CN100373837C - Transmission form combined set configuration method used for code division multiple access communication system - Google Patents
Transmission form combined set configuration method used for code division multiple access communication system Download PDFInfo
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- CN100373837C CN100373837C CNB031308961A CN03130896A CN100373837C CN 100373837 C CN100373837 C CN 100373837C CN B031308961 A CNB031308961 A CN B031308961A CN 03130896 A CN03130896 A CN 03130896A CN 100373837 C CN100373837 C CN 100373837C
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Abstract
The present invention relates to a configuration method for transmission format combination sets in eatablishment processes of communication services, particularly to a configuration method for the transmission format combination sets for a code division multiple access communication system, which causes the requirements of UE users for establishing the communication services to be well satisfied. The present invention comprises the following steps that the ability parameter of user equipment is reported to a radio network controller; the radio network controller judges whether the number of default transmission format combination sets exceeds the support number of transmission format combination sets in the ability parameter of the user equipment; if false, then the default transmission format combination sets are configured to the user equipment by the radio network controller, else, the radio network controller can ensure a basic transmission format of data transmission and select other transmission formats from residual transmission formats except for the basic transmission format to be configured to the user equipment for being used as new transmission format combination sets.
Description
Technical field
The present invention relates to a kind of communication service and set up transmission format combination configuring method in the process, be particularly related at code division multiple access (Code Division Multiple Access, abbreviation " CDMA ") in the communication system, the transmission format combination configuring method in the process is set up in communication service.
Background technology
In the CMDA communication system, subscriber equipment (User Equipment, be called for short " UE ") can communicate via a wireless access network (Radio Access Network is called for short " RAN ") and one or more core net (Core Network is called for short " CN ").Wherein, UE can be a mobile phone, it also can be the notebook computer that has portable terminal, or be installed in mobile communication equipment on the vehicle etc., these equipment can carry out voice and/or data communication service with wireless access network, for example: make a phone call, fax, online browsing, and send and receive e-mail or the like.
Wherein, RAN covers the geographic area be divided into cell area, and each cell area provides service by a base station, promptly provides wireless coverage in the one's respective area by this base station.Communicate by letter with UE in the sub-district by air interface in the base station.
In RAN, several base stations are connected on the radio network controller (Radio NetworkController is called for short " RNC ").RNC then is connected on one or more CN.
In above-mentioned communication system, when UE need communicate with CN, send wireless resource control connection request message to RNC; After RNC receives this request message, respond the Radio Resource control connection to UE and set up message, this message requires UE that the UE ability parameter is uploaded to RNC; After UE receives this message, respond utran radio resource control connecting messages in umts user, comprise the UE ability parameter in this message to RNC; In addition, UE can send transparent UE initial message to CN; CN receives after this transparent message, send the RAB assignment messages to RNC, require RNC according to service quality (Quality of Service in this message, abbreviation " QoS ") service parameter of configuration UE, comprise various parameters in this service parameter such as transport format combination set (Transport Format Combination Set is called for short " TFCS ") and so on; After this, RNC sets up message with described parameter by radio bearer and sends UE to according to the requirement of QoS; UE is configured according to described parameter, sends radio bearer foundation to RNC after configuration is finished and finishes message, thereby finish professional establishment of connection.
As noted earlier, in cdma communication system, many kinds of communication services such as the phone of comprising, fax, online browsing are arranged and send and receive e-mail, UE usually requires to establish the communication service that multiple business combines.But the professional number that UE require to set up is many more, and is just high more to the requirement of itself UE ability, if the UE ability does not meet the demands, just can't set up communication service.For example, the support number of the TFCS in the UE ability parameter can not be failed otherwise can cause this communication service to set up less than setting up the needed TFCS number of communication service.
Yet because the difference of manufacturer and configuration itself, the ability of UE on the market has nothing in common with each other.Therefore the support number of the TFCS in the UE ability parameter often appears less than the situation of setting up the needed TFCS number of communication service.
Industry generally adopts two kinds of processing modes at the problems referred to above at present.
First kind of processing mode is to judge directly by RNC whether the needed TFCS number of communication service has surpassed the support number of the TFCS in the UE ability parameter, if surpassed, then refused the connection request of UE by RNC.
Second kind of processing mode, be that RNC is when judging the needed TFCS of communication service and outnumbering the support number of the TFCS in the UE ability parameter, the maximum data transfer rate of the communication service of setting up by lowering the requirement, in a disguised form reduce needed TFCS number, make it to support number, thereby guarantee the successful foundation of combinations of services less than the TFCS of UE.
In actual applications, above-mentioned two kinds of schemes all can't satisfy UE user's requirement.
For first kind of processing method, judge that simply the just without exception refusal that do not satisfy condition does like this that directly to cause communication service to be created as power on the low side, has influenced the performance index of RNC greatly;
For second kind of processing method, though can successfully set up communication service, reduced service rate, therefore greatly reduce systematic function, this also is that UE user is unwilling to see.
As seen, above-mentioned two kinds of processing modes are running into when setting up the needed TFCS of communication service and outnumbering the support number of the TFCS in the UE ability parameter, all adopt comparatively negatively way, refuse the business of UE without hesitation and set up request, rob Peter to pay Paul, to reduce maximum message transmission rate cost, reduce needed TFCS number, influenced whole quality of service.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of transmission format combination configuring method that is used for code division multiple address communication system, and this method can better meet the requirement that UE user sets up communication service.
In order to solve the problems of the technologies described above, the bright transmission format combination configuring method that is used for code division multiple address communication system that provides of we comprises following steps:
Party A-subscriber's equipment is to radio network controller report of user capacity of equipment parameter;
The B radio network controller judges whether the number that comprises transformat combination in the default transport format combination set surpasses the support number of the transport format combination set in the described UE capability parameter,
If be no more than, then radio network controller disposes described default transport format combination set to described subscriber equipment, and configuration finishes;
If surpass, execution in step C then;
The C radio network controller can guarantee the basic transformat of transfer of data, and all the other transformats that from remaining transformat except described basic transformat, choose, this subscriber equipment is given in configuration, as new transport format combination set, wherein, the number that comprises transformat combination in the transport format combination set of the number sum of the number of described basic transformat and selected all the other transformats is no more than the support number of the transport format combination set of described subscriber equipment, thereby configuration finishes.
Described step C comprises following steps:
C1 determines the configurable transformat number upper limit according to the support number of the transport format combination set of described subscriber equipment;
C2 determines to guarantee the basic transformat of transfer of data;
C3 is the described configurable transformat number upper limit, and poor with the number of described basic transformat is as the number upper limit of selectable all the other transformats;
C4 selects all the other transformats according to the number upper limit of described selectable all the other transformats;
C5 is with described basic transformat, and all the other transformats, and subscriber equipment is given in configuration, and as new transport format combination set, thereby configuration finishes.
Described basic transformat is the transformat of empty bag, the transformat that guarantees the low volume data instantaneous transmission, the transformat of peak transfer rate.
Among the described step C4, can in remaining transformat, at random select all the other transformats according to the number upper limit of described selectable all the other transformats.Perhaps, in described remaining transformat, select transformat corresponding to the minimum data number of unit, after this select a kind of transformat every a step-length, as described all the other transformats, wherein said step-length=described remaining transformat number/(the configurable transformat number upper limit-basic transformat number) is that decimal is then to enterprising 1 as the result.
By relatively finding, technical scheme difference with the prior art of the present invention is, when by RNC being UE configuration TFCS number, at first judge and set up the support the number whether number that comprises transformat combination among the needed TFCS of communication service surpasses the TFCS of this UE, and under situation about surpassing, support number according to the TFCS of UE, TFCS is carried out new configuration, thereby can either guarantee the transmission of business datum, the number that comprises transformat combination among the TFCS that guarantees again newly to dispose is no more than the support number of the TFCS of UE.
Difference on this technical scheme has brought comparatively significantly beneficial effect, makes communication service be created as power and improves greatly, has optimized the performance index of RNC thus; And, therefore also guaranteed systematic function well owing to be not to be cost to sacrifice maximum data transfer rate.
Description of drawings
Fig. 1 is a schematic diagram, has described the process that the collocation method that uses TFCS of the present invention is set up communication service.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, disclose the principle and the application thereof of the collocation method of the TFCS that is invented better, we will do detailed description and explanation to new TFCS collocation method in conjunction with setting up the process that communication service connects in the cdma communication system.Wherein, for set up communication service connect in each step except that TFCS is configured to only do simple generality and describe no longer expansion in this specification.
Fig. 1 has described in cdma communication system, adopts the collocation method of TFCS of the present invention to set up the process of communication service.As shown in Figure 1, the process of setting up communication service comprises following exemplary steps:
At first send wireless resource control connection request message to RNC by UE.
After RNC receives this wireless resource control connection request message, respond the Radio Resource control connection to UE and set up message, and in this message, require UE that the UE ability parameter is uploaded to RNC.
The Radio Resource control connection of UE response RNC is set up message, reports utran radio resource control connecting messages in umts user to RNC, comprises the UE ability parameter that RNC requires it to upload in this message.As mentioned above, the support number that comprises the TFCS of UE in this UE ability parameter.
In addition, UE also can send transparent UE initial message to CN.After CN receives this transparent message, just send the RAB assignment messages to RNC, this message requires the support number of the TFCS of this UE that RNC learnt according to service quality (QoS) and RNC, and the service parameter of configuration UE is comprising configuration TFCS.
After RNC receives this RAB assignment messages, configure and to guarantee to transmit data, can guarantee the TFCS that professional success is set up again, and this TFCS is set up message by radio bearer send UE to.This process is the collocation method of the new TFCS of the present invention's proposition.
Further specify the principle and the process of above-mentioned TFCS configuration below.
Known in present cdma communication system, set in advance default TFCS (be under the normal condition, set up the needed corresponding TFCS of various communication services) number in the RNC.When as mentioned above, RNC receives the RAB assignment messages from CN, after requiring it to be UE configuration TFCS, RNC judges at first whether the number that comprises transformat combination within it among that default TFCS that portion sets in advance surpasses the support number of the TFCS of UE.
If judged result is to be no more than, show that promptly the UE ability can satisfy the number that comprises transformat combination among the under normal circumstances needed TFCS of communication service, then RNC should default TFCS sets up message by radio bearer and sends UE to, and the layoutprocedure of TFCS finishes at this point.
On the other hand, if judged result is the support number that comprises the TFCS that outnumbers UE of transformat combination among the default TFCS, show that promptly the UE ability can not satisfy the number that comprises transformat combination among the under normal circumstances required TFCS of communication service, then RNC need give this UE configuration new TFCS, sets up successfully so that guarantee communication service.Specifically, at first RNC determines which transformat can guarantee transfer of data (hereinafter these transformats being called " basic transformat ") by minimally, and basic transformat in the remaining transformat except these, select all the other and can dispose transformat (hereinafter being called " all the other transformats ") to UE, and with basic transformat and all the other transformats as new TFCS, set up message by radio bearer and send UE to, the layoutprocedure of new TFCS finishes at this point.It must be noted that, need to guarantee a condition in this step: the number that comprises transformat combination among the TFCS of the number of basic transformat and the number sum of all the other transformats is no more than the support number of the TFCS of UE.
In order to make this process more clear, illustrate RNC below and how to determine basic transformat and select all the other transformats.
With 3.4K signaling+adaptive multi-rate (Adaptive Multi-Rate is called for short " AMR ") syntype+256K type of interaction packet switching service is example, and wherein, signalling path uses 2 kinds of transformats, and the AMR syntype is used 10 kinds of transformats.In addition, the support number of supposing the TFCS in the UE ability parameter is 128.
For the packet switching of 256K type of interaction, the transformat of known protocol configuration (i.e. " data cell number
*Data unit size ") be 0*336,1*336,2*336,4*336,8*336,12*336 and 18*336,7 kinds altogether.Computational methods according to the number that comprises transformat combination among the TFCS are calculated the number that comprises transformat combination among the default TFCS:
The number that comprises transformat combination among the default TFCS
The transformat number of the transformat number * protocol configuration that the transformat number * ARM syntype that=signalling path uses is used
＝2*10*7
＝140
Wherein, " 2 " expression signalling path uses 2 kinds of transformats, and " 10 " expression AMR syntype is used 10 kinds of transformats, and the transformat of " 7 " expression known protocol configuration is 7 kinds.
Obviously comprise the support number of the TFCS that outnumbers UE of transformat combination among the default TFCS, according to the collocation method of TFCS of the present invention, RNC need reconfigure the TFCS of UE.Detailed process is as follows:
At first, determine the number upper limit of the transformat that in the support number range of the TFCS of UE ability parameter, can dispose.
When the transformat number is respectively 7,6,5, the transformat number of the transformat number * protocol configuration that the transformat number * ARM syntype of using according to the number that comprises transformat combination among the TFCS=signalling path is used can calculate the number that comprises transformat combination among the corresponding TFCS and be respectively 140,120,100.Because the TFCS of hypothesis UE supports that number is 128 in the present embodiment, therefore, in the present embodiment configurable transformat on be limited to 6.
Determine the number upper limit of the transformat that can dispose, determined basic transformat again.Known 0*336,1*336,2*336,4*336,8*336,12*336 and 18*336 this in 7 in the transformat, 0*336 represents empty bag, 1*336 guarantees that low volume data can instantaneous transmission (as response message), 18*336 represents the transformat of 256K maximum rate correspondence, it can guarantee that peak transfer rate do not suffer a loss, this three kinds of transformats have been arranged, just can guarantee the transfer of data requirement of 256K type of interaction packet switching service substantially, so RNC selects these three kinds of transformats as basic transformat.
Subsequently, determine in the residue transformat except basic transformat (that is: 2*336,4*336, these four transformats of 8*336,12*336) the number upper limit of selectable all the other transformats.In the present embodiment,
The number upper limit of all the other transformats
=can be the transformat number upper limit-basic transformat number of UE configuration
=6 kinds-3 kinds
=3 kinds
So in remaining 4 kinds of transformats that RNC mentions hereinbefore, can select maximum 3 kinds of transformats as all the other transformats.
In the present embodiment, RNC selects 2*336,8*336, three transformats of 12*336 as all the other transformats in mode arbitrarily.
Last RNC with basic transformat and all the other transformats as the new TFCS that will dispose to UE.
What deserves to be mentioned is, when selecting " all the other transformats ", many kinds of modes are arranged, in the above among embodiment, be under the number of support purpose condition of the number that in the TFCS of the number sum of the number that satisfies basic transformat and selected all the other transformats, the comprises transformat combination TFCS that is no more than UE, at random select.Introduce another selection mode below.
At first, in remaining 2*336,4*336, these 4 kinds of transformats of 8*336,12*336, select first kind of transformat 2*336, after this select a transformat every a step-length.Wherein, step-length=remaining transformat number/(the configurable transformat number upper limit-basic transformat number) is that decimal is then to enterprising 1 as the result.In the present embodiment,
Step-length
=remaining transformat number/(the configurable book format number upper limit-basic transformat number that changes)
＝4/(6-3)
＝1.33
Be 2 after enterprising 1, then the transformat of second selection is 8*336.So all the other transformats in this example are 2*336 and these 2 transformats of 8*336.Thus,
The number that comprises transformat combination among the new TFCS
The transformat number of the transformat number * protocol configuration that the transformat number * ARM syntype that=signalling path uses is used
＝2*10*5
＝100
＜128, thus satisfy the UE Capability Requirement.
This shows, during for the communication service that exists such as type of interaction, if comprise the UE ability that outnumbers (TFCS that is UE supports number) of transformat combination among the needed TFCS, just represent the transformat (for example 0*336) of empty bag in the transformat with the communication service of type of interaction, the transformat of low volume data instantaneous transmission (for example 1*336), and the transformat (for example 18*336) of maximum rate transmission is defined as basic transformat, again according to the support number of the TFCS of UE, select all the other transformats, guarantee that the number that comprises transformat combination among the new TFCS is no more than the UE ability.
At RNC is after UE has reconfigured new TFCS, this TFCS to be set up message by radio bearer be handed down to UE according to above-mentioned method, and UE is configured according to this TFCS, sends radio bearer to RNC after configuration is finished and sets up the message of finishing.Thereby finish the foundation of communication service.
What need in addition to replenish is, be to be example with the type of interaction packet switching service in this manual, but the present invention is equally applicable to for example communication service of other types such as background type business.
Though by reference some preferred embodiment of the present invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that, can do various changes to it in the form and details, and the spirit and scope of the present invention that do not depart from appended claims and limited.
Claims (5)
1. a transmission format combination configuring method that is used for code division multiple address communication system is characterized in that, comprises following steps:
Party A-subscriber's equipment is to radio network controller report of user capacity of equipment parameter;
The B radio network controller judges whether the number that comprises transformat combination in the default transport format combination set surpasses the support number of the transport format combination set in the described UE capability parameter,
If be no more than, then radio network controller disposes described default transport format combination set to described subscriber equipment, and configuration finishes;
If surpass, execution in step C then;
The C radio network controller can guarantee the basic transformat of transfer of data, and all the other transformats that from remaining transformat except described basic transformat, choose, this subscriber equipment is given in configuration, as new transport format combination set, wherein, the number that comprises transformat combination in the transport format combination set of the number sum of the number of described basic transformat and selected all the other transformats is no more than the support number of the transport format combination set of described subscriber equipment, thereby configuration finishes.
2. the transmission format combination configuring method that is used for code division multiple address communication system according to claim 1 is characterized in that, described step C comprises following steps:
C1 determines the configurable transformat number upper limit according to the support number of the transport format combination set of described subscriber equipment;
C2 determines to guarantee the basic transformat of transfer of data;
C3 is the described configurable transformat number upper limit, and poor with the number of described basic transformat is as the number upper limit of selectable all the other transformats;
C4 selects all the other transformats according to the number upper limit of described selectable all the other transformats in remaining transformat;
C5 is with described basic transformat, and all the other transformats, and subscriber equipment is given in configuration, and as new transport format combination set, thereby configuration finishes.
3. the transmission format combination configuring method that is used for code division multiple address communication system according to claim 1 and 2, it is characterized in that described basic transformat is the transformat of empty bag, the transformat that guarantees the low volume data instantaneous transmission, the transformat of peak transfer rate.
4. the transmission format combination configuring method that is used for code division multiple address communication system according to claim 2, it is characterized in that, in described step C4,, in remaining transformat, select all the other transformats arbitrarily according to the number upper limit of described selectable all the other transformats.
5. the transmission format combination configuring method that is used for code division multiple address communication system according to claim 2, it is characterized in that, in described step C4, the number upper limit according to described selectable all the other transformats, in described remaining transformat, select transformat corresponding to the minimum data number of unit, after this select a kind of transformat every a step-length, as described all the other transformats, wherein said step-length=described remaining transformat number/(the configurable transformat number upper limit-basic transformat number) is that decimal is then to enterprising 1 as the result.
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| CN1829130B (en) * | 2005-03-03 | 2011-09-21 | 中兴通讯股份有限公司 | Method for collocating transformat combination parameter of TDD-CDMA system |
| JP4651441B2 (en) * | 2005-04-11 | 2011-03-16 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile communication system and mobile device |
| CN101123479B (en) * | 2006-08-11 | 2011-05-11 | 中兴通讯股份有限公司 | A minimal frequency spreading factor reconfiguration method for special uplink channel |
| CN101359925B (en) * | 2007-08-02 | 2012-09-05 | 中兴通讯股份有限公司 | Transmission format configuring method based on ability of user equipment |
| CN103516467B (en) * | 2012-06-19 | 2017-12-29 | 邦讯技术股份有限公司 | The transfer format selecting method and system of a kind of wireless transmission channel |
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| WO2001063855A1 (en) * | 2000-02-25 | 2001-08-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Packet scheduling in umts using several calculated transfer rates |
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| CN1402917A (en) * | 1999-12-03 | 2003-03-12 | 艾利森电话股份有限公司 | Method and system for bit-rate adaptation to improve coverage |
| WO2003041317A1 (en) * | 2001-10-19 | 2003-05-15 | Interdigital Technology Corporation | System and method for fast dynamic link adaptation |
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|---|---|---|---|---|
| CN1325601A (en) * | 1998-11-06 | 2001-12-05 | 诺基亚网络有限公司 | Method for controlling bearer properties |
| CN1402917A (en) * | 1999-12-03 | 2003-03-12 | 艾利森电话股份有限公司 | Method and system for bit-rate adaptation to improve coverage |
| WO2001063855A1 (en) * | 2000-02-25 | 2001-08-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Packet scheduling in umts using several calculated transfer rates |
| CN1356833A (en) * | 2000-11-14 | 2002-07-03 | 皇家菲利浦电子有限公司 | Wireless network with selection to combinaion of transmission modes |
| WO2003041317A1 (en) * | 2001-10-19 | 2003-05-15 | Interdigital Technology Corporation | System and method for fast dynamic link adaptation |
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