CN100433914C - Method for rapid building-up of called-side voice calling in broad band CDMA system - Google Patents
Method for rapid building-up of called-side voice calling in broad band CDMA system Download PDFInfo
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- CN100433914C CN100433914C CNB2005100887730A CN200510088773A CN100433914C CN 100433914 C CN100433914 C CN 100433914C CN B2005100887730 A CNB2005100887730 A CN B2005100887730A CN 200510088773 A CN200510088773 A CN 200510088773A CN 100433914 C CN100433914 C CN 100433914C
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Abstract
The invention relates to a quick building method of called sonic call of WCDMA system. Wherein. It comprises: CN pages call and the page message carries the sonic service information, as the sonic service of CS region; UE responds page, and sends the sonic service information to RNC in the initial access request message; RNC receives request and makes sure it is sonic service of CS region, to decide one sonic speed parameter Rm, and based on the resource demand, to build one wireless chain and ground load between Iub interface signal and service, and the signal and service load of wireless interface; UE and CN processes QoS consultation, and CN sends the consulted Qos parameter to RNC, which comprises a sonic speed parameter Ra of this service; RNC compares parameter Ra and Rm, if Ra is higher then Rm, builds the ground load of Iu interface and sends distribution answer message to CN to continuously page answer process. The invention can reduce the time delay that building call at the called side of CS region sonic service.
Description
Technical field
The present invention relates to the call-establishing method in Wideband Code Division Multiple Access (WCDMA) (WCDMA) system, relate in particular to the callee side call-establishing method of speech business in this system.
Background technology
In the current WCDMA system cellular system of the callee side call set-up time of speech business and the second generation compare will be slowly many.One of them reason is that current called signaling procedure is a general process for miscellaneous service, should guarantee the QoS (service quality) that calls out, again save radio resources as much as possible.
As shown in Figure 1, the process of setting up of the callee side audio call in the present WCDMA system may further comprise the steps: core net (CN) is called by the wireless access network paging; The portable terminal (UE) of response paging at first sends in initial access process and inserts reason; Radio network controller (RNC) is initiated radio connection building process according to inserting reason, comprising the Radio Link of setting up Iub interface and signaling ground loading, and the synchronizing process of user's face; UE sends the message that QoS consults on this connects then, and sets up the signaling link of Iu interface; After this negotiations process was finished, CN began to assign QoS to consult the service parameter that obtains to RNC.Radio network controller is in conjunction with the last service parameter that adopts of load condition decision of sub-district, begin the professional ground loading of reprovision Radio Link and Iub interface then, ground loading between foundation and the CN, and set up process by radio bearer and set up the wireless traffic carrying, finish the process relevant with Radio Resource.
Can see that from above-mentioned call establishment in order to save the ground resource of radio channel resource and controller internal interface, RNC generally always earlier sets up signaling bear with fewer ground resource and radio channel resource; After the QoS negotiations process of calling out finishes, just set up the internal interface ground loading and the wireless traffic carrying that are used for business more then.The process of setting up that the ground loading of RNC internal interface is set up process and wireless traffic carrying has occupied the very big part of whole call delay.Particularly the wireless traffic load bearing process is that wave point occupies a longest process of time.Therefore, whole calling procedure is delayed because of these two repeating of process.
In fact initially be linked into the time and the whole calling procedure that begin to set up service bearer from UE and seem quite very brief by comparison, saving so, the Radio Resource of short time but causes the call delay increase to be lost more than gain a little.If the strategy of high speed signaling has been adopted in calling itself, even may not save by Radio Resource yet!
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method for fast establishing of broadband CDMA system callee side audio call, can shorten the time delay that the callee side audio call is set up.
In order to solve the problems of the technologies described above, basic design of the present invention is to adopt the preallocated strategy of Radio Resource.When paging is called, carry speech business information in the beep-page message, paged like this UE just can provide speech business information in access network; RNC decision-making earlier obtains a voice rate, as select this sub-district to allow the maximum voice rate that inserts at that time according to the load condition of sub-district, then at the beginning wireless connections establishment stage, when setting up the wireless signaling carrying, set up in advance and be used for professional radio bearer.Thereby simplify a series of processes of follow-up radio bearer reprovision etc.
Based on above design, the invention provides a kind of method for fast establishing of broadband CDMA system callee side audio call, may further comprise the steps:
(a) core net is carried speech business information by the called portable terminal of Radio Access Network paging in beep-page message, indicates the speech business that this time calling is a circuit commutative field;
(b) described portable terminal response paging is sent to radio network controller with described speech business information in the request message of initial access phase;
(c) radio network controller receive this request message and know be the speech business of circuit commutative field after, be its voice rate parameters R m that makes a strategic decision out, and based on the requirement of this decision-making to resource, set up this business at Iub interface signaling and professional Radio Link and ground loading, and at the signaling and the professional radio bearer of wave point;
(d) described portable terminal and core net are carried out the QoS negotiations process, and described then core net is assigned to described radio network controller with the qos parameter of consulting to obtain, and comprises this professional voice rate parameter Ra of negotiation;
(e) described radio network controller comparative parameter Ra and Rm if Ra 〉=Rm then sets up the ground loading of Iu interface, directly send to described core net and assign response message, carry out follow-up call answering process then.
Further, said method also can have following characteristics: to be described radio network controller go out according to the load condition decision-making of own professional ability and sub-district, the current place of described portable terminal the voice rate Rm of described step (c) that this inserts the maximum voice rate that allows employing.
Further, said method also can have following characteristics: in the described step (c), described radio network controller is set up the described portable terminal of message informing by radio bearer and is set up described signaling and professional radio bearer, and this message content adopts the pattern of default configuration or the pattern configurations of detail parameters.
Further, said method also can have following characteristics: in the described step (c), described radio bearer is set up and is comprised voice rate parameter, RAB number and Non-Access Stratum information in the message, voice rate parameter configuration wherein is Rm, and RAB number and Non-Access Stratum information then obtain by the negotiation with core net or obtains from historical flow process.
Further, said method also can have following characteristics: in the described step (d), described core net is assigned to and also comprises RAB number and Non-Access Stratum information in the qos parameter of described radio network controller, if it is different that radio bearer is set up the configuration of message in this RAB number and Non-Access Stratum information and the step (c), then described radio network controller sends radio bearer to described portable terminal once more and sets up message to revise above-mentioned RAB RAB ID or Non-Access Stratum NAS information.
Further, said method also can have following characteristics: in the described step (e), if Ra＜Rm, then described radio network controller is with the final speed of Ra as this speech business, the reprovision Radio Link, and rebulid the wireless traffic carrying of the ground loading of business and the wave point of this calling at Iub interface, and then carry out follow-up call answering process.
Further, said method also can have following characteristics: in the described step (e), whether described radio network controller also judges Rm less than the minimum voice rate that allows in the qos parameter, if less than, then described radio network controller is refused the service access of this calling.
The process of setting up that the ground loading of wireless network control Iub interface is set up process and wireless traffic carrying has occupied the very big part of whole call delay.Particularly the wireless traffic load bearing process is that wave point occupies a longest process of time.After adopting technology of the present invention, these processes are omitted, and this will reduce the time of called foundation to a great extent, thereby improve user's satisfaction.Further, RNC can obtain reserved radio resource according to sub-district load decision-making at that time, so even when network is busy, the present invention can be suitable in the same old way.
Description of drawings
Fig. 1 is the schematic diagram that existing callee side audio call is set up process.
Fig. 2 is the schematic diagram that embodiment of the invention callee side audio call is set up process.
Fig. 3 is the schematic diagram of the pairing signalling interactive process of Fig. 2.
Embodiment
To introduce the method for building up of embodiment of the invention callee side audio call in WCDMA system (comprising FDD and tdd mode) below.Please be simultaneously with reference to Fig. 2 and Fig. 3, the present embodiment method may further comprise the steps (narration process below supposes that UE has possessed the ability of setting up signaling bear and service bearer simultaneously):
Step 1, CN is called by the Radio Access Network paging.Carry speech business information in paging (PAGING) message;
Step 2, UE responds paging, message (the RRC ConnectionRequest among Fig. 3 at initial access phase, be RRC connection request message) in comprise the speech business information that from beep-page message, obtains, be used to show that this business is speech business and adopts the signaling process in traditional circuit commutative field (CS territory);
Step 3, RNC receive this initial insert request message and know be the speech business in CS territory after, according to current load condition of this honeycomb and the professional ability of RNC, the voice rate Rm that makes a strategic decision out as this access with the maximum voice rate that allows to adopt;
The network free time, what obtain will be the maximum voice rate that this RNC can support, to allocate enough radio channel resources in advance at wave point; When network is busy, what obtain will be a value less than this maximum voice rate,, be assumed to 12.2kbps here.Certainly, for the decision-making technique of voice rate, fully can be in different ways in different embodiment.
Step 4, RNC is used for signaling and the Radio Link of business and the ground loading of transmission channel in Iub interface foundation, and finishes synchronizing process according to the requirement of Rm to resource;
Step 5, RNC utilize the loading establishing process of wave point set up simultaneously and this UE between wireless signaling carrying and wireless traffic carry;
Please refer to Fig. 3, in this process, RNC sends radio bearer and sets up message (Radio Bear Setup) to UE, message content can adopt pattern (the Complete Specification Mode) configuration of the pattern (Default Configuration Mode) or the detail parameters of default configuration, need to increase the service bearer parameter information in this message, wherein voice rate should be configured to Rm, RAB number (RAB ID) and Non-Access Stratum information (NAS) can be in advance and core net consult to obtain or from historical flow process, obtain, other wireless parameter is with reference to the default configuration of manufacturer.
After UE receives this message, set up desired signaling of network and speech business carrying simultaneously, and on the signaling bear of setting up, finish message (Radio Bear SetupComplete) to the foundation of RNC transmission radio bearer.
Step 6, this UE subsequently and set up Iu interface signaling link between the CN and carries out the QoS negotiations process identical with normal call, also has other optional process, as authentication, encryption etc.;
Relevant with the QoS negotiations process has service request (CM SERVICE REQUEST), call setup (SETUP) and calls out affirmation message such as (CALL CONFIRM), as shown in Figure 3.
Step 7, CN assigns RAB and UE and CN to consult to obtain qos parameter by RAB assignment request message (RAB Assignment Request) to RNC, and the rate parameter Ra comprising this speech business is assumed to 12.2kbps;
Step 8, RNC judges whether Ra 〉=Rm and Rm greater than the minimum voice rate in the qos parameter, if RNC is with the final speed of Rm as this speech business, and the ground loading of Iu interface between foundation and CN, send RAB to CN and assign response message (RAB Assignment Response);
Ra is not met greater than maximum rate among the Rm explanation QoS, is tied in cell load, can adopt the speed of hanging down any to continue to call out.If minimum-rate is also greater than Rm among the QoS, then need refusal to insert.
Under special circumstances, RAB ID in the RAB assignment messages or NAS information may be different with configuration in the step 5, then need to resend to UE, start the process of setting up of wireless traffic carrying once more, to revise above-mentioned RAB ID or NAS information by Radio Bear Setup message.
Step 9 is carried out follow-up call answering process between UE and CN.
If in above-mentioned steps eight, the RNC judged result is that Ra is less than Rm, then the ground loading of RNC except between foundation and CN, also will be with the final speed of Ra as this speech business, the Radio Link of reprovision Iub interface, rebulid the wireless traffic carrying of professional ground loading and wave point, make it to meet the requirement of voice rate Ra, and then execution in step nine.
In the calling procedure of above-mentioned callee side speech business and existing process compare, difference have following some:
1) CN has attached speech business information when paging is called, and indicating this calling is the speech business in CS territory, and this makes UE to pass to RNC to this information in initial access message, and this is the basis whether the RNC decision adopts the inventive method.
2) UE sets up wireless traffic carrying, reserved resource simultaneously when setting up wireless connections.And when making a call, in initial access message, speech business information is passed to RNC.
3) RNC needs in advance according to the load condition of sub-district, UE place with make a strategic decision out the voice rate Rm (also can or according to other strategic decision-making) of this speech business of the maximum voice rate that allows to insert, and sets up Iub interface signaling and professional Radio Link and the ground loading of transmission channel.
4) present embodiment connects the process of setting up and wireless traffic loading establishing process to RR and is merged into a process and carries out in advance in step 5.The Rm that the voice rate of wireless traffic carrying adopts the network decision-making to obtain.And, because the speed height of the signaling bear on FACH, so even adopt the detailed configuration pattern, the message transmission also can comparatively fast be finished.If adopt the default configuration pattern, the time will be shorter.
5) when adopting Rm speed, compare with former flow process and to have omitted that Iub interface is wireless link reconfigured, ground loading is set up and the service bearer of wave point is set up process.Thereby shortened the time delay of callee side call setup greatly.
This embodiment all was suitable in each stage of network operation.Such as in the busy stage of network operation, when UE begins to insert, RNC according to cell load decision-making to obtain allowing the voice rate Rm that inserts may be 10.2kbps.Be less than or equal to 10.2kbps if the negotiation result of UE and CN is 12.2kbps and minimum-rate, whole flow process is finished equally, and consistent with the result of normal calling procedure!
Claims (7)
1, a kind of method for fast establishing of broadband CDMA system callee side audio call may further comprise the steps:
(a) core net is carried speech business information by the called portable terminal of Radio Access Network paging in beep-page message, indicates the speech business that this time calling is a circuit commutative field;
(b) described portable terminal response paging is sent to radio network controller with described speech business information in the request message of initial access phase;
(c) radio network controller receive this request message and know be the speech business of circuit commutative field after, be its voice rate parameters R m that makes a strategic decision out, and based on the requirement of this decision-making to resource, set up this business at Iub interface signaling and professional Radio Link and ground loading, and at the signaling and the professional radio bearer of wave point;
(d) described portable terminal and core net are carried out the QoS negotiations process, and described then core net is assigned to described radio network controller with the qos parameter of consulting to obtain, and comprises this professional voice rate parameter Ra of negotiation;
(e) described radio network controller comparative parameter Ra and Rm if Ra 〉=Rm then sets up the ground loading of Iu interface, directly send to described core net and assign response message, carry out follow-up call answering process then.
2, the method for claim 1, it is characterized in that to be described radio network controller go out according to the load condition decision-making of own professional ability and sub-district, the current place of described portable terminal the voice rate Rm of described step (c) that this inserts the maximum voice rate that allows employing.
3, the described method of claim 1, it is characterized in that, in the described step (c), described radio network controller is set up the described portable terminal of message informing by radio bearer and is set up described signaling and professional radio bearer, and this message content adopts the pattern of default configuration or the pattern configurations of detail parameters.
4, the described method of claim 3, it is characterized in that, in the described step (c), described radio bearer is set up and is comprised voice rate parameter, RAB number and Non-Access Stratum information in the message, voice rate parameter configuration wherein is Rm, and RAB number and Non-Access Stratum information then obtain by the negotiation with core net or obtains from historical flow process.
5, the described method of claim 4, it is characterized in that, in the described step (d), described core net is assigned to and also comprises RAB number and Non-Access Stratum information in the qos parameter of described radio network controller, if it is different that radio bearer is set up the configuration of message in this RAB number and Non-Access Stratum information and the step (c), then described radio network controller sends radio bearer to described portable terminal once more and sets up message to revise above-mentioned RAB RAB ID or Non-Access Stratum NAS information.
6, the method for claim 1, it is characterized in that, in the described step (e), if Ra＜Rm, then described radio network controller is with the final speed of Ra as this speech business, the reprovision Radio Link, and rebulid the wireless traffic carrying of the ground loading of business and the wave point of this calling at Iub interface, and then carry out follow-up call answering process.
7, the described method of claim 1, it is characterized in that in the described step (e), described radio network controller judges that also whether Rm is less than the minimum voice rate that allows in the qos parameter, if less than, then described radio network controller is refused the service access of this calling.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100887730A CN100433914C (en) | 2005-08-01 | 2005-08-01 | Method for rapid building-up of called-side voice calling in broad band CDMA system |
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| CNB2005100887730A CN100433914C (en) | 2005-08-01 | 2005-08-01 | Method for rapid building-up of called-side voice calling in broad band CDMA system |
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| CN100433914C true CN100433914C (en) | 2008-11-12 |
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| CN102149156B (en) * | 2007-12-29 | 2014-12-17 | 华为技术有限公司 | Method, system and relevant method and device for returning to CS domain to establish voice call |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1380762A (en) * | 2001-04-07 | 2002-11-20 | 华为技术有限公司 | Calling permission control method in multiservice code division multiple address mobile communication system |
| CN1446437A (en) * | 2000-08-11 | 2003-10-01 | 日本电气株式会社 | Communication system, method thereof, and switching center thereof and base station control station thereof |
| WO2004102848A2 (en) * | 2003-05-14 | 2004-11-25 | Sk Telecom Co., Ltd. | System and method for setting handover based on quality of service in wcdma system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1446437A (en) * | 2000-08-11 | 2003-10-01 | 日本电气株式会社 | Communication system, method thereof, and switching center thereof and base station control station thereof |
| CN1380762A (en) * | 2001-04-07 | 2002-11-20 | 华为技术有限公司 | Calling permission control method in multiservice code division multiple address mobile communication system |
| WO2004102848A2 (en) * | 2003-05-14 | 2004-11-25 | Sk Telecom Co., Ltd. | System and method for setting handover based on quality of service in wcdma system |
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