CN100411452C - Method and system for modifying transmission bandwidth - Google Patents
Method and system for modifying transmission bandwidth Download PDFInfo
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- CN100411452C CN100411452C CNB2006100586901A CN200610058690A CN100411452C CN 100411452 C CN100411452 C CN 100411452C CN B2006100586901 A CNB2006100586901 A CN B2006100586901A CN 200610058690 A CN200610058690 A CN 200610058690A CN 100411452 C CN100411452 C CN 100411452C
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Abstract
A method for revising bandwidth of transmission includes obtaining current service resource ID and destination bandwidth information, judging whether transmission bandwidth required by current service can by satisfied by bandwidth resource of current transmission path or not and revising current transmission bandwidth if it is or otherwise judging whether there is path satisfying required transmission bandwidth or not and setting up transmission bandwidth if it is or otherwise confirming that revision of transmission bandwidth is failure. The system for realizing said method is also disclosed.
Description
Technical field
The present invention relates to transmission technology in the communication system, particularly a kind of method and system of revising transmission bandwidth.
Background technology
Along with third generation mobile (3G) technology rapid development, the mobile data services amount also constantly increases, this is a great challenge to original resource with regard to insufficient transport layer, in order to utilize limited transport layer bandwidth efficiently, need adjust the transport layer bandwidth dynamically according to user's real-time traffic.In the R99 version of Wideband Code Division Multiple Access (WCDMA) (WCDMA), utilize AAL (AAL, ATM Adaptation Layer type) 2 foundation (Establish) flow processs and AAL2 release (Release) flow process are carried out the modification of transmission bandwidth, in the R5 version, utilize AAL2 to revise (Modify) flow process and carry out the modification of transmission bandwidth.The flow process of described Modify flow process for current transmission bandwidth is made amendment, described Establish flow process and Release flow process are the flow processs that rebulids transmission bandwidth.
Fig. 1 is for being carried out the system schematic that transmission bandwidth is revised by the Establish flow process, system shown in Figure 1 comprises: radio network controller (RNC) 11, base station node B12, wherein, RNC11 comprises: Service Processing Unit 13, AAL2 unit 14, Node B12 unit comprises: applying unit 15, AAL2 unit 16, wherein, the AAL2 unit 14 of RNC11 comprises: signaling unit 14a.
Signaling unit 14a among the RNC11 receives the Establish request message that Service Processing Unit 13 sends, return Establish refuse information, Establish acknowledge message to Service Processing Unit 13, receive the Release request message that Service Processing Unit 13 sends, return the Release acknowledge message to Service Processing Unit 13.
Signaling unit 14a among the RNC11 also with the mutual Establish message of Node B12, Release message, specifically: the AAL2 unit 16 of signaling unit 14a in Node B12 sends the Establish request message, receives the Establish response message that AAL2 unit 16 returns; Signaling unit 14a sends the Release request message to AAL2 unit 16, receives the Release response message that AAL2 unit 16 returns.
The mutual Establish message of signaling unit 14a among Node B12 and the RNC11, Release message, specifically: the AAL2 unit 16 among the Node B12 receives the Establish request message that the signaling unit 14a among the RNC11 sends, and returns the Establish response message to signaling unit 14a; AAL2 unit 16 receives the Release request message that the signaling unit 14a among the RNC11 sends, and returns the Release response message to signaling unit 14a.
Among the Node B12, AAL2 unit 16 and applying unit 15 interactive information, specifically: AAL2 unit 16 sends the Establish Indication message to applying unit, and applying unit 15 returns the Establish response message to AAL2 unit 16; AAL2 unit 16 sends the Release Indication message to applying unit, and applying unit 15 returns the Release response message to AAL2 unit 16.
Fig. 2 is for carrying out the process schematic diagram that transmission bandwidth is revised by the Establish flow process in the system shown in Figure 1, and promptly Fig. 2 is the process schematic diagram of carrying out when rebuliding the transmission bandwidth flow process, and process shown in Figure 2 comprises following steps:
Step 201: Service Processing Unit 13 sends the Establish request message to signaling unit 14a, comprises in the Establish request message: the purpose transmission bandwidth information.
When normally needing to revise the transport layer bandwidth, Service Processing Unit 13 sends the Establish request message to signaling unit 14a.Before the execution in step 201, earlier prepare Radio Resource between RNC11 and the Node B12 by Node B applying portion (NBAP) signalling interactive process, when Service Processing Unit 13 know be ready to Radio Resource after, execution in step 201.
Step 202: signaling unit 14a is judged to be the Establish possibility, promptly has the PATH that satisfies the described purpose transmission bandwidth of step 201, execution in step 204 in the transmission path (PATH).
If it is impossible that signaling unit 14a is judged to be Establish, promptly there is not the PATH that satisfies the described purpose transmission bandwidth of step 201 in the transmission path (PATH), then the step 203 that with dashed lines marks in the execution graph 2.
Step 203: signaling unit 14a returns Establish refuse information, process ends to Service Processing Unit 13.
Step 204: signaling unit 14a sends the Establish request message to Node B12.
Step 205～step 207:Node B12 returns the Establish acknowledge message to signaling unit 14a, is specially: AAL2 unit 16 sends the Establish Indication message to applying unit 15; Applying unit 15 returns the Establish response message to AAL2 unit 16; AAL2 unit 16 returns the Establish response message to signaling unit 14a.
Step 208: signaling unit 14a sends the Establish acknowledge message to Service Processing Unit 13.
Step 209～step 214:RNC11 and Node B12 finish the Release process, are specially: Service Processing Unit 13 sends the Release request message to signaling unit 14a; Signaling unit 14a sends the Release request message to AAL2 unit 16; AAL2 unit 16 sends the Release Indication message to applying unit 15; Applying unit 15 returns the Release response message to AAL2 unit 16; AAL2 unit 16 returns the Release acknowledge message to signaling unit 14a; Signaling unit 14a returns Release acknowledge message, process ends to Service Processing Unit 13.
Fig. 3 is for being carried out the system schematic that transmission bandwidth is revised by the Modify flow process, system shown in Figure 3 comprises: RNC31, Node B32, wherein, RNC31 comprises: Service Processing Unit 33, AAL2 unit 34, Node B32 unit comprises: applying unit 35, AAL2 unit 36, wherein, the AAL2 unit 34 of RNC11 comprises: signaling unit 34a.
The signaling unit 34a of Service Processing Unit 33 among the RNC31 in RNC31 sends the Modify request message, receives Modify refuse information, Modify acknowledge message that signaling unit 34a returns.
Signaling unit 34a among the RNC31 receives the Modify request message that Service Processing Unit 33 sends, and returns Modify refuse information, Modify acknowledge message to Service Processing Unit 33.
Signaling unit 34a among the RNC31 also with Node B32 interactive information, specifically: the AAL2 unit 36 of signaling unit 34a in Node B32 sends the Modify request messages, receives the Modify response message that AAL2 unit 36 returns.
Signaling unit 34a interactive information among Node B32 and the RNC31, specifically: the AAL2 unit 36 among the Node B32 receives the Modify request message that the signaling unit 34a among the RNC31 sends, and returns the Modify response message to signaling unit 34a.
Among the Node B32, AAL2 unit 36 and applying unit 35 interactive information, specifically: AAL2 unit 36 sends the Modify Indication message to applying unit, and applying unit 35 returns the Modify response message to AAL2 unit 36.
Fig. 4 is for carrying out the process schematic diagram that transmission bandwidth is revised by the Modify flow process in the system shown in Figure 3, and promptly Fig. 4 is for carrying out the make amendment process schematic diagram of flow process of current transmission bandwidth, and process shown in Figure 4 comprises following steps:
Step 401: Service Processing Unit 33 sends the Modify request message to signaling unit 34a, comprises in the Modify request message: current PATH information, purpose transmission bandwidth information.
When normally needing to revise the transport layer bandwidth, Service Processing Unit 33 sends the Modify request message to signaling unit 34a.Before the execution in step 401, earlier prepare Radio Resource between RNC31 and the Node B32 by signalling interactive process, when Service Processing Unit 33 know be ready to Radio Resource after, execution in step 401.
Step 402: signaling unit 34a is judged to be the Modify possibility, and promptly current PATH bandwidth resources satisfy the described purpose transmission bandwidth of step 401, execution in step 404.
If it is impossible that signaling unit 34a is judged to be Modify, promptly current PATH bandwidth resources do not satisfy the described purpose transmission bandwidth of step 401, the then step 403 that with dashed lines marks in the execution graph 4.
Step 403: signaling unit 34a returns Modify refuse information, process ends to Service Processing Unit 33.
Step 404: signaling unit 34a sends the Modify request message to Node B32.
Step 405～step 407:Node B32 returns the Modify acknowledge message to signaling unit 34a, is specially: AAL2 unit 36 sends the Modify Indication message to applying unit 35; Applying unit 35 returns the Modify response message to AAL2 unit 36; AAL2 unit 36 returns the Modify response message to signaling unit 34a.
Step 408: signaling unit 34a returns Modify acknowledge message, process ends to Service Processing Unit 33.
The shortcoming of prior art is:
1) utilizes AAL2 Establish process and AAL2 Release process to realize the modification of transmission bandwidth, need twice signalling interactive process between RNC and the Node B, increased Signalling exchange expense and time delay.
2) utilize the AAL2Modify process to realize the modification of transmission bandwidth, signaling process of needs just can be finished the modification of transmission bandwidth between RNC and the Node B, has reduced Signalling exchange expense and time delay.But when the PATH at user place goes up the bandwidth resources deficiency, can cause revising the transmission bandwidth failure, make customer flow regulate failure.Because the AAL2Modify process can only be carried out the transmission bandwidth modification on current PATH, even therefore on other the PATH enough bandwidth resources are arranged at this moment, also can cause revising the transmission bandwidth failure in addition, the transmission bandwidth utilance is very low.
3) modification process of transmission bandwidth is to carry out after being ready to Radio Resource, when revising the transmission bandwidth failure, make Radio Resource be ready to but need not, cause waste, and, increased the Signalling exchange expense owing to prepare Signalling exchange in the Radio Resource process.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of revising transmission bandwidth, can take into account and consider that Signalling exchange expense and transmission bandwidth are modified as power.
Another object of the present invention is to provide a kind of system of revising transmission bandwidth, can take into account and consider that Signalling exchange expense and transmission bandwidth are modified as power.
Technical scheme of the present invention is achieved in that
A kind of method of revising transmission bandwidth, the method includes the steps of:
A, obtain current business resource ID and purpose bandwidth information;
B, judge whether the bandwidth resources of current transmission path PATH satisfy the transmission bandwidth of current business needs,, then carry out the flow process that current transmission bandwidth is made amendment, finish this handling process if satisfy; If do not satisfy, then execution in step c;
C, judge whether to satisfy the PATH of the transmission bandwidth of the described needs of step b,, then carry out the flow process of setting up transmission bandwidth if having; If no, then determine to revise the transmission bandwidth failure.
Described step a is specially: the AAL AAL2 unit in the radio network controller (RNC) receives the message that Service Processing Unit sends among the RNC, obtains current business resource ID and purpose bandwidth information from the message that receives.
Further comprise before the step c: the resource information of inquiring about all available PATH.
Among the step b,, then carry out the flow process that current transmission bandwidth is made amendment and further comprise before if satisfy:
But the AAL2 unit sends the current transmission bandwidth success message of making amendment to Service Processing Unit;
Correspondingly, when carrying out the flow process that current transmission bandwidth is made amendment, send to the AAL2 unit by Service Processing Unit and to revise the Modify request message and initiate flow process that current transmission bandwidth is made amendment;
Among the step c,, then carry out the flow process of setting up transmission bandwidth and further comprise before if having:
The AAL2 unit sends to Service Processing Unit and can not make amendment to current transmission bandwidth but can set up the message of transmission bandwidth;
Among the step c,, comprise before then determining to revise the transmission bandwidth failure if do not have:
The AAL2 unit sends and can not make amendment and can not rebulid the message of transmission bandwidth current transmission bandwidth to Service Processing Unit.
Among the step b, current transmission bandwidth is made amendment behind the success message, further comprise before the flow process of initiating current transmission bandwidth is made amendment: prepare Radio Resource between RNC and the base station node B but Service Processing Unit receives;
Among the step c, the Service Processing Unit reception can not be made amendment to current transmission bandwidth but after can setting up the message of transmission bandwidth, be carried out the flow process of setting up transmission bandwidth and further comprise before: prepare Radio Resource between RNC and the Node B.
Described step a is specially:
The signaling unit of Service Processing Unit among the RNC in RNC sends the Modify request message; Signaling unit obtains current business resource ID and purpose bandwidth information from the Modify request message that receives.
Among the step b,, then send the Modify request message to Node B and further carry out the flow process that current transmission bandwidth is made amendment by signaling unit if satisfy;
Among the step c,, then carry out the flow process of setting up transmission bandwidth and further comprise before if having:
AAL2 unit among the RNC sends to Service Processing Unit and can not make amendment to current transmission bandwidth but can set up the message of transmission bandwidth;
Among the step c,, further comprise before then determining to revise the transmission bandwidth failure if do not have:
AAL2 unit among the RNC sends and can not make amendment and can not rebulid the message of transmission bandwidth current transmission bandwidth to Service Processing Unit.
Further comprise before the step a: prepare Radio Resource between RNC and the Node B.
Further comprise between step a and the step b:
Know carrying PATH ID of current business and current business occupied bandwidth information in described PATH according to the current business resource ID.
A kind of system of revising transmission bandwidth, this system comprises: RNC, Node B, wherein RNC comprises: Service Processing Unit, AAL2 unit;
Service Processing Unit among the RNC sends the message comprise current business resource ID and purpose bandwidth information to the AAL2 unit, receives the Modify possibility court verdict that returns the AAL2 unit, sets up Establish possibility court verdict; With the mutual Modify message in AAL2 unit, Establish message, Release message;
AAL2 unit among the RNC receives the message that comprises current business resource ID and purpose bandwidth information that Service Processing Unit sends, and carries out the judgement of Modify possibility, the judgement of Establish possibility, and returns court verdict to Service Processing Unit; Distinguish mutual Modify message, Establish message, Release message with Service Processing Unit and Node B.
Described AAL2 unit comprises: signaling unit, pre-access unit;
Signaling unit and Service Processing Unit and Node B be mutual Modify message, Establish message, Release message respectively;
Pre-access unit receives the pre-admission message that comprises current business resource ID and purpose bandwidth information that Service Processing Unit sends, and carries out the judgement of Modify possibility, the judgement of Establish possibility, and returns court verdict to Service Processing Unit; Send inquiry and know all available PATH resource information to signaling unit;
Signaling unit further receives the message of all available PATH transfer resources of inquiry of pre-access unit transmission, returns all available PATH resource information to pre-access unit.
Described AAL2 unit comprises: signaling unit, decision unit;
Signaling unit receives the message of all available PATH transfer resources of inquiry of decision unit transmission, returns all available PATH resource information to decision unit; What receive that decision unit sends can not use Modify but transmit to Service Processing Unit after can using Establish message, can not use Modify and can not using Establish message; Distinguish mutual Modify message, Establish message, Release message with Service Processing Unit and Node B;
What decision unit reception signaling unit sent can not use Modify message, carry out Establish possibility judgement, and send to signaling unit and can not use Modify but can use Establish message, can not use Modify and can not use Establish message; Send inquiry and know all available PATH resource information to signaling unit;
Or;
Signaling unit receives the message of all available PATH transfer resources of inquiry of decision unit transmission, returns all available PATH resource information to decision unit; Distinguish mutual Modify message, Establish message, Release message with Service Processing Unit and Node B;
What decision unit reception signaling unit sent can not use Modify message, carry out Establish possibility judgement, and send to Service Processing Unit and can not use Modify but can use Establish message, can not use Modify and can not use Establish message; To signaling unit inquiry and know all available PATH resource information.
Described AAL2 unit comprises: signaling unit;
Signaling unit can not use Modify to the Service Processing Unit transmission but can use Establish message, can not use Modify and can not use Establish message; Distinguish mutual Modify message, Establish message, Release message with Service Processing Unit and Node B.
The transmission bandwidth that can the bandwidth resources of current PATH satisfy the demand is judged by elder generation among the present invention, if satisfy, then carry out the AAL2Modify flow process, if do not satisfy, then judge whether the PATH of the transmission bandwidth of satisfying the demand again,, then carry out AAL2 Establish flow process and AAL2 Release flow process if having, if no, then judge transmission bandwidth modification failure.The present invention has following beneficial effect:
1) as long as can revise transmission bandwidth with the AAL2Modify process, just directly carry out AAL2 Modify flow process, avoiding with this can be with AAL2 Modify process but with the increase of AAL2 Establish process and the AAL2Release process modification RNC that transmission bandwidth was caused and increase of the signaling consumption between the Node B and propagation delay time; Simultaneously, for the situation that can not revise transmission bandwidth with AAL2 Modify process, if exist other to satisfy the PATH of resource requirement, then carry out AAL2 Establish flow process and AAL2Release flow process, improved the success rate of revising transmission bandwidth, and the transmission bandwidth resource fully is utilized, and therefore method of the present invention is taken into account the success rate of having considered signaling consumption and having revised transmission bandwidth.
2) carry out pre-access process earlier, judge whether needs preparation Radio Resource according to its result again, specifically: if the result that pre-access process is carried out can use the Modify process, maybe can use Establish and Release process to revise transmission bandwidth, then prepare Radio Resource, if the result that pre-access process is carried out revises the transmission bandwidth failure, then do not prepare Radio Resource, avoided the first Radio Resource of having prepared thus, but, need not prepare Radio Resource and also can save the Signalling exchange expense because of revising the waste that the transmission bandwidth failure does not use Radio Resource to cause.
Description of drawings
Fig. 1 is for carrying out the system schematic that transmission bandwidth is revised by the Establish flow process in the prior art;
Fig. 2 is for carrying out the process schematic diagram that transmission bandwidth is revised by the Establish flow process in the prior art
Fig. 3 is for carrying out the system schematic that transmission bandwidth is revised by the Modify flow process in the prior art;
Fig. 4 is for carrying out the process schematic diagram that transmission bandwidth is revised by the Modify flow process in the prior art;
Carry out the system schematic that transmission bandwidth is revised in Fig. 5 embodiment of the invention 1;
Carry out the process schematic diagram that transmission bandwidth is revised in Fig. 6 embodiment of the invention 1;
Fig. 7 is for carrying out the system schematic that transmission bandwidth is revised in the embodiment of the invention 2;
Fig. 8 is for carrying out the process schematic diagram that transmission bandwidth is revised in the embodiment of the invention 2;
Fig. 9 is for carrying out the system schematic that transmission bandwidth is revised in the embodiment of the invention 3;
Figure 10 is for carrying out the process schematic diagram that transmission bandwidth is revised in the embodiment of the invention 3.
Embodiment
The present invention is after knowing current business resource ID and purpose bandwidth information, judges whether the bandwidth resources of current PATH satisfy the transmission bandwidth of current business needs, if satisfy, then carries out the flow process that current transmission bandwidth is made amendment; If do not satisfy, then judge whether the PATH of the transmission bandwidth of satisfying the demand again, if having, then carry out and set up the flow process of transmission bandwidth, if do not have, then determine to revise the transmission bandwidth failure.
Among the present invention, judge the transmission bandwidth whether bandwidth resources of current PATH satisfy the demand, can carry out before the Modify request initiating, also can after initiating the Modify request, carry out.
Embodiment 1:
The transmission bandwidth whether bandwidth resources of judging current PATH in the present embodiment satisfy current needs is to carry out before the AAL2Modify request initiating.
Fig. 5 is a system schematic of revising transmission bandwidth in the present embodiment, system shown in Figure 5 comprises: RNC51, Node B52, wherein, RNC51 comprises: Service Processing Unit 53, AAL2 unit 54, Node B52 unit comprises: applying unit 55, AAL2 unit 56, wherein, the AAL2 unit 54 of RNC 11 comprises: pre-access unit 54a, signaling unit 54b.
Among the Node B52, AAL2 unit 56 and applying unit 55 interactive information, specifically: AAL2 unit 56 sends the Modify Indication message to applying unit, and applying unit 55 returns the Modify response message to AAL2 unit 56; AAL2 unit 56 sends the Establish Indication message to applying unit, and applying unit 55 returns the Establish response message to AAL2 unit 56; AAL2 unit 56 sends the Release Indication message to applying unit, and applying unit 55 returns the Release response message to AAL2 unit 56.
The success message of Modify described in Fig. 5 can use Modify to revise current transmission bandwidth in order to show; Described Modify fails but can rebuild message and can not use Modify to revise current transmission bandwidth in order to show, but can use Establish and Release to rebulid transmission bandwidth; Described Modify fails and can not rebuild message and can not use Modify to revise current transmission bandwidth in order to show, and can not use Establish to rebuild transmission bandwidth.
Fig. 6 is for carrying out the process schematic diagram that transmission bandwidth is revised in the present embodiment, process shown in Figure 6 comprises following steps:
The pre-access unit of Service Processing Unit among the step 601:RNC in RNC AAL2 sends pre-access request message, comprises in the pre-access request message: resource ID, the purpose transmission bandwidth information of carrying current business.
When normally needing to revise the transport layer bandwidth, Service Processing Unit sends pre-access request message to pre-access unit.
According to the resource ID of the current business of receiving, the resource information that current business has been used can be known in pre-access unit, is carried on which bar PATH goes up and current business information such as occupied bandwidth in described PATH such as: current business.Usually pre-access unit is to the resource ID of signaling unit transmission current business, and signaling unit is then inquired about the resource information that current business has been used according to the resource ID of current business at self, and returns the information that inquires to pre-access unit.Here, the method for the resource information used in self inquiry current business according to the resource ID of current business of signaling unit belongs to prior art.
Described purpose transmission bandwidth is the total transmission bandwidth that needs after transmission bandwidth is revised.
Step 602: the resource information that all available PATH are inquired about in pre-access unit.
The signaling unit of usually pre-access unit in RNC AAL2 inquired about, and obtains to comprise the resource information of current PATH and other all available PATH, and the resource information of described PATH comprises the remaining bandwidth information of PATH usually.
Step 603: whether the pre-current PATH bandwidth resources of access unit judges satisfy the purpose transmission bandwidth, if do not satisfy, then execution in step 606, if satisfy, then execution in step 604.
In the step 603, whether the remaining bandwidth resource of the pre-current PATH of access unit judges is not less than in the step 601 purpose transmission bandwidth and the current business difference of dedicated bandwidth.Such as: the purpose transmission bandwidth is 192k, the bandwidth that current business has been used is 64k, at this moment, if the remaining bandwidth resource of current PATH is not less than 192k-64k=128k, show that then current PATH bandwidth resources satisfy the purpose transmission bandwidth, if the remaining bandwidth resource of current PATH, shows then that current PATH bandwidth resources do not satisfy the purpose transmission bandwidth less than 128k.
Step 604: but pre-access unit returns the AAL2Modify success message to Service Processing Unit.
Step 605: carry out AAL2 Modify flow process, after Modify refuse information or Modify acknowledge message that Service Processing Unit reception signaling unit sends, process ends.
In the step 605, at first send the Modify request message by the signaling unit of the Service Processing Unit among the RNC in RNC AAL2 and begin AAL2 Modify flow process, the process of concrete execution in step 605 is identical with the process of step 401～step 408 in the execution graph 4.
Between step 604 and step 605, can comprise: prepare Radio Resource by the NBAP signalling interactive process between RNC and the Node B, Service Processing Unit is known and is ready to after the Radio Resource execution in step 605.
Step 606: whether pre-access unit judges has the PATH that satisfies the described purpose transmission bandwidth of step 601, if having, then execution in step 608, if do not have, then execution in step 607.
In the step 606, the PATH of the described purpose transmission bandwidth of step 601 is searched and judged whether to satisfy in pre-access unit.Described searching can be to search in all PATH, also can be to search among other PATH the described current business place PATH except step 601.
Step 607: pre-access unit returns AAL2 Modify failure and can not rebuild message, process ends to Service Processing Unit.
Step 608: pre-access unit returns AAL2 Modify failure to Service Processing Unit but can rebuild message.
Step 609: carry out AAL2 Establish flow process, after Establish refuse information or Release acknowledge message that Service Processing Unit reception signaling unit sends, process ends.
In the step 609, at first send the Establish request message by the signaling unit of the Service Processing Unit among the RNC in RNC AAL2 and begin AAL2 Establish flow process, the process of concrete execution in step 609 is identical with the process of step 201～step 214 in the execution graph 2.
Between step 608 and step 609, can comprise: prepare Radio Resource by the NBAP signalling interactive process between RNC and the Node B, Service Processing Unit is known and is ready to after the Radio Resource execution in step 609.
Embodiment 2:
The transmission bandwidth whether bandwidth resources of judging current PATH in the present embodiment satisfy current needs is to carry out after initiating the AAL2Modify request.
Fig. 7 is a system schematic of revising transmission bandwidth in the present embodiment, system shown in Figure 7 comprises: RNC71, Node B72, wherein, RNC71 comprises: Service Processing Unit 73, AAL2 unit 74, Node B72 unit comprises: applying unit 75, AAL2 unit 76, wherein, the AAL2 unit 74 of RNC11 comprises: signaling unit 74a, decision unit 74b.
Signaling unit 74a among the RNC71 receives the Modify request message that Service Processing Unit 73 sends, and returns Modify refuse information, Modify acknowledge message to Service Processing Unit 73; Receive the Establish request message that Service Processing Unit 73 sends, return Establish refuse information, Establish acknowledge message to Service Processing Unit 73; Receive the Release request message that Service Processing Unit 73 sends, return the Release acknowledge message to Service Processing Unit 73; Receive the message of all available PATH transfer resources of inquiry of decision unit 74b transmission, return all available PATH resource information to decision unit 74b.
Signaling unit 74a among the RNC71 also with Node B72 interactive information, specifically: the AAL2 unit 76 of signaling unit 74a in Node B72 sends the Modify request messages, receives the Modify response message that AAL2 unit 76 returns; The AAL2 unit 76 of signaling unit 74a in Node B72 sends the Establish request message, receives the Establish response message that AAL2 unit 76 returns; Signaling unit 74a sends the Release request message to AAL2 unit 76, receives the Release response message that AAL2 unit 76 returns.
Decision unit 74b among the RNC71 receives the Modify failed message that Service Processing Unit 73 sends, and carries out transmission bandwidth and rebuilds the possibility judgement, sends the Modify failure to Service Processing Unit 73 but can rebuild message, Modify failure and can not rebuild message; Decision unit 74b receives all available PATH resource information that signaling unit 74a sends to the message that signaling unit 74a sends all available PATH transfer resources of inquiry.
Node B72 is identical with Node B52 among Fig. 5, that is:
Signaling unit 74a interactive information among Node B72 and the RNC71, specifically: the AAL2 unit 76 among the Node B72 receives the Modify request message that the signaling unit 74a among the RNC71 sends, and returns the Modify response message to signaling unit 74a; AAL2 unit 76 among the Node B72 receives the Establish request message that the signaling unit 74a among the RNC71 sends, and returns the Establish response message to signaling unit 74a; AAL2 unit 76 receives the Release request message that the signaling unit 74a among the RNC71 sends, and returns the Release response message to signaling unit 74a.
Among the Node B72, AAL2 unit 76 and applying unit 75 interactive information, specifically: AAL2 unit 76 sends the Modify Indication message to applying unit, and applying unit 75 returns the Modify response message to AAL2 unit 76; AAL2 unit 76 sends the Establish Indication message to applying unit, and applying unit 75 returns the Establish response message to AAL2 unit 76; AAL2 unit 76 sends the Release Indication message to applying unit, and applying unit 75 returns the Release response message to AAL2 unit 76.
The success message of Modify described in Fig. 7 can use Modify to revise current transmission bandwidth in order to show; Described Modify fails but can rebuild message and can not use Modify to revise current transmission bandwidth in order to show, but can use Establish and Release to rebulid transmission bandwidth; Described Modify fails and can not rebuild message and can not use Modify to revise current transmission bandwidth in order to show, and can not use Establish to rebuild transmission bandwidth.
In the foregoing description, Service Processing Unit 73 receives the Modify failure of decision unit 74b transmission but can rebuild message, Modify failure and can not rebuild message; Decision unit 74b sends the Modify failure to Service Processing Unit 73 but can rebuild message, Modify failure and can not rebuild message.
During practical application also can be: decision unit 74b fails Modify by signaling unit 74a but can rebuild message, Modify failure and can not rebuild message and sends to Service Processing Unit 73.Specifically: Service Processing Unit 73 receives the Modify failure of signaling unit 74a transmission but can rebuild message, Modify failure and can not rebuild message; Signaling unit 74a sends the Modify failure to Service Processing Unit 73 but can rebuild message, Modify failure and can not rebuild message; Decision unit 74b sends the Modify failure to signaling unit 74a but can rebuild message, Modify failure and can not rebuild message.
Fig. 8 is for carrying out the process schematic diagram that transmission bandwidth is revised in the present embodiment, process shown in Figure 8 comprises following steps:
The signaling unit of Service Processing Unit among the step 801:RNC in RNC AAL2 sends the Modify request message, comprises in the Modify request message: the resource ID of carrying current business, purpose transmission bandwidth information.
When normally needing to revise the transport layer bandwidth, Service Processing Unit sends the Modify request message to signaling unit.Before the execution in step 801, earlier by Signalling exchange, prepare Radio Resource between RNC and the Node B, Service Processing Unit is known and is ready to after the Radio Resource execution in step 801.
Described current PATH information is in order to represent current business is used the information such as how many bandwidth on which bar PATH.
According to the resource ID of current business, signaling unit can be in inquiry certainly and know the resource information that current business has been used, is carried on which bar PATH goes up and current business information such as occupied bandwidth in described PATH such as: current business.Here, signaling unit self is being inquired about and is being known that the method for the resource information that current business has been used belongs to prior art according to the resource ID of current business.
Described purpose transmission bandwidth is the total transmission bandwidth that needs after transmission bandwidth is revised.
Step 802: signaling unit judges whether current PATH bandwidth resources satisfy the purpose transmission bandwidth, if satisfy, then execution in step 803, if do not satisfy, then execution in step 804.
In the step 802, signaling unit judges whether the remaining bandwidth resource of current PATH is not less than in the step 801 purpose transmission bandwidth and the current business difference of dedicated bandwidth.Such as: the purpose transmission bandwidth is 192k, the bandwidth that current business has been used is 64k, at this moment, if the remaining bandwidth resource of current PATH is not less than 192k-64k=128k, show that then current PATH bandwidth resources satisfy the purpose transmission bandwidth, if the remaining bandwidth resource of current PATH, shows then that current PATH bandwidth resources do not satisfy the purpose transmission bandwidth less than 128k.
Signaling unit among the step 803:RNC AAL2 sends the Modify request message to Node B, and the signaling unit of NodeB in RNC AAL2 returns the Modify response message, and signaling unit returns Modify acknowledge message, process ends to business unit.
The process of concrete execution in step 803 is identical with the process of step 304～step 308 in the execution graph 3.
Step 804: signaling unit sends to decision unit with the Modify failed message.
Step 805: decision unit sends the resource information of inquiring about all available PATH to signaling unit, and signaling unit returns the resource information of all available PATH to decision unit.
Step 806: decision unit judges whether to satisfy the PATH of the described purpose transmission bandwidth of step 801, if satisfy, then execution in step 808, if not, then execution in step 807.
In the step 806, search and judge whether to satisfy the PATH of the described purpose transmission bandwidth of step 801.Described searching is can be to search in all PATH, also can be to search among other PATH the described current business place PATH except step 801.
Step 807: decision unit returns AAL2 Modify failure and can not rebuild message, process ends to Service Processing Unit.
During practical application also can be: decision unit returns AAL2 Modify failure and can not rebuild message, process ends to Service Processing Unit by signaling unit.
Step 808: decision unit returns AAL2 Modify failure to Service Processing Unit but can rebuild message.
During practical application also can be: decision unit returns AAL2 Modify failure by signaling unit to Service Processing Unit but can rebuild message.
Step 809: carry out AAL2 Establish flow process, after Establish refuse information or Release acknowledge message that Service Processing Unit reception signaling unit sends, process ends.
In the step 809, at first send the Establish request message by the signaling unit of the Service Processing Unit among the RNC in RNC AAL2 and begin AAL2 Establish flow process, the process of concrete execution in step 809 is identical with the process of step 201～step 214 in the execution graph 2.
Embodiment 3:
The transmission bandwidth whether bandwidth resources of judging current PATH in the present embodiment satisfy current needs is to carry out after initiating AAL2 Modify request.The difference of present embodiment and embodiment 2 is: the function of finishing by decision unit among the embodiment 2, directly finish in the present embodiment by signaling unit.
Fig. 9 is a system schematic of revising transmission bandwidth in the present embodiment, system shown in Figure 9 comprises: RNC91, Node B92, wherein, RNC91 comprises: Service Processing Unit 93, AAL2 unit 94, Node B92 unit comprises: applying unit 95, AAL2 unit 96, wherein, the AAL2 unit 94 of RNC11 comprises: signaling unit 94a.
Service Processing Unit 93 among the RNC91 sends the Modify request message to signaling unit 94a, and the Modify that reception signaling unit 94a returns fails but can rebuild message, Modify failure and can not rebuild message, Modify refuse information, Modify acknowledge message; Send the Establish request message to signaling unit 94a, receive Establish refuse information, Establish acknowledge message that signaling unit 94a returns; Send the Release request message to signaling unit 94a, receive the Release acknowledge message that signaling unit 94a returns.
Signaling unit 94a among the RNC91, receive the Modify request message that Service Processing Unit 93 sends, return the Modify failure to Service Processing Unit 93 but can rebuild message, Modify failure and can not rebuild message, Modify refuse information, Modify acknowledge message; Receive the Establish request message that Service Processing Unit 93 sends, return Establish refuse information, Establish acknowledge message to Service Processing Unit 93; Receive the Release request message that Service Processing Unit 93 sends, return the Release acknowledge message to Service Processing Unit 93.
Signaling unit 94a among the RNC91 also with Node B92 interactive information, specifically: the AAL2 unit 96 of signaling unit 94a in Node B92 sends the Modify request messages, receives the Modify response message that AAL2 unit 96 returns; The AAL2 unit 96 of signaling unit 94a in Node B92 sends the Establish request message, receives the Establish response message that AAL2 unit 96 returns; Signaling unit 94a sends the Release request message to AAL2 unit 96, receives the Release response message that AAL2 unit 96 returns.
Node B92 is identical with Node B52 among Fig. 5, that is:
Signaling unit 94a interactive information among Node B92 and the RNC91, specifically: the AAL2 unit 96 among the Node B92 receives the Modify request message that the signaling unit 94a among the RNC91 sends, and returns the Modify response message to signaling unit 94a; AAL2 unit 96 among the Node B92 receives the Establish request message that the signaling unit 94a among the RNC91 sends, and returns the Establish response message to signaling unit 94a; AAL2 unit 96 receives the Release request message that the signaling unit 94a among the RNC91 sends, and returns the Release response message to signaling unit 94a.
Among the Node B92, AAL2 unit 96 and applying unit 95 interactive information, specifically: AAL2 unit 96 sends the Modify Indication message to applying unit, and applying unit 95 returns the Modify response message to AAL2 unit 96; AAL2 unit 96 sends the Establish Indication message to applying unit, and applying unit 95 returns the Establish response message to AAL2 unit 96; AAL2 unit 96 sends the Release Indication message to applying unit, and applying unit 95 returns the Release response message to AAL2 unit 96.
The success message of Modify described in Fig. 9 can use Modify to revise current transmission bandwidth in order to show; Described Modify fails but can rebuild message and can not use Modify to revise current transmission bandwidth in order to show, but can use Establish and Release to rebulid transmission bandwidth; Described Modify fails and can not rebuild message and can not use Modify to revise current transmission bandwidth in order to show, and can not use Establish to rebuild transmission bandwidth.
Figure 10 is for carrying out the process schematic diagram that transmission bandwidth is revised in the present embodiment, process shown in Figure 10 comprises following steps:
The signaling unit of Service Processing Unit among the step 1001:RNC in RNC AAL2 sends the Modify request message, comprises in the Modify request message: the resource ID of carrying current business, purpose transmission bandwidth information.
When normally needing to revise the transport layer bandwidth, Service Processing Unit sends the Modify request message to signaling unit.Before the execution in step 1001, earlier by Signalling exchange, prepare Radio Resource between RNC and the Node B, Service Processing Unit is known and is ready to after the Radio Resource execution in step 1001.
Described current PATH information is in order to represent current business is used the information such as how many bandwidth on which bar PATH.
By the resource ID of current business, signaling unit can and be known the resource information that current business has been used in self inquiry, is carried on which bar PATH goes up and current business information such as occupied bandwidth in described PATH such as: current business.Here, signaling unit self is being inquired about and is being known that the method for the resource information that current business has been used belongs to prior art according to the resource ID of current business.
Described purpose transmission bandwidth is the total transmission bandwidth that needs after transmission bandwidth is revised.
Step 1002: signaling unit judges whether current PATH bandwidth resources satisfy the purpose transmission bandwidth, if satisfy, then execution in step 1003, if do not satisfy, then execution in step 1004.
In the step 1002, signaling unit judges whether the remaining bandwidth resource of current PATH is not less than in the step 1001 purpose transmission bandwidth and the current business difference of dedicated bandwidth.Such as: the purpose transmission bandwidth is 192k, the bandwidth that current business has been used is 64k, at this moment, if the remaining bandwidth resource of current PATH is not less than 192k-64k=128k, show that then current PATH bandwidth resources satisfy the purpose transmission bandwidth, if the remaining bandwidth resource of current PATH, shows then that current PATH bandwidth resources do not satisfy the purpose transmission bandwidth less than 128k.
Signaling unit among the step 1003:RNC AAL2 sends the Modify request message to Node B, and the signaling unit of Node B in RNC AAL2 returns the Modify response message, and signaling unit returns Modify acknowledge message, process ends to business unit.
The process of concrete execution in step 1003 is identical with the process of step 304～step 308 in the execution graph 3.
Step 1004: signaling unit judges whether to satisfy the PATH of the described purpose transmission bandwidth of step 1001, if satisfy, then execution in step 1006, if not, then execution in step 1005.
In the step 1004, search and judge whether to satisfy the PATH of the described purpose transmission bandwidth of step 1001.Described searching is can be to search in all PATH, also can be to search among other PATH the described current business place PATH except step 1001.
Step 1005: signaling unit returns AAL2 Modify failure and can not rebuild message, process ends to Service Processing Unit.
Step 1006: signaling unit returns AAL2 Modify failure to Service Processing Unit but can rebuild message.
Step 1007: carry out AAL2 Establish flow process, after Establish refuse information or Release acknowledge message that Service Processing Unit reception signaling unit sends, process ends.
In the step 1007, at first send the Establish request message by the signaling unit of the Service Processing Unit among the RNC in RNC AAL2 and begin AAL2 Establish flow process, the process of concrete execution in step 1007 is identical with the process of step 201～step 214 in the execution graph 2.
The above is preferred embodiment of the present invention only, is not to be used to limit the scope of application of the present invention.
Claims (13)
1. method of revising transmission bandwidth is characterized in that the method includes the steps of:
A, obtain current business resource ID and purpose bandwidth information;
B, judge whether the bandwidth resources of current transmission path PATH satisfy the transmission bandwidth of current business needs,, then carry out the flow process that current transmission bandwidth is made amendment, finish this handling process if satisfy; If do not satisfy, then execution in step c;
C, judge whether to satisfy the PATH of the transmission bandwidth of the described needs of step b,, then carry out the flow process of setting up transmission bandwidth if having; If no, then determine to revise the transmission bandwidth failure.
2. method according to claim 1, it is characterized in that, described step a is specially: the AAL AAL2 unit in the radio network controller (RNC) receives the message that Service Processing Unit sends among the RNC, obtains current business resource ID and purpose bandwidth information from the message that receives.
3. method according to claim 2 is characterized in that, further comprises before the step c: the resource information of inquiring about all available PATH.
4. method according to claim 2 is characterized in that, among the step b, if satisfy, then carries out the flow process that current transmission bandwidth is made amendment and further comprises before:
But the AAL2 unit sends the current transmission bandwidth success message of making amendment to Service Processing Unit;
Correspondingly, when carrying out the flow process that current transmission bandwidth is made amendment, send to the AAL2 unit by Service Processing Unit and to revise the Modify request message and initiate flow process that current transmission bandwidth is made amendment;
Among the step c,, then carry out the flow process of setting up transmission bandwidth and further comprise before if having:
The AAL2 unit sends to Service Processing Unit and can not make amendment to current transmission bandwidth but can set up the message of transmission bandwidth;
Among the step c,, comprise before then determining to revise the transmission bandwidth failure if do not have:
The AAL2 unit sends and can not make amendment and can not rebulid the message of transmission bandwidth current transmission bandwidth to Service Processing Unit.
5. method according to claim 4, it is characterized in that, among the step b, current transmission bandwidth is made amendment behind the success message, further comprise before the flow process of initiating current transmission bandwidth is made amendment: prepare Radio Resource between RNC and the base station node B but Service Processing Unit receives;
Among the step c, the Service Processing Unit reception can not be made amendment to current transmission bandwidth but after can setting up the message of transmission bandwidth, be carried out the flow process of setting up transmission bandwidth and further comprise before: prepare Radio Resource between RNC and the Node B.
6. method according to claim 1 is characterized in that, described step a is specially:
The signaling unit of Service Processing Unit among the RNC in RNC sends the Modify request message; Signaling unit obtains current business resource ID and purpose bandwidth information from the Modify request message that receives.
7. method according to claim 6 is characterized in that, among the step b, if satisfy, then sends the Modify request message by signaling unit to Node B and further carries out the flow process that current transmission bandwidth is made amendment;
Among the step c,, then carry out the flow process of setting up transmission bandwidth and further comprise before if having:
AAL2 unit among the RNC sends to Service Processing Unit and can not make amendment to current transmission bandwidth but can set up the message of transmission bandwidth;
Among the step c,, further comprise before then determining to revise the transmission bandwidth failure if do not have:
AAL2 unit among the RNC sends and can not make amendment and can not rebulid the message of transmission bandwidth current transmission bandwidth to Service Processing Unit.
8. according to claim 6 or 7 described methods, it is characterized in that, further comprise before the step a: prepare Radio Resource between RNC and the Node B.
9. method according to claim 1 is characterized in that, further comprises between step a and the step b:
Know carrying PATH ID of current business and current business occupied bandwidth information in described PATH according to the current business resource ID.
10. a system of revising transmission bandwidth is characterized in that, this system comprises: RNC, NodeB, and wherein RNC comprises: Service Processing Unit, AAL2 unit;
Service Processing Unit among the RNC sends the message comprise current business resource ID and purpose bandwidth information to the AAL2 unit, receives the Modify possibility court verdict that returns the AAL2 unit, sets up Establish possibility court verdict; With the mutual Modify message in AAL2 unit, Establish message, Release message;
AAL2 unit among the RNC receives the message that comprises current business resource ID and purpose bandwidth information that Service Processing Unit sends, and carries out the judgement of Modify possibility, the judgement of Establish possibility, and returns court verdict to Service Processing Unit; Distinguish mutual Modify message, Establish message, Release message with Service Processing Unit and Node B.
11. system according to claim 10 is characterized in that, described AAL2 unit comprises: signaling unit, pre-access unit;
Signaling unit and Service Processing Unit and Node B be mutual Modify message, Establish message, Release message respectively;
Pre-access unit receives the pre-admission message that comprises current business resource ID and purpose bandwidth information that Service Processing Unit sends, and carries out the judgement of Modify possibility, the judgement of Establish possibility, and returns court verdict to Service Processing Unit; Send inquiry and know all available PATH resource information to signaling unit;
Signaling unit further receives the message of all available PATH transfer resources of inquiry of pre-access unit transmission, returns all available PATH resource information to pre-access unit.
12. system according to claim 10 is characterized in that, described AAL2 unit comprises: signaling unit, decision unit;
Signaling unit receives the message of all available PATH transfer resources of inquiry of decision unit transmission, returns all available PATH resource information to decision unit; What receive that decision unit sends can not use Modify but transmit to Service Processing Unit after can using Establish message, can not use Modify and can not using Establish message; Distinguish mutual Modify message, Establish message, Release message with Service Processing Unit and Node B;
What decision unit reception signaling unit sent can not use Modify message, carry out Establish possibility judgement, and send to signaling unit and can not use Modify but can use Establish message, can not use Modify and can not use Establish message; Send inquiry and know all available PATH resource information to signaling unit;
Or:
Signaling unit receives the message of all available PATH transfer resources of inquiry of decision unit transmission, returns all available PATH resource information to decision unit; Distinguish mutual Modify message, Establish message, Release message with Service Processing Unit and Node B;
What decision unit reception signaling unit sent can not use Modify message, carry out Establish possibility judgement, and send to Service Processing Unit and can not use Modify but can use Establish message, can not use Modify and can not use Establish message; To signaling unit inquiry and know all available PATH resource information.
13. system according to claim 10 is characterized in that, described AAL2 unit comprises: signaling unit;
Signaling unit can not use Modify to the Service Processing Unit transmission but can use Establish message, can not use Modify and can not use Establish message; Distinguish mutual Modify message, Establish message, Release message with Service Processing Unit and Node B.
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| CN100411452C true CN100411452C (en) | 2008-08-13 |
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