CN101277521B

CN101277521B - Control method and network system for conversation admittance

Info

Publication number: CN101277521B
Application number: CN2007100906779A
Authority: CN
Inventors: 夏斌; 邹国辉; 刘菁
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2007-03-30
Filing date: 2007-03-30
Publication date: 2012-04-25
Anticipated expiration: 2027-03-30
Also published as: CN101277521A

Abstract

The embodiment of the invention provides a method of conversational admission control, including: acquiring ability information of a terminal by interaction with the terminal, after receiving the conversational request of the terminal, searching and acquiring network resource information according to the received conversation request of the terminal and the acquired ability information of the terminal; processing admission treatment for the conversation of the terminal according to the acquired network resource information. The embodiment of the invention also provides a corresponding network system. The technical solution provided by the embodiment can realize the conversation admission control having stronger practicality.

Description

Session admittance control method and network system

Technical field

The present invention relates to communication technical field, be specifically related to a kind of session admittance control method and network system.

Background technology

Along with express network technology and development of multimedia technology, undergoing an unusual development of wireless network is swift and violent, and the development trend of wireless network evolves to packet switching from circuit switching gradually, and various WiMAX access technologies emerge in an endless stream.The swift and violent wireless network of development recent years has global system for mobile communications GSM (GlobalSystem for Mobile Communications); General Packet Radio Service System GPRS (GeneralPacket Radio Service); Broadband CDMA system WCDMA (Wideband Code DivisionMultiple Access); Code division multiple access system CDMA (Code Division Multiple Access) 2000; WiMAX system WiMAX wireless access systems such as (Worldwide Interoperability Microwave Access).In order to realize that the user can enjoy ubiquitous service; Can receive oneself predetermined service through any available access means anywhere; Need to realize the seamless mobility between the multiple access technology; This just needs to confirm a kind of session admission control mechanism under isomerous environment, is used to guarantee and this ubiquitous service is provided, and the conversation request that proposes for the user is set up corresponding business and connected.

A kind of associating session admission control method that exists at present; Be service network after the conversation request that receives from a certain terminal, according to the request service quality QoS (Quality of Service) of conversation request, earlier judge whether present networks has adequate resources to offer this conversation request; If can support; This conversation request of access then, if present networks can not support, then inquire about other network and whether can support this conversation request.If other networks can be supported; The session request is forwarded to other networks; By other this conversation request of network access, if other networks can not support that and the User Priority of this conversation request is than higher; Service network checks that the user whether other low priorities are arranged can be switched to the service quality that perhaps reduces some low priority users in the present networks in other network, vacates resource and comes this conversation request of access so; If this conversation request is the conversation request of low priority, so just refuse this conversation request.

In realizing process of the present invention, the inventor finds that there is certain defective in prior art, and existing technical scheme only considers that service network follows the information interaction between other networks, and therefore practicality is relatively poor in practical application.In addition, scheme of the prior art is promptly only considered the access of this conversation request only to the access control of single session, and other sessions for the terminal that initiates a session request possibly exist do not provide corresponding handling process.

Summary of the invention

The technical problem that the embodiment of the invention will solve provides a kind of session admittance control method and network system, can realize the session access control that practicality is stronger.

For solving the problems of the technologies described above, the embodiment of the invention realizes through following technical scheme:

The embodiment of the invention provides a kind of session admittance control method, comprising: through with the ability information of obtaining the terminal alternately at terminal; After the conversation request of receiving terminal, according to the ability information inquiry at the conversation request at the terminal of said reception and the said terminal that obtains and obtain network resource information; According to the said network resource information that obtains access being made in the session at terminal handles.

The embodiment of the invention provides a kind of network system, comprising: terminal, service network and candidate network; Said terminal is used to initiate a session request, and carries out information interaction with service network; Said service network; Be used to obtain the conversation request at terminal; Through with the ability information of obtaining the terminal alternately at terminal; Conversation request and ability information according to said terminal are sent query requests to candidate network, and obtain the network resource information that candidate network is returned, and according to the network resource information and the self networks resource information of the said candidate network of obtaining the access processing are made in the session at terminal; Said candidate network is used for carrying out information interaction with service network, receives the query requests of service network, and the self networks resource information is returned to service network.

The embodiment of the invention provides a kind of network system, comprising: terminal, service network, candidate network and collaborative RRM CRRM functional entity; Said terminal is used to initiate a session request, and carries out information interaction with service network; Said service network is used to obtain the conversation request at terminal, through with the ability information of obtaining the terminal alternately at terminal, the conversation request at said terminal and ability information and self networks resource information are sent to the CRRM functional entity; Said CRRM functional entity sends query requests according to the information that receives to candidate network; And obtain the network resource information that candidate network is returned, with service network of network resource information access is made in the session at terminal according to the network resource information of the said candidate network of obtaining and handle; Said candidate network is used for carrying out information interaction with the CRRM functional entity, receives the query requests of CRRM functional entity, and the self networks resource information is returned to the CRRM functional entity.

The embodiment of the invention provides a kind of network system, comprising: terminal, service network, candidate network and collaborative RRM CRRM functional entity; Said terminal is used to initiate a session request, and carries out information interaction with the CRRM functional entity; Said CRRM functional entity; Be used to obtain the conversation request at terminal; Through with the ability information of obtaining the terminal alternately at terminal; Send query requests according to the conversation request at said terminal and ability information to service network and candidate network, and obtain the network resource information that service network and candidate network are returned, the access processing is made in the session at terminal according to the network resource information and the service network of network resource information of the said candidate network of obtaining; Said candidate network and service network are used for carrying out information interaction with the CRRM functional entity, receive the query requests of CRRM functional entity, and the self networks resource information is returned to the CRRM functional entity.

Above technical scheme can find out, the technical scheme of the embodiment of the invention be through with the ability information of obtaining the terminal alternately at terminal; After the conversation request of receiving terminal according to the ability information inquiry at the conversation request at the terminal of said reception and the said terminal that obtains and obtain network resource information; According to the said network resource information that obtains access being made in the session at terminal handles.Therefore; The technical scheme of the embodiment of the invention has increased the internetwork information interaction flow process in terminal and service network and other; It is more detailed that being used to of obtaining made the relevant information that access selects, thereby can be applicable to various types of session access controls, has more practicality than prior art scheme.

Description of drawings

Fig. 1 is the scene application drawing of embodiment of the invention distributed associating session access control;

Fig. 2 is the embodiment one signaling process figure of embodiment of the invention distributed associating session admittance control method;

Fig. 3 is the embodiment two signaling process figure of embodiment of the invention distributed associating session admittance control method;

Fig. 4 is the scene application drawing of the centralized associating session of embodiment of the invention access control;

Fig. 5 is the embodiment one signaling process figure of the centralized associating session of embodiment of the invention admittance control method;

Fig. 6 is the embodiment two signaling process figure of the centralized associating session of embodiment of the invention admittance control method;

Fig. 7 is the embodiment three signaling process figure of the centralized associating session of embodiment of the invention admittance control method;

Fig. 8 is the embodiment four signaling process figure of the centralized associating session of embodiment of the invention admittance control method;

Fig. 9 is the scene application drawing of the associating session access control of the distributed and centralized combination of the embodiment of the invention;

Figure 10 is the distributed network architecture sketch map of the embodiment of the invention;

Figure 11 is the centralized network architecture sketch map of the embodiment of the invention.

Embodiment

The embodiment of the invention provides a kind of session admittance control method, can realize the session access control that practicality is stronger.

In the embodiment of the invention method; Service network is when receiving conversation request; According to the quality requirement of conversation request, the ability at terminal, user's business customizing situation (type of service; Professional priority, user's priority etc.) with the network resource usage situation of present networks and other candidate network, make access control through consultation and adjudicate.The access control judgement not only relates to the conversation request at terminal, also can relate to ongoing other sessions in terminal, and court verdict comprises: be admitted to this service network; Suggestion perhaps forces the partial session of switching terminal to other networks; Suggestion perhaps forces whole sessions at terminal to switch to other networks etc.Here said partial session or whole session can be to comprise this conversation request.In addition; Wherein, Also may relate to the service quality that reduces the ongoing some or all of session of other users in the access network; Also possibly be the access network switches to other networks with associated user's some or all of session, so that the conversation request and the associated session thereof at resource access terminal to be provided.

The ability at terminal can for: support multi-radio access technology, but synchronization is only supported a kind of wireless access technology; Can support to support simultaneously multiple wireless access technology etc.Service network can be before receiving conversation request just through with the ability information at the mutual acquisition terminal at terminal, also can be after receiving conversation request through with the ability information at the mutual acquisition terminal at terminal.According to the ability at terminal clearly needs in the network of which type, select and resource query, and reference is provided for the conversation shift judgement.

Consult and the process of judgement collaborative RRM CRRM (the Cooperative Radio Resource Management) functional entity that can be service network report the upper strata with association requests information etc. is handled, the CRRM functional entity through active inquiry or its different candidate network that have under its command offer that the wireless network resource of obtaining in each candidate network is used information, signal quality on initiatively, the service that can support etc.Consult and the process of judgement also can be this service network directly and carry out between other candidate network obtaining corresponding auxiliary switching judgment information through periodic message; Perhaps (when for example receiving conversation request, perhaps when this service network can't be supported this conversation request) inquired about the information of other candidate network in needs.

The session admittance control method of the embodiment of the invention can be divided into centralized and distributed access control.Below to centralized and distributed associating session management strategy, and terminal and network provide specific embodiment introduction for the ability of access control.

Introduce distributed session admittance control method earlier.

Seeing also Fig. 1, is the scene application drawing of embodiment of the invention distributed associating session access control.

Comprise terminal MS, network 1,2 and 3 among the figure, wherein network 1 to 3 all contains CRRM and special RRM sRRM (Specific Radio Resource Management) functional entity.The CRRM functional entity is responsible for associating session access control management, and the sRRM functional entity is responsible for the RRM of single system, and their positions in concrete network can be positioned at same physical entity, also can be positioned at different physical entities.MS is connected with network 2, but also can link to each other with a plurality of networks simultaneously.Network 2 is a service network, and network 1 and 3 is a candidate network.

Seeing also Fig. 2, is the embodiment one signaling process figure of embodiment of the invention distributed associating session admittance control method.In this embodiment, mainly be that network carries out suggestion, make a strategic decision in the terminal.Specifically comprise step:

A1, service network receive conversation request;

Comprise in the conversation request that service network receives: information such as the speed that professional type, the quality of service requirement QoS of required assurance, needs are supported, the delay that can tolerate, shake.This conversation request can be come self terminal or from the upper strata of service network, for example application layer.

A2, service network carry out the session access control judgement of present networks system;

Service network carries out session access control judgement according to conversation request and self load and utilization of resources situation.The result of judgement can have three kinds, and a kind of is the access control judgement failure of present networks system, promptly can't insert this conversation request; Another kind is to confirm how to handle again after service network hopes to hold consultation with other networks; The third is that access control is adjudicated successfully, promptly allows to insert this conversation request.If access control adjudicates successfully, then service network directly notifies this conversation request of terminal can access.Suppose that in an embodiment court verdict is wherein a kind of among the two kinds of results in front.

A3, terminal capability and standing state are inquired about;

Service network carries out capability query to the terminal.Terminal capability is meant: whether support multi-radio access technology; Which supports plant wireless access technology; Whether can support multiple wireless access technology by synchronization; Whether can support same data flow via different access network incoming terminal etc.

Service network can also be inquired about the power supply status at terminal.Whether sufficient the power supply status at terminal be meant terminal power supply and concrete power strength.

In addition, service network also can be to terminal inquiry by the strength of transmitted signals of detected other access networks in terminal, network load condition etc.

A4, service network send resource and switch query requests to candidate network;

Service network is according to terminal capability and the standing state information obtained; And the information that possibly support other access networks of this terminal traffic at present; Send resources and switch query requests to these possible candidate network, resource and switch the information that comprises terminal iidentification, terminal capability, the present ongoing associated session in terminal in the query requests and state (communicating by letter) and carrying out information and the state (access request) etc. of the conversation request of access request.

A5, candidate network are carried out the session access control judgement of present networks system;

Each candidate network is carried out session access control judgement according to its other resources situation and received resource and switching query requests.The possibility of result of judgement is the partial session of the access of not supporting this terminal session, support terminal or all sessions etc.

A6, candidate network are returned resource and are switched the query requests response to service network;

After adjudicating, each candidate network feeds back to service network with court verdict, comprises the processing behavior of terminal iidentification, session QoS information, session identification and associated session etc. in the feedback information.The processing behavior of associated session is meant that which is to support in the terminal session, and which cannot be supported.

Send the conversation shift request to the terminal after A7, the service network summary information;

Service network gathers the information that receives, the row filter of going forward side by side.The access of this terminal session is not perhaps supported in a small amount of session that for example some candidate network can only support terminal, then rejects.Then, service network sends to the terminal with the information of relevant recommended candidate network and the information of self.The information of service network self comprises the processing behavior of session identification and associated session.Service network is meant that for the processing behavior of associated session which is to support in the terminal session, and which cannot be supported.

Conversation shift control judgement is carried out at A8, terminal.

Conversation shift control judgement is carried out according to the information of the candidate network of the information of service network and recommendation thereof in the terminal.The result of judgement is except that the session request being moved to candidate network or the service network, also determining other relevant whole sessions or partial sessions to move to selected same network, or partial session is moved to heterogeneous networks.The result of judgement also possibly be that the terminal stops this conversation request.

Seeing also Fig. 3, is the embodiment two signaling process figure of embodiment of the invention distributed associating session admittance control method.In this embodiment, mainly be that network is made a strategic decision.Specifically comprise step:

B1, service network are inquired about terminal capability;

B2, service network receive conversation request;

Comprise in the conversation request that service network receives: information such as the speed that professional type, the QoS of required assurance, needs are supported, the delay that can tolerate, shake.This conversation request can be come self terminal or from the upper strata of service network, for example application layer.

B3, service network carry out the session access control judgement of present networks system;

B4, service network are inquired about the terminal standing state;

If the strength of transmitted signals of detected other access networks of power supply degree and terminal that the terminal is present, network load condition etc. need be as the Considerations of associating access control, then the inquiry of terminal power supply status is carried out at service network and terminal; In addition, service network also to terminal inquiry by the strength of transmitted signals of detected other access networks in terminal, network load condition etc.

B5, service network send resource and switch query requests to candidate network;

B6, candidate network are carried out the session access control judgement of present networks system;

Each candidate network is carried out session access control judgement according to its other resources situation and received resource and switching query requests.The possibility of result of judgement is the partial session of the access of not supporting this terminal session, a support terminal or all sessions etc.

B7, candidate network are returned resource and are switched the query requests response to service network;

B8, service network carry out conversation shift control judgement;

Service network gathers the information that receives, and according to candidate network and the session case that can support, carries out conversation shift control judgement.The result of judgement is except that the session request is moved to the candidate network; Also determine other relevant whole sessions or partial sessions to move to selected same network; Also can be that partial session is moved to a candidate network, another part conversation shift be to another candidate network.The result of judgement also possibly be this conversation request at refusal terminal, if this conversation request at refusal terminal is then directly notified the terminal.

B9, service network send the conversation shift request to the candidate network of choosing;

Service network notifies the corresponding candidate network of choosing (one or more) to carry out the transfer of session access, some or all of session, comprises terminal iidentification, session QoS information, the processing behavior of session identification, associated session etc.

The branch orientation service network that B10, the candidate network of choosing are accomplished the network side resource returns the conversation shift response;

After candidate network receives the notice of service network, carry out resource allocation, adjust the associated session at resource access terminal, and return the conversation shift response to service network.

B11, service network send the conversation shift order to the terminal.

Service network is according to the conversation shift request of sending to the candidate network of choosing, and whole conversation shifts are carried out at the notice terminal, partial session moves, perhaps stops this conversation request etc.

Above-mentionedly introduce distributed session admittance control method, below introduced centralized session admittance control method.

Seeing also Fig. 4, is the scene application drawing of the centralized associating session of embodiment of the invention access control.

Comprise terminal MS, network 1,2 and 3 among the figure, and the CRRM functional entity that is connected with network 1,2,3.The CRRM functional entity is responsible for associating session access control management.Network 1 to 3 all contains the sRRM functional entity.The sRRM functional entity is responsible for the RRM of single system.MS is connected with network 2, but also can link to each other with a plurality of networks simultaneously.Network 2 is a service network, and other are candidate network.The CRRM functional entity can be outside the sRRM of each network functional entity, also can with certain sRRM functional entity on same actual physical device.To the access control under the multi-radio access technology, can be that the sRRM functional entity carries out the access control judgement in advance, can't handle and just notify the CRRM functional entity to carry out the associating access control; Also can be that the CRRM functional entity carries out the associating access control for any access request, the sRRM functional entity that reinforms network of relation carries out resource allocation etc.

Seeing also Fig. 5, is the embodiment one signaling process figure of the centralized associating session of embodiment of the invention admittance control method.In this embodiment, mainly be that network carries out suggestion, make a strategic decision in the terminal.Specifically comprise step:

C1, service network receive conversation request;

C2, service network carry out the session access control judgement of present networks system;

C3, terminal capability and standing state are inquired about;

C4, service network send associating session access control request to the CRRM functional entity;

Service network is according to terminal capability and the standing state information obtained; And information and the self networks resource operating position that possibly support other access networks of this terminal traffic at present; Send associating session access control request to the CRRM functional entity, the information that comprises terminal iidentification, terminal capability, the present ongoing associated session in terminal in the request and state (communicating by letter) and carrying out information and the state (access request) etc. of the conversation request of access request.

C5, CRRM functional entity send the resource query request to candidate network;

If the CRRM functional entity does not have the utilization of resources situation of each instant possible candidate network; Also can't estimate according to the utilization of resources situation of each network before; Then send the resource query request to each possible candidate network; Hope the query resource situation; Whether the information that comprises terminal iidentification, terminal capability, the present ongoing associated session in terminal in the request and state (communicating by letter) and carrying out information and the state (access request) etc. of the conversation request of access request possibly support the information that these are professional so that each candidate network can provide.

C6, candidate network are returned the resource query response to the CRRM functional entity;

C7, CRRM functional entity carry out associating session access control judgement;

The CRRM functional entity according to the utilization of resources information of the network of relation that receives, carry out the access control judgement, the candidate network that for example judgement can the support terminal conversation request also can further be adjudicated the candidate network of other associated sessions that can support terminal.

C8, CRRM functional entity return associating session access control response to service network;

After the CRRM functional entity is adjudicated, relevant recommended candidate network is fed back to service network in associating session access control response message, comprise the processing behavior of terminal iidentification, session QoS information, session identification and associated session etc. in the message.The processing behavior of associated session is meant that which is to support in the terminal session, and which cannot be supported.

Send the conversation shift request to the terminal after C9, the service network summary information;

Service network sends to the terminal with the information of relevant recommended candidate network and the information of self.The information of service network self comprises the processing behavior of session identification and associated session.Service network is meant that for the processing behavior of associated session which is to support in the terminal session, and which cannot be supported.

Conversation shift control judgement is carried out at C10, terminal.

Need to prove, also can inquire about terminal capability and standing state in the present embodiment by the CRRM functional entity.In addition, step C9 also can directly send the conversation shift request to the terminal by the CRRM functional entity.

Seeing also Fig. 6, is the embodiment two signaling process figure of the centralized associating session of embodiment of the invention admittance control method.In this embodiment, mainly be that network is made a strategic decision.Specifically comprise step:

D1, service network are inquired about terminal capability;

D2, service network receive conversation request;

D3, service network are inquired about the terminal standing state;

D4, service network send associating session access control request to the CRRM functional entity;

D5, CRRM functional entity send the resource query request to candidate network;

D6, candidate network are returned the resource query response to the CRRM functional entity;

D7, CRRM functional entity carry out associating session access control judgement;

D8, CRRM functional entity send the conversation shift request to the candidate network of choosing;

The CRRM functional entity notifies the corresponding candidate network of choosing (one or more) to carry out the transfer of session access, some or all of session, comprises terminal iidentification, session QoS information, the processing behavior of session identification, associated session etc.

The branch orientation CRRM functional entity that D9, the candidate network of choosing are accomplished the network side resource returns the conversation shift response;

After candidate network receives the notice of CRRM functional entity, carry out resource allocation, adjust the associated session at resource access terminal, and return the conversation shift response to the CRRM functional entity.

D10, CRRM functional entity return associating session access control response to service network;

D11, service network send the conversation shift order to the terminal.

Service network sends the conversation shift order to the terminal, and whole conversation shifts are carried out at the notice terminal, partial session moves, perhaps stops this conversation request etc.This conversation shift order also can directly send to the terminal by the CRRM functional entity.

Seeing also Fig. 7, is the embodiment three signaling process figure of the centralized associating session of embodiment of the invention admittance control method.In this embodiment, mainly be that network is made a strategic decision, and possibly influence the session of service network.Specifically comprise step:

E1, CRRM functional entity are inquired about terminal capability;

The CRRM functional entity carries out capability query to the terminal.Terminal capability is meant: whether support multi-radio access technology; Which supports plant wireless access technology; Whether can support multiple wireless access technology by synchronization; Whether can support same data flow via different access network incoming terminal etc.

E2, CRRM functional entity receive conversation request;

Comprise in the conversation request that the CRRM functional entity receives: information such as the speed that professional type, the QoS of required assurance, needs are supported, the delay that can tolerate, shake.This conversation request can come self terminal perhaps from the upper strata, for example application layer.

E3, CRRM functional entity are inquired about the terminal standing state;

If the strength of transmitted signals of detected other access networks of power supply degree and terminal that the terminal is present, network load condition etc. need be as the Considerations of associating access control, then the inquiry of terminal power supply status is carried out at CRRM functional entity and terminal; In addition, the CRRM functional entity also to terminal inquiry by the strength of transmitted signals of detected other access networks in terminal, network load condition etc.

E4, CRRM functional entity send the resource query request to service network and candidate network;

If the CRRM functional entity does not have each the instant possible candidate network and the utilization of resources situation of service network; Also can't estimate according to the utilization of resources situation of each network before; Then send the resource query request to each possible candidate network and service network; Hope the query resource situation; Whether the information that comprises terminal iidentification, terminal capability, the present ongoing associated session in terminal in the request and state (communicating by letter) and carrying out information and the state (access request) etc. of the conversation request of access request possibly support the information that these are professional so that each candidate network and service network can provide.

E5, service network and candidate network are returned the resource query response to the CRRM functional entity;

E6, CRRM functional entity carry out associating session access control judgement;

The CRRM functional entity according to the utilization of resources information of the network of relation that receives, carry out the access control judgement, the network that for example judgement can the support terminal conversation request also can further be adjudicated the network of other associated sessions that can support terminal.

E7, CRRM functional entity send the conversation shift request to the network of choosing;

Need to prove; If the migration of some or all of session has related to the session in the present service network; Then the CRRM functional entity also carries out the notification service network processing such as release, adjustment of related resource; Comprise terminal iidentification, session QoS information, the processing behavior of session identification, associated session etc.

E8, service network and candidate network are returned the conversation shift response to the CRRM functional entity;

After candidate network receives the notice of CRRM functional entity, carry out resource allocation, adjust the associated session at resource access terminal, and return the conversation shift response to the CRRM functional entity;

Service network carries out the processing such as release, adjustment of related resource to affected associated session, for example reduce in the service network other just in the service quality of the ongoing some or all of session of user, and returns the conversation shift response to the CRRM functional entity.

Need to prove; If the migration of some or all of session has related to the session in the present service network; Then also the notification service network is carried out the processing such as release, adjustment of related resource, comprise terminal iidentification, session QoS information, the processing behavior of session identification, associated session etc.

E9, CRRM functional entity send the conversation shift order to the terminal.

The CRRM functional entity is according to the access control the made judgement and the conversation shift request of sending to candidate network and service network, and the notice terminal is carried out whole conversation shifts, partial session migration, perhaps stopped this conversation request etc.

Seeing also Fig. 8, is the embodiment four signaling process figure of the centralized associating session of embodiment of the invention admittance control method.In this embodiment, mainly be that network is made a strategic decision, and can influence the user that other are carrying out session.Specifically comprise step:

F1, CRRM functional entity are inquired about terminal capability;

F2, CRRM functional entity receive conversation request;

F3, CRRM functional entity are inquired about the terminal standing state;

F4, CRRM functional entity send the resource query request to service network and candidate network;

F5, service network and candidate network are returned the resource query response to the CRRM functional entity;

F6, CRRM functional entity carry out associating session access control judgement;

F7, associated session is handled;

If the decision of CRRM functional entity reduces the service quality of other sessions at terminal; Perhaps reduce the service quality of other users' in the network that can admit conversation request some or all of session; Perhaps can admit other users' in the network of conversation request some or all of session to move; Then the processing of associated session is carried out at relevant network and the terminal of CRRM notice, to vacate the Radio Resource of admitting this conversation request.Here said other users or session can be the users of low priority, the perhaps not high session of quality of service requirement.

F8, CRRM functional entity send the conversation shift request to the network of choosing;

F9, service network and candidate network are returned the conversation shift response to the CRRM functional entity;

F10, CRRM functional entity send the conversation shift order to the terminal.

Seeing also Fig. 9, is the scene application drawing of the associating session access control of the distributed and centralized combination of the embodiment of the invention.

Comprise terminal MS, network 1,2 and 3 among the figure, and the CRRM functional entity that is connected with network 2,3.The CRRM functional entity is responsible for associating session access control management.Network 2 and 3 contains the sRRM functional entity.The sRRM functional entity is responsible for the RRM of single system.Network 1 contains CRRM functional entity and sRRM functional entity.MS is connected with network 2, but also can link to each other with a plurality of networks simultaneously.Network 2 is a service network, and other are candidate network.

Associating session admittance control method under this embodiment scene is used is centralized and the combination distributed conversation admittance control method.If the service network at terminal is a network 2; Then network 2 will carry out associative operation by centralized flow process with network 3; And network 1 is because contain CRRM functional entity and sRRM functional entity simultaneously; So will carry out associative operation by distributed flow process, the content that concrete distributed and centralized access control flow process is introduced with reference to the front no longer details here.

Foregoing has been introduced the session admittance control method of the embodiment of the invention in detail, and the embodiment of the invention also provides network system accordingly.

The network system of the embodiment of the invention can be divided into centralized and distributed.

Seeing also Figure 10, is the distributed network architecture sketch map of the embodiment of the invention.This network system comprises terminal 100, service network 200 and candidate network 300.Service network 200 in the network system all contains CRRM functional entity and sRRM functional entity with candidate network 300.The CRRM functional entity is responsible for associating session access control management; The sRRM functional entity is responsible for the RRM of single system.

Terminal 100 is used to initiate a session request, and carries out information interaction with service network 200.

Service network 200 is used to obtain the conversation request at terminal 100, through with the ability information of obtaining terminal 100 alternately at terminal 100.The ability at terminal is meant: whether support multi-radio access technology; Which supports plant wireless access technology; Whether can support multiple wireless access technology by synchronization; Whether can support same data flow via different access network incoming terminal etc.Service network 200 can also be inquired about the power supply status at terminal 100.Whether sufficient the power supply status at terminal be meant terminal power supply and concrete power strength.In addition, service network 200 also can be to terminal 100 inquiry by the strength of transmitted signals of terminal 100 detected other access networks, network load condition etc.

Service network 200 to candidate network 300 inquiries and obtain the network resource information of candidate network 300, is made the access selection according to the network resource information and the self networks resource information of the said candidate network of obtaining 300 to the session at terminal 100 according to the conversation request at said terminal 100 and ability information and other relevant informations.The result that access is selected is can be except that the conversation request at terminal 100 is moved to the candidate network; Can also whole sessions or partial session that other are relevant move to selected same candidate network; Also can be that partial session is moved to a candidate network, another part conversation shift be to another candidate network.The result that access is selected also possibly be this conversation request at refusal terminal 100.

Candidate network 300 is used for carrying out information interaction with service network 200, receives the inquiry of service network 200 and the self networks resource information is returned to service network 200.

After the conversation request at 200 pairs of terminals 100 of service network and associated session are made the access selection; Can the information that access is selected be sent to terminal 100; Make final conversation shift judgement by terminal 100; The migration that makes at terminal 100 judgement comprises decision with the session request and other sessions are all moved or the part migration, and perhaps decision stops conversation request.

After the conversation request at 200 pairs of terminals 100 of service network and associated session are made the access selection; Also can directly notify selected candidate network 300 allotting network resources; Adjust the associated session at resource access terminal 100, and carry out conversation shift by selected candidate network 300 notice terminals 100.The conversation shift that carries out of notice terminal 100 comprises other sessions at the conversation request at terminal and terminal is all moved or the part migration.

Seeing also Figure 11, is the centralized network architecture sketch map of the embodiment of the invention.This network system comprises terminal 100, service network 200, candidate network 300 and CRRM functional entity 400.Candidate network 300 in the network system contains the sRRM functional entity.The sRRM functional entity is responsible for the RRM of single system, and the CRRM functional entity is responsible for associating session access control management.

As the case may be, centralized network system has following two kinds of operational modes.

First kind of mode is:

Service network 200 according to the conversation request at said terminal 100 and ability information and other relevant informations to candidate network 300 inquiries and obtain the network resource information of candidate network 300, according to the network resource information of the said candidate network of obtaining 300 and self networks resource information to the 400 transmission session access control requests of CRRM functional entity.

CRRM functional entity 400; Be used for according to said session access control request according to the network resource information of the said candidate network of obtaining 300 and the network resource information of service network 200 the access selection being made in the session at terminal 100 to candidate network 300 inquiry and obtain the network resource information of candidate network 300.The result that access is selected is can be except that the conversation request at terminal 100 is moved to the candidate network; Can also whole sessions or partial session that other are relevant move to selected same candidate network; Also can be that partial session is moved to a candidate network, another part conversation shift be to another candidate network.The result that access is selected also possibly be this conversation request at refusal terminal 100.

Candidate network 300 is used for carrying out information interaction with CRRM functional entity 400, receives the inquiry of CRRM functional entity 400 and the self networks resource information is returned to CRRM functional entity 400.

After the conversation request at 400 pairs of terminals 100 of CRRM functional entity and associated session are made the access selection; Can the information that access is selected directly be sent to terminal 100 or send to terminal 100 through service network 200; Make final conversation shift judgement by terminal 100; The migration that makes at terminal 100 judgement comprises decision with the session request and other sessions are all moved or the part migration, and perhaps decision stops conversation request.

After the conversation request at 400 pairs of terminals 100 of CRRM functional entity and associated session are made the access selection; Also can directly notify selected candidate network 300 allotting network resources; Adjust the associated session at resource access terminal 100, and by notifying through service network 200 or directly notifying terminal 100 to carry out conversation shift.The conversation shift that carries out of notice terminal 100 comprises other sessions at the conversation request at terminal and terminal is all moved or the part migration.

The second way is:

Terminal 100 is used to initiate a session request, and carries out information interaction with CRRM functional entity 400.

CRRM functional entity 400 is used to obtain the conversation request at terminal 100, through with the ability information of obtaining terminal 100 alternately at terminal 100.The ability at terminal is meant: whether support multi-radio access technology; Which supports plant wireless access technology; Whether can support multiple wireless access technology by synchronization; Whether can support same data flow via different access network incoming terminal etc.CRRM functional entity 400 can also be inquired about the power supply status at terminal 100.Whether sufficient the power supply status at terminal be meant terminal power supply and concrete power strength.In addition, CRRM functional entity 400 also can be to terminal 100 inquiry by the strength of transmitted signals of terminal 100 detected other access networks, network load condition etc.

CRRM functional entity 400 according to the conversation request at said terminal 100 and ability information and other relevant informations to service network 200 with candidate network 300 inquiries and obtain service network 200 and the network resource information of candidate network 300, according to the network resource information of the said candidate network of obtaining 300 and the network resource information of service network 200 the access selection is made in the session at terminal 100.The result that access is selected is can be except that the conversation request at terminal 100 is moved to the candidate network; Can also whole sessions or partial session that other are relevant move to selected same candidate network; Also can be that partial session is moved to a candidate network, another part conversation shift be to another candidate network.The result that access is selected also possibly be this conversation request at refusal terminal 100.

Service network 200 and candidate network 300 are used for carrying out information interaction with CRRM functional entity 400, receive the inquiry of CRRM functional entity 400 and the self networks resource information is returned to CRRM functional entity 400.

After the conversation request at 400 pairs of terminals 100 of CRRM functional entity and associated session are made the access selection; Can directly notify selected candidate network 300 allotting network resources; Adjust the associated session at resource access terminal 100, and conversation shift is carried out at notice terminal 100.The conversation shift that carries out of notice terminal 100 comprises other sessions at the conversation request at terminal and terminal is all moved or the part migration.If the migration of some or all of session has related to the session in the present service network 200, then CRRM functional entity 400 also carries out notification service network 200 release, adjustment of related resource etc.

Need to prove that also above-mentioned is to have introduced centralized and distributed network system respectively, also can be with the centralized and distributed network system that forms a kind of mixing that combines.

In sum; The technical scheme of the embodiment of the invention is to obtain the conversation request at terminal; Through with the ability information of obtaining the terminal alternately at terminal; According to the conversation request at said terminal and ability information inquiry and obtain the for example network resource information of service network or candidate network of network of relation, and according to these network resource informations access is made in the session at terminal and select.Obtain the conversation request at terminal and can be undertaken by service network or CRRM functional entity with the ability information that terminal interaction obtains the terminal, it also can be to be undertaken by service network or CRRM functional entity that the session at terminal is made that access selects.Therefore the technical scheme of the embodiment of the invention has increased the internetwork information interaction flow process in terminal and service network and other; It is more detailed that being used to of obtaining made the relevant information that access selects; Thereby can be applicable to various types of session access controls, practicality is stronger.

Further, for the access control judgement, the technical scheme that the embodiment of the invention provides can provide two kinds of patterns, and a kind of is the pattern of network suggestion, terminal decision-making, and another kind is the pattern of network decision-making, thereby provides more applications to select.Pattern for network suggestion, terminal decision-making; After service network or CRRM functional entity are made the access selection to the session at terminal; The information that access is selected sends to the terminal; Make the conversation shift judgement by the terminal, said migration judgement comprises that decision is all moved other sessions at said conversation request and terminal or the part migration, and perhaps decision stops conversation request.Pattern for the network decision-making; After service network or CRRM functional entity are made the access selection to the session at terminal; The candidate network allotting network resource that notice is selected; And carrying out conversation shift by said selected candidate network notice terminal, said conversation shift comprises other sessions at the conversation request at terminal and terminal is all moved or the part migration.

In addition; The prior art scheme only relates to the conversation request that single session access control promptly only is directed against the terminal; The processing of other associated sessions at terminal is not provided; And the embodiment of the invention is adjudicated the conversation request that not only relates to the terminal about access control, also can relate to ongoing other sessions in terminal, and court verdict comprises: be admitted to this service network; Suggestion perhaps forces the partial session of switching terminal to other networks; Suggestion perhaps forces whole sessions at terminal to switch to other networks etc.And; Also relate in the embodiment of the invention and reduce in the access network other just in the service quality of the ongoing some or all of session of user; And the access network switches to other networks with associated user's some or all of session; With the conversation request that resource access terminal is provided and the correlation circumstance of associated session thereof, so the technical scheme of the embodiment of the invention considers that situation is more thorough.

More than a kind of session admittance control method and network system that the embodiment of the invention provided have been carried out detailed introduction; Used concrete example among this paper the principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment just is used to help to understand the method for the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the thought of the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.

Claims

1. a session admittance control method is characterized in that, comprising:

Service network through with the ability information of obtaining the terminal alternately at terminal;

Service network according to the conversation request at the terminal of said reception and the ability information at the said terminal that obtains, sends query requests to candidate network, and obtains the network resource information that candidate network is returned after the conversation request of receiving terminal;

Service network is made the access processing according to the network resource information and the self networks resource information of the said candidate network of obtaining to the session at terminal;

Wherein, service network further comprised before candidate network is sent query requests: service network carries out the access control judgement of this service network according to the conversation request at the terminal that receives;

Service network further comprises after candidate network is sent query requests: candidate network is carried out the access control judgement of this candidate network according to the query requests that receives, and returns network resource information to service network.

2. session admittance control method according to claim 1 is characterized in that:

Said service network is made after access handles the session at terminal according to the network resource information of the said candidate network of obtaining and self networks resource information, further comprises: process information is sent to the terminal, make the conversation shift judgement by the terminal;

Carry the sign of service network and candidate network and the session identification of support in the said process information;

Said migration judgement comprises: decision is all moved other sessions at said conversation request and terminal or the part migration, and perhaps decision stops conversation request.

3. session admittance control method according to claim 1 is characterized in that:

Said service network is made after access handles the session at terminal according to the network resource information of the said candidate network of obtaining and self networks resource information; Further comprise: process information is sent to selected candidate network; By said selected candidate network according to process information allotting network resource, and the notice terminal carry out conversation shift;

The session identification of carried terminal sign and access in the said process information;

Said conversation shift comprises other sessions at the conversation request at terminal and terminal is all moved or part migration.

4. session admittance control method according to claim 1 is characterized in that:

The ongoing session information of conversation request information and terminal that initiate at carried terminal sign, terminal capability, terminal in the query requests of said transmission;

The session identification of carried terminal sign and support in the said network resource information that returns.

5. session admittance control method according to claim 1 is characterized in that:

Comprise through with the mutual signal strength information that further obtains detected other networks of power information and terminal at terminal at terminal, and carry out network resource information according to the signal strength information selection network of detected other networks of power information and terminal at the said terminal that obtains and inquire about.

6. session admittance control method according to claim 1 is characterized in that:

The ability information at said terminal comprises network type that the terminal is supported and the network type that can support simultaneously.

7. a session admittance control method is characterized in that, comprising:

Service network is after the conversation request of receiving terminal; The ability information and the self networks resource information at the conversation request at the terminal of said reception, the said terminal that obtains are sent to collaborative RRM CRRM functional entity; Said CRRM functional entity is according to the information that receives; Send query requests to candidate network, and obtain the network resource information that candidate network is returned;

Said CRRM functional entity is made access with service network of network resource information to the session at terminal according to the network resource information of the said candidate network of obtaining and is handled.

8. session admittance control method according to claim 7 is characterized in that:

After said network resource information according to the said candidate network of obtaining is made the access processing with service network of network resource information to the session at terminal, further comprise: process information is sent to the terminal, make the conversation shift judgement by the terminal;

9. session admittance control method according to claim 7 is characterized in that:

After said network resource information according to the said candidate network of obtaining is made the access processing with service network of network resource information to the session at terminal; Further comprise: process information is sent to selected candidate network; By said selected candidate network according to process information allotting network resource, and the notice terminal carry out conversation shift;

10. session admittance control method according to claim 7 is characterized in that:

11. session admittance control method according to claim 7 is characterized in that:

After said CRRM functional entity is made the access processing with service network of network resource information to the session at terminal according to the network resource information of the said candidate network of obtaining; Further comprise: transmission carries the notification message of the session identification that needs adjustment to service network, and service network carries out the resource adjustment according to said notification message to the session in this service network.

12. session admittance control method according to claim 7 is characterized in that:

13. session admittance control method according to claim 7 is characterized in that:

14. a session admittance control method is characterized in that, comprising:

Collaborative RRM CRRM functional entity through with the ability information of obtaining the terminal alternately at terminal;

Said CRRM functional entity is after the conversation request of receiving terminal; According to the conversation request at the terminal of said reception and the ability information at the said terminal that obtains; Send query requests to service network and candidate network, and obtain the network resource information that service network and candidate network are returned;

15. session admittance control method according to claim 14 is characterized in that:

16. session admittance control method according to claim 14 is characterized in that:

Saidly the session at terminal is made after access handles according to the said network resource information that obtains; Further comprise: process information is sent to selected candidate network; By said selected candidate network according to process information allotting network resource, and the notice terminal carry out conversation shift;

17. session admittance control method according to claim 14 is characterized in that:

18. session admittance control method according to claim 14 is characterized in that:

19. session admittance control method according to claim 14 is characterized in that:

20. session admittance control method according to claim 14 is characterized in that:

21. a network system is characterized in that, comprising:

Terminal, service network, candidate network and collaborative RRM CRRM functional entity;

Said terminal is used to initiate a session request, and carries out information interaction with service network;

Said service network is used to obtain the conversation request at terminal, through with the ability information of obtaining the terminal alternately at terminal, the conversation request at said terminal and ability information and self networks resource information are sent to the CRRM functional entity;

Said CRRM functional entity sends query requests according to the information that receives to candidate network; And obtain the network resource information that candidate network is returned, with service network of network resource information access is made in the session at terminal according to the network resource information of the said candidate network of obtaining and handle;

Said candidate network is used for carrying out information interaction with the CRRM functional entity, receives the query requests of CRRM functional entity, and the self networks resource information is returned to the CRRM functional entity.

22. a network system is characterized in that, comprising:

Said terminal is used to initiate a session request, and carries out information interaction with the CRRM functional entity;

Said CRRM functional entity; Be used to obtain the conversation request at terminal; Through with the ability information of obtaining the terminal alternately at terminal; Send query requests according to the conversation request at said terminal and ability information to service network and candidate network, and obtain the network resource information that service network and candidate network are returned, the access processing is made in the session at terminal according to the network resource information and the service network of network resource information of the said candidate network of obtaining;

Said candidate network and service network are used for carrying out information interaction with the CRRM functional entity, receive the query requests of CRRM functional entity, and the self networks resource information is returned to the CRRM functional entity.