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WO2011109999A1 - Procédé d'indication de données et élément de réseau de gestion de mobilité - Google Patents

Procédé d'indication de données et élément de réseau de gestion de mobilité Download PDF

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Publication number
WO2011109999A1
WO2011109999A1 PCT/CN2010/076193 CN2010076193W WO2011109999A1 WO 2011109999 A1 WO2011109999 A1 WO 2011109999A1 CN 2010076193 W CN2010076193 W CN 2010076193W WO 2011109999 A1 WO2011109999 A1 WO 2011109999A1
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WO
WIPO (PCT)
Prior art keywords
network element
packet data
gateway
local packet
lipa
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2010/076193
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English (en)
Chinese (zh)
Inventor
张艳平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/CN2010/076193 priority Critical patent/WO2011109999A1/fr
Priority to CN201080002505.1A priority patent/CN102754460B/zh
Publication of WO2011109999A1 publication Critical patent/WO2011109999A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • 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

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a method for indicating information and a mobile management network element. Background technique
  • Access services for example: Provide access services by deploying home access network elements in homes, shopping malls, or enterprises.
  • LIPA Local IP Access
  • UE User Equipment
  • the local packet data network gateway located in the home access network element can be used.
  • IPTO IP Traffic Offload
  • a local packet data network gateway and a home access network element are combined, and the enterprise network adopts a network architecture in which a local packet data network gateway is separated from the home access network element, and the two network architectures are used.
  • the mobile management network element establishes a LIPA/SIPTO bearer or a public data network (PDN) connection in different ways. If the mobility management network element always indicates that the Serving Gateway (SGW) assists in establishing the LIPA/SIPTO bearer or the PDN connection, the service gateway and the local packet data network gateway in the home network architecture are caused.
  • SGW Serving Gateway
  • the increase in signaling interaction increases the burden on the serving gateway and the local packet data network gateway; if the mobility management network element does not always indicate that the serving gateway assists in establishing a LIPA/SIPTO bearer or PDN connection, it will result in LIPA under the enterprise network architecture.
  • the round-trip of /SIPTO data transmission cannot meet the purpose of saving transmission costs by LIPA/SIPTO bearer or PDN connection.
  • a local packet data network gateway and a home access network element are combined, and the enterprise network adopts a network structure of a local packet data network gateway and a service gateway, and the two network architectures move.
  • the way the management NE establishes LIPA/SIPTO! ⁇ or PDN connections is also different. If the mobility management network element does not provide the LIPA/SIPTO related user plane information allocated by the local packet data network gateway to the home access network element, the LIPA/SIPTO data transmission in the home network architecture may be detoured, and the LIPA/SIPTO cannot be satisfied.
  • the bearer or PDN connection saves the transmission cost; if the mobility management network element always provides the LIPA/SIPTO related user plane information allocated by the local packet data network gateway to the home access network element, the uplink network direction is caused by the enterprise network architecture.
  • the home access network element simultaneously maintains the data path between the service gateway and the data path of the local packet data network gateway, increases the complexity of the home access network element, and the LIPA/SIPTO data in the downlink direction under the enterprise network architecture.
  • the round trip of the transmission cannot meet the purpose of saving the transmission cost of the LIPA/SIPTO bearer or the PDN connection. Summary of the invention
  • the embodiment of the invention provides a method for indicating information and a mobility management network element, which is used to solve the problem that the mobile management network element cannot determine how to establish a LIPA/SIPTO bearer or a PDN connection for the terminal.
  • An embodiment of the present invention provides a method for indicating information, including:
  • the mobility management network element acquires setting information of the local packet data network gateway from the home access network element; the mobility management network element sends the LIPA/SIPTO indication information to the service gateway according to the setting information of the local packet data network gateway; or
  • the mobility management network element acquires setting information of the local packet data network gateway from the home access network element; the mobility management network element sends the service information according to the setting information of the local packet data network gateway
  • the gateway sends a create session request message, where the create session request message does not include the LIPA/SIPTO indication information; or
  • the mobility management network element acquires the setting information of the local packet data network gateway from the home access network element; the mobility management network element sends the obtained local to the home access network element according to the setting information of the local packet data network gateway LIPA/SIPTO related user plane information allocated by the packet data network gateway; or
  • the mobility management network element obtains the setting information of the local packet data network gateway from the home access network element; the mobility management network element sends the obtained service gateway allocation to the home access network element according to the setting information of the local packet data network gateway.
  • LIPA/SIPTO related user plane information LIPA/SIPTO related user plane information.
  • the embodiment of the invention further provides a mobility management network element, including:
  • the processing module configured to send the LIPA/SIPTO indication information to the serving gateway according to the setting information of the local packet data network gateway ;
  • the processing module configured to send a create session request message to the serving gateway according to the setting information of the local packet data network gateway,
  • the LIPA/SIPTO indication information is not included in the create session request message;
  • the processing module configured to send, to the home access network element, the acquired information according to the setting information of the local packet data network gateway LIPA/SIPTO related user plane information allocated by the local packet data network gateway; or
  • the mobility management network element of the embodiment of the present invention can determine whether the service gateway is assisted to be established by using the acquired setting information of the local packet data network gateway.
  • LIPA/SIPTO bearer or PDN connection can determine whether the home access network element is instructed to establish a LIPA/SIPTO bearer or a PDN connection, which solves the problem that the mobility management network element cannot determine how to establish a LIPA/SIPTO bearer or a PDN connection for the terminal, and avoids
  • the increase of signaling interaction between the serving gateway and the local packet data network gateway avoids the round trip of the LIPA/SIPTO data transmission and reduces the complexity of the home access network element.
  • FIG. 1 is a schematic flowchart of a method for indicating information according to Embodiment 1 of the present invention
  • Embodiment 2 is a schematic flowchart of a method for indicating information provided by Embodiment 2 of the present invention
  • Embodiment 3 is a schematic flowchart of a method for indicating information provided by Embodiment 3 of the present invention.
  • Embodiment 4 is a schematic flowchart of a method for indicating information provided by Embodiment 4 of the present invention.
  • FIG. 5 is a schematic structural diagram of a mobility management network element according to Embodiment 5 of the present invention. detailed description
  • the Local Packet Data Network Gateway (L-PGW) described in the embodiment of the present invention is a Packet Data Network Gateway (PGW) that transmits LIPA/SIPTO data.
  • PGW Packet Data Network Gateway
  • FIG. 1 is a schematic flowchart of a method for indicating information according to Embodiment 1 of the present invention. It is applicable to the network architecture of the home network using the local packet data network gateway and the home access network element.
  • the enterprise network adopts a network architecture scheme in which the local packet data network gateway is separated from the home access network element.
  • the method for indicating information in this embodiment may include the following steps:
  • Step 101 The mobility management network element acquires, from the home access network element, setting information of the local packet data network gateway.
  • the setting information of the local packet data network gateway may include an indication that the home access network element is separated or not separated from the local packet data network gateway, an indication, a need, or a home access network element serving the home network or the enterprise network. There is no need to instruct the serving gateway to establish an LIPA/SIPTO bearer or PDN connection.
  • the setting information of the local packet data network gateway may be pre-configured in the home access network element, or may be obtained from other devices in advance for the home access network element.
  • Step 102 The mobility management network element sends LIPA/SIPTO indication information to the serving gateway according to the setting information of the local packet data network gateway, or sends a create session request message to the serving gateway, where the creation session request message does not include LIPA/SIPTO Instructions.
  • the home network adopts a network architecture in which a local packet data network gateway and a home access network element are combined
  • the enterprise network adopts a network structure in which a local packet data network gateway is separated from the home access network element, if the foregoing local grouping
  • the setting information of the data network gateway is:
  • the home access network element serves the indication of the home network or the enterprise network and identifies the home access network element to serve the enterprise network or needs or does not need to instruct the service gateway to establish a LIPA/SIPTO bearer; or
  • the indication of the PDN connection and the identifier needs to indicate that the service gateway establishes a LIPA/SIPTO bearer or a PDN connection;
  • the mobility management network element sends the LIPA/SIPTO indication information to the service gateway according to the setting information of the local packet data network gateway.
  • the home access network element serves the indication of the home network or the enterprise network and identifies the home access network element to serve the home network or needs or does not need to instruct the service gateway to establish a LIPA/SIPTO bearer; or
  • the indication of the PDN connection and the identification does not need to instruct the service gateway to establish a LIPA/SIPTO bearer or a PDN connection.
  • the mobility management network element does not send the LIPA/SIPTO indication information to the serving gateway according to the setting information of the local packet data network gateway, that is, the mobility management network element sends a create session request to the serving gateway according to the setting information of the local packet data network gateway.
  • the message, the above creation session request message does not include the LIPA/SIPTO indication information.
  • the mobility management network element can determine whether the serving gateway assists in establishing the LIPA/SIPTO bearer or the PDN connection by using the obtained setting information of the local packet data network gateway, so that the mobility management network element always sends the LIPA to the serving gateway.
  • /SIPTO indicates that the signaling interaction between the serving gateway and the local packet data network gateway in the home network architecture is reduced, the burden on the serving gateway and the local packet data network gateway is reduced, and the mobility management network element is always avoided.
  • the return of LIPA/SIPTO data transmission under the enterprise network architecture caused by not sending LIPA/SIPTO indication information to the serving gateway satisfies the purpose of saving transmission cost of LIPA/SIPTO bearer or PDN connection.
  • FIG. 2 is a schematic flowchart of a method for indicating information according to Embodiment 2 of the present invention.
  • the embodiment is applicable to a network architecture in which a home network data gateway and a home access network element are combined in a home network, and the enterprise network adopts a local grouping.
  • the method for indicating information in this embodiment may include the following steps:
  • Step 201 The mobility management network element obtains the setting information of the local packet data network gateway.
  • the mobility management network element may obtain the setting information of the local packet data network gateway by:
  • the home access network element and the mobility management network element establish an underlying connection, and the mobility management network element receives the S1 interface establishment request (S1 Setup Request) message sent by the home access network element, and the foregoing S1 interface
  • the setup request message can include the following instructions:
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier is separated from the local packet data network gateway, indicating that the cell does not exist, and the home access network element is combined with the local packet data network gateway.
  • the above indication may also be identified by indicating the value of the cell, for example: 0 identifies that the home access network element is separated from the local packet data network gateway, 1 identifies the home access network element and the local packet data network gateway.
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier identifies the home access network element serving the home network, that is, the terminal accesses the mobile operator network through the home network, indicating that the cell does not exist to identify the home access.
  • the network element serves the enterprise network, that is, the terminal accesses the mobile operator network through the enterprise network, and vice versa; the above indication may also be identified by indicating the value of the cell, for example: 0 identifies the home access network element to serve the home network 1 indicates that the home access network element serves the enterprise network.
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the foregoing indication may be identified by indicating whether a cell exists, for example: indicating that the cell presence identifier needs to indicate that the serving gateway establishes a LIPA/SIPTO bearer or a PDN connection, indicating that the cell does not exist, the indication does not need to instruct the service gateway to establish a LIPA/SIPTO bearer or a PDN.
  • the connection may be the same.
  • the above indication may also be identified by indicating the value of the cell.
  • 0 indicates that the service gateway needs to be instructed to establish a LIPA/SIPTO bearer or PDN connection, and the identifier does not need to indicate that the service gateway establishes a LIPA/SIPTO bearer or
  • the PDN connection does not limit the specific value of the indication cell in the embodiment of the present invention.
  • the mobile management network element After receiving the access request message sent by the terminal, the mobile management network element receives the access request message sent by the terminal.
  • the initial terminal message (Initial UE message), the initial terminal message may include the following indications:
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier is separated from the local packet data network gateway, indicating that the cell does not exist, and the home access network element is combined with the local packet data network gateway.
  • the above indication may also be identified by indicating the value of the cell, for example: 0 identifies that the home access network element is separated from the local packet data network gateway, 1 identifies the home access network element and the local packet data network gateway.
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier identifies the home access network element serving the home network, that is, the terminal accesses the mobile operator network through the home network, indicating that the cell does not exist to identify the home access.
  • the network element serves the enterprise network, that is, the terminal accesses the mobile operator network through the enterprise network, and vice versa; the above indication may also be identified by indicating the value of the cell, for example: 0 identifies the home access network element to serve the home network 1 indicates that the home access network element serves the enterprise network.
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the foregoing indication may be identified by indicating whether a cell exists, for example: indicating that the cell presence identifier needs to indicate that the serving gateway establishes a LIPA/SIPTO bearer or a PDN connection, indicating that the cell does not exist, the indication does not need to instruct the service gateway to establish a LIPA/SIPTO bearer or a PDN.
  • the connection may be the same.
  • the above indication may also be identified by indicating the value of the cell.
  • the access request message may be an attach request (Attach Request) message, a Routing Area Update Request message, a Tracking Area Update Request message, a Service Request message, or the like. Message.
  • the terminal moves from the coverage of one home access network element, that is, the source home access network element, to the coverage of another home access network element, that is, the target home access network element, and the mobile management network element receives the target home access.
  • the handover request acknowledgement message or the path switch request message sent by the network element, where the handover request acknowledgement message or the path switch request message may include the following indications:
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier is separated from the local packet data network gateway, indicating that the cell does not exist, and the home access network element is combined with the local packet data network gateway.
  • the above indication may also be identified by indicating the value of the cell, for example: 0 identifies that the home access network element is separated from the local packet data network gateway, 1 identifies the home access network element and the local packet data network gateway.
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier identifies the home access network element serving the home network, that is, the terminal accesses the mobile operator network through the home network, indicating that the cell does not exist to identify the home access.
  • the network element serves the enterprise network, that is, the terminal accesses the mobile operator network through the enterprise network, and vice versa; the above indication may also be identified by indicating the value of the cell, for example: 0 identifies the home access network element to serve the home network 1 indicates that the home access network element serves the enterprise network.
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the foregoing indication may be identified by indicating whether a cell exists, for example: indicating that the cell presence identifier needs to instruct the service gateway to establish a LIPA/SIPTO bearer or a PDN connection, indicating that the cell does not exist. It is not necessary to indicate that the service gateway establishes a LIPA/SIPTO bearer or a PDN connection, and vice versa; the above indication may also be identified by indicating the value of the cell, for example: 0 identifies that the service gateway needs to be instructed to establish a LIPA/SIPTO bearer or a PDN connection, The identifier does not need to indicate that the serving gateway establishes a LIPA/SIPTO bearer or a PDN connection. The embodiment of the present invention does not limit the specific value of the indication cell.
  • the foregoing indication may be used as an attribute of a Close Subscriber Group (CSG), and reported to the mobility management network element together with the CSG ID (CSG ID) (for example, in an S1 interface setup request message), specifically Is ⁇ CSG ID, SIPTO indication ⁇ .
  • CSG ID Close Subscriber Group
  • SIPTO indication Is ⁇ CSG ID, SIPTO indication ⁇ .
  • step 201 after the step 201 is performed, the following step 202 may not be performed immediately, and some other processes may be performed. The specific process is not related to the present invention, and details are not described herein again.
  • Step 202 The terminal sends a PDN Connection Request message to the mobility management network element, requesting to establish a LIPA/SIPTO PDN connection.
  • Step 203 The mobility management network element determines, according to the subscription data of the terminal, that the terminal can establish a LIPA/SIPTO PDN connection.
  • Step 204 The mobility management network element sends a Create Session Request message to the serving gateway to create a PDN connection according to the obtained setting information of the local packet data network gateway.
  • the foregoing creation session request message may include L I PA/S I PTO indication information, as follows:
  • the above-mentioned creation session request message includes the LIPA/SIPTO indication information, and the LIPA/SIPTO indication information includes the information about the default bearer identifier associated with the PDN connection to be created, to indicate that the PDN connection to be created is a LIPA/SIPTO connection or The default bearer is indicated as a LIPA/SIPTO bearer; otherwise, if the indication that the home access network element is not separated from the local packet data network gateway (co-located), the LIPA/SIPTO indication information is not included in the create session request message.
  • the above-mentioned creation session request message includes the LIPA/SIPTO indication information, and the LIPA/SIPTO indication information includes the information about the default bearer identifier associated with the PDN connection to be created, to indicate that the PDN connection to be created is a LIPA/SIPTO connection. Or indicating that the default bearer is a LIPA/SIPTO bearer; otherwise, if the indication that the home access network element serves the home network, the above-mentioned create session request message does not include the LIPA/SIPTO indication information.
  • step 201 includes the indication that the service gateway is required to establish a LIPA/SIPTO bearer or a PDN connection, and the indication identifier needs to instruct the service gateway to establish a LIPA/SIPTO bearer or a PDN connection, the foregoing create a session request message.
  • the LIPA/SIPTO indication information is included, and the LIPA/SIPTO indication information includes information such as a default bearer identifier associated with the created PDN connection, to indicate that the created PDN connection is a LIPA/SIPTO connection or the default bearer is LIPA/ The SIPTO bearer; otherwise, the indication identifier does not need to indicate that the serving gateway establishes a LIPA/SIPTO bearer or a PDN connection, and the above-mentioned create session request message does not include the LIPA/SIPTO indication information.
  • the LIPA/SIPTO indication information includes information such as a default bearer identifier associated with the created PDN connection, to indicate that the created PDN connection is a LIPA/SIPTO connection or the default bearer is LIPA/ The SIPTO bearer; otherwise, the indication identifier does not need to indicate that the serving gateway establishes a LIPA/SIPTO bearer or a PDN connection, and the above-mentioned create session request message does not include the
  • Step 205 The serving gateway sends the foregoing create session request to the local packet data network gateway.
  • Step 207 The service gateway returns a create session response message to the mobility management network element, where the create session response message includes user plane information allocated by the service gateway.
  • Step 208 The mobile management network element sends a radio access bearer setup request (RAB Setup Request) message to the home access network element.
  • RAB Setup Request radio access bearer setup request
  • Step 209 The home access network element allocates resources for the bearer, establishes a radio bearer at the same time, and returns a radio access bearer setup response (RAB Setup Response) message to the mobility management network element.
  • Step 210 The mobility management network element sends a modification to the serving gateway.
  • Bearer request Modify Bearer Request, the message, the modified bearer request message includes LIPA/SIPTO related user plane information allocated by the home access network element;
  • Step 211 If the serving gateway obtains the LIPA/SIPTO indication information in the foregoing step 204, the serving gateway sends the modified bearer request message to the local packet data network gateway.
  • the serving gateway does not send the modified bearer request message to the local packet data network gateway.
  • Step 212 The local packet data network gateway returns a Modify Bearer Response message to the serving gateway.
  • Step 213 The serving gateway returns the modified bearer response message to the local packet data network gateway.
  • the creation session request message sent by the mobility management network element to the serving gateway may not include the LIPA/SIPTO indication information, and in step 210, the mobility management network element sends the message to the serving gateway.
  • the modify bearer request message includes the above LIPA/SIPTO indication information.
  • a home access gateway exists between the home access network element and the mobility management network element, the message between the home access network element and the mobility management network element is transmitted through the home access gateway.
  • the mobility management network element may indicate The serving gateway establishes a LIPA/SIPTO bearer or a PDN connection, so that the serving gateway provides the LIPA/SIPTO related user plane information allocated by the home access network element to the local packet data network gateway; if the mobile management network element obtains the local packet data network gateway The setting information is learned that the home access network element is combined with the local packet data network gateway, and the LIPA/SIPTO bearer or the PDN connection may not be indicated when the LIPA/SIPTO bearer or the PDN connection is established.
  • the embodiment of the invention avoids the increase of the signaling interaction between the serving gateway and the local packet data network gateway in the home network architecture caused by the mobility management network element always indicating that the serving gateway assists in establishing the LIPA/SIPTO bearer or the PDN connection, and reduces the number of signaling interactions between the serving gateway and the local packet data network gateway.
  • FIG. 3 is a schematic flowchart of a method for indicating information according to Embodiment 3 of the present invention.
  • This embodiment is applicable to a network frame in which a home network uses a local packet data network gateway and a home access network element, as shown in FIG. 3,
  • the method of indicating the information of the embodiment may include the following steps:
  • Step 301 The mobility management network element acquires, from the home access network element, setting information of the local packet data network gateway.
  • the setting information of the local packet data network gateway may include an indication that the home access network element is separated or not separated from the local packet data network gateway, an indication, a need, or a home access network element serving the home network or the enterprise network. There is no need to provide an indication to the home access network element of LIPA/SIPTO related user plane information assigned by the local packet data network gateway.
  • the setting information of the packet data network gateway may be pre-configured in the home access network element, or may be obtained in advance from the other device by the home access network element.
  • Step 302 The mobility management network element sends, according to the setting information of the local packet data network gateway, the obtained LIPA/SIPTO related user plane information allocated by the local packet data network gateway to the home access network element, or to the home access network.
  • the element sends the LIPA/SIPTO related user plane information allocated by the obtained service gateway.
  • the home network adopts a network architecture in which a local packet data network gateway and a home access network element are combined
  • the enterprise network adopts a network structure in which a local packet data network gateway and a service gateway are combined
  • the setting information of the gateway is an indication that the home access network element is separated or not separated from the local packet data network gateway, and the home access network element is not separated from the local packet data network gateway, and the home access network element serves the home network or the enterprise network. And indicate that the home access network element serves the home network or does not need to provide local packet data to the home access network element.
  • the LIPA/SIPTO related user plane information assigned by the network gateway indicates that the LIPA/SIPTO related user plane information allocated by the local packet data network gateway needs to be provided to the home access network element, and the mobility management network element is based on the foregoing local packet data network gateway.
  • the home access network element serves the indication of the home network or the enterprise network, and identifies that the home access network element serves the enterprise network or needs or does not need Providing an indication to the home access network element of the LIPA/SIPTO related user plane information allocated by the local packet data network gateway and identifying the LIPA/SIPTO related user plane information that is not required to provide the home access network element with the local packet data network gateway assignment, and moving
  • the management network element is based on the above-mentioned local packet data network gateway design.
  • the information is that the LIPA/SIPTO related user plane information allocated by the local packet data network gateway is not sent to the home access network element, that is, the mobility management network element is sent to the home access network element according to the setting information of the local packet data network gateway. LIPA/SIPTO related user plane information assigned by the service gateway.
  • the mobility management network element can determine whether the home access network element is instructed to establish a LIPA/SIPTO bearer or a PDN connection by using the obtained setting information of the local packet data network gateway, so that the mobile management network element is always not in the home.
  • the access network element provides the round-trip of the LIPA/SIPTO data transmission in the home network architecture caused by the LIPA/SIPTO related user plane information allocated by the local packet data network gateway, and satisfies the purpose of saving the transmission cost of the LIPA/SIPTO bearer or the PDN connection.
  • the mobile management network element always provides the home access network element with the LIPA/SIPTO related user plane information allocated by the local packet data network gateway, and simultaneously maintains the home access network element in the uplink direction under the enterprise network architecture.
  • the data path between the service gateways and the data path of the local packet data network gateway, the complexity of the home access network element, and the round-trip LIPA/SIPTO data transmission in the enterprise network architecture, satisfying the LIPA/ SIPTO bearer or PDN connection saves transmission costs.
  • Embodiment 4 is a schematic flowchart of a method for indicating information according to Embodiment 4 of the present invention. It is suitable for the home network to use the network architecture of the local packet data network gateway and the home access network element.
  • the enterprise network adopts the network architecture of the local packet data network gateway and the service gateway.
  • the method for indicating information in this embodiment may include the following steps:
  • Step 401 The mobility management network element obtains setting information of the local packet data network gateway.
  • the mobility management network element may obtain the setting information of the local packet data network gateway by using the following manner:
  • the home access network element and the mobility management network element establish an underlying connection, and the mobility management network element receives an S1 interface request (S1 Setup Request) message sent by the home access network element, where the S1 interface setup request message may include the following indication. :
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier is separated from the local packet data network gateway, that is, the local packet data network gateway and the service gateway are combined, indicating that the cell does not exist in the identification family.
  • the access network element is set up with the local packet data network gateway, and vice versa.
  • the foregoing indication may also be identified by indicating the value of the information cell, for example: 0 identifies that the home access network element is separated from the local packet data network gateway, that is, the local grouping.
  • the data network gateway is combined with the service gateway. 1
  • the identifier of the home access network element and the local packet data network gateway are set up, and vice versa.
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier identifies the home access network element serving the home network, that is, the terminal accesses the mobile operator network through the home network, indicating that the cell does not exist to identify the home access.
  • the network element serves the enterprise network, that is, the terminal accesses the mobile operator network through the enterprise network, and vice versa; the above indication may also be identified by indicating the value of the cell, for example: 0 identifies the home access network element to serve the home network 1 indicates that the home access network element serves the enterprise network.
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier needs to provide the LIPA/SIPTO related user plane information allocated by the local packet data network gateway to the home access network element, indicating that the cell does not exist.
  • the LIPA/SIPTO related user plane information allocated by the above-mentioned local packet data network gateway needs to be provided to the home access network element, and vice versa; the above indication may also be identified by indicating the value of the information cell, for example: 0 identifier needs to be connected to the home
  • the incoming network element provides the LIPA/SIPTO related user plane information allocated by the foregoing local packet data network gateway, and 1 identifies that the LIPA/SIPTO related user plane information allocated by the local packet data network gateway is not required to be provided to the home access network element, and the implementation of the present invention is implemented.
  • the example does not limit the specific value of the indicator cell.
  • the mobile management network element receives an initial terminal message (initial UE message) sent by the home access network element after receiving the access request message sent by the terminal, and the initial terminal message may include the following indications:
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier is separated from the local packet data network gateway, that is, the local packet data network gateway and the service gateway are combined, indicating that the cell does not exist in the identification family.
  • the access network element is set up with the local packet data network gateway, and vice versa.
  • the foregoing indication may also be identified by indicating the value of the information cell, for example: 0 identifies that the home access network element is separated from the local packet data network gateway, that is, the local grouping.
  • the data network gateway is combined with the service gateway. 1
  • the identifier of the home access network element and the local packet data network gateway are set up, and vice versa.
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier identifies the home access network element serving the home network, that is, the terminal accesses the mobile operator network through the home network, indicating that the cell does not exist to identify the home access.
  • the network element serves the enterprise network, that is, the terminal is connected through the enterprise network. Entering the mobile operator network, and vice versa; the above indication may also be identified by indicating the value of the cell, for example: 0 identifies the home access network element to serve the home network, 1 identifies the home access network element to serve the enterprise network,
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier needs to provide the LIPA/SIPTO related user plane information allocated by the local packet data network gateway to the home access network element, indicating that the cell does not exist.
  • the LIPA/SIPTO related user plane information allocated by the above-mentioned local packet data network gateway needs to be provided to the home access network element, and vice versa; the above indication may also be identified by indicating the value of the information cell, for example: 0 identifier needs to be connected to the home
  • the incoming network element provides the LIPA/SIPTO related user plane information allocated by the foregoing local packet data network gateway, and 1 identifies that the LIPA/SIPTO related user plane information allocated by the local packet data network gateway is not required to be provided to the home access network element, and the implementation of the present invention is implemented.
  • the example does not limit the specific value of the indicator cell.
  • the access request message may be an attach request (Attach Request) message, a Routing Area Update Request message, a Tracking Area Update Request message, a Service Request message, and the like.
  • the terminal moves from the coverage of one home access network element, that is, the source home access network element, to the coverage of another home access network element, that is, the target home access network element, and the mobile management network element receives the target home connection.
  • the handover request acknowledgement message or the path switch request message sent by the network element may be included in the handover request acknowledgement message or the path switch request message:
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier is separated from the local packet data network gateway, that is, the local packet data network gateway and the service gateway are combined, indicating that the cell does not exist in the identification family.
  • Access network element and local packet data network gateway The above indication may also be identified by indicating the value of the cell, for example: 0 identifies that the home access network element is separated from the local packet data network gateway, that is, the local packet data network gateway and the service gateway are combined, 1 identifier The home access network element is combined with the local packet data network gateway, and vice versa.
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier identifies the home access network element serving the home network, that is, the terminal accesses the mobile operator network through the home network, indicating that the cell does not exist to identify the home access.
  • the network element serves the enterprise network, that is, the terminal accesses the mobile operator network through the enterprise network, and vice versa; the above indication may also be identified by indicating the value of the cell, for example: 0 identifies the home access network element to serve the home network 1 indicates that the home access network element serves the enterprise network.
  • the embodiment of the present invention does not limit the specific value of the indication cell.
  • the indication may be identified by indicating whether the cell exists, for example: indicating that the cell presence identifier needs to provide the LIPA SIPTO related user plane information allocated by the local packet data network gateway to the home access network element, indicating that the cell does not exist identifier Providing the LIPA/SIPTO related user plane information allocated by the local packet data network gateway to the home access network element, and vice versa; the foregoing indication may also be identified by indicating the value of the information, for example: 0 identifier needs to be accessed to the home
  • the network element provides the LIPA/SIPTO related user plane information allocated by the foregoing local packet data network gateway, and 1 identifies that the LIPA/SIPTO related user plane information of the local packet data network gateway allocation is not required to be provided to the home access network element, and the embodiment of the present invention
  • the specific value of the indicator cell is not limited.
  • the foregoing indication may be an attribute of a Close Subscriber Group (CSG), and is reported to the mobility management network element in the S1 interface setup request message together with the CSG identifier (CSG ID), which may be specifically a ⁇ CSG ID.
  • CSG ID CSG identifier
  • SIPTO indication ⁇ SIPTO indication
  • step 401 after performing step 401, the following step 402 may not be performed immediately. Some other processes may also be performed, and the specific processes are not related to the present invention, and are not described herein again.
  • Step 402 The terminal sends a PDN Connection Request message to the mobility management network element, requesting to establish a LIPA/SIPTO PDN connection.
  • Step 403 The mobility management network element determines, according to the subscription data of the terminal, that the terminal can establish a LIPA/SIPTO PDN connection.
  • Step 404 The mobility management network element sends a Create Session Request message to the serving gateway according to the obtained setting information of the local packet data network gateway.
  • Step 405 The serving gateway sends the create session request cancellation step 406 to the local packet data network gateway, and the local packet data network gateway returns a Create Session Response message to the service gateway.
  • Step 407 The serving gateway returns a create session response message to the mobility management network element, where the created session response message includes user plane information allocated by the service gateway and LIPA/SIPTO related user plane information allocated by the local packet data network gateway.
  • the LIPA/SIPTO related user plane information allocated by the foregoing local packet data network gateway is obtained by the serving gateway from the local packet data network gateway.
  • Step 408 The mobile management network element sends a radio access bearer setup request (RAB Setup Request) message to the home access network element.
  • RAB Setup Request radio access bearer setup request
  • the foregoing radio access bearer setup request message may include LIPA SIPTO related user plane information allocated by the local packet data network gateway, and may also include LIPA/SIPTO related user plane information allocated by the service gateway, as follows:
  • the foregoing radio access bearer setup request message includes a local packet data network.
  • the assigned LIPA/SIPTO related user plane information otherwise, if the indication identifies that the home access network element is separated from the local packet data network gateway, the foregoing radio access bearer setup request message includes the LIPA/SIPTO related user allocated by the serving gateway.
  • the foregoing radio access bearer setup request message includes a local packet.
  • the 401 step includes the indication that the user access network element needs to provide the LIPA/SIPTO related user plane information allocated by the local packet data network gateway, and the indication identifier needs to be provided to the home access network element.
  • the LIPA/SIPTO related user plane information allocated by the foregoing local packet data network gateway is provided to the home access network element, and the foregoing radio access bearer setup request message includes LIPA/SIPTO related user plane information allocated by the service gateway.
  • Step 409 The home access network element allocates resources for the bearer, establishes a radio bearer at the same time, and returns a radio access bearer setup response (RAB Setup Response) message to the mobility management network element.
  • Step 410 The mobile management NE sends a modification to the serving gateway. Bearer Request ( Modify Bearer Request) message;
  • Step 411 The serving gateway returns the modify bearer response (Modify Bearer Response) message to the mobility management network element.
  • the foregoing user plane information in the embodiment of the present invention may be a tunnel endpoint identifier (T ⁇ D) that is allocated by the network element to the terminal bearer, or may also be a T allocated by the network element to the terminal bearer.
  • T ⁇ D and IP address may be a combination of a T ⁇ D or a T ⁇ D and an IP address allocated by the local packet data network gateway for the terminal bearer, or may be a service
  • the combination of T ⁇ D or T ⁇ D and IP address allocated by the service gateway for the terminal bearer may also be a combination of T ⁇ D or T ⁇ D and IP address allocated by the home access network element for the terminal bearer.
  • the LIPA/SIPTO related user plane information may be a TEID allocated by the network element to the LIPA/SIPTO bearer, or may be a T ⁇ D and an IP address allocated by the network element to the LIPA/SIPTO bearer.
  • a home access gateway exists between the home access network element and the mobility management network element, the message between the home access network element and the mobility management network element is transmitted through the home access gateway.
  • the mobility management network element learns that the home access network element is combined with the local packet data network gateway by using the obtained setting information of the local packet data network gateway, when establishing the LIPA/SIPTO bearer or the PDN connection, Instructing the home access network element to establish a LIPA/SIPTO bearer or a PDN connection, and providing the home access network element with the LIPA/SIPTO related user plane information allocated by the local packet data network gateway; if the mobile management network element obtains the local packet data network The setting information of the gateway is that the home access network element is separated from the local packet data network gateway.
  • the home access network element may not be instructed to establish a LIPA/SIPTO bearer or a PDN connection.
  • the home access network element provides LIPA/SIPTO related user plane information allocated by the above-mentioned local packet data network gateway.
  • the embodiment of the invention avoids that the mobility management network element does not always indicate that the home access network element establishes a LIPA/SIPTO bearer or a PDN connection, and the LIPA/SIPTO data transmission in the home network architecture satisfies the LIPA/SIPTO bearer or
  • the PDN connection saves the transmission cost, and avoids that the mobile management network element always indicates that the home access network element establishes the LIPA/SIPTO bearer or the PDN connection, and the home access network element is maintained in the uplink direction under the enterprise network architecture.
  • the data path between the service gateway and the data path of the local packet data network gateway reduces the complexity of the home access network element and the round-trip LIPA/SIPTO data transmission in the enterprise network architecture, satisfying the LIPA. /SIPTO bearer or PDN connection saves transmission costs.
  • the method for indicating information in this embodiment can be applied to multiple radio access networks, for example: Universal Mobile Telecommunication System (abbreviation) UMTS) Evolved Universal Mobile Telecommunication System Territorial Radio Access Network (E-UTRAN), UMTS Territorial Radio Access Network (UTRAN), non-third generation partner program (the 3rd Generation Partner Project, referred to as 3GPP) Network and other networks.
  • Universal Mobile Telecommunication System abbreviation
  • UMTS Evolved Universal Mobile Telecommunication System Territorial Radio Access Network
  • UTRAN UMTS Territorial Radio Access Network
  • 3GPP non-third generation partner program
  • the mobility management network element may be a Mobility Management Entity (MME) in the E-UTRAN, or may be a General Packet Radio Service (GPRS) support node in the UTRAN (Serving)
  • MME Mobility Management Entity
  • GPRS General Packet Radio Service
  • the GPRS Supporting Node may also be a non-3GPP gateway including multiple implementation entities in a non-3GPP network, for example, in a Wireless Local Area Network (WLAN), which may be an evolved packet data gateway.
  • the mobility management logic function in the Evolved Packet Data Gateway (ePDG); in the World Interoperability for Microwave Access (WiMAX) network, it can be the gateway of the access service network (Access Service Network). Gateway (referred to as ASN GW); in Code Division Multiple Access (CDMA) network, it can be used in High Rate Packet Data (HRPD) access network (Access Network, called AN). Mobility management logic.
  • ePDG Evolved Packet Data Gateway
  • WiMAX World
  • the home access network element may be a Home Evolved Node B (HeNB) in the E-UTRAN, or may be a Home NodeB (HNB) in the UTRAN, or may be a non-3GPP.
  • HeNB Home Evolved Node B
  • HNB Home NodeB
  • the home access gateway may be a HeNB gateway (HeNB GW) in the E-UTRAN, an HNB gateway (HNB GW) in the UTRAN, or an access gateway logic in the ePDG in the WLAN of the non-3GPP network.
  • HeNB GW HeNB gateway
  • HNB GW HNB gateway
  • ePDG ePDG in the WLAN of the non-3GPP network.
  • Functional, access service network in WiMAX networks A network element such as an Access Service Network Base Station (ASN BS) gateway and an access gateway logic function in the HRPD AN in the CDMA network.
  • ASN BS Access Service Network Base Station
  • FIG. 5 is a schematic structural diagram of a mobility management network element according to Embodiment 5 of the present invention.
  • the mobility management network element in this embodiment may include an audio module 51 and a processing module 52.
  • the mobile management network element obtains the setting information of the local packet data network gateway from the home access network element, and the processing module 52 may send the LIPA/SIPTO to the serving gateway according to the setting information of the local packet data network gateway.
  • the setting information is sent to the home access network element to obtain the LIPA/SIPTO related user plane information allocated by the foregoing local packet data network gateway; or may be sent to the home access network element according to the setting information of the local packet data network gateway. Obtain the LIPA/SIPTO related user plane information assigned by the service gateway.
  • the functions of the mobility management network element, the mobility management network element in the second embodiment of the present invention, the mobility management network element in the third embodiment of the present invention, and the mobility management network element in the fourth embodiment of the present invention are all applicable to the mobile provided by the embodiment. Management network element implementation.
  • the mobility management network element of the embodiment obtains the setting information of the local packet data network gateway acquired by the module, and the processing module can determine whether the service gateway is instructed to assist in establishing the LIPA/SIPTO bearer or the PDN connection, so that the mobility management network element always indicates the service.
  • the increase in signaling interaction between the serving gateway and the local packet data network gateway in the home network architecture caused by the bearer or PDN connection reduces the burden on the serving gateway and the local packet data network gateway, and avoids the mobile management network element always
  • the service gateway is not instructed to assist in establishing the LIPA/SIPTO data transmission in the enterprise network architecture caused by the LIPA/SIPTO bearer or the PDN connection, which satisfies the LIPA/SIPTO bearer or the PDN connection to save the transmission cost.
  • the mobility management network element of the embodiment obtains the setting information of the local packet data network gateway obtained by the module, and the processing module can determine whether the home access network element is instructed to establish a LIPA/SIPTO bearer or a PDN connection, and provide the foregoing to the home access network element.
  • the LIPA/SIPTO related user plane information allocated by the local packet data network gateway prevents the mobile management network element from always indicating the LIPA/SIPTO data in the home network architecture caused by the home access network element establishing the LIPA/SIPTO bearer or the PDN connection.
  • the round-trip of transmission satisfies the purpose of saving transmission cost of LIPA/SIPTO bearer or PDN connection, and avoids that the mobile management network element always indicates that the home access network element establishes LIPA/SIPTO bearer or PDN connection under the enterprise network architecture.
  • the home access network element maintains the data path between the serving gateway and the data path of the local packet data network gateway, which reduces the complexity of the home access network element and the downlink direction in the enterprise network architecture.
  • the round-trip of LIPA SIPTO data transmission meets the LIPA/SIPTO bearer or PDN connection section Destination transport costs.
  • the setting information of the local packet data network gateway acquired by the earing module 51 in this embodiment may include multiple types of information, which may specifically include: the home access network element is separated or not separated from the local packet data network gateway.
  • the processing module 52 in this embodiment may be specifically configured to: if the setting information of the local packet data network gateway is an indication that the home access network element is separated or not separated from the local packet data network gateway, and identify the home access network.
  • the element is separated from the local packet data network gateway, the home access network element serves the indication of the home network or the enterprise network, and identifies the home access network element to serve the enterprise network or needs
  • the setting information indicates that the mobility management network element is instructed to indicate that the serving gateway establishes a LIPA/SIPTO bearer.
  • the home access network element serves the indication of the home network or the enterprise network, and identifies that the home access network element serves the home network or needs or not
  • the indication indicating that the serving gateway establishes the LIPA/SIPTO bearer or the PDN connection is required and the identifier does not need to indicate that the serving gateway establishes the LIPA/SIPTO bearer or the PDN connection
  • the setting information indicates that the mobility management network element is not instructed to indicate that the serving gateway establishes the LIPA/SIPTO Bearer or PDN connection, thereby based on the above local packet data
  • the setting information of the network gateway does not send the LIPA/SIPTO indication information to the serving gateway, that is,
  • the setting information of the local packet data network gateway is an indication that the home access network element is separated or not separated from the local packet data network gateway, and the identification of the home access network element is not separated from the local packet data network gateway.
  • the setting information indicates that the mobility management network element is instructed to indicate that the home access network element establishes the LIPA/ SIPTO bearer or PDN connection, according to the above-mentioned local packet data network Setting information of the gateway, sending, to the home access network element, LIPA/SIPTO related user plane information allocated by the local packet data network gateway; if the setting information of the local packet data network gateway is a home access network element and local packet data
  • the home access network element needs to provide an indication of the LIPA/SIPTO related user plane information allocated by the local packet data network gateway and identify that the LIPA/SIPTO related user plane information of the
  • the LIPA/SIPTO related user plane information allocated by the local packet data network gateway is used to send the LIPA/SIPTO related user plane information allocated by the service gateway to the home access network element according to the setting information of the local packet data network gateway.
  • a person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing steps include the steps of the foregoing method embodiments; 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.

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  • Engineering & Computer Science (AREA)
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Abstract

L'invention concerne un procédé d'indication de données et un élément de réseau de gestion de mobilité (MME). Le procédé comprend les étapes suivantes: un MME obtient les données de configuration d'une passerelle locale de réseau de données par paquets (PDN) provenant d'un élément de réseau d'accès domestique (101); et, selon lesdites données de configuration de la passerelle locale de PDN, le MME envoie des données indiquant l'accès IP local/le transfert de trafic IP sélectionné (LIPA/SIPTO) à une passerelle de desserte, ou envoie à celle-ci des données de demande d'ouverture de session n'incluant pas les données de LIPA/SIPTO, ou envoie les données de plan d'utilisateur liées au LIPA/SIPTO obtenues, qui sont distribuées par la passerelle locale de PDN, à l'élément de réseau d'accès domestique, ou envoie les données de plan d'utilisateur liées au LIPA/SIPTO obtenues, qui sont distribuées par la passerelle de desserte, à l'élément de réseau d'accès domestique. L'invention permet de résoudre le problème de l'incapacité, pour un MME, d'établir la connexion du support de LIPA/SIPTO ou du PDN pour un terminal ; d'éviter une augmentation de la charge des interactions de signalisation entre la passerelle de desserte et la passerelle locale de PDN ainsi qu'une déviation de la transmission des données de LIPA/SIP ; et de réduire la complexité de l'élément de réseau d'accès domestique.
PCT/CN2010/076193 2010-08-20 2010-08-20 Procédé d'indication de données et élément de réseau de gestion de mobilité Ceased WO2011109999A1 (fr)

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