CN103716774B - Public land mobile network selection method, equipment and system - Google Patents
Public land mobile network selection method, equipment and system Download PDFInfo
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- CN103716774B CN103716774B CN201210376023.3A CN201210376023A CN103716774B CN 103716774 B CN103716774 B CN 103716774B CN 201210376023 A CN201210376023 A CN 201210376023A CN 103716774 B CN103716774 B CN 103716774B
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Abstract
The embodiment of the invention provides a public land mobile network selection method, equipment and a system and relates to the field of communication. Users are enabled to accurately select a public land mobile network in the process of circuit domain fallback so that a circuit domain service can be provided for the user and accurate billing can be provided for the user. The method comprises the following steps: an attachment request accepting message or a location update request accepting message is sent to user equipment after registration or location update of the user equipment in a circuit switching (CS) domain are completed; and a circuit domain fallback public land mobile network list is acquired according to the attachment request accepting message or the location update request accepting message so that an available 2G or 3G network corresponding to a public land mobile network can be selected according to the circuit domain fallback public land mobile network list to process a CS domain service for a user terminal, wherein the circuit domain fallback public land mobile network list is a circuit domain fallback public land mobile network allowing list or a circuit domain fallback public land mobile network banning list. The public land mobile network selection method provided by the embodiment of the invention is used for public land mobile network selection.
Description
Technical field
The present invention relates to the communications field, more particularly, to a kind of system of selection of public land mobile network, equipment and system.
Background technology
3GPP (3rd Generation Partnership Project, third generation partner program) proposes CSFB
(Short Message Service over SGs is short to disappear for (CS Fallback, circuit domain dropping) technology and SMS over SGs
Breath transmission) technology.Wherein, SMS over SGs technology allows and resides in E-UTRAN (Evolved UMTS Territorial
Radio Access Network, the UMTS Terrestrial radio access network of evolution) under UE with existing CS (Circuit
Switched, circuit switching) domain equipment realizing the transmission of CS short message, and CSFB technology so that E-UTRAN is covered under UE
(User Equipment, user equipment) falls back to 2G or 3G network CS when needing and processing CS speech business by E-UTRAN
Domain finishing service is processed.
The Radio Access Network lower deployment cost heavy in order to greatly reduce operator, 3GPP proposes the think of of network share
Think, i.e. the PLMN (Public Land Mobile Network, public land mobile network) of multiple operators or a fortune
Multiple PLMN of battalion business, can share same Radio Access Network to provide radio communication service.For CSFB technology with
SMSover SGs technology, operator equally proposes the demand of CS domain network share, to the same UE residing under E-UTRAN,
Multiple available PLMN can be had to provide CS business for it.UE initiate joint attachment flow or combine tracking area update stream
Cheng Zhong, if there being multiple available PLMN to provide CS business for UE, MME is according to eNodeB (Evolved NodeB, evolved base
Stand) the tracking location information domain that is located of the PLMN that reports, current UE and operator's CS network selection policies, select one suitable
PLMN.Distribute a corresponding CS domain LAI based on the PLMN selecting with the tracking location information domain that UE is located to UE
(Location Area Identification, position domain identifier), and MSC or VLR of association is selected based on this LAI
(Mobile Switching Center or Visitor Location Register, mobile switching centre or visit position
Depositor).
But, be generally registered to the network of operator in UE after, the UE meeting corresponding PLMN of prioritizing selection LAI is so that UE returns
Fall 2G or 3G network, thus initiating CS domain business.But, in the prior art, it is corresponding less than LAI that UE is possible to selection
PLMN, now UE may select the corresponding 2G of available PLMN or the 3G network of another one operator, and complete in this network
Become to register and provide service as UE, to provide the user CS domain business, thus can return according to another one operator and this UE
Agreement between possession, to collect the charges, leads to UE billing issues.
Content of the invention
Embodiments of the invention provide a kind of system of selection of public land mobile network, equipment and system, can use
Family accurately selects public land mobile network to provide the user circuit domain business, thus being use during circuit domain dropping
Family provides accurate charging.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
In a first aspect, providing a kind of system of selection of public land mobile network, including：
Complete user equipment after the registration of circuit-switched CS domain or location updating, send attach request to user equipment
Received message or position updating request received message, so that described user equipment is according to described attach request received message or position
Update request received message and obtain circuit domain dropping public land mobile network list.
In the first mode in the cards, in conjunction with a first aspect, described circuit domain dropping public land mobile network
List is：
Circuit domain dropping public land mobile network allows list, and described circuit domain dropping public land mobile network allows
List includes the mark of available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, described circuit domain dropping public land mobile network is forbidden
List includes the mark of the public land mobile network of disabling.
Second aspect, provides a kind of system of selection of public land mobile network, including：
Receive attach request received message or position updating request received message from mobile management entity, and according to described attached
Request received message or position updating request received message obtains circuit domain dropping public land mobile network list；
Available public land mobile network is selected to correspond to according to described circuit domain dropping public land mobile network list
2G or 3G network be user terminal processes CS domain business.
In the first mode in the cards, in conjunction with second aspect, described according to described attach request received message or
Position updating request received message obtains circuit domain dropping public land mobile network list and includes：
If it is public that described attach request received message or position updating request received message include described circuit domain dropping
Land Mobile Network List, then directly obtain described from described attach request received message or position updating request received message
Circuit domain dropping public land mobile network list；
If described attach request received message or position updating request received message include CS domain position domain identifier and
The Location Area Identification of ps domain, does not include described circuit domain dropping public land mobile network list, then the position according to described CS domain
Put domain identifier and the Location Area Identification of ps domain generates or the described circuit domain dropping public land mobile network list of derivation.
In second mode in the cards, in conjunction with the first side in the cards of second aspect or second aspect
Formula, described circuit domain dropping public land mobile network list is：
Circuit domain dropping public land mobile network allows list, and described circuit domain dropping public land mobile network allows
List includes the mark of available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, described circuit domain dropping public land mobile network is forbidden
List includes the mark of the public land mobile network of disabling.
In the third mode in the cards, in conjunction with the first mode in the cards of second aspect or second aspect
Or the second mode in the cards of second aspect, being selected according to described circuit domain dropping public land mobile network list can
Public land mobile network includes：
If described circuit domain dropping public land mobile network list allows for circuit domain dropping public land mobile network
List, then select an available public land mobile network in described circuit domain dropping public land mobile network list；
If described circuit domain dropping public land mobile network list is forbidden for circuit domain dropping public land mobile network
List, then public in addition to all public land mobile networks except described circuit domain dropping public land mobile network list
An available public land mobile network is selected in land mobile network.
In the 4th kind of mode in the cards, in conjunction with the first mode in the cards of second aspect or second aspect
To the third mode in the cards, available public land is selected according to described circuit domain dropping public land mobile network list
The ground corresponding 2G of mobile network or 3G network include for user terminal processes CS domain business：
By the Non-Access Stratum of described user equipment by described circuit domain dropping public land mobile network list send to
The Access Layer of described user equipment, so that the Access Layer of described user equipment selects according to described public land mobile network list
One available public land mobile network, and selected and described public affairs according to the mark of described available public land mobile network
The corresponding 2G of mark of land mobile network or 3G network are user terminal processes CS domain business altogether.
In the 5th kind of mode in the cards, in conjunction with the first mode in the cards of second aspect or second aspect
To the 4th kind of mode in the cards, methods described also includes：
If selecting less than available public land mobile network, refusal processes CS domain business.
In the 6th kind of mode in the cards, in conjunction with the first mode in the cards of second aspect or second aspect
To the 5th kind of mode in the cards, after refusal processes CS domain business or after accepting this CS domain business, methods described
Also include：
If described user equipment is stationed duration in 2G or 3G network is more than or equal to preset duration threshold value, judge described
The type of user equipment；
If described user equipment is voice kind equipment or user preference, to be set to voice preferential, continue to quarter at 2G or
3G network；
If described user equipment is data kind equipment or user preference is set to high priority data, return Long Term Evolution
LTE network.
The third aspect, provides a kind of mobile management entity, including：
Transmitting element, for completing user equipment after the registration of circuit-switched CS domain or location updating, sets to user
Preparation send attach request received message or position updating request received message, so that described user equipment is according to described attach request
Received message or position updating request received message obtain circuit domain dropping public land mobile network list.
In the first mode in the cards, in conjunction with the third aspect, described circuit domain dropping public land mobile network
List is：
Circuit domain dropping public land mobile network allows list, and described circuit domain dropping public land mobile network allows
List includes the mark of available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, described circuit domain dropping public land mobile network is forbidden
List includes the mark of the public land mobile network of disabling.
Fourth aspect, provides a kind of user equipment, including：
Receiving unit, for accepting to disappear from mobile management entity reception attach request received message or position updating request
Breath, and the movement of circuit domain dropping public land is obtained according to described attach request received message or position updating request received message
Network list, and described circuit domain dropping public land mobile network list is sent to network selection unit；
Network selection unit, for receiving described circuit domain dropping public land mobile network list, root from receiving unit
Select available public land mobile network corresponding 2G or 3G net according to described circuit domain dropping public land mobile network list
Network is user terminal processes CS domain business.
In the first mode in the cards, in conjunction with fourth aspect, described list acquiring unit specifically for：
If it is public that described attach request received message or position updating request received message include described circuit domain dropping
Land Mobile Network List, then directly obtain described from described attach request received message or position updating request received message
Circuit domain dropping public land mobile network list；
If described attach request received message or position updating request received message include CS domain position domain identifier and
The Location Area Identification of ps domain, does not include described circuit domain dropping public land mobile network list, then the position according to described CS domain
Put domain identifier and the Location Area Identification of ps domain generates or the described circuit domain dropping public land mobile network list of derivation.
In second mode in the cards, in conjunction with the first side in the cards of fourth aspect or fourth aspect
Formula, described circuit domain dropping public land mobile network list is：
Circuit domain dropping public land mobile network allows list, and described circuit domain dropping public land mobile network allows
List includes the mark of available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, described circuit domain dropping public land mobile network is forbidden
List includes the mark of the public land mobile network of disabling.
In the third mode in the cards, in conjunction with the first mode in the cards of fourth aspect or fourth aspect
Or the second mode in the cards of fourth aspect, described network selection unit specifically for：
If described circuit domain dropping public land mobile network list allows for circuit domain dropping public land mobile network
List, then select an available public land mobile network in described circuit domain dropping public land mobile network list；
If described circuit domain dropping public land mobile network list is forbidden for circuit domain dropping public land mobile network
List, then public in addition to all public land mobile networks except described circuit domain dropping public land mobile network list
An available public land mobile network is selected in land mobile network.
In the 4th kind of mode in the cards, in conjunction with the first mode in the cards of fourth aspect or fourth aspect
To the third mode in the cards, described network selection unit specifically for：
By the Non-Access Stratum of described user equipment by described circuit domain dropping public land mobile network list send to
The Access Layer of described user equipment, so that the Access Layer of described user equipment selects according to described public land mobile network list
One available public land mobile network, and selected and described public affairs according to the mark of described available public land mobile network
The corresponding 2G of mark of land mobile network or 3G network are user terminal processes CS domain business altogether.
In the 5th kind of mode in the cards, in conjunction with the first mode in the cards of fourth aspect or fourth aspect
To the 4th kind of mode in the cards, described network selection unit is additionally operable to：
If selecting less than available public land mobile network, refusal processes CS domain business.
In the 6th kind of mode in the cards, in conjunction with the first mode in the cards of fourth aspect or fourth aspect
To the 5th kind of mode in the cards, described user equipment also includes：
Timing unit, if be stationed duration for described user equipment in 2G or 3G network to be more than or equal to preset duration threshold
Value, then judge the type of described user equipment；
If described network selection unit is additionally operable to, and described user equipment is voice kind equipment or user preference is set to language
Sound is preferential, then continue to quarter at 2G or 3G network；
If described network selection unit is additionally operable to, and described user equipment is data kind equipment or user preference is set to count
According to preferential, then return Long Term Evolution LTE network.
5th aspect, provides a kind of communication system, including mobile services switching centre or VLR Visitor Location Register, ownership place
Assigned user server, also includes：
Described mobile management entity；
Described user equipment.
Embodiments of the invention provide a kind of system of selection of public land mobile network, equipment and system, by complete
Become user equipment after the registration of circuit-switched CS domain, send attach request received message or position updating request to user equipment
Received message, can obtain circuit domain dropping public land according to attach request received message or position updating request received message
Mobile network's list, this circuit domain dropping public land mobile network list allows for circuit domain dropping public land mobile network
List or circuit domain dropping public land mobile network banned list, to arrange according to circuit domain dropping public land mobile network
It is user terminal processes CS domain business that table selects the corresponding 2G of available public land mobile network or 3G network, can make user
Public land mobile network is accurately selected to provide the user circuit domain business during circuit domain dropping, thus being user
Accurate charging is provided.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of system of selection flow chart of public land mobile network provided in an embodiment of the present invention；
Fig. 2 is the system of selection flow chart of another kind public land mobile network provided in an embodiment of the present invention；
A kind of system of selection flow chart of public land mobile network that Fig. 3 provides for further embodiment of this invention；
Fig. 4 will complete the schematic flow sheet of registration for a kind of user equipment that prior art provides in circuit-switched CS domain；
A kind of structural representation of mobile management entity that Fig. 5 provides for further embodiment of this invention；
A kind of user device architecture schematic diagram that Fig. 6 provides for further embodiment of this invention；
A kind of user device architecture schematic diagram that Fig. 7 provides for further embodiment of this invention；
A kind of communication system architecture schematic diagram that Fig. 8 provides for further embodiment of this invention；
A kind of mobile management entity structural representation that Fig. 9 provides for another embodiment of the present invention；
A kind of user device architecture schematic diagram that Figure 10 provides for another embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
It should be noted that：The PLMN list of the present invention acts on CSFB current business, that is,：When UE adheres in LTE domain by
CSFB has been caused to return back to circuit domain in CS business, this causes the CS business of CSFB is exactly CSFB current business.UE according to
PLMN list decides whether to continue or terminates CSFB current business.After this service ending, UE initiates other CS business again, is not subject to
PLMN list affects.
Above-mentioned CSFB business is crossed and is positioned (Location Control Service, LCS) including CSFB voice industry bar CSFB
Business, CSFB calling unrelated supplement (Call Independent Supplementary Service, CISS) business, CSFB are short
Messaging service.Particularly point out, the CSFB of the present embodiment includes LTE- ＞ 2 or 3G CSFB and LTE- ＞ 1xRTT, and (1x single carrier is no
Line transmission technology (Single-carrier Radio Transmission Technology)) CSFB.
The embodiment of the present invention provides a kind of system of selection of public land mobile network, based on mobile management entity side, such as
Shown in Fig. 1, including：
S101, completing user equipment after the registration of circuit-switched CS domain or location updating, mobile management entity to
Family equipment sends attach request received message or position updating request received message, so that user equipment accepts according to attach request
Message or position updating request received message obtain circuit domain dropping public land mobile network list so that user equipment is in electricity
During the domain dropping of road, the corresponding 2G of public land mobile network is selected according to circuit domain dropping public land mobile network list
Or 3G network processes CS domain business for user equipment.
Wherein, attach request received message or position updating request accept to include circuit domain dropping public land mobile network
List, is additionally may included in specified parameter in TS23.401, LAI (the Location Area in user equipment corresponding CS domain
Identification, position domain identifier), VLR TMSI (Visitor Location Register Temporary
Mobile SubscriberIdentity, visitor location register interim identity), PLMN list (equivalent of equal value
PLMN list) etc..
Public land mobile network corresponding 2G or 3G net is selected according to circuit domain dropping public land mobile network list
It can be directly to select public affairs according to this circuit domain dropping public land mobile network list that network processes CS domain business for user equipment
It is total to the corresponding 2G of land mobile network or 3G network or first according to attach request received message or position updating request
Position area (LAI, location area ID) in received message selects 2G or 3G network, in choosing less than suitable 2G or 3G net
After network, select public land mobile network corresponding 2G or 3G net further according to circuit domain dropping public land mobile network list
Network.
The embodiment of the present invention provides the system of selection of another kind of public land mobile network, based on user equipment side, such as Fig. 2
Shown, including：
S201, user equipment receive attach request received message from mobile management entity or position updating request accepts to disappear
Breath, and circuit domain dropping public land mobile network is obtained according to attach request received message or position updating request received message
List.
S202, user equipment select available public land to move according to circuit domain dropping public land mobile network list
The corresponding 2G of network or 3G network are user terminal processes CS domain business.
Alternatively, attach request received message or position updating request received message may also include a default duration
If threshold value, if select less than available public land mobile network for user equipment, when refusal processes CS domain business：
UE is stationed duration more than or equal to preset duration threshold value according in 2G or 3G network, judges the class of user equipment
Type；
If user equipment is voice kind equipment or user preference is set to voice preferentially, UE continues to quarter at 2G or 3G
Network；
If user equipment is data kind equipment or user preference is set to high priority data, UE returns Long Term Evolution LTE
Network.
Embodiments of the invention provide a kind of system of selection of public land mobile network, by existing completing user equipment
After the registration of circuit-switched CS domain or location updating, send attach request received message to user equipment or position updating request connects
By message, circuit domain dropping public land can be obtained according to attach request received message or position updating request received message and move
Dynamic network list, this circuit domain dropping public land mobile network list allows row for circuit domain dropping public land mobile network
Table or circuit domain dropping public land mobile network banned list, so that according to circuit domain dropping public land mobile network list
Select the corresponding 2G of available public land mobile network or 3G network to be user terminal processes CS domain business, user can be made to exist
Public land mobile network is accurately selected to provide the user circuit domain business during circuit domain dropping, thus carrying for user
For accurate charging.
Another embodiment of the present invention provides a kind of system of selection of public land mobile network, as shown in figure 3, including：
S301, completing user equipment after the registration of circuit-switched CS domain or location updating, mobile management entity to
Family equipment sends attach request received message or position updating request received message, so that user equipment accepts according to attach request
Message or position updating request received message obtain circuit domain dropping public land mobile network list.
Wherein, user equipment first has to complete registration or location updating in circuit-switched CS domain, as shown in figure 4, in circuit
Exchanging CS domain and completing registration is by starting the attached of the user equipment with CSFB (CS Fallback, circuit domain dropping) function
Flow process and be based on joint EPS or IMSI (Evolved Packet System or International Mobile
SubscriberIdentification Number, evolved packet system or international mobile subscriber identity) attachment flow or
Co-location is more newly arrived realization：
UE (User Equipment, user equipment) initiates network attachment flow process or co-location more new technological process, to MME
(Mobility Management Entity, mobile management entity) sends Attach Request message or co-location updates and asks
Ask, the type of attachment wherein adhered in message or co-location renewal request indicates that this is that united EPS or IMSI is attached
Flow process or co-location more new technological process, and indicate that UE possesses the ability of CSFB；
From type of attachment, MME learns that this is a united EPS or IMSI attachment flow or co-location more new technological process,
MME derives the LAI of an acquiescence according to the current LTE position area of UE, further according to the IMSI hash of LAI and TS23.236 definition
Function derives VLRnumber, when MME is receiving from HS S (Home Subscriber Service, attribution assigned user
Server) insertion subscriber data message after, MME starts to send location update request message to selected MSC or VLR；
MME sends location update request message to MSC or VLR, wherein location update request message include LAI, IMSI,
The IP address of MME, location updating type；
VLR stores the IP address of MME, and the SGs creating between MME associates；
VLR executes CS domain location updating and home position updates request and accepts message to MME；
It is meant that user equipment will complete to register in circuit-switched CS domain after completing above flow process, MME just can send out
Send attach request received message or co-location to update request and accept message to UE, now indicate that this user combine attachment or
Co-location updates success, and this user just can process CS domain business in the lte networks.Attach request received message
Or co-location update request received message include CS domain position domain identifier LAI (Location Area Indicator) and
The position area of ps domain indicates (TAI or TAI list).
S302, user equipment receive attach request received message from mobile management entity or position updating request accepts to disappear
Breath, and circuit domain dropping public land mobile network is obtained according to attach request received message or position updating request received message
List.
Alternatively, received message or position updating request received message can not include circuit domain dropping public land and move
Network list, specifically：
If attach request received message or position updating request received message include circuit domain dropping public land moving
Network list, then directly obtain the public land of circuit domain dropping from attach request received message or position updating request received message
Ground mobile network's list；
If attach request received message or position updating request received message include position domain identifier and the ps domain in CS domain
Location Area Identification, do not include circuit domain dropping public land mobile network list, then the position domain identifier according to CS domain and PS
The Location Area Identification in domain generates or derivation circuit domain dropping public land mobile network list
If S303 public land mobile network list allows list for public land mobile network, user equipment is in circuit
An available public land mobile network is selected in domain dropping public land mobile network list.
Exemplary, it is assumed that operator A has the corresponding PLMN of LTE network 1 in the case that non-network is shared
(Public Land Mobile Network, public land mobile network) and the 2G or corresponding PLMN of 3G network 2, in joint
In attaching process, UE registers in the 2G or the corresponding PLMN of 3G network 2 of operator A.UE initiate CSFB business fall back to 2G or
During 3G network, the 2G or the corresponding PLMN of 3G network 2 of UE meeting prioritizing selection operator A are that user processes CS business, but UE may
Select the 2G or the corresponding PLMN of 3G network 2 less than operator A, now, the Attach Request message that this UE just receives from MME
The circuit domain dropping public land mobile network including allows to select an available public land mobile network in list,
There is provided CS business by operator A for this UE eventually, to collect the charges according to the agreement between operator A and this UE ownership place, to enter
And it is user's accurate billing.
If S304 public land mobile network list is public land mobile network banned list, user equipment is except electricity
Select in public land mobile network outside all public land mobile networks of road domain dropping public land mobile network list
Select an available public land mobile network.
Exemplary, it is assumed that operator has the corresponding PLMN1 of LTE network and operator B in the case of network share
Have the 2G or corresponding PLMN2 of 3G network, between operator A and operator B, there is cooperation agreement.In joint attaching process,
The 2G or 3G network corresponding PLMN2 registration of the corresponding PLMN1 of LTE network and operator B in operator A for the UE, initiates in UE
When CSFB business falls back to 2G or 3G network, the 2G or the corresponding PLMN2 of 3G network of this UE meeting prioritizing selection operator B, but UE
The 2G or the corresponding PLMN2 of 3G network less than operator B, this UE may be selected may to select other available CS networks, this
When, the circuit domain dropping public land mobile network banned list that the Attach Request message that this UE can receive from MME includes
One available public land mobile network of middle selection, that is, remove all of circuit domain dropping public land mobile network banned list
An available public land mobile network is selected in public land mobile network outside public land mobile network, so,
This UE would not choose other available CS networks, and then produces accurate charging for user.
Further, user equipment selects available public land according to circuit domain dropping public land mobile network list
The corresponding 2G of mobile network or 3G network can be realized especially by the following manner：
Circuit domain dropping public land mobile network list is sent connecing to user equipment by the Non-Access Stratum of user equipment
Enter layer, so that the Access Layer of user equipment selects an available PLMN according to public land mobile network list
Network, and 2G or 3G corresponding with the mark of public land mobile network is selected according to the mark of available public land mobile network
Network is user terminal processes CS domain business.
In addition, according to circuit domain dropping public land mobile network list select the corresponding 2G of public land mobile network or
It can be directly to be selected according to this circuit domain dropping public land mobile network list that 3G network processes CS domain business for user equipment
Select the corresponding 2G of public land mobile network or 3G network or first according to attach request received message or location updating
Position area (LAI, location area ID) in request received message selects 2G or 3G network, choosing less than suitable 2G or
After 3G network, select corresponding 2G or 3G of public land mobile network further according to circuit domain dropping public land mobile network list
Network.
S305, user equipment judge whether to choose the corresponding 2G of available public land mobile network or 3G network；If
Choose the corresponding 2G of available public land mobile network or 3G network has then executed S306, if selecting less than executing
S307.
S306, user equipment are user according to the corresponding 2G of available public land mobile network choosing or 3G network
Terminal processes CS domain business.
Wherein, CS domain business includes but is not limited to CSFB speech business, CSFB LCS (CSFB Location
Control Service, CSFB position) business, CSFB CISS (CSFB Call Independent Supplementary
Service, CSFB call unrelated supplement) business and CSFB short message service etc..
S307, user equipment refusal process CS domain business.
Alternatively, attach request received message or position updating request received message may also include a preset duration threshold
Value, accepts or can start intervalometer after refusing current CS business to be judged in user equipment：
If S308 user equipment is stationed duration in 2G or 3G network is more than or equal to preset duration threshold value, judge to use
The type of family equipment.
Exemplary, UE quarters at 2G or 3G network, starts intervalometer it is assumed that preset duration threshold value is 30 seconds, when UE exists
When 2G or 3G network were stationed duration more than 30 seconds, UE can decide whether according to the type of its own to quarter at 2G or 3G net
Network.
If S309 user equipment is voice kind equipment or user preference is set to voice preferentially, continue to quarter at 2G
Or 3G network.
If S310 user equipment is data kind equipment or user preference is set to high priority data, return Long Term Evolution
LTE network.
Embodiments of the invention provide a kind of system of selection of public land mobile network, by existing completing user equipment
After the registration of circuit-switched CS domain or location updating, send attach request received message to user equipment or position updating request connects
By message, circuit domain dropping public land can be obtained according to attach request received message or position updating request received message and move
Dynamic network list, this circuit domain dropping public land mobile network list allows row for circuit domain dropping public land mobile network
Table or circuit domain dropping public land mobile network banned list, so that according to circuit domain dropping public land mobile network list
Select the corresponding 2G of available public land mobile network or 3G network to be user terminal processes CS domain business, user can be made to exist
Public land mobile network is accurately selected to provide the user circuit domain business during circuit domain dropping, thus carrying for user
For accurate charging.
Further embodiment of this invention provides a kind of mobile management entity 01, as shown in figure 5, can include：
Transmitting element 011, for completing user equipment after the registration of circuit-switched CS domain or location updating, to user
Equipment sends attach request received message or position updating request received message, so that user equipment accepts to disappear according to attach request
Breath or position updating request received message obtain circuit domain dropping public land mobile network list so that user equipment is in circuit
During domain dropping according to circuit domain dropping public land mobile network list select the corresponding 2G of public land mobile network or
3G network processes CS domain business for user equipment.
Further, circuit domain dropping public land mobile network list can be：
Circuit domain dropping public land mobile network allows list, and circuit domain dropping public land mobile network allows list
Mark including available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, circuit domain dropping public land mobile network banned list
Mark including the public land mobile network of disabling.
Embodiments of the invention provide a kind of mobile management entity, by completing user equipment in circuit-switched CS domain
After registration or location updating, send attach request received message or position updating request received message to user equipment, according to attached
Request received message or position updating request received message can obtain circuit domain dropping public land mobile network list, should
Circuit domain dropping public land mobile network list allows list or circuit domain to return for circuit domain dropping public land mobile network
Fall public land mobile network banned list, to select available public affairs according to circuit domain dropping public land mobile network list
The corresponding 2G of land mobile network or 3G network are user terminal processes CS domain business altogether, can make user in circuit domain dropping mistake
Public land mobile network is accurately selected to provide the user circuit domain business in journey, thus providing the user accurate meter
Take.
Further embodiment of this invention provides a kind of user equipment 02, as shown in fig. 6, including：
List acquiring unit 021, for receiving attach request received message or position updating request from mobile management entity
Received message, and the shifting of circuit domain dropping public land is obtained according to attach request received message or position updating request received message
Dynamic network list, and circuit domain dropping public land mobile network list is sent to network selection unit.
Network selection unit 022, for from receiving unit 021 receiving circuit domain dropping public land mobile network list,
The corresponding 2G of available public land mobile network or 3G network are selected according to circuit domain dropping public land mobile network list
For user terminal processes CS domain business.
Further, list acquiring unit 021 can be specifically for：
If attach request received message or position updating request received message include circuit domain dropping public land moving
Network list, then directly obtain the public land of circuit domain dropping from attach request received message or position updating request received message
Ground mobile network's list；
If attach request received message or position updating request received message include position domain identifier and the ps domain in CS domain
Location Area Identification, do not include circuit domain dropping public land mobile network list, then the position domain identifier according to CS domain and PS
The Location Area Identification in domain generates or derivation circuit domain dropping public land mobile network list.
Further, circuit domain dropping public land mobile network list can be：
Circuit domain dropping public land mobile network allows list, and circuit domain dropping public land mobile network allows list
Mark including available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, circuit domain dropping public land mobile network banned list
Mark including the public land mobile network of disabling.
Further, network selection unit 022 can be specifically for：
If circuit domain dropping public land mobile network list allows list for circuit domain dropping public land mobile network,
In circuit domain dropping public land mobile network list, then select an available public land mobile network；
If circuit domain dropping public land mobile network list is circuit domain dropping public land mobile network banned list,
Then the public land in addition to all public land mobile networks except circuit domain dropping public land mobile network list moves
An available public land mobile network is selected in network.
Further, network selection unit 022 can also be specifically for：
By the Non-Access Stratum of user equipment, circuit domain dropping public land mobile network list is sent to user equipment
Access Layer so that the Access Layer of user equipment selects an available public land to move according to public land mobile network list
Dynamic network, and 2G corresponding with the mark of public land mobile network is selected according to the mark of available public land mobile network
Or 3G network is user terminal processes CS domain business.
Further, network selection unit 022 can be also used for：
If selecting less than available public land mobile network, refusal processes CS domain business.
Further, as shown in fig. 7, user equipment 02 can also include：
Timing unit 023, if be stationed duration for user equipment 02 in 2 or 3G network to be more than or equal to preset duration threshold
Value, then judge the type of user equipment.
If network selection unit 022 can be also used for, and user equipment 02 is voice kind equipment or user preference is set to language
Sound is preferential, then continue to quarter at 2 or 3G network.
If network selection unit 022 can be also used for, and user equipment 02 is data kind equipment or user preference is set to count
According to preferential, then return Long Term Evolution LTE network.
Embodiments of the invention provide a kind of user equipment, by completing the registration in circuit-switched CS domain for the user equipment
Or after location updating, send attach request received message or position updating request received message to user equipment, please according to attachment
Ask received message or position updating request received message can obtain circuit domain dropping public land mobile network list, this circuit
Domain dropping public land mobile network list allows list or circuit domain dropping public for circuit domain dropping public land mobile network
Land mobile network banned list altogether, to select available public land according to circuit domain dropping public land mobile network list
The ground corresponding 2G of mobile network or 3G network are user terminal processes CS domain business, can make user during circuit domain dropping
Public land mobile network is accurately selected to provide the user circuit domain business, thus providing the user accurate charging.
Further embodiment of this invention provides a kind of communication system 1, deposits including mobile services switching centre or vision location
Device 03, attribution assigned user server 04, as shown in figure 8, also include：The mobile management entity 01 that previous embodiment provides,
User equipment 02.
The embodiment of the present invention provides a kind of communication system, by complete user equipment in the registration of circuit-switched CS domain or
After location updating, send attach request received message or position updating request received message to user equipment, according to attach request
Received message or position updating request received message can obtain circuit domain dropping public land mobile network list, this circuit domain
Falling public land mobile network list after rise allows list or circuit domain dropping public for circuit domain dropping public land mobile network
Land mobile network banned list, to select available public land according to circuit domain dropping public land mobile network list
The corresponding 2G of mobile network or 3G network are user terminal processes CS domain business, and user can be made accurate during circuit domain dropping
True selection public land mobile network providing the user circuit domain business, thus providing the user accurate charging..
Another embodiment of the present invention provides a kind of mobile management entity 03, as shown in figure 9, include the first receiver 032, the
One memorizer 033, first processor 034, also include：
First transmitter 031, for completing user equipment 02 after the registration of circuit-switched CS domain or location updating, to
User equipment sends attach request received message or position updating request received message, so that user equipment connects according to attach request
Obtained circuit domain dropping public land mobile network list by message or position updating request received message so that user equipment exists
Select public land mobile network corresponding according to circuit domain dropping public land mobile network list during circuit domain dropping
2G or 3G network process CS domain business for user equipment.
Further, the circuit domain dropping public land mobile network list in the first transmitter 031 can be：
Circuit domain dropping public land mobile network allows list, and circuit domain dropping public land mobile network allows list
Mark including available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, circuit domain dropping public land mobile network banned list
Mark including the public land mobile network of disabling.
Embodiments of the invention provide a kind of mobile management entity, by completing user equipment in circuit-switched CS domain
After registration or location updating, send attach request received message or position updating request received message to user equipment, according to attached
Request received message or position updating request received message can obtain circuit domain dropping public land mobile network list, should
Circuit domain dropping public land mobile network list allows list or circuit domain to return for circuit domain dropping public land mobile network
Fall public land mobile network banned list, to select available public affairs according to circuit domain dropping public land mobile network list
The corresponding 2G of land mobile network or 3G network are user terminal processes CS domain business altogether, can make user in circuit domain dropping mistake
Public land mobile network is accurately selected to provide the user circuit domain business in journey, thus providing the user accurate meter
Take.
Another embodiment of the present invention provides a kind of user equipment 04, as shown in Figure 10, including second memory 043 and second
Transmitter 044, also includes：
Second receiver 041, for connecing from mobile management entity reception attach request received message or position updating request
By message, and the movement of circuit domain dropping public land is obtained according to attach request received message or position updating request received message
Network list, circuit domain dropping public land mobile network list is sent to second processing device 042.
Second processing device 042, for from receiving unit receiving circuit domain dropping public land mobile network list, according to electricity
It is user that road domain dropping public land mobile network list selects the corresponding 2G of available public land mobile network or 3G network
Terminal processes CS domain business.
Further, second processing device 042 can be specifically for：
If attach request received message or position updating request received message include circuit domain dropping public land moving
Network list, then directly obtain the public land of circuit domain dropping from attach request received message or position updating request received message
Ground mobile network's list；
If attach request received message or position updating request received message include position domain identifier and the ps domain in CS domain
Location Area Identification, do not include circuit domain dropping public land mobile network list, then the position domain identifier according to CS domain and PS
The Location Area Identification in domain generates or derivation circuit domain dropping public land mobile network list.
Further, the circuit domain dropping public land mobile network list in the second receiver 041 can be：
Circuit domain dropping public land mobile network allows list, and circuit domain dropping public land mobile network allows list
Mark including available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, circuit domain dropping public land mobile network banned list
Mark including the public land mobile network of disabling.
Further, second processing device 042 can be specifically for：
If circuit domain dropping public land mobile network list allows list for circuit domain dropping public land mobile network,
In circuit domain dropping public land mobile network list, then select an available public land mobile network；
If circuit domain dropping public land mobile network list is circuit domain dropping public land mobile network banned list,
Then the public land in addition to all public land mobile networks except circuit domain dropping public land mobile network list moves
An available public land mobile network is selected in network.
Further, second processing device 042 can also be specifically for：
By the Non-Access Stratum of user equipment, circuit domain dropping public land mobile network list is sent to user equipment
Access Layer so that the Access Layer of user equipment selects an available public land to move according to public land mobile network list
Dynamic network, and 2G corresponding with the mark of public land mobile network is selected according to the mark of available public land mobile network
Or 3G network is user terminal processes CS domain business.
Further, user equipment 04 can be also used for：
If selecting less than available public land mobile network, refusal processes CS domain business.
Further, user equipment 04 can also include：
If user equipment is stationed duration in 2 or 3G network is more than or equal to preset duration threshold value, judge user equipment
Type；
If user equipment is voice kind equipment, continue to quarter at 2 or 3G network；
If user equipment is data kind equipment, return Long Term Evolution LTE network.
Embodiments of the invention provide a kind of user equipment, by completing the registration in circuit-switched CS domain for the user equipment
Or after location updating, send attach request received message or position updating request received message to user equipment, please according to attachment
Ask received message or position updating request received message can obtain circuit domain dropping public land mobile network list, this circuit
Domain dropping public land mobile network list allows list or circuit domain dropping public for circuit domain dropping public land mobile network
Land mobile network banned list altogether, to select available public land according to circuit domain dropping public land mobile network list
The ground corresponding 2G of mobile network or 3G network are user terminal processes CS domain business, can make user during circuit domain dropping
Public land mobile network is accurately selected to provide the user circuit domain business, thus providing the user accurate charging..
It should be understood that disclosed system, equipment and method in several embodiments provided herein, permissible
Realize by another way.For example, apparatus embodiments described above are only schematically, for example, described unit
Divide, only a kind of division of logic function, actual can have other dividing mode when realizing, for example multiple units or assembly
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not execute.Another, shown or
The coupling each other discussing or direct-coupling or communication connection can be by some interfaces, the indirect coupling of device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
In addition, in the equipment and system in each embodiment of the present invention, each functional unit can be integrated in a process
In unit or the independent physics of unit includes it is also possible to two or more units are integrated in a unit.
And above-mentioned each unit both can be to be realized in the form of hardware, it would however also be possible to employ the form that hardware adds SFU software functional unit is real
Existing.
The all or part of step realizing said method embodiment can be completed by the related hardware of programmed instruction, front
The program stated can be stored in a computer read/write memory medium, and upon execution, it is real that execution includes said method to this program
The step applying example；And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (Read Only Memory, referred to as
ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various can store
The medium of program code.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by described scope of the claims.
Claims (19)
1. a kind of system of selection of public land mobile network is it is characterised in that include：
Complete user equipment after the registration of circuit-switched CS domain or location updating, sending attach request to user equipment and accept
Message or position updating request received message, so that described user equipment is according to described attach request received message or location updating
Request received message obtains circuit domain dropping public land mobile network list, is moved according to described circuit domain dropping public land
It is that described user equipment processes CS domain business that network list selects the corresponding 2G of available public land mobile network or 3G network.
2. method according to claim 1 is it is characterised in that described circuit domain dropping public land mobile network list
For:
Circuit domain dropping public land mobile network allows list, and described circuit domain dropping public land mobile network allows list
Mark including available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, described circuit domain dropping public land mobile network banned list
Mark including the public land mobile network of disabling.
3. a kind of system of selection of public land mobile network is it is characterised in that include：
Receive attach request received message or position updating request received message from mobile management entity, and please according to described attachment
Received message or position updating request received message is asked to obtain circuit domain dropping public land mobile network list；
The corresponding 2G of available public land mobile network is selected according to described circuit domain dropping public land mobile network list
Or 3G network processes CS domain business for user equipment.
4. method according to claim 3 it is characterised in that described according to described attach request received message or position more
New request received message obtains circuit domain dropping public land mobile network list and includes：
If described attach request received message or position updating request received message include described circuit domain dropping public land
Mobile network's list, then directly obtain described circuit from described attach request received message or position updating request received message
Domain dropping public land mobile network list；
If described attach request received message or position updating request received message include position domain identifier and the ps domain in CS domain
Location Area Identification, do not include described circuit domain dropping public land mobile network list, then the position field according to described CS domain
The Location Area Identification of mark and ps domain generates or the described circuit domain dropping public land mobile network list of derivation.
5. method according to claim 4 is it is characterised in that described circuit domain dropping public land mobile network list
For:
Circuit domain dropping public land mobile network allows list, and described circuit domain dropping public land mobile network allows list
Mark including available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, described circuit domain dropping public land mobile network banned list
Mark including the public land mobile network of disabling.
6. the method according to claim 4 or 5 is it is characterised in that according to described circuit domain dropping PLMN
Network list selects available public land mobile network to include：
If described circuit domain dropping public land mobile network list allows list for circuit domain dropping public land mobile network,
In described circuit domain dropping public land mobile network list, then select an available public land mobile network；
If described circuit domain dropping public land mobile network list is circuit domain dropping public land mobile network banned list,
The then public land in addition to all public land mobile networks except described circuit domain dropping public land mobile network list
An available public land mobile network is selected in mobile network.
7. the method according to claim 4 or 5 is it is characterised in that according to described circuit domain dropping PLMN
Network list selects the corresponding 2G of available public land mobile network or 3G network to include for user equipment process CS domain business：
By the Non-Access Stratum of described user equipment, described circuit domain dropping public land mobile network list is sent to described
The Access Layer of user equipment, so that the Access Layer of described user equipment selects one according to described public land mobile network list
Available public land mobile network, and selected and described public land according to the mark of described available public land mobile network
The corresponding 2G of mark of ground mobile network or 3G network process CS domain business for user equipment.
8. the method according to claim 4 or 5 is it is characterised in that methods described also includes：
If selecting less than available public land mobile network, refusal processes CS domain business.
9. method according to claim 8 is it is characterised in that after refusal processes CS domain business, methods described is also wrapped
Include：
If described user equipment is stationed duration in 2G or 3G network is more than or equal to preset duration threshold value, judge described user
The type of equipment；
If described user equipment is voice kind equipment or user preference is set to voice preferentially, continue to quarter at 2G or 3G net
Network；
If described user equipment is data kind equipment or user preference is set to high priority data, return Long Term Evolution LTE net
Network.
10. a kind of mobile management entity is it is characterised in that include：
Transmitting element, for completing user equipment after the registration of circuit-switched CS domain or location updating, sends out to user equipment
Send attach request received message or position updating request received message, so that described user equipment accepts according to described attach request
Message or position updating request received message obtain circuit domain dropping public land mobile network list, are returned according to described circuit domain
It is at user equipment that the public land mobile network list that falls selects the corresponding 2G of available public land mobile network or 3G network
Reason CS domain business.
11. mobile management entities according to claim 10 are it is characterised in that described circuit domain dropping public land moves
Network list is:
Circuit domain dropping public land mobile network allows list, and described circuit domain dropping public land mobile network allows list
Mark including available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, described circuit domain dropping public land mobile network banned list
Mark including the public land mobile network of disabling.
A kind of 12. user equipmenies are it is characterised in that include：
List acquiring unit, for accepting to disappear from mobile management entity reception attach request received message or position updating request
Breath, and the movement of circuit domain dropping public land is obtained according to described attach request received message or position updating request received message
Network list, and described circuit domain dropping public land mobile network list is sent to network selection unit；
Network selection unit, for receiving described circuit domain dropping public land mobile network list from receiving unit, according to institute
State the circuit domain dropping public land mobile network list selection corresponding 2G of available public land mobile network or 3G network is
User equipment processes CS domain business.
13. user equipmenies according to claim 12 it is characterised in that described list acquiring unit specifically for：
If described attach request received message or position updating request received message include described circuit domain dropping public land
Mobile network's list, then directly obtain described circuit from described attach request received message or position updating request received message
Domain dropping public land mobile network list；
If described attach request received message or position updating request received message include position domain identifier and the ps domain in CS domain
Location Area Identification, do not include described circuit domain dropping public land mobile network list, then the position field according to described CS domain
The Location Area Identification of mark and ps domain generates or the described circuit domain dropping public land mobile network list of derivation.
14. user equipmenies according to claim 12 or 13 are it is characterised in that described circuit domain dropping public land moves
Network list is:
Circuit domain dropping public land mobile network allows list, and described circuit domain dropping public land mobile network allows list
Mark including available public land mobile network；Or
Circuit domain dropping public land mobile network banned list, described circuit domain dropping public land mobile network banned list
Mark including the public land mobile network of disabling.
15. user equipmenies according to claim 12 or 13 it is characterised in that described network selection unit specifically for：
If described circuit domain dropping public land mobile network list allows list for circuit domain dropping public land mobile network,
In described circuit domain dropping public land mobile network list, then select an available public land mobile network；
If described circuit domain dropping public land mobile network list is circuit domain dropping public land mobile network banned list,
The then public land in addition to all public land mobile networks except described circuit domain dropping public land mobile network list
An available public land mobile network is selected in mobile network.
16. user equipmenies according to claim 12 or 13 it is characterised in that described network selection unit specifically for：
By the Non-Access Stratum of described user equipment, described circuit domain dropping public land mobile network list is sent to described
The Access Layer of user equipment, so that the Access Layer of described user equipment selects one according to described public land mobile network list
Available public land mobile network, and selected and described public land according to the mark of described available public land mobile network
The corresponding 2G of mark of ground mobile network or 3G network process CS domain business for user equipment.
17. user equipmenies according to claim 12 or 13 are it is characterised in that described network selection unit is additionally operable to：
If selecting less than available public land mobile network, refusal processes CS domain business.
18. user equipmenies according to claim 17 are it is characterised in that described user equipment also includes：
Timing unit, if being stationed duration for described user equipment in 2G or 3G network to be more than or equal to preset duration threshold value,
Then judge the type of described user equipment；
If described network selection unit is additionally operable to described user equipment, and to be that voice kind equipment or user preference are set to voice excellent
First, then continue to quarter at 2G or 3G network；
If described network selection unit is additionally operable to described user equipment, and to be that data kind equipment or user preference are set to data excellent
First, then return Long Term Evolution LTE network.
A kind of 19. communication systems, including mobile services switching centre or VLR Visitor Location Register, attribution assigned user service
Device is it is characterised in that also include：
Mobile management entity as described in claim 10 or 11；
User equipment as described in claim 12 to 18 any one.
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| CN201210376023.3A CN103716774B (en) | 2012-09-29 | 2012-09-29 | Public land mobile network selection method, equipment and system |
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|---|---|---|---|
| CN201210376023.3A CN103716774B (en) | 2012-09-29 | 2012-09-29 | Public land mobile network selection method, equipment and system |
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| US9992760B2 (en) | 2014-05-12 | 2018-06-05 | Huawei Technologies Co., Ltd. | Method for updating RPLMN information and user equipment |
| CN105813170A (en) * | 2014-12-30 | 2016-07-27 | 中兴通讯股份有限公司 | Terminal and method for terminal to select network |
| CN104869615B (en) * | 2015-04-30 | 2017-02-08 | 广东欧珀移动通信有限公司 | Network access method and mobile communication terminal |
| CN104902533B (en) | 2015-04-30 | 2016-12-28 | 广东欧珀移动通信有限公司 | A kind of method for network access and mobile communication terminal |
| CN106878975B (en) * | 2017-02-03 | 2019-10-18 | Oppo广东移动通信有限公司 | A kind of method and device of terminal access cell |
| US11457402B2 (en) * | 2017-08-09 | 2022-09-27 | Lenovo (Singapore) Pte. Ltd. | Method and apparatus for discovery and access of restricted local services for unauthenticated UEs |
| CN107613488B (en) * | 2017-11-07 | 2021-10-22 | 奇酷互联网络科技（深圳）有限公司 | Call abnormity processing method and device and mobile terminal |
| CN107889109B (en) * | 2017-12-01 | 2021-07-20 | Oppo广东移动通信有限公司 | Method and device for detecting network access result and computer storage medium |
| US20190313311A1 (en) * | 2018-04-09 | 2019-10-10 | Mediatek Inc. | Apparatuses, service networks, and methods for handling plmn-specific parameters for an inter-plmn handover |
| CN112752314B (en) * | 2019-10-30 | 2022-06-28 | 大唐移动通信设备有限公司 | EPS (evolved packet System) fallback method and device, core network equipment and base station |
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