CN1326647A

CN1326647A - Mobile station, equipment for connection to mobile station, switching systems in mobile communications systems and mobile communications systems

Info

Publication number: CN1326647A
Application number: CN 99813325
Authority: CN
Inventors: B·A·阿斯特伦; P·H·埃德伦德
Original assignee: Telefonaktiebolaget LM Ericsson AB
Current assignee: Telefonaktiebolaget LM Ericsson AB
Priority date: 1998-11-16
Filing date: 1999-10-19
Publication date: 2001-12-12
Also published as: AU1427800A; SE513098C2; SE9803922L; NO20012369L; CA2350461A1; FI20011020A; NO20012369D0; SE9803922D0; WO2000030377A1

Abstract

The present invention relates to a mobile station (MS), a method and a node (MS, HLR, MSC, VLR) in a mobile communications system (PLMN). In a system of this nature, it is possible that several transactions (TCH, USSD1, USSD2) are in progress at one and the same time, i.e. are ongoing in parallel with a mobile station (MS). One problem is that a user of the mobile station (MS) will become mentally stressed by receiving information from several sources over different transactions at one and the same time. Another problem is that a USSD transaction degrades the quality of a typical speech connection (TCH) which is ongoing in parallel. One solution is to register beforehand an admission which states whether a transaction can be set up or not. When a request for a new transaction (TCH, USSD1, USSD2) is received, the user admission is checked and the requested transaction inhibited in accordance with said admission.

Description

Mobile radio station in the mobile communication system is connected to the equipment of mobile radio station, switching system, and mobile communication system

Invention field

The present invention relates to one with mobile communication system that an external node links to each other in a mobile radio station, be connected to the equipment of a mobile radio station, switching system also relates to a method, and it specifically is the parallel a plurality of affairs that take place for a mobile radio station that this method relates to a mobile communication system.

Background technology is described

Existingly in this area manyly be used to make mobile communication system for a mobile radio station, to set up a plurality of parallel affairs, the solution of affairs promptly takes place simultaneously.Affairs can refer to that a circuit switched data connects, and also can refer to the user data transmission by the medium of an inverter circuit switched data transmission service.Except the circuit switched data that typically is used for the voice connection connected, gsm system also comprised the SMS business and is called one group of business of supplementary service.This service groups comprises a USSD (unstructured supplementary service data) business.USSD is by standardization and be to transmit data in order to be used between the node of mobile radio station of a GSM network and switching system SS thereof at first.At first, only time and mobile radio station MS set up USSD affairs on one point.

United States Patent (USP) 5,752,188 have described a solution, and this scheme makes that USSD can be used to transmit data between a mobile radio station and a USSD service node outside the GSM network.Other service node can be connected to a USSD service node.These other service node allows mobile radio station to insert a plurality of application by the USSD affairs.This solution does not limit the quantity of the USSD affairs of setting up with mobile radio station.

Summary of the invention

The present invention addresses such a problem, and be about to affairs and mobile radio station and set up, and no matter whether the user of this mobile radio station wishes to set up this affairs.The undesirable information that sends by this affairs can make the user that pressure on the health is arranged.He can be subjected to the pressure by the information of the resulting not homology of different concurrent services significantly.

A problem is that the quality that is sent to another affairs of mobile radio station with these affairs simultaneously can be damaged or reduce to affairs.Can take place the transfer resource of affairs is stolen to another affairs, for example parallel USSD affairs can be damaged the quality that voice connect.

Therefore, an object of the present invention is to make that the user of mobile radio station stops affairs in advance, particularly stop with several affairs of mobile radio station and carry out simultaneously.Another purpose is to guarantee that the quality that a circuit switched data connects can not suffer damage because other affairs of running counter to user's hope are being carried out and reduce.

Foregoing problems is to solve by such method that is suitable for a communication system, and the user of one of them mobile radio station expresses him in advance and whether prepares to allow to set up requested affairs.When receiving a connection request with the affairs of mobile radio station, just check that user admission perhaps can and be admitted according to this to handle the connection of being asked.

Foregoing problems also can solve by such mobile radio station, promptly this mobile radio station comprises the device that is used for registering the user admission that whether allows to set up affairs, be used for checking whether requested affairs meet the device of user admission, and when above-mentioned requested affairs do not obtain permitting, remove to stop the device of these affairs.

Foregoing problems also can by a switching system with one to solving being connected of a service node, be connected to mobile radio station thereby this system is connected at least one base station system.This switching system also comprises being used for receiving with mobile radio station from service node sets up the device of the request of affairs, and the device that is used for realizing this request.This switching system comprise be used for that the registered user admits perhaps can be in order to setting up the device of affairs, and be used for checking about device to the permission of a new transactions requests, in view of the above, do not stop this affairs if this transactions requests meets user admission.

These solutions comprise a plurality of different embodiments.The permission that the user provides can be for example to have only when there not being voice to connect, and when promptly the ongoing circuit switched data of neither one connects, just allows to set up USSD affairs.Alternately, permission that provides will limit the affairs of having only quantification and can walk abreast and carry out.Another replacement scheme be one corresponding to the affairs of specify using, only be under an embargo or be performed as one of affairs that are allowed to based on the application of its correspondence.

The user that an advantage provided by the invention is a mobile radio station can limit the quantity of the parallel affairs that mobile radio station can bear in advance.In this, user's restriction sends the quantity of the information source of information simultaneously to mobile radio station, thereby avoids nervous.The user also can, or alternately, stop some application request to go to set up affairs, or alternately only allow to go to set up affairs according to some application request.In view of the above, the user can stop undesirable transmission of Information in advance.

Another advantage provided by the invention is can use circuit switched data to connect and can not influence quality with other affairs of mobile radio station.For example, the present invention can stop the parallel USSD affairs of the transmission capacity that may take this circuit switched data connection.Measurement result in this shows that send in the GSM network one 15-20% in the speech frame of specifying mobile radio station is by the parallel USSD affairs degradation that carries out.For obtaining can be by the voice quality that is subjected to, should be with the percentage limit of the speech frame of being demoted or damaging at 1-2%.

With reference now to example embodiment of the present invention,, comes more detailed description the present invention simultaneously with reference to the accompanying drawings.

The accompanying drawing summary

Fig. 1 is the figure that comprises a cell mobile communication systems of node.

Fig. 2 is the flow chart of expression the inventive method.

Fig. 3 is the schematic block diagram that expression is included in the node in the switching system (incomplete).

Fig. 4 is the schematic block diagram that is illustrated in the active node when setting up USSD affairs.

Fig. 5 is the principle of expression permission registration data structure.

The description of optimum implementation

Below with reference to a GSM network a plurality of optimum implementation of the present invention has been described for example.Fig. 1 is the figure of known mobile communication system PLMN GSM.GSM network PLMN comprises a mobile radio station MS, a plurality of wireless base station transceiver station BTS1-BTS2, two base station controller BSC 1-BSC2, a mobile services switching centre MSC, a Gateway Mobile Switching Center GMSC, a VLR Visitor Location Register VLR and an attaching position register HLR.Each wireless base station transceiver station BTS1-BTS2 is connected to a base station controller BSC 1-BSC2, base station controller is connected to mobile services switching centre MSC successively.Mobile services switching centre MSC is connected to VLR Visitor Location Register VLR and Gateway Mobile Switching Center GMSC.Gateway Mobile Switching Center GMSC is connected to attaching position register HLR.

Mobile radio station MS is wirelessly connected to wireless base station BTS1, and this wireless base station is a sub-district C1 service, and mobile radio station MS is at this moment just in time in this sub-district.

GMSC (gateway mobile switching center) GMSC is connected to other telephone network (not shown in figure 1) and a USSD service node USSDgw.

By GMSC (gateway mobile switching center) GMSC, can between mobile radio station MS and telephone network terminal, set up the affairs that connect TCH or SMS affairs form with voice.Between mobile radio station MS and USSD service node USSDgw, set up USSD affairs USSD1, USSD2.

Three types affairs have been defined in the gsm system.First type affairs are that the typical case is used for the legacy circuit-switched data connection TCH that voice connect.Set up one by the connection of GSM network or two-way connection TCH in this respect.

Second type affairs are SMS affairs.SMS affairs are unidirectional connections, although this connection can selectedly be given mobile radio station or be selected from mobile radio station.Realize this affairs by the SMS service node that GSM network PLMN (not shown) is outer.This connection is not one " common connection " but such connection, promptly utilizes agreement transparent transmission user data in GSM network PLMN of common processing signaling.

The affairs of the third type are the one group of business that is defined under the collective noun " supplementary service ".This group comprises a professional USSD, and its implication is the destructuring supplementary data.With the SMS transactions classes seemingly, with signaling protocol at GSM network PLMN inner transparent transmitting user data.Opposite with the SMS affairs, the USSD affairs occur with dialogic operation, for example wherein the problem that is included in these affairs are made answer.

Mobile radio station MS can walk abreast and promptly handle this three classes affairs simultaneously.The parallel solution of setting up several USSD affairs is also arranged.The ETSI of the standardization committee to how to be implemented in to set up several USSD affairs simultaneously between mobile radio station MS and the one or more USSD service node USSDgw and carries out standardization.

Fig. 1 illustrates circuit-switched transaction TCH carrying out simultaneously with mobile radio station MS and two USSD affairs USSD1 and USSD2.The external electric phone network that the not shown circuit-switched transaction of Fig. 1 is extended to.Two USSD affairs USSD1, USSD2 occurs between mobile radio station MS and USSD service node USSDgw.A plurality of application AP are connected to USSD service node USSDgw.Both can also can in being connected to oneself service node of USSD service node, realize using AP at the USSD service node.USSD and mobile radio station MS transmission information are used in above-mentioned application.The service node WAPgw of another Internet protocol also is connected to the USSD service node.Mobile radio station MS goes information on the access internet by second service node WAPgw.Second service node WAPgw guarantees to distribute and submission information in the mode of the best for mobile radio station.

The USSD affairs, USSD1, USSD2 transmits on a wireless channel that is called FACCH (Fast Associated Control Channel).Circuit switching connects TCH and transmits in the wireless connections of a Traffic Channel TCH.The FACCH channel has only when the data that find by this Channel Transmission and just is established, and sets up the back and just steal transmission capacity from Traffic Channel.Two USSD affairs USSD1, the transmission meeting of USSD2 reduces the quality of the user data that utilizes traffic channel transmission greatly.When utilizing the traffic channel transmission voice, can correct voice infringement or degradation to a certain extent by coding.When voice infringement during greater than an assign thresholds, also can't correct this mistake with encoding, to such an extent as to and the too poor receiver of voice quality can't understand said content.

The invention enables the user of mobile radio station to stop affairs USSD1, USSD2 is connected the parallel foundation of TCH with a circuit switched data, or the affairs TCH that sets up simultaneously of restriction and mobile radio station MS, USSD1, the quantity of USSD2, perhaps when setting up a circuit switched data connection TCH, discharge an ongoing affairs USSD1, USSD2.

Fig. 2 illustrates when receiving one to connect affairs USSD1, during the request of USSD2, checks the method step of user admission.

In first step S1, a plurality of parameter initializations are become a determined value.This value is that the user by mobile radio station MS determines and these parameters have constituted together in order to set up user's permission of USSD affairs, i.e. user admission.Whether first UPAF representative in these parameters admits inspection to be activated.In step S1, parameter UPAF is set indicates and admit to check and to open.

With second in these parameters, TCHACF is arranged to indicate when setting up a circuit switched data connection, whether allows to set up USSD affairs.

Whether the 3rd parameter to indicate the request for the USSD affairs of a unknown applications consistent with user admission if being set.If this parameter is presented in request, then its form should be sign " NEI " (network element identifier) and the port address thereof of USSD service node USSDgw.Port address or gateway address and NEI combine corresponding to an application-specific.

The 4th parameter MaxNo is set to be indicated and is allowed to walk abreast the maximum quantity of promptly simultaneous USSD affairs.

If the user wishes that then except these parameters, he can also comprise a black table or white table.Black table comprises the unaccepted application of its transactions requests.Another white table then comprises such application, promptly for affairs, has only it pairing when being applied in this table, and these affairs are just admitted.

According to step S2, received a request subsequently for the USSD affairs.

In step S3, do inspection to determine admitting control whether to be activated.This state of a control is provided by parameter UPAF.If admit control not to be activated, then abide by step S13, set up this affairs in the mode that is known a kind of morning.On the other hand, if admit control to open,, control is continued then by checking among the step S4 below that the affairs of being asked are the permissions that meets registration.

In step S4, check definite circuit switched data connection carrying out if do, whether can set up the USSD affairs of being asked.This indicates by parameter TCHACF.If this parameter is arranged to " ON ",, does inspection and carry out to determine whether that a circuit switched data connects then according to step S5.If one the circuit switched data connection is carried out, then according to step S14, the USSD affairs of being asked just are terminated.If no matter an ongoing circuit switched data connects, these USSD affairs can be established, promptly the answer is in the negative for asking a question among the step S4, if or do not have the circuit switching connection to carry out, promptly the answer is in the negative for asking a question among the S5, then controls according to step S6 and continue.

At step S6, make inspection to determine whether the received request for USSD affairs has stated that according to the pairing application of the affairs of this request, this application also just is read if this application is declared.If like this, then use the address of USSD service node USSDgw of the form of " NEI " (network element identifier) to add upper port and state this application, this port and NEI are together corresponding to a definite application.If this application is not declared, then make inspection to determine whether meet admittance for the request of a unknown applications at step S7.If this indicates by parameter N oNP and be not licensed according to the affairs of this request, then stop this affairs according to step S14.On the other hand,, promptly permit affairs, then make further inspection according to step S12 for a unknown applications if answer is yes for asking a question among the step S7.If on the other hand,, then turn to step S8 from step S6 if in this request, indicated this application.

At step S8, make inspection to determine whether to have found a black table.If answer is sure, promptly a black table exists, and then makes inspection to determine whether be included in this black table corresponding to the application of the USSD affairs of being asked at step S10.If for the answer of being asked a question among the step S10 also is sure, promptly because the pairing application of affairs of this request not in this black table, so the affairs that should ask are not licensed, then stops this affairs according to step S14.

On the other hand,, promptly be applied in owing to the affairs of this request are pairing in this black table,, then make further inspection according to step S12 so the affairs of this request do not get clogged if the answer is in the negative for asking a question among the step S10.

On the other hand, if the answer is in the negative for asking a question among the step S8, promptly black table does not exist, and then makes inspection to determine whether to exist a white table at step S9.If there is no showing in vain, promptly negates then to make further inspection according to step S12 to this questions answer.On the other hand, if there is a white table, then make inspection to determine whether pairing application is included in this white table according to the affairs of this request at step S11.If the answer is in the negative, i.e. the application that should ask in this white table, does not then stop this affairs according to step S14.On the other hand, if this is applied in this white table, promptly answer is yes for asking a question among the step S11, then execution in step S12.

At step S12, make inspection with the quantity of the affairs determining for mobile radio station MS, to carry out simultaneously whether less than the maximum number of the USSD affairs that allowed.Parameter MaxNo has indicated the maximum number that allows the USSD affairs of carrying out simultaneously.If answer is yes, promptly the quantity of USSD affairs is then set up these affairs according to this request in a usual manner less than maximum allowable number; See step S13.

On the other hand, if the answer is in the negative for asking a question among the step S12, promptly the quantity of the USSD affairs of well afoot is not less than maximum allowable number, then the USSD affairs that termination is asked according to step S14.

Admit one of admissible parameter UPAF that whether control be activated to substitute as being used to refer in the last example, defined a further indication " licensed USSD affairs ".Flow chart among Fig. 2 is expanded with the further step after the step S3, control: are the USSD affairs allowed to? if answer is yes, then the control of carrying out according to step S4 continues by the mode of front.If the answer is in the negative, promptly there are not the USSD affairs to be allowed to, then the USSD affairs that termination is asked according to step S14.

Several different node in can alternate selection GSM network PLMN is used for registered user's state and check this state in conjunction with a connection request.

In the mobile radio station MS of an invention, the registered user admits and admits control according to the flow chart among Fig. 2.

The same with the mobile radio station of routine, mobile radio station of the present invention comprises that the user is used for controlling the display screen and the keypad of mobile radio station.The same with the mobile radio station of routine, mobile radio station of the present invention comprises can be to ongoing affairs USSD1, USSD2, the function that the quantity of TCH is counted.

Mobile radio station MS also comprises a register, and its storage is used for indicating those parameters for the user admission of USSD affairs.Mobile radio station MS also comprises a function, and it is used for when the request that has obtained USSD affairs, according to the method control user admission of describing with reference to figure 2.

Mobile radio station MS receives in a piece of news " Register " of request to(for) USSD affairs by the FACCH channel.Mobile radio station is answered with message " Facility ".These two message all comprise the composition that contains for the data of USSD affairs.If mobile radio station MS stops this affairs, then this becomes to assign to indicate by the USSD in the message " Facility ".This knows already.In previous known message, defined a new reason that stops the USSD affairs.This new reason is " the USSD affairs are forbidden by the user ".

The user of mobile radio station MS carries out initialization to admitting parameter, promptly registers his desirable admittance form by the instruction on the display screen of this medium of mobile radio station keypad and mobile radio station MS.The known controlled function of mobile radio station MS is handled and is come from user's instruction and just register the admittance parameter in this case.According to GSM standard, a mobile radio station MS comprises a mobile device and a SIM card.Contain the register of admitting parameter and both can be embedded in the mobile device, also can be embedded in the SIM card.SIM card is that the network operator by the GSM network provides, and the network operator of GSM network just is provided with these parameters with first state in advance when storing into these parameters in the SIM card.

As allowing mobile radio station MS to handle substituting of registration and control user admission, can handle registration and control by switching system.Switching system SS and node thereof in GSM standard, have been defined.Fig. 3 shows those nodes among the important for the present invention switching system SS.Switching system SS among Fig. 3 comprises that switching center adds visiting location register MSC/VLR, GMSC (gateway mobile switching center) GMSC and attaching position register HLR.According to reference to figure 1 described mode, these nodes are connected to each other and are connected to external node.

In order to simplify following description, suppose that as shown in Figure 4 USSD service node USSDgw is directly connected to attaching position register HLR.

Fig. 4 illustrates for second the service node AS that uses AP.Arrow A 1 has indicated USSD service node USSDgw and has been linked to each other by second service node AS, and AS asks for setting up USSD affairs USSD1, the permission of USSD2 with mobile radio station MS.Mobile radio station MS is determined by the sign that it is called MSISDN.USSD service node USSDgw asks to attaching position register by send a USSD in message " TCAP-BEGIN " afterwards, comes to set up affairs with attaching position register HLR.This message sends according to agreement MAP (MAP), and is indicated by arrow A 2 in Fig. 4.When angelica location register HLR received this USSD request, this attaching position register was just translated into the sign that is called IMSI that is used for GSM network PLMN accordingly with the sign MSISDN of mobile radio station MS.Attaching position register HLR also in time checks provides the switching center of service to add visiting location register MSC/VLR to mobile radio station MS this moment, and adds visiting location register MSC/VLR with this switching center and set up USSD affairs.Shown in the arrow A among Fig. 43, attaching position register HLR asks to add visiting location register MSC/VLR to switching center by send a USSD in message " TCAP-BEGIN ", sets up this USSD affairs.

The method of setting up USSD affairs described above is known for this area, and is more clearly described in standard GSM 09.02 and GSM 03.90.

After the switching center/visiting location register MSC/VLR of a routine received message " TCAP-BEGIN ", it started mobile management and RRM process, for example calls out mobile radio station MS and assignment signalling capacity.These are used to be established to the USSD affairs of mobile radio station MS.

The USSD transactions requests is transferred to mobile radio station MS and after obtaining an answer, by USSD service node USSDgw, this answer transferred to second service node AS.For each user data string that sends by USSD service node USSDgw subsequently, it all will wait for an answer.Therefore, can liken USSD affairs to a dialogue.

According to one embodiment of the invention, switching center/visiting location register MSC/VLR checked whether the USSD affairs of being asked meet the permission of being registered before starting mobile management and RRM process.

If this request does not meet the permission of being registered, then do not start mobile management and RRM process.Instead, by attaching position register HLR an error message is sent it back USSD service node USSDgw from switching center/VLR Visitor Location Register.Although for the reason that sends error message is known, a new error reason " the USSD affairs are stoped by the user " is included in this error message.Error message is transmitted in a composition " TCAP mistake ".

Mobile switching center MSC/VLR of the present invention comprises a user admission memory register.Mobile switching centre adds visiting location register MSC/VLR and also comprises a function, and it is used for the method according to this invention, checks this admittance when receiving the request of setting up USSD affairs.

Known mobile switching centre add visiting location register MSC/VLR can for the quantity of the ongoing affairs of mobile radio station MS.When admittance has stated that the parallel affairs of having only qualification quantity can be set up with mobile radio station MS, just use this function.Known mobile switching centre adds visiting location register MSC/VLR and also has a function that is used for checking the type of the affairs that can set up.Like this, stated circuit switched data when admittance to connect to set up affairs again under the situation about being established the time, just stoped the foundation of new affairs.

With the above-mentioned mobile switching center MSC/VLR that serves mobile radio station MS relatively, the information registering that will be referred to mobile radio station MS adds among visiting location register MSC/VLR in mobile switching centre.A GSM network generally includes a plurality of mobile switching centres and relevant VLR Visitor Location Register, although have only one of them to serve mobile radio station MS a time.When switching center/visiting location register MSC/VLR had accepted mobile radio station for the request of service, the data that relate to mobile radio station MS were just downloaded to the mobile switching center MSC/VLR from the attaching position register HLR that wherein registers mobile radio station MS information.

About the variation of the mobile switching center MSC/VLR that serves mobile radio station MS, transmit from attaching position register HLR to mobile switching center MSC/VLR moving station number according to and be known.This is well-knownly to have the process " renewal position " of the function of " insertion user data " to realize by one.Similar with other user data, utilize process " renewal position " and function " insertion user data ", also user admission can be registered among the attaching position register HLR and be sent to mobile switching center MSC/VLR.

The data structure of the admittance that Fig. 5 schematically illustrates the user and registered.Can set up a corresponding data record P for mobile radio station MS.With two the identity MSISDN of mobile radio station MS and a data record P who identifies this mobile radio station among the IMSI.Registration parameter UPAF in data record, the selecteed value of TCHACF and NoNp.Data record P also comprises a tabulation L, and tabulation L contains one, and to have indicated this tabulation be the Hei Biao or the designator of white table.Tabulation L contains several NEI, and wherein each is as the address of a USSD service node USSDgw.Several port addresss in this tabulation, have also been defined.Each port address in the tabulation is relevant with a NEI, and comes together to indicate a specific application with NEI.

Serve the switching center/visiting location register MSC/VLR of mobile radio station MS about change, copy mobile switching center MSC/VLR to from what attaching position register HLR sent data record P.

The user can have several modes that its admittance is registered in the attaching position register.The simplest mode is which permission of notice GSM network operator is desirable, and by a personal-machine dialog interface (MMI), the network operator is provided with parameter and indicates this admittance afterwards.Other solution makes the user can pass through mobile radio station MS, according to desirable admittance the admittance parameter is set.A solution like this comprises sets up one with the USSD affairs of HLR and transmit desirable USSD and be received into the HLR that has wherein registered parameter.Other solution is included as HLR an interactive voice control or a WWW interface is provided, and the mobile radio station user can utilize them to allow attaching position register HLR register desirable admittance.

Handle for the substituting of the mobile switching center of the control of user admission as handling according to the request of USSD affairs, attaching position register can be handled this control.Attaching position register uses and is used for the controlled function of the controlled function of mobile switching center corresponding to those.But, difference be attaching position register HLR do not comprise about with the information of the ongoing affairs of mobile radio station MS.USSD affairs of therefore, being asked can not connect because of the affairs of a quantification or circuit switched data carries out and is prevented from.But, when the angelica location register is allowed to carry out above-mentioned control, need not admit parameter copy to mobile switching center MSC/VLR.

Can provide connected equipment for mobile radio station MS.Mobile radio station MS and connected equipment constitute a portable terminal together.Connection device is a computer normally.As substituting of the mobile radio station MS of a USSD transactions requests of processing controls, can handle this control according to an admittance that is registered by connected computer.This computer equipment has those functions corresponding to the management control of mobile radio station MS and registered user's permission.And, can be configured in the interface of the connection between mobile radio station MS and this computer, the relevant information that is comprised in the request about USSD affairs just is transmitted to this computer like this.The decision that to whether can carry out these affairs from this computer sends back mobile radio station MS, and mobile radio station MS sends an answer to request then.

Comprise a plurality of control inspections whether affairs of being asked are allowed to that are used for determining with reference to figure 2 described methods of the present invention above.Being to be understood that does not need to carry out these all controls and select those controls that will be performed in the realization of controlled function.

And, can also comprise extra control in this method.An additionally controlled example like this is to read the sign that receives the module of USSD affairs of being asked among the mobile radio station MS.This module partly provides and designated DCS (data coding scheme) at the USSD of request.Can be with user admission, be to point to the display screen of mobile radio station or loud speaker if for example be claimed as the data of USSD affairs, then stop these affairs.A reason that stops this affairs is that the user has pressure because when submitting the data of several types to simultaneously.

Sometimes, USSD service node USSDgw can send the request that will send the more information string on USSD affairs of having set up.User's permission also can be stated in affairs only to accept the data transfer request of limited quantity.

In the above in the embodiment of Miao Shuing, according to control is carried out in the request of USSD affairs.But, should be appreciated that the present invention also can be used to the affairs of USSD affairs other type in addition.

Described embodiment has illustrated how the present invention is applied to a GSM network PLMN's.But, should be appreciated that the mobile communication system that also the present invention can be used for other.In all mobile communication system, can find the transaction types circuit switched data that is generally used for the voice purpose to connect.Most of mobile communication system also comprise such affairs, promptly wherein transmit user data by the affairs that do not connected by circuit switching.The affairs of inverter circuit exchange are normally transmitted under the help of the agreement that also is used to signaling.USSD affairs and SMS affairs are titles of two such affairs among the GSM network PLMN.Similarly transaction types has other title in other systems, although unfortunately, and the title that their neither ones are common.

Other mobile communication system generally includes a base station, rather than a wireless base station transceiver station BTS and a base station exchange central BS C.This base station comprises the identical function that is distributed among the GSM between base station exchange central BS C and the wireless base station transceiver station BTS basically.The function that is distributed in gsm system on the node among the switching system SS is distributed on the node of other title in other mobile communication system, but with the switching system SS of gsm system identical functions is arranged basically.

The present invention be applicable to all wherein several affairs can with the parallel mobile communication system of carrying out of a mobile radio station.Mobile communication system is meant a cellular radio that mobile service wherein is provided for mobile radio station.

Claims

1. method, be used for a quantity of specifying the affairs of mobile radio station (MS) in restriction and the mobile communication system (PLMN), this mobile communication system comprises a switching system (SS) that is connected to an external node (USSDgw), at least one base station (BTS, BSC), wherein above-mentioned portable terminal (MS) is used by a designated user, the method is characterized in that following steps:

A) registration (S1) is used to carry out first affairs (TCH, USSD1, user admission USSD2) between above-mentioned portable terminal (MS) and the above-mentioned service node (USSDgw);

B) receive second affairs (TCH, USSD1, request USSD2) that (S2) is established to above-mentioned portable terminal (MS) from the said external node;

C) check above-mentioned admittance (S3-S12); And

D) according to above-mentioned admittance forbid (S14) above-mentioned second affairs (TCH, USSD1, USSD2).

2. according to the process of claim 1 wherein that above-mentioned second affairs are that an inverter circuit exchange connects.

3. according to the method for claim 1 or 2, wherein the control according to step c) comprises also whether inspection (S4-S5) has been set up a circuit switching with above-mentioned portable terminal (MS) and be connected.

4. according to the method for claim 3, wherein when having set up foregoing circuit exchange connection, the connection of above-mentioned first affairs is forbidden in above-mentioned admittance.

5. according to the method for claim 1,2 or 3, wherein above-mentioned admittance (S12) statement allows the maximum number of parallel affairs of carrying out, and wherein the quantity of ongoing affairs is counted to compare with above-mentioned maximum number.

6. according to the method for claim 1 or 2, wherein comprise according to above-mentioned request and read the application that (S6) above-mentioned second affairs are pointed to, compare with above-mentioned admittance (S2-S11) and stop above-mentioned second affairs according to the condition of admitting according to the control of step c).

7. according to the method for claim 6, wherein comprise application according to the indication of above-mentioned request according to the registration of step a).

8. according to any one the method in the claim of front, wherein above-mentioned second affairs are USSD affairs.

9. according to the process of claim 1 wherein that above-mentioned second affairs are that circuit switching connects (TCH), and wherein for the interests of above-mentioned second affairs with ongoing the 3rd an inverter circuit exchange service termination.

10. a portable terminal (MS), it is used by a user and comprises: handle at least two affairs (TCH, USSD1, device USSD2) parallel in a mobile communication system (PLMN) by wireless connections; And be used for setting up above-mentioned first affairs (TCH, USSD1 forbidding the device of first affairs during USSD2) request when receiving one; It is characterized in that being used for that the registered user provides for second affairs (TCH, USSD1, the device of admittance USSD2); Be used for that (TCH, USSD1 during USSD2) request, check the device of above-mentioned admittance for the 3rd affairs when receiving; And be used for forbidding above-mentioned the 3rd affairs (TCH, USSD1, device USSD2) according to above-mentioned admittance.

11. the portable terminal (MS) according to claim 10 comprises a device, (TCH, USSD1 USSD2) forbid above-mentioned the 3rd affairs with above-mentioned admittance this device that is complementary in view of the 4th afoot affairs.

12. according to the portable terminal (MS) of claim 11, it comprises a device, this device is used for aligning afoot affairs (TCH, USSD1, USSD2) count and according to the quantity that is complementary with above-mentioned admittance forbid above-mentioned the 3rd affairs (TCH, USSD1, USSD2).

13. according to the portable terminal (MS) of claim 10, it comprises a device, if above-mentioned the 3rd affairs are circuit-switched transaction, for this devices of interests of the 3rd affairs with an inverter circuit exchange service termination.

14. according to the portable terminal (MS) of claim 10, wherein with above-mentioned given admittance, to allow or not allow to set up affairs (form of application table USSD2) (L) is registered for TCH, USSD1 for this application (AP).

15., comprise device according to known gsm system standard action according to any one the portable terminal (MS) among the claim 10-14.

16. according to any one the portable terminal (MS) among the claim 10-15, wherein above-mentioned first, (TCH, USSD1 USSD2) are the USSD affairs for second and the 3rd affairs.

17. according to any one the portable terminal (MS) among the claim 10-16, wherein above-mentioned terminal is a mobile radio station.

18. a switching system (SS), it is connected to: at least one service node (USSDgw); At least one base station (BTS, BSC); And (BTS BSC) is connected at least one mobile radio station (MS) by above-mentioned base station; And this switching system comprises: be used for receiving first device of setting up the request of affairs with above-mentioned mobile radio station (MS) from service node (USSDgw); And be used for by above-mentioned base station (BTS, BSC) set up above-mentioned affairs of asking second the device (GMSC, HLR, MSC/VLR); It is characterized in that: be used for registration in order to set up affairs (TCH, USSD1, the 3rd device of user admission USSD2); And be used for the 4th device that when receiving above-mentioned request, goes to check user admission and forbid above-mentioned business according to this admittance.

19. switching system (SS) according to claim 18, wherein above-mentioned admittance is registered in the form of a table (L) of application (AP), registers to allow or not allow to set up according to the form of the application table (L) of the affairs of above-mentioned request for this application (AP).

20. according to the switching system (SS) of claim 18, wherein above-mentioned the 4th device is used for connecting when being established when circuit switching, according to above-mentioned permission forbid above-mentioned affairs (TCH, USSD1, USSD2).

21. according to the switching system (SS) of claim 18, wherein above-mentioned the 4th device is used for the quantity of ongoing affairs is counted and whether forbidden this affairs less than the maximum number of the affairs that allowed according to this number.

22. any one the switching system (SS) according among the claim 18-21 comprises that one has been realized that wherein above-mentioned the 3rd switching center with the 4th device adds relevant VLR Visitor Location Register (HLR/VLR).

23., comprise an attaching position register (HLR) of wherein realizing the 3rd and the 4th device according to the switching system (SS) of claim 18 or 19.

24. according to any one the switching system (SS) among the claim 18-23 according to the standard of gsm system.

25. according to any one the switching system (SS) among the claim 18-23, wherein above-mentioned affairs are USSD affairs.