CN102256237B - Tracking session synchronization method and device - Google Patents
Tracking session synchronization method and device Download PDFInfo
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- CN102256237B CN102256237B CN201110084060.2A CN201110084060A CN102256237B CN 102256237 B CN102256237 B CN 102256237B CN 201110084060 A CN201110084060 A CN 201110084060A CN 102256237 B CN102256237 B CN 102256237B
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Abstract
The invention discloses a tracking session synchronization method and a tracking session synchronization device. The tracking session synchronization method comprises the following steps of: receiving path switching request signaling from a base station, and judging whether user equipment has an active tracking session or not according to the path switching request signaling; and if the user equipment is judged to have the active tracking session, transmitting a tracking activation cell to the base station, wherein a tracking reference number in the tracking activation cell corresponds to a user identifier of the user equipment. By the tracking session synchronization method provided by the embodiment of the invention, the whole-network tracking session synchronization of the user equipment can be realized in the base station.
Description
Technical field
The present invention relates to the mobile communication technology field, be specifically related to trace session synchronous method and trace session synchronizer.
Background technology
Along with the development of mobile communications network, the scale of network increases gradually, and the fault location of network and fault are got rid of also difficulty increasingly.The subscriber equipment total network signalling tracing is the user ID of following the tracks of appointment, international mobile subscriber identity (IMSI for example, International Mobile Subscriber Identity) or international mobile equipment identification number (IMEI, International Mobile Equipment Identity) corresponding subscriber equipment (UE, User Equipment), in all signalings of wireless access network and core net, distribute or be present in this user-dependent signaling, can be collected in the application program of a statistics and being analyzed in different network elements.
In the prior art, subscriber equipment the whole network is followed the tracks of usually and is initiated from the network element of core net, for example, by home subscriber server (HSS, Home Subscriber Server) or Mobility Management Entity (MME, Mobility Management Equipment) initiate, activate the trace session on lower level network element or target network element by signaling relevant between network element, thereby realize that the whole network trace session of subscriber equipment is synchronous.For the whole network trace session of realizing subscriber equipment synchronous, when subscriber equipment is switched, while from source base station, being switched to target BS, target BS also must activate the trace session to this subscriber equipment, mainly by source base station, to target BS, sending the handover request message that carries tracking activation cell in prior art realizes, this tracking activates in cell and carries the track reference number corresponding with user ID, and track reference number is constant in a trace session process.Target BS, after receiving handover request message, is followed the tracks of and is activated the trace session of cell activation to subscriber equipment according to this, realizes that the whole network trace session of this subscriber equipment is synchronous.
The inventor finds, when subscriber equipment is switched, target BS, because the quantity of current system resource or the current trace session activated surpasses the reasons such as specification limits, causes the conversation failure of target BS activation trace, can not realize that the whole network trace session of subscriber equipment is synchronous.
Summary of the invention
The invention provides a kind of trace session synchronous method and device, can realize that the whole network trace session of subscriber equipment is synchronous.
The trace session synchronous method that the embodiment of the present invention provides comprises: after the tracking according to comprising in signaling activates the conversation failure of cell activation trace, will follow the tracks of the activation cell and be kept in wait queue; Activate the session of cell activation trace according to the tracking be kept in wait queue.
The embodiment of the present invention also provides a kind of trace session synchronous method, comprising: receive the path handover request signaling that base station sends, according to path handover request signaling, judge whether subscriber equipment exists the trace session of activation; During the trace session that exist to activate at the judgement subscriber equipment, send to base station to follow the tracks of and activate cell, it is number corresponding with the user ID of subscriber equipment that this follows the tracks of the track reference that activates in cell.
The trace session synchronizer that the embodiment of the present invention provides comprises: memory cell, and after activating the conversation failure of cell activation trace for the tracking comprising according to signaling, will follow the tracks of the activation cell and be kept in wait queue; And the activation processing unit, activate cell for the tracking according to being kept at wait queue and activate this trace session.
The embodiment of the present invention also provides a kind of trace session synchronizer, comprising: receiving element, the path handover request signaling sent for receiving base station; Judging unit, for judging according to path handover request signaling whether subscriber equipment exists the trace session of activation; And transmitting element, for when there is the trace session activated in this subscriber equipment of judgment unit judges, sends to base station to follow the tracks of and activate cell, follow the tracks of the track reference that activates in cell number corresponding with the user ID of subscriber equipment.
In embodiments of the present invention, by sending to follow the tracks of to target BS, activate cell after handover success, target BS can be followed the tracks of the activation cell according to this and activate the trace session to this subscriber equipment, realizes that the whole network trace session of subscriber equipment is synchronous.With activate after cell carrys out the activation trace conversation failure and stop activating this trace session and compare in the tracking according to comprising in signaling in prior art, the embodiment of the present invention can activate this trace session, realizes that the whole network trace session of subscriber equipment is synchronous.
The accompanying drawing explanation
Fig. 1 is the method flow diagram of trace session synchronous method the first embodiment of the present invention;
Fig. 2 is whether judging in wait queue of providing of the embodiment of the present invention exists and follow the tracks of the method flow diagram that activates cell;
Fig. 3 is the method flow diagram of trace session synchronous method the second embodiment of the present invention;
Fig. 4 be the embodiment of the present invention provide realize the method flow diagram that the whole network trace session is synchronous in handoff procedure;
Fig. 5 is the method flow diagram of the mobile management entity that provides of the embodiment of the present invention to target BS transmit path Handover Request Acknowledge signaling;
Fig. 6 is the schematic diagram of trace session synchronizer the first embodiment of providing of the embodiment of the present invention;
Fig. 7 is the schematic diagram of trace session synchronizer the second embodiment of providing of the embodiment of the present invention;
Fig. 8 is the schematic diagram of transmitting element in trace session synchronizer the second embodiment of the present invention.
Embodiment
The invention provides a kind of trace session synchronous method and the trace session synchronizer of realizing the method.Technical scheme for a better understanding of the present invention, be described in detail embodiment provided by the invention below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 1 is the method flow diagram of trace session synchronous method the first embodiment of the present invention.
In embodiments of the present invention, base station, after receiving the handover request signaling, is activated cell according to the tracking that comprises in the handover request signaling and is activated this trace session, but because base station current system resource limitation or other reason cause activating this trace session failure.
In embodiments of the present invention, base station, after the activation of the tracking according to comprising in handover request signaling cell carrys out the activation trace conversation failure, will be followed the tracks of the activation cell and be kept in wait queue.Wherein, the type of signaling is not limited to the handover request signaling, can also be the signaling of other type, such as initial context, sets up demand signalling etc.
In embodiments of the present invention, the aforementioned trace session of cell is activated according to the tracking of preserving in wait queue in base station.
In embodiments of the present invention, base station is kept in wait queue by activating the required tracking activation cell of this trace session, activate cell according to the tracking of preserving in wait queue and carry out the activation trace session, with activate after cell carrys out the activation trace conversation failure and stop activating this trace session and compare in the tracking according to comprising in signaling in prior art, the embodiment of the present invention can activate this trace session, realizes that the whole network trace session of subscriber equipment is synchronous.
In embodiments of the present invention, base station can, after activation trace session success, be deleted to follow the tracks of and activate cell from wait queue.Cell is activated by deleting the corresponding tracking of the trace session activated in base station, can avoid this trace session is carried out to reconditioning.
In embodiments of the present invention, if activate cell according to the tracking of preserving in wait queue in step 102, come the activation trace session unsuccessful, the step of carrying out the activation trace session according to this tracking activation cell will be continued to carry out in base station, and, after final this trace session of activation, delete this and follow the tracks of activation cell from wait queue.
In embodiments of the present invention, base station is after the activation of the tracking according to comprising in handover request signaling cell carrys out the activation trace conversation failure, link identification in the handover request signaling is kept in wait queue, link identification in the handover request signaling is corresponding with tracking activation cell, base station, after according to tracking activation cell, activating this trace session, is deleted this link identification and is followed the tracks of the activation cell from wait queue.Base station is after receiving tracking deexcitation signaling, can be according to following the tracks of the link identification comprised in the deexcitation signaling, the corresponding link identification of link identification comprised in deletion and deexcitation signaling from wait queue and tracking activate cell, can avoid this trace session to be repeated activation.In addition, in the d/d situation of the corresponding link of link identification that preserve in the judgement wait queue base station, link for example, when carrying out user's context and having discharged the carrying of (UEContext Release Complete) signaling, wireless link and discharge response (E-Rab ReleaseResponse) or RRM Connection Release (RRC Connection Release) signaling between subscriber equipment and target BS is released, and corresponding activation cell and the link identification followed the tracks of deleted in base station from wait queue.
Referring to Fig. 2, Fig. 2 is whether judging in wait queue of providing of the embodiment of the present invention exists and follow the tracks of the method flow diagram that activates cell.
In embodiments of the present invention, base station can also comprise the following steps before carrying out the step of carrying out the activation trace session according to the activation of the tracking in being kept at wait queue cell:
The embodiment of the present invention, can be in the situation that wait queue be the empty step of carrying out the activation trace session according to the activation of the tracking in being kept at wait queue cell that just starts to carry out by judging whether wait queue is empty.If judge that current wait queue is for empty, illustrate that this waits in queue to preserve to follow the tracks of to activate cell, just do not need to carry out trace session synchronizing process, the system resource that can save base station yet.
In embodiments of the present invention, base station also can only be activated a trace session simultaneously when activation trace activates cell, also can activate two or more trace sessions, the base station quantity of activation trace session can be current according to base station simultaneously resource and trace session specification are determined flexibly simultaneously.
Referring to Fig. 3, Fig. 3 is the method flow diagram of trace session synchronous method the second embodiment of the present invention.
After the switching flow between source base station and target BS finishes, target BS sends to path handover request signaling by dedicated link higher level's mobile management entity, mobile management entity, as the superior node of target BS and source base station, is preserved the trace session information of all access user equipments.
The path handover request signaling that step 301, reception base station send, judge according to this path handover request signaling whether subscriber equipment exists the trace session of activation.
Mobile management entity receives the path handover request signaling that base station sends, and obtains the user ID of subscriber equipment according to the link identification carried in the handover request signaling of path, then according to user ID, judges whether subscriber equipment exists the trace session of activation.
Step 302, when there is the trace session activated in this subscriber equipment of judgement, send to base station to follow the tracks of and activate cell, it is number corresponding with the user ID of subscriber equipment that this follows the tracks of the track reference that activates in cell.
Mobile management entity, after there is the trace session activated in this subscriber equipment of judgement, sends the tracking corresponding with this subscriber equipment and activates cell to base station, wherein, follow the tracks of track reference in the activation cell number corresponding with the user ID of subscriber equipment.
Target BS, after receiving tracking activation cell, activates cell according to this tracking and activates this trace session.
Trace session synchronous method the second embodiment of the present invention can solve source base station and cause the activation trace conversation failure due to the system failure or other reason, when subscriber equipment is switched to target BS, source base station can't send to target BS by activating the required tracking activation cell of this trace session, thereby causes target BS can't realize the technical problem synchronous to the whole network trace session of this subscriber equipment.The embodiment of the present invention activates cell by sending to follow the tracks of to target BS after handover success, and target BS can activate cell according to this tracking and activate the trace session to this subscriber equipment, realizes that the whole network trace session of subscriber equipment is synchronous.
Wherein, mobile management entity can increase in the Handover Request Acknowledge signaling of path follows the tracks of the activation cell, sends to this base station to carry and follows the tracks of the path Handover Request Acknowledge signaling that activates cell.In embodiments of the present invention, be not limited to send to follow the tracks of by path Handover Request Acknowledge signaling activate cell, can also send to base station by alternate manner to follow the tracks of and activate cell.Target BS is after receiving path Handover Request Acknowledge signaling, resolve this path Handover Request Acknowledge signaling, if find wherein to comprise to follow the tracks of and activate cell, at first by track reference number, judge the local trace session to this user that whether started, if started skipped this step, otherwise target BS activates the trace session of cell activation to this subscriber equipment according to following the tracks of.If target BS is found in the Handover Request Acknowledge signaling of path not exist to follow the tracks of to activate cell, illustrate and do not need subscriber equipment is followed the tracks of, skip this step.
For understanding in more detail the present invention, below provide concrete application scenarios of the present invention.Referring to Fig. 4, Fig. 4 be the embodiment of the present invention provide realize the method flow diagram that the whole network trace session is synchronous in handoff procedure.
Subscriber equipment is in the whole network tracking mode, and currently by source base station, is switched to target BS.Can communicate by X2 interface between source base station and target BS, and can communicate by the S1 link between base station and MME, can communicate by the S1 link between MME and UE.Wherein the S1 link identification between MME and UE is mobile management entity user equipment applications layer protocol link identification (MME UE S1AP ID, Mobility Management Entity User Equipment S1Application Identity).
Source base station sends the handover request signaling to target BS by X2 interface or MME by the S1 interface, carries in this signaling to follow the tracks of and activates cell.Target BS receives the handover request signaling, according to following the tracks of the activation cell, activates the trace session to this subscriber equipment.
If target BS successfully activates this trace session, realize the whole network trace session to this subscriber equipment.Process ends, otherwise perform step 401.Subscriber equipment will be switched to this target BS, and set up the S1 link of a special use between target BS and subscriber equipment, this link identification is evolved base station user equipment applications layer protocol link identification (eNB UE S1AP ID, Evolved NodeB User EquipmentS1 Application Identity).
In embodiments of the present invention, the parameter that target BS is kept in wait queue comprises that tracking activates cell and link identification, and this link identification can be eNB UE S1AP ID or MME UE S1AP ID.
Target BS judges whether this waits queue is empty, in the situation that judge that this waits queue and for empty, does not perform step 403.
If the step target BS successfully activates this trace session, continue execution step 404, otherwise start to perform step 402.
In embodiments of the present invention, if the reasons such as target BS current system resource limitation or trace session specification limits cause the activation trace conversation failure, continue execution step 403, until finally activate this trace session, realize synchronous to the whole network trace session of this subscriber equipment.
Whether target BS, delete this tracking activation cell and link identification from wait queue after, starts to perform step 402, judge in wait queue to exist to follow the tracks of to activate cell, this flow process of circulation execution.
In addition, target BS, after receiving tracking deexcitation signaling, according to following the tracks of eNB UE S1AP ID or the MME UE S1AP ID comprised in the deexcitation signaling, can be deleted corresponding the tracking and activate cell and link identification from wait queue.Target BS can also be in judgement under the eNB UE S1APID or the d/d situation of the corresponding link of MME UE S1AP ID in wait queue, for example at the execution customer equipment context, discharged (UE Context Release Complete) signaling, link after wireless link carrying release response (E-Rab Release Response) or RRM Connection Release (RRC ConnectionRelease) signaling between subscriber equipment and target BS is released, target BS can be deleted to follow the tracks of and activate cell and link identification from wait queue, avoid trace session to be repeated to activate.
In embodiments of the present invention, target BS can be carried out the step that activates a plurality of trace sessions simultaneously, also can carry out the step that activates a trace session at every turn, can also in trace session, select the trace session that priority is high to be activated, concrete activation strategy can determine flexibly according to current system.
Referring to Fig. 5, Fig. 5, be the method flow diagram of the mobile management entity that provides of the embodiment of the present invention to target BS transmit path Handover Request Acknowledge signaling.In embodiments of the present invention, source base station causes the activation trace conversation failure due to the system failure or other reason, and when subscriber equipment is switched to target BS, source base station can't activate cell and send to target BS activating the required tracking of this trace session.
The path handover request signaling that step 501, MME receiving target base station send.
After the switching flow between source base station and target BS finishes, target BS, to MME transmit path handover request signaling, upgrades the node relationships of user plane for notifying the MME network element.
MME, as the superior node of target BS, preserves the trace session information of the upper all access users of this MME.MME is receiving the path handover request signaling of target BS by the transmission of S1 link, obtain the user ID of subscriber equipment according to the MME UE S1AP ID carried in this path handover request signaling, then MME judges according to the user ID of UE whether this UE exists the trace session of activation.
When MME exists at judgement UE the trace session activated, increase to follow the tracks of in the Handover Request Acknowledge signaling of path and activate cell, then to target BS, send to carry and follow the tracks of the path Handover Request Acknowledge signaling that activates cell.
Target BS resolution path Handover Request Acknowledge signaling, if not finding wherein to comprise to follow the tracks of activates cell, illustrate and do not need this user is followed the tracks of, and skips this step.If find wherein to comprise to follow the tracks of and activate cell, the track reference number at first activated in cell by tracking judges the local trace session to this user that whether started, if started skipped this step, otherwise target BS activates this trace session according to following the tracks of the activation cell, can realize that the whole network trace session of subscriber equipment is synchronous.The embodiment of the present invention can solve target BS and can't obtain and activate the required tracking of this trace session and activate the technical problem that cell brings, and the embodiment of the present invention is followed the tracks of the path Handover Request Acknowledge signaling that activates cell and can be guaranteed that the whole network trace session of subscriber equipment also can realize synchronously on target BS by sending to base station to carry.
Referring to Fig. 6, Fig. 6 is the schematic diagram of trace session synchronizer the first embodiment of providing of the embodiment of the present invention.
Trace session synchronizer the first embodiment of the present invention mainly is comprised of memory cell 61 and activation processing unit 62.
Wherein, memory cell 61, after carrying out the activation trace conversation failure for the activation of the tracking comprising according to signaling cell, activate cell by this tracking and be kept in wait queue;
Activate processing unit 62, activate cell for the tracking according to being kept at wait queue and carry out the activation trace session.
Trace session synchronizer the first embodiment of the present invention can also comprise: delete cells 63, and for after activating processing unit 62 activation trace session successes, delete this and follow the tracks of the activation cell from wait queue.
Trace session synchronizer the first embodiment of the present invention can also comprise: the first trigger element 64, for after activating processing unit 62 and activating cell according to the tracking that is kept at wait queue and carry out the activation trace conversation failure, the processing unit 62 that triggers the activation is carried out according to the tracking be kept in wait queue and is activated the step that cell carrys out the activation trace session.
Trace session synchronizer the first embodiment of the present invention can also comprise: whether queue judging unit 65 is empty for judging wait queue;
The second trigger element 66, in the situation that queue judging unit 65 judgement wait queue be empty, the processing unit 62 that triggers the activation is according to the step that is kept at tracking activation cell in wait queue and comes the activation trace session.
Trace session synchronizer the first embodiment of the present invention can be used in base station, can use in aforementioned corresponding trace session synchronous method the first embodiment.
Referring to Fig. 7, Fig. 7 is the schematic diagram of trace session synchronizer the second embodiment of providing of the embodiment of the present invention.
At trace session synchronizer the second embodiment of the present invention, mainly by receiving element 71, judging unit 72 and transmitting element 73 form, wherein:
Receiving element 71, for receiving the path handover request signaling of base station;
Whether judging unit 72, for existing the trace session of activation according to path handover request signaling judgement switching user;
Transmitting element 73, for when there is the trace session activated in judging unit 72 judgement subscriber equipmenies, sends to base station to follow the tracks of and activate cell, and it is number corresponding with the user ID of switching the user that this follows the tracks of the track reference that activates in cell.
Referring to Fig. 8, Fig. 8 is the schematic diagram of transmitting element in trace session synchronizer the second embodiment of the present invention.Transmitting element 73 can comprise in embodiments of the present invention:
The first trigger module 731, for when there is the trace session activated in judging unit 72 judgement subscriber equipmenies, trigger message processing module 732 to base station transmit path Handover Request Acknowledge signaling;
Trace session synchronizer the second embodiment of the present invention can be used in aforementioned corresponding trace session synchronous method the second embodiment.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode of software and necessary general hardware platform, understanding based on such, technical scheme of the present invention can embody with the form of software product, it (can be read-only optical disc that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise that some instructions are with so that a computer equipment (can be personal computer, receiving terminal or the network equipment etc.) the described method of execution each embodiment of the present invention.
Above to institute of the present invention trace session synchronous method and realize that the trace session synchronizer of the method is described in detail.For one of ordinary skill in the art, the thought according to the embodiment of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.
Claims (6)
1. a trace session synchronous method, is characterized in that, comprising:
Receive that base station sends for notifying Mobility Management Entity to upgrade the path handover request signaling of the node relationships of user plane, judge according to described path handover request signaling whether subscriber equipment exists the trace session of activation;
When the trace session of the described subscriber equipment existence of judgement activation, send to follow the tracks of to described base station and activate cell, so that described base station is activated cell according to this tracking and activated this trace session after receiving tracking activation cell; It is number corresponding with the user ID of described subscriber equipment that described tracking activates track reference in cell.
2. trace session synchronous method according to claim 1, is characterized in that, the described tracking activation cell that sends to described base station comprises:
Send to described base station to carry and follow the tracks of the path Handover Request Acknowledge signaling that activates cell.
3. trace session synchronous method according to claim 1, is characterized in that, describedly according to described path handover request signaling, judges whether subscriber equipment exists the trace session of activation to comprise:
Receive the path handover request signaling that base station sends, and obtain the user ID of subscriber equipment according to the link identification carried in the handover request signaling of described path, then according to user ID, judge whether subscriber equipment exists the trace session of activation.
4. trace session synchronous method according to claim 2, is characterized in that, described when there is the trace session activated in the described subscriber equipment of judgement, and activates cell to the transmission tracking of described base station and comprise:
When there is the trace session activated in the judgement subscriber equipment, in the Handover Request Acknowledge signaling of path, increase is followed the tracks of and is activated cell, and sends and carry the path Handover Request Acknowledge signaling of following the tracks of the activation cell to target BS.
5. a trace session synchronizer, is characterized in that, comprising:
Receiving element, for receive that base station sends for notifying Mobility Management Entity to upgrade the path handover request signaling of the node relationships of user plane;
Judging unit, for judging according to described path handover request signaling whether subscriber equipment exists the trace session of activation;
Transmitting element, for when there is the trace session activated in the described subscriber equipment of described judgment unit judges, send to follow the tracks of to described base station and activate cell, so that described base station is activated cell according to this tracking and activated this trace session after receiving tracking activation cell; It is number corresponding with the user ID of subscriber equipment that described tracking activates track reference in cell.
6. trace session synchronizer according to claim 5, is characterized in that, described transmitting element comprises the first trigger module and message processing module:
Described the first trigger module, for when there is the trace session activated in described judgment unit judges subscriber equipment, trigger message processing module to base station transmit path Handover Request Acknowledge signaling;
Described message processing module, activate cell for increasing in path Handover Request Acknowledge signaling to follow the tracks of, send to described base station to carry and follow the tracks of the path Handover Request Acknowledge signaling that activates cell, it is number corresponding with the user ID of subscriber equipment that described tracking activates track reference in cell.
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| WO2015021639A1 (en) * | 2013-08-15 | 2015-02-19 | 华为技术有限公司 | Access network management device, base station, user equipment tracking method and system |
| EP3583804B1 (en) | 2017-02-14 | 2021-03-24 | Telefonaktiebolaget LM Ericsson (PUBL) | Method and network nodes to manage qoe measurement collection during relocation or handover |
| KR102220189B1 (en) * | 2017-02-16 | 2021-02-25 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | Method and network nodes for managing QoE measurement collection during relocation or handover |
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