoS parameters include but are not limited to: priority, delay, error and packet loss rate PELR, transmission distance, and transmission frequency.
  • the service-specific radio bearer includes a mapping relationship between the service message and the service-specific radio bearer.
  • the network side device configures a mapping relationship between the service message and the service-specific radio bearer according to the quality of service QoS requirement of the service message.
  • the service-specific radio bearer used for service message transmission includes configuration information including but not limited to one or a combination of the following:
  • Logical channel Logical channel, logical channel identifier, mapping template, service-specific radio bearer indication, service-specific radio bearer identification, packet data convergence protocol PDCP entity, and radio link control RLC entity.
  • the network side device sends a mapping template to the first terminal, where the mapping template includes a mapping relationship between the service message and the service-specific radio bearer.
  • the network side device receives the service request message sent by the first terminal; the service request message is used to request the service specific radio bearer for the service message transmission, and the service request message is one or a combination of the following: The message type of the service message, the priority of the service message, and the delay of the service message.
  • the network side device includes a base station; or the network side device includes a base station and a neighboring service function entity ProSe Function.
  • network side device side For details of the network side device side, refer to the first terminal side method embodiment, and details are not described herein again.
  • the first terminal can be obtained by the method provided by the network side embodiment provided by the embodiment of the present invention.
  • the V2X service-specific radio bearer for V2X service message transmission and then mapping the V2X service message to its corresponding V2X service-dedicated radio bearer, thereby realizing the transmission of the V2X service message and ensuring the QoS requirement of the non-IP V2X service message.
  • the embodiment of the present invention further provides a first terminal, where the first terminal may adopt the method provided by the embodiment corresponding to FIG. 3, and as shown in FIG. 11, the first terminal 1100 includes: a processing unit 1101. And a transmitting unit 1102 and a receiving unit 1103.
  • the processing unit 1101 is configured to configure a service-specific radio bearer for service message transmission, and the service message includes one or a combination of: a vehicle and a vehicle V2V service message, a vehicle and communication infrastructure V2I service message, and a V2P service of the vehicle and the pedestrian handheld terminal. Message; mapping the service message to its corresponding service-specific radio bearer;
  • the sending unit 1102 is configured to send, by using the PC5 interface, a service message processed by the processing unit 1101.
  • the service-specific radio bearer satisfies the quality of service QoS requirement of the corresponding service message.
  • processing unit 1101 when the processing unit 1101 is configured to use a service-specific radio bearer for service message transmission, the processing unit 1101 is specifically configured to:
  • a service-specific radio bearer for service message transmission is configured according to the quality of service QoS requirement of the service message.
  • the receiving unit 1103 is configured to:
  • the processing unit 1101 is specifically configured to: when configuring a service-specific radio bearer for service message transmission:
  • the service-specific radio bearer for receiving the service message received by the receiving unit 1103 from the network side device is configured as a service-dedicated radio bearer for service message transmission.
  • the receiving unit 1103 when receiving the service-specific radio bearer configured for the service message transmission by the network side device, the receiving unit 1103 is specifically configured to:
  • mapping template sent by the network side device, where the mapping template includes a service for service message transmission Dedicated wireless bearer.
  • the sending unit 1102 is further configured to:
  • the service request message is used to request a service-specific radio bearer for service message transmission, and one or a combination of the service request message: message type, priority, delay, priority bit rate PBR, and guaranteed bit rate GBR of the service message.
  • the service-specific radio bearer includes a mapping relationship between the service message and the service-specific radio bearer.
  • processing unit 1101 maps the service message to the service-specific radio bearer corresponding thereto, the processing unit 1101 is specifically configured to:
  • the service message is mapped to the service-specific radio bearer corresponding thereto, and the inter-layer primitive of the service message includes the priority and/or service of the service message.
  • the message type of the message is the mapping between the inter-layer primitives of the service message and the service-specific radio bearer.
  • the service-specific radio bearer corresponding to the service message includes configuration information, and the configuration information includes one or a combination of the following:
  • Logical channel Logical channel, logical channel identification, service specific radio bearer indication, service specific radio bearer identification, packet data convergence protocol PDCP entity and radio link control RLC entity.
  • processing unit 1101 maps the service message to the service-specific radio bearer corresponding thereto, the processing unit 1101 is further configured to:
  • the sending unit 1102 When the sending unit 1102 sends the service message processed by the processing unit 1101 through the PC5 interface, the sending unit 1102 is specifically configured to:
  • the MAC PDU including the service message and the logical channel identifier generated by the processing unit 1101 is transmitted through the PC5 interface.
  • the MAC PDU further includes a service identifier, where the service identifier is used to indicate that the MAC PDU includes a service message.
  • the service identifier is a logical channel identifier of the service message or a destination layer 2 identifier.
  • the processing unit 1101 when the processing unit 1101 generates a MAC PDU including a service message and a logical channel identifier, the processing unit 1101 is specifically configured to:
  • the MAC SDU is encapsulated in the MAC, and the MAC PDU includes at least one MAC SDU.
  • the header of the MAC PDU includes a logical channel identifier corresponding to the service message included in each MAC SDU of the at least one MAC SDU.
  • processing unit 1101 is further configured to:
  • the QoS requirement of the service message includes one or a combination of the following:
  • the embodiment of the present invention further provides a network side device, and the network side device may adopt the method provided by the embodiment corresponding to FIG. 10, as shown in FIG. 12, the network side device 1200 includes: a processing unit 1201. And a transmitting unit 1202 and a receiving unit 1203.
  • the processing unit 1201 is configured to configure a service-specific radio bearer for service message transmission, and the service message is transmitted on the PC5 interface, and the service message includes one or a combination of the following: a vehicle and a vehicle V2V service message, a vehicle and a communication infrastructure V2I service message. , vehicle and pedestrian handheld terminal V2P service messages;
  • the sending unit 1202 is configured to send, by the processing unit 1201, a service-specific radio bearer for service message transmission to the first terminal.
  • the service-specific radio bearer satisfies the quality of service QoS requirement of the corresponding service message.
  • processing unit 1201 is configured to:
  • the sending unit 1202 is specifically configured to:
  • mapping template includes a service-specific radio bearer for service message transmission.
  • the receiving unit 1203 is configured to:
  • the service request message is used to request a service-specific radio bearer for service message transmission, and one or a combination of the service request message: message type, priority, delay, priority bit rate PBR, and guaranteed bit rate GBR of the service message.
  • the service-specific radio bearer includes a mapping relationship between the service message and the service-specific radio bearer.
  • the service-specific radio bearer used for service message transmission includes configuration information, and the configuration information includes one or a combination of the following:
  • Logical channel Logical channel, logical channel identification, mapping relationship, service-specific radio bearer indication, service-specific radio bearer identification, packet data convergence protocol PDCP entity, and radio link control RLC entity.
  • the QoS requirement of the service message includes one or a combination of the following:
  • the network side device includes a base station; or the network side device includes a base station and a neighboring service function entity ProSe Function.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • An integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, can be stored in a computer readable storage medium.
  • the technical solution of the present application is essentially or a part contributing to the prior art or all of the technical solution.
  • a portion may be embodied in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) Performing all or part of the steps of the various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .
  • the embodiment of the present invention further provides a first terminal, where the first terminal may adopt the method provided by the embodiment corresponding to FIG. 3, and may be the same device as the first terminal shown in FIG.
  • the first terminal 1300 includes: a processor 1301, a transmitter 1302, a bus 1303, a memory 1304, and a receiver 1305, wherein:
  • the processor 1301, the transmitter 1302, the memory 1304, and the receiver 1305 are mutually connected by a bus 1303; the bus 1303 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (extended industry standard architecture). Referred to as EISA) bus.
  • PCI peripheral component interconnect
  • EISA extended industry standard architecture
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in FIG. 13, but it does not mean that there is only one bus or one type of bus.
  • the processor 1301 corresponds to the processing unit 1101 in FIG. 11, the transmitter 1302 corresponds to the transmitting unit 1102 in FIG. 11, and the receiver 1305 corresponds to the receiving unit 1103 in FIG.
  • the first terminal 1300 further includes a memory 1304 for storing programs and the like.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 1304 may include a random access memory (RAM), and may also include a non-volatile memory, such as at least one disk storage.
  • the processor 1301 executes the application stored in the memory 1304 to implement the V2X service message transmission method as described above.
  • the embodiment of the present invention further provides a network side device, and the network side device may adopt the method provided by the embodiment corresponding to FIG. 10, and may be the same device as the network side device shown in FIG.
  • the network side device 1400 includes: a processor 1401, a transmitter 1402, a bus 1403, a memory 1404, and a receiver 1405, where:
  • the processor 1401, the transmitter 1402, the memory 1404, and the receiver 1405 are connected to each other through a bus 1403; the bus 1403 may be a PCI bus or an EISA bus or the like.
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 14, but it does not mean that there is only one bus or one type of bus.
  • the processor 1401 corresponds to the processing unit 1201 in FIG. 12, the transmitter 1402 corresponds to the sending unit 1202 in FIG. 12, and the receiver 1405 corresponds to the receiving unit 1203 in FIG. 12.
  • the network side device 1400 further includes a memory 1404 for storing programs and the like.
  • the program can include program code, the program code including computer operating instructions.
  • Memory 1404 may include RAM and may also include non-volatile memory, such as at least one disk storage.
  • the processor 1401 executes the application stored in the memory 1404 to implement the V2X message transmission method as described above.

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Abstract

La présente invention concerne un procédé de transmission de message de service, un premier terminal et un dispositif côté réseau, permettant une transmission de message de service V2X. Le procédé selon la présente invention comprend les étapes suivantes : un premier terminal configure une porteuse radio dédiée à utiliser dans une transmission de message de service, le message de service comprenant un ou une combinaison des éléments suivants : un message de service véhicule à véhicule (V2V), un message de service véhicule à infrastructure (V2I), un message de service de terminal portatif véhicule-piéton (V2P) ; le premier terminal mappe le message de service sur la porteuse radio dédiée lui correspondant ; le premier terminal transmet le message de service par l'intermédiaire d'une interface PC5.
PCT/CN2015/099921 2015-12-30 2015-12-30 Procédé de transmission de message de service, premier terminal et dispositif côté réseau WO2017113207A1 (fr)

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PCT/CN2015/099921 WO2017113207A1 (fr) 2015-12-30 2015-12-30 Procédé de transmission de message de service, premier terminal et dispositif côté réseau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/099921 WO2017113207A1 (fr) 2015-12-30 2015-12-30 Procédé de transmission de message de service, premier terminal et dispositif côté réseau

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