CN102123469B - Processing method and user equipment (UE) for circuit switched (CS) fallback service in evolved packet network - Google Patents
Processing method and user equipment (UE) for circuit switched (CS) fallback service in evolved packet network Download PDFInfo
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Abstract
The invention discloses a processing method for circuit switched (CS) fallback service in an evolved packet network, comprising the following steps that: a mobile management entity (MME) receives message terminated (MT) service indication sent by a mobile switch center (MSC); the MME sends the MT service indication to user equipment (UE); and the MME receives the MT service response returned by the UE, and performs the subsequent operation according to the MT service response. Correspondingly, the invention also provides a processing system and related equipment for the CS fallback service in the evolved packet network. According to the method provided by the embodiment of the invention, when an MT service arrives, the MME does not trigger an evolved node base station (eNodeB) to switch the packet switched (PS) service of the UE, but notifies the UE of the arrival of the MT service, and then performs the subsequent operation according to the MT service response returned by the UE, thereby avoiding the waste of network resources caused by unnecessary PS service switch without affecting the development of the current PS service of the UE.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of processing method, system and relevant device of circuit field in grouping network
Background technology
In order to tackle the challenge of wireless broad band technology, (The 3 to keep third generation partner plan
rdgeneration Partnership Project, 3GPP) leading superiority of network, 3GPP will have formulated Long Term Evolution plan (LTE, Long Term Evolution) in the end of the year 2004.The mobile communications network framework of having given a definition new in the guidance of this evolution plan, this framework has only retained packet switching (Packet Switched, PS) territory, therefore, this framework is called as evolved packet system (Evolved Packet System, EPS).
But a lot of business of operator all operate in GPRS (General Packet Radio Service, GPRS)/universal mobile telecommunications system (Universal Mobile Telecommunications System, UMTS) in circuit switching (Circuit Switch) territory, therefore, for the user who makes to be in EPS network can carry out CS business, prior art has proposed the processing method of CS business in a kind of EPS network, and the method also can be described as CS fallback processing method.
Refer to Fig. 1, for existing CS fallback configuration diagram, wherein, mobile management entity in EPS network (Mobility Management Entity, MME) 101 by class Gs (Gs like) interface, be connected in the mobile switching centre (Mobile Switch Center, MSC) 102 in existing CS domain core net.
Under the framework shown in Fig. 1, when receiving, MSC102 exhales (MT an end, Mobile Terminated) during business, this MSC102 sends beep-page message by Gs like interface to MME101, MME101 passes through EPS network to subscriber equipment (User Equipment, UE) 103 carry out paging, when evolution base station (eNodeB) 104 is received after this beep-page message, eNodeB first carries out PS business switching flow, be that eNodeB104 is switched to the PS territory in GPRS/UMTS network by the current ongoing PS business of UE103, then, eNodeB104 is switched to 2G/3G network by UE103, be that UE103 selects the community of a 2G/3G to be stationed, and, at UE103, to the MSC102 in GPRS/UMTS network, return after page response, complete MT Business Processing.
In the research and practice process to prior art, inventor finds that prior art exists following problem:
In existing CSfallback method, eNodeB directly carries out PS business switching flow after receiving the beep-page message of MME, and this can produce following problem:
1, cause network resources waste.According to prior art; when MT business arrives; eNodeB is by the PS territory that is switched to 2G/3G network of PS business; but actual conditions often can exist user to be unwilling to answer, maybe cannot answer and refuse the situation of this MT business; for this MT business of normally not carrying out; eNodeB can think MT service ending, and then, eNodeB switches back EPS network by the PS business of this UE again.Because prior art has been carried out twice PS business switching for the MT business of normally not carrying out, thereby cause the waste of Internet resources.
2, affect carrying out of the current PS business of UE.Such as, UE is just carrying out a PS business (as video conference) in EPS network, now, UE receives the MT business (as a private telephone) in a CS territory, and according to prior art, eNodeB can be switched to this video conference the PS territory of 2G/3G, because some the PS business in EPS network can not be supported in the PS territory in 2G/3G, therefore, may cause PS service fail, affect carrying out of the current PS business of UE.
Summary of the invention
The technical problem that the embodiment of the present invention will solve is to provide a kind of processing method and subscriber equipment of circuit field in grouping network, can avoid network resources waste, and, do not affect carrying out of the current PS business of UE.
For solving the problems of the technologies described above, embodiment provided by the present invention is achieved through the following technical solutions:
The embodiment of the present invention provides a kind of processing method of circuit field in grouping network, comprising:
When circuit switching (CS) switch domain terminating call MT business arrives, user equipment (UE) receives the MT service indication message from mobile management entity MME;
Described UE returns to MT service response message to described MME, and described MT response message carries user's selection result, makes described MME carry out CS fallback business or finish CS fallback business according to described user's selection result.The embodiment of the present invention also provides a kind of subscriber equipment, comprising:
Receiving element, when circuit switching (CS) switch domain terminating call MT business arrives, for receiving the MT service indication message from mobile management entity MME;
Transmitting element, for returning to MT service response message to described MME, described MT response message carries user's selection result, makes described MME carry out CS fallback business or finish CS fallback business according to described user's selection result.Technique scheme has following beneficial effect:
In embodiments of the present invention, when the MT in CS territory business arrives, MME first sends MT business indication, and notice UE has MT business to arrive, and then, after receiving the callee function response that UE returns, according to described callee function response, carries out subsequent operation.As can be seen here, in the method that the embodiment of the present invention provides, when MT business arrives, MME does not trigger eNodeB the PS business of described UE is switched, but notice UE has MT business to arrive, then the callee function returning according to UE response carries out subsequent operation, thereby avoided switching because of meaningless PS business the network resources waste causing, and, do not affect carrying out of the current PS business of UE.
Accompanying drawing explanation
Figure 1 shows that the CS fallback configuration diagram that prior art provides;
Figure 2 shows that the CS fallback method flow diagram that the embodiment of the present invention provides;
Figure 3 shows that the CS fallback method signaling process figure that first embodiment of the invention provides;
The signaling process figure that Figure 4 shows that the activation UE that first embodiment of the invention provides and notify UE to have MT business to arrive;
Figure 5 shows that the CS fallback method signaling process figure that second embodiment of the invention provides;
The signaling process figure that Figure 6 shows that the activation UE that second embodiment of the invention provides and notify UE to have MT business to arrive;
Figure 7 shows that the MT service restoration method signaling process figure that the present invention embodiment provides;
Figure 8 shows that the embodiment of the present invention provides CS fallback system to form schematic diagram.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, the technical scheme embodiment of the present invention being provided referring to accompanying drawing is elaborated.
When the MT in CS territory business arrives, refer to Fig. 2, the CS fallback processing method that the embodiment of the present invention provides comprises:
Step 201:MME receives the MT business indication that MSC sends;
Step 202:MME sends to UE by described MT business indication;
Wherein, described MME business indication is used for notifying the current MT of the having business of UE to arrive;
Step 203:MME receives the MT service response that UE returns;
Step 204:MME, according to described MT service response, carries out subsequent operation.
A kind of CS fallback processing method providing for the embodiment of the present invention above, in embodiments of the present invention, when the MT in CS territory business arrives, MME first sends the indication of MT business, notice UE has MT business to arrive, then, after receiving the MT service response that UE returns, according to described MT service response, carry out subsequent operation.As can be seen here, in the method that the embodiment of the present invention provides, when MT business arrives, MME does not trigger eNodeB the PS business of described UE is switched, but notice UE has MT business to arrive, then the MT service response of returning according to UE carries out subsequent operation, thereby avoided switching because of meaningless PS business the network resources waste causing, and, do not affect carrying out of the current PS business of UE.
The embodiment of the present invention is when specific implementation, in MT service response, can carry user's selection result, MME is according to described MT service response, if carry out subsequent operation, user's selection result is for refusing described MT business, and described MME returns to MT service denial message to described MSC.
If user's selection result is for accepting described MT business, MME sends PS business handover request to eNodeB, eNodeB receives after described handover request, carry out PS business switching flow, and UE is switched to 2G/3G network, UE is switched to after 2G/3G network, to MSC, sends the first page-response message, and completes MT Business Processing.
In other embodiments of the invention, if user's selection result is for accepting described MT business, MME also can be according to the carrier policy of network configuration, do not switch the current PS business of UE, therefore, MME does not need to send PS business handover request to eNodeB, and follow-up eNodeB does not need to carry out PS switching flow yet.Now, UE after sending the response message of accepting described MT business, or, receive MME sends UE is accepted after the response of described MT service message, directly forward 2G/3G network to and complete MT Business Processing.
More than introduce the CS fallback processing method that the embodiment of the present invention provides, below introduced the concrete signaling implementation procedure of said method.
Refer to Fig. 3, the concrete signaling implementation procedure of the CS fallback processing method providing for first embodiment of the invention, comprising:
Step 301:MSC receives the indication of MT business, and sends the first beep-page message to MME;
When specific implementation, described the first beep-page message can carry the international mobile subscriber identity (International Mobile SubscriberIdentity, IMSI) of UE.
Step 302:MME after receiving described the first beep-page message, inquiry UE state, if UE in idle condition, MME sends the second beep-page message to eNodeB, if UE, in state of activation, enters step 305;
When specific implementation, described the first beep-page message can comprise the MT business indication that MSC sends to MME, therefore, described the first beep-page message also can called after MT business request information etc. similar title.And if the first beep-page message has comprised described MT business indication, MME, after receiving the first beep-page message, need to resolve the first beep-page message in step 302, and in the situation that parsing obtains described MT business indication, carry out the step of inquiry UE state.
In addition, also can not comprise the indication of MT business in described the first beep-page message, now, need to be set to as long as MME receives the first beep-page message by MME, MME carries out the step of inquiry UE state.In this case, the first beep-page message is equivalent to the indication of MT business.
Step 303:eNodeB broadcasts described the second beep-page message in the community of its administration;
Step 304:UE receives after the second beep-page message, to MME return service request message;
Wherein, by eNodeB, to send the second beep-page message be for the UE in idle condition is activated to MME.
Step 305:MME, after receiving described service request information, sends MT service indication message to UE, and described MT service indication message is used for notifying the current MT of the having business of UE to arrive;
Wherein, MT service indication message is a non-access layer information described in Fig. 3, and therefore, described MT service indication message directly sends to UE by MME.In other embodiments of the invention, described MT service indication message can be also a non-access layer information (as, beep-page message), in this non-access layer information, can carry the indication of MT business, by MME, first send to eNodeB, by eNodeB, send to UE again, do not affect the realization of the embodiment of the present invention.
Step 306:UE receives after described MT service indication message, points out user to have MT business to arrive;
When specific implementation, UE sets in advance according to user, adopts corresponding prompting mode, prompting user has MT business to arrive, such as, UE can adopt the mode of jingle bell or vibrations or jingle bell vibrations, also can adopt the mode of text prompt, prompting user has MT business to arrive.
After user selects described MT business, UE execution step 307.
Step 307:UE returns to MT service response to MME;
Wherein, in described MT service response, can carry user's selection result (accepting or refusal), also can not carry selection result, be that user's selection result is for empty, now, MME can judge according to default setting user's selection result, and a kind of common situation is: if described MT service response is not carried selection result, MME can accept described MT business by default user.
Step 308:MME obtains the selection result that MT service response is carried, if user's selection result is the described MT business of refusal, MME sends the first paging refuse information (above already described MT service denial message) to MSC, if user's selection result is to accept described MT business, enter step 309;
Wherein, if UE refuses this MT business, illustrate that this MT business need not carry out, MME returns to the first paging refuse information to described MSC, finishes this MT business.As can be seen here, in the method that the embodiment of the present invention provides, if UE does not carry out MT business, eNodeB does not switch the PS business of this UE, thereby avoided switching because of meaningless PS business the network resources waste causing, and, carrying out of the current PS business of UE do not affected.
Wherein, in described the first paging refuse information, can carry the related causes value of the described MT business of refusal, also can not carry related causes value, not affect the realization of the embodiment of the present invention.
In addition, in reality, often exist user not see for a long time or feel the situation that UE points out, therefore, in order to improve the operating efficiency of MME, if can pre-define MME in preset time T, do not receive the MT service response message that UE sends, MME can think that user has refused this time MT business, and MME sends the first paging refuse information to MSC, refuse this MT business.
Step 309:MME sends PS business handover request message to eNodeB;
Step 310:eNodeB receives after described PS business handover request message, initiates PS business switching flow, and UE is switched to 2G/3G network;
Step 311:UE is switched to after 2G/3G network, to MSC, sends the first page-response message, and completes described MT Business Processing.
Wherein, in other embodiments of the invention, MME is after receiving described the first beep-page message, also can not inquire about UE state, now, then MME acquiescence UE is all in idle condition,, MME is by send the second beep-page message and MT service indication message to UE, and the UE of notice in state of activation or idle condition has MT business to arrive.
The signaling implementation procedure providing for first embodiment of the invention above, after MME receives the first beep-page message that in step 301, MSC sends, if MME inquire UE in EPS network in idle condition, except the step 302～step 305 that can adopt first embodiment of the invention to provide, notifying the UE in idle condition or state of activation has the arrival of MT business, can also adopt the UE of the signaling process notice shown in Fig. 4 in idle condition or state of activation to have MT business to arrive, described signaling process comprises:
Step 401:MME, after receiving the first beep-page message that MSC sends, sends the 3rd beep-page message to eNodeB, and described the 3rd beep-page message at least carries the indication of MT business;
When specific implementation, the indication of described MT business can be a paging cause value in the 3rd beep-page message, or, can be also in the 3rd beep-page message one independently cell, do not affect the realization of the embodiment of the present invention.
Step 402:eNodeB broadcasts described the 3rd beep-page message in the community of its administration;
Step 403:UE receives after described the 3rd beep-page message, points out user to have MT business to arrive.
In signaling process shown in Fig. 4 and first embodiment of the invention, the difference of step 302～step 305 is:
First embodiment of the invention MME has MT business to arrive by sending two message informing UE, and in the signaling process shown in Fig. 4, MME has MT business to arrive by sending a message informing UE.Concrete:
In first embodiment of the invention, MME notifies UE to have MT business to arrive by sending the second beep-page message and MT service indication message, adopts the benefit of described signaling process to be not affect the paging mechanism in existing EPS network.
In signaling process shown in Fig. 4, MME is by sending the 3rd beep-page message of a MT business indication of carrying to UE, and notice UE has MT business to arrive, and adopts the benefit of described signaling process to be to improve the treatment effeciency of MME, and has reduced call delay.
In order to make UE can understand MT Business Initiator (calling party's) information, facilitate user to carry out the selection of MT business, upper, address in the method that subsequent embodiment provides, the first beep-page message that MSC sends to MME can also further carry MT service related information.
Described MT service related information comprises: mobile subscriber's international number of calling party (Mobile Station ISDN, MSIDN), or, the indication of related service type, as short message service (Short Message Service, SMS), location service (Location Service, and Unstructured Supplementary Service Data (Unstructured Supplementary Service Data, USSD) etc. LCS).In addition, while receiving MT service response for the ease of MSC, MSC determines the MT business that this response message is corresponding, therefore, described MT traffic aided message can also comprise: MT service identification, described MT service identification can be distributed or be utilized existing sign (as called out numbering etc.) by MSC.
Because sending to the first beep-page message of MME, MSC carried MT service related information, in the beep-page message that MME sends to UE or MT service indication message, also can further carry described MT service related information, now, UE sets in advance according to user, according to the MT service related information of receiving, prompting user has MT business to arrive, such as, UE can be shown to user by No. MSISDN of calling party, also type of service can be prompted to user.
In already described above method, user's selection result has two kinds, accept or refusal, but user in some cases, wish to wait for a period of time and process again this MT business, therefore require the temporary transient described MT business that keeps, so second embodiment of the invention also provides a kind of CS fallback processing method, described method further comprises on the basis of method shown in Fig. 2:
If user's selection result is for keeping described MT business, MME sends MT business maintenance message to MSC;
And, for described MT business can also be recovered, in described method, can further include:
If UE request recovers the MT business having kept, described MME notice MSC recovers described MT business; Described MSC judges whether to recover described MT business, if can, by MME, notify UE to forward 2G/3G network to, UE completes described MT business, or MME, according to the carrier policy of configuration, triggers after eNodeB is switched to 2G/3G network by UE and completes described MT business, if MSC can not recover described MT business, recover flow process and finish.
Refer to Fig. 5, the concrete signaling process figure of the CS fallback processing method providing for second embodiment of the invention, this signaling process allows user to select to keep MT business, and described flow process comprises:
Step 501:MSC receives after MT service request, to MME, sends the first beep-page message;
Long for fear of the MT business retention time, occupying system resources can further include in described method: preset calling keeps the step of timer duration, and described the first beep-page message further carries described calling and keeps timer duration;
Step 502:MME inquires about the state of the UE that described IMSI is corresponding, if UE in idle condition, MME sends the 4th beep-page message to eNodeB, if UE, in state of activation, enters step 505;
Step 503:eNodeB broadcasts described the 4th beep-page message in the community of its administration;
Step 504:UE receives after described the 4th beep-page message, to MME return service request message;
Step 505:MME sends MT service indication message to UE, and notice UE has MT business to arrive;
Wherein, in described ME service indication message, can carry described MT service related information and/or call out maintenance timer duration, also can not carry, not affect the realization of the embodiment of the present invention.
Step 506:UE receives after described MT service indication message, points out user to have MT business to arrive;
When specific implementation, if described MT service indication message has carried described MT service related information, UE sets in advance according to user, according to the MT service related information of receiving, prompting user has MT business to arrive, such as, UE can explicitly give user by No. MSISDN of calling party, also type of service can be prompted to user.Concrete prompting mode can adopt the mode of jingle bell or vibrations or jingle bell vibrations, also can adopt the mode of text prompt etc.
After user selects described MT business, UE execution step 507.
Step 507:UE sends MT service response to MME;
Wherein, in described MT service response, can carry user's selection result (accept, refuse or keep), also can not carry selection result, now, MME can judge according to default setting user's selection result, common situation is: if described MT service response is not carried a selection result, MME can accept described business by default user.
If user has selected " maintenance " this business, UE keeps timer duration according to described calling, starts corresponding timer.
Step 508:MME obtains the selection result of carrying in MT service response, if user's selection result is to keep described MT business, MME sends MT business maintenance message to MSC, if the result that user selects is refusal or accepts described MT business, subsequent processes provides respective handling flow process identical with first embodiment of the invention, refer to relevant portion above, repeat no more herein.
Step 509:MSC keeps timer duration according to preset calling, starts relevant timer.
Wherein, in other embodiments of the invention, MME is after receiving described the first beep-page message, also can not inquire about UE state, now, then MME acquiescence UE is all in idle condition,, MME is by sending the 4th beep-page message and MT service indication message to UE, and the UE of notice in state of activation or idle condition has MT business to arrive.
For second embodiment of the invention, provide above the concrete signaling process of CS fallback method, the process that step 502～step 505 can have MT business to arrive for the UE notifying in idle condition or state of activation.In other embodiments of the invention, can also adopt the UE of the signaling process notice shown in Fig. 6 in state of activation or idle condition to have MT business to arrive, described signaling process comprises:
Step 601:MME, after receiving the first beep-page message that MSC sends, sends the 5th beep-page message to eNodeB, and described the 5th beep-page message at least carries the indication of MT business;
Long for fear of the MT business retention time, occupying system resources, and, facilitate user to carry out the selection of MT business, in described MT business request information, can also further carry preset calling and keep timer duration and/or MT service related information.
Step 602:eNodeB broadcasts described the 5th beep-page message in the community of its administration;
Step 603:UE receives after described the 5th beep-page message, points out user to have MT business to arrive.
The CS fallback processing method providing for the embodiment of the present invention above, and specific implementation process.
The MT business keeping for user, if user selects to carry out described MT business, need to recover described MT business, when user asks to recover MT business, if UE has started timer when keeping described MT business, whether UE need to inquire about described timer over calling out regularly length of maintenance, if surpassed, recover flow process and finish, if do not surpassed, carry out and recover flow process, for already described above MT business recovery process, the embodiment of the present invention provides a kind of signaling process of the MT of recovery business, refers to Fig. 7, comprising:
Step 701: if UE is current in idle condition, UE sends service request information to MME, when UE is from idle condition transfers activated state to, execution step 702; If UE, in state of activation, directly performs step 702;
Step 702:UE sends a MT service activation request message to MME, and request recovers the MT business having kept;
Wherein, in described MT service activation request message, can carry the MT service identification need activating, so that MME determines, need the MT business that activates, under some scene (as this UE only has the business of a maintenance), also can not carry MT service identification, not affect the realization of the embodiment of the present invention.
Step 703:MME sends the 2nd MT service activation request message to MSC;
Step 704:MSC receives after described the 2nd MT service activation request message, the MT business that MSC has kept according to described MT service identification coupling, if there is this business, MSC accepts described activation request, and stop described calling maintenance timer, and distribute related resource, to MME, send the 2nd MT activation of service response message, wherein, in described the 2nd MT activation of service response message, carry the successful cause value of described operation.Otherwise MSC refuses described activation request, MSC sends the 2nd MT activation of service response message to MME, wherein, carries the cause value of described operation failure in described the 2nd MT activation of service response message.
In addition,, if the calling in MSC keeps timer expiry, MSC stops keeping this MT business, discharges the resource retaining, and stops described timer.
Certainly, for the situation of success and failure, also can adopt different response messages to send to MME, and, in response message, also can carry MT service identification, so that UE determines the MT business that needs response.
Step 705: when MME receives after the 2nd MT activation of service response message, MME can return to a MT activation of service response message to UE;
Wherein, in a described MT activation of service response message, can carry the MT service identification carrying in the 2nd MT activation of service response message, and MME also can not send a MT activation of service response message, does not affect the realization of the embodiment of the present invention;
Step 706:MME sends PS business handover request message to eNodeB;
Wherein, when specific implementation, MME also can not switch the current PS business of UE according to the carrier policy of network configuration, and therefore, MME does not need to send PS business handover request to eNodeB, and follow-up eNodeB does not need to carry out PS switching flow yet.
Step 707:eNodeB receives after described PS business handover request message, initiates PS business switching flow, and UE is switched to 2G/3G network;
Step 708:UE is switched to after 2G/3G network, to MSC, sends the first page response, completes MT Business Processing.
More than introduced the CS fallback processing method that the embodiment of the present invention provides, under CS fallback scene, for MT business such as short messages, also can consider directly to utilize the signaling of UE in EPS network that business is sent to UE, and carry out again short message service after not needing that UE is switched to 2G/3G network, such as, can in previously described the first beep-page message, further carry content of short message, then, by EPS network, described short message is sent to UE, UE completes relevant treatment after receiving short message.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method is to come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, described program, when carrying out, comprises the steps:
Mobile management entity receives the callee function indication that mobile switching centre sends;
Described mobile management entity sends to subscriber equipment by described callee function indication;
Described mobile management entity receives the callee function response that described subscriber equipment returns, and according to described callee function response, carries out subsequent operation.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
Refer to Fig. 8, the CS fallback system for the embodiment of the present invention provides, comprising: MME801, and MSC802, eNodeB803, wherein,
The embodiment of the present invention provides, and MSC802 specifically comprises: business indication transmitting element 8021;
Described business indication transmitting element 8021, for after receiving the indication of MT business, sends to MME801 by described MT business indication;
The MME801 that the embodiment of the present invention provides comprises:
Beep-page message receiving element 8011, the MT business indication sending for receiving MSC802;
Callee function notification unit 8012, for sending to UE by described MT business indication;
Response receiving element 8013, the MT service response of returning for receiving UE804;
Response processing unit 8014, for according to described MT service response, carries out subsequent operation.
When specific implementation, described MT service response is carried user's selection result, and described response processing unit concrete 8014 comprises:
The first response message processing unit, if be the described MT business of refusal for described user's selection result, returns to MT service denial message to described MSC802;
The second response processing unit, if be the described MT business of maintenance for described user's selection result, return to MT business to described MSC802 and keeps message;
The 3rd response processing unit, if for described user's selection result for accepting described MT business, or described user's selection result be sky, triggers described UE804804 and forwards 2G/3G network to.
For the MT business that makes user recover to have kept, described MME801 further comprises:
Activation request receiving element, recovers to have kept a MT service activation request message of MT business for receiving request that described UE804 sends;
Activation request transmitting element, for sending the 2nd MT service activation request message to MSC802;
Activate response receiving element, the 2nd MT activation of service response message returning for receiving described MSC802, and notify described UE804 to forward 2G/3G network to;
Described MSC802 further comprises:
Activation request receiving element, described the 2nd MT service activation request message of sending for receiving MME;
Activate response transmitting element, for receiving after described request message at activation request receiving element, return to the 2nd MT activation of service response message.。
Due to some UE in EPS network in idle condition, in order to activate these UE, MME801 further comprises:
Subscriber equipment activates unit, for activate described UE804 by eNodeB803;
Status poll unit, for inquiring about the state of UE804, if described UE804 in state of activation, triggers described MT service announcements unit 8012, activates unit if described UE804 in idle condition, triggers described subscriber equipment.
When specific implementation, described subscriber equipment activates unit can two kinds of implementations:
In the first implementation, this unit specifically comprises:
Beep-page message transmitting element, for sending the second beep-page message to eNodeB803;
Service request receiving element, for after receiving the service request information that described UE804 returns, triggers described MT service announcements unit 8012.
The second implementation kind, it is to activate and notification unit that described subscriber equipment activates unit,
Described activation and notification unit, for send the 3rd beep-page message that carries the indication of MT business to eNodeB803, this activation and notification unit had both been realized activation UE by sending the 3rd beep-page message 8 to eNodeB803, but also realized transmission MT business, indicated to UE.
Refer to Fig. 8, the embodiment of the present invention also provides a kind of UE804, comprising:
Notice receiving element 8041, the callee function indication sending for receiving MME801;
Tip element 8042, for receiving at described notice receiving element 8041 after callee function indication, prompting user has callee function to arrive;
Response transmitting element 8043, for the selection to described MT business according to user, returns to MT service response to described MME.
For the MT business that makes to have kept, can recover, above-mentioned UE can further include:
Activation request transmitting element, for send the first callee function activation request message to described mobile management entity, request recovers the MT business having kept.
Further, in above-mentioned UE, can further include: callee function processing unit, for callee function is processed.
Above the processing method of a kind of circuit field in grouping network provided by the present invention, system and relevant device are described in detail, for one of ordinary skill in the art, thought according to the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (13)
1. a processing method of circuit field in grouping network CS fallback, is characterized in that, comprising:
When circuit switching (CS) switch domain terminating call MT business arrives, user equipment (UE) receives the MT service indication message from mobile management entity MME;
Described UE returns to MT service response message to described MME, and described MT service response message is carried user's selection result, makes described MME carry out CS fallback business or finish CS fallback business according to described user's selection result; Wherein, if described user's selection result is for accepting, make described MME carry out CS fallback business according to described user's selection result, if described user's selection result is refusal, make described MME finish CS fallback business, if for keeping, making described MME send MT business to CS territory mobile switching center server MSC, described user's selection result keeps message.
2. the method for claim 1, is characterized in that, described reception comprises from the MT service indication message of MME:
When CS territory MT business arrives, receive the MT service indication message that described MME directly sends; Or,
When CS territory MT business arrives, receive that described MME sends, the beep-page message forwarding via evolution base station eNodeB.
3. the method for claim 1, is characterized in that, described method further comprises:
Described UE prompting user has MT business to arrive, and receives the selection of described user to described MT business.
4. method as claimed in claim 3, is characterized in that, described UE in the following ways one of any or combination prompting user has MT business to arrive:
The mode of jingle bell, vibrations or jingle bell vibrations or text prompt.
5. the method for claim 1, is characterized in that, in the MT service indication message from MME that described UE receives, further carries caller rs number and/or traffic type information;
Described user's selection result is based on described caller rs number and/or traffic type information.
6. the method for claim 1, is characterized in that, described MME carries out CS fallback business according to described user's selection result and comprises:
Triggering described UE forwards 2G/3G network to and completes described MT Business Processing.
7. the method for claim 1, is characterized in that, described MME finishes CS fallback business and comprises:
To described MSC, return to MT service denial message.
8. the method for claim 1, is characterized in that, described method further comprises:
Described UE sends request the activation request message that recovery has kept MT business, and described MME notifies described MSC to recover described MT business;
Described MSC judges whether to recover described MT business, if can, by described MME, notify described UE to forward 2G/3G network to.
9. a subscriber equipment, is characterized in that, described subscriber equipment, in evolution packet network, comprising:
Receiving element, when circuit switching (CS) switch domain terminating call MT business arrives, for receiving the MT service indication message from mobile management entity MME;
Transmitting element, for returning to MT service response message to described MME, described MT service response message is carried user's selection result, makes described MME carry out CS fallback business or finish CS fallback business according to described user's selection result; Wherein, if described user's selection result is for accepting, make described MME carry out CS fallback business according to described user's selection result, if described user's selection result is refusal, make described MME finish CS fallback business, if for keeping, making described MME send MT business to CS territory mobile switching center server MSC, described user's selection result keeps message.
10. subscriber equipment as claimed in claim 9, is characterized in that, the MT service indication message that described receiving element directly sends specifically for receiving described MME, or receive that described MME sends, the beep-page message forwarding via evolution base station eNodeB.
11. subscriber equipmenies as claimed in claim 9, is characterized in that, also comprise:
Processing unit, for pointing out user to have MT business to arrive, receives the selection of described user to described MT business.
12. subscriber equipmenies as claimed in claim 11, is characterized in that, in the MT service indication message from MME that described subscriber equipment receives, further carry caller rs number and/or traffic type information;
Described processing unit is further pointed out described caller rs number and/or traffic type information to user, and described user is selected based on described caller rs number and/or traffic type information.
13. subscriber equipmenies as claimed in claim 9, is characterized in that, also comprise:
Activation request transmitting element, for sending request the activation request message that recovery has kept MT business to described MME.
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| CN102300283B (en) * | 2011-09-08 | 2013-11-27 | 电信科学技术研究院 | Processing method and device for short message service (SMS) |
| CN105208579B (en) * | 2014-06-27 | 2020-01-31 | 中兴通讯股份有限公司 | Service processing method and device |
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