CN101494589A

CN101494589A - Management system and method for transmission resource

Info

Publication number: CN101494589A
Application number: CNA2008100043904A
Authority: CN
Inventors: 牟博语; 牟川; 薛琦
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2008-01-22
Filing date: 2008-01-22
Publication date: 2009-07-29
Anticipated expiration: 2028-01-22
Also published as: CN101494589B

Abstract

The invention provides a resource transmission management system and a method thereof, which are applicable to a node conforming to a UTRAN structure in the third generation of a mobile communication system. The system comprises a wireless network layer and a transmission network control plane, wherein, the transmission network control plane comprises a transmission management module used for distributing and managing transmission resources required for bearing when receiving a request which is related to bearing and sent by the wireless network layer according to the request. The method includes the following steps: the wireless network layer sends the request related to bearing to the transmission management module, and the transmission management module distributes and manages the transmission resources required for bearing according to the request. By adopting the invention, the unified management of the transmission resources in a plurality of bearing modes is realized by additionally arranging the transmission management module between the wireless network layer and an ALCAP module and an IPCSP module of the transmission control plane, an interface between the wireless network layer and the transmission control plane can be simplified, and the influence of the difference of bearing modes on the wireless network layer can be isolated.

Description

A kind of management system of transfer resource and method

Technical field

The present invention relates to the 3G (Third Generation) Moblie technical field, be specifically related to mix the transmission resource management system and method that carries based on ATM (asynchronous transfer mode) and IP in a kind of broadband network system.

Background technology

The protocol architecture model of universal land radio access web in the 3G (Third Generation) Moblie network (Universal Terrestrial RadioAccess Network is hereinafter to be referred as UTRAN) mainly comprises two-layer: wireless network layer and transport network layer.Transport network layer divides transmission network user plane and transmission network control plane again.The transmission network control plane is all the control signaling services in the transport layer, does not comprise any wireless network layer information.It is included as user plane and sets up the ALCAP of transmission bearer (Data-carrying) (AccessLink Control Application Part) agreement, and the signaling bear of ALCAP needs.

Radio network controller (Radio Network Controller is hereinafter to be referred as RNC) belongs to the node of UTRAN, follows above structure.The structure of UTRAN has been pointed out separating of its wireless network layer and transport layer, and promptly wireless network layer does not rely on specific transmission technology.It is feasible increasing the transmission resource management module so between the control plane of wireless network layer and transport layer, can concentrate by this module resources such as transmission channel, bandwidth are effectively managed and controlled.Particularly the ability of RNC from strength to strength, the base station of support (hereinafter to be referred as NodeB) quantity, number of users are more and more, the transmission bearer of IuB mouth and the required foundation of Iu mouth is also more and more, therefore effectively the transmission resource management method also presses for.

Along with the ripe and development of IP technology, the IP transmission technology progressively penetrates into the mobile communication technology field, and traditional transmission means based on ATM can not satisfy the demands, all-IP technology well afoot.For the different transmission means of ATM, IP, wireless network layer adopts different processing methods in the system in the past, be respectively transport layer different interfaces is provided, and transport layer is carried out different transfer resource distribution according to the difference of interface.This method has increased the burden of wireless network layer, and interface is numerous, manageability not, and autgmentability is poor.If can realize the influence of the difference of bearing mode to wireless network layer isolated in ATM carrying, IP carrying carrying out the uniformly management of transfer resource, will be necessary and significant.

Summary of the invention

The technical problem to be solved in the present invention provides a kind of management system and method for transfer resource, can realize under the multiple bearing mode the unified management of transfer resource and call, and can simplify wireless network layer and the interface of transmission between the control plane, isolate of the influence of the difference of bearing mode to wireless network layer.

In order to address the above problem, the invention provides a kind of management system of transfer resource, be applicable to the node of following the UTRAN structure in the third generation mobile system, comprise: wireless network layer and transmission network control plane, it is characterized in that described transmission network control plane comprises transport management module;

When being used to receive wireless network layer sends the request relevant with carrying, described transport management module distributes and required transfer resource is carried in management according to described request.

Distribute according to described request when further, described transport management module is used to receive wireless network layer sends the request relevant with carrying and management is carried required transfer resource and comprised following several situation:

If described request is set up request for carrying, described transport management module is carried out taking of transfer resource according to the carrying request of setting up, and distributes the bearing identification symbol; Return carrying to wireless network layer after transport management module also handles accordingly according to bearing mode and set up acknowledge message;

If described request is the bearing modification request, described bearing modification request comprises bearing identification symbol and new bandwidth on demand, described transport management module is searched corresponding bearing mode according to bearing identification symbol wherein, and carry out bearing modification according to new bandwidth on demand, also return the bearing modification acknowledge message to wireless network layer according to the bearing mode back that handles accordingly;

If described request discharges request for carrying, described carrying discharges request and comprises the bearing identification symbol, and described transport management module is searched corresponding bearing mode according to bearing identification symbol wherein, discharges transfer resource, and handles accordingly according to bearing mode;

If described request is the keep-alive request, described keep-alive request comprises the bearing identification symbol, and described transport management module is searched corresponding bearing mode according to bearing identification symbol wherein, and returns the keep-alive acknowledge message according to the bearing mode back that handles accordingly to wireless network layer.

Further, described system also comprises database; Described database links to each other by database interface with transport management module, is used to store the residue transfer resource of each bearing mode correspondence and total transfer resource;

Described transport management module comprises public management module, IP related process module, ALCAP related process module and IPCSP related process module; Described transmission network control plane also comprises ALCAP module and IPCSP module;

Described request comprises identifier, bearing mode and the bandwidth on demand of wireless network layer;

Described transport management module is carried out taking of transfer resource according to carrying request and is meant: public management module receives that wireless network layer sets up after carrying that request interface sends sets up request by carrying, check whether enough transfer resources are arranged in the database according to bearing mode by database interface by the request bandwidth allocation transfer resource, be then to carry out taking of transfer resource, and distribute bearing identification to accord with, set up and preserve the carrying example, if bearing mode is the ATM carrying, public management module is also distributed transmission channel for it;

Described transport management module is also returned carrying to wireless network layer and is set up acknowledge message and be meant according to the bearing mode back that handles accordingly: when bearing mode is the IP carrying, public management module is transmitted to the IP related process module with the described carrying request of setting up, and reply interface and be transmitted to wireless network layer in receiving to set up by carrying after acknowledge message is set up in carrying that described IP related process module is returned, when bearing mode is the ATM carrying, public management module is transmitted to the ALCAP related process module with the described carrying request of setting up, and reply interface and be transmitted to wireless network layer in receiving to set up by carrying after acknowledge message is set up in carrying that described ALCAP related process module is returned, if there is intermediate equipment, and RNC is the IP carrying to intermediate equipment, intermediate equipment is the ATM carrying to the base station, public management module will be carried the request of setting up and will be transmitted to the IPCSP module, and reply interface and be transmitted to wireless network layer in receiving to set up by carrying after acknowledge message is set up in carrying that the IPCSP module is returned;

The IP related process module is returned carrying to public management module and is set up acknowledge message after being used to receive that request is set up in carrying that public management module is sent;

The ALCAP related process module will carry to set up and ask to be transmitted to the ALCAP module after being used to receive that request is set up in carrying that public management module is sent, and be transmitted to public management module in receiving after acknowledge message is set up in carrying that described ALCAP module is returned;

The IPCSP related process module will carry to set up and ask to be transmitted to the IPCSP module after being used to receive that request is set up in carrying that public management module is sent, and be transmitted to public management module in receiving after acknowledge message is set up in carrying that described IPCSP module is returned;

Described carrying is set up acknowledge message and is carried the bearing identification symbol.

Further, described transport management module is searched corresponding bearing mode according to bearing identification symbol wherein, and carry out bearing modification according to new bandwidth on demand and be meant: after public management module is received the bearing modification request that wireless network layer sends by the bearing modification request interface, search corresponding bearing mode according to the bearing identification symbol, and by in the database interface judgment data storehouse residue transfer resource whether can carry out bearing modification by new bandwidth on demand, can then carry out taking of transfer resource again, and upgrade corresponding carrying example;

Returning the bearing modification acknowledge message to wireless network layer after described transport management module also handles accordingly according to bearing mode is meant: when bearing mode is the IP carrying, public management module is transmitted to the IP related process module with described bearing modification request, and after receiving the bearing modification acknowledge message that described IP related process module is returned, be transmitted to wireless network layer by bearing modification answer interface, when bearing mode is the ATM carrying, public management module is transmitted to the ALCAP related process module with described bearing modification request, and after receiving the bearing modification acknowledge message that described ALCAP related process module is returned, be transmitted to wireless network layer by bearing modification answer interface, if there is intermediate equipment, and RNC is the IP carrying to intermediate equipment, intermediate equipment is the ATM carrying to the base station, public management module is transmitted to the IPCSP module with the bearing modification request, and is transmitted to wireless network layer by bearing modification answer interface after receiving the bearing modification acknowledge message that the IPCSP module is returned;

The IP related process module is returned the bearing modification acknowledge message to public management module after being used to receive the bearing modification request that public management module sends;

The ALCAP related process module is transmitted to the ALCAP module with the bearing modification request, and is transmitted to public management module after receiving the bearing modification acknowledge message that described ALCAP module is returned after being used to receive the bearing modification request that public management module sends;

The IPCSP related process module is transmitted to the IPCSP module with the bearing modification request, and is transmitted to public management module after receiving the bearing modification acknowledge message that described IPCSP module is returned after being used to receive the bearing modification request that public management module sends.

Further, described transport management module is searched corresponding bearing mode according to bearing identification symbol wherein, the release transfer resource is meant: after public management module receives that wireless network layer discharges carrying that request interface sends and discharges request by carrying, search corresponding bearing mode according to the bearing identification symbol, and call database interface release transfer resource, and discharge the carrying example of public management module storage;

Described transport management module handles accordingly according to bearing mode and is meant: when bearing mode is the IP carrying, public management module discharges request with described carrying and is transmitted to the IP related process module, when bearing mode is the ATM carrying, public management module discharges request with described carrying and is transmitted to the ALCAP related process module, if there is intermediate equipment, and RNC is that IP carrying, intermediate equipment are the ATM carrying to the base station to intermediate equipment, and public management module will be carried the request of release and is transmitted to the IPCSP related process module;

The carrying that described ALCAP related process module is used for that also public management module is sent discharges request and is transmitted to the ALCAP module;

The carrying that described IPCSP related process module is used for that also public management module is sent discharges request and is transmitted to the IPCSP module.

Further, after described public management module is received the keep-alive request that wireless network layer sends by the keep-alive request interface, check according to the bearing identification symbol whether corresponding carrying example is arranged, be then to draw corresponding bearing mode, returning the keep-alive acknowledge message to wireless network layer after described transport management module handles accordingly according to bearing mode is meant: when bearing mode is the IP carrying, public management module is transmitted to the IP related process module with described keep-alive request, and after receiving the keep-alive acknowledge message that described IP related process module is returned, be transmitted to wireless network layer by keep-alive answer interface, when bearing mode is the ATM carrying, public management module is transmitted to the ALCAP related process module with described keep-alive request, and after receiving the keep-alive acknowledge message that described ALCAP related process module is returned, be transmitted to wireless network layer by keep-alive answer interface, if there is intermediate equipment, and RNC is the IP carrying to intermediate equipment, intermediate equipment is the ATM carrying to the base station, public management module is transmitted to the IPCSP module with the keep-alive request, and is transmitted to wireless network layer by keep-alive answer interface after receiving the keep-alive acknowledge message that the IPCSP module is returned;

Described IP related process module is returned the keep-alive acknowledge message to described public management module after also being used to receive the keep-alive request that public management module sends;

Described ALCAP related process module is transmitted to the ALCAP module with the keep-alive request, and is transmitted to public management module after receiving the keep-alive acknowledge message that described ALCAP module is returned after also being used to receive the keep-alive request that public management module sends;

Described IPCSP related process module is transmitted to the IPCSP module with the keep-alive request, and is transmitted to public management module after receiving the keep-alive acknowledge message that described IPCSP module is returned after also being used to receive the keep-alive request that public management module sends.

Further, described public management module checks by database interface whether transfer resource enough is meant in the database according to bearing mode, whether public management module at first has path, the group of paths resource of corresponding bearer types in the judgment data storehouse, then can not be by the request bandwidth allocation transfer resource, if the residual available bandwidth of judging path, group of paths is again arranged whether more than or equal to bandwidth on demand, be then can be by the request bandwidth allocation transfer resource, otherwise can not be by the request bandwidth allocation transfer resource.

Further, described public management module checks in the database whether the residue transfer resource can carry out bearing modification by new bandwidth on demand and be meant, the residual available bandwidth of path, group of paths added that whether former occupied bandwidth is more than or equal to new bandwidth on demand under public management module was judged, be then can make amendment, otherwise can not make amendment by new bandwidth on demand by new bandwidth on demand.

Further, described carrying example refers to the corresponding relation of transfer resource, bearing mode and upper-layer user's information of bearing identification symbol, distribution; Described upper-layer user's information comprises the identifier of wireless network layer.

The present invention also provides a kind of management method of transfer resource, be applicable to the node of following the UTRAN structure in the third generation mobile system, comprise that wireless network course transport management module sends the request relevant with carrying, described transport management module is distributed according to described request and required transfer resource is carried in management.

Further, set up request if described request is carrying, described transport management module is carried out taking of transfer resource according to the described carrying request of setting up, and distributes the bearing identification symbol; And return carrying to wireless network layer and set up acknowledge message according to the bearing mode back that handles accordingly;

If described request is the bearing modification request, described bearing modification request comprises bearing identification symbol and new bandwidth on demand, described transport management module is searched corresponding bearing mode according to bearing identification symbol wherein, and carry out bearing modification according to new bandwidth on demand, upgrade corresponding carrying example, and return the bearing modification acknowledge message to wireless network layer according to the bearing mode back that handles accordingly;

Further, the described carrying request of setting up comprises identifier, bearing mode and the bandwidth on demand of wireless network layer;

If being carrying, described request sets up request, described transport management module checks whether enough transfer resources are arranged by the request bandwidth allocation transfer resource in the database according to the bearing mode and the bandwidth on demand of described request, be then to carry out taking of transfer resource, and distribute bearing identification to accord with, set up and preserve the carrying example, if bearing mode is the ATM carrying, transport management module is also distributed transmission channel for it;

Described transport management module is returned carrying to wireless network layer and set up acknowledge message and be meant according to the bearing mode back that handles accordingly: if bearing mode is the IP carrying, transport management module is set up by carrying and is replied interface and return carrying to wireless network layer and set up acknowledge message; If bearing mode is the ATM carrying, transport management module is transmitted to the ALCAP module with the described carrying request of setting up, carry out alternately described ALCAP module and opposite end, return carrying to transport management module then and set up acknowledge message, transport management module is set up described carrying acknowledge message again and is transmitted to wireless network layer by carrying foundation answer interface; If there is intermediate equipment, and RNC is that IP carrying, intermediate equipment are the ATM carrying to the base station to intermediate equipment, transport management module will be carried the request of foundation and will be transmitted to the IPCSP module, carry out alternately IPCSP module and opposite end, return carrying to transport management module then and set up acknowledge message, transport management module is set up described carrying acknowledge message again and is transmitted to wireless network layer by carrying foundation answer interface.

Further, if described request is the bearing modification request, described transport management module is checked the carrying example according to the symbol of the bearing identification in the described request, draw bearing mode, whether check then has enough transfer resources to carry out bearing modification by new bandwidth on demand in the database, be then to carry out taking of transfer resource, and upgrade corresponding carrying example by new bandwidth on demand;

Returning the bearing modification acknowledge message to wireless network layer after transport management module handles accordingly according to bearing mode is meant: if bearing mode is the IP carrying, transport management module is replied interface by bearing modification and is returned the bearing modification acknowledge message to wireless network layer; If bearing mode is the ATM carrying, transport management module is transmitted to the ALCAP module with described bearing modification request, carry out alternately described ALCAP module and opposite end, return the bearing modification acknowledge message to transport management module then, transport management module is replied interface with described bearing modification acknowledge message by bearing modification again and is transmitted to wireless network layer; If there is intermediate equipment, and RNC is that IP carrying, intermediate equipment are the ATM carrying to the base station to intermediate equipment, transport management module is transmitted to the IPCSP module with the bearing modification request, carry out alternately IPCSP module and opposite end, return the bearing modification acknowledge message to transport management module then, transport management module is transmitted to wireless network layer with replying interface by bearing modification after the described bearing modification acknowledge message again.

Further, discharge request if described request is carrying, described transport management module is checked the carrying example according to the symbol of the bearing identification in the described request, draws bearing mode, and call database interface release transfer resource, and discharge the carrying example of transport management module storage; Handle accordingly according to bearing mode then and be meant: if bearing mode is the ATM carrying, described carrying is discharged request be transmitted to the ALCAP module, if there is intermediate equipment, and RNC is that IP carrying, intermediate equipment are the ATM carrying to the base station to intermediate equipment, will carry the request of release and be transmitted to the IPCSP module.

Further; if described request is the keep-alive request; after described transport management module is received the keep-alive request that the logical keep-alive request interface of wireless network layer sends; check according to the bearing identification symbol whether corresponding carrying example is arranged; be then to draw corresponding bearing mode; return the keep-alive acknowledge message to wireless network layer and be meant according to the bearing mode back that handles accordingly: when bearing mode is the IP carrying; transport management module is replied interface by keep-alive and is directly sent the keep-alive acknowledge message to wireless network layer; when bearing mode is the ATM carrying; transport management module is transmitted to the ALCAP module with described keep-alive request; ALCAP module and opposite end are carried out mutual back and are returned the keep-alive acknowledge message to transport management module; described transport management module is replied interface with the keep-alive acknowledge message by keep-alive and is transmitted to wireless network layer; if there is intermediate equipment; and RNC is the IP carrying to intermediate equipment; intermediate equipment is the ATM carrying to the base station; transport management module is transmitted to the IPCSP module with the keep-alive request; described IPCSP module and opposite end are carried out mutual back and are returned the keep-alive acknowledge message to transport management module, and described transport management module is replied interface with the keep-alive acknowledge message by keep-alive and is transmitted to wireless network layer.

Further, described transport management module checks in the database by database interface whether enough methods are transfer resource according to bearing mode, whether transport management module at first has path, the group of paths resource of corresponding types in the judgment data storehouse, then can not be by the request bandwidth allocation transfer resource, if the residual available bandwidth of judging path, group of paths is again arranged whether more than or equal to bandwidth on demand, be then can be by the request bandwidth allocation transfer resource, otherwise can not be by the request bandwidth allocation transfer resource.

Further, described transport management module checks in the database that the method whether the residue transfer resource can carry out bearing modification by new bandwidth on demand is, the residual available bandwidth of path, group of paths added that whether former occupied bandwidth is more than or equal to new bandwidth on demand under transport management module was judged, be then can make amendment, otherwise can not make amendment by new bandwidth on demand by new bandwidth on demand.

In sum, the invention provides a kind of management system and method for transfer resource, realize under the multiple bearing mode unified management by between wireless network layer and transmission ALCAP module of control plane and IPCSP module, increasing by a transport management module to transfer resource, and can simplify wireless network layer and the interface of transmission between the control plane, isolate of the influence of the difference of bearing mode to wireless network layer.

Description of drawings

Fig. 1 increases UTRAN terrestrial interface model after the transport management module for the present invention;

Fig. 2 is a transport management module structural representation of the present invention;

Fig. 3 sets up flow chart for transmission bearer of the present invention;

Fig. 4 is transmission bearer modification process figure of the present invention;

Fig. 5 discharges flow chart for transmission bearer of the present invention;

Fig. 6 finishes the flow chart of keep-alive for the present invention.

Embodiment

The invention provides a kind of management system and method for transfer resource, realize under the multiple bearing mode unified management and scheduling transfer resource by between wireless network layer and transmission ALCAP module of control plane and IPCSP module, increasing by a transport management module.

Present embodiment provides a kind of management system of transfer resource, and this system comprises wireless network layer, transmission network control plane and database; The transmission network control plane comprises transport management module, ALCAP module and IPCSP module.

Transport management module comprises public management module, ALCAP related process module, IPCSP related process module and IP related process module, and database links to each other with transport management module by database interface;

Wireless network layer and interface between transport management module comprise with accepting to be set up relevant interface (accept set up request interface and accept to set up and reply interface), revises relevant interface (accept revise request interface and accept to revise and reply interface), discharges relevant interface (accept discharge request interface and accept to discharge and reply interface), the interface (keep-alive request interface and keep-alive answer interface) relevant with keep-alive etc. with accepting with accepting.

Public management module is used to receive that wireless network layer sets up after carrying that request interface sends sets up request by carrying, bearing mode and bandwidth on demand according to request check whether enough transfer resources are arranged by the request bandwidth allocation transfer resource in the database by database interface, set up failed message if can not then return carrying to wireless network layer by carrying foundation answer interface, if can then carry out taking of transfer resource, and distribute bearing identification to accord with, set up and preserve the carrying example, the carrying example refers to the bearing identification symbol, the transfer resource that distributes, the corresponding relation of bearing mode and upper-layer user's information.Upper-layer user's information comprises the identifier of wireless network layer.Carrying also is required to be its distribution transmission channel to ATM, if do not have available transmission channel under the ATM bearing mode, public management module is also replied interface by carrying foundation and set up failed message to wireless network layer transmission carrying.Public management module also is used to carry out will to carry the request of foundation after the taking of transfer resource and is transmitted to related process module, when bearing mode is the IP carrying, to carry the request of setting up and be transmitted to the IP related process module, and be transmitted to wireless network layer in receiving after acknowledge message is set up in carrying that the IP related process module is returned; When bearing mode is ATM when carrying, will carry the request of foundation and be transmitted to the ALCAP related process module, and in receiving that setting up the answer interface by carrying after acknowledge message is set up in carrying that the ALCAP related process module is returned is transmitted to wireless network layer; When there being intermediate equipment, and RNC is that IP carrying, intermediate equipment are the ATM carrying to NodeB to intermediate equipment, to carry the request of setting up and be transmitted to IPCSP relevant treatment mould, and reply interface and it is set up by carrying reply interface and be transmitted to wireless network layer in receiving to set up by carrying after acknowledge message is set up in carrying that the IPCSP related process module is sent.

The carrying request of setting up comprises the identifier of bearing mode, bandwidth on demand and the wireless network layer of request, and transfer resource comprises path, group of paths resource.Judge whether that enough transfer resources are meant by the request bandwidth allocation transfer resource, path, group of paths resource that whether corresponding types is at first arranged in the judgment data storehouse, then can not be by the request bandwidth allocation transfer resource, if the residual available bandwidth of judging path, group of paths is again arranged whether more than or equal to bandwidth on demand, be then can be by the request bandwidth allocation transfer resource, otherwise can not be by the request bandwidth allocation transfer resource.

After public management module also is used to receive the bearing modification request that wireless network layer sends by the bearing modification request interface, check the carrying example according to the symbol of the bearing identification in the request, call database interface according to bearing mode and check whether the residue transfer resource can carry out bearing modification by new bandwidth on demand in the database, if can not then refuse to revise, return the bearing modification failed message to wireless network layer; If can then revise the bandwidth occupancy situation, and the carrying example of updated stored, promptly upgrade the transfer resource that wherein distributes, and according to the difference of bearer types, transmit the bearing modification request to corresponding related process module, when bearing mode is the IP carrying, the bearing modification request is transmitted to the IP related process module, and after receiving the bearing modification acknowledge message that the IP related process module is returned, is transmitted to wireless network layer; When bearing mode is the ATM carrying, the bearing modification request is transmitted to the ALCAP related process module, and after receiving the bearing modification acknowledge message that the ALCAP related process module is returned, is transmitted to wireless network layer by carrying foundation answer interface; When there being intermediate equipment, and RNC is that IP carrying, intermediate equipment are the ATM carrying to NodeB to intermediate equipment, the bearing modification request is transmitted to IPCSP relevant treatment mould, and after receiving the bearing modification acknowledge message that the IPCSP related process module is sent, it is transmitted to wireless network layer by bearing modification answer interface by carrying foundation answer interface.

The bearing modification request comprises bearing identification symbol and new bandwidth on demand information.Whether the residue transfer resource can carry out bearing modification by new bandwidth on demand and be meant in the judgment data storehouse, the residual available bandwidth of path, group of paths adds that whether former occupied bandwidth is more than or equal to new bandwidth on demand under judging, be then can make amendment, otherwise can not make amendment by new bandwidth on demand by new bandwidth on demand.

After public management module is used to also to receive that wireless network layer discharges carrying that request interface sends and discharges request by carrying, check the carrying example according to the symbol of the bearing identification in the request, thereby acquisition bearing mode, call database interface and discharge transfer resource, and discharge the carrying example of public management module storage.Public management module also will be carried the request of release and will be transmitted to corresponding processing module, when bearing mode is the IP carrying, will carries the request of release and be transmitted to the IP related process module; When bearing mode is the ATM carrying, will carries the request of release and be transmitted to the ALCAP related process module; When there being intermediate equipment, and RNC is that IP carrying, intermediate equipment are the ATM carrying to NodeB to intermediate equipment, will carry release and ask to be transmitted to IPCSP relevant treatment mould.

Carrying discharges request and comprises the bearing identification symbol.

After public management module is used to also to receive that carrying that wireless network layer is sent by the keep-alive request interface discharges request, public management module is checked the carrying example of storage by the bearing identification symbol that carries in the request, if there is not corresponding carrying example, public management module is replied interface by keep-alive and is returned the keep-alive failed message to wireless network layer; If corresponding carrying example is arranged, then obtain its bearing mode, and to related process module forwarding keep-alive request, if IP carrying, then transmit the keep-alive request, and after receiving the keep-alive acknowledge message that the IP related process module is sent, be transmitted to wireless network layer by keep-alive answer interface to the IP related process module; If the ATM carrying is then transmitted the keep-alive request to the ALCAP related process module, and after receiving the keep-alive acknowledge message that the ALCAP related process module is sent, be transmitted to wireless network layer by keep-alive answer interface; If there is intermediate equipment; and RNC is that IP carrying, intermediate equipment are the ATM carrying to NodeB to intermediate equipment; then transmit the keep-alive request, and after receiving the keep-alive acknowledge message that the IPCSP related process module is sent, be transmitted to wireless network layer by keep-alive answer interface to the IPCSP related process module.

The keep-alive request comprises the bearing identification symbol.

The IP related process module is used to receive that the carrying request of setting up that public management module is sent returns carrying to public management module and set up acknowledge message; Return the bearing modification acknowledge message to public management module after also being used to receive the bearing modification request that public management module sends; Return the keep-alive acknowledge message to public management module after also being used to receive the keep-alive request that public management module sends.

The carrying request of setting up that the ALCAP related process module is used for public management module is sent is transmitted to the ALCAP module, and is transmitted to public management module after acknowledge message is set up in the carrying of receiving the ALCAP module; The bearing modification request that also is used for public management module is sent is transmitted to the ALCAP module, and is transmitted to public management module after the bearing modification acknowledge message of receiving the ALCAP module; The carrying that is used for that also public management module is sent discharges request and is transmitted to the ALCAP module; The keep-alive request that also is used for public management module is sent is transmitted to the ALCAP module, and is transmitted to public management module after the keep-alive acknowledge message of receiving the ALCAP module.

The carrying that the IPCSP related process module is used for that public management module is sent is set up request, bearing modification request and carrying release request and is transmitted to the IPCSP module, and after acknowledge message and bearing modification acknowledge message are set up in the carrying of receiving the IPCSP module it is transmitted to public management module; The keep-alive request that also is used for public management module is sent is transmitted to the IPCSP module, and is transmitted to public management module after the keep-alive acknowledge message of receiving the IPCSP module.

Database is used to store the residue transfer resource of each bearing mode correspondence and total transfer resource.

The ALCAP module is used to receive that carrying that the ALCAP related process module is sent sets up the request back and carry out finishing the foundation of carrying alternately with the opposite end; And carry out finishing the modification of carrying alternately with the opposite end after being used to receive the bearing modification request that the ALCAP related process module sends; Be used to also to receive that carrying that the ALCAP related process module is sent discharges the release of finishing carrying after the request; Carry out finishing keep-alive alternately with the opposite end after also being used to receive the keep-alive request that the ALCAP related process module sends.The same prior art of various operations of ALCAP module.

The IPCSP module is used to receive that carrying that the IPCSP related process module is sent sets up the request back and carry out finishing the foundation of carrying alternately with the opposite end; And carry out finishing the modification of carrying alternately with the opposite end after being used to receive the bearing modification request that the IPCSP related process module sends; Be used to also to receive that carrying that the IPCSP related process module is sent discharges the release of finishing carrying after the request; Carry out finishing keep-alive alternately with the opposite end after also being used to receive the keep-alive request that the IPCSP related process module sends.The same prior art of various operations of IPCSP module.

Present embodiment also provides a kind of management method of transfer resource, below will be described from carrying foundation, bearing modification, carrying release and the several aspects of keep-alive;

Be illustrated in figure 3 as carrying and set up flow chart:

Step 301: wireless network layer is set up request interface by carrying and is initiated the foundation request of user's face transmission bearer to transport management module, carries information such as the identifier of wireless network layer, the bearing mode that will set up and bandwidth on demand in the request;

Step 302: after transport management module receives that request is set up in this carrying, according to information such as the bearing mode of request, bandwidth on demand, checking whether enough transfer resources are arranged, is execution in step 303 then, otherwise execution in step 304.

Judge the whether enough methods of transfer resource can but be not limited thereto, call database interface and check path, the group of paths resource that whether stores this bearer types in the database, if do not have, explanation can not be carried out taking of transfer resource, execution in step 304; If have, whether the residual available bandwidth of path, group of paths of then checking this transport-type more than or equal to bandwidth on demand, is then to illustrate to also have enough transfer resources can be by the request bandwidth allocation transfer resource execution in step 303; Otherwise illustrate and to carry out taking of transfer resource, execution in step 304.

Also be required to be it for the ATM transmission means and distribute transmission channel, if do not have available transmission channel under the ATM transmission means, then execution in step 304.

Step 303: carry out taking of transfer resource according to bandwidth on demand, upgrade the remaining bandwidth of this transport-type path, group of paths, create and preserve the carrying example, be the transfer resource of bearing identification symbol, transport-type, distribution and the corresponding relation of upper-layer user's information, upper-layer user's information comprises the identifier of wireless network layer.Execution in step 305 then.

Step 304: transport management module is set up the answer interface by carrying and is set up failed message to wireless network layer transmission carrying.

Step 305: transport management module handles accordingly according to bearing mode, if i.e.: IP carrying is then set up the answer interface by carrying and set up acknowledge message to wireless network layer transmission carrying; If the ATM carrying then sends carrying foundation and asks the module to ALCAP, ALCAP module and opposite end to be carried out alternately, return carrying to transport management module then and set up acknowledge message; If there is intermediate equipment, and RNC is that IP carrying, intermediate equipment are the ATM carrying to NodeB to intermediate equipment, then transport management module sends to carry to set up and asks the module to IPCSP, IPCSP module and opposite end to be carried out alternately, returns carrying to transport management module then and sets up acknowledge message.Receive after acknowledge message is set up in carrying that ALCAP or IPCSP module are sent to set up when transport management module and reply interface it is transmitted to wireless network layer, carry the identifier of the carrying of building in the acknowledge message by carrying.

Be illustrated in figure 4 as the bearing modification flow chart:

Step 401: wireless network layer is initiated the bearing modification request by the bearing modification request interface to transport management module, carries bearing identification symbol and new bandwidth on demand information in the request message;

Step 402: after transport management module is received this bearing modification request, judge whether and can carry out bearing modification by new bandwidth on demand information, if execution in step 403 then, otherwise execution in step 404;

This step judge whether can by new bandwidth information carry out bearing modification method can but be not limited to be, accord with the bearing mode of searching correspondence in the database according to the bearing identification of revising in the request, and judge that the affiliated path of this bearing mode correspondence, the residual available bandwidth of group of paths add that whether former occupied bandwidth is more than or equal to new bandwidth on demand, be then can make amendment, otherwise can not make amendment by new bandwidth on demand by new bandwidth on demand.

Step 403: revise the bandwidth occupancy situation, promptly revise the path of storing in the database, the remaining bandwidth of group of paths, and revise the transfer resource of the distribution in the carrying example.And handle accordingly: if the IP transmission is directly replied interface by bearing modification and sent to wireless network layer and revise acknowledge message according to bearing mode; If the ATM transmission then sends the bearing modification request to the ALCAP module, ALCAP module and opposite end are carried out mutual back and are returned the bearing modification acknowledge message to transport management module; If the carrying that has intermediate equipment and connect to two ends is respectively IP and ATM transmission, then send the bearing modification request to the IPCSP module, IPCSP module and opposite end are carried out mutual back and are returned the bearing modification acknowledge message to transport management module.After transport management module is received the bearing modification acknowledge message that ALCAP module or IPCSP module send, reply interface by bearing modification and should revise acknowledge message and be transmitted to wireless network layer.

Step 404: refusal carries out bearing modification, and transport management module is replied interface by bearing modification and sent the bearing modification failed message to wireless network layer.

Be illustrated in figure 5 as the bearing modification flow chart:

Step 501: wireless network layer discharges request interface by carrying initiates to carry the request of release to transport management module, carries the identifier of this carrying in the request message.

Step 502: after transport management module is received this message, accord with the bearing mode that finds this carrying in the track data storehouse, and discharge transfer resource by bearing identification.Handle accordingly then: if transmission means is IP transmission, the resource of release busy then, process ends; If the ATM transmission then initiates to discharge flow process to the ALCAP module; If the carrying that has intermediate equipment and connect to two ends is respectively IP and ATM, then initiate to discharge flow process to the IPCSP module.The transfer resource of last release busy, process ends.

Be illustrated in figure 6 as the flow chart of finishing keep-alive:

Step 601: wireless network layer is initiated the keep-alive request by the keep-alive request interface to transport management module, carries the bearing identification symbol in the request message;

Step 602: after transport management module is received this keep-alive request, judging whether to exist and carrying example that the bearing identification symbol is corresponding, is execution in step 603 then, otherwise execution in step 604;

Step 603: draw corresponding bearing mode according to the bearing identification symbol, handle accordingly according to bearing mode then: when bearing mode is the IP carrying, replys interface by keep-alive and directly send the keep-alive acknowledge message to wireless network layer; When bearing mode is the ATM carrying, the keep-alive request is transmitted to the ALCAP module, ALCAP module and opposite end are carried out mutual back and are returned the keep-alive acknowledge message to transport management module, and transport management module is replied interface with the keep-alive acknowledge message by keep-alive again and is transmitted to wireless network layer; If there is intermediate equipment; and RNC is that IP carrying, intermediate equipment are the ATM carrying to NodeB to intermediate equipment; the keep-alive request is transmitted to the IPCSP module; IPCSP module and opposite end are carried out mutual back and are returned the keep-alive acknowledge message to transport management module, and transport management module is replied interface with the keep-alive acknowledge message by keep-alive again and is transmitted to wireless network layer.

Step 604: transport management module is replied interface by keep-alive and is returned the keep-alive failed message to wireless network layer.

The present invention has good autgmentability, when needs increase bearing mode newly, only need in transport management module, increase corresponding related process module, and an existing socket is still used in communicating by letter between transport management module and the wireless network layer, does not need to increase newly interface.

The present invention is applicable to the node of following the UTRAN structure in the third generation mobile system.

Claims

1, a kind of management system of transfer resource is applicable to the node of following the UTRAN structure in the third generation mobile system, comprising: wireless network layer and transmission network control plane is characterized in that described transmission network control plane comprises transport management module;

2, the system as claimed in claim 1 is characterized in that:

When being used to receive wireless network layer sends the request relevant with carrying, described transport management module distributes and management is carried required transfer resource and comprised following several situation according to described request:

3, system as claimed in claim 2 is characterized in that:

Described system also comprises database; Described database links to each other by database interface with transport management module, is used to store the residue transfer resource of each bearing mode correspondence and total transfer resource;

4, system as claimed in claim 3 is characterized in that:

Described transport management module is searched corresponding bearing mode according to bearing identification symbol wherein, and carry out bearing modification according to new bandwidth on demand and be meant: after public management module is received the bearing modification request that wireless network layer sends by the bearing modification request interface, search corresponding bearing mode according to the bearing identification symbol, and by in the database interface judgment data storehouse residue transfer resource whether can carry out bearing modification by new bandwidth on demand, can then carry out taking of transfer resource again, and upgrade corresponding carrying example;

5, system as claimed in claim 3 is characterized in that:

Described transport management module is searched corresponding bearing mode according to bearing identification symbol wherein, the release transfer resource is meant: after public management module receives that wireless network layer discharges carrying that request interface sends and discharges request by carrying, search corresponding bearing mode according to the bearing identification symbol, and call database interface release transfer resource, and discharge the carrying example of public management module storage;

6, system as claimed in claim 3 is characterized in that:

After described public management module is received the keep-alive request that wireless network layer sends by the keep-alive request interface, check according to the bearing identification symbol whether corresponding carrying example is arranged, be then to draw corresponding bearing mode, returning the keep-alive acknowledge message to wireless network layer after described transport management module handles accordingly according to bearing mode is meant: when bearing mode is the IP carrying, public management module is transmitted to the IP related process module with described keep-alive request, and after receiving the keep-alive acknowledge message that described IP related process module is returned, be transmitted to wireless network layer by keep-alive answer interface, when bearing mode is the ATM carrying, public management module is transmitted to the ALCAP related process module with described keep-alive request, and after receiving the keep-alive acknowledge message that described ALCAP related process module is returned, be transmitted to wireless network layer by keep-alive answer interface, if there is intermediate equipment, and RNC is the IP carrying to intermediate equipment, intermediate equipment is the ATM carrying to the base station, public management module is transmitted to the IPCSP module with the keep-alive request, and is transmitted to wireless network layer by keep-alive answer interface after receiving the keep-alive acknowledge message that the IPCSP module is returned;

7, system as claimed in claim 3 is characterized in that:

Described public management module checks by database interface whether transfer resource enough is meant in the database according to bearing mode, whether public management module at first has path, the group of paths resource of corresponding bearer types in the judgment data storehouse, then can not be by the request bandwidth allocation transfer resource, if the residual available bandwidth of judging path, group of paths is again arranged whether more than or equal to bandwidth on demand, be then can be by the request bandwidth allocation transfer resource, otherwise can not be by the request bandwidth allocation transfer resource.

8, system as claimed in claim 4 is characterized in that:

Described public management module checks in the database whether the residue transfer resource can carry out bearing modification by new bandwidth on demand and be meant, the residual available bandwidth of path, group of paths added that whether former occupied bandwidth is more than or equal to new bandwidth on demand under public management module was judged, be then can make amendment, otherwise can not make amendment by new bandwidth on demand by new bandwidth on demand.

9, as the described system of the arbitrary claim of claim 2 to 6, it is characterized in that:

Described carrying example refers to the corresponding relation of transfer resource, bearing mode and upper-layer user's information of bearing identification symbol, distribution; Described upper-layer user's information comprises the identifier of wireless network layer.

10, a kind of management method of transfer resource, be applicable to the node of following the UTRAN structure in the third generation mobile system, comprise that wireless network course transport management module sends the request relevant with carrying, described transport management module is distributed according to described request and required transfer resource is carried in management.

11, method as claimed in claim 10 is characterized in that:

Set up request if described request is carrying, described transport management module is carried out taking of transfer resource according to the described carrying request of setting up, and distributes the bearing identification symbol; And return carrying to wireless network layer and set up acknowledge message according to the bearing mode back that handles accordingly;

12, method as claimed in claim 11 is characterized in that:

The described carrying request of setting up comprises identifier, bearing mode and the bandwidth on demand of wireless network layer;

13, method as claimed in claim 11 is characterized in that:

If described request is the bearing modification request, described transport management module is checked the carrying example according to the symbol of the bearing identification in the described request, draw bearing mode, whether check then has enough transfer resources to carry out bearing modification by new bandwidth on demand in the database, be then to carry out taking of transfer resource, and upgrade corresponding carrying example by new bandwidth on demand;

14, method as claimed in claim 11 is characterized in that:

As if described request is that carrying discharges request, and described transport management module is checked the carrying example according to the symbol of the bearing identification in the described request, draws bearing mode, and calls database interface release transfer resource, and discharges the carrying example of transport management module storage; Handle accordingly according to bearing mode then and be meant: if bearing mode is the ATM carrying, described carrying is discharged request be transmitted to the ALCAP module, if there is intermediate equipment, and RNC is that IP carrying, intermediate equipment are the ATM carrying to the base station to intermediate equipment, will carry the request of release and be transmitted to the IPCSP module.

15, method as claimed in claim 11 is characterized in that:

If described request is the keep-alive request; after described transport management module is received the keep-alive request that the logical keep-alive request interface of wireless network layer sends; check according to the bearing identification symbol whether corresponding carrying example is arranged; be then to draw corresponding bearing mode; return the keep-alive acknowledge message to wireless network layer and be meant according to the bearing mode back that handles accordingly: when bearing mode is the IP carrying; transport management module is replied interface by keep-alive and is directly sent the keep-alive acknowledge message to wireless network layer; when bearing mode is the ATM carrying; transport management module is transmitted to the ALCAP module with described keep-alive request; ALCAP module and opposite end are carried out mutual back and are returned the keep-alive acknowledge message to transport management module; described transport management module is replied interface with the keep-alive acknowledge message by keep-alive and is transmitted to wireless network layer; if there is intermediate equipment; and RNC is the IP carrying to intermediate equipment; intermediate equipment is the ATM carrying to the base station; transport management module is transmitted to the IPCSP module with the keep-alive request; described IPCSP module and opposite end are carried out mutual back and are returned the keep-alive acknowledge message to transport management module, and described transport management module is replied interface with the keep-alive acknowledge message by keep-alive and is transmitted to wireless network layer.

16, method as claimed in claim 12 is characterized in that:

Described transport management module checks in the database by database interface whether enough methods are transfer resource according to bearing mode, whether transport management module at first has path, the group of paths resource of corresponding types in the judgment data storehouse, then can not be by the request bandwidth allocation transfer resource, if the residual available bandwidth of judging path, group of paths is again arranged whether more than or equal to bandwidth on demand, be then can be by the request bandwidth allocation transfer resource, otherwise can not be by the request bandwidth allocation transfer resource.

17, method as claimed in claim 13 is characterized in that:

Described transport management module checks in the database that the method whether the residue transfer resource can carry out bearing modification by new bandwidth on demand is, the residual available bandwidth of path, group of paths added that whether former occupied bandwidth is more than or equal to new bandwidth on demand under transport management module was judged, be then can make amendment, otherwise can not make amendment by new bandwidth on demand by new bandwidth on demand.

18, as the described method of the arbitrary claim of claim 11 to 15, it is characterized in that: