WO2013189443A2 - Procédé, système et passerelle pour obtenir une relation de correspondance entre un identifiant et une adresse dans une station de base enodeb - Google Patents

Procédé, système et passerelle pour obtenir une relation de correspondance entre un identifiant et une adresse dans une station de base enodeb Download PDF

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Publication number
WO2013189443A2
WO2013189443A2 PCT/CN2013/082404 CN2013082404W WO2013189443A2 WO 2013189443 A2 WO2013189443 A2 WO 2013189443A2 CN 2013082404 W CN2013082404 W CN 2013082404W WO 2013189443 A2 WO2013189443 A2 WO 2013189443A2
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Prior art keywords
henb
tnl address
gateway
enb
rnl
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PCT/CN2013/082404
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English (en)
Chinese (zh)
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WO2013189443A3 (fr
Inventor
吴蕴璐
高音
黄莹
刘玉兰
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中兴通讯股份有限公司
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Publication of WO2013189443A2 publication Critical patent/WO2013189443A2/fr
Publication of WO2013189443A3 publication Critical patent/WO2013189443A3/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/09—Mapping addresses
    • H04L61/10—Mapping addresses of different types
    • H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels

Definitions

  • the present invention relates to a wireless communication technology, and in particular, to a method, system, and gateway for acquiring an identity and address matching relationship in a home base station. Background technique
  • the home base station is a small, low-power base station that is deployed as a dedicated resource for private users in private places such as homes, groups, companies, or schools, and is wired via cable, digital subscriber line (DSL, Digital Subscriber Line), or fiber optic cable.
  • the device is connected to the carrier's core network.
  • the primary role of the home base station is to provide users with higher service rates and to reduce the cost of using high-speed services while oversizing the coverage of existing distributed cellular wireless communication systems.
  • the advantages of the home base station include: low cost, easy to use (plug and play), low output power, saving the cost of the operator to set up and maintain the base station, and solving indoor coverage optimization.
  • HeNB evolved Home Evolved NodeB
  • Terminal UE, User Equipment
  • HeNB AN Home Evolved NodeB Access Network
  • HeNB GW Home Evolved NodeB Gateway
  • the functions supported by the HeNB are basically the same as those of the enhanced base station (eNB, evolved Node B). Only one cell is connected under one HeNB.
  • the HeNB GW is an optional network element.
  • the main functions of the HeNB GW are: relaying the UE-related S1 message, terminating the non-UE-related S1 message, and selecting the mobility management entity (MME, Mobility Management Entity) for the UE in the attaching process.
  • the HeNB can directly connect to the Evolved Packet Core (EPC) through the SI interface, where the HeNB connects to the Serving Gateway through the SI-U interface (S-GW, Serving Gateway), the HeNB is connected to the MME through an SI-MME interface.
  • EPC Evolved Packet Core
  • S-GW Serving Gateway
  • the HeNB may also connect to the EPC through the HeNB GW, where the SI-U interface may terminate at the HeNB GW or terminate at the EPC, and the SI-MME interface passes through the HeNB GW to the EPC.
  • the EPC network element includes an MME and an S-GW.
  • the MME is responsible for related functions such as bearer management and mobility management.
  • S-GW takes on the functions of data routing on the user side.
  • the evolved home base station management system (HeMS, HeNB Management System) in FIG. 1 maintains and manages the HeNB, and configures and controls the HeNB according to the requirements of the operator, where the most important is to implement configuration functions for the HeNB, and the configured content. It includes verification of location information, parameters of the HeNB, parameters of the core network, parameters of the radio access network (RAN, Radio Access Network), and parameters of the radio frequency (RF, Radio Frequency).
  • the Security Gateway (SeGW, Security Gateway) supports security-related functions in the network.
  • the 3rd Generation Partnership Project (3GPP) standardized the direct X2 interface between HeNBs for handover purposes during Release 10, as shown in Figure 1.
  • 3GPP will standardize the X2 connection between the eNB and the HeNB at Release 11.
  • the X2 connection between the eNB and the HeNB may be a direct X2 connection, or may be an indirect X2 connection through a new functional entity X2 gateway (X2 GW, X2 Gateway) like the HeNB GW.
  • X2 GW new functional entity X2 gateway
  • X2 GW new functional entity X2 gateway
  • the X2 interface to the X2 GW is reused without any changes to the SCTP, so it is excluded.
  • TNL transport network layer
  • RNL Radio Network Layer
  • ID Identity
  • the X2 GW is to acquire And the matching relationship between the RNL ID and the TNL address is saved, so that when the ⁇ 2 GW receives the X2 message with the target side RNL ID, the matching relationship between the stored RNL ID and the TNL address can be used to route the X2 message to the corresponding target. side.
  • the main purpose of the embodiments of the present invention is to provide a method, a system, and a gateway for acquiring an identity and an address matching relationship in a home base station, where the HeNB GW and the X2 GW are two different logical functions in the same entity. At that time, the X2 GW can obtain the matching relationship between the RNL ID and the TNL address.
  • a method for obtaining a matching relationship between an identifier and an address in a home base station including:
  • the X2 gateway obtains the matching relationship between the radio network layer RNL identifier ID of the evolved home base station HeNB and the transport network layer TNL address through the S1 connection establishment process; or
  • the X2 gateway obtains the matching relationship between the RNL ID and the TNL address of the enhanced base station eNB through the TNL address discovery process.
  • the X2 gateway obtains a matching relationship between the RNL ID and the TNL address of the HeNB through the S1 connection establishment process, and specifically includes:
  • the HeNB When the HeNB establishes an S1 connection with the HeNB gateway, the HeNB sends the RNL ID of the HeNB and the TNL address to the HeNB gateway; the TNL address is a TNL address of the SCTP layer of the flow control transport protocol used for the X2 connection;
  • the logical function X2 gateway of the physical entity shared with the HeNB gateway acquires the matching relationship between the RNL ID and the TNL address of the HeNB in the S1 connection establishment process.
  • the X2 gateway obtains a matching relationship between the RNL ID and the TNL address of the eNB by using the TNL address discovery process, and specifically includes:
  • the TNL address discovery process is initiated to obtain the TNL address of the HeNB.
  • the eNB includes an RNL ID and a TNL address of the eNB in a configuration transmission message that is sent to the HeNB gateway to request to obtain the TNL address of the HeNB;
  • the TNL address is a TNL address of an SCTP layer used to establish an X2 connection;
  • the logical function of the physical entity with the HeNB gateway X2 gateway obtains the matching relationship between the RNL ID and the TNL address of the eNB in the configuration transmission message sent by the eNB to the HeNB gateway.
  • the X2 gateway obtains a matching relationship between the RNL ID and the TNL address of the eNB by using the TNL address discovery process, and specifically includes:
  • the TNL address discovery process is initiated to obtain the TNL address of the eNB;
  • the HeNB sends a configuration transmission message requesting the TNL address of the eNB, and the eNB includes an RNL ID and a TNL address of the eNB in the configuration transmission message in response to the HeNB; the TNL address is a TNL address of the SCTP layer used to establish the X2 connection. ;
  • the logical function of the physical entity with the HeNB gateway X2 gateway obtains the matching relationship between the RNL ID and the TNL address of the eNB in the configuration transmission message of the eNB in response to the HeNB.
  • the method further comprises:
  • the X1 gateway After the X2 gateway obtains the matching relationship between the RNL ID and the TNL address of the HeNB through the S1 connection establishment process, the X1 gateway stores the matching relationship between the RNL ID and the TNL address of the HeNB; or
  • the X2 gateway After the X2 gateway obtains the matching relationship between the RNL ID and the TNL address of the eNB by using the TNL address discovery process, the X2 gateway stores the matching relationship between the RNL ID and the TNL address of the eNB.
  • the HeNB when the HeNB establishes an S1 connection with the HeNB gateway, the HeNB further includes: if the HeNB The physical entity of the gateway has a logical function of the X2 gateway, and the X2 gateway can notify the HeNB of the TNL address of the SCTP layer used for the X2 connection in the S1 setup response message.
  • a system for obtaining an identity and an address matching relationship in a home base station comprising a HeNB, an eNB, and a HeNB gateway, the system further comprising: an X2 gateway, configured to acquire a matching relationship between the RNL ID and the TNL address of the HeNB through the S1 connection establishment process Or, the matching relationship between the RNL ID and the TNL address of the eNB is obtained through the TNL address discovery process.
  • the HeNB is configured to: when establishing an S1 connection with the HeNB gateway, send the RNL ID of the HeNB and the TNL address to the HeNB gateway; the TNL address is a TNL address of the SCTP layer of the flow control transmission protocol used for the X2 connection. ;
  • the X2 gateway is a logical function of a physical entity shared with the HeNB gateway, and the X2 gateway is further configured to obtain a matching relationship between the RNL ID and the TNL address of the HeNB in the S1 connection establishment process.
  • the TNL address discovery process acquires the matching relationship between the RNL ID and the TNL address of the eNB
  • the eNB is configured to discover a cell served by the HeNB, and initiate a TNL address discovery process to obtain a TNL address of the HeNB.
  • the eNB includes an eNB in a configuration transmission message sent to the HeNB gateway for requesting to obtain a TNL address of the HeNB.
  • the RNL ID and the TNL address; the X2 gateway is a logical function of a physical entity shared with the HeNB gateway, and the X2 gateway is further configured to acquire an RNL of the eNB in a configuration transmission message sent by the eNB to the HeNB gateway
  • the matching relationship between the ID and the TNL address; the TNL address is the TNL address of the SCTP layer used to establish the X2 connection.
  • the HeNB when the TNL address discovery process acquires a matching relationship between the RNL ID and the TNL address of the eNB,
  • the HeNB is configured to discover a cell served by the eNB, and initiate a TNL address discovery process to obtain a TNL address of the eNB.
  • the HeNB sends a configuration transmission message requesting to obtain a TNL address of the eNB, where the eNB responds to the HeNB configuration transmission message.
  • the X2 gateway is a logical function of a physical entity that is shared with the HeNB gateway, and the X2 gateway is further configured to acquire a matching relationship between the RNL ID and the TNL address of the eNB in the configuration transmission message of the eNB in response to the HeNB;
  • the TNL address is the TNL address of the SCTP layer used to establish the X2 connection.
  • a gateway for obtaining an identity and an address matching relationship in the home base station where the gateway is specifically an X2 gateway, and the X2 gateway is configured to obtain a matching relationship between the RNL ID and the TNL address of the HeNB through the S1 connection establishment process; or, by using the TNL
  • the address discovery process acquires a matching relationship between the RNL ID and the TNL address of the eNB.
  • the X2 gateway is a logical function of a physical entity shared with the HeNB gateway; the X2 gateway is further configured to obtain a matching relationship between the RNL ID and the TNL address of the HeNB in the S1 connection establishment process.
  • the TNL address discovery process acquires the matching relationship between the RNL ID and the TNL address of the eNB
  • the X2 gateway is a logical function of a physical entity shared with the HeNB gateway, and the X2 gateway is further configured to obtain a matching relationship between the RNL ID and the TNL address of the eNB in the configuration transmission message sent by the eNB to the HeNB gateway.
  • the TNL address discovery process acquires the matching relationship between the RNL ID and the TNL address of the eNB
  • the X2 gateway is a logical function body of a physical entity shared with the HeNB gateway, and the X2 gateway is further into one The step is configured to acquire a matching relationship between the RNL ID and the TNL address of the eNB in the configuration transmission message of the eNB in response to the HeNB.
  • the X2 gateway is further configured to: after the matching relationship between the RNL ID and the TNL address of the HeNB is obtained by the S1 connection establishment process, the matching relationship between the RNL ID and the TNL address of the HeNB is stored; or, the TNL address discovery process is obtained. After the matching relationship between the RNL ID and the TNL address of the eNB, the matching relationship between the RNL ID and the TNL address of the eNB is stored.
  • the X2 GW of the embodiment of the present invention obtains the matching relationship between the RNL ID and the TNL address of the HeNB through the S1 connection establishment process. Alternatively, the X2 GW obtains the matching relationship between the RNL ID and the TNL address of the eNB through the TNL address discovery process.
  • the X2 GW can obtain the matching relationship between the RNL ID and the TNL address of the source and the target end. After the X2 GW obtains the matching relationship between the RNL ID and the TNL address, the matching relationship between the RNL ID and the TNL address is saved, so that the source end can carry the target RNL ID letter according to the matching relationship between the RNL ID and the TNL address saved at the X2 GW. The meta X2 message is accurately routed to the corresponding destination.
  • FIG. 1 is a schematic diagram of a network architecture in which a HeNB is located in the prior art
  • FIG. 2 is a schematic flowchart of an implementation process according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram of an implementation process of Embodiment 2 of the present invention. detailed description
  • the X2 GW obtains the matching relationship between the RNL ID and the TNL address of the HeNB through the S1 connection establishment process.
  • the X2 GW obtains the matching relationship between the RNL ID and the TNL address of the eNB through the TNL address discovery process.
  • a method for obtaining an identity and an address matching relationship in a home base station includes:
  • the X2 GW can obtain a matching relationship between an RNL ID and a TNL address of the HeNB through an S1 connection establishment process; or a matching relationship of the addresses.
  • the X2 GW can obtain the matching relationship between the RNL ID and the TNL address of the HeNB through the S1 connection establishment process, and further includes: when the HeNB establishes an SI connection with the HeNB GW, the HeNB uses the identifier of the HeNB together with the HeNB for the X2 connection.
  • the TNL address of the SCTP layer is sent together to the HeNB GW; the logical function X2 GW of the physical entity with the HeNB GW acquires the matching relationship between the HeNB identity in the S1 connection establishment process and the TNL address of the SCTP layer used by the HeNB for the X2 connection.
  • the X2 GW can obtain the matching relationship between the RNL ID and the TNL address of the eNB by using the TNL address discovery process, including: when the eNB discovers the cell served by the HeNB, the eNB acquires the ECGI and the TAI of the HeNB through the ANR, and initiates the TNL address discovery.
  • the process that is, using the configuration transmission function to acquire the TNL address of the SCTP layer of the target HeNB for establishing the X2 connection; the eNB includes the eNB ID of the eNB in the configuration transmission message sent to the HeNB GW to request the TNL address of the target HeNB.
  • the logical function X2 GW of the common physical entity with the HeNB GW acquires the eNB identity and the eNB for the X2 connection in the configuration transport message sent by the eNB to the HeNB GW The matching relationship of the TNL addresses of the SCTP layer.
  • the X2 GW can obtain the matching relationship between the RNL ID and the TNL address of the eNB by using the TNL address discovery process, including: after the HeNB discovers the cell served by the eNB, the HeNB acquires the ECGI and the TAI of the cell under the eNB through the ANR, and then initiates The TNL address discovery process, that is, using the configuration transmission function to acquire the TNL address of the SCTP layer of the target eNB for establishing the X2 connection; the source HeNB sends a configuration transmission message to request the TNL address of the target eNB, and the eNB transmits the message in response to the configuration of the HeNB.
  • the eNB ID of the eNB and the eNB are included for establishment.
  • the HeNB identifier and the TNL address of the SCTP layer used by the HeNB for the X2 connection are stored.
  • the matching relationship; or, after the X2 GW acquires the matching relationship between the identifier of the eNB and the TNL address of the SCTP layer used by the eNB for the X2 connection through the TNL address discovery process, the eNB identifier and the TNL of the SCTP layer of the eNB for the X2 connection are stored.
  • the matching relationship of the addresses are stored.
  • the HeNB when the HeNB establishes an SI connection with the HeNB GW, if the HeNB GW physical entity has a logical function of the X2 GW, the X2 GW may also establish a response message of the TNL address of the SCTP layer for the X2 connection in S1. Notify the HeNB.
  • the X2 message indirectly connected by the X2 GW between the eNB and the HeNB includes the source and destination RNL identifiers, so that the X2 GW can accurately route the X2 according to the matching relationship between the acquired and saved RNL identifier and the TNL address.
  • the message goes to the target with the RNL identifier.
  • the X2 GW receives the X2 message that is sent by the source and includes the RNL identifier of the target end, the X2 GW also has a matching relationship between the target RNL identifier and the TNL address, but the X2 GW and the target end have not yet established an established SCTP connection, then The X2 GW first triggers the establishment of an SCTP connection to the destination for transmitting X2 messages.
  • a system for obtaining an identity and an address matching relationship in a home base station including: a HeNB, an eNB, a HeNB GW, and an X2 GW; the X2 GW is configured to acquire a matching relationship between the RNL ID and the TNL address of the HeNB through the SI connection establishment process; or The matching relationship between the RNL ID and the TNL address of the eNB is obtained through the TNL address discovery process.
  • the HeNB is configured to: when establishing an SI connection with the HeNB GW, send the RNL ID of the HeNB and the TNL address to the HeNB GW; the TNL address is a TNL address of a stream control transport protocol SCTP layer for the X2 connection;
  • the X2 GW is a logical function of a physical entity shared with the HeNB GW, and the X2 GW is further configured to acquire a matching relationship between the RNL ID and the TNL address of the HeNB in the S1 connection establishment process.
  • the TNL address discovery process acquires the matching relationship between the RNL ID and the TNL address of the eNB
  • the eNB is configured to discover the cell served by the HeNB, and initiates a TNL address discovery process to obtain the TNL address of the HeNB.
  • the eNB includes the RNL of the eNB in the configuration transmission message sent to the HeNB GW to request the TNL address of the HeNB. ID and TNL address;
  • the X2 GW is a logical function of a physical entity that is shared with the HeNB GW, and the X2 GW is further configured to acquire a matching relationship between the RNL ID and the TNL address of the eNB in a configuration transmission message sent by the eNB to the HeNB GW.
  • the TNL address is the TNL address of the SCTP layer used to establish the X2 connection.
  • the TNL address discovery process acquires the matching relationship between the RNL ID and the TNL address of the eNB
  • the HeNB is configured to discover a cell served by the eNB, and initiate a TNL address discovery process to obtain a TNL address of the eNB.
  • the HeNB sends a configuration transmission message requesting to obtain a TNL address of the eNB, and the eNB includes an eNB in the configuration transmission message in response to the HeNB.
  • the X2 GW is a logical function of the physical entity of the HeNB GW, and the X2 GW is further configured to acquire a matching relationship between the RNL ID and the TNL address of the eNB in the eNB in response to the configuration transmission message of the HeNB;
  • the address is the TNL address of the SCTP layer used to establish the X2 connection.
  • the matching relationship between the RNL ID and the TNL address is a logical function of the physical entity of the HeNB GW, and the X2 GW is further configured to acquire a matching relationship between the RNL ID and the TNL address of the eNB in the eNB in response to the configuration transmission message of the
  • the X2 GW is a logical function of a physical entity shared with the HeNB GW.
  • the X2 GW is further configured to obtain a matching relationship between the RNL ID and the TNL address of the HeNB in the S1 connection establishment process.
  • the TNL address discovery process acquires the matching relationship between the RNL ID and the TNL address of the eNB
  • the X2 GW is a logical function of a physical entity shared with the HeNB GW, and the X2 GW is further configured to obtain a matching relationship between the RNL ID and the TNL address of the eNB in the configuration transmission message sent by the eNB to the HeNB GW.
  • the TNL address discovery process acquires the matching relationship between the RNL ID and the TNL address of the eNB
  • the X2 GW is a logical function of a physical entity shared with the HeNB GW, and the X2 GW is further configured to obtain a matching relationship between the RNL ID and the TNL address of the eNB in the eNB in response to the configuration transmission message of the HeNB.
  • the X2 GW is further configured to: after the matching relationship between the RNL ID and the TNL address of the HeNB is obtained by the S1 connection establishment process, the matching relationship between the RNL ID and the TNL address of the HeNB is stored; or the eNB is acquired by the TNL address discovery process. After the matching relationship between the RNL ID and the TNL address, the matching relationship between the RNL ID and the TNL address of the eNB is stored.
  • Embodiment 1 This embodiment describes a scenario in which the eNB1 SI is directly connected to the MME, and the HeNB2 is indirectly connected to the MME through the HeNB GW Sl. Among them, HeNB with S1 proxy function GW and X2 GW are two different logical functions in the same physical entity. This embodiment describes a scheme in which the X2 GW acquires the matching relationship between the RNL ID and the TNL address of the eNB1 and the matching relationship between the RNL ID and the TNL address of the HeNB2 when the eNB1 discovers the HeNB2.
  • the specific process of this embodiment mainly includes the following steps:
  • Step 200 After HeNB2 is powered on, it interacts with the HeMS, and the HeMS verifies the HeNB2 and configures parameters for it. At the same time, the HeMS informs the TNL address of the SCTP layer of the peer network element (which may be the MME or the HeNB GW) with which the HeNB2 establishes the S1 connection. HeNB2 establishes an SCTP connection with the HeNB GW for SI message transmission. HeNB2 then sends an S1 Setup Request (SI SETUP REQUEST) message to the HeNB GW.
  • SI setup request message includes the HeNB2 ID, the TNL address of the SCTP layer of the HeNB2 for establishing the X2 connection, and the like.
  • Step 201 After the HeNB GW receives the S1 setup request message, because the HeNB GW and the X2 GW are two different logical functions in the same physical entity, the X2 GW may obtain the HeNB2 ID and the HeNB2 from the S1 setup request message.
  • the TNL address matches the relationship, and stores the matching relationship between the HeNB2 ID of HeNB2 and the TNL address of HeNB2.
  • Step 202 The HeNB GW parses the SI setup request message sent by the HeNB2, terminates the S1 setup request message sent by the HeNB2, and triggers the sending of the new S1 setup request message to the MME.
  • Step 203 The MME returns an S1 Setup Response (SI SETUP RESPONSE) message to the HeNB GW.
  • SI setup response message includes the name of the MME, the globally unique MME identifier (GUMMEI, Globally Unique MME Identifier) of the service, and the like.
  • Step 204 The HeNB GW parses the SI setup response message sent by the MME, terminates the S1 setup response message sent by the MME, and triggers the sending of the new S1 setup response message to the HeNB2. Because the logical function of the X2 GW exists in the HeNB GW in this embodiment, the HeNB GW includes the TNL address of the SCTP layer of the X2 GW for establishing the X2 connection in the S1 setup response message sent to the HeNB2.
  • the TNL address of the SCTP layer that establishes the X2 connection may also be configured by the HeMS to the HeNB2 in advance, and does not need to include the TNL address in the SI setup response message sent by the HeNB GW to the HeNB2.
  • Step 205 The HeNB2 establishes an SCTP connection for transmitting the X2 message with the X2 GW according to the TNL address of the SCTP layer of the X2 GW used to establish the X2 connection acquired in step 204.
  • Step 206 The eNB1 finds the cell served by the neighboring HeNB2, and acquires the PCI, ECGI, TAI, and CSG ID of the HeNB2 through an Automatic Neighbor Relation (ANR).
  • ANR Automatic Neighbor Relation
  • the source eNB1 is ready to initiate a TNL address discovery procedure to obtain the TNL address of the SCTP layer of the target HeNB2 for establishing the X2 connection.
  • Step 207 The source eNB1 sends an eNB configuration transmission (eNB CONFIGURATION
  • the eNB configuration transmission message includes the eNB1 ID of the source eNB1, the TAI1 of the source eNB1, the HeNB2 ID of the target HeNB2, the TAI2 of the target HeNB2, and the TNL address of the eNB1.
  • Step 208 After receiving the eNB configuration transmission message sent by the source eNB1, the MME sends an MME CONFIGURATION TRANSFER message to the HeNB GW.
  • the MME configuration transmission message includes the eNB1 ID, the TAI1, the HeNB2 ID, the TAI2, and the TNL address of the eNB1.
  • Step 209 Since the HeNB GW and the X2 GW are two different logical functions in the same physical entity, after receiving the MME configuration transmission message sent by the MME, the X2 GW may obtain the MME configuration transmission message.
  • the TNL address matching relationship between the eNB 1 ID and the eNB 1 is stored, and the matching relationship between the eNB1 ID of the eNB1 and the TNL address of the eNB1 is stored.
  • Step 210 The HeNB GW sends an MME configuration transmission message to the HeNB2.
  • the HeNB GW may determine to transmit the MME configuration transmission message to the HeNB 2 according to the HeNB2 ID and the TAI2 in the MME configuration transmission message.
  • the MME configuration transmission message includes the eNB1 ID, the TAI1, the HeNB2 ID, the TAI2, and the TNL address of the eNB1.
  • the eNB configuration transmission message includes a TNL address of the SCTP layer of the X2 GW for the X2 connection, and the like.
  • Step 212 The HeNB GW sends an eNB configuration transmission message to the MME.
  • the eNB configuration transmission message includes the TNL address of the SCTP layer of the X2 GW for the X2 connection.
  • Step 213 The MME sends an MME configuration transmission message to the eNB 1 according to the eNB1 ID and TAI1 in the eNB configuration transmission message received from the HeNB GW.
  • the MME configuration transmission message includes the TNL address of the SCTP layer of the X2 GW for the X2 connection, and the like.
  • Step 214 The eNB1 establishes an SCTP connection for transmitting the X2 message with the X2 GW according to the TNL address of the SCTP layer of the X2 GW used to establish the X2 connection acquired in step 213.
  • Step 215 The eNB1 initiates an X2 SETUP REQUEST message to the X2 GW.
  • the X2 setup request message includes the eNB1 ID of the source eNB1, the HeNB2 ID of the target HeNB2, and the like.
  • Step 216 The X2 GW parses the X2 setup request message, obtains the HeNB2 ID of the target end, and routes the X2 setup request message according to the TNL address of the HeNB2 that the HeNB2 ID matches.
  • Step 217 HeNB2 replies with an X2 SETUP RESPONSE message to the X2 GW.
  • the X2 setup response message includes the HeNB2 ID of the source HeNB2 and the eNB1 ID of the target eNB1.
  • Step 218 The X2GW parses the X2 setup response message, obtains the eNB1 ID of the target end, and routes the X2 to establish a response according to the TNL address of the eNB1 whose eNB1 ID is stored.
  • Embodiment 2 This embodiment describes the eNB1 SI direct connection. To the MME, the HeNB2 indirectly connects to the MME through the HeNB GWS1. Among them, the HeNB GW and the X2GW with the S1 proxy function are two different logical functions in the same physical entity. This embodiment describes that when HeNB2 discovers eNB1, the X2 GW acquires the RNL ID and TNL of eNB1. The scheme of the address matching relationship and the matching relationship between the RNL ID and the TNL address of the HeNB2.
  • the specific process of this embodiment mainly includes the following steps:
  • Step 300 After HeNB2 is powered on, it interacts with the HeMS, and the HeMS verifies the HeNB2 and configures parameters for it. At the same time, the HeMS informs the TNL address of the SCTP layer of the peer network element (which may be the MME or the HeNB GW) with which the HeNB2 establishes the S1 connection. HeNB2 establishes an SCTP connection with the HeNB GW for SI message transmission. HeNB2 then sends an S1 Setup Request (SI SETUP REQUEST) message to the HeNB GW.
  • SI setup request message includes the HeNB2 ID, the TNL address of the SCTP layer of the HeNB2 for establishing the X2 connection, and the like.
  • Step 301 After the HeNB GW receives the S1 setup request message, because the HeNB GW and the X2 GW are two different logical functions in the same physical entity, the X2 GW may obtain the HeNB2 ID and the HeNB2 from the S1 setup request message.
  • the TNL address matches the relationship, and stores the matching relationship between the HeNB2 ID of HeNB2 and the TNL address of HeNB2.
  • Step 302 The HeNB GW parses the SI setup request message sent by the HeNB2, terminates the S1 setup request message sent by the HeNB2, and triggers the sending of the new S1 setup request message to the MME.
  • Step 303 The MME returns an S1 Setup Response (SI SETUP RESPONSE) message to the HeNB GW.
  • SI setup response message includes the name of the MME, the globally unique MME identifier (GUMMEI, Globally Unique MME Identifier) of the service, and the like.
  • Step 304 The HeNB GW parses the SI setup response message sent by the MME, terminates the S1 setup response message sent by the MME, and triggers the sending of the new S1 setup response message to the HeNB2. Because the logical function of the X2 GW exists in the HeNB GW in this embodiment, the HeNB GW includes the TNL address of the SCTP layer of the X2 GW for establishing the X2 connection in the S1 setup response message sent to the HeNB2.
  • the TNL address of the SCTP layer of the X2 GW for establishing the X2 connection may be configured by the HeMS in advance to the HeNB2, and the SI establishment of the HeNB2 to the HeNB2 is not required.
  • the TNL is included in the response message address.
  • Step 305 The HeNB2 establishes an SCTP connection for transmitting the X2 message with the X2 GW according to the TNL address of the SCTP layer of the X2 GW used to establish the X2 connection acquired in step 204.
  • Step 306 The HeNB2 finds the cell served by the neighboring eNB1, and acquires the PCI, ECGL TAI, etc. of the serving cell of the eNB1 through the ANR.
  • the source HeNB2 is ready to initiate a TNL address discovery procedure to obtain the TNL address of the SCTP layer of the target eNB1 for establishing the X2 connection.
  • Step 307-Step 309 HeNB2 sends an eNB configuration transmission message to the HeNB GW. After receiving the transmission eNB configuration transmission message of HeNB2, the HeNB GW sends an eNB to configure a transmission message to the MME. After receiving the eNB configuration transmission message sent by the HeNB GW, the MME sends an MME configuration transmission message to the eNB1.
  • the eNB configuration transmission message and the MME configuration transmission message both include the HeNB2 ID of the source HeNB2, the TAI2 of the source HeNB2, the eNB1 ID of the target eNB1, the TAI1 of the target eNB1, and the TNL address of the X2 GW.
  • the MME may determine to send the MME configuration transmission message to the eNB1 according to the eNB1 ID and the TAI1 in the eNB configuration transmission message.
  • Step 310-Step 311 The target eNB1 replies to the eNB configuration transmission message to the MME. After receiving the eNB configuration transmission message sent by the eNB1, the MME sends an MME configuration transmission message to the HeNB GW.
  • the eNB configuration transmission message and the MME configuration transmission message include the eNB1 ID, the TAI1, the HeNB2 ID, the TAI2, and the TNL address of the eNB1.
  • Step 312 Since the HeNB GW and the X2 GW are two different logical functions in the same physical entity, after receiving the MME configuration transmission message sent by the MME, the H2 GW may obtain the MME configuration transmission message.
  • the TNL address matching relationship between the eNB 1 ID and the eNB 1 is stored, and the matching relationship between the eNB1 ID of the eNB1 and the TNL address of the eNB1 is stored.
  • Step 313 After receiving the MME configuration transmission message sent by the MME, the HeNB GW sends an MME configuration transmission message to the HeNB2.
  • the MME configuration transmission message includes the eNB 1 ID, TAI1, HeNB2 ID, TAI2, and TNL address of the eNB1.
  • the HeNB GW may determine to send the MME configuration transmission message according to the HeNB2 ID and the TAI2 in the MME configuration transmission message. Send to HeNB2 B
  • Step 314 HeNB2 initiates an X2 setup request message to the X2 GW.
  • the X2 setup request message includes the HeNB2 ID of the source HeNB2, the eNB1 ID of the target eNB1, and the like.
  • Step 315 After receiving the X2 setup request message that is sent by the HeNB2 and including the eNB1 ID of the target eNB1, the X2 GW parses the X2 setup request message to obtain the eNB1 ID of the target end.
  • the X2 GW has a TNL address matching relationship between the eNB 1 ID and the eNB 1, so the X2 GW will route the X2 setup request message according to the TNL address of the eNB1 matched by the eNB1 ID.
  • the X2 GW finds that there is no connection to the eNB1 with the SCTP layer, so the establishment of the SCTP connection with the eNB1 for X2 message transmission is first triggered.
  • Step 316 The X2 GW routes the X2 establishment request message according to the TNL address of the eNB1 that the eNB1 ID matches in the storage.
  • Step 317 - Step 318 The eNB1 replies to the X2 Setup Response message to the X2 GW.
  • the X2 setup response message includes the eNB1 ID of the source eNB1 and the HeNB2 ID of the target HeNB2.
  • the X2 GW parses the X2 setup response message, obtains the HeNB2 ID of the target end, and establishes a response message according to the TNL address of the HeNB2 matched by the HeNB2 ID.
  • the X2 GW can obtain the matching relationship between the RNL ID and the TNL address of the source and the target end. After the X2 GW obtains the matching relationship between the RNL ID and the TNL address, the matching relationship between the RNL ID and the TNL address is saved. Therefore, in the embodiment of the present invention, the source end may use the matching relationship between the RNL ID and the TNL address saved at the X2 GW. The X2 message with the target RNL ID cell is accurately routed to the corresponding destination.

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

Abstract

L'invention concerne un procédé pour obtenir une relation de correspondance entre un identifiant et une adresse dans une station de base eNodeB, consistant : à obtenir, par l'intermédiaire d'une passerelle X2 et au moyen d'un processus d'établissement de connexion S1, une relation de correspondance entre un identifiant (ID) de couche de réseau radio (RNL) et une adresse de couche de réseau de transport (TNL) d'une station de base eNodeB ; ou à obtenir, par une passerelle X2 et au moyen d'un processus de découverte d'adresse NRL, une relation de correspondance entre un ID de RNL et une adresse TNL d'un eNodeB (eNB). Cette invention concerne un système pour obtenir une relation de correspondance entre un identifiant et une adresse dans une station de base eNodeB comprenant : une passerelle X2 configurée pour obtenir, au moyen d'un processus d'établissement de connexion S1 ou un processus de découverte d'adresse NRL, une relation de correspondance entre un ID de RNL et une adresse TNL d'un eNodeB (eNB). L'invention concerne également une passerelle pour une relation de correspondance entre un identifiant et une adresse dans une station de base eNodeB. Selon l'invention, lorsque HeNB GW et X2 GW représentent deux éléments fonctionnels logiques différents dans la même entité, X2 GW peut obtenir une relation de correspondance entre l'ID de RNL et une adresse TNL.
PCT/CN2013/082404 2012-11-29 2013-08-27 Procédé, système et passerelle pour obtenir une relation de correspondance entre un identifiant et une adresse dans une station de base enodeb WO2013189443A2 (fr)

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