WO2017133629A1 - 一种消息转发的方法、设备、***和计算机存储介质 - Google Patents

一种消息转发的方法、设备、***和计算机存储介质 Download PDF

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Publication number
WO2017133629A1
WO2017133629A1 PCT/CN2017/072700 CN2017072700W WO2017133629A1 WO 2017133629 A1 WO2017133629 A1 WO 2017133629A1 CN 2017072700 W CN2017072700 W CN 2017072700W WO 2017133629 A1 WO2017133629 A1 WO 2017133629A1
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Prior art keywords
enb
message
mbms session
target enb
setup
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PCT/CN2017/072700
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English (en)
French (fr)
Inventor
陈玉芹
吴蕴璐
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中兴通讯股份有限公司
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Publication of WO2017133629A1 publication Critical patent/WO2017133629A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/40Connection management for selective distribution or broadcast

Definitions

  • the present invention relates to wireless communication technologies, and in particular, to a method, device, system, and computer storage medium for message forwarding.
  • V2X Vehicle to X
  • V2X refers to the provision of vehicle information through sensors, vehicle terminals and electronic tags mounted on vehicles.
  • V2V Vehicle-to-Vehicle Communication
  • V2P Vehicle- To-Pedestrian Communications
  • V2I Vehicle-to-Infrastructure Communications
  • V2N Vehicle-to-Network Communications
  • information extraction and sharing on information network platforms Such as effective use, effective control and provision of comprehensive services.
  • Evolved UMTS Terrestrial Radio Access Network can be accessed by Multimedia Broadcast Multicast Service (MBMS) or single cell.
  • MBMS Multimedia Broadcast Multicast Service
  • SC-PTM Single-cell point-to multiple point
  • the V2X message cannot be forwarded between adjacent evolved base stations (eNBs, evolved Node Bs).
  • the embodiment of the present invention is to provide a method, device, and system for message forwarding, which can implement V2X message forwarding between adjacent eNBs.
  • an embodiment of the present invention provides a method for message forwarding; the method includes:
  • the source eNB establishes a transmission channel with the target eNB according to a preset establishment policy, where the transmission tunnel includes a general packet radio service technology tunneling protocol GTP tunnel;
  • the source eNB transmits a car network V2X message or a normal car network V2X message carried in a multimedia broadcast/multicast service MBMS session to the target eNB through the transmission channel.
  • the source eNB establishes a transmission channel with the target eNB according to a preset establishment policy, including:
  • the source eNB receives control plane signaling or user plane data from an upper layer network element
  • the source eNB sends a first setup channel request to the target eNB;
  • the source eNB receives a first acknowledgement channel response sent by the target eNB.
  • the source eNB when the V2X message is a V2X message that is carried in an MBMS session, the source eNB sends a first setup channel request to the target eNB, including:
  • the source eNB sends an X2 Setup Request message to the target eNB, where the X2 Setup Request message includes at least one of the MBMS session identifier and the MBMS session performance parameter;
  • the source eNB receives the first acknowledgement channel response sent by the target eNB, and specifically includes:
  • the source eNB receives an X2 Setup Response message sent by the target eNB after accepting the X2 Setup Request message, where the X2 Setup Response message includes the MBMS session identifier and the target eNB is configured to receive the The GTP tunnel identifier corresponding to the MBMS session.
  • the source eNB when the V2X message is a V2X message that is carried in an MBMS session, the source eNB sends a first setup channel request to the target eNB, including:
  • the source eNB sends an eNB Configuration Update message to the target eNB, where the eNB Configuration Update message includes at least one of the MBMS session identifier and the MBMS session performance parameter;
  • the source eNB receives the first acknowledgement channel response sent by the target eNB, and specifically includes:
  • the source eNB receives an eNB Configuration Update Acknowledge message sent by the target eNB after accepting the eNB Configuration Update message; wherein the eNB Configuration Update Acknowledge message includes the MBMS session identifier and the target eNB is configured to receive The GTP tunnel identifier corresponding to the MBMS session.
  • the first setup channel request when the V2X message is a normal Intranet V2X message, the first setup channel request includes an X2 Setup Request message or an eNB Configuration Update message; wherein the X2 Setup Request message or an eNB Configuration Update message is used. Instructing the target eNB to establish a GTP tunnel for forwarding a normal car network V2X message; and the X2 Setup Request message or the eNB Configuration Update message includes at least one of a service type, a performance parameter, and a data forwarding instruction data forwarding;
  • the first acknowledgement establishment channel reply correspondence includes an X2 Setup Response message or an eNB Configuration Update Acknowledge message, where the X2 Setup Response message or the eNB Configuration Update Acknowledge message is used to indicate the GTP tunnel information established by the target eNB for the service.
  • the X2 Setup Response message or eNB The Configuration Update Acknowledge message includes at least one of the service type, the performance parameter, and the GTP tunnel identity.
  • the source eNB establishes a transmission channel with the target eNB according to a preset establishment policy, including:
  • the source eNB receives a second setup channel request sent by the target eNB;
  • the source eNB sends a second acknowledgement to the target eNB to establish a channel reply.
  • the source eNB receives the second setup channel request sent by the target eNB, including:
  • the source eNB receives the Data Fetch Request message sent by the target eNB, where the Data Fetch Request message includes the MBMS session identifier, and the GTP tunnel identifier and the corresponding eNB are used to receive the MBMS session. At least one of the user equipment UE identifiers corresponding to the MBMS session;
  • the source eNB sends a second acknowledgement to the target eNB to establish a channel reply, which specifically includes:
  • the source eNB sends a Data Fetch Response message to the target eNB, where the Data Fetch Response message includes at least one of the MBMS session identifier and the MBMS session performance parameter.
  • the embodiment of the present invention further provides a method for message forwarding, where the method includes:
  • the target eNB establishes a transmission channel with the source eNB; wherein the transmission tunnel includes a general packet radio service technology tunneling protocol GTP tunnel;
  • the target eNB receives, by the transmission channel, a car network V2X message or a normal car network V2X message carried by the source eNB and carried in a multimedia broadcast/multicast service MBMS session.
  • the target eNB is established with the source eNB according to a preset establishment policy.
  • Vertical transmission channels including:
  • the target eNB sends a first acknowledgement establishment channel reply to the source eNB.
  • the target eNB when the V2X message is a V2X message that is carried in an MBMS session, the target eNB receives the first setup channel request sent by the source eNB, including:
  • the target eNB receives an X2 Setup Request message sent by the source eNB, where the X2 Setup Request message includes at least one of the MBMS session identifier and the MBMS session performance parameter;
  • the target eNB sends a first acknowledgement to the source eNB to establish a channel reply, including:
  • the target eNB After receiving the X2 Setup Request message, the target eNB sends an X2 Setup Response message to the source eNB, where the X2 Setup Response message includes the MBMS session identifier and the target eNB is configured to receive the MBMS The GTP tunnel ID corresponding to the session.
  • the target eNB when the V2X message is a V2X message that is carried in an MBMS session, the target eNB receives the first setup channel request sent by the source eNB, including:
  • an eNB Configuration Update message Receiving, by the source eNB, an eNB Configuration Update message, where the eNB Configuration Update message includes at least one of the MBMS session identifier and the MBMS session performance parameter;
  • the sending, by the target eNB, the first acknowledgment channel replies to the source eNB, specifically: after receiving the eNB Configuration Update message, the target eNB sends an eNB Configuration Update Acknowledge message to the source eNB;
  • the eNB Configuration Update Acknowledge message includes the MBMS session identifier and a GTP tunnel identifier corresponding to the target eNB for receiving the MBMS session.
  • the first The establishing a channel request includes an X2 Setup Request message or an eNB Configuration Update message, where the X2 Setup Request message or the eNB Configuration Update message is used to indicate that the target eNB establishes a GTP tunnel for forwarding a normal car network V2X message; and the X2Setup Request
  • the message or eNB Configuration Update message includes at least one of a service type, a performance parameter, and a data forwarding instruction data forwarding;
  • the first acknowledgement establishment channel reply correspondence includes an X2 Setup Response message or an eNB Configuration Update Acknowledge message, where the X2 Setup Response message or the eNB Configuration Update Acknowledge message is used to indicate that the target eNB establishes a GTP for the service. Tunnel information; and the X2 Setup Response message or the eNB Configuration Update Acknowledge message includes at least one of the service type, the performance parameter, and the GTP tunnel identity.
  • the target eNB establishes a transmission channel with the source eNB according to a preset establishment policy, including:
  • the target eNB receives a second acknowledgement channel reply sent by the source eNB.
  • the target eNB sends a second setup channel request to the source eNB, including:
  • the target eNB sends a Data Fetch Request message to the source eNB, where the Data Fetch Request message includes the MBMS session identifier, a GTP tunnel identifier corresponding to the target eNB for receiving the MBMS session, and the User equipment UE identifier corresponding to the MBMS session;
  • the target eNB receives the second acknowledgement channel response sent by the source eNB, and specifically includes:
  • the target eNB Receiving, by the target eNB, a Data Fetch Response message sent by the source eNB, where the Data Fetch Response message includes the MBMS session identifier and the At least one of the MBMS session performance parameters.
  • the embodiment of the present invention further provides a source eNB, where the source eNB includes: a first establishing module and a transmitting module;
  • the first establishing module is configured to establish a transmission channel with the target eNB according to a preset establishment policy, where the transmission tunnel includes a GTP tunnel;
  • the transmission module is configured to transmit a car network V2X message or a normal car network V2X message carried in a multimedia broadcast/multicast service MBMS session to the target eNB through the transmission channel.
  • the first establishing module includes: a first receiving unit, a first sending unit, and a second receiving unit; wherein
  • the first receiving unit is configured to receive control plane signaling or user plane data from an upper layer network element
  • the first sending unit is configured to send a first setup channel request to the target eNB when the control plane signaling or the user plane data includes a cell identifier of the target eNB;
  • the second receiving unit is configured to receive a first acknowledgement channel response sent by the target eNB.
  • the first sending unit is configured to: send an X2 Setup Request message to the target eNB;
  • the X2 Setup Request message includes at least one of the MBMS session identifier and the MBMS session performance parameter.
  • the second receiving unit is configured to:
  • the first sending unit is configured to: send an eNB Configuration Update message to the target eNB;
  • the eNB Configuration Update message includes at least one of the MBMS session identifier and the MBMS session performance parameter.
  • the second receiving unit is specifically configured to:
  • the target eNB Receiving an eNB Configuration Update Acknowledge message sent by the target eNB after accepting the eNB Configuration Update message; wherein the eNB Configuration Update Acknowledge message includes the MBMS session identifier and the target eNB is configured to receive the MBMS session The corresponding GTP tunnel identifier.
  • the first setup channel request when the V2X message is a normal car network V2X message, the first setup channel request includes an X2 Setup Request message or an eNB Configuration Update message; wherein the X2 Setup Request message or an eNB Configuration Update message And indicating that the target eNB establishes a GTP tunnel for forwarding a normal car network V2X message; and the X2Setup Request message or the eNB Configuration Update message includes at least one of a service type, a performance parameter, and a data forwarding instruction data forwarding;
  • the first acknowledgement establishment channel reply correspondence includes an X2 Setup Response message or an eNB Configuration Update Acknowledge message, where the X2 Setup Response message or the eNB Configuration Update Acknowledge message is used to indicate that the target eNB establishes a GTP for the service. Tunnel information; and the X2 Setup Response message or the eNB Configuration Update Acknowledge message includes at least one of the service type, the performance parameter, and the GTP tunnel identity.
  • the first establishing module includes: a third receiving unit and a second sending unit; wherein
  • the third receiving unit is configured to receive the second established channel sent by the target eNB. begging;
  • the second sending unit is configured to send a second acknowledgement establishment channel reply to the target eNB.
  • the third receiving unit is configured to receive a Data Fetch Request message sent by the target eNB, where the Data Fetch Request message includes the MBMS session identifier, and the target eNB is used to receive the a GTP tunnel identifier corresponding to the MBMS session and a user equipment UE identifier corresponding to the MBMS session;
  • the second sending unit is configured to send a Data Fetch Response message to the target eNB, where the Data Fetch Response message includes at least one of the MBMS session identifier and the MBMS session performance parameter.
  • the embodiment of the present invention further provides a target eNB, where the target eNB includes: a second establishing module and a receiving module;
  • the second establishing module is configured to establish a transmission channel with the source eNB according to a preset establishment policy, where the transmission tunnel includes a GTP tunnel;
  • the receiving module is configured to receive, by using the transmission channel, a car network V2X message or a normal car network V2X message carried by the source eNB and carried in a multimedia broadcast/multicast service MBMS session.
  • the second establishing module includes: a fourth receiving unit and a third sending unit;
  • the fourth receiving unit is configured to receive a first setup channel request sent by the source eNB;
  • the third sending unit is configured to send a first acknowledgement establishment channel reply to the source eNB.
  • the fourth receiving unit is configured to: receive an X2 Setup Request message sent by the source eNB; where the X2 The Setup Request message includes at least one of the MBMS session identifier and the MBMS session performance parameter;
  • the third sending unit is configured to send an X2 Setup Response message to the source eNB, where the X2 Setup Response message includes the MBMS session identifier and the target eNB is configured to receive the MBMS session Corresponding GTP tunnel identifier.
  • the fourth receiving unit is configured to: receive an eNB Configuration Update message sent by the source eNB;
  • the Configuration Update message includes at least one of the MBMS session identifier and the MBMS session performance parameter;
  • the third sending unit is configured to send an eNB Configuration Update Acknowledge message to the source eNB, where the eNB Configuration Update Acknowledge message includes the MBMS session identifier and the target eNB is configured to receive the MBMS The GTP tunnel ID corresponding to the session.
  • the first setup channel request when the V2X message is a normal car network V2X message, the first setup channel request includes an X2 Setup Request message or an eNB Configuration Update message; wherein the X2 Setup Request message or an eNB Configuration Update message And indicating that the target eNB establishes a GTP tunnel for forwarding a normal car network V2X message; and the X2Setup Request message or the eNB Configuration Update message includes at least one of a service type, a performance parameter, and a data forwarding instruction data forwarding;
  • the first acknowledgement establishment channel reply correspondence includes an X2 Setup Response message or an eNB Configuration Update Acknowledge message, where the X2 Setup Response message or the eNB Configuration Update Acknowledge message is used to indicate that the target eNB establishes a GTP for the service. Tunnel information; and the X2 Setup Response message or the eNB Configuration Update Acknowledge message includes at least one of the service type, the performance parameter, and the GTP tunnel identity.
  • the second establishing module includes: a fourth sending unit and a fifth receiving unit; wherein
  • the fourth sending unit is configured to send a second setup channel request to the source eNB;
  • the fifth receiving unit is configured to receive a second acknowledgement channel reply sent by the source eNB.
  • the fourth sending unit is configured to send a Data Fetch Request message to the source eNB, where the Data Fetch Request message includes the MBMS session identifier, and the target eNB is configured to receive the a GTP tunnel identifier corresponding to the MBMS session and a user equipment UE identifier corresponding to the MBMS session;
  • the fifth receiving unit is configured to receive a Data Fetch Response message sent by the source eNB, where the Data Fetch Response message includes at least the MBMS session identifier and the MBMS session performance parameter.
  • the Data Fetch Response message includes at least the MBMS session identifier and the MBMS session performance parameter.
  • the embodiment of the present invention further provides a system for message forwarding, where the system includes: a source eNB and a target eNB;
  • the source eNB is configured to establish a transmission channel with the target eNB according to a preset establishment policy, where the transmission tunnel includes a GTP tunnel;
  • the target eNB is configured to establish a transmission channel with the source eNB according to a preset establishment policy.
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores computer executable instructions, where the computer executable instructions are used in the source eNB according to the embodiment of the present invention.
  • the method of message forwarding is not limited to the embodiment of the present invention.
  • an embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores computer executable instructions, where the computer executable instructions are used to execute the present A method for applying message forwarding in a target eNB according to an embodiment of the invention.
  • Embodiments of the present invention provide a method, device, system, and computer storage medium for message forwarding.
  • a transmission channel such as a GTP tunnel is established between the source eNB and the target eNB, and the source eNB transmits the MBMS session carrying the V2X message to the target eNB through the transmission tunnel, thereby implementing forwarding of the V2X message between the adjacent eNBs. .
  • FIG. 1 is a schematic diagram of a network architecture according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for message forwarding according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of a method for establishing a transmission channel according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of another method for establishing a transmission channel according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a specific implementation manner according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic flowchart of another specific implementation manner according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic flowchart of still another specific implementation manner according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic flowchart of a complete solution according to an embodiment of the present invention.
  • FIG. 9 is a schematic flowchart of a method for applying message forwarding to a source eNB side according to an embodiment of the present disclosure
  • FIG. 10 is a schematic flowchart of a method for applying message forwarding to a target eNB side according to an embodiment of the present disclosure
  • FIG. 11 is a schematic structural diagram of a source eNB according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of another source eNB according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of still another source eNB according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of a target eNB according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of another target eNB according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram of still another target eNB according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of a system for message forwarding according to an embodiment of the present invention.
  • a local vehicle network E-TRAN server (local V2X E-UTRAN server), a local MBMS broadcast multicast service center (local MBMS BM-SC) and an MBMS gateway (MBMS GW) is all built in or coupled to the eNB.
  • the local V2X E-UTRAN server, the local MBMS BM-SC, and the MBMS GW are all built into the eNB as an example.
  • the remaining network element devices such as Mobility Management Entity (MME), Packet Data Network (P-GW), Service Gateway (S-GW, Serving GateWay), multi-cell/multicast coordination entity (MCE, Multi-cell/multicast Coordination Entity), etc.
  • MME Mobility Management Entity
  • P-GW Packet Data Network
  • S-GW Service Gateway
  • S-GW Serving GateWay
  • MCE multi-cell/multicast coordination entity
  • the application scenario in which the V2X message is forwarded by the X2 interface between the eNBs may include, but is not limited to, the following three scenarios:
  • Scenario 1 The V2X message is delivered by the MBMS bearer, and the diffusion area includes the neighboring base station. Therefore, the eNB1 needs to forward the data to the eNB2 through the X2 interface.
  • Scenario 2 The V2X message is sent by the eNB1 through the MBMS bearer.
  • the eNB2 requests the eNB1 to send the data sent and received by the MBMS bearer to the eNB2 through the X2 interface, and then the eNB2. It is delivered to the UE through unicast.
  • eNB1 also needs to forward data to eNB2 through the X2 interface;
  • Scenario 3 When the V2X message arrives at the eNB in a different manner than the MBMS bearer, if the eNB1 decides to forward the V2X message according to certain information, such as a geographical location or a target area in the message.
  • This V2X message is defined as a normal V2X message in the embodiment of the present invention.
  • the manner different from the MBMS bearer may include, but is not limited to, from UE.
  • a V2X message needs to be forwarded from eNB1 to eNB2 through an X2 interface; therefore, eNB1 may be referred to as a source eNB, and eNB2 may be referred to as a target eNB.
  • eNB1 may be referred to as a source eNB
  • eNB2 may be referred to as a target eNB.
  • various embodiments of the present invention are proposed.
  • a method for message forwarding provided by an embodiment of the present invention is provided, and the method may include:
  • the source eNB establishes a transmission channel with the target eNB according to a preset establishment policy.
  • the source eNB transmits the V2X message or the normal V2X message carried in the MBMS session to the target eNB through the transmission channel.
  • the transmission tunnel mentioned in this embodiment may include a general packet radio service technology tunneling protocol (GTP) tunnel, and the source eNB may carry the V2X message or the ordinary V2X message carried in the MBMS session. Transmission to the target eNB through the GTP tunnel.
  • GTP general packet radio service technology tunneling protocol
  • step S210 can include at least two cases as follows:
  • Case 1 The source eNB actively sends a request to the target eNB to establish a transmission channel.
  • Case 2 The source eNB passively receives the request sent by the target eNB to establish a transmission tunnel.
  • the source eNB may determine whether to establish a transmission channel with the target eNB according to the received control plane signaling or the user plane data.
  • the eNB1 receives the packet in the cell list indicated by the establishment of the MBMS session request sent by the upper layer network element, When the cell ID of the eNB2 is included, or if the packet header of the user plane data received by the eNB1 includes the cell ID of the eNB2, the eNB1 needs to establish a GTP tunnel for transmitting the MBMS session with the eNB2. Therefore, referring to FIG. 3, for the step S210, the source eNB establishes a transmission channel with the target eNB according to the preset establishment policy, which may specifically include:
  • the source eNB receives control plane signaling or user plane data from an upper layer network element.
  • the target eNB sends a first acknowledgement to the source eNB to establish a channel reply.
  • the source eNB may establish a transmission channel with the target eNB according to the request.
  • the source eNB may establish a transmission channel with the target eNB according to the request.
  • the preset establishment policy which may specifically include:
  • S410 The target eNB sends a second setup channel request to the source eNB.
  • S420 The source eNB sends a second acknowledgement to the target eNB to establish a channel reply.
  • the source eNB can establish a transmission channel such as a GTP tunnel with the target eNB, and the source eNB can transmit the MBMS session carrying the V2X message to the target eNB through the transmission tunnel, thereby being between the adjacent eNBs.
  • the forwarding of V2X messages is implemented.
  • the first setup channel request in step S320 can be established for X2 in the specific implementation process.
  • An X2 Setup Request message or an eNB Configuration Update message is received; correspondingly, the first acknowledgement establishment channel reply corresponds to an X2 Setup Response message or an eNB configuration update in a specific implementation process.
  • Confirm (eNB Configuration Update Acknowledge) message For the specific implementation of the two pairs of the first setup channel request and the first acknowledgement, the embodiment of the present invention provides two specific implementation manners corresponding to the step S320 and the step S330 in FIG. .
  • the specific implementation manner 1 may include:
  • S320A The source eNB sends an X2 Setup Request message to the target eNB.
  • the X2 Setup Request message includes at least one of an MBMS session identifier and an MBMS session performance parameter. Specifically, when the source eNB and the target eNB satisfy the first condition, the X2Setup Request message includes: an MBMS session identifier; when the source eNB and the target When the eNB satisfies the second condition, the X2 Setup Request message includes: an MBMS session identifier and an MBMS session performance parameter;
  • S330A After receiving the X2 Setup Request message, the target eNB sends an X2 Setup Response message to the source eNB.
  • the X2 Setup Response message includes an MBMS session identifier and a GTP tunnel identifier corresponding to the target eNB for receiving the MBMS session.
  • the MBMS session identifier may be a Temporary Mobile Group Identity (TMGI) or a session ID (session ID); the source eNB is configured to transmit the GTP tunnel corresponding to the MBMS session.
  • the identifier may be the GTP tunnel endpoint (GTP tunnel endpoint) corresponding to the source eNB for transmitting the MBMS session, and the MBMS session performance parameter may be the QoS (Quality of Service) configuration information of the MBMS session.
  • TMGI Temporary Mobile Group Identity
  • session ID session ID
  • the identifier may be the GTP tunnel endpoint (GTP tunnel endpoint) corresponding to the source eNB for transmitting the MBMS session
  • the MBMS session performance parameter may be the QoS (Quality of Service) configuration information of the MBMS session.
  • the source eNB and the destination The target eNB uses the joint configuration in the MBMS configuration.
  • the source eNB and the target eNB coordinate the operation and maintenance (OAM), that is, the source eNB and the target eNB know each other's TMGI or session ID.
  • OAM operation and maintenance
  • the QoS configuration information of the MBMS session when the source eNB establishes a GTP tunnel with the target eNB for the MBMS session, the first data acquisition request (Data Fetch Request) message may only carry the TMGI or the session ID;
  • the source eNB and the target eNB use the independent configuration in the MBMS configuration, for example, the two eNBs are respectively connected to different MBMS control nodes and there is no coordination between the MBMS control nodes, that is, the source eNB and the target eNB do not know each other's TMGI. Or the QoS configuration information of the MBMS session corresponding to the session ID, if the source eNB establishes a GTP tunnel with the target eNB for the MBMS session, the first Data Fetch Request message needs to carry the QoS configuration information of the MBMS session.
  • the target eNB may send an X2 Setup Failure message to the source eNB.
  • the specific implementation manner 2 may include:
  • S320B The source eNB sends an eNB Configuration Update message to the target eNB.
  • the eNB Configuration Update message includes at least one of the MBMS session identifier and the MBMS session performance parameter. Specifically, when the source eNB and the target eNB meet the first condition, the eNB Configuration Update message includes: an MBMS session identifier; When the source eNB and the target eNB meet the second condition, the eNB Configuration Update message includes: an MBMS session identifier and an MBMS session performance parameter;
  • the eNB Configuration Update Acknowledge message includes an MBMS session identifier and a GTP tunnel identifier corresponding to the target eNB for receiving the MBMS session.
  • the specific content of the MBMS session identifier, the MBMS session performance parameter, the GTP tunnel identifier, and the first condition and the second condition are the same as those in the specific implementation manner, and details are not described herein again.
  • the target eNB may send an eNB Configuration Update Failure message to the source eNB.
  • the channel request includes an X2 Setup Request message or an eNB Configuration Update message, where the X2 Setup Request message or the eNB Configuration Update message is used to indicate that the target eNB establishes a GTP tunnel for forwarding a normal V2X message; and the X2 Setup Request message or The eNB Configuration Update message includes at least one of a service type, a performance parameter, and a data forwarding instruction;
  • the first acknowledgement establishment channel reply correspondence includes an X2 Setup Response message or an eNB Configuration Update Acknowledge message, where the X2 Setup Response message or the eNB Configuration Update Acknowledge message is used to indicate the GTP tunnel information established by the target eNB for the service.
  • the X2 Setup Response message or the eNB Configuration Update Acknowledge message includes at least one of a service type, a performance parameter, and a GTP tunnel identity.
  • the service type may be a V2X message, or may be subdivided into V2X messages of different priorities; the performance parameter may be a delay requirement of the message, and the GTP tunnel identifier may be a GTP. Tunnel Endpoint.
  • the specific implementation manner provided by the embodiment of the present invention may include:
  • S410A The target eNB sends a Data Fetch Request message to the source eNB.
  • the data Fetch Request message includes an MBMS session identifier, a GTP tunnel identifier corresponding to the target eNB for receiving the MBMS session, and a user equipment UE identifier corresponding to the MBMS session.
  • S420A The source eNB sends a Data Fetch Response message to the target eNB.
  • the data Fetch Response message includes at least one of the MBMS session identifier and the MBMS session performance parameter. Specifically, when the source eNB and the target eNB meet the first condition, the Data Fetch Response message includes: an MBMS session identifier; When the source eNB and the target eNB meet the second condition, the Data Fetch Response message includes: an MBMS session identifier and an MBMS session performance parameter.
  • the specific content of the MBMS session identifier, the MBMS session performance parameter, the GTP tunnel identifier, and the first condition and the second condition are the same as the specific implementation manner of the first case, and are no longer Narration.
  • the target eNB sends the second setup channel request to the source eNB due to the handover eNB of the UE, so that the UE needs to initiate a request to the eNB2, and it is hoped that the complete V2X message has not been received by the MBMS bearer on the eNB1 before the handover can be obtained. Therefore, the Data Fetch Request message also needs to include the UE identifier corresponding to the MBMS session.
  • the UE identifier may include: a Cell Radio Network Temporary Identifier (C-RTNI) or a short MAC-I of the target eNB2. logo.
  • C-RTNI Cell Radio Network Temporary Identifier
  • the source eNB rejects The source eNB may send a Data Fetch Reject message to the target eNB to reject the first Data Fetch Request message sent by the target eNB.
  • the Cause value in the Data Fetch Reject message may include, but is not limited to, no data buffered; no data buffered indicates that there is no data buffer.
  • the target eNB sends the second setup channel request to the source eNB. Therefore, referring to FIG. 8, the complete solution of the specific implementation manner may include:
  • S401 The UE moves to the cell edge of the source eNB, and triggers a measurement report (Measurement Report);
  • the source eNB sends a handover request (HO request) message to the target eNB.
  • HO request handover request
  • the target eNB returns a handover request acknowledgement (HO request ACK) message to the source eNB.
  • HO request ACK handover request acknowledgement
  • the source eNB sends the handover information returned by the target eNB to the UE by using an RRC connection reconfiguration message.
  • the UE After accessing the target eNB, the UE sends an MBMS Service Continuity Request message to the target eNB.
  • the MBMS Service Continuity Request message includes at least a TMGI or a session ID of the MBMS session;
  • S410A The target eNB sends a Data Fetch Request message to the source eNB.
  • the Data Fetch Request message includes at least TMGI or session ID information of the MBMS session and a GTP tunnel endpoint and a UE ID of the target eNB;
  • S420A The source eNB sends a Data Fetch Response message to the target eNB.
  • the Data Fetch Response message carries the TMGI or session ID of the MBMS session; or additionally carries the QoS configuration information of the MBMS session.
  • S430 The source eNB forwards the V2X message sent by the MBMS session after the UE handover to the target eNB through the established GTP tunnel.
  • the source eNB can establish a transmission channel such as a GTP tunnel with the target eNB, and the source eNB can transmit the MBMS session carrying the V2X message to the target eNB through the transmission tunnel, thereby Forwarding of V2X messages is implemented between neighboring eNBs.
  • the method may include:
  • the source eNB establishes a transmission channel with the target eNB according to a preset establishment policy.
  • the transmission tunnel includes a GTP tunnel.
  • the source eNB transmits the V2X message or the normal V2X message carried in the MBMS session to the target eNB through the transmission channel.
  • the source eNB establishes a transmission channel with the target eNB according to the preset establishment policy, and specifically includes:
  • the source eNB receives control plane signaling or user plane data from an upper layer network element
  • the source eNB sends a first setup channel request to the target eNB;
  • the source eNB receives the first acknowledgement channel response sent by the target eNB.
  • the source eNB when the V2X message is a V2X message that is carried in an MBMS session, the source eNB sends a first setup channel request to the target eNB, where the method includes: the source eNB sends an X2 Setup Request message to the target eNB. ;
  • the X2 Setup Request message includes at least one of the MBMS session identifier and the MBMS session performance parameter. Specifically, when the source eNB and the target eNB meet the first condition, the X2 Setup Request message includes: an MBMS session. Identification; when the source eNB and When the target eNB meets the second condition, the X2 Setup Request message includes: an MBMS session identifier and an MBMS session performance parameter;
  • the source eNB receives the first acknowledgement channel response sent by the target eNB, and specifically includes:
  • the source eNB receives the X2Setup Response message sent by the target eNB after receiving the X2 Setup Request message, where the X2 Setup Response message includes the MBMS session identifier and the GTP tunnel identifier corresponding to the target eNB for receiving the MBMS session.
  • the source eNB sends the first setup channel request to the target eNB, where the method includes: the source eNB sends an eNB Configuration Update message to the target eNB;
  • the eNB Configuration Update message includes at least one of the MBMS session identifier and the MBMS session performance parameter. Specifically, when the source eNB and the target eNB satisfy the first condition, the eNB Configuration Update message includes: an MBMS session. When the source eNB and the target eNB meet the second condition, the eNB Configuration Update message includes: an MBMS session identifier and an MBMS session performance parameter;
  • the source eNB receives the first acknowledgement channel response sent by the target eNB, and specifically includes:
  • the source eNB receives an eNB Configuration Update Acknowledge message sent by the target eNB after receiving the eNB Configuration Update message; wherein the eNB Configuration Update Acknowledge message includes the MBMS session identifier and the GTP tunnel identifier corresponding to the target eNB for receiving the MBMS session.
  • the source eNB establishes a transmission channel with the target eNB according to the preset establishment policy, and specifically includes:
  • the source eNB receives the second setup channel request sent by the target eNB;
  • the source eNB sends a second acknowledgement to the target eNB to establish a channel reply.
  • the source eNB receives the second established channel sent by the target eNB.
  • the request includes: receiving, by the source eNB, a Data Fetch Request message sent by the target eNB;
  • the data Fetch Request message includes an MBMS session identifier, a GTP tunnel identifier corresponding to the target eNB for receiving the MBMS session, and a user equipment UE identifier corresponding to the MBMS session.
  • the source eNB sends a second acknowledgement to the target eNB to establish a channel reply, which specifically includes:
  • the source eNB sends a Data Fetch Response message to the target eNB, where the Data Fetch Response message includes at least one of the MBMS session identifier and the MBMS session performance parameter; specifically, when the source eNB and the target eNB satisfy the first In the case of a condition, the Data Fetch Response message includes: an MBMS session identifier; when the source eNB and the target eNB satisfy the second condition, the Data Fetch Response message includes: an MBMS session identifier and an MBMS session performance parameter.
  • This embodiment provides a method for message forwarding applied to a source eNB side, where a source eNB can establish a transmission channel such as a GTP tunnel with a target eNB, and the source eNB can perform an MBMS session carrying a V2X message through the transmission tunnel.
  • the transmission to the target eNB enables forwarding of V2X messages between adjacent eNBs.
  • the method may include:
  • the target eNB establishes a transmission channel with the source eNB according to a preset establishment policy.
  • the transmission tunnel includes a GTP tunnel
  • the target eNB receives, by using the transmission channel, a V2X message or a normal V2X message carried by the source eNB and carried in the MBMS session.
  • the target eNB establishes a transmission channel with the source eNB according to the preset establishment policy, which specifically includes:
  • the target eNB receives the first setup channel request sent by the source eNB;
  • the target eNB sends a first acknowledgement to the source eNB to establish a channel reply.
  • the target eNB receives the first setup channel request sent by the source eNB, where the target eNB receives the X2 Setup Request message sent by the source eNB.
  • the X2 Setup Request message includes at least one of the MBMS session identifier and the MBMS session performance parameter. Specifically, when the source eNB and the target eNB meet the first condition, the X2 Setup Request message includes: an MBMS session. When the source eNB and the target eNB meet the second condition, the X2 Setup Request message includes: an MBMS session identifier and an MBMS session performance parameter;
  • the target eNB sends a first acknowledgement to the source eNB to establish a channel reply, which specifically includes:
  • the target eNB After receiving the X2 Setup Request message, the target eNB sends an X2 Setup Response message to the source eNB.
  • the X2 Setup Response message includes an MBMS session identifier and a GTP tunnel identifier corresponding to the target eNB for receiving the MBMS session.
  • the target eNB receives the first setup channel request sent by the source eNB, where the target eNB receives the eNB Configuration Update message sent by the source eNB.
  • the eNB Configuration Update message includes at least one of the MBMS session identifier and the MBMS session performance parameter. Specifically, when the source eNB and the target eNB satisfy the first condition, the eNB Configuration Update message includes: an MBMS session. When the source eNB and the target eNB meet the second condition, the eNB Configuration Update message includes: an MBMS session identifier and an MBMS session performance parameter;
  • the target eNB sends a first acknowledgement to the source eNB to establish a channel reply, which specifically includes:
  • the target eNB After receiving the eNB Configuration Update message, the target eNB sends an eNB Configuration Update Acknowledge message to the source eNB.
  • the eNB Configuration Update Acknowledge message includes the MBMS session identifier and the GTP tunnel identifier corresponding to the target eNB for receiving the MBMS session.
  • the first setup channel request includes an X2 Setup Request message or an eNB Configuration Update message; wherein the X2 Setup Request message or the eNB Configuration Update message is used to indicate The target eNB establishes a GTP tunnel for forwarding a normal V2X message; and the X2 Setup Request message or the eNB Configuration Update message includes at least one of a service type, a performance parameter, and a data forwarding instruction data forwarding;
  • the first acknowledgement establishment channel reply correspondence includes an X2 Setup Response message or an eNB Configuration Update Acknowledge message, where the X2 Setup Response message or the eNB Configuration Update Acknowledge message is used to indicate the GTP tunnel information established by the target eNB for the service.
  • the X2 Setup Response message or the eNB Configuration Update Acknowledge message includes at least one of the service type, the performance parameter, and the GTP tunnel identity.
  • the target eNB establishes a transmission channel with the source eNB according to the preset establishment policy, which specifically includes:
  • the target eNB sends a second setup channel request to the source eNB;
  • the target eNB receives the second acknowledgement channel reply sent by the source eNB.
  • the target eNB sends a second setup channel request to the source eNB, where the target eNB sends a Data Fetch Request message to the source eNB.
  • the data Fetch Request message includes an MBMS session identifier, a GTP tunnel identifier corresponding to the target eNB for receiving the MBMS session, and a user equipment UE identifier corresponding to the MBMS session.
  • the target eNB receives the second acknowledgement channel response sent by the source eNB, and specifically includes:
  • the target eNB receives a Data Fetch Response message sent by the source eNB, where the Data Fetch Response message includes the MBMS session identifier and the MBMS session At least one of the performance parameters; specifically, when the source eNB and the target eNB satisfy the first condition, the Data Fetch Response message includes: an MBMS session identifier; and when the source eNB and the target eNB satisfy the second condition, the Data Fetch Response message Including: MBMS session identification and MBMS session performance parameters.
  • a source eNB 110 is provided in the embodiment of the present invention.
  • the source eNB 110 may include: a first establishing module 1101 and a transmitting module 1102;
  • the first establishing module 1101 is configured to establish a transmission channel with the target eNB according to a preset establishment policy, where the transmission tunnel includes a GTP tunnel;
  • the transmission module 1102 is configured to transmit a V2X message or a normal V2X message carried in an MBMS session to the target eNB through the transmission channel.
  • the first establishing module 1101 includes: a first receiving unit 11011, a first sending unit 11012, and a second receiving unit 11013;
  • the first receiving unit 11011 is configured to receive control plane signaling or user plane data from an upper layer network element.
  • the first sending unit 11012 is configured to send a first setup channel request to the target eNB when the control plane signaling or the user plane data includes the cell identifier of the target eNB;
  • the second receiving unit 11013 is configured to receive a first acknowledgement channel response sent by the target eNB.
  • the first sending unit 11012 is configured to: send an X2Setup Request message to the target eNB;
  • the X2 Setup Request message includes the MBMS session identifier and the At least one of the MBMS session performance parameters; specifically, when the source eNB and the target eNB satisfy the first condition, the X2 Setup Request message includes: the MBMS session identifier; when the source eNB and the When the target eNB meets the second condition, the X2 Setup Request message includes: the MBMS session identifier and the MBMS session performance parameter;
  • the second receiving unit 11013 is configured to:
  • the first sending unit 11012 is configured to: send an eNB Configuration Update message to the target eNB;
  • the eNB Configuration Update message includes at least one of the MBMS session identifier and the MBMS session performance parameter; specifically, when the source eNB and the target eNB meet the first condition, the eNB Configuration The Update message includes: the MBMS session identifier; when the source eNB and the target eNB meet the second condition, the eNB Configuration Update message includes: the MBMS session identifier and the MBMS session performance parameter;
  • the second receiving unit 11013 is configured to:
  • the target eNB Receiving an eNB Configuration Update Acknowledge message sent by the target eNB after accepting the eNB Configuration Update message; wherein the eNB Configuration Update Acknowledge message includes the MBMS session identifier and the target eNB is configured to receive the MBMS session The corresponding GTP tunnel identifier.
  • the first setup channel request includes an X2 Setup Request message or an eNB Configuration Update message;
  • the X2 Setup Request message or the eNB Configuration Update message is used to indicate that the target eNB establishes a GTP tunnel for forwarding a normal V2X message; and the X2 Setup Request message or the eNB Configuration Update message includes a service type, a performance parameter, and a data forwarding. Directing at least one of data forwarding;
  • the first acknowledgement establishment channel reply correspondence includes an X2 Setup Response message or an eNB Configuration Update Acknowledge message, where the X2 Setup Response message or the eNB Configuration Update Acknowledge message is used to indicate the GTP tunnel information established by the target eNB for the service.
  • the X2 Setup Response message or the eNB Configuration Update Acknowledge message includes at least one of the service type, the performance parameter, and the GTP tunnel identity.
  • the first establishing module 1101 specifically includes: a third receiving unit 11014 and a second sending unit 11015;
  • the third receiving unit 11014 is configured to receive a second setup channel request sent by the target eNB;
  • the second sending unit 11015 is configured to send a second acknowledgement establishment channel reply to the target eNB.
  • the third receiving unit 11014 is configured to receive a Data Fetch Request message sent by the target eNB, where the Data Fetch Request message includes the MBMS session identifier and the target eNB. Receiving the GTP tunnel identifier corresponding to the MBMS session and the user equipment UE identifier corresponding to the MBMS session;
  • the second sending unit 11015 is configured to send a Data Fetch Response message to the target eNB, where the Data Fetch Response message includes at least one of the MBMS session identifier and the MBMS session performance parameter.
  • the Data Fetch Response message includes: the MBMS session identifier; when the source eNB and the target eNB meet the second condition, The Data Fetch Response message includes: the MBMS session identifier and the MBMS session performance parameter.
  • the first establishing module 1101 and the transmitting module 1102 (including each subunit) in the source eNB may pass through a communication module (including: basic communication suite, operating system, communication module, and standardization) in practical applications. Interface and protocol, etc.) and transceiver antenna implementation.
  • a communication module including: basic communication suite, operating system, communication module, and standardization
  • the target eNB 140 may include: a second establishing module 1401 and a receiving module 1402.
  • the second establishing module 1401 is configured to establish a transmission channel with the source eNB according to a preset establishment policy, where the transmission tunnel includes a GTP tunnel;
  • the receiving module 1402 is configured to receive, by using the transmission channel, a V2X message or a normal V2X message carried by the source eNB and carried in an MBMS session.
  • the second establishing module 1401 includes: a fourth receiving unit 14011 and a third sending unit 14012;
  • the fourth receiving unit 14011 is configured to receive a first setup channel request sent by the source eNB;
  • the third sending unit 14012 is configured to send a first acknowledgement establishment channel reply to the source eNB.
  • the fourth receiving unit 14011 is configured to: receive an X2 Setup Request message sent by the source eNB;
  • the X2 Setup Request message includes at least one of the MBMS session identifier and the MBMS session performance parameter; specifically, when the source eNB and the target eNB meet the first condition, the X2 Setup Request
  • the message includes: the MBMS session identifier; when the source eNB and the target eNB meet the second
  • the X2 Setup Request message includes: the MBMS session identifier and the MBMS session performance parameter;
  • the third sending unit 14012 is configured to send an X2 Setup Response message to the source eNB, where the X2 Setup Response message includes the MBMS session identifier and the target eNB is configured to receive the MBMS session.
  • the corresponding GTP tunnel identifier is configured to send an X2 Setup Response message to the source eNB, where the X2 Setup Response message includes the MBMS session identifier and the target eNB is configured to receive the MBMS session.
  • the corresponding GTP tunnel identifier The corresponding GTP tunnel identifier.
  • the fourth receiving unit 14011 is configured to: receive an eNB Configuration Update message sent by the source eNB;
  • the eNB Configuration Update message includes at least one of the MBMS session identifier and the MBMS session performance parameter; specifically, when the source eNB and the target eNB meet the first condition, the eNB Configuration The Update message includes: the MBMS session identifier; when the source eNB and the target eNB meet the second condition, the eNB Configuration Update message includes: the MBMS session identifier and the MBMS session performance parameter;
  • the third sending unit 14012 is configured to send an eNB Configuration Update Acknowledge message to the source eNB, where the eNB Configuration Update Acknowledge message includes the MBMS session identifier and the target eNB is configured to receive the The GTP tunnel identifier corresponding to the MBMS session.
  • the first setup channel request includes an X2 Setup Request message or an eNB Configuration Update message; wherein the X2 Setup Request message or the eNB Configuration Update message is configured to indicate The target eNB establishes a GTP tunnel configured to forward a normal V2X message; and the X2 Setup Request message or the eNB Configuration Update message includes at least one of a service type, a performance parameter, and a data forwarding instruction data forwarding;
  • the first acknowledgement establishment channel reply correspondence includes an X2 Setup Response message or an eNB Configuration Update Acknowledge message; wherein the X2 Setup Response The message or eNB Configuration Update Acknowledge message is used to indicate GTP tunnel information established by the target eNB for the service; and the X2 Setup Response message or the eNB Configuration Update Acknowledge message includes at least the service type, the performance parameter, and the GTP tunnel identifier.
  • the X2 Setup Response message or the eNB Configuration Update Acknowledge message includes at least the service type, the performance parameter, and the GTP tunnel identifier.
  • the second establishing module 1401 specifically includes: a fourth sending unit 14013 and a fifth receiving unit 14014;
  • the fourth sending unit 14013 is configured to send a second setup channel request to the source eNB;
  • the fifth receiving unit 14014 is configured to receive a second acknowledgement channel reply sent by the source eNB.
  • the fourth sending unit 14013 is configured to send a Data Fetch Request message to the source eNB, where the Data Fetch Request message includes the MBMS session identifier and the target eNB. Receiving the GTP tunnel identifier corresponding to the MBMS session and the user equipment UE identifier corresponding to the MBMS session;
  • the fifth receiving unit 14014 is configured to receive a Data Fetch Response message sent by the source eNB, where the Data Fetch Response message includes the MBMS session identifier and the MBMS session performance parameter. At least one item; specifically, when the source eNB and the target eNB satisfy the first condition, the Data Fetch Response message includes: the MBMS session identifier; when the source eNB and the target eNB meet the second In the case of the condition, the Data Fetch Response message includes: the MBMS session identifier and the MBMS session performance parameter.
  • the second establishing module 1401 and the receiving module 1402 (including each subunit) in the target eNB may pass through a communication module (including: basic communication suite, operating system, communication module, and standardization) in practical applications. Interface and protocol, etc.) and transceiver antenna implementation.
  • a communication module including: basic communication suite, operating system, communication module, and standardization
  • system 170 for message forwarding may include: a source eNB 110 and a target eNB 140;
  • the source eNB 110 is configured to establish a transmission channel with the target eNB 140 according to a preset establishment policy, where the transmission tunnel includes a GTP tunnel;
  • the target eNB 140 is configured to establish a transmission channel with the source eNB 110 according to a preset establishment policy.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • These computer program instructions can also be stored in a bootable computer or other programmable data processing
  • the apparatus is readable in a computer readable memory in a particular manner such that instructions stored in the computer readable memory produce an article of manufacture comprising instruction means implemented in one or more flows and/or block diagrams of the flowchart The function specified in the box or in multiple boxes.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
  • the technical solution of the embodiment of the present invention establishes a transmission channel such as a GTP tunnel between the source eNB and the target eNB, and the source eNB transmits the MBMS session carrying the V2X message to the target eNB through the transmission tunnel, thereby being in the adjacent eNB.
  • the forwarding of V2X messages is implemented.

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Abstract

本发明实施例公开了一种消息转发的方法、设备、***和计算机存储介质;该方法可以包括:源演进型基站(eNB)按照预设的建立策略建立与目标eNB之间的传输通道;其中,所述传输隧道包括通用分组无线服务技术隧道协议(GTP)隧道;所述源eNB将承载在MBMS会话中的V2X消息或普通V2X消息通过所述传输通道传输至所述目标eNB。

Description

一种消息转发的方法、设备、***和计算机存储介质 技术领域
本发明涉及无线通信技术,尤其涉及一种消息转发的方法、设备、***和计算机存储介质。
背景技术
随着社会经济的快速发展,道路交通安全问题日益突出。随着信息通信技术的发展,通过车辆与车辆、车辆与基础设施之间的通信来加强人们对车辆周围环境的判断,当探测到道路危险情况发生时,向驾驶员提供及时的预警,来避免交通碰撞成为当前国内外研究机构和企业的研究热点,人们将这种技术称为车联网(V2X,Vehicle to X)。
V2X是指通过装载在车辆上的传感器、车载终端及电子标签提供车辆信息,采用多种通信技术实现车与车通信(V2V,Vehicle-to-Vehicle Communication)、车与人通信(V2P,Vehicle-to-Pedestrian Communications)、车与网络基础设施通信(V2I,Vehicle-to-Infrastructure Communications),车与网络(V2N,Vehicle-to-Network Communications)通信,并在信息网络平台上对信息进行提取、共享等有效利用,对车辆进行有效的管控和提供综合服务。
目前,第三代合作伙伴计划(3GPP,3rd Generation Partnership Project)正在讨论基于长期演进(LTE,Long Term Evolution)网路架构下的V2X。并且在当前的讨论中,认为演进的UMTS陆地无线接入网(E-UTRAN,Evolved UMTS Terrestrial Radio Access Network)可以通过多媒体广播/组播业务(MBMS,Multimedia Broadcast Multicast Service)技术或者单小区点到多点(SC-PTM,Single-cell point-to multiple point)技术来将V2X消息下 行广播给局部区域的多个用户设备(UE,User Equipment)。
但是,在MBMS的下行广播过程中,无法在相邻的演进型基站(eNB,evolved Node B)之间进行V2X消息的转发。
发明内容
为解决上述技术问题,本发明实施例期望提供一种消息转发的方法、设备和***,能够在相邻的eNB之间实现V2X消息的转发。
本发明实施例的技术方案是这样实现的:
第一方面,本发明实施例提供了一种消息转发的方法;所述方法包括:
源eNB按照预设的建立策略建立与目标eNB之间的传输通道;其中,所述传输隧道包括通用分组无线服务技术隧道协议GTP隧道;
所述源eNB将承载在多媒体广播/组播业务MBMS会话中的车联网V2X消息或普通车联网V2X消息通过所述传输通道传输至所述目标eNB。
在一实施例中,所述源eNB按照预设的建立策略建立与目标eNB之间的传输通道,包括:
所述源eNB从上层网元接收控制面信令或用户面数据;
当所述控制面信令或所述用户面数据中包括所述目标eNB的小区标识时,所述源eNB向所述目标eNB发送第一建立通道请求;
所述源eNB接收所述目标eNB发送的第一确认建立通道回复。
在一实施例中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述源eNB向所述目标eNB发送第一建立通道请求,包括:
所述源eNB向所述目标eNB发送X2 Setup Request消息;其中,所述X2 Setup Request消息包括所述MBMS会话标识与所述MBMS会话性能参数中的至少一项;
相应地,所述源eNB接收所述目标eNB发送的第一确认建立通道回复,具体包括:
所述源eNB接收所述目标eNB在接受所述X2 Setup Request消息之后所发送的X2 Setup Response消息;其中,所述X2 Setup Response消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
在一实施例中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述源eNB向所述目标eNB发送第一建立通道请求,包括:
所述源eNB向所述目标eNB发送eNB Configuration Update消息;其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
相应地,所述源eNB接收所述目标eNB发送的第一确认建立通道回复,具体包括:
所述源eNB接收所述目标eNB在接受所述eNB Configuration Update消息之后所发送的eNB Configuration Update Acknowledge消息;其中,所述eNB Configuration Update Acknowledge消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
在一实施例中,当所述V2X消息为普通车联网V2X消息时,第一建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其中,所述X2 Setup Request消息或eNB Configuration Update消息用于指示目标eNB建立用于转发普通车联网V2X消息的GTP隧道;且所述X2 Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令data forwarding中的至少一项;
相应地,第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或eNB  Configuration Update Acknowledge消息包括所述业务类型、性能参数以及GTP隧道标识中的至少一项。
在一实施例中,所述源eNB按照预设的建立策略建立与目标eNB之间的传输通道,包括:
所述源eNB接收所述目标eNB发送的第二建立通道请求;
所述源eNB向所述目标eNB发送第二确认建立通道回复。
在一实施例中,所述源eNB接收所述目标eNB发送的第二建立通道请求,包括:
所述源eNB接收所述目标eNB发送的Data Fetch Request消息;其中,所述Data Fetch Request消息包括所述MBMS会话标识、所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识及所述MBMS会话对应的用户设备UE标识中的至少一项;
相应地,所述源eNB向所述目标eNB发送第二确认建立通道回复,具体包括:
所述源eNB向所述目标eNB发送Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项。
第二方面,本发明实施例还提供了一种消息转发的方法,所述方法包括:
按照预设的建立策略,目标eNB与源eNB建立传输通道;其中,所述传输隧道包括通用分组无线服务技术隧道协议GTP隧道;
所述目标eNB通过所述传输通道接收由所述源eNB传输的承载在多媒体广播/组播业务MBMS会话中的车联网V2X消息或普通车联网V2X消息。
在一实施例中,按照预设的建立策略,所述目标eNB与所述源eNB建 立传输通道,包括:
所述目标eNB接收所述源eNB发送的第一建立通道请求;
所述目标eNB向所述源eNB发送第一确认建立通道回复。
在一实施例中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述目标eNB接收所述源eNB发送的第一建立通道请求,包括:
所述目标eNB接收由所述源eNB发送的X2 Setup Request消息;其中,所述X2 Setup Request消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
相应地,所述目标eNB向所述源eNB发送第一确认建立通道回复,包括:
所述目标eNB在接受所述X2 Setup Request消息之后,向所述源eNB发送X2 Setup Response消息;其中,所述X2 Setup Response消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
在一实施例中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述目标eNB接收所述源eNB发送的第一建立通道请求,包括:
所述目标eNB接收由所述源eNB发送的eNB Configuration Update消息;其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
相应地,所述目标eNB向所述源eNB发送第一确认建立通道回复,具体包括:所述目标eNB在接受所述eNB Configuration Update消息之后,向所述源eNB发送eNB Configuration Update Acknowledge消息;其中,所述eNB Configuration Update Acknowledge消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
在一实施例中,当所述V2X消息为普通车联网V2X消息时,所述第一 建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其中,所述X2 Setup Request消息或eNB Configuration Update消息用于指示目标eNB建立用于转发普通车联网V2X消息的GTP隧道;且所述X2Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令data forwarding中的至少一项;
相应地,所述第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息包括所述业务类型、性能参数以及GTP隧道标识中的至少一项。
在一实施例中,按照预设的建立策略,所述目标eNB与所述源eNB建立传输通道,包括:
所述目标eNB向所述源eNB发送第二建立通道请求;
所述目标eNB接收由所述源eNB发送的第二确认建立通道回复。
在一实施例中,所述目标eNB向所述源eNB发送第二建立通道请求,包括:
所述目标eNB向所述源eNB发送Data Fetch Request消息;其中,所述Data Fetch Request消息包括所述MBMS会话标识、所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识及所述MBMS会话对应的用户设备UE标识;
相应地,所述目标eNB接收由所述源eNB发送的第二确认建立通道回复,具体包括:
所述目标eNB接收由所述源eNB所发送的Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述 MBMS会话性能参数中的至少一项。
第三方面,本发明实施例还提供了一种源eNB,所述源eNB包括:第一建立模块和传输模块;其中,
所述第一建立模块,配置为按照预设的建立策略建立与目标eNB之间的传输通道;其中,所述传输隧道包括GTP隧道;
所述传输模块,配置为将承载在多媒体广播/组播业务MBMS会话中的车联网V2X消息或普通车联网V2X消息通过所述传输通道传输至所述目标eNB。
在一实施例中,所述第一建立模块,包括:第一接收单元、第一发送单元和第二接收单元;其中,
所述第一接收单元,配置为从上层网元接收控制面信令或用户面数据;
所述第一发送单元,配置为当所述控制面信令或所述用户面数据中包括所述目标eNB的小区标识时,向所述目标eNB发送第一建立通道请求;
所述第二接收单元,配置为接收所述目标eNB发送的第一确认建立通道回复。
在一实施例中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述第一发送单元,配置为:向所述目标eNB发送X2 Setup Request消息;
其中,所述X2 Setup Request消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
相应地,所述第二接收单元,配置为:
接收所述目标eNB在接受所述X2 Setup Request消息之后所发送的X2Setup Response消息;其中,所述X2 Setup Response消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
在一实施例中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述第一发送单元,配置为:向所述目标eNB发送eNB Configuration Update消息;
其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
相应地,所述第二接收单元,具体配置为:
接收所述目标eNB在接受所述eNB Configuration Update消息之后所发送的eNB Configuration Update Acknowledge消息;其中,所述eNB Configuration Update Acknowledge消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
在一实施例中,当所述V2X消息为普通车联网V2X消息时,所述第一建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其中,所述X2 Setup Request消息或eNB Configuration Update消息用于指示目标eNB建立用于转发普通车联网V2X消息的GTP隧道;且所述X2Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令data forwarding中的至少一项;
相应地,所述第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息包括所述业务类型、性能参数以及GTP隧道标识中的至少一项。
在一实施例中,所述第一建立模块,包括:第三接收单元和第二发送单元;其中,
所述第三接收单元,配置为接收所述目标eNB发送的第二建立通道请 求;
所述第二发送单元,配置为向所述目标eNB发送第二确认建立通道回复。
在一实施例中,所述第三接收单元,配置为接收所述目标eNB发送的Data Fetch Request消息;其中,所述Data Fetch Request消息包括所述MBMS会话标识、所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识及所述MBMS会话对应的用户设备UE标识;
相应地,所述第二发送单元,配置为向所述目标eNB发送Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项。
第四方面,本发明实施例还提供了一种目标eNB,所述目标eNB包括:第二建立模块和接收模块;其中,
所述第二建立模块,配置为按照预设的建立策略,与源eNB建立传输通道;其中,所述传输隧道包括GTP隧道;
所述接收模块,配置为通过所述传输通道接收由所述源eNB传输的承载在多媒体广播/组播业务MBMS会话中的车联网V2X消息或普通车联网V2X消息。
在一实施例中,所述第二建立模块,包括:第四接收单元和第三发送单元;其中,
所述第四接收单元,配置为接收所述源eNB发送的第一建立通道请求;
所述第三发送单元,配置为向所述源eNB发送第一确认建立通道回复。
在一实施例中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述第四接收单元,配置为:接收由所述源eNB发送的X2 Setup Request消息;其中,所述X2 Setup Request消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
相应地,所述第三发送单元,配置为向所述源eNB发送X2 Setup Response消息;其中,所述X2 Setup Response消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
在一实施例中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述第四接收单元,配置为:接收由所述源eNB发送的eNB Configuration Update消息;其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
相应地,所述第三发送单元,配置为向所述源eNB发送eNB Configuration Update Acknowledge消息;其中,所述eNB Configuration Update Acknowledge消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
在一实施例中,当所述V2X消息为普通车联网V2X消息时,所述第一建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其中,所述X2 Setup Request消息或eNB Configuration Update消息用于指示目标eNB建立用于转发普通车联网V2X消息的GTP隧道;且所述X2Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令data forwarding中的至少一项;
相应地,所述第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息包括所述业务类型、性能参数以及GTP隧道标识中的至少一项。
在一实施例中,所述第二建立模块,包括:第四发送单元和第五接收单元;其中,
所述第四发送单元,配置为向所述源eNB发送第二建立通道请求;
所述第五接收单元,配置为接收由所述源eNB发送的第二确认建立通道回复。
在一实施例中,所述第四发送单元,配置为向所述源eNB发送Data Fetch Request消息;其中,所述Data Fetch Request消息包括所述MBMS会话标识、所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识及所述MBMS会话对应的用户设备UE标识;
相应地,所述第五接收单元,配置为接收由所述源eNB所发送的Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项。
第五方面,本发明实施例还提供了一种消息转发的***,所述***包括:源eNB和目标eNB;其中,
所述源eNB,配置为按照预设的建立策略建立与所述目标eNB之间的传输通道;其中,所述传输隧道包括GTP隧道;
以及,将承载在多媒体广播/组播业务MBMS会话中的车联网V2X消息或普通车联网V2X消息通过所述传输通道传输至所述目标eNB;
所述目标eNB,配置为按照预设的建立策略,与所述源eNB建立传输通道;
以及,通过所述传输通道接收由所述源eNB传输的承载在MBMS会话中的V2X消息或普通车联网V2X消息。
第六方面,本发明实施例还提供了一种计算机存储介质,所述计算机存储介质中存储有计算机可执行指令,所述计算机可执行指令用于本发明实施例所述的应用于源eNB中的消息转发的方法。
第七方面,本发明实施例还提供了一种计算机存储介质,所述计算机存储介质中存储有计算机可执行指令,所述计算机可执行指令用于执行本 发明实施例所述的应用于目标eNB中的消息转发的方法。
本发明实施例提供了一种消息转发的方法、设备、***和计算机存储介质。通过源eNB与目标eNB之间建立诸如GTP隧道的传输通道,并且源eNB通过该传输隧道将承载有V2X消息的MBMS会话传输至目标eNB,从而在相邻的eNB之间实现了V2X消息的转发。
附图说明
图1为本发明实施例提供的一种网络架构示意图;
图2为本发明实施例提供的一种消息转发的方法流程示意图;
图3为本发明实施例提供的一种建立传输通道的方法流程示意图;
图4为本发明实施例提供的另一种建立传输通道的方法流程示意图;
图5为本发明实施例提供的一种具体实现方式流程示意图;
图6为本发明实施例提供的另一种具体实现方式流程示意图;
图7为本发明实施例提供的又一种具体实现方式流程示意图;
图8为本发明实施例提供的一种完整方案的流程示意图;
图9为本发明实施例提供的一种应用于源eNB侧的消息转发的方法流程示意图;
图10为本发明实施例提供的一种应用于目标eNB侧的消息转发的方法流程示意图;
图11为本发明实施例提供的一种源eNB的结构示意图;
图12为本发明实施例提供的另一种源eNB的结构示意图;
图13为本发明实施例提供的又一种源eNB的结构示意图;
图14为本发明实施例提供的一种目标eNB的结构示意图;
图15为本发明实施例提供的另一种目标eNB的结构示意图;
图16为本发明实施例提供的又一种目标eNB的结构示意图;
图17为本发明实施例提供的一种消息转发的***结构示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述。
参见图1所示的本发明实施例所使用的网络架构示意图,本地车联网E-TRAN服务器(local V2X E-UTRAN server),本地MBMS广播组播业务中心(local MBMS BM-SC)和MBMS网关(MBMS GW)全部内置或耦接于eNB。如图1所示,本发明实施例以local V2X E-UTRAN server、local MBMS BM-SC以及MBMS GW均内置在eNB中为例进行说明。其余网元设备如移动性管理实体(MME,Mobility Management Entity)、分组数据网网关(P-GW,Packet Data Network GetWay)、服务网关(S-GW,Serving GateWay)、多小区/多播协调实体(MCE,Multi-cell/multicast Coordination Entity)等,均为LTE架构实现MBMS时常见的网元设备,它们的作用及它们之间的连接接口在此不再赘述。基于图1所示的网络架构,V2X消息在eNB之间通过X2接口进行转发的应用场景示例地可以包括但不限于以下三种场景:
场景一:V2X消息通过MBMS承载下发,其扩散区域包括邻区基站,于是,eNB1需要将数据通过X2接口转发给eNB2;
场景二:V2X消息在eNB1通过MBMS承载下发,当eNB1下的某个UE切换到eNB2时,eNB2向eNB1请求将该UE切换之后此MBMS承载上下发的数据通过X2接口发送到eNB2,随后eNB2通过单播下发给UE。此时,eNB1也需要将数据通过X2接口转发给eNB2;
场景三:当V2X消息是通过不同于MBMS承载的方式到达eNB时,如果eNB1根据某些信息,比如消息中的地理位置或者目标区域,决定将V2X消息进行转发。在本发明实施例中将这种V2X消息定义为普通的V2X消息。其中,所述的不同于MBMS承载的方式可以包括但不限于来自于 UE。
需要说明的是,本发明实施例所涉及到的应用场景仅用于对技术方案的说明进行举例。本领域技术人员可以理解地,除了上述三种场景之外,其他需要将V2X消息在eNB之间进行转发的场景,都适用于本发明实施例的技术方案,在此不再赘述。
在图1中,需要通过X2接口将V2X消息由eNB1转发至eNB2;所以,eNB1可以称为源eNB,eNB2可以称为目标eNB。基于图1所示的网络结构,提出本发明的各实施例。
实施例一
参见图2,其示出了本发明实施例提供的一种消息转发的方法,该方法可以包括:
S210:源eNB按照预设的建立策略建立与目标eNB之间的传输通道;
S220:源eNB将承载在MBMS会话中的V2X消息或普通V2X消息通过传输通道传输至目标eNB。
需要说明的是,本实施例所提到的传输隧道可以包括通用分组无线服务技术隧道协议(GTP,GPRS Tunneling Protocol)隧道,源eNB就可以将承载承载在MBMS会话中的V2X消息或普通V2X消息通过GTP隧道传输至目标eNB。
可以理解地,步骤S210可以包括以下至少两种情况:
情况一、源eNB主动向目标eNB发送请求来建立传输通道;
情况二、源eNB被动接收由目标eNB发送的请求来建立传输隧道。
示例性地,对于情况一,源eNB通过上层网元接收到控制面信令或用户面数据之后,可以根据接收到的控制面信令或用户面数据来确定是否与目标eNB建立传输通道。以图1所示的网络架构为例,若eNB1接收到由上层网元所发送的建立MBMS会话请求所指示的小区列表(cell list)中包 括eNB2的小区标识(cell ID)时;或者若eNB1接收到的用户面数据的包头中包含了eNB2的cell ID时,eNB1均需要建立与eNB2之间的用于传输MBMS会话的GTP隧道。因此,参见图3,对于步骤S210:源eNB按照预设的建立策略建立与目标eNB之间的传输通道,具体可以包括:
S310:源eNB从上层网元接收控制面信令或用户面数据;
S320:当控制面信令或用户面数据中包括目标eNB的小区标识时,源eNB向目标eNB发送第一建立通道请求;
S330:目标eNB向源eNB发送第一确认建立通道回复。
示例性地,对于情况二,源eNB接收到目标eNB发送的通道建立请求之后,可以根据该请求与目标eNB建立传输通道。以图1所示的网络架构为例,当UE1从eNB1切换到eNB2后,UE1对MBMS承载的V2X消息有连续性需求,因此,UE1可以向eNB2发起请求希望能够获得切换之前在eNB1上通过MBMS承载还未接收完全的V2X消息。此时,eNB2可以向eNB1要求对UE1还未接收完全的MBMS承载上的V2X消息进行转发。因此,参见图4,对于步骤S210:源eNB按照预设的建立策略建立与目标eNB之间的传输通道,具体可以包括:
S410:目标eNB向源eNB发送第二建立通道请求;
S420:源eNB向目标eNB发送第二确认建立通道回复。
通过上述技术方案,源eNB能够与目标eNB之间建立诸如GTP隧道的传输通道,并且源eNB通过该传输隧道能够将承载有V2X消息的MBMS会话传输至目标eNB,从而在相邻的eNB之间实现了V2X消息的转发。
需要进一步说明地,本发明实施例还对前述的两种情况分别对应提供了具体的实现方式。
对于情况一
步骤S320中的第一建立通道请求在具体实现过程中可以为X2建立请 求(X2 Setup Request)消息、或eNB配置更新(eNB Configuration Update)消息;相应地,第一确认建立通道回复在具体实现过程中分别对应为X2建立响应(X2 Setup Response)消息、或eNB配置更新确认(eNB Configuration Update Acknowledge)消息。对于上述两对第一建立通道请求与第一确认建立通道回复的具体实现,针对情况一所对应的图3中的步骤S320和步骤S330,本发明实施例也对应地提供了两种具体实现方式。
参见图5,当所述V2X消息为承载在MBMS会话中的V2X消息时,具体实现方式一可以包括:
S320A:源eNB向目标eNB发送X2 Setup Request消息;
其中,X2 Setup Request消息包括MBMS会话标识与MBMS会话性能参数中的至少一项;具体地,当源eNB与目标eNB满足第一条件时,X2Setup Request消息包括:MBMS会话标识;当源eNB与目标eNB满足第二条件时,X2 Setup Request消息包括:MBMS会话标识以及MBMS会话性能参数;
S330A:目标eNB在接受X2 Setup Request消息之后,向源eNB发送X2 Setup Response消息;
其中,X2 Setup Response消息包括MBMS会话标识以及目标eNB用于接收MBMS会话所对应的GTP隧道标识。
需要说明的是,在本发明实施例中,MBMS会话标识具体可以是临时移动组标识(TMGI,Temporary Mobile Group Identity)或者会话标识(session ID);源eNB用于传输MBMS会话所对应的GTP隧道标识具体可以是源eNB用于传输MBMS会话所对应的GTP隧道端点标识(GTP tunnel endpoint);而MBMS会话性能参数则可以是MBMS会话的服务质量(QoS,Quality of Service)配置信息。
对于前述的第一条件和第二条件,还需要说明的是,如果源eNB与目 标eNB在进行MBMS配置时使用的是联合配置,例如源eNB与目标eNB通过操作维护管理(OAM,Operation Administration and Maintenance)进行协调,即源eNB与目标eNB互相知道对方的TMGI或session ID对应的MBMS会话的QoS配置信息,那么源eNB在和目标eNB为MBMS会话建立GTP隧道时,第一数据获取请求(Data Fetch Request)消息中可以仅携带TMGI或session ID;
如果源eNB与目标eNB在进行MBMS配置时使用的是独立配置,例如两个eNB分别连接到不同的MBMS控制节点且MBMS控制节点之间没有协调,即源eNB与目标eNB互相不知道对方的TMGI或session ID对应的MBMS会话的QoS配置信息,那么源eNB在和目标eNB为MBMS会话建立GTP隧道时,第一Data Fetch Request消息中则需要携带MBMS会话的QoS配置信息。
此外,若目标eNB不接受X2 Setup Request消息,即目标eNB2拒绝源eNB发起的X2 Setup Request,那么目标eNB可以向源eNB发送X2建立失败(X2 Setup Failure)消息。
参见图6,当所述V2X消息为承载在MBMS会话中的V2X消息时,具体实现方式二可以包括:
S320B:源eNB向目标eNB发送eNB Configuration Update消息;
其中,eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;具体地,当源eNB与目标eNB满足第一条件时,eNB Configuration Update消息包括:MBMS会话标识;当源eNB与目标eNB满足第二条件时,eNB Configuration Update消息包括:MBMS会话标识以及MBMS会话性能参数;
S330B:目标eNB在接受eNB Configuration Update消息之后,向源eNB发送eNB Configuration Update Acknowledge消息;
其中,eNB Configuration Update Acknowledge消息包括MBMS会话标识以及目标eNB用于接收MBMS会话所对应的GTP隧道标识。
可以理解地,在本具体实现方式的过程中,MBMS会话标识、MBMS会话性能参数、GTP隧道标识以及第一条件和第二条件的具体内容与具体实现方式一中相同,在此不再赘述。
此外,若目标eNB不接受eNB Configuration Update消息,即目标eNB2拒绝源eNB发起的eNB Configuration Update,那么目标eNB可以向源eNB发送eNB配置更新失败(eNB Configuration Update Failure)消息。
需要额外说明的是,当所述V2X消息为普通V2X消息时,对于图3中的步骤S320和步骤S330,仍然可以通过图5和图6的具体实现方式进行实现,但是此时,第一建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其中,所述X2 Setup Request消息或eNB Configuration Update消息用于指示目标eNB建立用于转发普通V2X消息的GTP隧道;且所述X2 Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令(data forwarding)中的至少一项;
相应地,第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息包括业务类型、性能参数以及GTP隧道标识中的至少一项。
可以理解地,当所述V2X消息为普通V2X消息时,业务类型可以为V2X消息,或者细分为不同优先级的V2X消息;性能参数可以为消息的时延需求等;GTP隧道标识可以为GTP Tunnel Endpoint。
对于情况二
针对情况二所对应的图4中的步骤S410和步骤S420,如图7所示,本发明实施例提供的具体实现方式可以包括:
S410A:目标eNB向源eNB发送数据获取请求(Data Fetch Request)消息;
其中,Data Fetch Request消息包括MBMS会话标识、目标eNB用于接收MBMS会话所对应的GTP隧道标识及MBMS会话对应的用户设备UE标识;
S420A:源eNB向目标eNB发送数据获取响应(Data Fetch Response)消息;
其中,Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;具体地,当源eNB与目标eNB满足第一条件时,Data Fetch Response消息包括:MBMS会话标识;当源eNB与目标eNB满足第二条件时,Data Fetch Response消息包括:MBMS会话标识以及MBMS会话性能参数。
可以理解地,在本具体实现方式的过程中,MBMS会话标识、MBMS会话性能参数、GTP隧道标识以及第一条件和第二条件的具体内容与情况一的具体实现方式一相同,在此不再赘述。而在情况二中,目标eNB向源eNB发送第二建立通道请求是由于UE的切换eNB,导致UE需要向eNB2发起请求希望能够获得切换之前在eNB1上通过MBMS承载还未接收完全的V2X消息。因此,Data Fetch Request消息还需要包括MBMS会话对应的UE标识,具体地,UE标识可以包括:UE在目标eNB2的小区无线网络临时标识(C-RTNI,Cell Radio Network Temporary Identifier)或者short MAC-I标识。
此外,若源eNB不接受第一Data Fetch Request消息,即源eNB拒绝 与目标eNB建立GTP隧道,那么源eNB可以向目标eNB发送数据获取拒绝(Data Fetch Reject)消息,用来拒绝目标eNB发送的第一Data Fetch Request消息。其中,Data Fetch Reject消息内的Cause值可以包括但不限于no data buffered;no data buffered表示没有数据缓冲。
由于UE切换导致目标eNB向源eNB发送第二建立通道请求,因此,参见图8,在图7所示的方案基础上,本具体实现方式的完整方案可以包括:
S401:UE移动到源eNB的小区边缘,触发测量上报测量报告(Measurement Report);
S402:源eNB向目标eNB发送切换切换请求(HO request)消息;
S403:目标eNB向源eNB返回切换切换请求确认(HO request ACK)消息;
S404:源eNB将目标eNB返回的切换信息通过RRC连接配置(RRC connection reconfiguration)消息下发给UE;
S405:UE在接入目标eNB之后,向目标eNB发送MBMS服务器连续请求(MBMS Service Continuity Request)消息;
其中,MBMS Service Continuity Request消息至少包括MBMS会话的TMGI或session ID;
S410A:目标eNB向源eNB发送数据获取请求(Data Fetch Request)消息;
其中,Data Fetch Request消息至少包括MBMS会话的TMGI或session ID信息以及目标eNB的GTP tunnel endpoint和UE ID;
S420A:源eNB向目标eNB发送数据获取响应(Data Fetch Response)消息;
其中,Data Fetch Response消息携带了MBMS会话的TMGI或session ID;或者还额外携带了MBMS会话的QoS配置信息。
S430:源eNB通过建立的GTP隧道将MBMS会话在UE切换之后发送的V2X消息转发给目标eNB。
本实施例提供的消息转发的方法,源eNB能够与目标eNB之间建立诸如GTP隧道的传输通道,并且源eNB通过该传输隧道能够将承载有V2X消息的MBMS会话传输至目标eNB,从而在相邻的eNB之间实现了V2X消息的转发。
实施例二
基于前述实施例相同的技术构思,参见图9,其示出了本发明实施例提供的一种应用于源eNB侧的消息转发的方法,该方法可以包括:
S901:源eNB按照预设的建立策略建立与目标eNB之间的传输通道;
其中,传输隧道包括GTP隧道。
S902:源eNB将承载在MBMS会话中的V2X消息或普通V2X消息通过传输通道传输至目标eNB。
示例性地,源eNB按照预设的建立策略建立与目标eNB之间的传输通道,具体包括:
源eNB从上层网元接收控制面信令或用户面数据;
以及,当控制面信令或用户面数据中包括目标eNB的小区标识时,源eNB向目标eNB发送第一建立通道请求;
以及,源eNB接收目标eNB发送的第一确认建立通道回复。
在一种具体的实现方式中,当所述V2X消息为承载在MBMS会话中的V2X消息时,源eNB向目标eNB发送第一建立通道请求,具体包括:源eNB向目标eNB发送X2 Setup Request消息;
其中,所述X2 Setup Request消息包括所述MBMS会话标识与所述MBMS会话性能参数中的至少一项;具体地,当源eNB与目标eNB满足第一条件时,X2 Setup Request消息包括:MBMS会话标识;当源eNB与 目标eNB满足第二条件时,X2 Setup Request消息包括:MBMS会话标识以及MBMS会话性能参数;
相应地,源eNB接收目标eNB发送的第一确认建立通道回复,具体包括:
源eNB接收目标eNB在接受X2 Setup Request消息之后所发送的X2Setup Response消息;其中,X2 Setup Response消息包括MBMS会话标识以及目标eNB用于接收MBMS会话所对应的GTP隧道标识。
在另一种具体的实现方式中,源eNB向目标eNB发送第一建立通道请求,具体包括:源eNB向目标eNB发送eNB Configuration Update消息;
其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;具体地,当源eNB与目标eNB满足第一条件时,eNB Configuration Update消息包括:MBMS会话标识;当源eNB与目标eNB满足第二条件时,eNB Configuration Update消息包括:MBMS会话标识以及MBMS会话性能参数;
相应地,源eNB接收目标eNB发送的第一确认建立通道回复,具体包括:
源eNB接收目标eNB在接受eNB Configuration Update消息之后所发送的eNB Configuration Update Acknowledge消息;其中,eNB Configuration Update Acknowledge消息包括MBMS会话标识以及目标eNB用于接收MBMS会话所对应的GTP隧道标识。
示例性地,源eNB按照预设的建立策略建立与目标eNB之间的传输通道,具体包括:
源eNB接收目标eNB发送的第二建立通道请求;
以及,源eNB向目标eNB发送第二确认建立通道回复。
在一种具体的实现方式中,源eNB接收目标eNB发送的第二建立通道 请求,具体包括:源eNB接收目标eNB发送的Data Fetch Request消息;
其中,Data Fetch Request消息包括MBMS会话标识、目标eNB用于接收MBMS会话所对应的GTP隧道标识及MBMS会话对应的用户设备UE标识;
相应地,源eNB向目标eNB发送第二确认建立通道回复,具体包括:
源eNB向目标eNB发送Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;具体地,当源eNB与目标eNB满足第一条件时,Data Fetch Response消息包括:MBMS会话标识;当源eNB与目标eNB满足第二条件时,Data Fetch Response消息包括:MBMS会话标识以及MBMS会话性能参数。
本实施例提供了一种应用于源eNB侧的消息转发的方法,源eNB能够与目标eNB之间建立诸如GTP隧道的传输通道,并且源eNB通过该传输隧道能够将承载有V2X消息的MBMS会话传输至目标eNB,从而在相邻的eNB之间实现了V2X消息的转发。
实施例三
基于前述实施例相同的技术构思,参见图10,其示出了本发明实施例提供的一种应用于目标eNB侧的消息转发的方法,该方法可以包括:
S1001:按照预设的建立策略,目标eNB与源eNB建立传输通道;
其中,传输隧道包括GTP隧道;
S1002:目标eNB通过传输通道接收由源eNB传输的承载在MBMS会话中的V2X消息或普通V2X消息。
示例性地,按照预设的建立策略,目标eNB与源eNB建立传输通道,具体包括:
目标eNB接收源eNB发送的第一建立通道请求;
以及,目标eNB向源eNB发送第一确认建立通道回复。
在一种具体的实现方式中,目标eNB接收源eNB发送的第一建立通道请求,具体包括:目标eNB接收由源eNB发送的X2 Setup Request消息;
其中,所述X2 Setup Request消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;具体地,当源eNB与目标eNB满足第一条件时,X2 Setup Request消息包括:MBMS会话标识;当源eNB与目标eNB满足第二条件时,X2 Setup Request消息包括:MBMS会话标识以及MBMS会话性能参数;
相应地,目标eNB向源eNB发送第一确认建立通道回复,具体包括:
目标eNB在接受X2 Setup Request消息之后,向源eNB发送X2 Setup Response消息;其中,X2 Setup Response消息包括MBMS会话标识以及目标eNB用于接收MBMS会话所对应的GTP隧道标识。
在另一种具体的实现方式中,目标eNB接收源eNB发送的第一建立通道请求,具体包括:目标eNB接收由源eNB发送的eNB Configuration Update消息;
其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;具体地,当源eNB与目标eNB满足第一条件时,eNB Configuration Update消息包括:MBMS会话标识;当源eNB与目标eNB满足第二条件时,eNB Configuration Update消息包括:MBMS会话标识以及MBMS会话性能参数;
相应地,目标eNB向源eNB发送第一确认建立通道回复,具体包括:
目标eNB在接受eNB Configuration Update消息之后,向源eNB发送eNB Configuration Update Acknowledge消息;其中,eNB Configuration Update Acknowledge消息包括MBMS会话标识以及目标eNB用于接收MBMS会话所对应的GTP隧道标识。
还需要额外说明的是,当所述V2X消息为普通V2X消息时,第一建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其中,所述X2 Setup Request消息或eNB Configuration Update消息用于指示目标eNB建立用于转发普通V2X消息的GTP隧道;且所述X2 Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令data forwarding中的至少一项;
相应地,第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息包括所述业务类型、性能参数以及GTP隧道标识中的至少一项。
示例性地,按照预设的建立策略,目标eNB与源eNB建立传输通道,具体包括:
目标eNB向源eNB发送第二建立通道请求;
以及,目标eNB接收由源eNB发送的第二确认建立通道回复。
在一种具体的实现方式中,目标eNB向源eNB发送第二建立通道请求,具体包括:目标eNB向源eNB发送Data Fetch Request消息;
其中,Data Fetch Request消息包括MBMS会话标识、目标eNB用于接收MBMS会话所对应的GTP隧道标识及MBMS会话对应的用户设备UE标识;
相应地,目标eNB接收由源eNB发送的第二确认建立通道回复,具体包括:
目标eNB接收由源eNB所发送的Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会 话性能参数中的至少一项;具体地,当源eNB与目标eNB满足第一条件时,Data Fetch Response消息包括:MBMS会话标识;当源eNB与目标eNB满足第二条件时,Data Fetch Response消息包括:MBMS会话标识以及MBMS会话性能参数。
实施例四
基于前述实施例相同的技术构思,参见图11,其示出了本发明实施例提供的一种源eNB110,该源eNB110可以包括:第一建立模块1101和传输模块1102;其中,
所述第一建立模块1101,配置为按照预设的建立策略建立与目标eNB之间的传输通道;其中,所述传输隧道包括GTP隧道;
所述传输模块1102,配置为将承载在MBMS会话中的V2X消息或普通V2X消息通过所述传输通道传输至所述目标eNB。
示例性地,参见图12,所述第一建立模块1101,包括:第一接收单元11011、第一发送单元11012和第二接收单元11013;其中,
所述第一接收单元11011,配置为从上层网元接收控制面信令或用户面数据;
所述第一发送单元11012,配置为当所述控制面信令或所述用户面数据中包括所述目标eNB的小区标识时,向所述目标eNB发送第一建立通道请求;
所述第二接收单元11013,配置为接收所述目标eNB发送的第一确认建立通道回复。
当所述V2X消息为承载在MBMS会话中的V2X消息时,在一种具体实现方式中,所述第一发送单元11012,配置为:向所述目标eNB发送X2Setup Request消息;
其中,所述X2 Setup Request消息包括所述MBMS会话标识以及所述 MBMS会话性能参数中的至少一项;具体地,当所述源eNB与所述目标eNB满足第一条件时,所述X2 Setup Request消息包括:所述MBMS会话标识;当所述源eNB与所述目标eNB满足第二条件时,所述X2 Setup Request消息包括:所述MBMS会话标识以及所述MBMS会话性能参数;
相应地,所述第二接收单元11013,配置为:
接收所述目标eNB在接受所述X2 Setup Request消息之后所发送的X2Setup Response消息;其中,所述X2 Setup Response消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
当所述V2X消息为承载在MBMS会话中的V2X消息时,在另一种具体实现方式中,所述第一发送单元11012,配置为:向所述目标eNB发送eNB Configuration Update消息;
其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;具体地,当所述源eNB与所述目标eNB满足第一条件时,所述eNB Configuration Update消息包括:所述MBMS会话标识;当所述源eNB与所述目标eNB满足第二条件时,所述eNB Configuration Update消息包括:所述MBMS会话标识以及所述MBMS会话性能参数;
相应地,所述第二接收单元11013,配置为:
接收所述目标eNB在接受所述eNB Configuration Update消息之后所发送的eNB Configuration Update Acknowledge消息;其中,所述eNB Configuration Update Acknowledge消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
还需要额外说明的是,当所述V2X消息为普通V2X消息时,第一建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其 中,所述X2 Setup Request消息或eNB Configuration Update消息用于指示目标eNB建立用于转发普通V2X消息的GTP隧道;且所述X2 Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令data forwarding中的至少一项;
相应地,第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息包括所述业务类型、性能参数以及GTP隧道标识中的至少一项。
示例性地,参见图13,所述第一建立模块1101,具体包括:第三接收单元11014和第二发送单元11015;其中,
所述第三接收单元11014,配置为接收所述目标eNB发送的第二建立通道请求;
所述第二发送单元11015,配置为向所述目标eNB发送第二确认建立通道回复。
在一种具体实现方式中,所述第三接收单元11014,配置为接收所述目标eNB发送的Data Fetch Request消息;其中,所述Data Fetch Request消息包括所述MBMS会话标识、所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识及所述MBMS会话对应的用户设备UE标识;
相应地,所述第二发送单元11015,配置为向所述目标eNB发送Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;具体地,当所述源eNB与所述目标eNB满足第一条件时,所述Data Fetch Response消息包括:所述MBMS会话标识;当所述源eNB与所述目标eNB满足第二条件时, 所述Data Fetch Response消息包括:所述MBMS会话标识以及所述MBMS会话性能参数。
本实施例中,所述源eNB中的第一建立模块1101和传输模块1102(包括各子单元),在实际应用中可通过通信模组(包含:基础通信套件、操作***、通信模块、标准化接口和协议等)及收发天线实现。
实施例五
基于前述实施例相同的技术构思,参见图14,其示出了本发明实施例提供的一种目标eNB140的结构,该目标eNB140可以包括:第二建立模块1401和接收模块1402;其中,
所述第二建立模块1401,配置为按照预设的建立策略,与源eNB建立传输通道;其中,所述传输隧道包括GTP隧道;
所述接收模块1402,配置为通过所述传输通道接收由所述源eNB传输的承载在MBMS会话中的V2X消息或普通V2X消息。
示例性地,参见图15,所述第二建立模块1401,包括:第四接收单元14011和第三发送单元14012;其中,
所述第四接收单元14011,配置为接收所述源eNB发送的第一建立通道请求;
所述第三发送单元14012,配置为向所述源eNB发送第一确认建立通道回复。
当所述V2X消息为承载在MBMS会话中的V2X消息时,在一种具体的实现方式中,所述第四接收单元14011,配置为:接收由所述源eNB发送的X2 Setup Request消息;其中,所述X2 Setup Request消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;具体地,当所述源eNB与所述目标eNB满足第一条件时,所述X2 Setup Request消息包括:所述MBMS会话标识;当所述源eNB与所述目标eNB满足第二条 件时,所述X2 Setup Request消息包括:所述MBMS会话标识以及所述MBMS会话性能参数;
相应地,所述第三发送单元14012,配置为向所述源eNB发送X2 Setup Response消息;其中,所述X2 Setup Response消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
当所述V2X消息为承载在MBMS会话中的V2X消息时,在另一种具体的实现方式中,所述第四接收单元14011,配置为:接收由所述源eNB发送的eNB Configuration Update消息;其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;具体地,当所述源eNB与所述目标eNB满足第一条件时,所述eNB Configuration Update消息包括:所述MBMS会话标识;当所述源eNB与所述目标eNB满足第二条件时,所述eNB Configuration Update消息包括:所述MBMS会话标识以及所述MBMS会话性能参数;
相应地,所述第三发送单元14012,配置为向所述源eNB发送eNB Configuration Update Acknowledge消息;其中,所述eNB Configuration Update Acknowledge消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
还需要额外说明的是,当所述V2X消息为普通V2X消息时,第一建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其中,所述X2 Setup Request消息或eNB Configuration Update消息配置为指示目标eNB建立配置为转发普通V2X消息的GTP隧道;且所述X2 Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令data forwarding中的至少一项;
相应地,第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response 消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息包括所述业务类型、性能参数以及GTP隧道标识中的至少一项。
示例性地,参见图16,所述第二建立模块1401,具体包括:第四发送单元14013和第五接收单元14014;其中,
所述第四发送单元14013,配置为向所述源eNB发送第二建立通道请求;
所述第五接收单元14014,配置为接收由所述源eNB发送的第二确认建立通道回复。
在一种具体的实现方式中,所述第四发送单元14013,配置为向所述源eNB发送Data Fetch Request消息;其中,所述Data Fetch Request消息包括所述MBMS会话标识、所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识及所述MBMS会话对应的用户设备UE标识;
相应地,所述第五接收单元14014,配置为接收由所述源eNB所发送的Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;具体地,当所述源eNB与所述目标eNB满足第一条件时,所述Data Fetch Response消息包括:所述MBMS会话标识;当所述源eNB与所述目标eNB满足第二条件时,所述Data Fetch Response消息包括:所述MBMS会话标识以及所述MBMS会话性能参数。
本实施例中,所述目标eNB中的第二建立模块1401和接收模块1402(包括各子单元),在实际应用中可通过通信模组(包含:基础通信套件、操作***、通信模块、标准化接口和协议等)及收发天线实现。
实施例六
基于前述实施例相同的技术构思,参见图17,其示出了本发明实施例提供的一种消息转发的***170,所述***170可以包括:源eNB110和目标eNB140;其中,
所述源eNB110,配置为按照预设的建立策略建立与所述目标eNB140之间的传输通道;其中,所述传输隧道包括GTP隧道;
以及,将承载在MBMS会话中的V2X消息或普通V2X消息通过所述传输通道传输至所述目标eNB140;
所述目标eNB140,配置为按照预设的建立策略,与所述源eNB110建立传输通道;
以及,通过所述传输通道接收由所述源eNB110传输的承载在MBMS会话中的V2X消息或普通V2X消息。
本领域内的技术人员应明白,本发明的实施例可提供为方法、***、或计算机程序产品。因此,本发明可采用硬件实施例、软件实施例、或结合软件和硬件方面的实施例的形式。而且,本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、设备(***)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理 设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
以上,仅为本发明的较佳实施例而已,并非用于限定本发明的保护范围。
工业实用性
本发明实施例的技术方案通过源eNB与目标eNB之间建立诸如GTP隧道的传输通道,并且源eNB通过该传输隧道将承载有V2X消息的MBMS会话传输至目标eNB,从而在相邻的eNB之间实现了V2X消息的转发。

Claims (31)

  1. 一种消息转发的方法,所述方法包括:
    源演进型基站eNB按照预设的建立策略建立与目标eNB之间的传输通道;其中,所述传输隧道包括通用分组无线服务技术隧道协议GTP隧道;
    所述源eNB将承载在多媒体广播/组播业务MBMS会话中的车联网V2X消息或普通车联网V2X消息通过所述传输通道传输至所述目标eNB。
  2. 根据权利要求1所述的方法,其中,所述源eNB按照预设的建立策略建立与目标eNB之间的传输通道,包括:
    所述源eNB从上层网元接收控制面信令或用户面数据;
    当所述控制面信令或所述用户面数据中包括所述目标eNB的小区标识时,所述源eNB向所述目标eNB发送第一建立通道请求;
    所述源eNB接收所述目标eNB发送的第一确认建立通道回复。
  3. 根据权利要求2所述的方法,其中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述源eNB向所述目标eNB发送第一建立通道请求,包括:
    所述源eNB向所述目标eNB发送X2 Setup Request消息;其中,所述X2 Setup Request消息包括所述MBMS会话标识与所述MBMS会话性能参数中的至少一项;
    相应地,所述源eNB接收所述目标eNB发送的第一确认建立通道回复,具体包括:
    所述源eNB接收所述目标eNB在接受所述X2 Setup Request消息之后所发送的X2 Setup Response消息;其中,所述X2 Setup Response消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
  4. 根据权利要求2所述的方法,其中,当所述V2X消息为承载在MBMS 会话中的V2X消息时,所述源eNB向所述目标eNB发送第一建立通道请求,包括:
    所述源eNB向所述目标eNB发送eNB Configuration Update消息;其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
    相应地,所述源eNB接收所述目标eNB发送的第一确认建立通道回复,具体包括:
    所述源eNB接收所述目标eNB在接受所述eNB Configuration Update消息之后所发送的eNB Configuration Update Acknowledge消息;其中,所述eNB Configuration Update Acknowledge消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
  5. 根据权利要求2所述的方法,其中,当所述V2X消息为普通车联网V2X消息时,第一建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其中,所述X2 Setup Request消息或eNB Configuration Update消息用于指示目标eNB建立用于转发普通车联网V2X消息的GTP隧道;且所述X2Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令data forwarding中的至少一项;
    相应地,第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息包括所述业务类型、性能参数以及GTP隧道标识中的至少一项。
  6. 根据权利要求1所述的方法,其中,所述源eNB按照预设的建立策 略建立与目标eNB之间的传输通道,包括:
    所述源eNB接收所述目标eNB发送的第二建立通道请求;
    所述源eNB向所述目标eNB发送第二确认建立通道回复。
  7. 根据权利要求6所述的方法,其中,所述源eNB接收所述目标eNB发送的第二建立通道请求,包括:
    所述源eNB接收所述目标eNB发送的Data Fetch Request消息;其中,所述Data Fetch Request消息包括所述MBMS会话标识、所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识及所述MBMS会话对应的用户设备UE标识中的至少一项;
    相应地,所述源eNB向所述目标eNB发送第二确认建立通道回复,具体包括:
    所述源eNB向所述目标eNB发送Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项。
  8. 一种消息转发的方法,所述方法包括:
    按照预设的建立策略,目标演进型基站eNB与源eNB建立传输通道;其中,所述传输隧道包括通用分组无线服务技术隧道协议GTP隧道;
    所述目标eNB通过所述传输通道接收由所述源eNB传输的承载在多媒体广播/组播业务MBMS会话中的车联网V2X消息或普通车联网V2X消息。
  9. 根据权利要求8所述的方法,其中,按照预设的建立策略,所述目标eNB与所述源eNB建立传输通道,包括:
    所述目标eNB接收所述源eNB发送的第一建立通道请求;
    所述目标eNB向所述源eNB发送第一确认建立通道回复。
  10. 根据权利要求9所述的方法,其中,当所述V2X消息为承载在 MBMS会话中的V2X消息时,所述目标eNB接收所述源eNB发送的第一建立通道请求,包括:
    所述目标eNB接收由所述源eNB发送的X2 Setup Request消息;其中,所述X2 Setup Request消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
    相应地,所述目标eNB向所述源eNB发送第一确认建立通道回复,具体包括:
    所述目标eNB在接受所述X2 Setup Request消息之后,向所述源eNB发送X2 Setup Response消息;其中,所述X2 Setup Response消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
  11. 根据权利要求9所述的方法,其中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述目标eNB接收所述源eNB发送的第一建立通道请求,包括:
    所述目标eNB接收由所述源eNB发送的eNB Configuration Update消息;其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
    相应地,所述目标eNB向所述源eNB发送第一确认建立通道回复,具体包括:所述目标eNB在接受所述eNB Configuration Update消息之后,向所述源eNB发送eNB Configuration Update Acknowledge消息;其中,所述eNB Configuration Update Acknowledge消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
  12. 根据权利要求9所述的方法,其中,当所述V2X消息为普通车联网V2X消息时,所述第一建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其中,所述X2 Setup Request消息或eNB  Configuration Update消息用于指示目标eNB建立用于转发普通车联网V2X消息的GTP隧道;且所述X2 Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令data forwarding中的至少一项;
    相应地,所述第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息包括所述业务类型、性能参数以及GTP隧道标识中的至少一项。
  13. 根据权利要求8所述的方法,其中,按照预设的建立策略,所述目标eNB与所述源eNB建立传输通道,包括:
    所述目标eNB向所述源eNB发送第二建立通道请求;
    所述目标eNB接收由所述源eNB发送的第二确认建立通道回复。
  14. 根据权利要求13所述的方法,其中,所述目标eNB向所述源eNB发送第二建立通道请求,包括:
    所述目标eNB向所述源eNB发送Data Fetch Request消息;其中,所述Data Fetch Request消息包括所述MBMS会话标识、所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识及所述MBMS会话对应的用户设备UE标识;
    相应地,所述目标eNB接收由所述源eNB发送的第二确认建立通道回复,具体包括:
    所述目标eNB接收由所述源eNB所发送的Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项。
  15. 一种源演进型基站eNB,所述源eNB包括:第一建立模块和传输模块;其中,
    所述第一建立模块,配置为按照预设的建立策略建立与目标eNB之间的传输通道;其中,所述传输隧道包括通用分组无线服务技术隧道协议GTP隧道;
    所述传输模块,配置为将承载在多媒体广播/组播业务MBMS会话中的车联网V2X消息或普通车联网V2X消息通过所述传输通道传输至所述目标eNB。
  16. 根据权利要求15所述的源eNB,其中,所述第一建立模块,包括:第一接收单元、第一发送单元和第二接收单元;其中,
    所述第一接收单元,配置为从上层网元接收控制面信令或用户面数据;
    所述第一发送单元,配置为当所述控制面信令或所述用户面数据中包括所述目标eNB的小区标识时,向所述目标eNB发送第一建立通道请求;
    所述第二接收单元,配置为接收所述目标eNB发送的第一确认建立通道回复。
  17. 根据权利要求16所述的源eNB,其中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述第一发送单元,配置为:向所述目标eNB发送X2 Setup Request消息;
    其中,所述X2 Setup Request消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
    相应地,所述第二接收单元,配置为:
    接收所述目标eNB在接受所述X2 Setup Request消息之后所发送的X2 Setup Response消息;其中,所述X2 Setup Response消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
  18. 根据权利要求16所述的源eNB,其中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述第一发送单元,配置为:向所述目标eNB发送eNB Configuration Update消息;
    其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
    相应地,所述第二接收单元,配置为:
    接收所述目标eNB在接受所述eNB Configuration Update消息之后所发送的eNB Configuration Update Acknowledge消息;其中,所述eNB Configuration Update Acknowledge消息包括所述MBMS会话标识以及所述目标eNB用于配置为接收所述MBMS会话所对应的GTP隧道标识。
  19. 根据权利要求16所述的源eNB,其中,当所述V2X消息为普通车联网V2X消息时,所述第一建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其中,所述X2 Setup Request消息或eNB Configuration Update消息用于指示目标eNB建立用于转发普通车联网V2X消息的GTP隧道;且所述X2 Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令data forwarding中的至少一项;
    相应地,所述第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息包括所述业务类型、性能参数以及GTP隧道标识中的至少一项。
  20. 根据权利要求15所述的源eNB,其中,所述第一建立模块,包括:第三接收单元和第二发送单元;其中,
    所述第三接收单元,配置为接收所述目标eNB发送的第二建立通道请求;
    所述第二发送单元,配置为向所述目标eNB发送第二确认建立通道回复。
  21. 根据权利要求20所述的源eNB,其中,所述第三接收单元,配置为接收所述目标eNB发送的Data Fetch Request消息;其中,所述Data Fetch Request消息包括所述MBMS会话标识、所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识及所述MBMS会话对应的用户设备UE标识;
    相应地,所述第二发送单元,配置为向所述目标eNB发送Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项。
  22. 一种目标演进型基站eNB,所述目标eNB包括:第二建立模块和接收模块;其中,
    所述第二建立模块,配置为按照预设的建立策略,与源eNB建立传输通道;其中,所述传输隧道包括通用分组无线服务技术隧道协议GTP隧道;
    所述接收模块,配置为通过所述传输通道接收由所述源eNB传输的承载在多媒体广播/组播业务MBMS会话中的车联网V2X消息或普通车联网V2X消息。
  23. 根据权利要求22所述的目标eNB,其中,所述第二建立模块,包括:第四接收单元和第三发送单元;其中,
    所述第四接收单元,配置为接收所述源eNB发送的第一建立通道请求;
    所述第三发送单元,配置为向所述源eNB发送第一确认建立通道回复。
  24. 根据权利要求23所述的目标eNB,其中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述第四接收单元,配置为:接收由所述源eNB发送的X2 Setup Request消息;其中,所述X2 Setup Request 消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
    相应地,所述第三发送单元,配置为向所述源eNB发送X2 Setup Response消息;其中,所述X2 Setup Response消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
  25. 根据权利要求23所述的目标eNB,其中,当所述V2X消息为承载在MBMS会话中的V2X消息时,所述第四接收单元,配置为:接收由所述源eNB发送的eNB Configuration Update消息;其中,所述eNB Configuration Update消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项;
    相应地,所述第三发送单元,配置为向所述源eNB发送eNB Configuration Update Acknowledge消息;其中,所述eNB Configuration Update Acknowledge消息包括所述MBMS会话标识以及所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识。
  26. 根据权利要求23所述的目标eNB,其中,当所述V2X消息为普通车联网V2X消息时,所述第一建立通道请求包括X2 Setup Request消息或eNB Configuration Update消息;其中,所述X2 Setup Request消息或eNB Configuration Update消息配置为指示目标eNB建立配置为转发普通车联网V2X消息的GTP隧道;且所述X2 Setup Request消息或eNB Configuration Update消息包括业务类型、性能参数以及数据转发指令data forwarding中的至少一项;
    相应地,所述第一确认建立通道回复对应包括X2 Setup Response消息或eNB Configuration Update Acknowledge消息;其中,所述X2 Setup Response消息或eNB Configuration Update Acknowledge消息用于指示目标eNB为所述业务建立的GTP隧道信息;且所述X2 Setup Response消息或 eNB Configuration Update Acknowledge消息包括所述业务类型、性能参数以及GTP隧道标识中的至少一项。
  27. 根据权利要求22所述的目标eNB,其中,所述第二建立模块,包括:第四发送单元和第五接收单元;其中,
    所述第四发送单元,配置为向所述源eNB发送第二建立通道请求;
    所述第五接收单元,配置为接收由所述源eNB发送的第二确认建立通道回复。
  28. 根据权利要求27所述的目标eNB,其中,所述第四发送单元,配置为向所述源eNB发送Data Fetch Request消息;其中,所述Data Fetch Request消息包括所述MBMS会话标识、所述目标eNB用于接收所述MBMS会话所对应的GTP隧道标识及所述MBMS会话对应的用户设备UE标识;
    相应地,所述第五接收单元,配置为接收由所述源eNB所发送的Data Fetch Response消息;其中,所述Data Fetch Response消息包括所述MBMS会话标识以及所述MBMS会话性能参数中的至少一项。
  29. 一种消息转发的***,所述***包括:源eNB和目标eNB;其中,
    所述源eNB,配置为按照预设的建立策略建立与所述目标eNB之间的传输通道;其中,所述传输隧道包括通用分组无线服务技术隧道协议GTP隧道;
    以及,将承载在多媒体广播/组播业务MBMS会话中的车联网V2X消息或普通车联网V2X消息通过所述传输通道传输至所述目标eNB;
    所述目标eNB,配置为按照预设的建立策略,与所述源eNB建立传输通道;
    以及,通过所述传输通道接收由所述源eNB传输的承载在MBMS会话中的V2X消息或普通车联网V2X消息。
  30. 一种计算机存储介质,所述计算机存储介质中存储有计算机可执 行指令,所述计算机可执行指令用于执行权利要求1至7任一项所述的消息转发的方法。
  31. 一种计算机存储介质,所述计算机存储介质中存储有计算机可执行指令,所述计算机可执行指令用于执行权利要求8至14任一项所述的消息转发的方法。
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