CN101651853B - Method, device and system for maintaining radio bearer - Google Patents
Method, device and system for maintaining radio bearer Download PDFInfo
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- CN101651853B CN101651853B CN2008101424636A CN200810142463A CN101651853B CN 101651853 B CN101651853 B CN 101651853B CN 2008101424636 A CN2008101424636 A CN 2008101424636A CN 200810142463 A CN200810142463 A CN 200810142463A CN 101651853 B CN101651853 B CN 101651853B
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Abstract
The embodiment of the invention discloses a method for maintaining a radio bearer. According to the method, the radio bearer corresponding to the bearer failing to be established at a core network side is deleted by receiving a bearer deleting request transmitted by a core network node or establishment state information of a bearer at the core network side, so that the air interface resources are effectively saved. The embodiment of the invention further discloses a device and a system for maintaining the radio bearer.
Description
Technical field
The present invention relates to wireless communication technology, relate in particular to a kind of method, Apparatus and system of maintaining radio bearer.
Background technology
At present in 3GPP (Third Generation Partnership Project third generation partner program), each active research LTE of manufacturer (Long Term Evolved long-term evolving network)/SAE (SystemArchitecture Evolved System Architecture Evolution network), the purpose of LTE provides a kind of cheaply network that can reduce time delay, raising user data rate, improved power system capacity and covering, use PS (PacketSwitched packet switching) territory professional, bearer network all is the IP carrying.Fixed a kind of LTE/SAE network architecture is as shown in Figure 1:
Following to LTE/SAE evolution network framework and function declaration thereof, in the packet-based core networks of evolution:
The function of MME (Mobility Management Entity Mobility Management Entity) is to preserve the MM Context of UE (User Equipment terminal, user or subscriber equipment), sign such as the user, mobility management states, positional information etc., and NAS (Non Access Stratum Non-Access Stratum) signaling processed, be responsible for the safety of NAS signaling etc.
SAE GW (System Architecture Evolved Gateway System Architecture Evolution network gateway) comprises two parts S-GW (Serving Gateway gateway) and P-GW (PDN Gateway grouped data network gateway).S-GW and P-GW are two logic entities, may reside on the same or different physical entities.
User's face context of the upper preservation of S-GW UE such as IP address and the routing iinformation of UE, is carried out Lawful Interception, packet routing function etc.Interface between S-GW and the MME is S11, is responsible for communicating by letter between MME, the S-GW, and the mobility management information that carries out UE and session control information etc. are alternately.
MME is by S1-MME, and S-GW is responsible for chain of command with the E-UTRAN network respectively by S1-U is connected with user's face and is connected.MME is by the S3 interface simultaneously, and S-GW is connected with 2G/3G SGSN (Serving GPRS Support Node) respectively by the S4 interface, is responsible for respectively mobility chain of command anchor point and the user face anchor point function of UE between 2G/3G and SAE network.
P-GW is responsible for user's face anchor point function that UE is linked into Packet Data Network, communicate by SGi reference point and external packet data net, function with Packet routing and forwarding, and responsible policy, billing strengthens function, based on each user's packet filtering function etc.P-GW links to each other with S-GW by the S5 interface, transmits the carrying foundation/control informations such as modification/deletion, and packet routing etc.
SGSN (Serving GPRS Support Node Serving GPRS Support Node) is as a basic composition network element, and its main effect is exactly the IP grouping of MS (Mobile Station portable terminal) the forwarding I/O for this SGSN coverage.The function that SGSN provides comprises: route and the forwarding capability of the packet data package in this SGSN area, for all the PS users in this SGSN area provide service; Encrypt and authentication functions; Conversation management functional; The mobile management function; SGSN is responsible for mobility chain of command anchor point and the user face anchor point function of UE between 2G/3G and SAE network.Interface between SGSN and the MME is S3, and the interface between SGSN and the S-GW is S4.
E-UTRAN (Evolved Universal Terrestrial Radio Access Network evolution Universal Terrestrial Radio Access Network) is the evolvement network wireless access network, formed by eNodeB (Evolved NodeB evolution base station), can be interconnected by X2 interface between the eNodeB.
PCRF (Policy and Charging Rules Function policy charging rule function) transmits QoS and charging policy control information etc. by the S7 interface to P-GW.
In the LTE/SAE network, the UE that is in connection status enters into another one eNodeB (target eNode B: during Target eNodeB) control area, need to carry out the switching of control signal and the transmission of data of X2 interface from an eNodeB (source eNode B:SourceeNodeB) control area.The handoff procedure of X2 interface is divided into handoff preparation phase, handover execution stage and switching and finishes stages three part.Handoff preparation phase mainly is the resource reservation process of finishing on target eNode B; Handover execution stage is finished the handoff procedure of eating dishes without rice or wine, and comprises that UE is that UE distributes access channel etc. to synchronous, the Target cell of Target cell; What switch that the stage of finishing mainly carries out is the handoff procedure of the carrying of core net, comprises the renewal process of the beared information that the foundation of the up-downgoing carrying of target eNode B to the S-GW and S-GW initiate to P-GW etc.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: in the prior art, finished the successful switch of air interface radio bearer in switching preparation/handover execution stage, and finish the stage in switching, for some reason so that the part air interface radio bearer of handover success set up unsuccessfully in the respective carrier of core network side, thereby cause the waste of air interface Radio Resource.For example, the above-mentioned failed reason of respective carrier foundation of core network side that causes can comprise: MME namely may exist because some signatory restriction so that the core net carrying of target eNode B request is set up unsuccessfully according to the limit decision carrying whether needs are set up core net of user contracting data; Perhaps, if for change has occured in the S-GW of UE service, in the loading establishing process that MME initiates to target S-GW, because the upper inadequate resource of target S-GW also may cause the core net carrying to be set up unsuccessfully.
Summary of the invention
The embodiment of the invention provides a kind of method, Apparatus and system of maintaining radio bearer, so that in network switching process, interface-free resources is effectively saved.
Method according to the maintaining radio bearer of the embodiment of the invention comprises: receive the core network side carrying that core network node sends and set up state information or deleting bearing request; The deletion core network side is set up the radio bearer of failed carrying correspondence.
The embodiment of the invention also discloses a kind of device, comprise: wireless network side, be used for initiating network switching process, and set up state information according to deleting load-bearing request or carrying that the core network side that receives sends, the deletion core network side is set up the radio bearer of failed carrying correspondence; Core network side, be used for after above-mentioned wireless network side is initiated handoff procedure, state information is set up in the carrying of obtaining in the core network handoff procedure, and sets up state information according to above-mentioned carrying and set up state information to above-mentioned wireless network side transmission deleting load-bearing request or carrying.
By relatively can finding, technique scheme compared with prior art has following advantage or beneficial effect at least:
The embodiment of the invention is set up state information by the deleting bearing request or the core network side carrying that receive the core network node transmission; The deletion core network side is set up the radio bearer of failed carrying correspondence; So that interface-free resources is effectively saved.
Description of drawings
Fig. 1 is LTE/SAE network architecture sketch;
The overall technological scheme flow chart of the maintaining radio bearer method that Fig. 2 provides for the embodiment of the invention;
The method flow diagram of the maintaining radio bearer that Fig. 3 provides for the embodiment of the invention 1;
The method flow diagram of the maintaining radio bearer that Fig. 4 provides for the embodiment of the invention 2;
The method flow diagram of the maintaining radio bearer that Fig. 5 provides for the embodiment of the invention 3;
The method flow diagram of the maintaining radio bearer that Fig. 6 provides for the embodiment of the invention 4;
The device schematic diagram that Fig. 7 provides for the embodiment of the invention 5;
Fig. 8 is the communication system schematic diagram according to the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing various embodiments of the present invention are described in further detail.
The embodiment of the invention provides a kind of method of maintaining radio bearer, the overall technological scheme flow process as shown in Figure 2:
UE switches to the control area process of target eNode B from eNode B control area, source, after the switching preparation between wireless network node and handover execution stage are finished, target radio network node, such as target eNode B, initiate the core network handover request to core network node, core network node is set up carrying, then carries out following steps:
In step 201, core network node is set up situation according to the carrying of core network side, obtains carrying and sets up state information.
Optionally, core network node carries out batch processing to the carrying that the wireless network request is set up, and namely after receiving handover request, core network node starts a timer, is used for the duration that control core network node monitoring core network side load is set up state.The message number that this timer duration can wait for receive based on needs or arrange based on type of message etc.This duration should guarantee under normal circumstances, and core network node can receive all carryings responses of successfully setting up.
When timer then after, core network node is set up situation according to carrying, generates the carrying of core network side and sets up state information list, this tabulation can be the tabulation of the carrying that is successfully established, also can be for setting up the tabulation of failed carrying.Timer then before, core network side also unfounded carrying all is considered as carrying and sets up unsuccessfully, covers among the tabulation of the failed carrying of foundation.
In step 202, state information is set up in the carrying of core network node notice wireless network node core network side.
This information can be the batch processing situation, such as the tabulation of carrying the carrying that is successfully established in a piece of news or the tabulation of setting up failed carrying.At this moment, this information can be carried in the switching response message that core network node returns to wireless network node, also can be carried to other message that wireless network node sends by core network node.
This information also can be the situation of non-batch processing, and as for every carrying, core network node all sends the notification message that state is set up in a carrying.This message can be that failure is set up in message or the wall scroll carrying that the wall scroll carrying is successfully established.Optionally, core network node carries the situation of setting up according to wall scroll, and request wireless network node deletion core network is set up the radio bearer of failed carrying correspondence.
In step 203, wireless network node is set up state information or deleting load-bearing request according to the carrying of the core network side that core network node provides, and core network side is set up the radio bearer of failed carrying correspondence and is processed.
This processing comprises: delete immediately to be successfully established but to set up failed part in core network side at wireless network node and carry; Perhaps, temporarily preserve core network side and set up failed radio bearer corresponding to part carrying, after a time, again initiate handover request to core network node, so that core network node is set up corresponding carrying again, if or can't successfully set up the again corresponding carrying of deletion.
Figure 3 shows that the method flow of the maintaining radio bearer that the embodiment of the invention 1 provides, be applicable to set up failed situation because the upper inadequate resource of target S-GW causes the core network side carrying, specifically comprise:
Step 301, UE switch to the control area process of target eNode B from eNode B control area, source, after switch preparing and handover execution stage finish, be after the Radio Resource of air interface has switched to target eNode B from source eNodeB, target eNode B informs that by path handover request message MME:UE has changed the residential quarter, and carries air interface and set up failed Radio Resource tabulation in this message.MME is that UE reselects the S-GW into its service, i.e. target S-GW.
Step 302, MME start timer I.
This timer I is used for scheduled duration is set, and this scheduled duration is the duration that core network node monitoring core network side load is set up state.This scheduled duration can be based on setting, based on the message number of needs wait reception or based on type of message.The principle of this scheduled duration setting comprises: guarantee under normal circumstances, core network node can receive all carrying responses of successfully setting up.
Step 303, the path handover request information of MME by receiving are initiated carrying to target S-GW and are set up request.
Step 304, target S-GW send to MME and set up the carrying response.
MME receives after this message, starts a timer II, is used for the release moment of the resource of monitoring core network side.
After step 305, timer I were overtime, MME set up state according to the carrying of core network side, generated the tabulation of the carrying that is successfully established or set up the tabulation of failed carrying.This does not set up the carrying foundation response of carrying if also receive the needs that step 303 is initiated constantly, all is considered as this carrying and sets up unsuccessfully.
Step 306, MME send carrying by the path handoff response to target eNode B and set up state information, perhaps deleting bearing request.
MME also can send carrying to target eNode B by independent a piece of news and set up state information, perhaps deleting bearing request.
Above-mentioned carrying is set up state information and is comprised: the tabulation of the carrying that is successfully established, the tabulation of the carrying that perhaps foundation is failed.
Above-mentioned deleting bearing request comprises: delete the request that all set up radio bearer corresponding to failed core network side carrying.
Step 307, target eNode B are set up state information or deleting bearing request according to the carrying that receives the MME transmission, and radio bearer is processed.
Target eNode B comprises the processing that radio bearer carries out: delete immediately in core network side and set up failed radio bearer corresponding to part carrying; Perhaps, the temporary transient core network side of preserving is set up failed radio bearer corresponding to part carrying, after a time, again initiate handover request to MME, so that the again corresponding carrying of request target S-GW foundation of MME, if or can't successfully set up, target eNode B is deleted corresponding carrying again; Perhaps, again attempt after a time initiating handover request to MME, in the situation of the repeatedly loading establishing process failure of request, the corresponding carrying of target eNode B deletion.
Step 308, target eNode B inform that source eNodeB discharges Radio Resource.
Step 309a, after timer II is overtime, MME sends the deleting load-bearing request to source S-GW, the resource that namely is initiated to source S-GW discharges.
Step 309b, source S-GW return resource and discharge result's response to MME.
Of particular note, the time of implementation of step 309a, 309b is decided by the time of timer II, with the inevitable precedence relationship of step 305～308 nothing on execution sequence.
In the present embodiment, in the situation that set up unsuccessfully because inadequate resource on the target S-GW causes the core net carrying, the tabulation of the carrying that is successfully established by the core network side that sends according to MME or set up the tabulation of failed carrying, the radio bearer that core network side is set up failed carrying correspondence such as deletes at the processing, has effectively saved interface-free resources.
Figure 4 shows that the method flow of the maintaining radio bearer that the embodiment of the invention 2 provides, be applicable to set up failed situation because the upper inadequate resource of target S-GW causes the core network side carrying, specifically comprise:
Step 401, UE switch to the control area process of target eNode B from eNode B control area, source, after switch preparing and handover execution stage finish, be after the Radio Resource of air interface has switched to target eNode B from source eNodeB, target eNode B informs that by path handover request message MME:UE has changed the residential quarter, and carries air interface and set up failed Radio Resource tabulation in this message.MME is that UE reselects the S-GW into its service, i.e. target S-GW.
Step 402, the path handover request of MME by receiving are initiated carrying to target S-GW and are set up request.
Step 403, target S-GW send to MME and set up the carrying response.
MME receives after this message, starts timer, is used for the release moment of the resource of monitoring core network side.
Step 404, MME are to target eNode B return path handoff response.
Step 405, MME set up response according to the carrying that step 403 receives, and send the state notification message of wall scroll carrying to target eNode B, and this message can be that failure is set up in message or the wall scroll carrying that the wall scroll carrying is successfully established; Perhaps set up failed carrying for core network side, initiate the with it wall scroll deleting load-bearing request of the carrying of corresponding wireless network of deletion to target eNode B, namely receive a failed response of core network bearer carrying foundation, just initiate the wall scroll deleting load-bearing request of a wireless network side.This step can occur in before the step 404.
Step 406, target eNode B are processed radio bearer according to state notification message or the request of wall scroll deleting load-bearing that the wall scroll that receives the MME transmission carries.
Target eNode B comprises the processing that radio bearer carries out: delete immediately in core network side and set up failed radio bearer corresponding to part carrying; Perhaps, the temporary transient core network side of preserving is set up failed radio bearer corresponding to part carrying, after a time, again initiate handover request to MME, so that the again corresponding carrying of request target S-GW foundation of MME, if or can't successfully set up, target eNode B is deleted corresponding carrying again; Perhaps, again attempt after a time initiating handover request to MME, in the situation of the repeatedly loading establishing process failure of request, the corresponding carrying of target eNode B deletion.
Step 407, target eNode B inform that source eNodeB discharges Radio Resource after receiving the path handoff response.
Step 408a, after the timer expired that step 403 starts, MME sends the deleting load-bearing request to source S-GW, the resource that namely is initiated to source S-GW discharges.
Step 408b, source S-GW discharge result's response to MME to returning resource.
In the present embodiment, in the situation that set up unsuccessfully because inadequate resource on the target S-GW causes the core net carrying, state notification message or the request of wall scroll deleting load-bearing by the wall scroll carrying that sends according to MME, the radio bearer that core network side is set up failed carrying correspondence such as deletes at the processing, has effectively saved interface-free resources.
Figure 5 shows that the method flow of the maintaining radio bearer that the embodiment of the invention 3 provides, be applicable to because of some signatory restriction specifically comprise so that failed situation is set up in the core network side carrying of target eNode B request:
Step 501, UE switch to the control area process of target eNode B from eNode B control area, source, after switch preparing and handover execution stage finish, be after the Radio Resource of air interface has switched to target eNode B from source eNodeB, target eNode B informs that by path handover request message MME:UE has changed the residential quarter, and carries air interface and set up failed Radio Resource tabulation in this message.MME is that UE reselects the S-GW into its service, i.e. target S-GW.
Step 502, MME are found because some signatory restriction such as the QoS restriction, so that some carrying that UE initiates can't successfully be set up, is no longer initiated carrying to target S-GW and set up request according to the inspection of user contracting data.The situation that MME sets up according to carrying, the tabulation of the carrying that the tabulation of a carrying that is successfully established of generation or foundation are failed.
MME starts a timer, is used for the release moment of the resource of monitoring core network side.
Step 503, MME send carrying by the path handoff response to target eNode B and set up state information or deleting bearing request.
MME also can send carrying to target eNode B by independent a piece of news and set up state information, perhaps deleting bearing request.
Above-mentioned carrying is set up state information and is comprised: the tabulation of the carrying that is successfully established, the tabulation of the carrying that perhaps foundation is failed.
Above-mentioned deleting bearing request comprises: delete the request that all set up radio bearer corresponding to failed core network side carrying.
Step 504, target eNode B are set up state information or deleting bearing request according to the carrying that receives the MME transmission, and radio bearer is processed.
Target eNode B comprises the processing that radio bearer carries out: delete immediately in core network side and set up failed radio bearer corresponding to part carrying; Perhaps, temporarily preserve core network side and set up failed radio bearer corresponding to part carrying, after a time, again initiate handover request to MME, if or can't successfully set up, target eNode B is deleted corresponding radio bearer again; Perhaps, in the situation of the repeatedly loading establishing process failure of request, target eNode B is deleted corresponding radio bearer again.
Step 505, target eNode B inform that source eNodeB discharges Radio Resource after receiving the path handoff response.
Step 506a, after the timer expired that step 502 starts, MME sends the deleting load-bearing request to source S-GW, the resource that namely is initiated to source S-GW discharges.
Step 506b, source S-GW discharge result's response to MME to returning resource.
In the present embodiment, limiting because some is signatory so that the core net carrying of target eNode B request is set up in the failed situation, state information is set up in carrying by the core network side that provides according to MME, the radio bearer that core network side is set up failed carrying correspondence such as deletes at the processing, has effectively saved interface-free resources.
Figure 6 shows that the method flow of the maintaining radio bearer that the embodiment of the invention 4 provides, be applicable to because of some signatory restriction specifically comprise so that failed situation is set up in the core network side carrying of target eNode B request:
Step 601, UE switch to the control area process of target eNode B from eNode B control area, source, after switch preparing and handover execution stage finish, be after the Radio Resource of air interface has switched to target eNode B from source eNodeB, target eNode B informs that by path handover request message MME:UE has changed the residential quarter, and carries air interface and set up failed Radio Resource tabulation in this message.MME is that UE reselects the S-GW into its service, i.e. target S-GW.
Step 602, MME are found because some signatory restriction such as the QoS restriction, so that some carrying that UE initiates can't successfully be set up, is no longer initiated carrying to target S-GW and set up request according to the inspection of subscription data.The situation that MME sets up according to carrying, the tabulation of the carrying that the tabulation of a carrying that is successfully established of generation or foundation are failed.MME starts a timer, is used for the release moment of the resource of monitoring core network side.
Step 603, MME are to target eNode B return path handoff response.
Step 604, MME send the state notification message of wall scroll carrying to target eNode B, this message can be that failure is set up in message or the wall scroll carrying that the wall scroll carrying is successfully established; Perhaps set up failed carrying for core network side, initiate the with it wall scroll deleting load-bearing request of the carrying of corresponding wireless network of deletion to target eNode B, namely receive the failed response of carrying foundation of a core network side, just initiate the wall scroll deleting load-bearing request of a wireless network side.This step can occur in before the step 604.
Step 605, target eNode B are processed radio bearer according to state notification message or the request of wall scroll deleting load-bearing that the wall scroll that receives the MME transmission carries.
Target eNode B comprises the processing that radio bearer carries out: delete immediately in core network side and set up failed radio bearer corresponding to part carrying; Perhaps, temporarily preserve core network side and set up failed radio bearer corresponding to part carrying, after a time, again initiate handover request to MME, if or can't successfully set up, target eNode B is deleted corresponding radio bearer again; Perhaps, in the situation of the repeatedly loading establishing process failure of request, target eNode B is deleted corresponding radio bearer again.
Step 607a, after the timer expired that step 602 starts, MME sends the deleting load-bearing request to source S-GW, the resource that namely is initiated to source S-GW discharges.
Step 607b, source S-GW discharge result's response to MME to returning resource.
In the present embodiment, limiting because some is signatory so that the core net carrying of target eNode B request is set up in the failed situation, state notification message or the request of wall scroll deleting load-bearing by the wall scroll carrying that sends according to MME, the radio bearer that core network side is set up failed carrying correspondence such as deletes at the processing, has effectively saved interface-free resources.
One of ordinary skill in the art will appreciate that, all or part of step in the various embodiments described above can realize by the relevant hardware of program command, described program can be stored in the computer read/write memory medium, and described storage medium can be ROM/RAM, magnetic disc, CD etc.
Although will also be appreciated that in the above-mentioned explanation, for ease of understanding, the step of method has been adopted the succession description, should be pointed out that for the order of above-mentioned steps and do not do strict restriction.
Figure 7 shows that a kind of device that the embodiment of the invention 5 provides, specifically comprise: information acquisition unit 701 and deleting load-bearing unit 702.Wherein information acquisition unit 701 is set up state information for the carrying of obtaining core network side; Deleting load-bearing unit 702 is used for setting up state information according to the carrying that information acquisition unit 701 is obtained, and the deletion core network side is set up the radio bearer of failed carrying correspondence.
Optionally, further comprise carrying and set up retry unit 703, state information is set up in carrying for the core network side that provides according to information acquisition unit 701, the temporary transient core network side of preserving is set up failed radio bearer corresponding to part carrying, after trial foundation is carried unsuccessfully again or repeatedly, reinform the radio bearer that 702 deletions above-mentioned core network side in deleting load-bearing unit is set up failed carrying correspondence.
Information acquisition unit 701 can be positioned at core network side, obtains the mode that carrying sets up state information and comprises: obtain carrying and set up state information according to setting up the carrying response; Perhaps, according to the user contracting data inspection, judge that whether above-mentioned core network side carrying can set up, and sets up state information thereby obtain carrying.
The below introduces the mobile communcations system embodiment that the embodiment of the invention relates to, this system can realize such as the step described in the above-mentioned embodiment of the method, be understandable that, this system in the embodiment of the invention can also comprise other numerous entities of realizing communication function, belong to normalized technology in the communications field for the technology that may disclose in other prior art, repeat no more details in the present embodiment; But in order to introduce the implementation in the embodiment of the invention, only pointed out major part in this system here.See also Fig. 8, this communication system 80 comprises wireless network side 801 and the core network side 802 that can communicate with it, wherein:
Wireless network side 801 is used for initiating network switching process, and sets up state information according to deleting load-bearing request or carrying that the core network side that receives sends, and the deletion core network side is set up the radio bearer of failed carrying correspondence;
Core network side 802, be used for after above-mentioned wireless network side is initiated handoff procedure, state information is set up in the carrying of obtaining in the core network handoff procedure, and sets up state information according to this carrying and set up state information to above-mentioned wireless network side transmission deleting load-bearing request or carrying.
Wireless network side 801 further comprises: request switch unit 8011, information receiving unit 8012 and carrying processing unit 8013;
Core network side 802 further comprises: information acquisition unit 8021, notification unit 8022.
Wherein, request switch unit 8011 is used for initiating network switching process, and the request core network carries out network and switches;
Information acquisition unit 8021 is used for obtaining the state information of setting up of carrying in the core network handoff procedure after request switch unit 8011 is initiated network switching process;
State information is set up in the core network side carrying that notification unit 8022 is used for obtaining according to information acquisition unit 8021, sets up state information to information receiving unit 8012 transmission deleting load-bearing requests or the carrying of wireless network side 801;
This deleting load-bearing request specifically comprises: the request that the deletion core network side is set up the radio bearer of failed carrying correspondence;
The information that carrying processing unit 8013 is used for according to information receiving unit 8012 receptions, the deletion core network side is set up the radio bearer of failed carrying correspondence.
Be understandable that, structure shown in the accompanying drawing only is schematic, the presentation logic structure, the wherein said unit that shows as separating component may or may not be physically to separate, the parts that show as the unit may be or may not be physical location, namely can be positioned at a place or are distributed on several network element.
Accompanying drawing and associated description are not for limiting protection scope of the present invention just for principle of the present invention is described.For example, the message name in the various embodiments of the present invention can change to some extent according to the difference of network, and some message also can be omitted.Therefore, all any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Although by with reference to some preferred embodiment of the present invention, the present invention is illustrated and describes, those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (11)
1. the method for a maintaining radio bearer is characterized in that, comprising:
After the switching preparation of wireless network node and handover execution stage were finished, target radio network node was initiated the core network handover request to core network node, so that described core net node is set up carrying;
State information or deleting bearing request are set up in the core network side carrying that receives described core network node transmission;
The deletion core network side is set up the radio bearer of failed carrying correspondence.
2. described method according to claim 1 is characterized in that,
State information is set up in described carrying or the deleting bearing request is that described core network node generates according to the foundation carrying response that receives; Perhaps
State information is set up in described carrying or the deleting bearing request is that described core network node generates according to the subscription data check result.
3. described method according to claim 1 is characterized in that,
The radio bearer that described deletion core network side is set up failed carrying correspondence specifically comprises:
Core network side being set up the radio bearer of failed carrying correspondence deletes immediately;
Perhaps, temporarily preserve the radio bearer that core network side is set up failed carrying correspondence, after trial foundation is carried unsuccessfully again or repeatedly, delete again the radio bearer that described core network side is set up failed carrying correspondence.
4. according to claim 1,2 or 3 described methods, it is characterized in that, the carrying of described core network side is set up state information and is comprised:
Carrying tabulation, perhaps wall scroll beared information.
5. described method according to claim 4 is characterized in that,
Described carrying tabulation comprises:
The tabulation of the carrying that core network side is successfully established;
Perhaps, core network side is set up the tabulation of failed carrying.
6. described method according to claim 4 is characterized in that,
Described wall scroll beared information comprises:
The wall scroll beared information that core network side is successfully established;
Perhaps, core network side is set up failed wall scroll beared information.
7. described method according to claim 4 is characterized in that, described carrying tabulation is that described core network node generates according to the foundation carrying response that receives in the scheduled duration.
8. a wireless network side device is characterized in that, specifically comprises:
The request switch unit is used for initiating network switching process, and the request core network carries out network and switches;
Information acquisition unit: be used for after described switch unit is initiated network switching process, obtaining the carrying of core network side and setting up state information;
The deleting load-bearing unit: be used for setting up state information according to the carrying that described information acquisition unit is obtained, the deletion core network side is set up the radio bearer of failed carrying correspondence.
9. described device according to claim 8 is characterized in that, further comprises:
The retry unit is set up in carrying, sets up state information for the carrying of the core network side that provides according to information acquisition unit, temporarily preserves the radio bearer that core network side is set up failed carrying correspondence; After trial foundation is carried unsuccessfully again or repeatedly, reinform the radio bearer that the described core network side of deleting load-bearing element deletion is set up failed carrying correspondence.
10. a communication system is characterized in that, specifically comprises: wireless network side and the core network side that can communicate with it, wherein:
Wireless network side is used for initiating network switching process, and sets up state information according to deleting load-bearing request or carrying that the core network side that receives sends, and the deletion core network side is set up the radio bearer of failed carrying correspondence;
Core network side is used for obtaining in the carrying of core network handoff procedure setting up state information, and sets up state information according to described carrying and set up state information to described wireless network side transmission deleting load-bearing request or carrying.
11. described communication system according to claim 10 is characterized in that:
Described wireless network side comprises: request switch unit, information receiving unit and carrying processing unit;
Described core network side comprises: information acquisition unit, notification unit;
The described request switch unit is used for initiating network switching process, and the request core network carries out network and switches;
Described information acquisition unit is used for obtaining the state information of setting up of carrying in the core network handoff procedure after described switch unit is initiated network switching process;
Described notification unit, state information is set up in the core network side carrying that is used for obtaining according to described information acquisition unit, sets up state information to information receiving unit transmission deleting load-bearing request or the carrying of described wireless network side;
Described information receiving unit is set up state information for the deleting load-bearing request or the carrying that receive described notification unit transmission;
Described carrying processing unit is used for the information according to described information receiving unit reception, and the deletion core network side is set up the radio bearer of failed carrying correspondence.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101424636A CN101651853B (en) | 2008-08-14 | 2008-08-14 | Method, device and system for maintaining radio bearer |
| PCT/CN2009/073241 WO2010017777A1 (en) | 2008-08-14 | 2009-08-13 | Method, device and system for maintaining radio bearer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101424636A CN101651853B (en) | 2008-08-14 | 2008-08-14 | Method, device and system for maintaining radio bearer |
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| Publication Number | Publication Date |
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| CN101651853A CN101651853A (en) | 2010-02-17 |
| CN101651853B true CN101651853B (en) | 2013-02-27 |
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| CN2008101424636A Active CN101651853B (en) | 2008-08-14 | 2008-08-14 | Method, device and system for maintaining radio bearer |
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| CN (1) | CN101651853B (en) |
| WO (1) | WO2010017777A1 (en) |
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| CN103533585B (en) * | 2012-07-04 | 2019-04-23 | 中兴通讯股份有限公司 | The method for obligating and system of resource bearing |
| CN103222331B (en) * | 2012-12-05 | 2016-09-28 | 华为技术有限公司 | Bearing processing method and device, system |
| CN110868765B (en) * | 2018-08-28 | 2021-06-22 | 中国移动通信集团重庆有限公司 | Method, device and equipment for processing special voice bearer and storage medium |
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|---|---|---|---|---|
| EP1622401A1 (en) * | 2000-10-09 | 2006-02-01 | Nokia Corporation | Connection release in a two-layer communication network |
| CN1856125A (en) * | 2005-04-27 | 2006-11-01 | 华为技术有限公司 | Method for obtaining information of radio access carrier setting-up status |
| CN1980165A (en) * | 2005-12-06 | 2007-06-13 | 华为技术有限公司 | Method for realizing set-up of bearing in communication network |
| CN101001157A (en) * | 2006-06-22 | 2007-07-18 | 华为技术有限公司 | Communication charge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7701890B2 (en) * | 2004-02-04 | 2010-04-20 | Lg Electronics Inc. | Apparatus and method of releasing a point-to-multipoint radio bearer |
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2008
- 2008-08-14 CN CN2008101424636A patent/CN101651853B/en active Active
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- 2009-08-13 WO PCT/CN2009/073241 patent/WO2010017777A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1622401A1 (en) * | 2000-10-09 | 2006-02-01 | Nokia Corporation | Connection release in a two-layer communication network |
| CN1856125A (en) * | 2005-04-27 | 2006-11-01 | 华为技术有限公司 | Method for obtaining information of radio access carrier setting-up status |
| CN1980165A (en) * | 2005-12-06 | 2007-06-13 | 华为技术有限公司 | Method for realizing set-up of bearing in communication network |
| CN101001157A (en) * | 2006-06-22 | 2007-07-18 | 华为技术有限公司 | Communication charge |
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| CN101651853A (en) | 2010-02-17 |
| WO2010017777A1 (en) | 2010-02-18 |
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