CN104519594A - Method, device, and system for establishing connection - Google Patents
Method, device, and system for establishing connection Download PDFInfo
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- CN104519594A CN104519594A CN201310452568.2A CN201310452568A CN104519594A CN 104519594 A CN104519594 A CN 104519594A CN 201310452568 A CN201310452568 A CN 201310452568A CN 104519594 A CN104519594 A CN 104519594A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/12—Setup of transport tunnels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/20—Interfaces between hierarchically similar devices between access points
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Abstract
The invention discloses a method for establishing connection. The method comprises: a home base station receiving indication information, and initiating X2 connection establishment according to the indication information; or the home base station sending address information used to establish X2 connection to an adjacent base station of the home base station; and the adjacent base station of the home base station establishing X2 connection with the home base station according to the address information. The invention also discloses a device and a system for establishing connection, so as to realize the above method. Using the technical scheme, under the condition that an adjacent eNB of a HeNB and a connected X2GW cannot register or cannot establish X2 connection, the HeNB can establish X2 connection with the adjacent eNB in time, so that X2 connection establishment between the HeNB and the adjacent eNB of the HeNB processes smoothly. The method and the device ensure communication capability of the adjacent eNB of the HeNB and improves service quality of a communication system.
Description
Technical field
The present invention relates to connection establishment technology, particularly relate to connection establishment method and apparatus, system between a kind of base station.
Background technology
Home eNodeB is a kind of compact low power base station, is mainly used in the indoor place among a small circle such as family and office.Home eNodeB passes through the access in radio equipment connections such as indoor cable, DSL or optical fiber to mobile operator core net, for specific user provides the access service based on mobile radio networks.Be effectively supplementing existing network deployment, effectively can improve indoor voice and high-speed data service covering.There is lot of advantages, as simple in low cost, low-power, access, plug and play, saving passback, compatible with existing terminal, improve the network coverage etc.
In Long Term Evolution (LTE, the Long Term Evolution) system of third generation partnership project (3GPP, Third Generation Partnership Project) normal structure definition, Home eNodeB is called as HeNB(Home eNB).The function that HeNB supports and eNB basically identical, the process between HeNB and evolution block core (EPC, Evolved Packet Core) net and basically identical between eNB and EPC.Because the arrangement of HeNB is not usually through the little and One's name is legion of the network planning of mobile operator, coverage.In order to management more easily and in order to support the HeNB of greater number, at E-UTRAN(EvolvedUTRAN) under framework, between the S1 of HeNB and EPC connects, introduce a new network element femto gateway (HeNB GW, Home eNB Gateway).HeNB connects mobile management entity (MME, Mobility Management Entity) by HeNB GW as S1 agency.In LTE R10 version, only there is X2 direct interface (namely not passing through the X2 interface that other node is set up as agent node) between HeNB, can be used for load balancing, handover optimization, information interaction etc., and do not support X2 interface between macro base station eNB and Home eNodeB HeNB.
And in LTE R11, (X2GW, X2GW and HeNBGW are similar, are optional deployment, set up the X2 interface of agency between eNB and HeNB, between HeNB and HeNB by X2GW, or do not set up direct X2 interface by X2GW to introduce new functional entity X2 gateway.HeNB can only be connected with an X2GW.Obtain the address of itself X2GW and HeNB GW by HeMS after HeNB powers on.HeNB obtains behind X2GW address and can register to this X2GW, the eNB ID obtaining this HeNB for X2GW with for setting up the IP address information that X2 is connected.Want to set up X2 with this adjacent base station and be connected after HeNB finds new adjacent (H) eNB community, X2 can be sent directly to connected X2GW and set up request message, wherein carry the eNB ID of target (H) eNB, if the eNB ID of this target (H) eNB and the address mapping information for setting up X2 connection have been preserved in this locality after X2GW receives, then according to eNB ID in this message, this X2 can be set up request message and route to target (H) eNB.If X2GW not yet preserves this locality the eNB ID of this target eNB and the address mapping information for setting up X2 connection, then the X2 connection establishment process between HeNB and this target eNB cannot complete smoothly.The TNL process initiated by HeNB sends to X2GW after obtaining eNB address, is initiated to solve with SCTP or the X2 connection establishment of target eNB by X2GW.Or in its TNL process initiated, X2GW address is sent to eNB by HeNB, initiated to solve to the registration of X2GW or X2 connection establishment by eNB.If but registration or connection establishment failure between eNB and X2GW, then the X2 connection establishment between this HeNB and newfound adjacent eNB cannot be carried out smoothly.
Summary of the invention
In view of this, the main purpose of the embodiment of the present invention is to provide a kind of connection establishment method and apparatus, system, Home eNodeB can be made to create X2 smoothly and connect.
For achieving the above object, the technical scheme of the embodiment of the present invention is achieved in that
A kind of connection establishment method, comprising:
Home eNodeB receives indication information, and initiates X2 connection establishment according to described indication information.
Preferably, described indication information comprise following information one of at least:
X2 connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or, the SCTP SCTP connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or the adjacent base station of described Home eNodeB is failed to the X2 gateway registration of described Home eNodeB;
Or instruction is directly set up X2 with the adjacent base station of described Home eNodeB and is connected.
Preferably, described Home eNodeB receives indication information, comprising:
Described Home eNodeB is by indication information described in X2 interface message sink;
Or described Home eNodeB receives described indication information by S1 interface message.
Preferably, described Home eNodeB, by indication information described in X2 interface message sink, comprising:
The address of the adjacent base station of described Home eNodeB is sent to the X2 gateway of described Home eNodeB by described Home eNodeB by the first X2 interface message;
Described indication information is sent to described Home eNodeB by the second X2 interface message by the X2 gateway of described Home eNodeB.
Preferably, before described indication information is sent to described Home eNodeB by the second X2 interface message by the X2 gateway of described Home eNodeB, described method also comprises:
The X2 gateway of described Home eNodeB determines that setting up SCTP with the adjacent base station of described Home eNodeB is connected or X2 connection failure.
Preferably, described first X2 interface message comprises: X2 sets up request message or base station configuration updating information or X2 login request message or newly-increased X2 interface message;
Described second X2 interface message comprises: X2 sets up failed message or base station configuration updating acknowledge message or base station configuration updating failed message or X2 registration confirmation message or X2 registration failure message or newly-increased X2 interface message.
Preferably, described Home eNodeB receives described indication information by S1 interface message, comprising:
Described Home eNodeB initiates TNL address discovery to the adjacent base station of described Home eNodeB, and in the S1 interface message of adjacent base station being sent to described Home eNodeB, carry the address of the X2 gateway of described Home eNodeB; Wherein, described S1 interface message is base station configuration message transfer;
Described indication information is sent to described Home eNodeB by S1 interface message by the adjacent base station of described Home eNodeB; Wherein, described S1 interface message is base station configuration message transfer.
Preferably, before described indication information is sent to described Home eNodeB by S1 interface message by the adjacent base station of described Home eNodeB, described method also comprises:
Described adjacent base station determines that setting up SCTP with the X2 gateway of described Home eNodeB is connected or X2 connection failure, or performs the registration failure to the X2 gateway of described Home eNodeB.
Preferably, described according to described indication information initiation X2 connection establishment, comprising:
Described Home eNodeB initiates to be connected with the direct X2 between the adjacent base station of described Home eNodeB.
A kind of connection establishment method, comprising:
The address information being used for setting up X2 connection is sent to the adjacent base station of described Home eNodeB by described Home eNodeB;
The adjacent base station of described Home eNodeB is set up according to described address information and is connected with the X2 of described Home eNodeB.
Preferably, the described address information connected for setting up X2 comprises: the X2 transport layer address of the X2 gateway of the X2 transport layer address of Home eNodeB, described Home eNodeB.
Preferably, the address information being used for setting up X2 connection is sent to the adjacent base station of described Home eNodeB by described Home eNodeB, comprising:
Described Home eNodeB initiates TNL address discovery, and carries described for setting up the address information that X2 connects in the S1 interface message of adjacent base station being sent to described Home eNodeB; Described S1 interface message is base station configuration message transfer.
Preferably, the adjacent base station of described Home eNodeB is set up according to described address information and is connected with the X2 of described Home eNodeB, comprising:
The adjacent base station of described Home eNodeB and the X2 gateway of described Home eNodeB are set up SCTP and are connected or X2 connection failure, or under described X2 gateway registration failure scenarios, the direct X2 connection establishment between initiation and described Home eNodeB.
Preferably, before the adjacent base station of described Home eNodeB is set up to be connected with the X2 of described Home eNodeB according to described address information, described method also comprises:
The adjacent base station of described Home eNodeB sends indication information to described Home eNodeB by the S1 interface message of TNL address discovery.
Preferably, the adjacent base station of described Home eNodeB is set up according to described address information and is connected with the X2 of described Home eNodeB, comprising:
The adjacent base station of described Home eNodeB sends indication information to described Home eNodeB by the X2 interface message of the direct X2 connection establishment between described Home eNodeB.
Preferably, described indication information comprise following information one of at least:
X2 connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or, the SCTP SCTP connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or the adjacent base station of described Home eNodeB is failed to the X2 gateway registration of described Home eNodeB;
Or instruction is directly set up X2 with the adjacent base station of described Home eNodeB and is connected.
A kind of connection establishment device, comprising: receiving element and set up unit, wherein:
Receiving element, for receiving indication information;
Set up unit, for initiating X2 connection establishment according to described indication information.
Preferably, described indication information comprise following information one of at least:
X2 connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or, the SCTP SCTP connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or the adjacent base station of described Home eNodeB is failed to the X2 gateway registration of described Home eNodeB;
Or instruction is directly set up X2 with the adjacent base station of described Home eNodeB and is connected.
Preferably, described receiving element, also for:
By indication information described in X2 interface message sink;
Or, receive described indication information by S1 interface message.
Preferably, described receiving element, also for:
By the first X2 interface message, the address of the adjacent base station of described Home eNodeB is sent to the X2 gateway of described Home eNodeB;
Indication information described in the second X2 interface message sink sent by the X2 gateway of described Home eNodeB.
Preferably, described device also comprises:
Transmitting element, initiates TNL address discovery for the adjacent base station to described Home eNodeB, sends S1 interface message; The address of the X2 gateway of described Home eNodeB is carried in described S1 interface message; Wherein, described S1 interface message is base station configuration message transfer;
Described receiving element, also for the S1 interface message that the adjacent base station receiving described Home eNodeB sends, carries described indication information in described S1 interface message; Wherein, described S1 interface message is base station configuration message transfer.
Preferably, describedly setting up unit, being also connected with the direct X2 between the adjacent base station of described Home eNodeB for initiating.
A kind of connection establishment system, comprising: the adjacent base station of Home eNodeB and described Home eNodeB, wherein:
Described Home eNodeB, for sending to the adjacent base station of described Home eNodeB by the address information being used for setting up X2 connection;
The adjacent base station of described Home eNodeB, is connected with the X2 of described Home eNodeB for setting up according to described address information.
Preferably, described Home eNodeB, also for initiating TNL address discovery, and carries described for setting up the address information that X2 connects in the S1 interface message of adjacent base station being sent to described Home eNodeB; Described S1 interface message is base station configuration message transfer.
Preferably, the adjacent base station of described Home eNodeB, also for being connected or X2 connection failure setting up SCTP with the X2 gateway of described Home eNodeB, or during to described X2 gateway registration failure, initiates and direct X2 connection establishment between described Home eNodeB.
Preferably, the adjacent base station of described Home eNodeB, also for sending indication information to described Home eNodeB by the S1 interface message of TNL address discovery; Or send indication information to described Home eNodeB by the X2 interface message of the direct X2 connection establishment between described Home eNodeB.
The technical scheme of the embodiment of the present invention, Home eNodeB receives indication information, and initiates X2 connection establishment according to described indication information; Or the address information being used for setting up X2 connection is sent to the adjacent base station of described Home eNodeB by Home eNodeB; The adjacent base station of described Home eNodeB is set up according to described address information and is connected with the X2 of described Home eNodeB.The technical scheme of the embodiment of the present invention, adjacent eNB with cannot register between be connected X2GW and maybe cannot set up X2 connection under, HeNB can set up direct X2 with adjacent eNB in time and be connected, X2 connection establishment between HeNB and adjacent eNB is carried out smoothly, ensure that the communication capacity of adjacent eNB, improve the service quality of communication system.
Accompanying drawing explanation
Fig. 1 is the home base station network configuration diagram in X2 gateway deployment situation;
Fig. 2 is the schematic flow sheet according to connection establishment embodiment of the method one of the present invention;
Fig. 3 is the schematic flow sheet according to connection establishment embodiment of the method two of the present invention;
Fig. 4 is the schematic flow sheet according to connection establishment embodiment of the method three of the present invention;
Fig. 5 is the schematic flow sheet according to connection establishment embodiment of the method four of the present invention
Fig. 6 is the composition structural representation of the connection establishment device of the embodiment of the present invention.
Embodiment
For making object of the present invention, technical scheme and a little clearly understanding, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Fig. 1 is the home base station network configuration diagram in X2 gateway deployment situation, as shown in Figure 1, HeNB connects MME by HeNB GW as S1 agency, and in LTE R11 version, HeNB also connects adjacent base station (Home eNodeB or macro base station) by X2 gateway (X2GW) as X2 agency.Wherein HeNB GW and X2GW is optional deployment.As shown in Figure 1, eNB1 sets up the X2 interface of agency by X2GW and HeNB2 and HeNB3, is set up the X2 interface of agency between HeNB2 and HeNB3 by X2GW.ENB1 can also set up direct X2 interface with HeNB1.It should be noted that technical scheme of the present invention is not limited to LTE HeNB system, be also applicable to 3G HNB system.
Embodiment of the method one
What the present embodiment described is that HeNB obtains indication information by X2 interface message and determines to initiate the method for direct X2 connection establishment.Fig. 2 is the schematic flow sheet according to connection establishment embodiment of the method one of the present invention, and as shown in Figure 2, the connection establishment method of this example comprises the following steps:
Step 201, after the UE under HeNB cell measures the stronger signal of adjacent eNB community, sends measurement report to HeNB, wherein can comprise PCI in measurement report, ECGI, TAC, PLMN list etc.HeNB obtains the ECGI(PLMN ID+cell ID of this neighbor cell) after, judge that it is macrocell by information such as PCI or ECGI or CSG ID, then get front 20 bits of its cell ID as its eNB ID; If home base station cells, then get whole 28 bits of its cell ID as its eNB ID.HeNB obtains eNB ID and TAI(PLMN+TAC of adjacent base station) after, need to initiate TNL address discovery process to obtain it for setting up the transport layer address of X2 connection.
Step 202, HeNB sends S1 interface base station configuration message transfer (eNB configuration transfer) to MME, in this embodiment, HeNB is set up S1 with MME by HeNB GW be connected as S1 agency, and therefore first this eNB configuration transfer message be sent to HeNB GW.Comprise eNB ID and TAI of source and target base station in this message, and request type is the instruction of TNL address.If HeNB is not connected with HeNB GW, then this message is without HeNB GW, is directly sent to MME.
Step 203, HeNB GW sends it to MME after receiving eNB configuration transfer message.
Step 204, after MME receives eNB configuration transfer message, sends MMEconfiguration transfer message to eNB.Wherein according to eNB ID and TAI of target BS in eNB configuration transfer message, MME can determine that it sends the target BS of MME configuration transfer message.
Step 205, after eNB receives MME configuration transfer message, replying eNBconfiguration transfer message to MME, comprising the transport layer address for setting up X2 connection of eNB in this message.
Step 206, after MME receives eNB configuration transfer message, sending MME configuration transfer message to HeNB according to eNB ID and TAI of target BS wherein, in this message, comprising the transport layer address for setting up X2 connection of eNB.Be connected because HeNB in this embodiment sets up S1 as S1 agency with MME by HeNB GW, therefore, first this MME configurationtransfer message be sent to HeNB GW.
Step 207, is sent to HeNB by this message after HeNB GW receives, and comprises the transport layer address for setting up X2 connection of eNB in this message.
Step 208, after HeNB obtains the address of eNB by TNL address discovery process, send X2 and set up request message to X2GW, carry the X2 transport layer address of the eNB that it is obtained by TNL address discovery process in this message, connect or X2 connection establishment with the SCTP triggering X2GW and eNB, the X2 interface application layer configuration information of HeNB in this message, can also be comprised, comprise the eNB ID of HeNB, service cell information under HeNB, the adjacent cell information of Serving cell, the MME pond information connected.
Or, after HeNB obtains the address of eNB by TNL address discovery process, send X2 base station configuration updating information to X2GW, in this message, carry the X2 transport layer address of the eNB that it is obtained by TNL address discovery process, connect or X2 connection establishment with the SCTP triggering X2GW and eNB.
Step 209, after X2GW obtains the address of HeNB newfound eNB, judgement cannot be set up SCTP with this eNB and to be connected or X2 connects.Such as, X2GW is connected with the SCTP of this eNB or the failure of X2 connection establishment, and X2GW determines not initiate to be connected or X2 connection establishment with the SCTP between this eNB according to carrier policy or local configuration information.
Preferably, X2GW can store the information of this eNB in this locality, judges for follow-up X2 connection type.Such as, if another HeNB finds this eNB under this X2GW, and set up request message to X2GW transmission X2, wherein carry eNB ID and/or the address of this eNB, then X2GW can directly reply X2 and set up failed message, wherein carry indication information, be used to indicate X2GW and cannot set up SCTP with eNB and to be connected or X2 connects, or instruction HeNB should set up direct X2 with eNB and is connected.
Step 210, if X2GW receives X2 in a step 208 set up request message, then sends X2 and sets up failed message to HeNB, wherein carry indication information.If X2GW receives X2 base station configuration updating information in a step 208, then the confirmation of transmission X2 base station configuration updating or X2 base station configuration updating failed message are to HeNB, wherein carry indication information.This indication information is used to indicate X2GW and cannot sets up SCTP with eNB and to be connected or X2 connects, or instruction HeNB should set up direct X2 with eNB and is connected.The cause value cell that this indication information can be set up in failed message by X2 carries, or is carried by newly-increased cell.
Step 211, after HeNB receives indication information, can judge whether to set up with eNB to be directly connected according to indication information and local configuration information.Set up direct X2 with eNB if determine to be connected, send X2 directly to eNB and set up request message, wherein carry the Serving cell of HeNB, neighbor cell, MME pool information.Do not set up direct X2 with eNB if determine to be connected, then do not initiate X2 process of establishing.
Step 212, eNB replys X2 and sets up response message to HeNB, wherein carries the Serving cell of eNB, neighbor cell, MME pool information.Now complete the X2 connection establishment process between eNB and HeNB.
Embodiment of the method two
What the present embodiment described is that HeNB obtains indication information by X2 registration process and determines to initiate the method for direct X2 connection establishment.Fig. 3 is the schematic flow sheet according to connection establishment embodiment of the method two of the present invention, and as shown in Figure 3, the connection establishment method of this example comprises the following steps:
Step 301, after the UE under HeNB cell measures the stronger signal of adjacent eNB community, sends measurement report to HeNB, wherein can comprise PCI in measurement report, ECGI, TAC, PLMN list etc.HeNB obtains the ECGI(PLMN ID+cell ID of this neighbor cell) after, judge that it is macrocell by information such as PCI or ECGI or CSG ID, then get front 20 bits of its cell ID as its eNB ID; If home base station cells, then get whole 28 bits of its cell ID as its eNB ID.HeNB obtains eNB ID and TAI(PLMN+TAC of adjacent base station) after, need to initiate TNL address discovery process to obtain it for setting up the transport layer address of X2 connection.
Step 302, HeNB sends S1 interface base station configuration message transfer (eNB configuration transfer) to MME, in this embodiment, HeNB is set up S1 with MME by HeNB GW be connected as S1 agency, and therefore first this eNB configuration transfer message be sent to HeNB GW.Comprise eNB ID and TAI of source and target base station in this message, and request type is the instruction of TNL address.If HeNB is not connected with HeNB GW, then this message is without HeNB GW, is directly sent to MME.
Step 303, HeNB GW sends it to MME after receiving eNB configuration transfer message.
Step 304, after MME receives eNB configuration transfer message, sends MMEconfiguration transfer message to eNB.Wherein according to eNB ID and TAI of target BS in eNB configuration transfer message, MME can determine that it sends the target BS of MME configuration transfer message.
Step 305, after eNB receives MME configuration transfer message, replying eNBconfiguration transfer message to MME, comprising the transport layer address for setting up X2 connection of eNB in this message.
Step 306, after MME receives eNB configuration transfer message, sending MME configuration transfer message to HeNB according to eNB ID and TAI of target BS wherein, in this message, comprising the transport layer address for setting up X2 connection of eNB.Be connected because HeNB in this embodiment sets up S1 as S1 agency with MME by HeNB GW, therefore first this MME configuration transfer message be sent to HeNB GW.
Step 307, is sent to HeNB by this message after HeNB GW receives, and comprises the transport layer address for setting up X2 connection of eNB in this message.
Step 308, after HeNB obtains the address of eNB by TNL address discovery process, send X2 registration message to X2GW, wherein carry the X2 transport layer address of eNB and the eNB ID of eNB, the SCTP registering to trigger X2GW and eNB for eNB on X2GW connects or X2 connection establishment.
Step 309, after X2GW obtains the address of HeNB newfound eNB, judgement cannot be set up SCTP with this eNB and to be connected or X2 connects.Such as, X2GW is connected with the SCTP of this eNB or the failure of X2 connection establishment, and X2GW determines not initiate to be connected or X2 connection establishment with the SCTP between this eNB according to carrier policy or local configuration information.
Optionally, X2GW can store the information of this eNB in this locality, judges for follow-up X2 connection type.Such as, if another HeNB finds this eNB under this X2GW, and set up request message to X2GW transmission X2, wherein carry eNB ID and/or the address of this eNB, then X2GW can directly reply X2 and set up failed message, wherein carry indication information, be used to indicate X2GW and cannot set up SCTP with eNB and to be connected or X2 connects, or instruction HeNB should set up direct X2 with eNB and is connected.
Step 310, X2GW sends X2 registration failure message to HeNB, wherein carries indication information.This indication information is used to indicate X2GW and cannot sets up SCTP with eNB and to be connected or X2 connects, or instruction HeNB should set up direct X2 with eNB and is connected.This indication information can be carried by the cause value cell in X2 registration failure message, or is carried by other cell.
Step 311, after HeNB receives indication information, can judge whether to set up with eNB to be directly connected according to indication information and local configuration information.Set up direct X2 with eNB if determine to be connected, send X2 directly to eNB and set up request message, wherein carry the Serving cell of HeNB, neighbor cell, MME pool information.Do not set up direct X2 with eNB if determine to be connected, then do not initiate X2 process of establishing.
Step 312, eNB replys X2 and sets up response message to HeNB, wherein carries the Serving cell of eNB, neighbor cell, MME pool information.Now complete the X2 connection establishment process between eNB and HeNB.
Embodiment of the method three
What the present embodiment described is that HeNB obtains indication information by S1TNL address discovery process and determines to initiate the method for direct X2 connection establishment.Fig. 4 is the schematic flow sheet according to connection establishment embodiment of the method three of the present invention, and as shown in Figure 4, the connection establishment method of this example comprises the following steps:
Step 401, after the UE under HeNB cell measures the stronger signal of adjacent eNB community, sends measurement report to HeNB, wherein can comprise PCI in measurement report, ECGI, TAC, PLMN list etc.HeNB obtains the ECGI(PLMN ID+cell ID of this neighbor cell) after, judge that it is macrocell by information such as PCI or ECGI or CSG ID, then get front 20 bits of its cell ID as its eNB ID; If home base station cells, then get whole 28 bits of its cell ID as its eNB ID.HeNB obtains eNB ID and TAI(PLMN+TAC of adjacent base station) after, need to initiate TNL address discovery process to obtain it for setting up the transport layer address of X2 connection.
Step 402, HeNB sends S1 interface base station configuration message transfer (eNB configuration transfer) to MME, in this embodiment, HeNB is set up S1 with MME by HeNB GW be connected as S1 agency, and therefore first this eNB configuration transfer message be sent to HeNB GW.The X2 transport layer address of the X2GW of HeNB is comprised in this message.Also comprise eNB ID and TAI of source and target base station in this message, and request type is the instruction of TNL address.If HeNB is not connected with HeNB GW, then this message is without HeNB GW, is directly sent to MME.
Step 403, HeNB GW sends it to MME after receiving eNB configuration transfer message.
Step 404, after MME receives eNB configuration transfer message, sends MMEconfiguration transfer message to eNB.Wherein according to eNB ID and TAI of target BS in eNB configuration transfer message, MME can determine that it sends the target BS of MME configuration transfer message.
Step 405, after eNB obtains the address of the X2GW of HeNB, judgement cannot be set up SCTP with this X2GW and to be connected or X2 connects, or cannot register to this X2GW.Such as, eNB is connected with the SCTP of this X2GW or X2 connection establishment or X2 registration failure, and eNB determines not initiate to be connected with the SCTP between this X2GW according to carrier policy or local configuration information or X2 connection establishment or X2 register.
Step 406, eNB replys eNB configuration transfer message to MME, comprises indication information in this message.This indication information is used to indicate eNB and cannot sets up SCTP with X2GW and to be connected or X2 connects, or instruction HeNB should set up direct X2 with eNB and is connected.The transport layer address for setting up X2 connection of eNB is also comprised in this message.
Step 407, after MME receives eNB configuration transfer message, send MME configuration transfer message to HeNB according to eNB ID and TAI of target BS wherein, comprise in this message indication information and eNB for setting up the transport layer address that X2 is connected.Be connected because HeNB in this embodiment sets up S1 as S1 agency with MME by HeNB GW, therefore first this MMEconfiguration transfer message be sent to HeNB GW.
Step 408, is sent to HeNB by this message after HeNB GW receives, comprise in this message indication information and eNB for setting up the transport layer address that X2 is connected.
Step 409, after HeNB receives indication information, can judge whether to set up with eNB to be directly connected according to indication information and local configuration information.Set up direct X2 with eNB if determine to be connected, send X2 directly to eNB and set up request message, wherein carry the Serving cell of HeNB, neighbor cell, MME pool information.Do not set up direct X2 with eNB if determine to be connected, then do not initiate X2 process of establishing.
Step 410, eNB replys X2 and sets up response message to HeNB, wherein carries the Serving cell of eNB, neighbor cell, MME pool information.Now complete the X2 connection establishment process between eNB and HeNB.
Embodiment of the method four
That the present embodiment describes is HeNB sends to adjacent base station by TNL address discovery process by being used for setting up the address information that X2 connects, and adjacent base station sets up the method set up X2 with HeNB and be connected according to this information.Fig. 5 is the schematic flow sheet according to connection establishment embodiment of the method four of the present invention, and as shown in Figure 5, the connection establishment method of this example comprises the following steps:
Step 501, after the UE under HeNB cell measures the stronger signal of adjacent eNB community, sends measurement report to HeNB, wherein can comprise PCI in measurement report, ECGI, TAC, PLMN list etc.HeNB obtains the ECGI(PLMN ID+cell ID of this neighbor cell) after, judge that it is macrocell by information such as PCI or ECGI or CSG ID, then get front 20 bits of its cell ID as its eNB ID; If home base station cells, then get whole 28 bits of its cell ID as its eNB ID.HeNB obtains eNB ID and TAI(PLMN+TAC of adjacent base station) after, need to initiate TNL address discovery process to obtain it for setting up the transport layer address of X2 connection.
Step 502, HeNB sends S1 interface base station configuration message transfer (eNB configuration transfer) to MME, in this embodiment, HeNB is set up S1 with MME by HeNB GW be connected as S1 agency, and therefore first this eNB configuration transfer message be sent to HeNB GW.The X2 transport layer address of the X2GW of HeNB is comprised in this message, and the X2 transport layer address of HeNB.Also comprise eNB ID and TAI of source and target base station in this message, and request type is the instruction of TNL address.If HeNB is not connected with HeNB GW, then this message is without HeNB GW, is directly sent to MME.Optionally, the instruction of X2 connection establishment can also be comprised in this message.
Step 503, HeNB GW sends it to MME after receiving eNB configuration transfer message.
Step 504, after MME receives eNB configuration transfer message, sends MMEconfiguration transfer message to eNB.Wherein according to eNB ID and TAI of target BS in eNB configuration transfer message, MME can determine that it sends the target BS of MME configuration transfer message.
Step 505, after eNB obtains the address of the X2GW of HeNB, judgement cannot be set up SCTP with this X2GW and to be connected or X2 connects, or cannot register to this X2GW.Such as, eNB is connected with the SCTP of this X2GW or X2 connection establishment or X2 registration failure, and eNB determines not initiate to be connected with the SCTP between this X2GW according to carrier policy or local configuration information or X2 connection establishment or X2 register.
Step 506, eNB replys eNB configuration transfer message to MME.Optionally, indication information is comprised in this message.This indication information is used to indicate eNB and cannot sets up SCTP with X2GW and to be connected or X2 connects, or cannot register to this X2GW, or instruction HeNB should set up direct X2 with eNB and is connected.
Step 507, after MME receives eNB configuration transfer message, sends MME configuration transfer message to HeNB according to eNB ID and TAI of target BS wherein.Be connected because HeNB in this embodiment sets up S1 as S1 agency with MME by HeNB GW, therefore first this MME configuration transfer message be sent to HeNB GW.
Step 508, is sent to HeNB by this message after HeNB GW receives.
Step 509, eNB determines that cannot set up SCTP with this X2GW is connected or X2 connects, or cannot register to this X2GW, then determine that set up direct X2 is connected with HeNB, send X2 directly to HeNB and set up request message, wherein carry the Serving cell of eNB, neighbor cell, MME pool information.Optionally, indication information is comprised in this message.This indication information is used to indicate eNB and cannot sets up SCTP with X2GW and to be connected or X2 connects, or instruction HeNB should set up direct X2 with eNB and is connected.Step 509 can perform before step 506 or afterwards herein.
Step 510, HeNB can judge whether according to local configuration information and/or indication information the direct connection establishment request accepting eNB, if accept, then replys X2 and sets up response message to eNB, wherein carry the Serving cell of HeNB, neighbor cell, MME pool information.Now complete the X2 connection establishment process between eNB and HeNB.If do not accept, then reply X2 and set up failed message to eNB.
Fig. 6 is the composition structural representation of the connection establishment device of the embodiment of the present invention, and as shown in Figure 6, the connection establishment device of the embodiment of the present invention comprises receiving element 60 and sets up unit 61, wherein:
Receiving element 60, for receiving indication information;
Set up unit 61, for initiating X2 connection establishment according to described indication information;
Wherein, described indication information comprise following information one of at least:
X2 connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or, the SCTP SCTP connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or the adjacent base station of described Home eNodeB is failed to the X2 gateway registration of described Home eNodeB;
Or instruction is directly set up X2 with the adjacent base station of described Home eNodeB and is connected.
Above-mentioned receiving element 60, also for:
By indication information described in X2 interface message sink;
Or, receive described indication information by S1 interface message.
Above-mentioned receiving element 60, also for:
By the first X2 interface message, the address of the adjacent base station of described Home eNodeB is sent to the X2 gateway of described Home eNodeB;
Indication information described in the second X2 interface message sink sent by the X2 gateway of described Home eNodeB.
In the embodiment of the present invention, described first X2 interface message comprises: X2 sets up request message or base station configuration updating information or X2 login request message or newly-increased X2 interface message;
Described second X2 interface message comprises: X2 sets up failed message or base station configuration updating acknowledge message or base station configuration updating failed message or X2 registration confirmation message or X2 registration failure message or newly-increased X2 interface message.
On the basis of the connection establishment device shown in Fig. 6, the connection establishment device of the embodiment of the present invention also comprises:
Transmitting element (not shown in Fig. 6), initiates TNL address discovery for the adjacent base station to described Home eNodeB, sends S1 interface message; The address of the X2 gateway of described Home eNodeB is carried in described S1 interface message; Wherein, described S1 interface message is base station configuration message transfer;
Above-mentioned receiving element 60, also for the S1 interface message that the adjacent base station receiving described Home eNodeB sends, carries described indication information in described S1 interface message; Wherein, described S1 interface message is base station configuration message transfer.
Above-mentionedly setting up unit 61, being also connected with the direct X2 between the adjacent base station of described Home eNodeB for initiating.
Those skilled in the art are to be understood that, the function of each processing unit in the connection establishment device of the embodiment of the present invention, can refer to the associated description of aforesaid connection establishment method and understand, each processing unit in the connection establishment device of the embodiment of the present invention, realizing by realizing the analog circuit of the function described in the embodiment of the present invention, also can be realized by the operation of the software of the function of execution described in the embodiment of the present invention on smart machine.
Embodiments of the invention also describe a kind of connection establishment system, the adjacent base station of Home eNodeB and described Home eNodeB, wherein:
Described Home eNodeB, for sending to the adjacent base station of described Home eNodeB by the address information being used for setting up X2 connection;
The adjacent base station of described Home eNodeB, is connected with the X2 of described Home eNodeB for setting up according to described address information.
The syndeton of the connection establishment system of the embodiment of the present invention can see Fig. 1.
Described Home eNodeB, also for initiating TNL address discovery, and carries described for setting up the address information that X2 connects in the S1 interface message of adjacent base station being sent to described Home eNodeB; Described S1 interface message is base station configuration message transfer.
The adjacent base station of described Home eNodeB, also for being connected or X2 connection failure setting up SCTP with the X2 gateway of described Home eNodeB, or during to described X2 gateway registration failure, initiates and direct X2 connection establishment between described Home eNodeB.
The adjacent base station of described Home eNodeB, also for sending indication information to described Home eNodeB by the S1 interface message of TNL address discovery; Or send indication information to described Home eNodeB by the X2 interface message of the direct X2 connection establishment between described Home eNodeB.
Wherein, the described address information connected for setting up X2 comprises: the X2 transport layer address of the X2 transport layer address of Home eNodeB or the X2 gateway of described Home eNodeB.
It will be appreciated by those skilled in the art that the function of each base station in the connection establishment system of the embodiment of the present invention, can refer to the associated description of the scheduling collocation method of the method for aforesaid information processing and understand.
In several embodiment provided by the present invention, should be understood that, disclosed method and apparatus, can realize by another way.Device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, and as: multiple unit or assembly can be in conjunction with, maybe can be integrated into another system, or some features can be ignored, or do not perform.In addition, the coupling each other of shown or discussed each part or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of equipment or unit or communication connection can be electrical, machinery or other form.
The above-mentioned unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, also can be distributed in multiple network element; Part or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can all be integrated in a processing unit, also can be each unit individually as a unit, also can two or more unit in a unit integrated; Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that hardware also can be adopted to add SFU software functional unit realizes.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: movable storage device, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
Or, if the above-mentioned integrated unit of the embodiment of the present invention using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.Based on such understanding, the technical scheme of the embodiment of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprises some instructions and performs all or part of of method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server or the network equipment etc.).And aforesaid storage medium comprises: movable storage device, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.
Claims (26)
1. a connection establishment method, is characterized in that, the method comprises:
Home eNodeB receives indication information, and initiates X2 connection establishment according to described indication information.
2. method according to claim 1, is characterized in that, described indication information comprise following information one of at least:
X2 connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or, the SCTP SCTP connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or the adjacent base station of described Home eNodeB is failed to the X2 gateway registration of described Home eNodeB;
Or instruction is directly set up X2 with the adjacent base station of described Home eNodeB and is connected.
3. method according to claim 1, is characterized in that, described Home eNodeB receives indication information, comprising:
Described Home eNodeB is by indication information described in X2 interface message sink;
Or described Home eNodeB receives described indication information by S1 interface message.
4. method according to claim 3, is characterized in that, described Home eNodeB, by indication information described in X2 interface message sink, comprising:
The address of the adjacent base station of described Home eNodeB is sent to the X2 gateway of described Home eNodeB by described Home eNodeB by the first X2 interface message;
Described indication information is sent to described Home eNodeB by the second X2 interface message by the X2 gateway of described Home eNodeB.
5. method according to claim 4, is characterized in that, before described indication information is sent to described Home eNodeB by the second X2 interface message by the X2 gateway of described Home eNodeB, described method also comprises:
The X2 gateway of described Home eNodeB determines that setting up SCTP with the adjacent base station of described Home eNodeB is connected or X2 connection failure.
6. method according to claim 4, is characterized in that, described first X2 interface message comprises: X2 sets up request message or base station configuration updating information or X2 login request message or newly-increased X2 interface message;
Described second X2 interface message comprises: X2 sets up failed message or base station configuration updating acknowledge message or base station configuration updating failed message or X2 registration confirmation message or X2 registration failure message or newly-increased X2 interface message.
7. method according to claim 3, is characterized in that, described Home eNodeB receives described indication information by S1 interface message, comprising:
Described Home eNodeB initiates TNL address discovery to the adjacent base station of described Home eNodeB, and in the S1 interface message of adjacent base station being sent to described Home eNodeB, carry the address of the X2 gateway of described Home eNodeB; Wherein, described S1 interface message is base station configuration message transfer;
Described indication information is sent to described Home eNodeB by S1 interface message by the adjacent base station of described Home eNodeB; Wherein, described S1 interface message is base station configuration message transfer.
8. method according to claim 3, is characterized in that, before described indication information is sent to described Home eNodeB by S1 interface message by the adjacent base station of described Home eNodeB, described method also comprises:
Described adjacent base station determines that setting up SCTP with the X2 gateway of described Home eNodeB is connected or X2 connection failure, or performs the registration failure to the X2 gateway of described Home eNodeB.
9. method according to claim 3, is characterized in that, described according to described indication information initiation X2 connection establishment, comprising:
Described Home eNodeB initiates to be connected with the direct X2 between the adjacent base station of described Home eNodeB.
10. a connection establishment method, is characterized in that, the method comprises:
The address information being used for setting up X2 connection is sent to the adjacent base station of described Home eNodeB by described Home eNodeB;
The adjacent base station of described Home eNodeB is set up according to described address information and is connected with the X2 of described Home eNodeB.
11. methods according to claim 10, is characterized in that, the described address information connected for setting up X2 comprises: the X2 transport layer address of the X2 gateway of the X2 transport layer address of Home eNodeB, described Home eNodeB.
12. methods according to claim 10, is characterized in that, the address information being used for setting up X2 connection is sent to the adjacent base station of described Home eNodeB by described Home eNodeB, comprising:
Described Home eNodeB initiates TNL address discovery, and carries described for setting up the address information that X2 connects in the S1 interface message of adjacent base station being sent to described Home eNodeB; Described S1 interface message is base station configuration message transfer.
13. methods according to claim 12, is characterized in that, the adjacent base station of described Home eNodeB is set up according to described address information and is connected with the X2 of described Home eNodeB, comprising:
The adjacent base station of described Home eNodeB and the X2 gateway of described Home eNodeB are set up SCTP and are connected or X2 connection failure, or under described X2 gateway registration failure scenarios, the direct X2 connection establishment between initiation and described Home eNodeB.
14. methods according to claim 12, is characterized in that, before the adjacent base station of described Home eNodeB is set up to be connected with the X2 of described Home eNodeB according to described address information, described method also comprises:
The adjacent base station of described Home eNodeB sends indication information to described Home eNodeB by the S1 interface message of TNL address discovery.
15. methods according to claim 12, is characterized in that, the adjacent base station of described Home eNodeB is set up according to described address information and is connected with the X2 of described Home eNodeB, comprising:
The adjacent base station of described Home eNodeB sends indication information to described Home eNodeB by the X2 interface message of the direct X2 connection establishment between described Home eNodeB.
16. methods according to claim 14, is characterized in that, described indication information comprise following information one of at least:
X2 connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or, the SCTP SCTP connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or the adjacent base station of described Home eNodeB is failed to the X2 gateway registration of described Home eNodeB;
Or instruction is directly set up X2 with the adjacent base station of described Home eNodeB and is connected.
17. 1 kinds of connection establishment devices, is characterized in that, this device comprises: receiving element and set up unit, wherein:
Receiving element, for receiving indication information;
Set up unit, for initiating X2 connection establishment according to described indication information.
18. devices according to claim 17, is characterized in that, described indication information comprise following information one of at least:
X2 connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or, the SCTP SCTP connection establishment failure between the X2 gateway of described Home eNodeB and the adjacent base station of described Home eNodeB;
Or the adjacent base station of described Home eNodeB is failed to the X2 gateway registration of described Home eNodeB;
Or instruction is directly set up X2 with the adjacent base station of described Home eNodeB and is connected.
19. devices according to claim 17, is characterized in that, described receiving element, also for:
By indication information described in X2 interface message sink;
Or, receive described indication information by S1 interface message.
20. devices according to claim 19, is characterized in that, described receiving element, also for:
By the first X2 interface message, the address of the adjacent base station of described Home eNodeB is sent to the X2 gateway of described Home eNodeB;
Indication information described in the second X2 interface message sink sent by the X2 gateway of described Home eNodeB.
21. devices according to claim 19, is characterized in that, described device also comprises:
Transmitting element, initiates TNL address discovery for the adjacent base station to described Home eNodeB, sends S1 interface message; The address of the X2 gateway of described Home eNodeB is carried in described S1 interface message; Wherein, described S1 interface message is base station configuration message transfer;
Described receiving element, also for the S1 interface message that the adjacent base station receiving described Home eNodeB sends, carries described indication information in described S1 interface message; Wherein, described S1 interface message is base station configuration message transfer.
22. devices according to claim 19, is characterized in that, describedly set up unit, are also connected with the direct X2 between the adjacent base station of described Home eNodeB for initiating.
23. 1 kinds of connection establishment systems, is characterized in that, this system comprises: the adjacent base station of Home eNodeB and described Home eNodeB, wherein:
Described Home eNodeB, for sending to the adjacent base station of described Home eNodeB by the address information being used for setting up X2 connection;
The adjacent base station of described Home eNodeB, is connected with the X2 of described Home eNodeB for setting up according to described address information.
24. systems according to claim 23, is characterized in that, described Home eNodeB, also for initiating TNL address discovery, and carry described for setting up the address information that X2 connects in the S1 interface message of adjacent base station being sent to described Home eNodeB; Described S1 interface message is base station configuration message transfer.
25. systems according to claim 23, it is characterized in that, the adjacent base station of described Home eNodeB, also for being connected or X2 connection failure setting up SCTP with the X2 gateway of described Home eNodeB, or during to described X2 gateway registration failure, the direct X2 connection establishment between initiation and described Home eNodeB.
26. systems according to claim 25, is characterized in that, the adjacent base station of described Home eNodeB, also for sending indication information to described Home eNodeB by the S1 interface message of TNL address discovery; Or send indication information to described Home eNodeB by the X2 interface message of the direct X2 connection establishment between described Home eNodeB.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310452568.2A CN104519594B (en) | 2013-09-27 | 2013-09-27 | Connect method for building up and device, system |
| PCT/CN2014/077320 WO2014177075A1 (en) | 2013-09-27 | 2014-05-12 | Connection establishment method and device, system and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310452568.2A CN104519594B (en) | 2013-09-27 | 2013-09-27 | Connect method for building up and device, system |
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| CN104519594A true CN104519594A (en) | 2015-04-15 |
| CN104519594B CN104519594B (en) | 2019-08-30 |
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| CN201310452568.2A Expired - Fee Related CN104519594B (en) | 2013-09-27 | 2013-09-27 | Connect method for building up and device, system |
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| CN (1) | CN104519594B (en) |
| WO (1) | WO2014177075A1 (en) |
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| CN106454791A (en) * | 2015-08-05 | 2017-02-22 | 中国移动通信集团公司 | Method for extending number of network support base stations, base station, terminal and core network device |
| WO2020029784A1 (en) * | 2018-08-10 | 2020-02-13 | 中兴通讯股份有限公司 | Method for obtaining address, and method and device for sending address |
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| CN105813230A (en) * | 2014-12-31 | 2016-07-27 | 中兴通讯股份有限公司 | X2 interface message processing method, base station, X2 gateway and system |
| JP6088570B2 (en) * | 2015-03-23 | 2017-03-01 | ソフトバンク株式会社 | Mobile communication system and mobile communication method |
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Also Published As
| Publication number | Publication date |
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| WO2014177075A1 (en) | 2014-11-06 |
| CN104519594B (en) | 2019-08-30 |
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