CN101742647A - Method and system for paging user equipment and mobile service switching center - Google Patents
Method and system for paging user equipment and mobile service switching center Download PDFInfo
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Abstract
The implementation of the invention provides a method for paging user equipment, including that information whether idle mode signalling reduction (ISR) mechanism is activated is acquired when user equipment moves from a source access network to a target access network, if not, the mobile service switching center is indicated to page the user equipment at a single interface. Accordingly, the implementation of the invention also provides a system for paging user equipment, comprising a target mobility management unit and the mobile service switching center. By adopting the implementation of the invention, the problem of network resource waste caused by the fact that the MSC still pages the UE by two access networks when the core network does not activate the ISR mechanism for the UE is avoided.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method, system of calling user device, and a kind of mobile management net element and mobile services switching centre.
Background technology
In order to tackle the challenge of wireless broad band technology, 3GPP the end of the year 2004 formulated the Long Term Evolution plan (Long Term Evolution, LTE).At the given a definition framework of new mobile communications network of the guidance of this evolution plan, this framework and present general packet radio service (General Packet Radio Service, GPRS) or, universal mobile telecommunications system (Universal Mobile Telecommunications System, UMTS) network is compared more flat, and only kept packet domain, therefore can be called evolution packet network (evolved packet system, EPS).
Because a lot of professional circuit commutative field (the CircuitSwitched Domain that all operate in the GPRS/UMTS network of operator, CS) in, in order in the EPS network, to reuse existing C S business, therefore proposed to be connected to the method in CS territory in traditional core net by the EPS network, this processing method be called " the CS business return legacy network handle (CS fallback, CSFB) ".
Under the CSFB business scenario, the EPS network is realized saving signaling (Idle modesignaling reduction, the ISR) function under a kind of idle pulley.At present, the solution of the ISR mechanism between the 3GPP access network adopts two login mechanisms, be mainly: subscriber equipment (User Equipment, UE) all register in two different Access Networks, the UE under the idle pulley will not trigger the mobile management flow process when mobile between these two Access Networks like this.
When network side is ISR pair of login mechanism of UE activation, then no matter UE is evolution UTMS terrestrial access network (Evovled UMTS Territorial Radio Access Network in the EPS network, E-UTRAN) still at GSM EDGE Radio Access Network network (GSM/EDGE Radio AccessNetwork, GERAN) in, perhaps, E-UTRAN network and UTMS terrestrial access network (UMTSTerritorial Radio Access Network, UTRAN) in, (Mobile Services Switching Center, MSC) paging is to the UE that is in Idle state can both to guarantee mobile services switching centre in the CS territory.For example, if UE has carried out combined registering or associated update at E-UTRAN network and GERAN network, in the time of called service, MSC can trigger MME paging UE by the SGs interface, (Serving GPRS Support Node, SGSN) paging UE person is by A interface paging UE also can to trigger Serving GPRS Support Node by Gs interface simultaneously.If UE has carried out combined registering or associated update at E-UTRAN network and UTRAN network, in the time of called service, MSC can trigger MME paging UE by the SGs interface, also can trigger SGSN paging UE or pass through Iu-cs interface paging UE by Gs interface simultaneously.
But when the unpromising UE of core network side activated ISR pair of login mechanism, according to existing scheme, MSC still carried out paging by two Access Networks to UE, will cause network resources waste like this.
Summary of the invention
The one side of the embodiment of the invention provides a kind of method, system of calling user device, make UE between two different access networks when mobile, if core network side does not activate ISR mechanism for UE, then MSC carries out paging by single interface to UE, thereby can reduce the ineffertive pager of signaling, avoid waste of network resources.The embodiment of the invention mobile management net element, the mobile services switching centre that is used for calling user device also be provided on the other hand.
The embodiment of the invention provides a kind of method of calling user device, comprising:
When described subscriber equipment from the source Access Network when the target side Access Network moves, obtain the information that whether activates the modern ISR of minimizing of idle pulley letter mechanism,
If do not activate, then indicate mobile services switching centre at the described subscriber equipment of single interface paging.
The embodiment of the invention also provides a kind of system of calling user device, comprises the source mobile management net element, target side mobile management net element, and mobile services switching centre,
Described target side mobile management net element is used to obtain the information that whether activates ISR mechanism, when not activating, sends indication and does not activate the information of described ISR mechanism to described mobile services switching centre;
Described mobile services switching centre is used for determining at the described subscriber equipment of single interface paging after receiving the described information that does not activate described ISR mechanism.
The embodiment of the invention also provides a kind of system of calling user device, comprise: subscriber equipment and mobile services switching centre, this subscriber equipment, after being used for knowing that by broadcast message the SGSN of target side Access Network does not support the information of Gs interface, obtain the information that whether activates ISR mechanism from this SGSN, when not activating, send indication and do not activate the information of ISR mechanism to described mobile services switching centre;
Described mobile services switching centre is used for after receiving the information that does not activate ISR mechanism, determines at A interface or the described subscriber equipment of Iu-cs interface paging.
The embodiment of the invention also provides a kind of system of calling user device, comprising:
The source mobile management net element, target side mobile management net element, and mobile services switching centre, wherein, described target side mobile management net element is SGSN, described source mobile management net element is MME;
Described MME, be used for from the information that described SGSN obtains the information that whether activates ISR mechanism and whether this SGSN supports Gs interface, when not activating described ISR mechanism, and when this SGSN does not support Gs interface, send the information that does not keep the SGs interface and arrive described mobile services switching centre;
Described mobile services switching centre is used for determining at A interface or the described subscriber equipment of Iu-cs interface paging after receiving the described message that does not keep the SGs interface message.
The embodiment of the invention also provides a kind of mobile management net element, comprising:
Dispensing unit, be used for when subscriber equipment from the source Access Network when the target side Access Network moves, configuration carries the message of the information whether indication ISR mechanism activate;
Transmitting element is used to send described message to mobile services switching centre, so that described mobile services switching centre according to the described information that indicates whether to activate ISR mechanism, is identified for the interface of the described subscriber equipment of paging.
The embodiment of the invention also provides a kind of mobile management entity, comprising:
Dispensing unit, be used for when subscriber equipment from the source Access Network when the target side Access Network moves, after the SGSN of knowing the target side Access Network did not activate ISR mechanism and this SGSN and do not support Gs interface, configuration carried the message of the information that does not keep the SGs interface;
Transmitting element is used to send described message to described mobile services switching centre, so that described mobile services switching centre according to the described information that does not keep the SGs interface, is determined at A interface or the described subscriber equipment of Iu-cs interface paging.
The embodiment of the invention also provides a kind of mobile services switching centre, comprising:
Receiving element, be used for when subscriber equipment from the source Access Network when the target side Access Network moves, receive the message carry the information that whether activates ISR mechanism;
Processing unit is used for according to described message, knows when not activating described ISR mechanism, determines at the described subscriber equipment of single interface paging; Know when the described ISR of activation is machine-processed, determine at the described subscriber equipment of double nip paging.
Implement the embodiment of the invention, have following beneficial effect:
The embodiment of the invention is not when activating ISR mechanism, instruct MS C is by resident this UE of access network paging of current UE, when having avoided network side not activate ISR mechanism for UE, MSC still carries out paging by two access networks to UE, causes the problem of network resources waste.
Description of drawings
Fig. 1 is existing GPRS/UTMS network architecture schematic diagram;
Fig. 2 is the evolution packet network configuration diagram of non-roaming scence;
Fig. 3 is the configuration diagram that evolution packet network connects the CS territory realization CS business of traditional core net;
Fig. 4 is the method flow diagram of the calling user device of first embodiment of the invention;
Fig. 5 is the method flow diagram of the calling user device of second embodiment of the invention;
Fig. 6 is an example of implementing according to the method for Fig. 5;
Fig. 7 is the method flow diagram of the calling user device of third embodiment of the invention;
Fig. 8 is the method flow diagram of the calling user device of fourth embodiment of the invention;
Fig. 9 is an example of implementing according to the method for Fig. 8;
Figure 10 is the system configuration schematic diagram of the calling user device of fifth embodiment of the invention;
Figure 11 is the system configuration schematic diagram of the calling user device of sixth embodiment of the invention;
Figure 12 is the system configuration schematic diagram of the calling user device of seventh embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
The embodiment of the invention is described UE under the situation that two different Access Networks under the EPS network architecture move, if current network side activating ISR mechanism, the MSC in CS territory keeps two these UE of interface paging in then traditional core net, thereby when being called, MSC is communicated with two these UE of access network paging by two interfaces that keep at this UE; If current core network side inactive I SR mechanism, then this MSC keeps this UE of single interface paging, thereby at this UE when being called, MSC is communicated with this UE of access network paging of resident this UE by the single interface that keeps.Briefly introduce existing evolution packet network, GPRS/UTMS network and two networks below and realize interconnected Organization Chart.
Fig. 1 is existing GPRS/UTMS network architecture schematic diagram.As shown in Figure 1, the GPRS/UMTS network comprise Radio Access Network (Radio Access Network, RAN) and core network (CoreNetwork, CN) two parts.CN from be divided in logic circuit commutative field (Circuit Switched Domain, CS) and packet-switched domain (Packet Switched Domain, PS).The main processed voice business in CS territory, Packet Service is mainly handled in the PS territory.The signaling plane controlled entity in CS territory be mobile services switching centre (MobileServices Switching Center, MSC).The signaling plane controlled entity in PS territory is SGSN.MSC connects by A interface and base station controller, links to each other with radio network controller by Iu-cs.SGSN links to each other by Gs interface with MSC.SGSN is connected with base station controller by Gb Interface, is connected with radio network controller by the Iu-ps interface.
Fig. 2 is the evolution packet network configuration diagram under the non-roaming scence.As shown in Figure 2, EPS server host to comprise MME, SAE business service gateway (Serving Gateway, S-SW), the professional PDN Gateway (its Access Network is E-UTRAN for PDN Gateway, P-GW) three logic function bodies) of SAE.Wherein, the MME of EPS network links to each other with the SGSN of existing network by the S3 interface.SGSN links to each other with GERAN, UTRAN.
Fig. 3 is that evolution packet network connects the configuration diagram that the CS business is realized in traditional core net CS territory.As shown in Figure 3, the MME in the EPS network is connected on the MSC in CS territory in traditional core net by a SGs interface.When receiving, MSC exhales (Mobile Terminated an end, when MT) professional, MSC sends beep-page message by the SGs interface to MME, MME carries out paging by the EPS network to UE, after UE receives this beep-page message, need forward the GPRS/UMTS network earlier to, select the sub-district of a 2G/3G to be stationed, and then finish the subsequent treatment of this MT business.
Fig. 4 is the method flow diagram of the calling user device of first embodiment of the invention.As shown in Figure 4, this method may further comprise the steps:
Step S401, when subscriber equipment from the source Access Network when the target side Access Network moves, obtain the information that the idle pulley signaling reduces ISR mechanism that whether activates, if do not activate, then change step S402 over to.
Step S402, the indication mobile services switching centre is at this subscriber equipment of single interface paging.
In the embodiment of the invention, when not activating ISR mechanism, the indication mobile services switching centre is at single interface paging subscriber equipment.Alternatively, can also be, then to indicate mobile services switching centre at this subscriber equipment of double nip paging if activate.Wherein, instruct MS C comprises following two kinds in the mode of this subscriber equipment of double nip paging:
One, sends the information that has activated ISR mechanism and arrive MSC, MSC is determined at the double nip calling user device;
Two, do not send the information that whether activates ISR mechanism and arrive MSC, MSC gives tacit consent to this kind mode for having activated the indication of ISR mechanism, determines at the double nip calling user device.When activating ISR mechanism, do not send out indication information any, this moment, mobile services switching centre adopted the scheme of prior art, determined at the double nip calling user device.
In the embodiment of the invention, single interface is one of following: SGs interface, Gs interface, A interface or Iu-cs interface; Double nip is one of following: SGs interface and Gs interface, SGs interface and A interface or SGs interface and Iu-cs interface.
Fig. 5 is the method flow diagram of the calling user device of second embodiment of the invention.As shown in Figure 5, when the target side Access Network moved, this method may further comprise the steps UE from the source Access Network:
Step S501, the target side mobile management net element is from himself obtaining the information that whether activates ISR.If activate then change step S502 over to, if do not activate then change step S503 over to.
Step S502, the information that sends indication activation ISR mechanism makes MSC determine to come this subscriber equipment of paging at Gs interface and SGs interface to MSC.
Alternatively, also can be not send the information that activates ISR mechanism, MSC continues to use existing scheme, at Gs interface and SGs interface paging subscriber equipment.
Step S503 sends and indicates the information that does not activate ISR mechanism to MSC, makes MSC determine to come calling user device at Gs or SGs interface.
In the embodiment of the invention, can be that the source Access Network is GERAN or UTRAN network, the target side Access Network be E-UTRAN, and then the source mobile management net element is SGSN, and the target side mobile management net element is MME; Also can be that the source Access Network is the E-UTRAN network, the target side Access Network be GERAN or UTRAN, and then the source mobile management net element is MME, and the target side mobile management net element is SGSN.When the target side mobile management net element was MME, MSC kept the SGs interface, and when the target side mobile management net element was SGSN, MSC kept Gs interface.
Fig. 6 is an example of implementing according to the method for Fig. 5.As shown in Figure 6, it may further comprise the steps:
Step S601, UE sends route district/tracing section updating request message to the target side mobile management net element.
Step S602, the target side mobile management net element sends context request message to the source mobile management net element.
Step S603, the source mobile management net element returns context response information to the target side mobile management net element.
Step S604, the target side mobile management net element returns context acknowledgement message, and carries the information that indicates whether to activate ISR mechanism in context acknowledgement message.
Step S605, target side mobile management net element send to carry to MSC and indicate whether to activate the location update message of ISR scheme information to MSC.
In the present embodiment, the mode that indicates whether to activate the information of ISR mechanism can be pre-defined.Be in location update message, to increase the ISR cell herein.
Alternatively, the value with this ISR cell indicates whether to have activated ISR mechanism for UE.As, ISR cell value is 1 o'clock, and expression has activated ISR mechanism, and ISR cell value is 0 o'clock, expression inactive I SR mechanism.
Alternatively, with whether including ISR information in the location update message indicate whether to have activated ISR mechanism for UE.As represent to have activated ISR mechanism when including the ISR cell, represent inactive I SR mechanism when not including the ISR cell.Need to prove that under this kind execution mode, do not send the information that activates ISR mechanism, MSC continues to use existing scheme, and is no longer valid in the scheme of Gs interface and SGs interface paging subscriber equipment.
Step S606, MSC determine the interface of this UE of paging according to the location update message from the target side mobile management net element that receives.
Herein, MSC finishes the registration of the address of target side mobile management net element.And when knowing that ISR mechanism is activated, MSC keeps SGs interface and Gs interface for this UE.When paging UE, MSC is paging UE on SGs interface and Gs interface.When knowing that ISR mechanism is not activated, MSC only keeps the interface message of latest update, and promptly MSC keeps the interface (SGs interface or Gs interface) that sends location update message.When paging UE, MSC is paging UE on the single interface that keeps only.
Step S607, the MSC home position upgrades acknowledge message.
Step S608, the target side mobile management net element returns route district/tracing section updating acknowledge message to UE.
Fig. 7 is the method flow diagram of the calling user device of third embodiment of the invention.In the present embodiment, the source Access Network is e-UTRAN, and the source mobile management net element is MME; The target side Access Network is GERAN/UTRAN, and the target side mobile management net element is SGSN.When UE initiates a combined registering or associated update flow process, if MME supports the SGs interface, then MME can be established to the SGs association of MSC for UE in combined registering or associated update flow process.In GERAN/UTRAN, when combined registering of UE initiation or associated update flow process, if SGSN supports Gs interface, SGSN can be established to the Gs association of MSC for UE in described flow process.If SGSN does not support Gs interface, UE will initiate independent location area updating so, thereby be registered among the MSC.
UE from the source Access Network when the target side Access Network moves, the broadcast message that the receiving target side joint networks, listening to target side Radio Access Network type in broadcast message is the II class, and when promptly SGSN does not support Gs interface, UE will initiate independent Routing Area Update and location area updating.When SGSN received the Routing Area Update request message of UE transmission, whether decision was that UE activates ISR mechanism, accepts the current ISR mechanism that whether activated of message informing UE by Routing Area Update then.Thereby UE is known the current ISR mechanism that whether activated, and carries in the request message of lane place and indicate whether that the information that activates ISR mechanism sends to MSC.As shown in Figure 7, this method may further comprise the steps:
Step S701, UE obtain the information that whether activates ISR mechanism from this SGSN after knowing that by broadcast message target side SGSN does not support the information of Gs interface, if activate, then change step S702 over to, if un-activation then changes step S703 over to;
In the present embodiment, can in the request message of lane place, carry and indicate whether that the information that activates ISR mechanism sends to MSC.The mode of carrying can not repeat them here referring to the description of Fig. 6.
Step S702, the information that sends activation ISR mechanism makes mobile services switching centre determine to keep this UE of double nip paging to MSC.
Herein, if the target side Access Network is GERAN, then MSC determines at SGs interface and A interface paging UE; If the target side Access Network is UTRAN, then MSC determines in SGs interface and Iu-cs interface paging.
Step S703, the information that transmission does not activate ISR mechanism determines at this UE of single interface paging MSC to MSC.
Herein, if the target side Access Network is GERAN, then MSC determines at A interface paging UE; If the target side Access Network is UTRAN, then determine at Iu-cs interface paging UE.
Present embodiment is not supported under the situation of Gs interface at the SGSN of target side, by UE the information whether ISR activates is notified to MSC, make MSC determine that at double nip still be single interface paging subscriber equipment, assurance MSC paging has effectively significantly reduced the paging waste simultaneously to idle UE.
Fig. 8 is the method flow diagram of the calling user device of fourth embodiment of the invention.In the present embodiment, the source Access Network is e-UTRAN, and the source mobile management net element is MME; The target side Access Network is GERAN/UTRAN, and the target side mobile management net element is SGSN.As shown in Figure 8, this method may further comprise the steps:
Step S801, MME obtain the message of whether supporting Gs interface information from SGSN.If this SGSN supports Gs interface, execution in step S802 then, if SGSN does not support Gs interface, execution in step S803 then.
Step S802, MME do not send the information that indicates whether to activate ISR mechanism to MSC, and SGSN sends the information that indicates whether to activate ISR mechanism to MSC, makes MSC determine the interface of calling user device.
Herein, the also current ISR mechanism that activated, SGSN does not send the information of activation ISR mechanism to MSC, and MSC continues to use existing paging path, at double nip paging UE.Current inactive I SR mechanism, then SGSN do not send activate ISR mechanism information to MSC, MSC determines at the Gs interface calling user device.
Step S803, MME obtains the information that whether activates ISR mechanism from SGSN and gives MSC.If activate, execution in step S804 is not if activate execution in step S805.
Step S804, MME and SGSN do not send the information that indicates whether to activate ISR mechanism to MSC, and MSC continues to use existing paging path, at double nip paging UE.
If the target side Access Network is GERAN, then keep SGs interface and A interface herein; If the target side Access Network is UTRAN, then keep SGs interface and Iu-cs interface.
Step S805, MME send and indicate the information that does not keep the SGs interface to MSC, and MSC is determined at single interface paging UE.
Herein, if the target side Access Network is GERAN, then MSC determines at A interface paging UE; If the target side Access Network is UTRAN, then MSC determines at Iu-cs interface paging UE.
In the embodiment of the invention, optionally, can be that MME obtains the information that whether activates ISR mechanism from SGSN.If activated ISR mechanism, source MME will can not send information to MSC.SGSN selects whether to send the information of indication ISR mechanism activation to MSC according to predefined execution mode.Under the situation that activates ISR mechanism, MSC continues to use existing paging path, paging UE on double nip.
Optionally, can also be, MME obtains the information whether information that whether activates ISR mechanism and this SGSN interface support Gs from SGSN simultaneously, then, judges whether to activate ISR mechanism and Gs interface whether, and the order of judgement is optional.According to the result who judges, it still is single interface paging UE that instruct MS C is chosen in double nip.
Fig. 9 is an example of implementing according to the method for Fig. 8.As shown in Figure 9, it may further comprise the steps:
Step S901, UE sends the Routing Area Update request message to SGSN.
Step S902, SGSN sends context request message to MME.
Step S903, MME returns context response information to SGSN.
Step S904, SGSN returns context acknowledgement message, and carries in context acknowledgement message and indicated whether to activate ISR mechanism and whether indication SGSN supports the information of Gs interface.
In the present embodiment, can be in context acknowledgement message, to increase Gs cell indication SGSN whether to support Gs interface.For example, Gs Supported cell.Alternatively, whether the value indication SGSN with Gs Supported cell supports Gs interface.As Gs Supported cell value is to express support for Gs interface at 1 o'clock, and Gs Supported cell value is to represent not support Gs interface at 0 o'clock.
Alternatively, whether including the Gs cell with context acknowledgement message indicates whether to have activated ISR mechanism for UE.As express support for Gs interface when including the Gs cell, represent not support Gs interface when not including the Gs cell.
Step S905, whether MME sends location update message to MSC according to the information decision of indicating in step S904.
In the present embodiment, if activated ISR mechanism, MME will can not send location update message to MSC.If inactive I SR mechanism, MME judges whether SGSN supports Gs interface again so, if do not support, MME sends and carries the location update message that notice MSC does not keep the SGs interface message.
In the present embodiment, can be that MME increases deactivate SGs cell in the updating message of lane place, instruct MS C discharges the SGs interface.Alternatively, MME also can pass through other message, for example, EPSDetach Request message, instruct MS C discharges the SGs interface.
Step S906, MSC are known the information that does not keep the SGs interface, are preserved for A interface or the Iu-cs interface of this UE of paging.
Step S907, the MSC home position upgrades acknowledge message.
Alternatively, if MSC receives EPS Deatch Request message, MSC will return EPSDeatch Response message to MME so.
Step S908, SGSN returns Routing Area Update to UE and accepts message.
The information whether present embodiment is supported Gs interface by source MME with target side SGSN and whether activated ISR sends to MSC, and instruct MS C keeps the interface of paging.This kind execution mode, guaranteed when target side SGSN does not support Gs interface, and do not activated under the situation of ISR mechanism that MSC can carry out paging to idle UE by A interface or Iu-cs interface, guarantee the reliability of paging, and significantly reduced the paging waste.
Figure 10 is the system configuration schematic diagram of the calling user device of fifth embodiment of the invention.As shown in figure 10, this system comprises target side mobile management net element 20 and mobile services switching centre 30, wherein:
Target side mobile management net element 20 is used to obtain the information that whether activates ISR mechanism, also is used to send the information that indicates whether to activate ISR mechanism.
Alternatively, also 20 of target side mobile management net elements just send and indicate the information that does not activate described ISR mechanism to MSC when not activating ISR mechanism, when activating ISR mechanism, do not send indication information to MSC.
Mobile services switching centre 30 after being used to receive the information of described ISR mechanism, determines that at single interface still be the double nip calling user device.Do not activate ISR when mechanism when knowing, determine at Gs or the single interface paging subscriber equipment of SGs; Know when the described ISR of activation is machine-processed, determine at Gs interface and SGs interface paging subscriber equipment.
Herein, accordingly, when target side mobile management net element 20 when activating ISR mechanism, do not send indication information to MSC.MSC continues to use existing paging path, at double nip paging UE.
In the embodiment of the invention, the source Access Network is GERAN or UTRAN network, and when the target side Access Network was E-UTRAN, the source mobile management net element was SGSN, and the target side mobile management net element is MME; The source Access Network is the E-UTRAN network, and when the target side Access Network was GERAN or UTRAN, the source mobile management net element was MME, and the target side mobile management net element is SGSN.When the target side mobile management net element was MME, MSC kept the SGs interface, and when the target side mobile management net element was SGSN, MSC kept Gs interface.
Figure 11 is the system configuration schematic diagram of the calling user device of sixth embodiment of the invention.As shown in figure 11, this system comprises UE42 and MSC32, wherein:
UE42, after being used for knowing that by broadcast message the SGSN of target side Access Network does not support the information of Gs interface, obtain the information that whether activates ISR mechanism from this SGSN, also be used to get access to when not activating described ISR mechanism, send indication and do not activate the information of ISR mechanism to mobile services switching centre.
In the present embodiment, the broadcast message of UE42 receiving target side Radio Access Network, listening to target side Radio Access Network type in broadcast message is the II class, when promptly SGSN does not support Gs interface, UE42 will initiate independent Routing Area Update and location area updating.When SGSN received the Routing Area Update request message of UE transmission, whether decision was that UE42 activates ISR mechanism, accepts the current ISR mechanism that whether activated of message informing UE by Routing Area Update then.Thereby UE42 know current whether activated ISR mechanism after, send to carry and indicate whether to activate the information of ISR mechanism to MSC32.
MSC32 is used for not activating ISR when mechanism receiving, and keeps A or this subscriber equipment of Iu-cs interface paging; Know when ISR mechanism is activated, keep SGs interface and A interface, perhaps, SGs interface and this subscriber equipment of Iu-cs interface paging.
Figure 12 is the system configuration schematic diagram of the calling user device of seventh embodiment of the invention.As shown in figure 12, this system comprises source mobile management net element 14, target side mobile management net element 24, and MSC34, and this source mobile management net element 14 is MME, this target side mobile management net element 24 is SGSN, wherein:
SGSN24 is used to send carry and indicates ISR mechanism whether to activate and do not support the message of Gs interface information.
MME14, be used for obtaining the information that whether activates ISR mechanism, also be used for obtaining the information of whether supporting Gs interface, when knowing that described ISR mechanism is not activated from SGSN from SGSN12, and when described SGSN does not support Gs interface, send the information that does not keep the SGs interface and arrive MSC34.
MSC34 is used for after receiving the message that does not keep the SGs interface message, determines at A interface or Iu-cs interface paging subscriber equipment.
The embodiment of the invention also provides a kind of mobile management net element, comprising:
Dispensing unit, be used for when subscriber equipment from the source Access Network when the target side Access Network moves, configuration carries the message of the information whether indication ISR mechanism activate;
Transmitting element is used to send described message to mobile services switching centre, so that described mobile services switching centre according to the described information that indicates whether to activate ISR mechanism, is identified for the interface of the described subscriber equipment of paging.
In the embodiment of the invention, this device can be arranged on target side mobile management net element or the UE.
The embodiment of the invention also provides a kind of mobile management net element, comprising:
Dispensing unit, be used for when subscriber equipment from the source Access Network when the target side Access Network moves, after the SGSN of knowing the target side Access Network did not activate ISR mechanism and this SGSN and do not support Gs interface, configuration carried the message of the information that does not keep the SGs interface;
Transmitting element is used to send described message to described mobile services switching centre, so that described mobile services switching centre according to the described information that does not keep the SGs interface, is determined at A interface or the described subscriber equipment of Iu-cs interface paging.
In the embodiment of the invention, this device can be arranged on the source mobile management net element MME.
The embodiment of the invention also provides a kind of mobile services switching centre, comprising:
Receiving element is used to receive and carries the whether message of active information of ISR mechanism;
Processing unit is used for carrying the whether message of active information of ISR mechanism according to this, knows that ISR mechanism is preserved for single interface of calling user device when not being activated; Know when ISR mechanism is activated, be preserved for the double nip of calling user device.
In the present embodiment, single interface is one of following: SGs interface, Gs interface, A interface or Iu-cs interface; Double nip is one of following: SGs interface and Gs interface, SGs interface and A interface or SGs interface and Iu-cs interface.
The embodiment of the invention makes MSC keep this UE of single interface paging that is communicated with the resident access network of current UE by the information that indication ISR mechanism is not activated, when having avoided core network side not activate ISR mechanism for UE, MSC still carries out paging by two access networks to UE, causes the problem of network resources waste.And make MSC keep this UE of double nip paging by the information that indication ISR mechanism is activated, can be compatible mutually with prior art well.
Alternatively, through the above description of the embodiments, those skilled in the art can be well understood to each execution mode and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware.Based on such understanding, the part that technique scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the computer-readable recording medium, as ROM/RAM, disk, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, perhaps network equipment etc.) carry out the described method of some part of each embodiment or embodiment.
The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (15)
1. the method for a calling user device comprises:
When described subscriber equipment from the source Access Network when the target side Access Network moves, obtain the information that the idle pulley signaling reduces ISR mechanism that whether activates,
If do not activate, then indicate mobile services switching centre at the described subscriber equipment of single interface paging.
2. method according to claim 1 is characterized in that, this method also comprises: if activate, then indicate mobile services switching centre at the described subscriber equipment of double nip paging, wherein, described indication mobile services switching centre comprises in the mode of the described subscriber equipment of double nip paging:
Send and indicate the information that has activated described ISR mechanism, described mobile services switching centre is determined at the described subscriber equipment of double nip paging to mobile services switching centre; Perhaps
Do not send indication and activated described ISR scheme information, described mobile services switching centre is determined at the described subscriber equipment of double nip paging to mobile services switching centre.
3. method according to claim 1 and 2 is characterized in that, the described information that whether activates ISR mechanism of obtaining comprises: the target side mobile management entity MME is obtained the information whether himself activates ISR mechanism;
If described not activation, then indicate mobile services switching centre to comprise: if do not activate at the described subscriber equipment of single interface paging, then described MME sends and indicates the information that does not activate described ISR mechanism to mobile services switching centre, and described mobile services switching centre is determined at the described subscriber equipment of SGs interface paging.
4. method according to claim 1 and 2 is characterized in that, the described information that whether activates ISR mechanism of obtaining comprises: target side Serving GPRS Support Node SGSN obtains the information that himself whether activates ISR mechanism;
If described not activation, then indicate mobile services switching centre to comprise: if do not activate at the described subscriber equipment of single interface paging, then described SGSN sends and indicates the information that does not activate described ISR mechanism to mobile services switching centre, and described mobile services switching centre is determined at the described subscriber equipment of Gs interface paging.
5. method according to claim 1 is characterized in that, the described information that whether activates ISR mechanism of obtaining comprises: source MME obtains the information that whether activates ISR mechanism from target side SGSN; Described method also comprises: described MME obtains the information whether this SGSN supports Gs interface from described SGSN;
If activation and described SGSN do not support Gs interface, then described MME sends and indicates the information that does not keep the SGs interface to mobile services switching centre, and described mobile services switching centre is determined at A interface or the described subscriber equipment of Iu-cs interface paging.
6. method according to claim 1 and 2, it is characterized in that, the described information that whether activates ISR mechanism of obtaining comprises: described subscriber equipment obtains the information that whether activates ISR mechanism after knowing that by broadcast message target side SGSN does not support the information of Gs interface from this SGSN;
If do not activate, then described subscriber equipment sends indicates the information that does not activate described ISR mechanism to mobile services switching centre, and described mobile services switching centre is determined at A interface or the described subscriber equipment of Iu-cs interface paging.
7. the system of a calling user device comprises the target side mobile management net element, and mobile services switching centre, it is characterized in that:
Described target side mobile management net element is used to obtain the information that whether activates ISR mechanism, when not activating, sends indication and does not activate the information of described ISR mechanism to described mobile services switching centre;
Described mobile services switching centre is used for determining at the described subscriber equipment of single interface paging after receiving the described information that does not activate described ISR mechanism.
8. system according to claim 7 is characterized in that, when described target side mobile management net element was SGSN, described single interface was a Gs interface; Perhaps,
When described target side mobile management net element was MME, described single interface was the SGs interface.
9. the system of a calling user device, comprising: subscriber equipment and mobile services switching centre is characterized in that:
Described subscriber equipment, after being used for knowing that by broadcast message the SGSN of target side Access Network does not support the information of Gs interface, obtain the information that whether activates ISR mechanism from this SGSN, when getting access to when not activating described ISR mechanism, send indication and do not activate the information of ISR mechanism to described mobile services switching centre;
Described mobile services switching centre is used for after receiving the information that does not activate ISR mechanism, determines at A interface or the described subscriber equipment of Iu-cs interface paging.
10. the system of a calling user device comprises: the source mobile management net element, and target side mobile management net element, and mobile services switching centre, described target side mobile management net element is SGSN, institute's source mobile management net element is MME, it is characterized in that:
Described MME, also be used for obtaining the information that whether activates ISR mechanism from described SGSN, obtain the information of whether supporting Gs interface with this SGSN, do not activate described ISR mechanism when getting access to, and when this SGSN does not support Gs interface, send the information that does not keep the SGs interface and arrive described mobile services switching centre;
Described mobile services switching centre is used for determining at A interface or the described subscriber equipment of Iu-cs interface paging after receiving the described message that does not keep the SGs interface message.
11. a mobile management net element is characterized in that, comprising:
Dispensing unit, be used for when subscriber equipment from the source Access Network when the target side Access Network moves, configuration carries the message of the information whether indication ISR mechanism activate;
Transmitting element is used to send described message to mobile services switching centre, so that described mobile services switching centre according to the described information that indicates whether to activate ISR mechanism, is identified for the interface of the described subscriber equipment of paging.
12. mobile management net element according to claim 11 is characterized in that, described mobile management net element is mobile management entity or Serving GPRS Support Node.
13. a mobile management entity is characterized in that, comprising:
Dispensing unit, be used for when subscriber equipment from the source Access Network when the target side Access Network moves, after the SGSN of knowing the target side Access Network did not activate ISR mechanism and this SGSN and do not support Gs interface, configuration carried the message of the information that does not keep the SGs interface;
Transmitting element is used to send described message to described mobile services switching centre, so that described mobile services switching centre according to the described information that does not keep the SGs interface, is determined at A interface or the described subscriber equipment of Iu-cs interface paging.
14. a mobile services switching centre comprises:
Receiving element, be used for when subscriber equipment from the source Access Network when the target side Access Network moves, receive the message carry the information that whether activates ISR mechanism;
Processing unit is used for according to described message, knows when not activating described ISR mechanism, determines at the described subscriber equipment of single interface paging; Know when the described ISR of activation is machine-processed, determine at the described subscriber equipment of double nip paging.
15. mobile services switching centre according to claim 14 is characterized in that, described single interface is one of following: SGs interface, Gs interface, A interface or Iu-cs interface; Described double nip is one of following: SGs interface and Gs interface, SGs interface and A interface or SGs interface and Iu-cs interface.
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| CN200810218967A CN101742647A (en) | 2008-11-07 | 2008-11-07 | Method and system for paging user equipment and mobile service switching center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113630757A (en) * | 2021-08-24 | 2021-11-09 | 中国联合网络通信集团有限公司 | Paging method, MSC and communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113630757A (en) * | 2021-08-24 | 2021-11-09 | 中国联合网络通信集团有限公司 | Paging method, MSC and communication system |
| CN113630757B (en) * | 2021-08-24 | 2022-08-02 | 中国联合网络通信集团有限公司 | Paging method, MSC and communication system |
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