WO2011127652A1 - Emps在csfb机制中的处理方法、装置及系统 - Google Patents
Emps在csfb机制中的处理方法、装置及系统 Download PDFInfo
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- WO2011127652A1 WO2011127652A1 PCT/CN2010/071754 CN2010071754W WO2011127652A1 WO 2011127652 A1 WO2011127652 A1 WO 2011127652A1 CN 2010071754 W CN2010071754 W CN 2010071754W WO 2011127652 A1 WO2011127652 A1 WO 2011127652A1
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- Prior art keywords
- user equipment
- csfb
- priority
- priority service
- service information
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 72
- 238000012545 processing Methods 0.000 title claims abstract description 19
- 238000012790 confirmation Methods 0.000 claims description 24
- 238000003672 processing method Methods 0.000 claims description 3
- 102000018059 CS domains Human genes 0.000 description 41
- 108050007176 CS domains Proteins 0.000 description 41
- 238000010586 diagram Methods 0.000 description 6
- 101001039364 Homo sapiens Protein GPR15L Proteins 0.000 description 4
- 102100041028 Protein GPR15L Human genes 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 241001622623 Coeliadinae Species 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
- H04W36/00224—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
- H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/06—Registration at serving network Location Register, VLR or user mobility server
- H04W8/065—Registration at serving network Location Register, VLR or user mobility server involving selection of the user mobility server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
- H04W8/14—Mobility data transfer between corresponding nodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Definitions
- the present invention relates to the field of communications, and in particular, to a method, a device and a system for processing an eMPS (Enhanced Multimedia Priority Service) in a CSFB (circuit switched fallback circuit switching service) mechanism.
- eMPS Enhanced Multimedia Priority Service
- CSFB circuit switched fallback circuit switching service
- network resources may be congested, but in order to ensure that some people, such as government workers, firefighters, policemen, etc., can use the normal network resources to ensure their work, this part can be given
- the right of the people to use network resources preferentially, so that the part of the population can still access the network to obtain services when the network is congested, and the service that preferentially accesses the network to a specific user is called eMPS.
- EPS Evolved Pcket System, Evolved Pcket System
- CS Circuit Switched domain of the original 2G or 3G network
- MSC Mobile Switch Center
- CSFB Mobile Switch Center
- the UE When the UE (User Equipment) is ready to initiate the Mobile Originating (MO) service, the UE needs to first transfer to the 2G or 3G network, select a 2G or 3G cell to camp, and then carry out the MO service;
- the MSC entity receives a terminal (MT, Mobile Terminated) service, the MSC entity sends an MT paging message to the MME through the SGs interface between the MME and the MME (Mobility Management Entity), and the MME accesses the UE through the EPS network.
- the UE After the paging message is received, the UE needs to go to the 2G or 3G network to select a 2G or 3G cell to camp, and then complete the subsequent processing of the MT service.
- eMPS is required in the CSFB mechanism, the network side cannot know whether the UE has the priority access authority, and the network side cannot provide the eMPS service for the UE.
- An embodiment of the present invention provides a method, an apparatus, and a system for processing an eMPS in a CSFB mechanism, so that a user equipment having an eMPS priority access authority can enjoy a corresponding priority service in a CSFB mechanism.
- a method for processing eMPS in the CSFB mechanism including:
- the CSFB access service is preferentially provided for user equipments with CSFB priority service rights.
- a processing device for eMPS in a CSFB mechanism comprising:
- a receiving unit configured to receive a CSFB access request of the user equipment
- An obtaining unit configured to obtain the user equipment priority service information
- a determining unit configured to determine, after the receiving unit receives the CSFB access request, that the user equipment has a CSFB priority service right according to the priority service information of the user equipment acquired by the acquiring unit;
- the priority execution unit is configured to preferentially provide the CSFB access service for the user equipment with the CSFB priority service right determined by the determining unit.
- a processing system for eMPS in a CSFB mechanism including:
- a mobile management entity configured to receive a CSFB access request of the user equipment, and determine, according to the obtained priority service information of the user equipment, that the user equipment has a CSFB priority service right, and preferentially provide the user equipment with the CSFB priority service authority CSFB access service.
- a method for implementing eMPS in the CSFB mechanism is provided, so that a specific user with the CSFB priority access authority is granted First right, and preferentially return to the 2G or 3G network to get the CS domain voice service, which can guarantee the call experience of the specific user; in the case of limited or congested network resources, the specific user can obtain the right in time.
- Performing a normal voice call avoids the occurrence of denial of service by the network side, ensuring timely major voice calls such as rescue.
- FIG. 1 is a schematic flow chart of a method for processing an eMPS in a CSFB mechanism according to Embodiment 1 of the present invention
- FIG. 2 is a schematic diagram of a scenario of an attaching process according to Embodiment 1 of the present invention.
- FIG. 3 is a schematic diagram of a scenario of another attachment process according to Embodiment 1 of the present invention.
- FIG. 4 is a schematic diagram of a scenario of a MO process according to Embodiment 1 of the present invention.
- FIG. 5 is a schematic diagram of a processing method of an eMPS in a CSFB mechanism according to a second embodiment of the present invention
- FIG. 6 is a schematic structural diagram of an apparatus for processing an eMPS in a CSFB mechanism according to Embodiment 3 of the present invention
- FIG. 7 is a schematic structural diagram of an apparatus for processing an eMPS in a CSFB mechanism according to another embodiment of the present invention. detailed description
- This embodiment provides a method for processing eMPS in the CSFB mechanism. As shown in FIG. 1, the method includes:
- the MME acquires priority service information of the UE.
- the 101 may be implemented as follows:
- the initial attach process may be performed normally according to the standards of the prior art, including
- the MME, the MSC or the VLR (Visitor Location Register) and the HSS are all known which UE initiated the attach procedure (specifically, the MSC entity or the VLR depends on the deployment on the network side, and this part is not related to the embodiment, so This is not to be explained, but the MSC entity in this embodiment and the following embodiments may be replaced by the VLR, that is, the MME, the MSC, and the HSS are all known to interact with which UE, in this embodiment,
- the UE that sets the interaction is the UE1; and the HSS transmits the user subscription data of the CS domain of the UE1 saved on the UE1 to the MSC entity, and continues to perform the attach procedure according to the standard of the prior art until the MME sends the update location request message to the MSC
- the MSC entity After receiving the update location request message, the MSC entity checks the user subscription data of the CS domain of the UE1 to check whether there is priority service information of the UE1. In this embodiment, it is assumed that the CS domain subscription data of the UE1 includes the priority service information (if the CS domain is included). If the subscription information does not include the priority service information, it means that the UE1 has no eMPS authority or other reasons. In this case, the UE1 can be processed by the ordinary user. Since this situation has nothing to do with the embodiment, it is not considered and explained here. Then, the priority service information is added to the update location confirmation message and sent to the MME. That is, the MME obtains the priority service information of the UE1 stored on the MSC entity from the MSC entity by updating the location confirmation message.
- the priority service information may be eMPS priority information in the user subscription data of the CS domain, or may be a priority service indication, etc., and the specific form is not limited.
- the eMPS refers to the priority of the user equipment in the network, and the eMPS may be represented by other names, which is not limited herein.
- Determining whether the UE1 is an eMPS identifier of the UE that preferentially accesses the UE for example, using the eMPS indicator representative to indicate that the UE1 is the priority access UE, and the UE that does not include the eMPS indicator representative indicating that the UE1 is not preferentially accessed; and/or
- the priority level identifier of UE1 for example, the priority level identifier ranges from “1" to “N", where "1" represents the highest priority level, "2" represents the next highest priority, and the priority of "1” is lower, " The priority of 3” is lower than the priority of "2", ..., "N" represents the lowest priority.
- the MSC may add the priority service information in the user subscription data of the CS domain of the UE1 to the MME in the update location confirmation message; or when the priority service information includes the priority service of the UE1.
- the MSC may determine, according to the eMPS priority information of the UE1 stored thereon, whether the UE1 has the CSFB priority service authority, and add the result of the determination as the priority service information in the update location confirmation message in the form of the priority service indication. To the MME.
- the MSC entity After the MSC entity sends an update location confirmation message to the MME.
- the attachment process required after the MME is executed is not described here.
- the MSC can also be replaced by a VLR instead.
- the 101 can also be implemented in combination with the scenario shown in FIG. 3 as follows:
- the initial attach process may be performed normally according to the standards of the prior art, including a base station, an MME, a serving gateway, a packet data gateway, a policy and charging rule function entity, and an HSS.
- HSS Home Subscriber Server, Home Subscriber Server
- the MME may acquire the priority service information of the UE1 stored on the HSS from the HSS by updating the location confirmation message.
- the specific includes: 301.
- the MME After receiving the joint attach request message, the MME sends an update location request message to the HSS.
- the update location request message may include a request for acquiring the priority service information of the UE1.
- the HSS adds the priority service information of the UE1 saved on the UE1 to the update location confirmation message to the MME according to the request for obtaining the priority service information of the UE1 included in the foregoing message.
- the update location request message does not include the request for obtaining the priority service information of the UE1 as an event trigger condition, but the HSS receives the update location request message as an event trigger condition.
- the HSS receives the update in step 302.
- the location information of the UE1 may be searched for whether the priority service information is included in the subscription data of the UE1. If yes, the priority service information of the UE1 is added to the update location confirmation message and sent to the MME. If not, the location confirmation message is updated. Priority service information is not included.
- the priority service information obtained by the MME in the 301 is the same as the priority service information in the scenario shown in FIG. 2, and may be eMPS priority information in the user subscription data of the CS domain, or may be a priority service indication, etc., according to the design requirements.
- the specific content of the eMPS priority information of the user subscription data can be referred to the above description.
- the HSS in the 302 directly adds the eMPS priority information as the priority service information to the MME in the update location confirmation message;
- the priority service information includes the priority service indication
- the HSS in the 302 needs to first determine whether the UE1 has the CSFB priority service authority according to the eMPS priority information of the UE1 stored thereon, and the result of the determination is prioritized in the form of the priority service indication.
- the service information addition is sent to the MME in an update location confirmation message.
- the subsequent attachment process can be performed normally according to the standards of the prior art, including: air interface and radio side bearer establishment, notifying the service gateway to update the bearer address and the like until the UE1 completes the network attachment.
- air interface and radio side bearer establishment notifying the service gateway to update the bearer address and the like until the UE1 completes the network attachment.
- the detailed description is not described here.
- the MME receives a CSFB access request of the UE.
- the CSFB access request is combined with the CSFB priority access request, and is shown in FIG.
- the method includes: when establishing an RRC (Radio Resource Control) connection between the UE1 and the base station, in the RRC Establishment cause message A CSFB priority access request is added, and the base station UE1 is notified to request CSFB priority access.
- RRC Radio Resource Control
- the base station establishes an S1 connection with the MME
- a CSFB priority access request is added to the Initial UE context (initial UE context) message, and the MME is notified that the UE1 requests CSFB.
- Priority access after the RRC connection is established on the S1 connection, the UE1 sends an extended service request message to the MME to request CSFB priority access and the like. These parts can all be performed according to existing standards until the MME receives the extended service request message of UE1 containing the CSFB access request.
- steps 101 and 102 do not have a strict sequence in the execution process.
- the MME determines that the user equipment has the CSFB priority service authority according to the priority service information, and preferentially provides the CSFB access service for the user equipment with the CSFB priority service authority.
- the CSFB priority service privilege mentioned in the embodiment of the present invention may be the priority service privilege of the user in the CS voice domain, or may be the service privilege that is set for the user to perform the CSFB preferentially.
- the specific form is not limited in the embodiment of the present invention.
- All priority service permissions that allow users to preferentially access the network during the CSFB process can be referred to as CSFB priority service permissions.
- the information indicating the user CSFB priority service authority may be referred to as CSFB priority service information.
- the MME determines that the UE1 has the CSFB priority service authority, if the resource is limited (such as the network congestion causes the resource to be restricted), the UE may preferentially roll back the UE1 to the CS domain to perform corresponding services, such as voice service.
- the CSFB service of the UE1 may be preferentially executed when the resource is not limited.
- the user equipment without the CSFB priority service authority may reject the process of rolling back to the CS domain.
- the MME can determine the CSFB priority service right requested by the UE1 according to the priority service information.
- the implementation of 103 is as follows:
- the obtained priority service information is the eMPS priority information of the user subscription data
- the determining the CSFB priority service authority requested by the user equipment according to the priority service information includes:
- the MME determines the priority service indication of the UE1 according to the eMPS priority information. If the priority service indication represents that the UE1 has the CSFB priority access right, it determines that the UE1 has the right to return to the CS domain preferentially; otherwise, it determines that the UE1 has no priority to return to the CS domain. permission.
- the MME determines that the priority service indication of the UE1 is the right according to the eMPS priority information, that is, the UE1 has the CSFB priority access right, and determines that the UE1 has the priority to return to the CS domain.
- the determining, according to the priority service information, the CSFB priority service permission requested by the user equipment includes:
- the MME grants UE1 priority to return to the CS domain, otherwise it determines that UE1 has no priority to return to the CS domain.
- the above 102 is specifically described when the CSFB access request is a CSFB priority access request.
- the CSFB access request may not be the CSFB priority access request, but only a simple CSFB.
- the access request at this time, the specific execution method is similar to the process in the above 102 and 103, the main difference is that: when specifically executed in 102, there is no need to add a CSBF priority access request to the message, and the CSBF access request It is also not limited to be sent in the MO process. Any time UE1 wants to return to the CS domain, it can send a CSBF access request to the MME. Correspondingly, when it is specifically executed in 103, it is also not limited to the MO process.
- the CSBF access request of the UE1 is received as the trigger condition.
- the MME in the start of the execution 103 determines the CSFB priority service authority requested by the user equipment according to the priority service information, including:
- the MME After receiving the CSFB access request sent by the UE1, the MME determines whether the UE1 has the priority service authority according to the acquired CSFB priority service information, so as to preferentially provide the CSFB access service for the user equipment with the CSFB priority service authority. That is: when resources are limited, priority is given to CSFB The process of the user equipment with the priority service right being rolled back to the CS domain, and the user equipment without the CSFB priority service authority may reject the process of rolling back to the CS domain.
- the MME After 103, the MME notifies the base station of the determined CSFB priority service authority result. Specifically, the S1-AP request message may be used to carry the privilege result to the base station, so as to notify the base station UE1 of the CSFB priority access authority.
- the UE1 may preferentially process the UE1 message, for example: A measurement report is requested from UE1 and a handover target of the UE1 (i.e., a 2G or 3G network cell) is sought.
- the MME may notify the base station of the determined CSFB priority service authority result that the MME may include: directly transmitting the priority service indication to the base station by using the S1-AP request message; or determining, by using the S1-AP request message, the determined UE1 priority to return to the CS domain.
- the base station can learn that the UE1 has the right to fall back to the CS domain preferentially; or notify the base station of the information that the determined UE1 has no priority to return to the CS domain through the S1-AP request message.
- the subsequent execution method can continue to complete the MO process according to existing standards, including:
- the base station sends an S1-AP response message to the MME, and if the packet switched domain (PS) handover is supported, the packet switched domain service can also be switched to 2G or 3G. Network execution, etc.
- PS packet switched domain
- the MME may determine, according to the obtained CSFB priority service information, whether the UE has the right to preferentially return to the CS domain, and if so, the UE is preferentially rolled back to the CS domain.
- the eMPS service in the CSFB mechanism is implemented, so that a specific user with a preferential return to the CS domain obtains the corresponding priority service, and further avoids the fact that the specific user is not obtained timely due to the busy network or limited resources.
- the voice call could not be performed normally, and the handling of major events was delayed.
- This embodiment provides a method for processing the eMPS in the CSFB mechanism in combination with the scenario shown in FIG. 5.
- the main difference between the method in this embodiment and the first embodiment is that the UE that requests CSFB preferential access only involves Authorization during the MO process.
- the method includes:
- the UE sends an extended service request message to the MME, requesting CSFB. Priority access.
- the MME After receiving the extended service request, the MME sends a request message to the MSC, requesting to obtain the priority service information of the UE. After receiving the message, the MSC sends the priority service information of the UE to the MME by using a response message.
- the UE is UE1.
- the MME After receiving the extended service request, the MME requests the MSC to obtain the priority service information of the UE through the eMPS notification message. After receiving the eMPS notification message, the MSC detects the user subscription data of the CS domain of the UE1 stored therein, and checks whether the priority service information of the UE1 exists. In this embodiment, the priority service information of the UE1 is found. On the other hand, it means that UE1 has no eMPS authority or other reasons. In this case, UE1 can be processed as a normal user, because this situation is not related to this embodiment, and is not considered and explained here, and the priority service information is added to The eMPS notification confirmation message is sent to the MME.
- the priority service information may be eMPS priority information in the user subscription data of the CS domain, or may be a priority service indication.
- the eMPS priority information includes: when the eMPS priority information of the user subscription data is:
- Determining whether the UE1 is an eMPS identifier of the UE that preferentially accesses the UE for example, using the eMPS indicator representative to indicate that the UE1 is the priority access UE, and the UE that does not include the eMPS indicator representative indicating that the UE1 is not preferentially accessed; and/or
- the priority level identifier of UE1 for example, the priority level identifier ranges from “1" to “N", where "1" represents the highest priority level, "2" represents the next highest priority, and the priority of "1” is lower, " The priority of 3” is lower than the priority of "2", ..., "N" represents the lowest priority.
- the MSC may use the eMPS priority information in the user subscription data of the UE1 that is obtained or saved as the priority service letter.
- the MME adds the eMPS notification confirmation message to the MME; or when the priority service information includes the priority service indication of the UE1, the MSC determines whether the UE1 has the CSFB priority service authority according to the eMPS priority information of the UE1 stored thereon, and determines The result is added to the MME as a priority service information as a priority service information in a notification confirmation message.
- the MME determines, according to the priority service information, that the user equipment has a CSFB priority service right, and preferentially provides a CSFB access service for a user equipment that has a CSFB priority service authority. That is, when the resource is limited, the user equipment with the CSFB priority service right is preferentially processed to fall back to the CS domain. For the user equipment without the CSFB priority service right, the process of rolling back to the CS domain can be rejected.
- the priority service information obtained by the MME in the 202 may be the eMPS priority information of the user subscription data, or may be the priority service indication. Therefore, there are two cases in the 203.
- the determining, according to the priority service information, the CSFB priority service permission requested by the user equipment includes:
- the priority service indication representative UE1 has CSFB priority access right, it is determined that UE1 has the right to preferentially return to the CS domain; otherwise, it is determined that UE1 has no priority to return to the CS domain.
- the determining, according to the priority service information, the CSFB priority service permission requested by the user equipment includes:
- the priority service indication representative UE1 has CSFB priority access right, it is determined that UE1 has the right to preferentially return to the CS domain; otherwise, it is determined that UE1 has no priority to return to the CS domain.
- the MME may notify the base station of the determined CSFB priority service authority result.
- the S1-AP request message may be sent to the base station to notify the base station UE1 of the CSFB priority access right.
- the base station may preferentially process the UE1 message, for example: The base station preferentially requests the measurement report from the UE1, and searches for the handover target of the UE1 (ie, 2G or 3G network cell) and the like.
- the result of the privilege may be that the S1-AP request message carries the priority service indication to the base station directly; the privilege result may also be: notify the base station by using the S1-AP request message that the determined UE1 has the right to preferentially return to the CS domain. , then base The station can preferentially roll back the UE1 to the CS domain. Or, the information indicating that the determined UE1 has no priority to return to the CS domain is notified to the base station by using the S1-AP request message.
- the subsequent execution method may continue to complete the MO process according to existing standards, including: the base station sends an S1-AP response message to the MME, and if the packet switched domain (PS) handover is supported, the packet switched domain service may also be switched to the 2G or 3G network. Execution, etc.
- PS packet switched domain
- the method provided in this embodiment can be used to obtain the corresponding priority service information for the UE that requests the CSFB preferential access to the MME in the MO process, and complete the process of determining whether the UE has the priority to return to the CS domain, so that the eMPS permission is obtained.
- the specific users in the CSFB mechanism can enjoy the preferential service, which guarantees the experience of voice calls of these specific users, and can avoid the delay of major events caused by the network being denied service due to the busy network or limited resources. Deal with other issues.
- the embodiment provides a processing device for the eMPS in the CSFB mechanism. As shown in FIG. 6, the device includes: a receiving unit 61, an obtaining unit 62, a determining unit 63, and a priority executing unit 65.
- a receiving unit 61 configured to receive a CSFB priority access request of the UE, an acquiring unit 62, configured to acquire the UE priority service information, and a determining unit 63, configured to: after the receiving unit 61 receives the CSFB priority access request, Determining, by the obtaining unit, the priority service information of the user equipment that the UE has the CSFB priority service authority; the priority execution unit 65 is configured to preferentially provide the CSFB connection to the user equipment with the CSFB priority service authority determined by the determining unit 63. Into the service. .
- the obtaining unit 62 may include at least one of the following in the embodiment: a first obtaining module 621 and a second acquiring module 622.
- the first obtaining module 621 is configured to acquire the priority service information of the UE stored in the MCS entity or the VLR from the MSC entity or the VLR by using the update location confirmation message in the attaching process; the second obtaining module 622 is configured to During the attaching process, the priority service information of the UE stored on the HSS is obtained from the HSS by updating the location confirmation message.
- the acquiring unit 62 includes a third obtaining module 623.
- the third obtaining module 623 is configured to request, by the request message, the priority service information of the UE by using the request message, and obtain, by using the response message, the stored information from the MSC entity or the VLR by using the response message. Priority service information of the UE.
- the determining unit 63 includes an authority determining module 631 and/or a cell determining module 631.
- the privilege determining module 631 is configured to determine, according to the eMPS priority information, the priority service indication of the UE, when the priority service information of the UE that is acquired by the acquiring unit 62 includes the eMPS priority information of the user subscription data, and If the priority service indication indicates that the UE has CSFB priority access rights, determining that the UE has priority to return to the circuit switched domain; and/or
- a cell determining module 631 configured to: when the priority service information of the UE acquired by the acquiring unit 62 includes a priority service indication, if the priority service indication represents that the UE has a CSFB priority access right, determining the The UE has the priority to return to the circuit switched domain.
- the notification unit 64 is further included in the apparatus provided by the other embodiment.
- the notification unit 64 is configured to notify the base station of the determined CSFB priority service authority result, so that the base station preferentially provides the CSFB access service for the user equipment with the CSFB priority service authority.
- the processing device of the eMPS in the CSFB mechanism provided in this embodiment may be used as the MME in the first embodiment and the second embodiment, or may be installed or run in the MMEs in the first embodiment and the second embodiment.
- the apparatus provided in this embodiment has the following beneficial effects: having the function of obtaining the priority service information from the network device storing the priority service information, and determining, according to the priority service information, whether the UE has the right to preferentially return the CS domain,
- the specific user with the CSFB priority access authority can be given priority, and the voice service of the specific user can be preferentially returned to the 2G or 3G network for execution, and the call experience of the specific user can be guaranteed; when the network resources are limited or congested Next, the specific user can perform normal voice calls because of the timely acquired rights, avoiding the occurrence of denial of service by the network side, and ensuring timely voice calls and other major voice calls.
- Embodiment 4 Embodiment 4
- the embodiment provides a processing system for the eMPS in the CSFB mechanism, and the system mainly includes: a mobility management entity.
- the mobility management entity is configured to receive a CSFB access request of the UE, and determine, according to the obtained priority service information of the UE, that the UE has a CSFB priority service right, and preferentially provide CSFB access for a UE with a CSFB priority service right service.
- the system further includes: a first network management device.
- the first network management device is configured to send the priority service information of the UE stored on the UE to the mobility management entity by using an update location confirmation message during the attaching process; correspondingly, the mobility management entity further For obtaining the priority service information of the user equipment from the first network management device by updating the location confirmation message during the attaching process.
- system further includes: a second network management device.
- the second network management device configured to receive, in the initial call process, a request message for acquiring the priority service information of the UE by the mobility management entity, and using the response message to store the priority service information of the UE Sending to the mobility management entity; at this time, the mobility management entity is further configured to send the request message to the second network management device to obtain the priority service information of the UE in the initial call process. And obtaining the priority service information of the UE by using the response message sent by the second network management device.
- the first network management device may be an HSS, an MSC or a VLR
- the second network management device may be an MSC or a VLR.
- the mobility management entity may obtain the priority service information, and determine the authority for the user who requests the CSFB to preferentially access according to the priority service information.
- the eMPS is implemented in the CSFB mechanism to prevent users with eMPS priority access rights from being denied service by the network side, and users with eMPS priority access rights can enjoy the services they deserve in CSFB.
- the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, through hardware. But in many cases the former is a better implementation.
- the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
- a hard disk or optical disk, etc. includes instructions for causing a network device to perform the methods described in various embodiments of the present invention.
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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CN2010800016298A CN102369739A (zh) | 2010-04-14 | 2010-04-14 | Emps在csfb机制中的处理方法、装置及系统 |
JP2013504091A JP5607816B2 (ja) | 2010-04-14 | 2010-04-14 | 回線交換フォールバックメカニズムにおいて、強化されたマルチメディア優先サービスを処理するための方法、装置、およびシステム |
EP10849662.1A EP2552132B1 (en) | 2010-04-14 | 2010-04-14 | Method, apparatus and system for processing enhanced multimedia priority service in circuit switched fallback mechanism |
PCT/CN2010/071754 WO2011127652A1 (zh) | 2010-04-14 | 2010-04-14 | Emps在csfb机制中的处理方法、装置及系统 |
US13/649,467 US8917667B2 (en) | 2010-04-14 | 2012-10-11 | Method, apparatus, and system for processing EMPS in a CSFB mechanism |
US14/548,667 US9204342B2 (en) | 2010-04-14 | 2014-11-20 | Method, apparatus, and system for processing eMPS in a CSFB mechanism |
US14/825,953 US9392500B2 (en) | 2010-04-14 | 2015-08-13 | Method, apparatus, and system for processing eMPS in a CSFB mechanism |
Applications Claiming Priority (1)
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PCT/CN2010/071754 WO2011127652A1 (zh) | 2010-04-14 | 2010-04-14 | Emps在csfb机制中的处理方法、装置及系统 |
Related Child Applications (1)
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US13/649,467 Continuation US8917667B2 (en) | 2010-04-14 | 2012-10-11 | Method, apparatus, and system for processing EMPS in a CSFB mechanism |
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JP (1) | JP5607816B2 (zh) |
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WO2016066110A1 (en) * | 2014-10-28 | 2016-05-06 | Mediatek Inc. | User equipment and circuit-switched fallback method thereof |
US9585160B2 (en) * | 2014-12-01 | 2017-02-28 | Telefonaktiebolaget L M Ericsson (Publ) | Prioritizing location request of a certain type in a congestion situation |
EP3439340B1 (en) * | 2016-05-10 | 2020-05-06 | Huawei Technologies Co., Ltd. | Mobility management method and device |
EP3687224B1 (en) * | 2017-10-13 | 2022-07-06 | Huawei Technologies Co., Ltd. | Cell selection method and terminal |
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US9392500B2 (en) | 2016-07-12 |
CN102369739A (zh) | 2012-03-07 |
US20130034060A1 (en) | 2013-02-07 |
US9204342B2 (en) | 2015-12-01 |
EP2552132A4 (en) | 2013-04-10 |
EP2552132B1 (en) | 2017-03-29 |
US8917667B2 (en) | 2014-12-23 |
JP5607816B2 (ja) | 2014-10-15 |
US20150350966A1 (en) | 2015-12-03 |
JP2013524698A (ja) | 2013-06-17 |
EP2552132A1 (en) | 2013-01-30 |
US20150087300A1 (en) | 2015-03-26 |
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