WO2011097814A1 - Procédé de routage de message, passerelle de service et système de communication associés - Google Patents

Procédé de routage de message, passerelle de service et système de communication associés Download PDF

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Publication number
WO2011097814A1
WO2011097814A1 PCT/CN2010/070667 CN2010070667W WO2011097814A1 WO 2011097814 A1 WO2011097814 A1 WO 2011097814A1 CN 2010070667 W CN2010070667 W CN 2010070667W WO 2011097814 A1 WO2011097814 A1 WO 2011097814A1
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WIPO (PCT)
Prior art keywords
packet data
identifier
data gateway
user equipment
request message
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PCT/CN2010/070667
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English (en)
Chinese (zh)
Inventor
戚彩霞
王宁沈
朱奋勤
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201080001634.9A priority Critical patent/CN102449960B/zh
Priority to PCT/CN2010/070667 priority patent/WO2011097814A1/fr
Publication of WO2011097814A1 publication Critical patent/WO2011097814A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/06—Reselecting a communication resource in the serving access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the present invention relates to the field of communications, and in particular, to a message routing method, a service gateway, and a communication system. Background technique
  • a Mobility Management Entity MME
  • a Serving General Packet Radio Service Support Node SGSN
  • SGW Serving Gateway
  • PGW Packet Data Network Gateway
  • PCRF Policy & Charging Rule Function
  • GTP general packet radio service tunneling protocol
  • GTP general packet radio service tunneling protocol
  • PMX proxy mobile IP
  • the serving gateway has a connection relationship with multiple PGWs at the same time, if only a part of the PGW requests the location information of the UE, the SGW cannot send the location information of the UE sent by the MME to the corresponding PGW.
  • the embodiment of the present invention provides a message routing method, a service gateway, and a communication system, and the SGW can send the received location information of the UE to the PGW requesting the location information.
  • a method for message routing comprising: receiving a modify bearer request message sent by a mobility management network element, where the modify bearer request message includes an identifier of a packet data gateway and location information of the user equipment; sending location information of the user equipment A packet data gateway corresponding to the identity of the packet data gateway.
  • a service gateway comprising: a receiving unit, configured to receive a modify bearer request message sent by a mobility management network element, where the modify bearer request message includes an identifier of a packet data gateway and location information of the user equipment; Sending the location information of the user equipment received by the receiving unit to
  • a communication system comprising: a mobility management network element, configured to send a modify bearer request message to a serving gateway, where the modify bearer request message includes an identifier of a packet data gateway and location information of a user equipment; and a service gateway, configured to receive And a modify bearer request message sent by the mobility management network element, where the location information of the user equipment is sent to a packet data gateway corresponding to the packet data gateway identifier.
  • FIG. 1 is a schematic structural diagram of a message routing method according to an embodiment of the present invention
  • FIG. 2 is a first schematic diagram of a message routing method according to an embodiment of the present invention.
  • FIG. 3 is a second schematic diagram of a message routing method according to an embodiment of the present disclosure.
  • 4a is a third schematic diagram of a message routing method according to an embodiment of the present invention.
  • FIG. 4b is a fourth schematic diagram of a message routing method according to an embodiment of the present invention.
  • FIG. 5 is a fifth schematic diagram of a message routing method according to an embodiment of the present invention.
  • FIG. 5b is a sixth schematic diagram of a message routing method according to an embodiment of the present invention.
  • FIG. 6 is a structural diagram of a service gateway according to an embodiment of the present invention.
  • FIG. 7 is a first structural diagram of a communication system according to an embodiment of the present invention.
  • FIG. 8 is a second structural diagram of a communication system according to an embodiment of the present invention. detailed description
  • FIG. 1 is an architectural diagram of an embodiment of the present invention, in which a mobility management network element is responsible for functions such as NAS signaling, tracking, user temporary identity assignment, and security.
  • the service gateway is responsible for the local mobility anchor and the mobility anchor inside the 3GPP system and the lawful interception related information; the packet data gateway is responsible for policy enforcement, charging, and lawful interception related functions.
  • the policy decision entity is used for the management of policy quality control and charging related policy decision control rules.
  • the GTP protocol is used for signaling interaction between the mobility management network element and the serving gateway, and the GTP or PMIP protocol is used for signaling interaction between the serving gateway and the packet data gateway.
  • an embodiment of the present invention provides a method for message routing, including: Step 102: Receive a modify bearer request message sent by a target mobility management network element, where the modify bearer request message includes an identifier of a packet data gateway.
  • the identifier of the packet data gateway may include a Fully Qualified Tunnel Endpoint Identifier (F-TEID) of the packet data gateway, and the F-TEID of the packet data gateway may include an Internet Protocol (IP Protocol) of the packet data gateway.
  • F-TEID Fully Qualified Tunnel Endpoint Identifier
  • IP Protocol Internet Protocol
  • the IP address and/or the tunnel endpoint identifier, the identifier information of the packet data gateway may also include a default bearer identifier or a dedicated bearer identifier, where the default bearer identifier or the dedicated bearer identifier is the mobility management network element and the location information of the UE needs to be acquired.
  • the PGW establishes a Packet Data Network (PDN) connection or a dedicated carrier time allocated by the mobility management network element.
  • PDN Packet Data Network
  • the mobility management network element further determines, according to the location report indication information sent by the packet data gateway, a packet data gateway that receives the location information of the user equipment, and the location information and location of the user equipment.
  • the identification information of the determined packet data gateway is sent to the serving gateway.
  • At least one of context information, packet data network PDN connection context information, bearer context, and Packet Data Protocol (PDP) context information acquires location reporting indication information sent by the packet data gateway, and determines packet data for receiving location information of the user equipment.
  • the gateway determines a packet data gateway that receives location information of the user equipment or
  • the mobility management network element receives the GTP message of the packet data gateway, obtains the location reporting indication information sent by the packet data gateway according to the GTP message, and determines a packet data gateway that receives the location information of the user equipment.
  • the location reporting indication information indicates that the mobility management network element reports location information of the user equipment or indicates that the mobility management network element reports the changed location information of the user equipment when the location of the user equipment changes.
  • the location information of the UE may be location information of the UE in the macro network, such as a Tracking Area Identity (TAI), a Routing Area Identity (RAI), and a Global Cell Identity (Cell Global Identifier, CGI ) , E-UTRAN Global Community Identity (E-UTRAN Cell Global Identifier, ECGI) or Service Area Identity (SAI), which may also be Closed Subscriber Group (CSG) information of the UE.
  • TAI Tracking Area Identity
  • RAI Routing Area Identity
  • CGI Global Cell Identity
  • E-UTRAN Global Community Identity E-UTRAN Cell Global Identifier
  • SAI Service Area Identity
  • Step 104 Send location information of the user equipment to a packet data gateway corresponding to the identifier information of the packet data gateway.
  • the SGW After receiving the modify bearer request message sent by the target mobility management network element, the SGW sends the location information of the UE included in the modify bearer request message to the packet corresponding to the identifier of the packet data gateway included in the modify bearer request message. Data gateway.
  • the identifier of the packet data gateway includes a fully qualified tunnel endpoint identifier F-TEID of the packet data gateway, determining, according to the F-TEID, a general packet radio service tunneling protocol GTP tunnel that sends the modified bearer request message, by using the F-TEID Determining a GTP tunnel to send location information of the user equipment to the packet data gateway;
  • the F-TEID of the packet data gateway determines, according to the F-TEID, a GTP tunnel that sends the modify bearer request message, and sends the location information of the user equipment to the packet data gateway by using the determined GTP tunnel. ;
  • the mobility management network element may be a Mobility Management Entity (MME) or a general packet radio service monthly support node (Serving) General Packet Radio Service Support Node, SGSN).
  • MME Mobility Management Entity
  • SGSN General Packet Radio Service Support Node
  • the message routing method provided by the embodiment of the present invention may receive the modify bearer request message sent by the target mobility management network element, and obtain the identifier of the PGW and the location information of the UE from the message, and send the location information of the UE to the PGW.
  • the corresponding PGW is identified, and the location information of the UE is avoided from being sent to the PGW that does not need to cover the location information, which reduces the signaling overhead.
  • Embodiment 2 The embodiment of the present invention provides a method for message routing.
  • the mobility management network element is described by using an MME as an example.
  • the MME reports the location information of the UE according to the indication of the PGW, including: Referring to FIG. 3, Step 201 to Step 209:
  • the PGW needs to acquire the location information of the UE, the PGW sends the indication information to the MME, and the MME is required to report the location information of the UE.
  • This part is described by taking the change of the SGW serving the UE in the TAU process as an example, including Step 201:
  • the UE sends a Tracking Area Update (TAU) request message to the target MME.
  • TAU Tracking Area Update
  • the changed MME is the target MME, and the MME before the change is the source MME. If the SGW connected to the MME also changes, the changed SGW becomes The target SGW, the pre-change SGW is referred to as the source SGW.
  • Step 202 The target MME obtains the context information of the UE from the source MME. If the MME serving the UE does not change during the TAU, the step may be omitted.
  • Step 203 The target MME sends a setup session request message to the target SGW.
  • Step 204 The target SGW sends a modify bearer request message to the PGW.
  • Step 205 The PGW sends a modify bearer response message to the target SGW, and if the PGW needs the MME to report the location information of the UE,
  • the modified bearer response message may carry the location reporting indication information, and request the MME to report the location information of the UE, where the location reporting indication information may also indicate that the MME reports the location information of the UE when the location of the UE changes.
  • the PGW sends the location reporting indication information to the MME through the signaling in the TAU process of the UE, so that the MME can know the location information of the UE that needs to be reported.
  • Step 206 The target SGW sends a setup session response message to the target MME, where the setup session response message may include the location report indication information received in step 205.
  • Step 207 The target MME and the HSS perform a location update process. If the MME of the serving UE does not change, the step does not exist.
  • the target MME learns the location information of the UE to be reported according to the received indication information. Further, if the target MME is the first time to receive the indication information, the current location information of the UE may be directly reported to the PGW. If the indication information is not received for the first time, the target MME may occur at the location of the UE. After the transformation, the location information of the UE is reported. Step 208: The source MME deletes the session information on the source SGW. If the SGW of the serving UE does not change, the step does not exist.
  • Step 209 The target MME sends a TAU accept message to the UE.
  • the embodiment of the present invention (refer to steps 201 to 209) is described by taking the TAU process as an example.
  • the PGW may also send the location reporting indication information to the MME through other processes, for example, in a Routing Area Update (RAU) process.
  • RAU Routing Area Update
  • the PGW may send the location reporting indication information to the SGW by modifying the bearer response message, and the SGW sends the location reporting indication information to the SGSN by using a Create Session Reaponse message; if in the TAU and RAU processes, the SGW The PGW can send the location report reporting indication information to the SGW by modifying the bearer request message, and the SGW sends the location reporting indication information to the MME by modifying the bearer request message. In the bearer establishment process, the PGW can establish a bearer request (Create Bearer Request).
  • step 301 308 is that the MME sends the location information of the UE to the corresponding PGW through the SGW. This part is described as an example in which the SGW does not change during the TAU process.
  • Step 301 The UE sends a TAU request message to the target MME.
  • Step 302 The target MME obtains the context information of the UE from the source MME, and the step is optional. If the MME does not change during the TAU, the step may be omitted.
  • the target MME may also obtain PDN connection context information or bearer context information or PDP context information from the source MME.
  • the source MME receives the location reporting indication information sent by the PGW
  • the source MME obtains the PGW that receives the location information of the UE according to the location reporting indication information sent by the PGW. For example, the identification information of the PGW and the corresponding relationship of the location information are saved.
  • the source MME may save the correspondence between the location report indication information and the identifier of the PGW in the context information of the UE or the PDN connection context, where The F-TEID of the PGW is allocated by the PGW when a PDN connection is established between the source MME and the PGW.
  • the source MME stores the correspondence between the default bearer identifier and the location report indication information in the context, PDN of the UE.
  • the default bearer identifier is allocated when a PDN connection is established between the source MME and the PGW.
  • the source MME stores the correspondence between the dedicated bearer identifier and the location report indication information in the context, PDN of the UE.
  • the private bearer identifier is allocated between the source MME and the PGW to establish a dedicated bearer.
  • the source MME may also include a field indicating the location information in the identifier information of the PGW to identify the location information of the UE that needs to be reported by the PGW. For example, add an extension bit in the logo of the PGW, or add a suffix, etc.
  • the target MME acquires at least one of the context information, the bearer context information, the PDN connection context, and the PDP context of the UE from the source MME
  • the location indication indication information sent by the PGW is obtained, and the UE is required to acquire the UE according to the location indication information.
  • the location information is reported, and the identification information of the PGW that receives the location information of the UE.
  • the location of the UE is changed.
  • the target MME reports the location information of the UE to the PGW through the SGW, and also sends the identifier information of the PGW to the SGW.
  • the SGW sends the location information of the UE to the identifier of the PGW. The corresponding PGW of the information.
  • the MME directly obtains the identification information of the PGW that receives the location information of the UE according to the location reporting indication information sent by the PGW, and sends the location information of the UE and the identification information of the PGW to the SGW. .
  • the target MME is configured to report the location information of the UE, and the location information of the UE is sent to the SGW by using the modified bearer request message. Further, when the location of the UE changes, the target MME passes the location information of the UE by using the modified bearer request. The message is sent to the SGW.
  • the MME may obtain the location information of the UE by tracking the area update message, or may obtain the location information of the UE by subscribing to the eNodeB.
  • the source MME and the target MME are the same MME, and the target MME receives the location indication information sent by the PGW, and sends the modified bearer request to the SGW.
  • the message carries the identification information of the PGW.
  • Step 304 The SGW sends a modify bearer request message to the PGW.
  • the SGW receives the modify bearer request message sent by the target MME, obtains the identifier information of the PGW and the location information of the UE in the modify bearer request message, and sends the location information of the UE to the
  • the PGW's identification information corresponds to the PGW.
  • the SGW finds the corresponding PDN connection context by using the default bearer identifier or the dedicated bearer identifier, and obtains the F-TEID information of the PGW stored in the PDN connection context, and The modified bearer request message is sent to the corresponding PGW by the GTP tunnel determined by the F-TEID identifier of the PGW, and the modified bearer request message includes the location information of the UE. If the PGW identifier is the PGW F-TEID, the SGW will modify the bearer request message.
  • the GTP tunnel determined by the F-TEID identifier of the PGW is sent to the corresponding PGW, and the tampering request message includes the location information of the UE.
  • a GTP tunnel is used to forward signaling messages and service data packets.
  • a GTP tunnel can be classified into a user plane tunnel and a control plane tunnel.
  • the granularity of the GTP tunnel can be based on user equipment (UE), packet data network connection (PDN Connection), bearer context (Bearer Context), or PDP.
  • Context Packet Data Protocol Context, PDP Contxet
  • the GTP-enabled network element can identify a GTP tunnel through the IP address, UDP port number, and tunnel endpoint identifier (TEID).
  • the SGW and the PGW pass the GTP tunnel.
  • the SGW can uniquely determine a PGW through a GTP tunnel.
  • the F-TEID information of the PGW includes the IP address and/or the tunnel point identifier of the PGW.
  • the UDP port number sent by the request message is unique. Therefore, the SGW can uniquely determine a GTP tunnel according to the F-TEID of the PGW, and send the location information of the UE to the corresponding PGW through the determined GTP tunnel.
  • Step 305 The PGW sends a modify bearer response message to the SGW.
  • Step 306 The SGW sends a modify bearer response message to the target MME;
  • Step 308 The target MME sends a TAU accept message to the UE.
  • the GTP protocol is used between the SGW and the PGW as an example.
  • the steps 304 and 305 of the embodiment of the present invention are Step 304a: The SGW sends a Gateway Control and QoS Policy Rules Request Procedure to the PCRF, and the SGW sends a charging control request command to the PCRF;
  • the SGW searches for the corresponding PDN connection context according to the PGW identification information in the modify bearer request message sent by the MME, and obtains a session identifier (for example, a session ID) in the PDN connection context, and determines, according to the session identifier, the SGW and the PCRF to use the session connection.
  • the location information of the UE is sent to the PCRF.
  • Step 304b The PCRF receives the location information of the UE sent by the SGW, and obtains the session identifier used by the SGW.
  • the PCRF sends a PCC Rules Provision Procedure to the PGW, and sends the session connection corresponding to the obtained session identifier to the PGW.
  • the location information of the UE, and the PCRF sends a re-authentication request command to the PGW.
  • Step 305a The PGW sends a re-authentication confirmation command to the PCRF to confirm the location information of the received user.
  • Step 305b The PCRF sends a charging control confirmation command to the SGW to confirm the location information of the received user.
  • the SGW after the SGW receives the modify bearer request message that is sent by the MME and includes the location information of the UE, if the SGW and the PGW use the GTP protocol, the SGW obtains the identifier of the corresponding PGW according to the modified bearer request message, and receives the identifier. The obtained UE location information is sent to the corresponding data gateway through the GTP tunnel corresponding to the PGW identifier. If SGW and PGW use PMIP The protocol, the SGW obtains the session identifier in the PDN connection according to the modified bearer request message, and sends the obtained UE location information to the PCRF through the determined session connection, so that the PCRF is sent to the corresponding PGW.
  • the SGW can send the location information of the UE to the PGW requesting the MME to report the location information, and the SGW can prevent the SGW from transmitting the location information to all the PGWs, which can reduce the signaling expenditure.
  • Embodiment 3 Referring to FIG. 5a, an embodiment of the present invention provides a method for information routing.
  • a mobility management network element is described by using an MME as an example.
  • the method includes: Step 501: The MME detects that the location information of the UE changes, and sends a modify bearer request message to the SGW.
  • the PGW may send the location report indication information to the MME. For details, refer to the description in steps 201-209.
  • the MME After receiving the location reporting indication information sent by the PGW, the MME saves the location reporting indication information and the identifier of the PGW, as described in step 202.
  • the change of the location information of the UE may include that the TAI, RAI, CGI, ECGI, or SAI of the UE changes or the CSG information of the UE changes or the ECGI information of the UE changes; the MME may obtain the location of the UE by subscribing to the eNodeB. Whether the information has changed, when the MME detects that the location information of the UE changes, the MME sends a modify bearer request message to the SGW, where the modify bearer request message includes the identifier of the PGW and the changed location information of the UE.
  • Step 502 The SGW sends a modify bearer request message to the PGW, where the message carries the location information of the UE.
  • the SGW After receiving the modify bearer request message sent by the MME, the SGW determines, according to the PGW identifier in the modify bearer request message, the GTP tunnel that delivers the modify bearer request message, and the determined The GTP tunnel sends the modified bearer request message to the PGW, where the modified bearer request message includes the changed location information of the UE.
  • Step 503 The PGW sends a modify bearer response message to the SGW.
  • Step 504 The SGW sends a modify bearer response message to the MME.
  • the embodiment of the present invention is described by using the GTP protocol of the SGW and the PGW as an example. Referring to FIG.
  • Step 502a The SGW sends a Gateway Control and QoS Policy Rules Request Procedure to the PCRF, and the SGW sends a charging control request command to the PCRF;
  • the SGW searches for the corresponding PDN connection context according to the PGW identification information in the modify bearer request message sent by the MME, and obtains a session identifier (for example, a session ID) in the PDN connection context, and determines, according to the session identifier, the SGW and the PCRF to use the session connection.
  • the location information of the UE is sent to the PCRF.
  • Step 502b The PCRF receives the location information of the UE sent by the SGW, and obtains the session identifier used by the SGW.
  • the PCRF sends a PCC Rules Provision Procedure to the PGW, and sends the session connection corresponding to the session identifier to the PGW.
  • the location information of the UE, and the PCRF sends a re-authentication request command to the PGW.
  • Step 503a The PGW sends a re-authentication confirmation command to the PCRF to confirm the location information of the received user.
  • Step 503b The PCRF sends a charging control confirmation command to the SGW to confirm the location information of the received user.
  • the mobility management network element may also be an SGSN, and the process is the same as the description of the foregoing steps.
  • the SGW can send the location information of the UE to the PGW requesting the MME to report the location information, and the SGW can prevent the SGW from transmitting the location information to all the PGWs, which can reduce the signaling expenditure. Referring to FIG.
  • an embodiment of the present invention provides a service gateway, including: a receiving unit 602, configured to receive a modify bearer request message sent by a mobility management network element, where the modify bearer request message includes an identifier of a packet data gateway. Location information of the user equipment;
  • the sending unit 604 is configured to send location information of the user equipment received by the receiving unit to a packet data gateway corresponding to the identifier of the packet data gateway.
  • the receiving unit 602 may include:
  • the first receiving subunit 6021 is configured to receive a modify bearer request message sent by the mobility management network element during a routing area update RAU or a tracking area update TAU of the user equipment; or
  • the second receiving sub-unit 6022 is configured to receive a modify bearer request message that is sent by the mobility management network element after detecting that the location information of the user equipment is changed, where the modify bearer request message includes the location change of the user equipment. location information.
  • the sending unit 604 includes: a first sending subunit 6041, configured to: when the identifier of the packet data gateway includes a fully qualified tunnel endpoint identifier F-TEID of the packet data gateway, Determining, by the F-TEID, a General Packet Radio Service Tunneling Protocol GTP tunnel that sends the Modify Bearer Request message, and transmitting the location information of the user equipment to the packet data gateway by using the determined GTP tunnel; or the second sender
  • the unit 6042 is configured to: when the identifier of the packet data gateway includes a default bearer identifier or a dedicated bearer identifier, determine packet data network PDN connection context information according to the default bearer identifier or the dedicated bearer identifier, and according to the The PDN connection
  • an embodiment of the present invention provides a communication system, including: a mobility management network element 702, configured to send a modify bearer request message to a serving gateway 704, where the modify bearer request message includes an identifier of a packet data gateway. Location information of the user equipment;
  • the serving gateway 704 is configured to receive a modify bearer request message sent by the mobility management network element 702, and send location information of the user equipment to a packet data gateway corresponding to the packet data gateway identifier.
  • the mobility management network element 702 is further configured to determine, according to the location reporting indication information sent by the packet data gateway, a packet data gateway that receives location information of the user equipment.
  • the mobility management network element 702 is configured to send a modify bearer request message to the service gateway during a routing area update RAU or a tracking area update TAU of the user equipment; or
  • the mobile management network element 702 is configured to send a modify bearer request message to the serving gateway after detecting that the location information of the user equipment is changed, where the modify bearer request message includes the user equipment bit Set the changed position information.
  • the service gateway 704 is configured to: when the identifier of the packet data gateway includes the fully qualified tunnel endpoint identifier F-TEID of the packet data gateway, determine, according to the F-TEID, a general packet radio service tunneling protocol that sends the modified bearer request message. a GTP tunnel, where the location information of the user equipment is sent to the packet data gateway by using the determined GTP tunnel; or
  • the serving gateway 704 is configured to: when the identifier of the packet data gateway includes a default bearer identifier or a dedicated bearer identifier, determine, according to the default bearer identifier or the dedicated bearer identifier, a PDN connection context information of the packet data network, and according to the The PDN connection context information is used to obtain the F-TEID of the packet data gateway, and the GTP tunnel that sends the modify bearer request message is determined according to the F-TEID, and the location information of the user equipment is sent by using the determined GTP tunnel. Giving the packet data gateway; or
  • the service gateway 704 is configured to: when the identifier of the packet data gateway includes at least one of an F-TEID, a default bearer identifier, and a dedicated bearer identifier of the packet data gateway, search for a corresponding PDN according to the identifier of the packet data gateway. Connecting the context information, and determining a session connection according to the session identifier in the PDN connection context information, and sending the modify bearer request message to the policy decision entity PCRF through the determined session connection, so that the PCRF sends the user Location information of the device is sent to the packet data gateway over the determined session connection.
  • the communication system may further include:
  • the communication system may further include: a service gateway 704, configured to search for corresponding PDN connection context information according to the identifier of the packet data gateway, and connect according to the PDN.
  • the session identifier in the context information determines a session connection, and the modified bearer request message is sent to the policy decision entity 706 through the determined session connection; the policy decision entity 706 passes the location information of the user equipment sent by the service gateway 704
  • the determined session connection is sent to the packet data gateway.
  • the serving gateway receives the update bearer request message sent by the mobility management network element, where the modify bearer request message includes the location information of the UE and the identifier of the PGW, and the SGW may send the mobility management network element.
  • the location information of the UE is sent to the PGW corresponding to the identifier of the PGW, which saves signaling overhead.
  • the foregoing program may be stored in a computer readable storage medium, and when executed, the program includes The foregoing steps of the method embodiment; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk. It is apparent that those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and the modifications of the invention

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  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention se rapporte, dans ses modes de réalisation, à un procédé de routage de message, à une passerelle de service associée et à un système de communication associé. Le procédé de routage de message comprend les étapes suivantes : un message de demande de changement de support envoyé par un élément de réseau de gestion de mobilité est reçu ; un identifiant de passerelle de données par paquets et des informations de localisation d'un dispositif utilisateur sont inclus dans le message de demande de changement de support ; les informations de localisation du dispositif utilisateur sont envoyées à la passerelle de données par paquets correspondant à l'identifiant de passerelle de données par paquets.
PCT/CN2010/070667 2010-02-11 2010-02-11 Procédé de routage de message, passerelle de service et système de communication associés WO2011097814A1 (fr)

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CN201080001634.9A CN102449960B (zh) 2010-02-11 2010-02-11 消息路由的方法、服务网关和通信系统
PCT/CN2010/070667 WO2011097814A1 (fr) 2010-02-11 2010-02-11 Procédé de routage de message, passerelle de service et système de communication associés

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CN114286450B (zh) * 2020-09-27 2023-09-19 中国移动通信集团设计院有限公司 承载建立方法、装置、电子设备及存储介质

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CN101540788A (zh) * 2008-03-21 2009-09-23 Lg电子株式会社 在因特网协议电视接收机中处理数据的方法和因特网协议电视接收机

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