CN101720112A - Wireless source management method and device - Google Patents
Wireless source management method and device Download PDFInfo
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- CN101720112A CN101720112A CN200910082718A CN200910082718A CN101720112A CN 101720112 A CN101720112 A CN 101720112A CN 200910082718 A CN200910082718 A CN 200910082718A CN 200910082718 A CN200910082718 A CN 200910082718A CN 101720112 A CN101720112 A CN 101720112A
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Abstract
The invention discloses a wireless source management method. After receiving a service data stream operation request sent by RAN, a PC RF entity decides a wireless network source use strategy for service data streams and informs the RAN; the RAN performs the receiving control and source distribution according to the wireless network source use strategy of the service data streams decided by the PCRF entity; or after receiving a service data stream operation request sent by RAN, the PCRF entity decides a source authorized strategy for the service data streams and informs the RAN, and the RAN decides the wireless network source use strategy according to current available wireless network source information in the RAN and the source authorized information of the service data streams decided by the PCRF entity and performs the receiving control and source distribution of the service data streams. The invention simultaneously discloses a device for realizing the method. The invention better satisfies the needs of service for Qos while fully utilizing the network wireless source.
Description
Technical field
The present invention relates to radio resource management techniques, relate in particular to a kind of radio resource management method and device.
Background technology
Third generation partner program 2 (3GPP2,3rd Generation Partnership Project2) Ding Yi cdma network framework is mainly by wireless access network (RAN, RadioAccess Network), Packet Control Function (PCF, Packet Control Function) entity, group data service node (PDSN, PacketData Serving Node), authentication and authorization charging server (AAA, Authentication, Authorization, Accounting), "Policy and Charging Rules Function (PCRF, Policy and Charging Rules Function) entity and other core network devices and support node are formed.
Fig. 1 is the composition structural representation of code division multiple access (CDMA, the Code Division Multiple Access) network architecture, and as shown in Figure 1, user terminal (MS, Mobile Station) is realized being connected with RAN by wave point.RAN is a wireless access network equipment, comprises equipment such as base station (BS, Base Station) and PCF entity, and wherein, the PCF entity is mainly used in the control wireless network resource.PDSN is that CDMA20001 * system or HRPD (high rate packet data) (HRPD, the High Rate Packet Data) user terminal of system are provided to the access of Internet or application server.Its effect is to support Packet data service, in the conversation procedure of grouped data, carry out following major function: set up, safeguard the peer-peer protocol (PPP between MS and the PDSN, Point to Point Protocol) time of safeguarding that between MS and PDSN a main service connects has been described in session, PPP session (PPP Session).Wherein, service connects (ServiceConnection): the logic that is used for transmitting user data between MS and PDSN connects.For the service quality (QoS, Quality of Service) that realizes link layer, need data with many different logical links carrying different QoS requirements, provide different QoS services thereby be embodied as different data.Therefore the PPP session can comprise a main service and connects and be connected with a plurality of assistant services.The service connection is connected two parts by the connection of eating dishes without rice or wine with A10 and constitutes.
Eat dishes without rice or wine to connect (Air Interface Connection): the wireless logic link between MS and the RAN, in order to service data transmission.The PPP session comprises that a master eats dishes without rice or wine to connect and a plurality of assisting eats dishes without rice or wine to be connected.A10 connects (A10 Connection): created by RAN between RAN and the PDSN, use the connection of generic route encapsulation (GRE, Generic Routing Encapsulation) tunnel transmission business datum.The PPP session comprises a main A10 connection and is connected with a plurality of auxiliary A10.PDSN still needs the maintenance of PPP session under the MS ideal case; Support simple and mobile IP service; Accept and carry out the authentication of aaa server to MS; Route from the packet that mails to packet data network; The mutual packet of MS and Packet Data Network is implemented QoS control and charging according to QoS and charging policy that the PCRF entity issues.
The PCRF entity is qos policy and charging regulation function entity, realizes that application layer applications function (AF, Application Function) entity is related with bearing bed PDSN's, and its major function is: obtain application layer service negotiation information by the Tx interface; Provide QoS and charging policy according to user signing contract information, carrier policy, service negotiation information etc. for the transmission of business in carrying; Carry out all kinds of bearing events subscription and receive and report; Execution reports bearing event to the AF entity.
AAA is an authentication and authorization charging server, and it mainly acts on is which user of management can accesses network, and which service the user with access right can obtain, and how the user who uses Internet resources is chargeed.
Along with popularizing of the communication technology, how to make limited Internet resources particularly wireless network resource satisfy the needs of ever-increasing user experience business, in the time of except newly-built, upgrading and dilatation network, the control that the business that also needs the user is carried out uses Internet resources to carry out efficiently, become more meticulous.
Fig. 2 is the flow chart of CDMA2000 system to service implementation QoS control, and as shown in Figure 2, the CDMA2000 system is as follows to the flow process of the service implementation QoS control that the user carries out:
Step 1:MS is attached to the CDMA2000 network, initiates the PPP session negotiation, sets up main service and connect between MS and PDSN;
Step 2:PDSN receives the request of adhering to of user terminal, initiates user's access request to aaa server;
The access request that step 3:AAA server sends according to PDSN authenticates inserting the requesting users terminal, behind the authentication success, the signatory relevant information (representing with Subscriber QoS Profile) of user is handed down to PDSN;
Step 4:PDSN storing user subscription relevant information, and part authorized user CAMEL-Subscription-Information (comprising information such as business that the user allows to carry out, the signatory QoS of user) is handed down to RAN;
Step 5: if the user need commence business, MS will send professional stream to RAN and set up request, the medium type that business comprised, required information such as QoS bandwidth are sent to RAN, require RAN to connect for the professional business data flow that comprises, the transmission request QoS on connecting guarantees to business;
Authorized user CAMEL-Subscription-Information and Radio Resource situation that step 6:RAN issues according to authentication phase PDSN are admitted control to the service request that MS initiates, and whether decision-making allows the user to carry out this business; If service request is admitted, then the connection of eating dishes without rice or wine that concrete QoS guarantees is set up in mandate to business data flow;
Step 7:RAN will comprise through parameters such as the QoS that authorizes and the connections of eating dishes without rice or wine and be handed down to MS in the authorization messages;
Step 8:MS is to RAN return parameters confirmation of receipt message.
Step 9:RAN sends the A11 register requirement to PDSN, requires to connect the A10 that sets up correspondence for eating dishes without rice or wine and connects.RAN will be to be set up A10 connection identifier (A10_ID), RAN the information such as mandate QoS of terminal be included in send to PDSN in the A11 register requirement;
Step 10:PDSN returns A11 registration reply message according to request to RAN, RAN sets up corresponding A10 in view of the above and connects, and RAN request A10 connects the process of setting up (being step 9,10) and can authorize the process (being step 7,8) of eating dishes without rice or wine to be connected foundation to take place simultaneously with RAN;
Step 11:MS sends to PDSN by Resv message with transmission stream template (TFT, the TrafficFlow Template) information of business data flow correspondence;
Step 12:PDSN returns the ResvConf acknowledge message to MS after preserving TFT information.MS can (be that step 5) takes place simultaneously with the process of stream foundation request to the process (being step 11,12) that PDSN sends TFT information.
It is to set up the request qos parameter that comprises in the request according to each business data flow that UE initiates that the wireless network QoS of above-mentioned CDMA2000 system sets up process, in conjunction with the authorized user CAMEL-Subscription-Information is that business data flow is set up the service connection with different QoS specification, provides QoS to guarantee thereby be embodied as the Client-initiated business.
The service that utilizes above-mentioned QoS to set up process foundation connects the QoS specification of (comprise to eat dishes without rice or wine to connect and be connected with A10) only with reference to user signing contract information.
RAN, PDSN use bearing resource to authorize according to user signing contract information to business.And user signing contract information only is to use Internet resources to stipulate from macroscopic aspect to the user, and for example user signing contract information has only been stipulated the type of service that the user can carry out, maximum magnitude that the user can use the network bandwidth etc.And for concrete business of Client-initiated, professional employed bearing resource is concrete, and for example the desired bandwidth of user's requested service might also might exceed signatory bandwidth less than signatory bandwidth; When utilizing this moment above-mentioned QoS to set up the connection bearer service data flow of process foundation, thereby will cause the redundant or not enough resource management granularity improper point that causes of QoS resource allocation.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of radio resource management method and device, so that use the management of wireless network resource more subtilized to business, can make full use of network radio resources and satisfy professional demand to QoS better.
For achieving the above object, technical scheme of the present invention is achieved in that
Radio resource management method in a kind of code division multiple access system comprises:
After receiving the business data flow operation requests of wireless access network RAN transmission, "Policy and Charging Rules Function PCRF entity is described business data flow decision-making wireless network resource usage policy, and notifies described RAN; And
Described RAN carries out the wireless network resource usage policy that described PCRF entity is described business data flow decision-making, described business data flow is admitted control, and be described business datum flow distribution wireless network resource.
Preferably, described business data flow operation requests comprises that business data flow is set up request, business data flow is changed request, business data flow termination request.
Preferably, comprise current available wireless network resource information among described business data flow requested service quality Q oS information, the described RAN in the business data flow operation requests that described RAN sends.
Preferably, described PCRF entity is the usage policy of described business data flow decision-making wireless network resource according to current available wireless network resource information and service negotiation information among the QoS information of described business data flow request, the described RAN;
Perhaps, described PCRF entity according to current available wireless network resource information, service negotiation information, carrier policy among the QoS information of described business data flow request, the described RAN or/and user signing contract information is the usage policy of described business data flow decision-making wireless network resource.
Preferably, the wireless network resource usage policy of described PCRF entity decision-making comprises bandwidth, the QoS resource of the wireless network of authorizing the business data flow use.
Preferably, described RAN sends current available wireless network resource information among the QoS information of described business data flow request, the described RAN by group data service node PDSN to described PCRF entity;
Described PCRF entity is the wireless network resource information of described business datum flow distribution by described PDSN to described RAN notice.
A kind of radio resource management method comprises:
After receiving the business data flow operation requests of wireless access network RAN transmission, "Policy and Charging Rules Function PCRF entity is described business data flow decision-making resource authorization strategy, and notifies described RAN; And
Described RAN is the resource authorization information of described business data flow decision-making according to current available wireless network resource information, described PCRF entity among the described RAN, be described business data flow decision-making wireless network resource usage policy, described business data flow is admitted control, and be described business datum flow distribution wireless network resource.
Preferably, described business data flow operation requests comprises that business data flow is set up request, business data flow is changed request, business data flow termination request.
Preferably, the business data flow operation requests of described RAN transmission comprises described business data flow requested service quality Q oS information.
Preferably, described PCRF entity is described business data flow decision-making resource authorization strategy according to QoS information, the service negotiation information of described business data flow request;
Perhaps, described PCRF entity according to the QoS information of described business data flow request, service negotiation information or/and carrier policy or/and user signing contract information is described business data flow decision-making resource authorization strategy.
Preferably, the resource authorization strategy of described PCRF decision-making comprises the network bandwidth, the QoS resource of authorizing business data flow to use.
Preferably, described RAN is that the resource authorization information that described business data flow is made a strategic decision is described business data flow decision-making wireless network resource usage policy according to current available wireless network resource information, described PCRF entity among the described RAN, comprises bandwidth, the QoS resource of the wireless network of authorizing the business data flow use.
Preferably, described RAN sends the QoS information of described business data flow request to described PCRF entity by group data service node PDSN; Described PCRF entity is sent as the resource authorization information of described business data flow decision-making to described RAN by described PDSN.
A kind of wireless resource management apparatus comprises:
Receiving element, be used to receive the business data flow operation requests after, the trigger policy decision package;
The strategic decision-making unit is used to described business data flow decision-making wireless network resource usage policy;
Notification unit is used for described wireless network resource usage policy notification strategy performance element; And
The strategy execution unit is used to carry out the wireless network resource usage policy that described strategic decision-making unit is described business data flow decision-making, described business data flow is admitted control, and be described business datum flow distribution wireless network resource.
Preferably, comprise described business data flow requested service quality Q oS information, current available wireless network resource information in the described business data flow operation requests.
Preferably, described strategic decision-making unit is the usage policy of described business data flow decision-making wireless network resource according to the QoS information of described business data flow request, current available wireless network resource information and service negotiation information;
Perhaps, described strategic decision-making unit according to the QoS information of described business data flow request, current available wireless network resource information, service negotiation information, carrier policy or/and user signing contract information is the usage policy of described business data flow decision-making wireless network resource.
A kind of wireless resource management apparatus comprises:
Receiving element, be used to receive the business data flow operation requests after, trigger the first strategic decision-making unit;
The first strategic decision-making unit is used to described business data flow decision-making resource authorization strategy;
Notification unit, being used for the described first strategic decision-making unit is that the resource authorization strategy that described business data flow is made a strategic decision is notified the second strategic decision-making unit;
The second strategic decision-making unit, being used for according to current available wireless network resource information, the described first strategic decision-making unit is that the resource authorization strategy that described business data flow is made a strategic decision is described business data flow decision-making wireless network resource usage policy; And
The strategy execution unit is used to carry out the wireless network resource usage policy that the described second strategic decision-making unit is described business data flow decision-making, described business data flow is admitted control, and be described business datum flow distribution wireless network resource.
Preferably, described business data flow operation requests comprises described business data flow requested service quality Q oS information.
Preferably, the described first strategic decision-making unit is described business data flow decision-making resource authorization strategy, is specially:
The described first strategic decision-making unit is described business data flow decision-making resource authorization strategy according to QoS information, the service negotiation information of described business data flow request; Perhaps, the described first strategic decision-making unit according to the QoS information of described business data flow request, service negotiation information, carrier policy or/and user signing contract information is described business data flow decision-making resource authorization strategy.
After the business data flow that receives the user is set up request, RAN will at first obtain the QoS that business data flow is set up business need described in the request, and service negotiation information, the user signing contract information of the described business that issues according to the PCRF entity that is obtained, in conjunction with current available wireless network resource information, for the described professional Radio Resource that uses is authorized; Perhaps, RAN is with the QoS of described business need, current available wireless network resource information reports the PCRF entity, by the PCRF entity according to current available wireless network resource information, described service negotiation information, the QoS information of user signing contract information and described business need, for the described professional Radio Resource that uses is authorized, and notice RAN, since when the Radio Resource that business is used is authorized based on service negotiation information, service negotiation information has been determined professional carrying out network resources demand, therefore, RAN or PCRF entity are when making the resource authorization strategy in view of the above, the granularity of institute's authorization resources will be thinner, for the qos policy that business is formulated more reasonable, made full use of the Radio Resource of network, also satisfied professional demand simultaneously better QoS.
Description of drawings
Fig. 1 is the composition structural representation of cdma network framework;
Fig. 2 is the flow chart of CDMA2000 system to service implementation QoS control;
Fig. 3 is the flow chart of the radio resource management method embodiment one under the professional initiation situation of the present invention;
Fig. 4 is the flow chart of the radio resource management method embodiment one under the professional change situation of the present invention;
Fig. 5 is the flow chart of the radio resource management method embodiment two under the professional initiation situation of the present invention;
Fig. 6 is the flow chart of the radio resource management method embodiment two under the professional termination situation of the present invention;
Fig. 7 is the composition structural representation of wireless resource management apparatus embodiment one of the present invention;
Fig. 8 is the composition structural representation of wireless resource management apparatus embodiment two of the present invention.
Embodiment
Basic thought of the present invention is: after the business data flow that receives the user is set up request, RAN will at first obtain the QoS that business data flow is set up business need described in the request, and service negotiation information, the user signing contract information of the described business that issues according to the PCRF entity that is obtained, in conjunction with current available wireless network resource information, for the described professional Radio Resource that uses is authorized; Perhaps, RAN is with the QoS of described business need, current available wireless network resource information reports the PCRF entity, by the PCRF entity according to current available wireless network resource information, described service negotiation information, the QoS information of user signing contract information and described business need, for the described professional Radio Resource that uses is authorized, and notice RAN, since when the Radio Resource that business is used is authorized based on service negotiation information, service negotiation information has been determined professional carrying out network resources demand, therefore, RAN or PCRF entity are when making the resource authorization strategy in view of the above, the granularity of institute's authorization resources will be thinner, for the qos policy that business is formulated more reasonable, made full use of Internet resources, also satisfied professional demand simultaneously better QoS.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 3 is the flow chart of the radio resource management method embodiment one under the professional initiation situation of the present invention, and as shown in Figure 1, the radio resource management method under this example services initiation situation may further comprise the steps:
Step 1:MS is attached to network, initiates the PPP session negotiation, sets up main service and connect between MS and PDSN.
Finish the service negotiation of application layer between step 2:MS and the network.
Step 3:AF entity is determined service negotiation information according to the service negotiation result of application layer, comprises information such as the professional business datum stream type that uses, business data flow five-tuple (source port, source address, data, destination interface and destination address), business data flow bandwidth, business data flow processing priority.
Step 4:AF entity offers the PCRF entity with the service negotiation information of definition.
Step 5:PCRF entity is checked service negotiation information, and preserves.And the professional corresponding AF entity session of execution and the binding of IP-CAN (Controller Area Network) session.
Step 6:PCRF entity returns service negotiation information to the AF entity affirmation is provided.
Step 7:MS initiates service request, initiates professional corresponding service data flow to RAN and sets up request, and business data flow is set up the information such as QoS that comprise institute's requested service requirement in the request.
Step 8:RAN receives the business data flow request of setting up of MS, and sends the A11 register requirement to PDSN, comprises in the A11 register requirement that business data flow sets up information such as qos parameter that the business data flow in the request asks and current available wireless network resource.The business data flow that receives MS is set up request, and RAN determines current available wireless network resource.
Information such as qos parameter that step 9:PDSN asks business data flow and current available wireless network resource send to the PCRF entity by Diameter CCR message, and requiring the PCRF entity is that professional corresponding service data flow is set up and authorized.
Step 10: the determined current available wireless network resource information of QoS, RAN of asking in conjunction with business data flow, user signing contract information (being notified to the PCRF entity by PDSN during the MS registration), carrier policy and the service negotiation information obtained from the AF entity etc., the PCRF entity is the business data flow request of setting up carrying out strategic decision-making mandate.Be described business data flow decision-making wireless network resource usage policy, be included as described business data flow and carry out bandwidth, QoS mandate.Because be that the resource policy that described business data flow is formulated is based on service negotiation information, therefore, the resource granularity that the PCRF entity is managed is thinner, resource allocation is more reasonable.
The result that step 11:PCRF entity will be authorized for the business data flow of business is handed down to PDSN with the form of PCC rule.The demand that has comprised resources such as the required QoS of professional corresponding service data flow transmission on connecting, bandwidth in the PCC Rule Information.
Step 12:PDSN implementation strategy is installed the PCC rule, for business data flow is carried out QoS and bandwidth assurance.
Step 13:PDSN carries out parameter maps such as QoS, bandwidth, is that the required wireless network resource authorization message of business data flow is mapped as the authorization parameter that RAN can receive with the PCRF entity, and is handed down to RAN by the A11 registration message.
The authorization message that step 14:RAN issues according to PDSN is carried out admittance control and QoS mandate for business data flow, is that business data flow is set up corresponding connection.
Step 15:RAN returns business data flow to MS and sets up response, will authorize information such as qos parameter and the parameter of eating dishes without rice or wine to return to MS.
Step 16:MS returns professional business data flow and sets up affirmation.
Step 17:MS sends to PDSN by Resv message with the TFT information of business data flow correspondence.
Step 18:PDSN returns the ResvConf acknowledge message to MS after preserving TFT information.
The user carries out in the process in business, also can be according to the demand of service negotiation information to QoS, and real time altering is to the mandate of wireless network resource.In case when avoiding taking place professional demand generation dynamic change (increase or reduce) to bearing resource, can not be based on the dynamic need real time altering Radio Resource mandate of business to Internet resources, thus have influence on user's business experience or cause the phenomenon of Radio Resource redundancy.For example the user is in carrying out the voice conversation process, needs to increase video calling, needs to increase video data stream this moment, in order to guarantee to experience, and need be to Internet resources such as the video data flow distribution QoS that increases and bandwidth.
Fig. 4 is the flow chart of the radio resource management method embodiment one under the professional change situation of the present invention, and as shown in Figure 4, the radio resource management method under this example services change situation may further comprise the steps:
Step 1: carry out in the process in business, professional change takes place, do not have video data stream in the current business and increase video data stream, finish the service negotiation of application layer between MS and the network, comprise five-tuple, bandwidth, the coding/decoding negotiation of video data stream.
Step 2:AF entity defines service negotiation information according to the business information of up-to-date negotiation.
Step 3:AF entity is handed down to the PCRF entity with the service negotiation information of definition.
Step 4:PCRF entity is preserved the new business negotiation information, and carries out binding session.Identify the IP-CAN session of AF entity session correspondence.
Step 5:PCRF entity returns the affirmation that service negotiation information provides to the AF entity.
Step 6: according to up-to-date service negotiation information, the PCRF entity need use Internet resources for the video data stream that increases and authorize, and by Diameter RAR message, requires PDSN to initiate professional business data flow again and sets up request.
Step 7:PDSN sets up corresponding video data traffic specification sign (FlowProfileID) and TFT with video data stream and sends to MS, triggers the operation that MS initiates to increase video data stream.
Step 8:PDSN returns Diameter RAA response to the PCRF entity.
Step 9:MS promptly initiates the video data stream of the video traffic correspondence of increase and sets up request to the modification request of RAN initiation to business, comprises and asks to revise the information such as QoS that business data flow is asked.
The video data stream of step 10:RAN receiving video service correspondence is set up request, send the A11 request to PDSN, require to authorize, comprise information such as qos parameter that the video traffic data flow is asked and current available radio resources in the request message for business modification (newly-increased video data stream).
Step 11:PDSN sends Diameter CCR request message to the PCRF entity, comprises information such as qos parameter that newly-increased video data stream asks and usable radio resources in the message.
Step 12: service negotiation information, user signing contract information and the carrier policy etc. of the QoS that asks according to newly-increased video data stream, available wireless network resource, more recent application layer, the PCRF entity is that the strategic decision-making mandate is carried out in the modification request of business data flow, be newly-increased video data stream decision-making wireless network resource usage policy, determine the wireless network resource that newly-increased video traffic data flow should be distributed.The PCRF entity is newly-increased video data stream decision-making wireless network resource usage policy, need be in conjunction with service negotiation information, and the management of the wireless network resource that business data flow is used is more accurate.
Step 13:PCRF entity is given PDSN with Authorization result with the PCC rule downloading, has comprised in the PCC rule that licensing to newly-increased video data stream can use resource authorization information.
Step 14:PDSN carries out the resource allocation policy that the PCRF entity issues.The PCC rule is installed, for newly-increased video data stream is carried out QoS and bandwidth assurance.
Step 15:PDSN carries out parameter maps such as QoS, bandwidth, the PCRF entity is mapped as the authorization parameter that RAN can receive for the newly-increased required wireless network resource authorization message of video data stream, and is handed down to RAN by the A11 registration message.
The authorization message that step 16:RAN issues according to PDSN for newly-increased video data stream is carried out admittance control and QoS mandate, and is the corresponding connection of newly-increased video data stream foundation.
Step 17:RAN returns business data flow to MS and revises response, will authorize information such as qos parameter and the parameter of eating dishes without rice or wine to return to MS.
Step 18:MS returns business data flow to RAN and revises affirmation.
Step 19:MS sends to PDSN by Resv message with the TFT information of video data stream correspondence.
Step 20:PDSN returns the ResvConf acknowledge message to MS after preserving TFT information.
Fig. 3, radio resource management method shown in Figure 4 all are formulations of being finished the wireless network resource strategy by the PCRF entity, below introduce by RAN and finish the situation that management strategy is formulated.
Fig. 5 is the flow chart of the radio resource management method embodiment two under the professional initiation situation of the present invention, and as shown in Figure 5, the radio resource management method under this example services initiation situation may further comprise the steps:
Step 1:MS is attached to network, initiates the PPP session negotiation, sets up main service and connect between MS and PDSN.
Finish the service negotiation of application layer between step 2:MS and the network.
Step 3:AF entity defines service negotiation information according to application layer service negotiation result, comprises information such as the professional business datum stream type that uses, business data flow five-tuple, business data flow bandwidth, business data flow processing priority.
Step 4:AF entity offers the PCRF entity with the service negotiation information of definition.
Step 5:PCRF entity is checked service negotiation information, and preserves.And the professional corresponding AF entity session of execution and the binding of IP-CAN session.
Step 6:PCRF entity returns service negotiation information to the AF entity affirmation is provided.
Step 7:MS initiates professional, initiates professional corresponding service data flow to RAN and sets up request, and business data flow is set up in the request and comprised the information such as QoS that business data flow is asked.
Step 8:RAN sends the A11 register requirement to PDSN after receiving business data flow foundation request, comprises business data flow and sets up the information such as qos parameter that business data flow is asked in the request.
Step 9:PDSN sets up for business data flow to the PCRF request by Diameter CCR message and authorizes, and comprises the information such as qos parameter that business data flow is asked in the message.
Step 10: the QoS that asks in conjunction with business data flow, user signing contract information, carrier policy and the service negotiation information obtained from the AF entity etc., the PCRF entity is the business data flow request of setting up carrying out strategic decision-making mandate.Be described business data flow decision-making resource authorization strategy, be Internet resources such as described business data flow mandate bandwidth, QoS.
To be the resource authorization strategy be handed down to PDSN with the form of PCC rule to the result that step 11:PCRF entity will be authorized for business data flow.Comprised authorization message in the PCC Rule Information based on business data flow.
Step 12:PDSN carries out the resource authorization strategy, and the PCC rule is installed, for business data flow is carried out QoS and bandwidth assurance.
The resource authorization information based on business data flow that step 13:PDSN issues the PCRF entity (promptly licensing to bandwidth, the QoS information of business data flow) is mapped as the authorization parameter that RAN can receive, and is handed down to RAN by the A11 registration message.
The authorization message that step 14:RAN issues according to PDSN based on business data flow, and current available wireless network resource, for business data flow decision-making wireless network resource usage policy, carry out and admit control, and distribute wireless bandwidth and QoS resource, set up corresponding connection.
Step 15:RAN returns stream to MS and sets up response, will authorize information such as qos parameter and the parameter of eating dishes without rice or wine to return to MS.
Step 16:MS returns business data flow and sets up affirmation.
Step 17:MS sends to PDSN by Resv message with the TFT information of business data flow correspondence.
Step 18:PDSN returns the ResvConf acknowledge message to MS after preserving TFT information.
In the process that the user commences business, if variation has taken place to network resources demand such as QoS, bandwidth in business data flow, when perhaps changing owing to transmission conditions such as Radio Resources, for example carry out in the process in business, business data flow wherein needs to stop, then need to discharge corresponding Internet resources, RAN need authorize again to the business data flow of having authorized.Fig. 6 is the flow chart of the radio resource management method embodiment two under the professional termination situation of the present invention, and as shown in Figure 6, the radio resource management method under this example services termination situation may further comprise the steps:
Step 1:MS commences business, and business data flow transmits according to the Radio Resource that RAN authorizes.
Step 2:RAN receives inside or the external trigger that business data flow is revised, and for example needs to stop business data flow wherein, requires to use Internet resources to authorize again to business data flow.
Step 3:RAN initiates the A11 register requirement to PDSN, comprises the business datum stream information that needs stop in the request.
Step 4:PDSN sends Diameter CCR request message to the PCRF entity, and requiring the PCRF entity is that business data flow stops authorizing.
Step 5:PCRF entity is preserved the information that receives from PDSN, and carries out binding session, and the business data flow that identification need stop is corresponding with which AF entity session.
Step 6: under the situation of AF entity subscribes bearing event, the PCRF entity reports bearing event to the AF entity, and the AF entity receives the information that the PCRF entity reports, and issues up-to-date service negotiation information to the PCRF entity.
Step 7: according to service negotiation information, user signing contract information, carrier policy etc., the PCRF entity is that business data flow stops asking to carry out the strategic decision-making mandate.
Step 8:PCRF entity is handed down to PDSN with the PCC rule format by Diameter CCA with Authorization result.Comprised authorization message in the PCC rule based on business.
Step 9:PDSN carries out the corresponding strategy in the PCC rule.Internet resources such as the QoS of release business data flow correspondence and bandwidth.
Step 10:PDSN carries out the mapping of the authorization message that the PCRF entity issues, and map information is handed down to RAN.
Step 11: the authorization message based on business that issues according to PDSN, available wireless network resource etc., RAN finishes mandate, discharges the resources such as wireless QoS, bandwidth of business data flow correspondence.
Step 12:RAN returns the indication of business modification to MS, and eat dishes without rice or wine parameter and the QoS that revise are returned to MS.
Step 13:MS returns business modification to RAN and confirms.
The difference of Fig. 5, technical scheme shown in Figure 6 and Fig. 3, technical scheme shown in Figure 4 is, the distribution of wireless network resource is authorized by RAN finish, rather than finished by the PCRF entity.In Fig. 5, the technical scheme shown in Figure 6, the PCRF entity is carrying out can not carrying out resource allocation according to available radio resources information in the licensing process for business data flow.RAN except according to the available radio resources information, also needs to be the Authorization result of business data flow in conjunction with what obtain from the PCRF entity when Radio Resource is authorized.
Because PDSN is handed down to the authorization message of the business data flow of RAN, be by the PCRF entity according to through the specific transactions consulted to Internet resources real needs such as QoS, bandwidth, and produce in conjunction with user signing contract information, carrier policy etc.RAN when business being used Radio Resource admit control, the authorization message that issues with reference to PDSN.This uses Radio Resource to authorize with user signing contract information to business according to terminal request by RAN with conventional method and compares, and is more accurate to the mandate and the use of Radio Resource.This increases in traffic carrying capacity, under the Radio Resource condition of limited, can improve the service efficiency of wireless network resource.
Fig. 7 is the composition structural representation of wireless resource management apparatus embodiment one of the present invention, as shown in Figure 7, wireless resource management apparatus of the present invention comprises receiving element 70, strategic decision-making unit 71, notification unit 72, strategy execution unit 73, wherein, after receiving element 70 is used to receive the business data flow operation requests, trigger policy decision package 71; Described business data flow operation requests comprises that business data flow is set up request, business data flow is changed request, business data flow termination request.Comprise QoS information and current available wireless network resource information that described business data flow is asked in the business data flow operation requests.Strategic decision-making unit 71 is used to described business data flow decision-making wireless network resource usage policy; The QoS information that specifically ask according to described business data flow strategic decision-making unit 71, current available wireless network resource information, service negotiation information etc. are for described business datum flow distribution wireless network resource and determine qos policy.Notification unit 72 is used for described wireless network resource usage policy notification strategy performance element 73; Strategy execution unit 73 is used for the wireless network resource usage policy of implementation strategy decision package 71 for described business data flow decision-making, described business data flow is admitted control, and be described business datum flow distribution wireless network resource.
Those skilled in the art are to be understood that, the present invention's wireless resource management apparatus shown in Figure 7 is for realizing that Fig. 3 and radio resource management method shown in Figure 4 design, the realization function of the each processing unit in the device shown in Figure 7 can be with reference to the associated description in Fig. 3 and the method shown in Figure 4 and is understood, the function of each unit can realize by the program that runs on the processor, also can realize by corresponding logical circuit.
Fig. 8 is the composition structural representation of wireless resource management apparatus embodiment two of the present invention, as shown in Figure 8, wireless resource management apparatus of the present invention comprises receiving element 80, the first strategic decision-making unit 81, notification unit 82, the second strategic decision-making unit 83 and strategy execution unit 84, wherein, after receiving element 80 is used to receive the business data flow operation requests, trigger the first strategic decision-making unit 81; Described business data flow operation requests comprises that business data flow is set up request, business data flow is changed request, business data flow termination request.Comprise the QoS information that described business data flow is asked in the business data flow operation requests.The first strategic decision-making unit 81 is used to described business data flow decision-making resource authorization strategy; The QoS information that specifically ask according to described business data flow the first strategic decision-making unit 81, service negotiation information etc. are described business data flow decision-making resource authorization strategy.Notification unit 82 is used for notifying the second strategic decision-making unit 83 with the first strategic decision-making unit 81 for the resource authorization strategy of described business data flow decision-making; It is described business data flow decision-making wireless network resource usage policy for the resource authorization information of described business data flow decision-making that the second strategic decision-making unit 83 is used for according to current available wireless network resource information, the first strategic decision-making unit 81; Strategy execution unit 84 is used to carry out the wireless network resource usage policy of the second strategic decision-making unit 83 for described business data flow decision-making, described business data flow is admitted control, and be described business datum flow distribution wireless network resource.
Those skilled in the art are to be understood that, the present invention's wireless resource management apparatus shown in Figure 8 is for realizing that Fig. 5 and radio resource management method shown in Figure 6 design, the realization function of the each processing unit in the device shown in Figure 8 can be with reference to the associated description in Fig. 5 and the method shown in Figure 6 and is understood, the function of each unit can realize by the program that runs on the processor, also can realize by corresponding logical circuit.
The present invention is not only applicable in the CDMA field, can also be applicable in the mobile communications networks such as WCDMA to solve similar problem.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (19)
1. a radio resource management method is characterized in that, comprising:
After receiving the business data flow operation requests of wireless access network RAN transmission, "Policy and Charging Rules Function PCRF entity is described business data flow decision-making wireless network resource usage policy, and notifies described RAN; And
Described RAN carries out the wireless network resource usage policy that described PCRF entity is described business data flow decision-making, described business data flow is admitted control, and be described business datum flow distribution wireless network resource.
2. method according to claim 1 is characterized in that, described business data flow operation requests comprises that business data flow is set up request, business data flow is changed request, business data flow termination request.
3. method according to claim 1 is characterized in that, comprises current available wireless network resource information among described business data flow requested service quality Q oS information, the described RAN in the business data flow operation requests that described RAN sends.
4. method according to claim 3, it is characterized in that described PCRF entity is the usage policy of described business data flow decision-making wireless network resource according to current available wireless network resource information and service negotiation information among the QoS information of described business data flow request, the described RAN;
Perhaps, described PCRF entity according to current available wireless network resource information, service negotiation information, carrier policy among the QoS information of described business data flow request, the described RAN or/and user signing contract information is the usage policy of described business data flow decision-making wireless network resource.
5. method according to claim 4 is characterized in that, the wireless network resource usage policy of described PCRF entity decision-making comprises bandwidth, the QoS resource of the wireless network of authorizing the business data flow use.
6. method according to claim 4 is characterized in that, described RAN sends current available wireless network resource information among the QoS information of described business data flow request, the described RAN by group data service node PDSN to described PCRF entity;
Described PCRF entity is the wireless network resource information of described business datum flow distribution by described PDSN to described RAN notice.
7. a radio resource management method is characterized in that, comprising:
After receiving the business data flow operation requests of wireless access network RAN transmission, "Policy and Charging Rules Function PCRF entity is described business data flow decision-making resource authorization strategy, and notifies described RAN; And
Described RAN is the resource authorization information of described business data flow decision-making according to current available wireless network resource information, described PCRF entity among the described RAN, be described business data flow decision-making wireless network resource usage policy, described business data flow is admitted control, and be described business datum flow distribution wireless network resource.
8. method according to claim 7 is characterized in that, described business data flow operation requests comprises that business data flow is set up request, business data flow is changed request, business data flow termination request.
9. method according to claim 7 is characterized in that, the business data flow operation requests that described RAN sends comprises described business data flow requested service quality Q oS information.
10. method according to claim 9 is characterized in that, described PCRF entity is described business data flow decision-making resource authorization strategy according to QoS information, the service negotiation information of described business data flow request;
Perhaps, described PCRF entity according to the QoS information of described business data flow request, service negotiation information or/and carrier policy or/and user signing contract information is described business data flow decision-making resource authorization strategy.
11. method according to claim 10 is characterized in that, the resource authorization strategy of described PCRF decision-making comprises the network bandwidth, the QoS resource of authorizing business data flow to use.
12. method according to claim 7, it is characterized in that, described RAN is that the resource authorization information that described business data flow is made a strategic decision is described business data flow decision-making wireless network resource usage policy according to current available wireless network resource information, described PCRF entity among the described RAN, comprises bandwidth, the QoS resource of the wireless network of authorizing the business data flow use.
13. method according to claim 10 is characterized in that, described RAN sends the QoS information of described business data flow request to described PCRF entity by group data service node PDSN; Described PCRF entity is sent as the resource authorization information of described business data flow decision-making to described RAN by described PDSN.
14. a wireless resource management apparatus is characterized in that, comprising:
Receiving element, be used to receive the business data flow operation requests after, the trigger policy decision package;
The strategic decision-making unit is used to described business data flow decision-making wireless network resource usage policy;
Notification unit is used for described wireless network resource usage policy notification strategy performance element; And
The strategy execution unit is used to carry out the wireless network resource usage policy that described strategic decision-making unit is described business data flow decision-making, described business data flow is admitted control, and be described business datum flow distribution wireless network resource.
15. device according to claim 14 is characterized in that, comprises described business data flow requested service quality Q oS information, current available wireless network resource information in the described business data flow operation requests.
16. device according to claim 15, it is characterized in that described strategic decision-making unit is the usage policy of described business data flow decision-making wireless network resource according to the QoS information of described business data flow request, current available wireless network resource information and service negotiation information;
Perhaps, described strategic decision-making unit according to the QoS information of described business data flow request, current available wireless network resource information, service negotiation information, carrier policy or/and user signing contract information is the usage policy of described business data flow decision-making wireless network resource.
17. a wireless resource management apparatus is characterized in that, comprising:
Receiving element, be used to receive the business data flow operation requests after, trigger the first strategic decision-making unit;
The first strategic decision-making unit is used to described business data flow decision-making resource authorization strategy;
Notification unit, being used for the described first strategic decision-making unit is that the resource authorization strategy that described business data flow is made a strategic decision is notified the second strategic decision-making unit;
The second strategic decision-making unit, being used for according to current available wireless network resource information, the described first strategic decision-making unit is that the resource authorization strategy that described business data flow is made a strategic decision is described business data flow decision-making wireless network resource usage policy; And
The strategy execution unit is used to carry out the wireless network resource usage policy that the described second strategic decision-making unit is described business data flow decision-making, described business data flow is admitted control, and be described business datum flow distribution wireless network resource.
18. device according to claim 17 is characterized in that, described business data flow operation requests comprises described business data flow requested service quality Q oS information.
19. device according to claim 18 is characterized in that, the described first strategic decision-making unit is described business data flow decision-making resource authorization strategy, is specially:
The described first strategic decision-making unit is described business data flow decision-making resource authorization strategy according to QoS information, the service negotiation information of described business data flow request; Perhaps, the described first strategic decision-making unit according to the QoS information of described business data flow request, service negotiation information, carrier policy or/and user signing contract information is described business data flow decision-making resource authorization strategy.
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