CN101651948B - Method for realizing USAT data service - Google Patents
Method for realizing USAT data service Download PDFInfo
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- CN101651948B CN101651948B CN2009101042104A CN200910104210A CN101651948B CN 101651948 B CN101651948 B CN 101651948B CN 2009101042104 A CN2009101042104 A CN 2009101042104A CN 200910104210 A CN200910104210 A CN 200910104210A CN 101651948 B CN101651948 B CN 101651948B
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Abstract
The invention relates to the field of communication, in particular to a method for realizing USAT data service. By information mutual conversion between a user plane and a control plane, an AT command is used for carrying the converted information of the user plane and the control plane to realize the data interaction between UICC and a network terminal. When the USAT data service needs to be realized, the invention does not need to open up a special data port for the USAT function data service, can not influence the prior software and hardware configuration and can realize the USAT data service flexibly according to the function requirement.
Description
Technical field
The present invention relates to the communications field, particularly a kind of method that realizes common user identification module (abbreviating USIM as) application toolkit (abbreviating USAT as) data service.
Technical background
Common user identification module (abbreviating USIM as) is the important composition unit of 3G (Third Generation) Moblie user terminal (abbreviating 3G UE as), and its physical entity is Universal Integrated Circuit Card (abbreviating UICC as).USIM is as being based upon a kind of application on the UICC, is mainly used in the identification of terminal user ID and as the carrier of applied business.By USIM application toolkit (abbreviating USAT as) technology, the application among the UICC can be carried out interactive operation through serial USAT instruction with the UE that supports this application, thereby makes the mobile subscriber have individualized supplementary service.
The mutual serial USAT instruction of UICC and UE mainly contains active UICC instruction (abbreviating PROACTIVE CMD as), terminal response instruction (abbreviating TERMINAL RSP as) and encapsulation instruction (abbreviating ENVELOPE CMD as) three types.Wherein, PROACTIVECMD provides a kind of mechanism; Be that UICC can initiate an operation of being carried out by UE, as send SMS message, set up audio call, send dual-tone multifrequency, develop and manage the multiple operations that require initiation by UICC such as carrying with protocol-independent with the number among the UICC; TERMINAL RSP instruction is mail to UICC by UE, is the answer that PROACTIVE CMD is carried out; ENVELOP CMD instruction is given UICC with the certain operations result notification of UE, how to be handled by UICC decision next step this.
The PROACTIVE CMD relevant with the USAT data service mainly contains: open channel instruction (abbreviating OPEN CHANNEL as), close channel instruction (abbreviating CLOSECHANNEL as), send data command (abbreviating SEND DATA as) and receive data command (abbreviating RECEIVE DATA as) etc.; Through these instructions; UICC can accomplish a series of mutual with the terminal; Realize the data service that the USAT function is relevant, thus expansion UICC and terminal applies.Typical USAT data service is used by data transmission and Data Receiving two parts and is formed, and step is following:
(1) UICC sets up channel through OPEN CHANNEL command request UE;
(2) UE carries out foundation of packet data protocol (abbreviating PDP as) context and activation, accomplishes channel and sets up, and use TERMINAL RSP to reply UICC;
(3) UICC sends data through SEND DATA command request UE;
(4) UE sends particular data to network terminal, replys UICC through TERMINAL RSP after transmission is accomplished;
(5) after UE receives the data of automatic network, inform UICC with the form of ENVELOP CMD;
(6) UICC accepts data through RECEIVE DATA command request UE;
(7) UE gives UICC through the data passes that TERMINAL RSP will come from network;
(8) the repeatedly mutual of UICC and network terminal data accomplished in repeating step (3)-(7);
(9) after UICC and network terminal data interaction completion, UICC closes channel through CLOSECHANNEL command request UE, and end data is mutual.
Visible from above-mentioned steps, send and receive for the data in the USAT data service alternately, UICC carries out through PROACTIVE CMD commands for controlling UE.But UICC sends to the PROACTIVE CMD of UE, has only comprised relevant parameter, does not comprise the concrete grammar of realizing these operations.Usually, UE software design (being presented as application layer) can realize data of different types professional (the data of different types business takies different FPDPs) with one or more FPDPs through opening up a control port.Wherein, the UE control port connects the control plane of wireless communication protocol, realizes controlling the mutual of signaling with network terminal; The UE FPDP connects the user plane of wireless communication protocol, realizes the data interaction with network terminal.Principle according to this, to the handling process of USAT data service, can adopt method shown in Figure 1:
For USAT data service-transmission data (SEND DATA),
S1:UICC is sent to control plane with PROACTIVE CMD.
S2: control plane converts PROACTIVE CMD into the AT order, through control port, is sent to application layer.
S3: application layer is resolved the AT order, takes out data wherein, and presses order request, through user plane data is sent to network terminal through newly-increased USAT FPDP.
For USAT data service-reception data (RECEIVE DATA)
S4: what user plane will receive gives control plane from the data passes of network terminal, and control plane is passed to application layer through newly-increased USAT FPDP, application layer with this storage in the dedicated cache district;
S5: application layer is informed UICC with the form of ENVELOP CMD, has received the data of coming automatic network.
S6:UICC transmits data through RECEIVE DATA instruction notification application layer.
S7: application layer is given UICC through the data passes that TERMINAL RSP will come from network.
Adopt the method to realize the USAT data service, must have one to be used for the professional FPDP of USAT.If the current FPDP that does not have the free time then need increase new FPDP, open up special data service channel, and then accomplish the relevant data transmit-receive of USAT data service.But; Because the data of different types business takies different FPDPs,, realize that the USAT data service just must revise software or hardware structure in case all FPDP of UE is all occupied; Be used to expand new FPDP; In case software or hardware structure are confirmed, just are difficult to increase the USAT FPDP again newly, can not normally realize the USAT data service.
Summary of the invention
For overcoming above deficiency, the present invention proposes a kind of method of the USAT of realization data service, and this inventive method need not expand new FPDP when carrying out the USAT data service, makes the terminal software development process more simply clear.
The method of a kind of USAT of realization data service of the present invention is foundation with UICC to the PROACTIVE CMD that UE sends; Mutual conversion through UE base-band software wireless communication protocol user plane and control plane information; Translates it so that wireless communication protocol user plane and control plane are carried in the AT instruction realizes the data interaction of UICC and network terminal.
A kind of method that realizes USAT data service-transmission data; It is characterized in that: application layer encapsulates the form of data with the AT instruction; Be sent to control plane, control plane is converted into the AT order that receives the data format of making an appointment with user plane and sends to user plane.
A kind of method that realizes USAT data service-reception data; It is characterized in that: the data that user plane will receive from network terminal; Send to control plane by agreement preformat; Control plane encapsulates with the form with AT instruction, is sent to application layer, application layer resolve the AT order and with this storage in the dedicated cache district.
The method of a kind of USAT of realization data service of the present invention makes when needs are realized the USAT data service; Needn't open up special FPDP for USAT performance data business; Can not exert an influence, can realize the USAT data service flexibly according to the function needs to existing software and hardware framework.
Description of drawings
Fig. 1 is the process chart of existing USAT data service;
Fig. 2 is that the present invention realizes USAT data service structure chart;
Fig. 3 is USAT data service of the present invention-transmission data flowchart;
Fig. 4 is USAT data service of the present invention-receiving data stream journey figure;
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the method for a kind of USAT of realization data service of the present invention is done further explain below in conjunction with accompanying drawing and embodiment.
In order to simplify the application layer development process, improve development efficiency, the present invention proposes only to carry out the mutual of AT order in application layer, with the processing of USAT data, concentrates on the method for carrying out between control plane and user plane.
For USAT data service-transmission data (SEND DATA), UICC at first can require the terminal by designated parameters, opens channel, and this operation can be accomplished through standard A T instruction.After channel is successfully set up; Next will send data (SEND DATA); Application layer encapsulates the form of data with AT instruction, is sent to control plane, and control plane is converted into user plane with the AT order that receives can the recognition data form; And send to user plane, and then accomplish the transmission of data.In conjunction with accompanying drawing 3, the practical implementation step is following:
Step 201:UICC initiates ACTIVE CONTROL instruction PROACTIVE CMD to control plane, requires to send data (SEND DATA).
Step 202: control plane converts PROACTIVE CMD the AT order to and mails to application layer.
For example PROACTIVE CMD is (BER coded system, the structrual description of use TLV):
Control plane can be converted into self-defined AT order ^SSTFP: " SD ", and 1,1,129,33, " 0001020304050607 ",,, 1,1,0,56,0,48,2
Wherein, " 0001020304050607 " is the data that need be sent to network, and what use is HEX (16 system) coded system here, and the actual data that require to be sent to network are: 0x00,0x01...0x07.
Step 203: application layer is resolved the AT order and by its requirement execution corresponding operating, is sent to the data of network to needs, encapsulates and mail to control plane with self-defined AT command forms.
When said application layer is resolved the AT order; Should parse the order details (Command details) that comprises in the PROACTIVE CMD order; Device identification (Device identities); α identifier (Alpha identifier), channel data (Channel data), channel data length key parameters such as (Channel data length).Simultaneously, the UE base-band software should be carried out corresponding operating by order request, like the prompting user, whether carries out subsequent operation by user's decision, sends data or receives data etc.
When said application layer was resolved SEND DATA instruction, if UICC requires UE earlier data to be existed in the buffer memory, application layer should be opened up the dedicated cache district and preserved these data.
Said data are encapsulated with self-defined AT command forms is to use the HEX coded system, is about to represent two 16 hex value of a byte value, converts corresponding two ascii characters into.
In the present embodiment, application layer can know that through resolving the AT order UICC requires application layer through channel 1, and with data Ox00,0x01...0x07 is sent to network immediately.Be accomplishing should instruction, and application layer can be constructed self-defined AT instruction ^SUSPOST=0, " 0001020304050607 ", 17 and send it to control plane.Wherein, " 0001020304050607 " adopt the HEX coded system, be sent to the data of network for needs.17 is Network Service Access point title (Network service access point name abbreviates Nsapi as).
Step 204: control plane takes out the relevant parameter in the self-defined AT order, according to the form of user plane agreement, data encapsulation is sent to user plane after good.
Said control plane is that control plane is resolved the AT order with the mode that the AT order that receives is converted into the data format of making an appointment with user plane, takes out data wherein, according to the agreement form of user plane with data encapsulation.
The wireless communication protocol control plane encapsulates in the data to user plane, must comprise a signal heads, and this value is used for distinguishing information type, and promptly clearly the data of encapsulation are USAT data or from the data of FPDP.Also must comprise the Network Service Access point title.
For example control plane and user plane agree as follows form:
| The byte sequence number | Describe |
| [0] | Fixing 0x55 |
| [1] | Fixing 0xAA |
| [2] | Send process identification (PID), be defined as 0x55 |
| [3] | Keep 0x00 |
| [4]-[11] | Signal heads information |
| [12] | Nsapi |
| [13] | System's compiler is reserved |
| [14]-[15] | Fill, guarantee agreement data cell initial address is 4 byte boundaries |
| [16]-[17] | Protocol Data Unit length |
| [18]-[19] | PDCP head length degree fixedly extends this as 200, does not comprise [0]～[3] |
| [20]-[23] | The signal heads message address |
| [24]-[28] | 5 bytes of the beginning of IP head |
| [29] | IP packet start, i.e. " 45 " etc. |
Wherein, to be used for distinguishing the data that need be sent to network be the USAT data or the data of other FPDP to signal heads.If the current PS business of carrying out then goes out to insert the IP bag the 29th byte.If currently carry out the USAT data service, then insert the USAT data at the 29th byte place.0x00 in correspondence and the precedent, 0x01...0x07.
Data format agreement between user plane and control plane can to pass to the data format of user plane identical with FPDP.Like this, just can handle at user plane according to unified flow process.This example just adopts this method.
Step 205: after user plane was received and successfully resolved these data, the USAT data were just all accomplished to the transfer process of user plane from control plane.Next, user plane sends data according to standard agreement to network, and data are sent the result returns to control plane.
Step 206: control plane informs with the form of AT order whether application layer data sends successful.This AT order is just in the step 203, and application layer is sent to the answer of the self-defined AT of control plane.
Step 207: application layer is ordered according to the requirement structure AT of TERMINAL RSP, and control plane is mail in this order.
Step 208: control plane is TERMINAL RSP with the AT command conversion of receiving, sends to UICC.
Step 209:UICC informs control plane, and whether TERMINAL RSP carries out successful at UICC.
Step 210: control plane is informed application layer with the form of AT command response with the result.
For USAT data service-reception data (RECEIVE DATA), the prerequisite that this function triggers is, channel is successfully set up, with the process of network interaction in, received the data of coming automatic network.Idiographic flow is as shown in Figure 4:
Step 301: user plane is the data of automatic network in the future, and form is sent to control plane by making an appointment.
Step 302: control plane parses these data, and the form of ordering with self-defined AT encapsulates and be sent to application layer.
Step 303: application layer is resolved self-defined AT order, and with storage in the buffer memory that application layer is opened up specially.
Step 304: application layer mails to control plane according to the requirement structure AT order of ENVELOP CMD.
Step 305: control plane is converted into ENVELOP CMD with AT order, thereby informs that the UICC terminal received the data of coming automatic network.
Step 306:UICC informs that with the form of PROACTIVE CMD control plane accepts data (RECEIVE DATA), and control plane is with the form notification applications layer of AT order.
Step 307: application layer is taken out the data in the buffer memory according to the requirement of TERMINAL RSP, and the form of ordering with AT mails to control plane.
Step 308: control plane is TERMINAL RSP with the AT command conversion of receiving, sends to UICC.
Step 309:UICC informs whether control plane TERMINAL RSP carries out at UICC successful.
Step 310: control plane is informed application layer with the form of AT command response with the result.
It will be apparent to those skilled in the art that and understand that the above embodiment that the inventive method is lifted only is used to explain the present invention, and is not limited to the present invention.Though effectively described the present invention through embodiment, one skilled in the art will appreciate that there are many variations in the present invention and do not break away from spirit of the present invention.Under the situation that does not deviate from spirit of the present invention and essence thereof, those skilled in the art work as can make various corresponding changes or distortion according to the inventive method, but these corresponding changes or distortion all belong to claim protection range of the present invention.
Claims (6)
1. method that realizes USAT data service-transmission data; It is characterized in that: application layer is resolved the AT order; Press order request and carry out corresponding operating; And data are encapsulated with self-defined AT command forms, being sent to control plane, the self-defined AT order that control plane will receive is converted into the data format of making an appointment with user plane and sends to user plane.
2. a kind of method that realizes USAT data service-transmission data as claimed in claim 1 is characterized in that, said application layer should parse when resolving the AT order and to comprise in the order, device identification, α identifier, channel data, channel data length parameter.
3. a kind of method that realizes USAT data service-transmission data as claimed in claim 1; It is characterized in that; Point out the user said comprising by order request execution corresponding operating, whether carries out subsequent operation by user's decision, and said subsequent operation perhaps receives data for sending data.
4. a kind of method that realizes USAT data service-transmission data as claimed in claim 1 is characterized in that, said data are encapsulated with self-defined AT command forms is to use the HEX coded system.
5. a kind of method that realizes USAT data service-transmission data as claimed in claim 1; It is characterized in that; The mode that the self-defined AT order that said control plane will receive is converted into the data format of making an appointment with user plane is that control plane is resolved self-defined AT order; Take out data wherein, according to the agreement form of user plane with data encapsulation.
6. method that realizes USAT data service-reception data; It is characterized in that: the data that user plane will receive from network terminal; Form sends to control plane by making an appointment; Control plane parses these data and encapsulates with the form of self-defined AT order, is sent to application layer, application layer resolve self-defined AT order and with storage in the buffer area of opening up specially.
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| CN102325314B (en) * | 2011-09-13 | 2017-08-08 | 中兴通讯股份有限公司 | The method and apparatus for realizing USAT audio calls |
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| CN1774108A (en) * | 2004-11-11 | 2006-05-17 | 三星电子株式会社 | Method for controlling a sub-device of mobile equipment using a sim application toolkit |
| CN101291491A (en) * | 2008-06-10 | 2008-10-22 | 重庆重邮信科（集团）股份有限公司 | Information interaction method for connection information of user recognition card between application layer and protocol stack |
| CN101466019A (en) * | 2007-12-17 | 2009-06-24 | 夏新电子股份有限公司 | Television system with GPRS and control method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1387533A1 (en) * | 2002-07-29 | 2004-02-04 | Motorola, Inc. | Communication of packet data units over signalling and traffic channels |
| CN1774108A (en) * | 2004-11-11 | 2006-05-17 | 三星电子株式会社 | Method for controlling a sub-device of mobile equipment using a sim application toolkit |
| CN101466019A (en) * | 2007-12-17 | 2009-06-24 | 夏新电子股份有限公司 | Television system with GPRS and control method thereof |
| CN101291491A (en) * | 2008-06-10 | 2008-10-22 | 重庆重邮信科（集团）股份有限公司 | Information interaction method for connection information of user recognition card between application layer and protocol stack |
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Denomination of invention: Method for realizing USAT data service Effective date of registration: 20141114 Granted publication date: 20120104 Pledgee: Chongqing cyit (Group) Limited by Share Ltd Pledgor: Chongqing City Communication & Technology Co., Ltd. Registration number: 2014500000016 |
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Effective date of registration: 20170428 Address after: Nanping Street 400060 Chongqing Nan'an District Nancheng Road No. 199 left attached to the floor 403 Patentee after: Keen (Chongqing) Microelectronics Technology Co., Ltd. Address before: Chongqing University of Posts and Telecommunications shineford No. 1 building, 400065 Chongqing Nan'an District huangjuezhen pass Fort Park 12 floor Patentee before: Chongqing City Communication & Technology Co., Ltd. |