CN110324291A - A kind of communication means and Related product - Google Patents
A kind of communication means and Related product Download PDFInfo
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- CN110324291A CN110324291A CN201810286666.6A CN201810286666A CN110324291A CN 110324291 A CN110324291 A CN 110324291A CN 201810286666 A CN201810286666 A CN 201810286666A CN 110324291 A CN110324291 A CN 110324291A
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- 238000004891 communication Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 60
- 230000004044 response Effects 0.000 claims description 43
- 238000012545 processing Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000004590 computer program Methods 0.000 claims description 14
- 230000006870 function Effects 0.000 description 41
- 230000008569 process Effects 0.000 description 21
- 238000010586 diagram Methods 0.000 description 16
- 230000015654 memory Effects 0.000 description 15
- 238000007726 management method Methods 0.000 description 11
- 101100398918 Arabidopsis thaliana IPMS2 gene Proteins 0.000 description 7
- 101100455985 Arabidopsis thaliana MAM3 gene Proteins 0.000 description 7
- 101100018850 Luffa aegyptiaca IMS1 gene Proteins 0.000 description 7
- 238000004846 x-ray emission Methods 0.000 description 7
- 230000000977 initiatory effect Effects 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013475 authorization Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000013523 data management Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
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- 239000013307 optical fiber Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1073—Registration or de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
Abstract
The embodiment of the invention provides a kind of communication means and Related products, and wherein method includes: after general purpose I MS reception carrys out the registration request of user equipment (UE), to register for the UE；The call request that the UE is sent is received after succeeding in registration for the UE, then selects session IMS slice for the UE, and Xiang Suoshu session IMS slice forwards the call request；Alternatively, Xiang Suoshu UE sends the information of session IMS slice after the UE is registered through, the information of the session IMS slice calls the session IMS slice for the UE.General purpose I MS is responsible for the function of UE registration, and UE need not be docked to multiple IMS slices, therefore the requirement to UE is lower；UE need not search multiple IMS slices, and the IMS slice requested by general purpose I MS forwarded call or provided according to general purpose I MS sends call request；Therefore, network deployment complexity is lower.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of communication means and Related product.
Background technique
The planned offer industry communication solution of operator, it is desirable that user equipment (user equipment, UE) is simultaneously
It is linked into multiple internet protocol multi-media sub-systems (internet protocol multimedia subsystem, IMS),
Each IMS provides different real time business types respectively, for example IMS1 provides key task push to talk (mission-critical
Push-to-talk, MCPTT) business, IMS2 offer normal speech business.
UE is linked into IMS1 and IMS2 simultaneously, can arrive IMS respectively by UE and be sliced 1 (slice1) and IMS slice2 hair
Rise IMS registration, and UE initiate based on long term evolution voice service (voice over long term evolution,
VoLTE) when public network voice service, IMS slice1, UE is selected to select IMS slice2 when initiating MCPTT business.
Above scheme, it is more demanding to UE, and also network deployment is complex.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that provide a kind of communication means and Related product, reduce pair
The complexity of the requirement of UE and network deployment.
On the one hand the embodiment of the invention provides a kind of communication means, comprising:
General (common) IMS receives the registration request for carrying out user equipment (UE), registers for the UE；
The call request that the UE is sent is received after succeeding in registration for the UE, then selects session for the UE
(session) IMS is sliced, and Xiang Suoshu session IMS slice forwards the call request；
Alternatively, Xiang Suoshu UE sends the information of session IMS slice, the session IMS slice after the UE is registered through
Information call session IMS slice for the UE.
After the address of above-mentioned general purpose I MS can be obtained by packet switch (PS) core net by the modes such as configuring, use is non-
Access layer (non access stratum, NAS) message is sent to UE, and then UE is sent out according to the address of general purpose I MS to general purpose I MS
Send registration request.
It is succeeded in registration after referring to that registration is fully completed above, above-mentioned register through refers in verification process that the authentication is passed simultaneously
Necessarily registration is fully completed.Above-mentioned session IMS slice is that the slice of service is provided for UE, and the information of IMS slice may include 1
The information of a IMS slice also may include the information of more IMS slices, if the IMS comprising two or more is cut
The information of piece, then UE can therefrom select IMS slice to be sliced as session IMS, the present embodiment not limits this.
General purpose I MS is that multiple IMS are sliced the IMS shared in the present embodiment, and general purpose I MS is responsible for the function of UE registration
Can, therefore UE need not be docked to multiple IMS slices, therefore the requirement to UE is lower；During UE initiates to call, UE need not
Multiple IMS slices are searched, the IMS slice transmission calling requested by general purpose I MS forwarded call or provided according to general purpose I MS is asked
It asks；Therefore, network deployment complexity is lower.
As a possible implementation, the process of selection session IMS slice and forwarded call request is additionally provided
Particular view is as follows: described to select session IMS slice for the UE, Xiang Suoshu session IMS slice forwards the call request packet
It includes:
Type of service mark is obtained from the call request, obtains the session IMS slice, and obtain the session
The address of IMS slice；The session IMS slice is the corresponding IMS slice of the specified type of service of the type of service mark；
According to the address of session IMS slice, Xiang Suoshu session IMS slice forwards the call request.
As a possible implementation, the tool process for additionally providing acquisition session IMS slice is as follows: the acquisition institute
Stating session IMS slice includes:
In name server (domain name server, DNS) or network storage function (network repository
Function, NRF) in, it inquires IMS slice corresponding with the specified type of service of type of service mark and is used as session
IMS slice.
It should also be noted that if the corresponding relationship between type of service and IMS slice is stored in general purpose I MS,
It may not necessarily be inquired from DNS or NRF.
As a possible implementation, the concrete example for additionally providing the information of session IMS slice is as follows: the meeting
Talking about the information that IMS is sliced includes:
The type of service that the address of the session IMS slice and session IMS slice are supported.
The information purpose of session IMS slice is that UE is allowed to know how that calling is sliced to session IMS, therefore may include institute
It is necessary to various information, information above should not be construed as the exhaustion of session IMS slice information as an example.
As a possible implementation, additionally provide that register optional implementation as follows: described as UE registration
Include:
Five-tuple authentication vector is obtained from home subscriber server (home subscriber server, HSS), uses institute
It states five-tuple authentication vector to authenticate the UE, determines that the UE is registered through after the authentication is passed in the UE, to institute
It states after UE sends the instruction response message that the authentication is passed and determines that the UE succeeds in registration.
Above-mentioned five-tuple authentication vector may include: intended response (expected response, XRES), random competition
(random challenge, RAND), authentication tokens (authenticaiton token, AUTN), Integrity Key
(integrity key, IK) and encryption key (ciphering key, CK)；Specifically used five-tuple authentication vector is authenticated
The process embodiment of the present invention do not make uniqueness restriction.
The embodiment of the invention also provides a kind of communication means for two aspects, comprising:
User equipment (UE) sends registration request to common interconnection network protocol multi-media sub-system IMS；
After the UE is registered through, the information for the session IMS slice that the general purpose I MS is sent is received；
Information according to session IMS slice sends call request to the session IMS.
As a possible implementation, the specific implementation for the information for receiving session IMS slice is additionally provided such as
Under: the information for receiving the session IMS slice that the general purpose I MS is sent includes:
The instruction response message that the authentication is passed is received, the letter that new information obtains the session IMS slice is analyzed the response to
Breath.
The knowledge response message that the authentication is passed usually can be 200OK message.
As a possible implementation, the concrete example for additionally providing the information of session IMS slice is as follows: the meeting
Talking about IMS information includes:
The type of service that the address of the session IMS slice and session IMS slice are supported.
The three aspect present invention implement to additionally provide a kind of communication device, as common interconnection network protocol multi-media sub-system
IMS is used, comprising:
Receiving unit, for receiving the registration request for carrying out user equipment (UE)；
Registering unit, for being infused for the UE after the receiving unit receives and carrys out the registration request of user equipment (UE)
Volume；
The receiving unit is also used in the registering unit be to receive exhaling for the UE transmission after the UE succeeds in registration
Cry request；Selecting unit, for selecting meeting for the UE after the call request that the receiving unit receives that the UE is sent
Talk about IMS slice；Transmission unit, for forwarding the call request to session IMS slice；
Alternatively, transmission unit, for after the UE is registered through, Xiang Suoshu UE to send the information of session IMS slice, institute
The information for stating session IMS slice calls the session IMS slice for the UE.
As a possible implementation, the selecting unit, for obtaining type of service from the call request
Mark obtains the session IMS slice, and obtains the address of the session IMS slice；The session IMS slice is the industry
The corresponding IMS slice of the specified type of service of service type mark；
The transmission unit, the address for being sliced according to the session IMS, Xiang Suoshu session IMS are sliced described in forwarding
Call request.
As a possible implementation, the selecting unit includes: to be used for for obtaining the session IMS slice
In domain name server (DNS) or network storage function NRF, inquire corresponding with the specified type of service of type of service mark
IMS slice as session IMS be sliced.
As a possible implementation, the information of the session IMS slice includes:
The type of service that the address of the session IMS slice and session IMS slice are supported.
As a possible implementation, the registering unit, for obtaining five-tuple from home subscriber server HSS
Authentication vector authenticates the UE using the five-tuple authentication vector, determines the UE after the authentication is passed in the UE
It registers through, determines the UE registration after sending the instruction response message that the authentication is passed to the UE by the transmission unit
Success.
Four aspects are used the embodiment of the invention also provides a kind of communication device as user equipment (UE), comprising:
Transmission unit, for sending registration request to common interconnection network protocol multi-media sub-system IMS；
Receiving unit, for after the UE is registered through, receiving the letter for the session IMS slice that the general purpose I MS is sent
Breath；
The transmission unit, the information for being also used to be sliced according to the session IMS send calling to the session IMS and ask
It asks.
As a possible implementation, the receiving unit includes:
The receiving subelement, for receiving the instruction response message that the authentication is passed；
Resolution unit obtains the information of the session IMS slice for analyzing the response to new information.
As a possible implementation, the session IMS information includes:
The type of service that the address of the session IMS slice and session IMS slice are supported.
The embodiment of the invention also provides a kind of communication devices for five aspects, comprising: input equipment, output equipment, processor
And storage equipment；Program code is stored in stored equipment, the processor is for calling said program code, with control
It makes the input equipment and the input equipment and processor cooperation execution is provided in an embodiment of the present invention described in any item
Method.
The embodiment of the invention also provides a kind of computer storage medium, the computer storage medium is stored with six aspects
Computer program, the computer program include program instruction, and described program instructs when being executed by a processor, execute the present invention
Described in any item methods that embodiment provides.
The embodiment of the invention also provides a kind of computer program products for seven aspects, wrap in above-mentioned computer program product
Containing program instruction, above procedure code when being executed by a processor executes above-mentioned processor cooperation receiving device or sending device
Such as method any one of provided in an embodiment of the present invention.
The embodiment of the invention also provides a kind of communication systems for eight aspects, comprising: common interconnection network protocol multi-media subsystem
The IMS and two or more session IMS that unites is sliced；
The general purpose I MS is walked for executing any one provided in an embodiment of the present invention by the method that general purpose I MS is executed
Suddenly；
The session IMS slice executes Dialog processing for receiving the call request of the general purpose I MS forwarding；Alternatively,
The call request sent for receiving the UE, executes Dialog processing.
As a possible implementation, the communication system further include: packet switch PS core net；If described general
IMS forwards the call request of the UE to be sliced to the session IMS, then the PS core net and the general purpose I MS are communicated to connect,
The medium surface of the general purpose I MS and session IMS slice communicates to connect；If the general purpose I MS sends session IMS to the UE
The information of slice, then the PS core net communicates to connect respectively with the general purpose I MS and session IMS medium surface being sliced.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly or in background technique below will be implemented the present invention
Attached drawing needed in example or background technique is illustrated.
Fig. 1 is system architecture schematic diagram of the embodiment of the present invention；
Fig. 2 is system architecture schematic diagram of the embodiment of the present invention；
Fig. 3 is system architecture schematic diagram of the embodiment of the present invention；
Fig. 4 is system architecture schematic diagram of the embodiment of the present invention；
Fig. 5 is the method flow schematic diagram of the embodiment of the present invention；
Fig. 6 is register method flow diagram of the embodiment of the present invention；
Fig. 7 is method of calling flow diagram of the embodiment of the present invention；
Fig. 8 is register method flow diagram of the embodiment of the present invention；
Fig. 9 is method of calling flow diagram of the embodiment of the present invention；
Figure 10 is communication apparatus structure schematic diagram of the embodiment of the present invention；
Figure 11 is communication apparatus structure schematic diagram of the embodiment of the present invention；
Figure 12 is communication apparatus structure schematic diagram of the embodiment of the present invention；
Figure 13 is communication apparatus structure schematic diagram of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described with reference to the attached drawing in the embodiment of the present invention.
As shown in Figure 1, the system for 5G communication system is illustrated, include in Fig. 1: UE, wireless access network (radio
Access network, RAN) or access net (access network, AN), user interface function (user plane
Function, UPF) equipment, data network (data network, DN), authentication management domain (authentication
Management field, AMF), service management function (service management function, SMF) equipment, strategy
Control function (policy control function, PCF) equipment, application function (application function, AF) are set
Standby, authentication server function (authentication server function, AUSF) equipment, normalization data management
(unified data management, UDM) equipment；It is communicated respectively using N1~N15 interface.
As shown in Fig. 2, being the schematic diagram of network architecture of embodiment of the present invention figure, it is related to mainly relating in the embodiment of the present invention
And network element, wherein mediaphone (multimedia telephony, MMTEL) access layer (access stratum, AS),
Belong to IMS1 and IMS2 two slices with MCPTT AS.Wherein IMS1 and IMS2 also separately includes service call session control function
It can (serving call session control function, S-CSCF) equipment, Proxy Call Session Control Function
(proxy call session control function, P-CSCF) equipment and query call conversation control function
(interrogating call session control function, I-CSCF) equipment.Wherein, 5G core net (5G
Core network, 5GC)/Evolved Packet Core (evolved core network, EPC) is that IMS1 and IMS2 is public
Part.In figure 2 above, UE is linked into IMS1 and IMS2 simultaneously, can arrive IMS slice1 and IMS respectively by UE
Slice2 initiates IMS registration, and when UE is initiated based on the voice service of VoLTE public network, IMS slice1, UE is selected to initiate
IMS slice2 is selected when MCPTT business.IMS slice refer to IMS according to business information (such as type of service, service identification),
User's number section or terminal type etc. divide different IMS slices, and IMS slice mark (identifier, ID) is used for identify
Different IMS slices, that is, identify different IMS networks.Purposes in I-CSCF system shown in Fig. 2 includes: to initiate registration
The UE of request distributes S-CSCF；In to the related processing unrelated with session of session, the conversation initial come from other networks is assisted
View (session initiation protocol, SIP) request is routed to S-CSCF；HSS is inquired, is retrieved as some from HSS
UE provides the address of the S-CSCF of service；According to the address S-CSCF obtained from HSS, forwards SIP request or be responsive to S-CSCF
Deng.
It as shown in Figure 3 and Figure 4, is the schematic diagram of other two network architecture figure provided in an embodiment of the present invention, in network
Common IMS is increased in system architecture；IMS be sliced 1 and IMS slice 2 comprising session IMS1 and session IMS2 and
Its corresponding medium surface；Based on the possible network structure system of both the above, communication means provided in an embodiment of the present invention is such as schemed
Shown in 5, comprising:
501:UE sends registration request to general purpose I MS；
After 502: general purpose I MS reception carrys out the registration request of user equipment (UE), registered for above-mentioned UE；
503A: after above-mentioned UE succeeds in registration, UE sends call request to general purpose I MS；
Above-mentioned call request usually should include the information such as the type of service mark for specified services type.
504A: general purpose I MS selects session IMS slice for above-mentioned UE, and Xiang Shangshu session IMS slice forwards above-mentioned calling to ask
It asks.
In this step, general purpose I MS can be that the session IMS of UE selection calling is cut according to the information carried in call request
Piece.
Or after 502, execute:
503B: after above-mentioned UE is registered through, Xiang Shangshu UE sends the information of session IMS slice, above-mentioned session IMS slice
Information call above-mentioned session IMS slice for above-mentioned UE；
The information of session IMS slice can be carried to UE in the response message to succeed in registration, such as 200OK message.
The information of session IMS slice usually may include the information such as address, the type of service of session IMS slice.
504B:UE is sliced to session IMS and sends call request.
In the present embodiment, general purpose I MS is that multiple IMS are sliced the IMS shared, and general purpose I MS is responsible for UE registration
Function, therefore UE need not be docked to multiple IMS slices, therefore the requirement to UE is lower；During UE initiates to call, UE is not
Multiple IMS slices must be searched, the IMS slice requested by general purpose I MS forwarded call or provided according to general purpose I MS sends calling
Request；Therefore, network deployment complexity is lower.
Following embodiment will be illustrated respectively with regard to figure 3 above and network architecture shown in Fig. 4.
One, network architecture shown in Fig. 3.
Common IMS shields packet switch (packet switching, PS) core net (5GC/EPC) and UE in Fig. 3
IMS slice, UE and PS core net only see common IMS.
Wherein, the major responsibility of common IMS: 1 or IMS is sliced in selection IMS in processing IMS registration and session process
Slice 2.UE and PS core net, which does not have to do for IMS slice, to be enhanced.It include the note of the P-CSCF and S-CSCF in IMS architecture
Volume management function.
The major responsibility of session IMS: processing session, routing, strategy and charging control (policy and
Charging control, PCC) flow services quality (quality of service, QoS) controls and business triggering.It should
Session IMS may include the session management of the P-CSCF in IMS architecture, media control, Qos control function and S-CSCF meeting
Talk about management function.
The major responsibility of medium surface: encoding and decoding, playback, the 4th edition (internet protocol of Internet protocol
Version 4, IPV4)/IPV6 conversion, the media handling function of the IMS such as DTMF.The equipment of medium surface may include present agreement
Middle IMS- access gateway (access gateway, AGW).
In the system shown in figure 3 above, the mode that UE obtains the address common IMS can be analogous to UE and obtain P-
The mode of the address CSCF, such as: after getting the address common IMS by the modes such as configuring by 5GC/EPC, in NAS message
The address of common IMS is sent to UE.
Common IMS is corresponding according to the configuration strategy of DNS or according to configuration selection internal in common IMS
Session IMS in IMS slice.
H.248 equal protocol links can be passed through between session IMS and medium surface.
Session initiation protocol (session initiation can be used between common IMS and session IMS
Protocol, SIP) agreement.
Based on network architecture shown in Fig. 3, in register flow path as shown in FIG. 6, common IMS is 2 IMS
Slice provides general IMS registration service, UE it goes without doing enhancing processing, and detailed process is as follows:
601:UE sends registration (register) message request IMS registration to common IMS.
In this step, it specifically can be UE and read Universal Subscriber Identity identification module (universal first
Subsciber identity module, USIM) card information acquisition international mobile subscriber identity (international
Mobile subscriber identity, IMSI), then IMS private user identity (IMS private is derived from IMSI
User identity, IMPI) and IMS temporary multimedia mark (temporary IP public identity, T- are disclosed
IMPU)；Register message request IMS registration is sent to the address of common IMS；The content and UE of register message are sent out
The register message of the IMS registration process risen can be identical, does not need to enhance.The major parameter of register message is such as
Under:
From/To header field: the internet protocol multi-media for registering user discloses mark (internet protocol
Multimedia public identity, IMPU), T-IMPU is extended this as herein.
Contact header field: the contact address of user is registered.
Expires: registration time length.
Authorization header field: the IMPI including registering user.
Security-Client header field: instruction UE using internet protocol security (internet security,
IPSec) authentication and key agreement (authentication key agreement, AKA) authentication mode, wherein alg is complete
Property protection algorism, spi-c/spi-s be Security Parameter Index (security parameter index, SPI), port-c/
Port-s is the safe end slogan of UE.
Require/Proxy-Require header field: instruction UE requires to use IPSec AKA authentication mode.
602:common IMS and HSS interaction obtain the five-tuple authentication vector of user.
Five-tuple authentication vector may include: XRES, RAND, AUTN, IK and CK.
603:common IMS sends 401 responses to UE.
Common IMS saves parameter XRES, in case the subsequent Authentication Response to user is verified.Other authentication elements
UE is sent to 401 responses.Above-mentioned 401 response message example: including RAND and AUTN.
After 604:UE receives 401 responses, AUTN is authenticated according to the shared key saved in local USIM, certification is logical
It crosses, shows 401 informed sources in the true home network of user；Response is calculated based on shared key and RAND again
(response, RES), CK and IK reconfigure register message, AUTN, RAND and RES are carried, according in step 601
The path of register message is sent to common IMS.
After 605:common IMS receives register message, it would be desirable to the Authentication Response XRES that receives and actually receive
Authentication Response RES is compared.If the two matches, the authentication is passed to UE for network.Common IMS to IMS HSS, which is obtained, to be used
Family subscription data.
606:common IMS returns to 200OK response to UE.
The IMPU with the implicitly registered set of T-IMPU binding is carried in the P-Associated-URI header field of 200OK response
List, wherein comprising user mobile terminal number (Mobile Station international ISDN number,
MSISDN), the unified resource identifier of phone (Tel) (Uniform Resource Identifier, URI) and the SIP of user
URI shows that user concealed registration concentrates all numbers all to succeed in registration.
Above 401 and 200OK response can refer to 3G (Third Generation) Moblie partnership projects (hird Generation
Partnership Project, 3GPP) agreement, details are not described herein.
Based on network architecture shown in Fig. 3, in call flow as shown in Figure 7, the message related to calls in the process
It is realized using invitation (invite) message, detailed process is as follows:
701:UE initiates session, sends invite message to common IMS.
In invite message, following key message can be carried:
From: rear subscriber number；
Request-URI: called number；
Contact header field: the contact address of calling subscriber；
Feature-tag: type of service mark；
Session Description Protocol (session description protocol, SDP): the media capability of calling UE, including
The medium type of support and the coding/decoding capability of respective media.
702:common IMS selects IMS slice, is sliced as session IMS, invite message is transmitted to IMS
slice。
The process of specific choice IMS slice may is that the type of service carried according to feature-tag in invite message
It identifies, the characteristic of user's signing, selects corresponding IMS to be sliced in the rear subscriber number and HSS in From header field.IMS
The address configuration of slice/be registered in DNS/ network storage function (Network Repository Function, NRF) or
Configuration is in common IMS, if configuring/being registered in DNS/NRF, DNS/NRF, which needs to enhance, supports configuration IMS slice
The corresponding relationships such as the type of service of address and support.
After 703:IMS slice receives invite message, conversate processing and business triggering.
704:IMS slice sends 18x message, subscriber call called terminal ringing to common IMS；
705:common IMS forwards 18x message to UE；
706:IMS slice sends 200OK message, subscriber call called party answer to common IMS；
707:common IMS sends 200OK message, subscriber call called party answer to UE.
Network element involved in system structure shown in figure 3 above and major function description are shown in Table 1.
Table 1: network element and the function description that the present embodiment is related to
Two, network architecture shown in Fig. 4.
In Fig. 4, the major responsibility of common IMS: processing IMS registration process simultaneously will in the response message of IMS registration
The type of service that IMS slice and IMS slice are supported is sent to UE.The common IMS include P-CSCF in IMS architecture and
The registration management function of S-CSCF, and increase and in the registration response send the type of service that IMS slice and IMS slice are supported
To UE.The type of service that IMS slice is supported can be carried in the form of list.
The major responsibility of session IMS: processing session, routing, PCC process QoS control and business triggering.Including present
The session management of P-CSCF in IMS architecture again, media control, Qos control function and S-CSCF conversation management functional.
The major responsibility of medium surface: encoding and decoding, playback, IPV4/V6 conversion, the media handling function of the IMS such as DTMF.Including
Now IMS-AGW in the protocol.
In the system shown in figure 4 above, IMS is sliced the registration service that 1 and IMS is sliced 2 shared common IMS, IMS
Slice only includes session management and business processing.UE to common IMS initiates register flow path, and in register flow path, UE is got
IMS is sliced ID and IMS and is sliced the list of IP address corresponding relationship.When UE initiates session process, used according to type of service corresponding
IMS is sliced 1 and IMS slice 2.
IMS slice address can be only fitted on common IMS or configure/be registered to DNS/NRF, if configuration/note
For volume into DNS/NRF, common IMS can get the address of different IMS slice into DNS/NRF.
UE obtains the scheme of the address commomn IMS, and the mode that UE obtains the address common IMS can be analogous to UE and obtain
The mode of the address P-CSCF is taken, such as: after getting the address common IMS by the modes such as configuring by 5GC/EPC, disappear in NAS
The address of common IMS is sent to UE in breath.
Network architecture based on shown in Fig. 4, in register flow path as shown in Figure 8, common IMS is 2 IMS
The register flow path difference that slice provides general IMS registration service and system shown in Figure 3 structure is: the present embodiment
The type of service and IMS slice IP address corresponding relationship list transmission that common IMS provides IMS slice in 200ok message
The type of service of IMS slice address and IMS slice support is recorded to UE, UE, detailed register flow path is as follows:
801:UE sends registration (register) message request IMS registration to common IMS.
In this step, it specifically can be UE and read usim card acquisition of information IMSI first, then derive IMPI from IMSI
And T-IMPU；Register message request IMS registration is sent to the address of common IMS；The content and UE of register message
The register message of the IMS registration process of initiation can be identical, does not need to enhance.The major parameter of register message
It is as follows:
From/To header field: the IMPU of user is registered, extends this as T-IMPU herein.
Contact header field: the contact address of user is registered.
Expires: registration time length.
Authorization header field: the IMPI including registering user.
Security-Client header field: instruction UE uses IPSec AKA authentication mode, and wherein alg is integrity protection calculation
Method, spi-c/spi-s SPI, port-c/port-s are the safe end slogan of UE.
Require/Proxy-Require header field: instruction UE requires to use IPSec AKA authentication mode.
802:common IMS and HSS interaction obtain the five-tuple authentication vector of user.
Five-tuple authentication vector may include: XRES, RAND, AUTN, IK and CK.
803common IMS sends 401 responses to UE.
Common IMS saves parameter XRES, in case the subsequent Authentication Response to user is verified.Other authentication elements
UE is sent to 401 responses.401 response message examples " include RAND and AUTN parameter.
After 804:UE receives 401 responses, AUTN is authenticated according to the shared key saved in local USIM, certification is logical
It crosses, shows 401 informed sources in the true home network of user；Response RES, CK are calculated based on shared key and RAND again
And IK, it reconfigures register message, carries AUTN, RAND and RES, according to the path of register message in step 801,
It is sent to common IMS.
805:common IMS receives register message, it would be desirable to the Authentication Response XRES received and the mirror actually received
Power response RES is compared.If the two matches, the authentication is passed to UE for network.Common IMS to IMS HSS obtains user
Subscription data.
806:common IMS obtains the address of IMS slice.
The type of service that the address of IMS slice and IMS slice are supported configures on common IMS or configuration/registration
To DNS/NRF, if configuring/being registered in DNS/NRF, common IMS needs to get different IMS slice into DNS/NRF
Address.
807:common IMS returns to 200OK response to UE.
The IMPU with the implicitly registered set of T-IMPU binding is carried in the P-Associated-URI header field of 200OK response
List, the SIP URI of mobile terminal number MSISDN (Tel URI) and user comprising user, shows user concealed registration collection
In all numbers all succeed in registration；IMS slice address is wherein carried in P-Slice-URI header field and the IMS is sliced support business
The list of type.After UE receives 200OK, P-Slice-URI header field information is recorded.
The wherein format of P-Slice-URI are as follows:
As shown in figure 9, UE selects corresponding IMS slice address to send in call business, according to the type of service of initiation
Invite message, detailed process are as follows:
901: when calling UE initiates session, selecting the IMS slice address for supporting the type of service to send according to type of service
Give invite message.
Invite message can carry following information:
From: rear subscriber number.
Request-URI: called number.
Contact header field: the contact address of calling subscriber.
Feature-tag: type of service mark.
SDP: the media capability of calling UE, the coding/decoding capability of medium type and respective media including support.
902:IMS slice sends 18x message, subscriber call called terminal ringing to UE；
After session IMS and medium surface in IMS slice receive invite message, according in invite message
The type of service is supported in feature-tag judgement, then carries out respective session processing and business triggering, and be sent to 18x to caller
Message indicates called ring.
903:IMS slice sends 200ok message to terminal, subscriber call called party answer to UE.
The scheme UE of network system architecture shown in Fig. 4 needs to obtain the address of common IMS and supports particular traffic type
The address session/business processing IMS slice.
Network element and the function description that the scheme of network system architecture shown in Fig. 4 is related to are shown in Table 2.
Table 2: network element of the present invention and function description
Invention is implemented to additionally provide a kind of communication device, uses as common interconnection network protocol multi-media sub-system IMS, such as
Shown in Figure 10, comprising:
Receiving unit 1001, for receiving the registration request for carrying out user equipment (UE)；
Registering unit 1002, for being after above-mentioned receiving unit 1001 receives and carrys out the registration request of user equipment (UE)
Above-mentioned UE registration；
Above-mentioned receiving unit 1001 is also used in above-mentioned registering unit 1002 be to receive above-mentioned UE after above-mentioned UE succeeds in registration
The call request of transmission；Selecting unit 1003, for receiving the call request that above-mentioned UE is sent in above-mentioned receiving unit 1001
Afterwards, session IMS slice is selected for above-mentioned UE；Transmission unit, for forwarding above-mentioned call request to above-mentioned session IMS slice；
Alternatively, transmission unit 1004, for after above-mentioned UE is registered through, Xiang Shangshu UE to send the letter of session IMS slice
The information of breath, above-mentioned session IMS slice calls above-mentioned session IMS slice for above-mentioned UE.
As a possible implementation, above-mentioned selecting unit 1003, for obtaining business from above-mentioned call request
Type identification obtains above-mentioned session IMS slice, and obtains the address of above-mentioned session IMS slice；On above-mentioned session IMS slice is
State the corresponding IMS slice of the specified type of service of type of service mark；
Above-mentioned transmission unit 1004, the address for being sliced according to above-mentioned session IMS, Xiang Shangshu session IMS slice forwarding
Above-mentioned call request.
As a possible implementation, above-mentioned selecting unit 1003 includes: for obtaining above-mentioned session IMS slice
For in domain name server (DNS) or network storage function NRF, inquiry to identify specified type of service with above-mentioned type of service
Corresponding IMS slice is sliced as session IMS.
As a possible implementation, the information of above-mentioned session IMS slice includes:
The type of service that the address of above-mentioned session IMS slice and above-mentioned session IMS slice are supported.
As a possible implementation, above-mentioned registering unit 1002, for obtaining five from home subscriber server HSS
Tuple authentication vector authenticates above-mentioned UE using above-mentioned five-tuple authentication vector, determines after in above-mentioned UE, the authentication is passed
It states UE to register through, be determined after sending the instruction response message that the authentication is passed to above-mentioned UE by above-mentioned transmission unit 1004
UE is stated to succeed in registration.
The embodiment of the invention also provides a kind of communication devices, use as user equipment (UE), as shown in figure 11, comprising:
Transmission unit 1101, for sending registration request to common interconnection network protocol multi-media sub-system IMS；
Receiving unit 1102, the session IMS slice sent for after above-mentioned UE is registered through, receiving above-mentioned general purpose I MS
Information；
Above-mentioned transmission unit 1101, the information for being also used to be sliced according to above-mentioned session IMS send to above-mentioned session IMS and call
Request.
As a possible implementation, above-mentioned receiving unit 1102 includes:
Above-mentioned receiving subelement 11021, for receiving the instruction response message that the authentication is passed；
Resolution unit 11022 obtains the information of above-mentioned session IMS slice for parsing above-mentioned response new information.
As a possible implementation, above-mentioned session IMS information includes:
The type of service that the address of above-mentioned session IMS slice and above-mentioned session IMS slice are supported.
Figure 12 be a kind of communication device 120 provided in an embodiment of the present invention, the communication device 120 include processor 1201,
Memory 1202, input interface 1203 and output interface 1204.
Memory 1202 include but is not limited to be random access memory (random access memory, RAM), it is read-only
Memory (read-only memory, ROM), Erasable Programmable Read Only Memory EPROM (erasable programmable
Read only memory, EPROM) or portable read-only memory (compact disc read-only memory, CD-
ROM), which is used for dependent instruction and data.Transceiver 1203 is for sending and receiving data.
Processor 1201 can be one or more central processing units (central processing unit, CPU),
In the case that processor 1201 is a CPU, which can be monokaryon CPU, be also possible to multi-core CPU.
Processor 1201 in the communication device 120 is held for reading the program code stored in above-mentioned memory 1202
The method flow of sending device or receiving device in row preceding method embodiment.
It is stored with program code in above-mentioned memory 1202, is also stored with code book.
In the present embodiment, processor 1201 can correspond to resolution unit 11022 in earlier figures 10 or Figure 11, selection list
Member 1003；Sending and receiving function and can respectively correspond input interface 1203 and output interface 1204 in Figure 10 and Figure 11.
In the case where the communication device 120 occurs as chip or integrated circuit form, input interface 1203 and output
Interface 1204 can be the communication interface of the chip chamber of communication device.
Communication device shown in Figure 12 can be communication device in the application, be also possible to be installed on the core in communication device
Piece or integrated circuit.
By taking communication device is communication device as an example.Figure 13 shows a kind of structural schematic diagram of the communication device of simplification.It is logical
T unit includes that signal transmitting and receiving part 1301, data processing section 1302, memory 1303 there may also be input/output unit
1304；The signal transmitting and receiving part may include that 13011 part of input interface and/or 13021 part of output interface (can also be referred to as
For Transmit-Receive Unit).Signal transmitting and receiving part is mainly used for the transmitting-receiving of signal and the conversion with baseband signal；Data processing section
1302 are mainly used for Base-Band Processing, control etc. communication device.Input interface 13011 is referred to as receiver, receives
Machine, reception circuit etc., output interface 13021 is referred to as transmitter, transmitter, transmitter, transmit circuit etc..
Data processing section 1302 is usually the control centre of communication device, may be generally referred to as processing unit, for controlling
Communication device processed executes the step performed by communication device in method flow, and for details, reference can be made to retouching for above-mentioned relevant portion
It states.Data processing section 1302 may include one or more veneers, each veneer may include one or more processors and
One or more memories, processor are used to read and execute the program in memory to realize Base-Band Processing function and to logical
The control of T unit.Multiple veneers if it exists can be interconnected to increase processing capacity between each veneer.As a kind of possible
Embodiment, is also possible to the shared one or more processors of multiple veneers or multiple veneers share one or more and deposit
Reservoir or multiple veneers share one or more processors simultaneously.
For example, in one embodiment, input interface 13021 receives registration request and data processing division for executing
Divide 1302 selections for being used to execute session IMS.
The embodiment of the invention also provides a kind of communication systems, as shown in figure 3 or 4, comprising: the more matchmakers of common interconnection network agreement
Body subsystem, IMS and two or more session IMS slice；
The general purpose I MS is walked for executing any one provided in an embodiment of the present invention by the method that general purpose I MS is executed
Suddenly；
The session IMS slice executes Dialog processing for receiving the call request of the general purpose I MS forwarding；Alternatively,
The call request sent for receiving the UE, executes Dialog processing.Wherein the former corresponds to network system shown in Fig. 3, the latter
Correspond to network system shown in Fig. 4；
As a possible implementation, the communication system further include: packet switch PS core net；If described general
IMS forwards the call request of the UE to be sliced to the session IMS, then the PS core net and the general purpose I MS are communicated to connect,
The medium surface of the general purpose I MS and session IMS slice communicates to connect；If the general purpose I MS sends session IMS to the UE
The information of slice, then the PS core net communicates to connect respectively with the general purpose I MS and session IMS medium surface being sliced.
The embodiment of the invention also provides a kind of communication devices for five aspects, comprising: input equipment, output equipment, processor
And storage equipment；Program code is stored in stored equipment, above-mentioned processor is for calling above procedure code, with control
It makes above-mentioned input equipment and above-mentioned input equipment and processor cooperation executes method any one of provided in an embodiment of the present invention.
The embodiment of the invention also provides a kind of computer storage medium, above-mentioned computer storage medium is stored with six aspects
Computer program, above-mentioned computer program include program instruction, and above procedure instructs when being executed by a processor, execute the present invention
The method for any one that embodiment provides.
The embodiment of the invention also provides a kind of computer program products, include program in above-mentioned computer program product
Instruction, above procedure code make above-mentioned processor cooperation receiving device or sending device execute such as this hair when being executed by a processor
The method for any one that bright embodiment provides.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and method and step can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the communication of foregoing description
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, method and apparatus, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, said units
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real
It is existing.When implemented in software, it can entirely or partly realize in the form of a computer program product.Above-mentioned computer program
Product includes one or more computer instructions.When loading on computers and executing above-mentioned computer program instructions, all or
Partly generate the process or function above-mentioned according to the embodiment of the present invention.Above-mentioned computer can be general purpose computer, dedicated meter
Calculation machine, computer network or other programmable devices.Above-mentioned computer instruction can store in computer readable storage medium
In, or transmitted by above-mentioned computer readable storage medium.Above-mentioned computer instruction can be from a web-site, meter
Calculation machine, server or data center pass through wired (such as coaxial cable, optical fiber, Digital Subscriber Line (digital subscriber
Line, DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another web-site, computer, server or number
It is transmitted according to center.Above-mentioned computer readable storage medium can be any usable medium that computer can access either
The data storage devices such as server, the data center integrated comprising one or more usable mediums.Above-mentioned usable medium can be
Magnetic medium, (for example, floppy disk, hard disk, tape), optical medium are (for example, digital versatile disc (digital versatile
Disc, DVD)) or semiconductor medium (such as solid state hard disk (solid state disk, SSD)) etc..
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, the process
Relevant hardware can be instructed to complete by computer program, which can be stored in computer-readable storage medium, should
Program is when being executed, it may include such as the process of above-mentioned each method embodiment.And storage medium above-mentioned includes: read-only memory
(read-only memory, ROM) or random access memory (random access memory, RAM), magnetic or disk
Etc. the medium of various program storage codes.
Claims (20)
1. a kind of communication means characterized by comprising
Common interconnection network protocol multi-media sub-system IMS receives the registration request for carrying out user equipment (UE), registers for the UE；
The call request that the UE is sent is received after succeeding in registration for the UE, then selects session IMS slice for the UE,
The call request is forwarded to session IMS slice；
Alternatively, Xiang Suoshu UE sends the information of session IMS slice, the letter of the session IMS slice after the UE is registered through
Breath calls the session IMS slice for the UE.
2. method according to claim 1, which is characterized in that described to select session IMS slice, Xiang Suoshu session for the UE
IMS is sliced the forwarding call request
Type of service mark is obtained from the call request, obtains the session IMS slice, and obtain the session IMS and cut
The address of piece；The session IMS slice is the corresponding IMS slice of the specified type of service of the type of service mark；
According to the address of session IMS slice, Xiang Suoshu session IMS slice forwards the call request.
3. method according to claim 2, which is characterized in that the acquisition session IMS, which is sliced, includes:
In domain name server (DNS) or network storage function NRF, the inquiry type of service specified with type of service mark
Corresponding IMS slice is sliced as session IMS.
4. method according to claim 1, which is characterized in that the information of session IMS slice includes:
The type of service that the address of the session IMS slice and session IMS slice are supported.
5. according to claim 1 to 4 any one the methods, which is characterized in that described to include: for UE registration
Five-tuple authentication vector is obtained from home subscriber server HSS, the UE is carried out using the five-tuple authentication vector
Authentication determines that the UE is registered through after the authentication is passed in the UE, disappears sending the instruction response that the authentication is passed to the UE
Determine that the UE succeeds in registration after breath.
6. a kind of communication means characterized by comprising
User equipment (UE) sends registration request to common interconnection network protocol multi-media sub-system IMS；
After the UE is registered through, the information for the session IMS slice that the general purpose I MS is sent is received；
Information according to session IMS slice sends call request to the session IMS.
7. method according to claim 6, which is characterized in that described to receive what the session IMS that the general purpose I MS is sent was sliced
Information includes:
The instruction response message that the authentication is passed is received, the information that new information obtains the session IMS slice is analyzed the response to.
8. according to claim 6 or 7 the method, which is characterized in that the information of session IMS slice includes:
The type of service that the address of the session IMS slice and session IMS slice are supported.
9. a kind of communication device, which is characterized in that used as common interconnection network protocol multi-media sub-system IMS, comprising:
Receiving unit, for receiving the registration request for carrying out user equipment (UE)；
Registering unit, for being registered for the UE after the receiving unit receives and carrys out the registration request of user equipment (UE)；
The receiving unit is also used in the registering unit be to receive the calling that the UE is sent after the UE succeeds in registration to ask
It asks；Selecting unit, for selecting session for the UE after the call request that the receiving unit receives that the UE is sent
IMS slice；Transmission unit, for forwarding the call request to session IMS slice；
Alternatively, transmission unit, for after the UE is registered through, Xiang Suoshu UE to send the information of session IMS slice, the meeting
The information for talking about IMS slice calls the session IMS slice for the UE.
10. communication device according to claim 9, which is characterized in that
The selecting unit is identified for obtaining type of service from the call request, obtains the session IMS slice, and
Obtain the address of the session IMS slice；The session IMS slice is the specified type of service pair of the type of service mark
The IMS slice answered；
The transmission unit, the address for being sliced according to the session IMS, Xiang Suoshu session IMS slice forward the calling
Request.
11. communication device according to claim 10, which is characterized in that
The selecting unit includes: in domain name server (DNS) or network storage function for obtaining the session IMS slice
In energy NRF, inquires IMS slice corresponding with the specified type of service of type of service mark and session IMS is used as to be sliced.
12. communication device according to claim 9, which is characterized in that the information of session IMS slice includes:
The type of service that the address of the session IMS slice and session IMS slice are supported.
13. according to communication device described in claim 9 to 12 any one, which is characterized in that
The registering unit is authenticated for obtaining five-tuple authentication vector from home subscriber server HSS using the five-tuple
Vector authenticates the UE, determines that the UE is registered through after the authentication is passed in the UE, is passing through the transmission unit
Determine that the UE succeeds in registration after sending the instruction response message that the authentication is passed to the UE.
14. a kind of communication device, uses as user equipment (UE) characterized by comprising
Transmission unit, for sending registration request to common interconnection network protocol multi-media sub-system IMS；
Receiving unit, for after the UE is registered through, receiving the information for the session IMS slice that the general purpose I MS is sent；
The transmission unit, the information for being also used to be sliced according to the session IMS send call request to the session IMS.
15. 4 communication device according to claim 1, which is characterized in that the receiving unit includes:
The receiving subelement, for receiving the instruction response message that the authentication is passed；
Resolution unit obtains the information of the session IMS slice for analyzing the response to new information.
16. 4 or 15 communication device according to claim 1, which is characterized in that the information of session IMS slice includes:
The type of service that the address of the session IMS slice and session IMS slice are supported.
17. a kind of communication system characterized by comprising common interconnection network protocol multi-media sub-system IMS and two or
The more than two session IMS slices of person；
The general purpose I MS requires 1~5 any one the method for perform claim；
The session IMS slice executes Dialog processing for receiving the call request of the general purpose I MS forwarding；Alternatively, being used for
The call request that the UE is sent is received, Dialog processing is executed.
18. 7 communication system according to claim 1, which is characterized in that the communication system further include: packet switch PS core
Heart net；If the general purpose I MS forwards the call request of the UE to be sliced to the session IMS, the PS core net with it is described
The medium surface of general purpose I MS communication connection, the general purpose I MS and session IMS slice communicates to connect；If the general purpose I MS to
The UE sends the information of session IMS slice, then the matchmaker that the PS core net and the general purpose I MS and the session IMS are sliced
Dignity communicates to connect respectively.
19. a kind of communication device, comprising: input equipment, output equipment, processor and storage equipment；It is characterized in that,
Program code is stored in stored equipment, the processor is described defeated to control for calling said program code
Enter equipment and the input equipment and processor cooperation executes such as method described in any item of the claim 1 to 8.
20. a kind of computer storage medium, which is characterized in that the computer storage medium is stored with computer program, described
Computer program includes program instruction, and described program instructs when being executed by a processor, is executed as any in claim 1 to 8
Method described in.
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