CN107959970A - Obtain method, system and the relevant device of the positional information of VoWiFi user - Google Patents
Obtain method, system and the relevant device of the positional information of VoWiFi user Download PDFInfo
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- CN107959970A CN107959970A CN201610901825.XA CN201610901825A CN107959970A CN 107959970 A CN107959970 A CN 107959970A CN 201610901825 A CN201610901825 A CN 201610901825A CN 107959970 A CN107959970 A CN 107959970A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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Abstract
The invention discloses a kind of method, system and the evolution packet data gateway of the positional information for obtaining VoWiFi user, it is related to wireless communication technology field.The technology of application network device virtualization of the present invention shuts the multiple virtual machines of configuration in evolution Packet Data Network, realize the evolution packet data gateway vePDG of virtualization, different virtual machines corresponds to the VoWiFi data of different regional networks, the information of corresponding regional network is can determine that by obtaining the mark of virtual machine in the positional information of the edge network inquiry user of IMS core net, so as to obtain the positional information of user, it is added in follow-up call signaling, the positional information for solving the problems, such as VoWiFi user can not obtain, and lift user experience.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of side for the positional information for obtaining VoWiFi user
Method, system and evolution packet data gateway.
Background technology
(IP Multimedia Subsystem, IP is more by IMS by LTE (Long Term Evolution, Long Term Evolution)
Media subsystem) speech business is provided, at the initial stage of deployment, it is difficult to provide continuous covering, in order to accelerate speech business to dispose, portion
Divide operator to consider to access IMS network by WLAN, so as to extend LTE coverings, and then strengthen what IMS speech businesses covered
Purpose.WLAN can with access IMS network by three kinds of modes, be respectively S2a modes, S2b modes, S2c modes.Wherein, S2b connects
Enter WLAN access of the mode based on non-credit, wlan network is not required in itself, can be to greatest extent using existing various
WLAN hot spot, therefore be widely used for carrying out VoWiFi (voice service traffic based on WiFi).
Can only be reported in current VoWiFi technical solutions, in process of user calling current AP (Access Point, wirelessly
Access point) MAC (Medium Access Control, media access control) address, and the MAC Address of AP and LTE base station
CELL ID (cell ID) are different, are not that operator plans, therefore can not obtain the positional information of user, so as to easily lead
The missing of reason calling area and cause billing error, or some call business (such as urgent call) based on area information
The problems such as being unable to correct route.
The content of the invention
A technical problem to be solved by this invention is：How the positional information of VoWiFi user is obtained.
According to an aspect of the present invention, there is provided a kind of acquisition VoWiFi user positional information method, including：Drill
Into packet data gateway ePDG receiving areas net based on the language of WiFi because of business VoWiFi data；Evolution packet data gateway
EPDG distributes the VoWiFi data of different regional networks to different virtual machines, and is transmitted to IP multimedia subsystem IMS cores
Heart net, so that IMS core network edge network element obtains the mark of virtual machine, and the area according to where the mark of virtual machine obtains user
Domain net information.
According to the second aspect of the invention, there is provided a kind of evolution packet data gateway, including：Data reception module,
For receiving area net based on the language of WiFi because of business VoWiFi data；Control module is accessed, for by different regional networks
VoWiFi data distribute to different virtual machines, and IP multimedia subsystem IMS core net is transmitted to, so as to IMS core net
Edge network obtains the mark of virtual machine, and the area network information according to where the mark of virtual machine obtains user.
According to the third aspect of the present invention, there is provided a kind of acquisition VoWiFi user positional information system, including：
The evolution packet data gateway of previous embodiment, further includes IP multimedia subsystem IMS core network edge network element；IMS core net
Edge network, the mark of the virtual machine on the corresponding evolution packet data gateway ePDG of VoWiFi data for obtaining user,
And the area network information according to where the mark of virtual machine obtains user.
The technology of application network device virtualization of the present invention shuts the multiple virtual machines of configuration in evolution Packet Data Network, realizes
The evolution packet data gateway vePDG of virtualization, different virtual machines corresponds to the VoWiFi data of different regional networks, in IMS
During the positional information of the edge network inquiry user of core net corresponding regional network is can determine that by obtaining the mark of virtual machine
Information, so as to obtain the positional information of user, be added in follow-up call signaling, solve VoWiFi user position letter
The problem of breath can not obtain, lifts user experience.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 shows the flow signal of the method for the positional information of the acquisition VoWiFi user of one embodiment of the present of invention
Figure.
Fig. 2 shows the flow signal of the method for the positional information of the acquisition VoWiFi user of an alternative embodiment of the invention
Figure.
Fig. 3 shows the system architecture of the method for the positional information of the acquisition VoWiFi user of an alternative embodiment of the invention
Schematic diagram.
Fig. 4 shows the structure diagram of the evolution packet data gateway of one embodiment of the present of invention.
Fig. 5 shows the structural representation of the system of the positional information of the acquisition VoWiFi user of one embodiment of the present of invention
Figure.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, belong to the scope of protection of the invention.
For in the prior art, the positional information of user can not be obtained, thus be easy to cause because of the missing of calling area and
Cause billing error, or the problems such as some call business (such as urgent call) based on area information are unable to correct route,
It is proposed this programme.
With reference to the method for the positional information of the acquisition VoWiFi user of Fig. 1 description present invention.
Fig. 1 is the flow chart of the method one embodiment for the positional information that the present invention obtains VoWiFi user.Such as Fig. 1 institutes
Show, the method for the embodiment includes：
Step S102, the VoWiFi data of evolution packet data gateway receiving area net.
Wherein, regional network is, for example, city-level communication network, and (evolved Packet Data Gateway, evolution are grouped ePDG
Data gateway) it is, for example, provincial ePDG, the VoWiFi data of each city-level communication network pass through ePDG core network access.Specifically,
In region, net side sets convergence BRAS (Broadband Remote Access Server, Broadband Remote Access Server), will
The VoWiFi data of the same area net are converged, by converging the VxLAN (Virtual established between BRAS and ePDG
Extensible Local Area Network, virtual LAN) by the VoWiFi data sendings of regional network to ePDG, it is different
Regional network correspond to different convergence BRAS, different convergence BRAS it is different from ePDG settings VxLAN transmission data.VoWiFi
Data be, for example, VoWiFi user log-on data or VoWiFi user calling caused by data.
Step S104, evolution packet data gateway distribute the VoWiFi data of different regional networks to different virtual
Machine, and it is transmitted to IMS core net.
Wherein, application network device virtualization technology sets multiple virtual machines in ePDG sides, you can realizes virtualization
EPDG, i.e. vePDG (virtual evolved Packet Data Gateway, virtual evolution packet data gateway) are different
Virtual machine answers the VoWiFi data that different convergence BRAS is sent by VxLAN.EPDG is stored with VxLAN marks
VxLAN port numbers) correspondence with virtual machine mark, the correspondence identified according to the mark of VxLAN and virtual machine will be each
The VoWiFi data of a regional network are distributed to corresponding virtual machine.
Further, VoWiFi data are transmitted to PGW (Public Data Network by corresponding virtual machine
Gateway, public data network gateway), into IMS core net.At this time, the corresponding void of VoWiFi data of PGW posting fields net
The mark of plan machine, specifically, the mark of user is carried for the VoWiFi data of each user, for example, IMSI
(International Mobile Subscriber Identification, international mobile subscriber identity), PGW can remember
The correspondence of the mark of each user and the mark of virtual machine under record.
Step S106, IMS core network edge network element inquire about the positional information of user, obtain the mark of virtual machine.
Wherein, core network edge network element is, for example, that (Border Access Controller, edge access control are set BAC
It is standby) or P-CSCF (Proxy Call Session Control Function, agent call conversation control entity)
Specifically, IMS core network edge network element needs the positional information for obtaining user to carry out in response to calling of user etc.
Follow-up call proceeding or charging etc., customer position information is inquired about to PGW, carries user's in the inquiry request sent to PGW
The correspondence of mark, the mark of the user of PGW inquiry storages and the mark of virtual machine, user is returned to core network edge network element
The mark of corresponding virtual machine.
Step S108, area network information of the IMS core network edge network element according to where the mark of virtual machine obtains user.
Wherein, area network information represents the positional information of user, is, for example, existing operator drawing according to administrative region
Point and the area code formulated or according to the numbering in other Rulemaking regions, such as Beijing is 010.User is obtained to work as
The information of the regional network at preceding place, user can directly connect when calling is currently located the number or placement of emergency calls in region
The logical number for being currently located region, without dialing area code etc..IMS core network edge network element is stored with mark and the region of virtual machine
The correspondence of net information, the information for the regional network that user is currently located can be directly acquired according to the mark of virtual machine.
Further, IMS core network edge network element is for example by area network information write-in PANI (the access networks where user
Information header field) message access-domain (access domain) field, and send to other network elements of core net, so as to core net its
His network element obtains the area network information where user, carries out call proceeding or charging etc..
The method of above-described embodiment, it is multiple that the technology of application network device virtualization in evolution Packet Data Network shuts configuration
Virtual machine, realizes the evolution packet data gateway vePDG of virtualization, and different virtual machines corresponds to the VoWiFi of different regional networks
Data, can determine that pair in the positional information of the edge network inquiry user of IMS core net by obtaining the mark of virtual machine
The information for the regional network answered, so as to obtain the positional information of user, is added in follow-up call signaling, solves VoWiFi use
The problem of positional information at family can not obtain, lifts user experience.
With reference to another reality of the method for the positional information of the acquisition VoWiFi user of Fig. 2 and Fig. 3 description present invention
Apply example.
Fig. 2 is the flow chart that the present invention obtains another embodiment of the method for positional information of VoWiFi user.
Fig. 3 is the system architecture diagram that the present invention obtains another embodiment of the method for positional information of VoWiFi user.
As shown in Fig. 2, the method for the embodiment includes：
Step S202, terminal are initiated VoWiFi by the regional network at place and are called.
Wherein, as shown in figure 3, terminal pass through connected AP (Access Point, wireless access point) initiate calling please
Ask, the mark of user is carried in call request.The call request of terminal is sent to region and nets corresponding BRAS by AP.
Step S204, BRAS send the VoWiFi call data of terminal to ePDG by corresponding VxLAN.
As shown in figure 3, each BRAS is responsible for converging the VoWiFi data of corresponding regional network, and each BRAS and ePDG
Between be provided with corresponding VxLAN tunnels, by VxLAN tunnels by the VoWiFi data sendings that one's respective area is netted to ePDG.
Step S206, ePDG receive the VoWiFi call data for the terminal that BRAS is sent by VxLAN, according to VxLAN ends
Slogan distributes the VoWiFi call data of terminal to corresponding virtual machine.
As shown in figure 3, ePDG sets multiple virtual machines, each virtual machine corresponds to a VxLAN and corresponds to a BRAS, into one
The corresponding regional network of step.
Step S208, virtual machine send the VoWiFi call data of terminal to PGW.
The VoWiFi call data of step S210, PGW receiving terminal, and record the VoWiFi call data for sending the terminal
Virtual machine mark, generate the correspondence of the mark of user and the mark of virtual machine.
Wherein, the numbering of the mark of virtual machine for example, virtual machine, for the unique mark virtual machine.
Step S212, PGW send the VoWiFi call data of terminal to core net.
As shown in figure 3, PGW sends the VoWiFi call data of terminal to BAC or P-CSCF, core net is then forwarded to
Other network elements.
Step S214, BAC or P-CSCF are called to the anti-positional informations for looking into terminal of PGW in response to the VoWiFi of terminal.
Wherein, BAC or P-CSCF sends terminal location inquiry request to PGW, wherein carrying the mark of user.
Step S216, PGW return to the mark of virtual machine to BAC or P-CSCF.
Wherein, the correspondence of the mark of the user of PGW inquiries record and the mark of virtual machine obtains the mark of virtual machine.
PGW can also be stored directly, the correspondence of the mark of user, the mark of virtual machine and area network information, to core
Heart network edge network element returns to the area network information where terminal.
The area network information of step S218, BAC or P-CSCF according to where the mark of virtual machine obtains terminal.
Area network information where terminal is write the access-domain of PANI message by step S220, BAC or P-CSCF
Field, and send to IMS core net.
The present invention also provides a kind of evolution packet data gateway, it is described with reference to Fig. 4.
Fig. 4 is the structure chart of one embodiment of evolution packet data gateway of the present invention.As shown in figure 4, ePDG40 includes：
Data reception module 402, the VoWiFi data for receiving area net.
Wherein, data reception module 402, it is different for being received by different virtual expansible LANs (VxLAN)
Converge the VoWiFi data of the corresponding regional network of Broadband Remote Access Server (BRAS) convergence.
Control module 404 being accessed, for distributing the VoWiFi data of different regional networks to different virtual machines, and being passed
IMS core net is transported to, so that IMS core network edge network element obtains the mark of virtual machine, and is obtained and used according to the mark of virtual machine
Area network information where family.
Wherein, control module 404, the virtual expansible LAN of the VoWiFi data for obtaining transmission region net are accessed
(VxLAN) mark, according to the correspondence of the mark of virtual LAN (VxLAN) and virtual machine by regional net
VoWiFi data are distributed to corresponding virtual machine.
The present invention also provides a kind of system for the positional information for obtaining VoWiFi user, it is described with reference to Fig. 5.
Fig. 5 is the structure chart of one embodiment of the system of the positional information of the acquisition VoWiFi user of the present invention.Such as Fig. 5
Shown, system 50 includes the evolution packet data gateway (ePDG) 40 of any one foregoing embodiment, further includes：
IMS core network edge network element 502, the corresponding evolution packet data gateway of VoWiFi data for obtaining user
(ePDG) mark of the virtual machine on 40, and the area network information according to where the mark of virtual machine obtains user.
Wherein, core network edge network element 502 is, for example, BAC or P-CSCF.
Further, as shown in figure 5, further including：Public data network gateway (PGW) 504 or Broadband Remote Access Server
(BRAS)506。
Public data network gateway (PGW) 504, sends for receiving the virtual machine on evolution packet data gateway (ePDG) 40
Regional network VoWiFi data, the mark of the corresponding virtual machine of VoWiFi data of posting field net, and by regional network
VoWiFi data forwardings are to IMS core net.
Broadband Remote Access Server (BRAS) 506, for converging the VoWiFi data of corresponding regional network, and by right
The expansible domain net (VxLAN) of virtual office answered is by the VoWiFi data sendings of corresponding regional network to evolution packet data gateway
(ePDG)40。
Further, IMS core network edge network element 502, for believing to public data network gateway (PGW) inquiry customer location
Breath, receives the mark of the corresponding virtual machine of VoWiFi data for the user that public data network gateway (PGW) returns, according to virtual machine
Mark and regional network correspondence, obtain user where area network information.
Further, IMS core network edge network element 502, is additionally operable to the area network information write-in access net where user
Access domain (access-domain) field of network information header field (PANI), and send to IMS core net, so that IMS core net obtains
Take the area network information where family.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (13)
- A kind of 1. method for the positional information for obtaining VoWiFi user, it is characterised in that including：Evolution packet data gateway ePDG receiving areas net based on the language of WiFi because of business VoWiFi data；The evolution packet data gateway ePDG distributes the VoWiFi data of different regional networks to different virtual machines, and passes IP multimedia subsystem IMS core net is transported to, so that IMS core network edge network element obtains virtual machine mark, and according to the void The mark of plan machine obtains the area network information where user.
- 2. according to the method described in claim 1, it is characterized in that,The VoWiFi data of the evolution packet data gateway ePDG receiving areas net include：The evolution packet data gateway ePDG receives different convergence broadbands by different virtual expansible LAN VxLAN The VoWiFi data of the corresponding regional network of remote access server BRAS convergences.
- 3. according to the method described in claim 1, it is characterized in that,The evolution packet data gateway ePDG, which distributes the VoWiFi data of different regional networks to different virtual machines, to be included：The evolution packet data gateway ePDG obtains the virtual expansible LAN VxLAN of the VoWiFi data of transmission region net Mark；The evolution packet data gateway ePDG is according to the virtual mark of expansible LAN VxLAN and the correspondence of virtual machine The VoWiFi data of regional net are distributed to corresponding virtual machine.
- 4. according to the method described in claim 1, it is characterized in that,The evolution packet data gateway ePDG distributes the VoWiFi data of different regional networks to different virtual machines, and passes Transporting to core net includes：The evolution packet data gateway ePDG distributes the VoWiFi data of different regional networks to corresponding virtual machine；The virtual machine is by the VoWiFi data forwardings of regional network to public data network gateway PGW；The public data network gateway PGW records the mark of the corresponding virtual machine of VoWiFi data of the regional network, and by area The VoWiFi data forwardings of domain net are to core net.
- 5. according to the method described in claim 4, it is characterized in that,The IMS core network edge network element obtains the mark of virtual machine, and according to where the mark of the virtual machine obtains user Area network information include：The IMS core network edge network element inquires about customer position information to public data network gateway PGW；The VoWiFi data that the IMS core network edge network element receives the user that the public data network gateway PGW is returned correspond to Virtual machine mark；The IMS core network edge network element obtains the region where user according to virtual machine mark and the correspondence of regional network Net information.
- 6. according to the method described in claim 1, it is characterized in that, further include：Area network information where user is write the access of access network information header field PANI by the IMS core network edge network element Domain access-domain fields, and send to IMS core net, the area network information where user is obtained so as to IMS core net.
- A kind of 7. evolution packet data gateway, it is characterised in that including：Data reception module, for receiving area net based on the language of WiFi because of business VoWiFi data；Control module being accessed, for distributing the VoWiFi data of different regional networks to different virtual machines, and being transmitted to IP Multimedia subsystem, IMS core net, so that IMS core network edge network element obtains the mark of virtual machine, and according to the virtual machine Mark obtain user where area network information.
- 8. evolution packet data gateway according to claim 7, it is characterised in thatThe data reception module, it is remote for receiving different convergence broadbands by different virtual expansible LAN VxLAN The VoWiFi data of the corresponding regional network of journey access server BRAS convergences.
- 9. evolution packet data gateway according to claim 7, it is characterised in thatThe access control module, the virtual expansible LAN VxLAN's of the VoWiFi data for obtaining transmission region net Mark, distributes the VoWiFi data of regional net to corresponding void with the correspondence of virtual machine according to the mark of VxLAN Plan machine.
- 10. a kind of system for the positional information for obtaining VoWiFi user, it is characterised in that including any one of claim 7-9 institutes The evolution packet data gateway stated, further includes IP multimedia subsystem IMS core network edge network element；The IMS core network edge network element, the corresponding evolution packet data gateway ePDG of VoWiFi data for obtaining user On virtual machine mark, and according to the virtual machine mark obtain user where area network information.
- 11. system according to claim 10, it is characterised in that further include：Public data network gateway PGW or broad band remote Access server BRAS；The public data network gateway PGW, for receiving the regional network of the transmission of the virtual machine on evolution packet data gateway ePDG VoWiFi data, record the mark of the corresponding virtual machine of VoWiFi data of the regional network, and by the VoWiFi of regional network Data forwarding is to IMS core net；Alternatively, the Broadband Remote Access Server BRAS, for converging the VoWiFi data of corresponding regional network, and by right The virtual expansible LAN VxLAN answered is by the VoWiFi data sendings of the regional network to evolution packet data gateway ePDG.
- 12. system according to claim 11, it is characterised in thatThe IMS core network edge network element, for inquiring about customer position information to public data network gateway PGW, receives the public affairs With Data Network Gateway PGW return user the corresponding virtual machine of VoWiFi data mark, according to virtual machine mark and region The correspondence of net, obtains the area network information where user.
- 13. system according to claim 11, it is characterised in thatThe core network edge network element, is additionally operable to the area network information write-in access network information header field PANI's where user Access domain access-domain fields, and send to IMS core net, the regional network letter where user is obtained so as to IMS core net Breath.
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