CN103220821A - Method, device and base station for self-establishing of X2 link circuit - Google Patents

Method, device and base station for self-establishing of X2 link circuit Download PDF

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Publication number
CN103220821A
CN103220821A CN2013101026131A CN201310102613A CN103220821A CN 103220821 A CN103220821 A CN 103220821A CN 2013101026131 A CN2013101026131 A CN 2013101026131A CN 201310102613 A CN201310102613 A CN 201310102613A CN 103220821 A CN103220821 A CN 103220821A
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China
Prior art keywords
base station
traffic identifier
source base
sctp traffic
sctp
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Granted
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CN2013101026131A
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Chinese (zh)
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CN103220821B (en
Inventor
黄崧
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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Priority to CN201310102613.1A priority Critical patent/CN103220821B/en
Publication of CN103220821A publication Critical patent/CN103220821A/en
Priority to PCT/CN2014/070600 priority patent/WO2014154036A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • 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

Abstract

The invention provides a method, a device and a base station for self-establishing of an X2 link circuit. The method comprises the following steps that a target base station receives a request message for establishing the X2 link circuit sent by a source base station, wherein the request message comprises an SCTP (Stream Control Transmission Protocol) flow label of the source base station; the target base station judges whether a preset SCTP flow label is consistent to the SCTP flow label of the source base station or not; if yes, the target base station generates a respond message of the X2 link circuit according to the preset SCTP flow label; if no, the target base station generates a respond message of the X2 link circuit according to the SCTP flow label of the source base station; and the target base station returns the respond message of the X2 link circuit to the source base station. According to the method, the device and the base station for the self-establishing of the X2 link circuit, different factory base stations can be connected, connection of X2 line circuits between the base stations can be quickly established, and a network is quickly optimized.

Description

A kind of X2 link is from method, device and the base station set up
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method, device and a kind of base station of X2 link establishment.
Background technology
Long Term Evolution LTE (Long Term Evolution) network is the mobile wireless connecting system of future generation of 3GPP, comprise equipment of the core network and evolution base station (eNode B, eNB).Use the Sl interface to communicate between equipment of the core network and the eNB, use X2 interface to communicate between the eNB.
According to the description of 3gpp agreement 36420, The SCTP (IETF RFC4960[7]) is used to support the exchange of X2Application Protocol (X2AP) signalling messages between two eNBs (is to be used for supporting exchange X2 application protocol (X2AP) signaling message between two eNBs at SCTP (IETF RFC4960[7])).SCTP (stream control transmission protocol, SCTP) the X2 application protocol X2AP for the upper strata provides the transmission reliability services, for X2-C (signaling plane) be based upon the SCTP layer need with stream ID distinguish, carry public procedure (non UE-associated signaling) and the dedicated process (UE-associated signalling) of X2-C respectively.
With reference to the schematic diagram of the self-built position scape of a kind of X2 link shown in Figure 1, wherein eNB represents the base station.The base station obtains the cell ID of adjacent base station by self-configuring network SON receiver;
1, the base station obtains the adjacent base station address information according to described cell ID;
2, the base station according to described adjacent base station address information set up with adjacent base station between the X2 link be connected.
Prior art has only been considered with the X2 between the producer base station from setting up sight, so under the X2-IOT of different producer base station (the interoperability test of X2 interface) scene, may not match because of both sides' traffic identifier causes the X2 link establishment unsuccessful.
Therefore, those skilled in the art press for one of problem of solution and are, propose a kind of method and apparatus of X2 link establishment, can connect different producer base station, and the X2 link of setting up fast between the base station connects the rapid Optimum network.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method and apparatus of X2 link establishment, can connect different producer base station, and the X2 link of setting up fast between the base station connects the rapid Optimum network.
In order to address the above problem, the invention discloses a kind of X2 link from the method for setting up, comprising:
The request message of setting up the X2 link that target BS reception sources base station sends comprises the SCTP traffic identifier of described source base station in the described request message;
Described target BS judges whether the SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station;
If then described target BS generates the response message of X2 link according to the SCTP traffic identifier that presets;
If not, then described target BS generates the response message of X2 link according to the SCTP traffic identifier of source base station;
Described target BS returns the response message of described X2 link to source base station.
Preferably, described target BS comprises according to the step of the response message of the SCTP traffic identifier generation X2 link of source base station:
Described target BS is revised the SCTP traffic identifier that presets according to the SCTP traffic identifier of described source base station;
The SCTP traffic identifier that described target BS presets after with described modification writes in the response message of X2 link.
Preferably, whether consistent described target BS judged before the SCTP traffic identifier of the SCTP traffic identifier that presets and described source base station the step, also comprised:
Described target BS obtains the SCTP traffic identifier of source base station in the described request message;
Described target BS generates the field of the SCTP traffic identifier that carries described source base station;
Described target BS judges whether consistent step comprises for the SCTP traffic identifier of the SCTP traffic identifier that presets and described source base station:
The SCTP traffic identifier of described target BS extraction source base station from described field;
Described target BS judges whether the described SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station.
Preferably, the described target BS step of revising the SCTP traffic identifier that presets according to the SCTP traffic identifier of described source base station comprises:
Described target BS obtains the SCTP traffic identifier of source base station in the described field;
Described target BS is revised the SCTP traffic identifier that presets according to the SCTP traffic identifier of source base station in the described field.
Preferably, described method also comprises:
Described target BS keeps the described SCTP traffic identifier that presets.
The embodiment of the invention also discloses a kind of X2 link from the device of setting up, comprising:
Receive message module, be used for the request message of setting up the X2 link that target BS reception sources base station sends, comprise the SCTP traffic identifier of described source base station in the described request message;
The sign judge module is used for described target BS and judges whether the SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station; If, then call first response message, if not, then call second response message;
The first response message module is used for described target BS generates the X2 link according to the SCTP traffic identifier that presets response message;
The second response message module is used for described target BS generates the X2 link according to the SCTP traffic identifier of source base station response message;
Return module, be used for described target BS and return the response message of described X2 link to source base station.
Preferably, the described second response message module comprises:
Revise submodule, be used for described target BS and revise the SCTP traffic identifier that presets according to the SCTP traffic identifier of described source base station;
Write submodule, be used for the response message that SCTP traffic identifier that described target BS presets after with described modification writes the X2 link.
Preferably, described device also comprises:
Acquisition module is used for the SCTP traffic identifier that described target BS obtains described request message source base station;
Generation module is used for the field that described target BS generates the SCTP traffic identifier that carries described source base station;
Described sign judge module comprises:
Extract submodule, be used for the SCTP traffic identifier of described target BS from described field extraction source base station;
Judge submodule, be used for described target BS and judge whether the described SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station.
Preferably, described modification submodule comprises:
Acquiring unit is used for the SCTP traffic identifier that described target BS obtains described field source base station;
Revise the unit, be used for described target BS and revise the SCTP traffic identifier that presets according to the SCTP traffic identifier of described field source base station.
Preferably, described device also comprises:
Keep module, be used for described target BS and keep the described SCTP traffic identifier that presets.
The embodiment of the invention also discloses a kind of base station, comprising:
Receive message module, be used for the request message of setting up the X2 link that target BS reception sources base station sends, comprise the SCTP traffic identifier of described source base station in the described request message;
The sign judge module is used for described target BS and judges whether the SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station; If, then call first response message, if not, then call second response message;
The first response message module is used for described target BS generates the X2 link according to the SCTP traffic identifier that presets response message;
The second response message module is used for described target BS generates the X2 link according to the SCTP traffic identifier of source base station response message;
Return module, be used for described target BS and return the response message of described X2 link to source base station.
Compared with prior art, the present invention includes following advantage:
Target BS of the present invention can be set up the SCTP traffic identifier that the message of X2 link is carried according to the source base station request, determine whether on-the-fly modifying the SCTP traffic identifier of the default configuration of base station self with self SCTP traffic identifier contrast anticipation, to guarantee that the response message of setting up the X2 link can respond on the appointment SCTP traffic identifier that request message carries, finish interacting message then.Owing to on-the-fly modify the SCTP traffic identifier in the response message, therefore can promote the compatibility of distinct device producer on X2 interface, when interconnecting, can reach maximum compatible.So can connect different producer base station, the X2 link of setting up fast between the base station connects the rapid Optimum network.
Description of drawings
Fig. 1 is the schematic diagram of the self-built position scape of a kind of X2 link;
Fig. 2 is the flow chart of steps of a kind of X2 link of the present invention from the method embodiment 1 that sets up;
Fig. 3 is the IE sectional drawing of setting up X2 link signalling request message that a kind of source base station of the present invention sends;
Fig. 4 is the IE sectional drawing of setting up X2 link signalling response message that a kind of target BS of the present invention returns;
Fig. 5 is the flow chart of steps of a kind of X2 link of the present invention from the method embodiment 2 that sets up;
Fig. 6 is that a kind of X2 link of the present invention is from the flow chart of setting up;
Fig. 7 is that the inner X2 link of a kind of target BS of the present invention is from the flow chart of setting up;
Fig. 8 is the structured flowchart of a kind of X2 link of the present invention from the device embodiment that sets up;
Fig. 9 is the structured flowchart of a kind of base station embodiment of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
One of core idea of the present invention is, target BS can be set up the SCTP traffic identifier that the message of X2 link is carried according to the source base station request, determine whether on-the-fly modifying the SCTP traffic identifier of the default configuration of base station self with self SCTP traffic identifier contrast anticipation, to guarantee that the response message of setting up the X2 link can respond on the appointment SCTP traffic identifier that request message carries, finish interacting message then.So can connect different producer base station, the X2 link of setting up fast between the base station connects the rapid Optimum network.
With reference to Fig. 2, be depicted as the flow chart of steps of a kind of X2 link of the present invention from the method embodiment 1 that sets up, specifically can comprise the steps:
The request message of setting up the X2 link that step 101, target BS reception sources base station send comprises the SCTP traffic identifier of described source base station in the described request message;
In practice, source base station can send the request message set up the X2 link to target BS, i.e. X2 SETUP REQUEST message is after target BS receives the request message of the described X2 of foundation link, can therefrom obtain the SCTP traffic identifier of source base station, i.e. the SCTP common flow ID of source base station.
In the prior art, because therefore the SCTP transport layer SCTP traffic identifier of clearly not stipulating in the Stream Control Transmission Protocol under the X2-IOT scene of different producer base station, may not cause X2 link establishment failure because the SCTP traffic identifier matches.
Step 102, described target BS judge whether the SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station; If then execution in step 103, if not, then capable step 104;
In target BS, comprise the SCTP traffic identifier that presets, comprise the SCTP traffic identifier in the request message of setting up the X2 link that source base station sends.Target BS is based on the X2 request for building link, and promptly the SCTP traffic identifier in the X2 SETUP REQUEST message is compared with the SCTP traffic identifier configuration of self presetting, and judges with this whether target BS and source base station can be set up the X2 link and be connected.
The IE sectional drawing of the signaling request message of setting up the X2 link that sends with reference to a kind of source base station of the present invention shown in Figure 3, this figure is the X2 setup Request that source base station sends, i.e. X2 request for building link message, it carries SCTP traffic identifier 0x0000; The IE sectional drawing of the signaling response message of setting up the X2 link that reference a kind of target BS of the present invention shown in Figure 4 returns, this figure is target BS X2 setup Response, be X2 link response message, it carries SCTP traffic identifier 0x0001, because the SCTP traffic identifier between two base stations does not match, and may cause setting up between two base stations the failure of X2 link.
Need to prove, if want to realize the foundation of X2 link, the SCTP traffic identifier that carries among the X2 setup Response that the SCTP traffic identifier needs and target BS returns that carries among the X2 setup Request that should source base station under the normal condition sends will mate, and also is that source base station all receives also processing messages with the target BS both sides on identical data flow.
Step 103, described target BS generate the response message of X2 link according to the SCTP traffic identifier that presets;
If target BS judges that the SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station, then the SCTP traffic identifier of directly giving tacit consent to according to source base station self disposes and carries out X2 link establishment response message, be X2 SETUP RESPONSE message, can finish the foundation of X2 link between target BS and the source base station.
Step 104, described target BS generate the response message of X2 link according to the SCTP traffic identifier of source base station;
Set up the X2 link request message if source base station sends, the SCTP traffic identifier comparison back that is SCTP traffic identifier in the X2 SETUP REQUEST message and target BS self is inconsistent, then target BS will utilize and set up source base station carries in the X2 link request message SCTP traffic identifier at X2 link establishment response message, be to carry out backfill in the X2 SETUP RESPONSE message, guarantee that source base station and target BS both sides carry out the foundation of X2 link under SCTP stream ID match condition.
In a preferred embodiment of the present invention, described step 104 specifically can comprise following substep:
Substep S11, described target BS is revised the SCTP traffic identifier that presets according to the SCTP traffic identifier of described source base station;
The SCTP traffic identifier that substep S12, described target BS preset after with described modification writes in the response message of X2 link.
Target BS comprises high-rise module HL and processing module OM, high-rise module HL finds to receive the SCTP traffic identifier on the X2 dedicated link, then high-rise module HL sends out message to processing module OM, carry and receive the SCTP traffic identifier, processing module OM keeps this SCTP traffic identifier the also default configuration of modifying target base station itself again, and the high-rise module HL of notification target base station is sent to source base station according to amended SCTP traffic identifier in the response message of setting up the X2 link.
Step 105, described target BS are returned the response message of described X2 link to source base station.
After the response message of setting up the X2 link generated, target BS sent this response message to source base station, finished the process that the X2 link is set up certainly between the base station.
With reference to Fig. 5, be depicted as the flow chart of steps of a kind of X2 link of the present invention from the embodiment 2 of the method for setting up, specifically can comprise the steps:
The request message of setting up the X2 link that step 201, target BS reception sources base station send comprises the SCTP traffic identifier of described source base station in the described request message;
Step 202, described target BS are obtained the SCTP traffic identifier of source base station in the described request message;
Step 203, described target BS generates the field of the SCTP traffic identifier that carries described source base station;
In specific implementation, the high-rise module HL of target BS receives the request message of setting up the X2 link (described request message comprises the SCTP traffic identifier of source base station) that source base station sends, and generates the field of the SCTP traffic identifier that carries described source base station and sends message informing processing module OM.
Step 204, described target BS judge whether the SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station; If then execution in step 205, if not, then capable step 206;
In a preferred embodiment of the present invention, described step 204 specifically can comprise following substep:
The SCTP traffic identifier of substep S21, described target BS extraction source base station from described field;
Substep S22, described target BS judge whether the described SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station.
Particularly, the processing module OM of target BS extracts the SCTP traffic identifier of source base station from field, and the SCTP traffic identifier of judging source base station whether with the SCTP traffic identifier configuration consistency of target BS acquiescence.
Step 205, described target BS generate the response message of X2 link according to the SCTP traffic identifier that presets;
Step 206, described target BS generate the response message of X2 link according to the SCTP traffic identifier of source base station;
In a preferred embodiment of the present invention, described step 206 specifically can comprise following substep:
Substep S31, described target BS obtain the SCTP traffic identifier of source base station in the described field;
Substep S32, described target BS is revised the SCTP traffic identifier that presets according to the SCTP traffic identifier of source base station in the described field.
The SCTP traffic identifier that the processing module OM of target BS carries according to field in the high-rise module HL message is revised the configuration of the SCTP traffic identifier of acquiescence, and processing module OM sends according to the high-rise module HL of amended SCTP traffic identifier configuration notification and sets up the response message of X2 link to source base station.
Step 207, described target BS are returned the response message of described X2 link to source base station.
In order to make those skilled in the art further understand the embodiment of the invention, illustrate that below by a concrete example a kind of X2 link of the present invention is from the process of setting up.
, specifically comprise the steps: from the flow chart of setting up with reference to a kind of X2 link of the present invention shown in Figure 6
Step 1.1, source base station are initiated X2 and are set up request message on the SCTP traffic identifier;
Step 1.2, target BS judge whether SCTP traffic identifier and self configuration SCTP traffic identifier mate; If then execution in step 1.3, if not, then execution in step 1.4;
Step 1.3, carry out X2 according to the SCTP traffic identifier of self default configuration and set up response, keep the SCTP traffic identifier configuration of base station acquiescence;
The SCTP traffic identifier of setting up the X2 request message that the SCTP traffic identifier that step 1.4, X2 set up response message sends according to source base station carries out backfill to be handled, and the change default configuration is adapted on requesting party's the SCTP traffic identifier.
, specifically comprise the steps: from the flow chart of setting up with reference to the inner X2 link of of the present invention a kind of target BS shown in Figure 7
Step 2.1, high-rise module HL receive X2 link setup request message (carrying Stream Identifier. is the SCTP traffic identifier of source base station), send message informing processing module OM (increase field and carry SCTP traffic identifier field);
Step 2.2, processing module OM receive the message informing of high-rise module HL;
The SCTP traffic identifier that step 2.3, processing module OM judge source base station whether with the SCTP traffic identifier configuration consistency of the source base station of acquiescence; If then execution in step 2.4, if not, then execution in step 2.5;
Step 2.4, send X2 link setup response message according to acquiescence SCTP traffic identifier configuration notification HL module;
Step 2.5, processing module OM revise configuration according to the SCTP traffic identifier of the source base station that high-rise module HL message informing field is carried;
Step 2.6, processing module OM send X2 link setup response message according to the SCTP traffic identifier Configuration Values notice HL module of amended source base station.
In sum, at in the 3GPP agreement not clearly under the SCTP traffic identifier that is used for the X2 link establishment of appointment, the adaptation mechanism of a kind of SCTP traffic identifier of X2-IOT scene of distinct device between different manufacturers can reach maximum compatible with distinct device producer interconnecting on X2 interface the time.
In a preferred embodiment of the present invention, described method can also comprise the steps:
Described target BS keeps the described SCTP traffic identifier that presets.
After finishing being connected of X2 link between source base station and the target BS, described target BS can keep the SCTP traffic identifier that presets, i.e. the SCTP traffic identifier of itself configuration.
In embodiments of the present invention, the default configuration of the SCTP traffic identifier of base station reservation self and introducing base station dispose the process of comparing to the SCTP traffic identifier of the request message of reception and the SCTP traffic identifier of self acquiescence, and 2 purposes are arranged:
The one, the X2 link establishment, either party has the power of initiating the X2 request for building link, as the base station of transmitting terminal, is setting up the acquiescence SCTP traffic identifier configuration that needs self in the process certainly, and the request that the X2 link is set up in initiation need meet the 3gpp protocol requirement;
The 2nd, if as the base station of receiving terminal under the situation of SCTP traffic identifier coupling, directly use self configuration can trigger the X2 link establishment more efficiently, avoid the backfill of the unnecessary SCTP traffic identifier in base station to handle operation, reduce the time delay of setting up the X2 link.
Need to prove, for method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the application is not subjected to the restriction of described sequence of movement, because according to the application, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action might not be that the application is necessary.
With reference to Fig. 8, be depicted as the structured flowchart of a kind of X2 link of the present invention from the device embodiment that sets up, described device can comprise as lower module:
Receive message module 301, be used for the request message of setting up the X2 link that target BS reception sources base station sends, comprise the SCTP traffic identifier of described source base station in the described request message;
In a preferred embodiment of the present invention, described device can also comprise as lower module:
Acquisition module is used for the SCTP traffic identifier that described target BS obtains described request message source base station;
Generation module is used for the field that described target BS generates the SCTP traffic identifier that carries described source base station;
Sign judge module 302 is used for described target BS and judges whether the SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station; If, then call first response message 303, if not, then call second response message 304;
In a preferred embodiment of the present invention, described sign judge module 302 can comprise following submodule:
Extract submodule, be used for the SCTP traffic identifier of described target BS from described field extraction source base station;
Judge submodule, be used for described target BS and judge whether the described SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station.
The first response message module 303 is used for described target BS generates the X2 link according to the SCTP traffic identifier that presets response message;
The second response message module 304 is used for described target BS generates the X2 link according to the SCTP traffic identifier of source base station response message;
In a preferred embodiment of the present invention, the described second response message module 304 can comprise following submodule:
Revise submodule, be used for described target BS and revise the SCTP traffic identifier that presets according to the SCTP traffic identifier of described source base station;
Write submodule, be used for the response message that SCTP traffic identifier that described target BS presets after with described modification writes the X2 link.
In a preferred embodiment of the present invention, described modification submodule can comprise as lower unit:
Acquiring unit is used for the SCTP traffic identifier that described target BS obtains described field source base station;
Revise the unit, be used for described target BS and revise the SCTP traffic identifier that presets according to the SCTP traffic identifier of described field source base station.
Return module 305, be used for described target BS and return the response message of described X2 link to source base station.
In a preferred embodiment of the present invention, described device can also comprise as lower module:
Keep module, be used for described target BS and keep the described SCTP traffic identifier that presets.
For device embodiment, because it is similar substantially to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
With reference to Fig. 9, be depicted as the structured flowchart of a kind of base station embodiment of the present invention, specifically can comprise as lower module:
Receive message module 401, be used for the request message of setting up the X2 link that target BS reception sources base station sends, comprise the SCTP traffic identifier of described source base station in the described request message;
Sign judge module 402 is used for described target BS and judges whether the SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station; If, then call first response message 403, if not, then call second response message 404;
The first response message module 403 is used for described target BS generates the X2 link according to the SCTP traffic identifier that presets response message;
The second response message module 404 is used for described target BS generates the X2 link according to the SCTP traffic identifier of source base station response message;
Return module 405, be used for described target BS and return the response message of described X2 link to source base station.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
Those skilled in the art should understand that the application's embodiment can be provided as method, device or computer program.Therefore, the application can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the application can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The application is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the present application.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the application's preferred embodiment, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the application's scope.
At last, also need to prove, in this article, relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
More than to method, device and a kind of base station of a kind of X2 link establishment provided by the present invention, be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (11)

1. an X2 link is characterized in that from the method for setting up, and comprising:
The request message of setting up the X2 link that target BS reception sources base station sends comprises the SCTP traffic identifier of described source base station in the described request message;
Described target BS judges whether the SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station;
If then described target BS generates the response message of X2 link according to the SCTP traffic identifier that presets;
If not, then described target BS generates the response message of X2 link according to the SCTP traffic identifier of source base station;
Described target BS returns the response message of described X2 link to source base station.
2. method according to claim 1 is characterized in that, described target BS comprises according to the step of the response message of the SCTP traffic identifier generation X2 link of source base station:
Described target BS is revised the SCTP traffic identifier that presets according to the SCTP traffic identifier of described source base station;
The SCTP traffic identifier that described target BS presets after with described modification writes in the response message of X2 link.
3. method according to claim 1 is characterized in that, whether consistent described target BS judged before the SCTP traffic identifier of the SCTP traffic identifier that presets and described source base station the step, also comprised:
Described target BS obtains the SCTP traffic identifier of source base station in the described request message;
Described target BS generates the field of the SCTP traffic identifier that carries described source base station;
Described target BS judges whether consistent step comprises for the SCTP traffic identifier of the SCTP traffic identifier that presets and described source base station:
The SCTP traffic identifier of described target BS extraction source base station from described field;
Described target BS judges whether the described SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station.
4. according to claim 2 or 3 described methods, it is characterized in that the step that described target BS is revised the SCTP traffic identifier that presets according to the SCTP traffic identifier of described source base station comprises:
Described target BS obtains the SCTP traffic identifier of source base station in the described field;
Described target BS is revised the SCTP traffic identifier that presets according to the SCTP traffic identifier of source base station in the described field.
5. method according to claim 4 is characterized in that, also comprises:
Described target BS keeps the described SCTP traffic identifier that presets.
6. an X2 link is characterized in that from the device of setting up, and comprising:
Receive message module, be used for the request message of setting up the X2 link that target BS reception sources base station sends, comprise the SCTP traffic identifier of described source base station in the described request message;
The sign judge module is used for described target BS and judges whether the SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station; If, then call first response message, if not, then call second response message;
The first response message module is used for described target BS generates the X2 link according to the SCTP traffic identifier that presets response message;
The second response message module is used for described target BS generates the X2 link according to the SCTP traffic identifier of source base station response message;
Return module, be used for described target BS and return the response message of described X2 link to source base station.
7. device according to claim 6 is characterized in that, the described second response message module comprises:
Revise submodule, be used for described target BS and revise the SCTP traffic identifier that presets according to the SCTP traffic identifier of described source base station;
Write submodule, be used for the response message that SCTP traffic identifier that described target BS presets after with described modification writes the X2 link.
8. device according to claim 6 is characterized in that, also comprises:
Acquisition module is used for the SCTP traffic identifier that described target BS obtains described request message source base station;
Generation module is used for the field that described target BS generates the SCTP traffic identifier that carries described source base station;
Described sign judge module comprises:
Extract submodule, be used for the SCTP traffic identifier of described target BS from described field extraction source base station;
Judge submodule, be used for described target BS and judge whether the described SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station.
9. according to claim 7 or 8 described devices, it is characterized in that described modification submodule comprises:
Acquiring unit is used for the SCTP traffic identifier that described target BS obtains described field source base station;
Revise the unit, be used for described target BS and revise the SCTP traffic identifier that presets according to the SCTP traffic identifier of described field source base station.
10. device according to claim 9 is characterized in that, also comprises:
Keep module, be used for described target BS and keep the described SCTP traffic identifier that presets.
11. a base station is characterized in that, comprising:
Receive message module, be used for the request message of setting up the X2 link that target BS reception sources base station sends, comprise the SCTP traffic identifier of described source base station in the described request message;
The sign judge module is used for described target BS and judges whether the SCTP traffic identifier that presets is consistent with the SCTP traffic identifier of described source base station; If, then call first response message, if not, then call second response message;
The first response message module is used for described target BS generates the X2 link according to the SCTP traffic identifier that presets response message;
The second response message module is used for described target BS generates the X2 link according to the SCTP traffic identifier of source base station response message;
Return module, be used for described target BS and return the response message of described X2 link to source base station.
CN201310102613.1A 2013-03-27 2013-03-27 A kind of X2 link is from method, device and the base station set up Active CN103220821B (en)

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