CN101984684B - System and method for initiatively establishing data connection at network side - Google Patents

System and method for initiatively establishing data connection at network side Download PDF

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Publication number
CN101984684B
CN101984684B CN201010531829.6A CN201010531829A CN101984684B CN 101984684 B CN101984684 B CN 101984684B CN 201010531829 A CN201010531829 A CN 201010531829A CN 101984684 B CN101984684 B CN 101984684B
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terminal
aaa
data service
data
access request
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CN101984684A (en
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史敏锐
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Abstract

The invention discloses a system and a method for initiatively establishing data connection at the network side. The method comprises the following steps: an application server sends a data service request massage to a mobile service switching center (MSC) in which a terminal is positioned and sends a server address to the terminal so as to establish the connection from the terminal to a service platform; the MSC forwards the service request massage to a base station subsystem (BSS) in which the terminal is positioned; the BSS receives the service request massage forwarded by the MSC and pages the terminal; the terminal initiates an access request to the BSS after receiving guide paging; a packet data service node (PDSN) sends the access request to an authentication, authorization and accounting server (AAA); the AAA authorizes, accounts and charges the terminal; and the PDSN and the AAA respond the access request and establish point-to-pint protocol (PPP) connection. The invention has the advantages that the access of the terminal is controlled by the application side according to actual application conditions; the utilization rate of the address can be enhanced; and multiple servers are accessed to the terminal.

Description

Network side is initiatively set up the system and method that data connect
Technical field
The present invention relates to the CDMA applied technical field, relate in particular to a kind of network side and initiatively set up the system and method that data connect.
Background technology
There are three kinds of states in the CDMA application terminal: activated state (ACTIVE), resting state (Dormant) and idle condition (NULL).There is air traffic channels in terminal (such as the CDMA mobile phone) between terminal and the base station when being in activated state, and A1, A8, A10 connect maintenance, and both sides all can send data; When terminal is in resting state, there is not air traffic channels between terminal and the base station, but has PPP (point to point protocol, Point to Point Protocol) link between the two, A1, A8 Connection Release, A10 connects maintenance; When being in idle condition, terminal and base station do not exist air traffic channels and PPP link, A1, A8, A10 Connection Release.
At present, during idle condition, data service all need to be initiated access request by terminal, thereby sets up data link, enters activated state.When application server (Server) needs to transmit data to terminal, when terminal is in again the NULL attitude, at first want activated terminals.The method that prior art generally adopts is that the application server side sends a specific note by network first, and terminal is initiated access request after receiving note, sets up data link.There is following several problem in this active mode:
1, standardization is poor: because the activation request message of every kind of application definition is different, realize initiating access request thereby cause terminal need to be configured with adaptive different activation request message.
2, real-time is poor: because note is non-real-time service, its time delay can not guarantee, and has the possibility of losing, thereby is not suitable for the business higher to requirement of real-time.
3, short message content is limited, can not set flexibly access address.
If 4 adopt length online, terminal need forever take the IP address, thereby is unfavorable for instant-free and conserve system resources.
In sum, how to overcome the non real-time property that SOT state of termination transforms in the prior art, further, provide a kind of mode of more convenient standard to realize that the activation of terminal and the mode of setting up of link become the technical problem that this area needs to be resolved hurrily.
Summary of the invention
The technical problem that the present invention will solve provides a kind of network side and initiatively sets up the system and method that data connect, and realizes foundation more standardized and orderly of the real-time of activation of terminal and link.
One aspect of the present invention provides a kind of network side initiatively to set up the system that data connect, and this system comprises: application server is used for sending the data service request message and sending server address to terminal to terminal place mobile services switching centre MSC; Mobile services switching centre MSC is used for receiving the business request information that application server sends, and business request information is transmitted to terminal place base station sub-system BSS; Base station sub-system BSS, after being used for receiving the business request information of mobile service center transmit, call terminal; The access request that receiving terminal is initiated, and be transmitted to group data service node PDSN; Group data service node PDSN be used for to receive the access request that terminal that base station sub-system BSS transmits is initiated, and access request is sent to AAA server AAA; AAA server AAA, the CAMEL-Subscription-Information for storage terminal carries out authentication,authorization,accounting to terminal, and the response access request, sets up PPP and connects.
Network side provided by the invention is initiatively set up among the embodiment of the system that data connect, and this system also comprises: attaching position register HLR is used for subscription data and the positional information of storage terminal.
Network side provided by the invention is initiatively set up among the embodiment of the system that data connect, and application server is determined the mobile services switching centre MSC at terminal place by inquiry attaching position register HLR.
Network side provided by the invention is initiatively set up among the embodiment of the system that data connect, and about data of reflecting comprise: in signing service information, authentication parameter, international mobile subscriber identity IMSI or the integrated services digital network ISDN code at least any one.
Network side provided by the invention is initiatively set up among the embodiment of the system that data connect, application server also is used for the position of storage terminal, and the integrated services digital network ISDN code of counterpart terminal, mobile identification code MIN or international mobile subscriber identity IMSI; Not mobile terminal is made a mark, so that need not be to attaching position register HLR inquiring position information when portable terminal is not initiated request.
Network side provided by the invention is initiatively set up among the embodiment of the system that data connect, and the data service request message comprises: in sign identity, byte length length, international mobile subscriber identity IMSI, terminal iidentification number MobileIdentificationNumber and the uniform resource position mark URL at least any one.
Another aspect of the present invention provides a kind of network side initiatively to set up the method that data connect, and the method realizes by the system of aforementioned any one; The method comprises: application server sends the data service request message to terminal place mobile services switching centre MSC; Mobile services switching centre MSC is transmitted to terminal place base station sub-system BSS with business request information; Base station sub-system BSS receives the business request information of mobile service center transmit, and call terminal; After terminal receives paging, initiate access request to base station sub-system BSS; Group data service node PDSN sends to AAA server AAA with access request; AAA server AAA carries out authentication,authorization,accounting to terminal; PDSN, AAA respond access request, set up PPP and connect; Application server sends server address to set up terminal to the connection of business platform to terminal.
Network side provided by the invention is initiatively set up among the embodiment of the method that data connect, and the method also comprises: application server is determined the mobile services switching centre MSC at terminal place by inquiry attaching position register HLR.
Network side provided by the invention is initiatively set up among the embodiment of the method that data connect, and the about data of mirror of HLR storage comprise: in signing service information, authentication parameter, international mobile subscriber identity IMSI or the integrated services digital network ISDN code at least any one.
Network side provided by the invention is initiatively set up among the embodiment of the method that data connect, and the data service request message comprises: in sign identity, byte length length, international mobile subscriber identity IMSI, terminal iidentification number MobileIdentificationNumber and the uniform resource position mark URL at least any one.
The network side of confession of the present invention is initiatively set up the system and method that data connect, MAP (MAP by expansion, Mobile Application Part) message is initiated the request of connecting by network application server/business platform and is controlled, and the request that will connect by beep-page message sends to target terminal.Thereby realize the access of application side control terminal, improve the address utilance, and can make terminal access a plurality of servers.
Description of drawings
A kind of network side that Fig. 1 illustrates the embodiment of the invention to be provided is initiatively set up the structural representation of the system of data connection;
Fig. 2 illustrates the identifying procedure that application server obtains terminal location;
A kind of network side that Fig. 3 illustrates the embodiment of the invention to be provided is initiatively set up the flow chart of the method for data connection;
Fig. 4 illustrates the flow chart that network side provided by the invention is initiatively set up a specific embodiment of the method that data connect.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.
A kind of network side that Fig. 1 illustrates the embodiment of the invention to be provided is initiatively set up the structural representation of the system of data connection.
As shown in Figure 1, network side is initiatively set up the system 100 that data connect and is comprised: application server 102, mobile services switching centre MSC 104, base station sub-system BSS 106, group data service node PDSN 108, AAA server AAA 110.Wherein
Application server 102 is used for sending the data service request message to terminal place mobile services switching centre MSC (MSC, Mobile Services switching Center) 104; And after setting up point to point protocol PPP connection, send server address to terminal.
Mobile services switching centre MSC 104 is used for receiving the business request information that application server sends, and business request information is transmitted to terminal place base station sub-system (BSS, Base Station sub-System) 106.
Base station sub-system BSS 106, after being used for receiving the business request information of mobile service center transmit, and call terminal; The access request that receiving terminal is initiated, and be transmitted to group data service node (PDSN, Packet Data Service Node) 108.
Group data service node PDSN 108, the access request that is used for the terminal initiation of reception base station sub-system BSS 106 forwardings, and access request sent to AAA server (AAA, Authentication, Authorization and Accounting) 110.
AAA server AAA 110, the CAMEL-Subscription-Information for storage terminal carries out authentication,authorization,accounting to terminal, and the response access request, sets up PPP and connects.
Initiatively set up according to network side provided by the invention among the embodiment of the system that data connect, this system also comprises: attaching position register (HLR, Home Location Register) is used for subscription data and the positional information of storage terminal.Wherein, about data of reflecting comprise: signing service information, authentication parameter, international mobile subscriber identity (IMSI, International Mobile Subscriber Identity) or in integrated services digital network (ISDN, the Integrated Service Digital Network) code at least any one.
Initiatively set up according to network side provided by the invention among the embodiment of the system that data connect, application server is determined the mobile services switching centre MSC at terminal place by inquiry attaching position register HLR.Specifically, SMSREQ message can be passed through in the position that obtains terminal.Fig. 2 illustrates the identifying procedure that application server obtains terminal location.As shown in Figure 2, application server/business platform sends SMSREQ message to attaching position register HLR, carries the MDN (Mobile Directory Number, Mobile Directory Number) of target terminal; Attaching position register HLR returns the MSC address at mobile identification code (MIN, Mobile Identification Number) and current terminal place according to the MDN of terminal.
Initiatively set up according to network side provided by the invention among the embodiment of the system that data connect, data service request message Data Deliver comprises: sign in identity, byte length length, international mobile subscriber identity IMSI, terminal iidentification number MobileIdentificationNumber and the URL(uniform resource locator) (URL, Uniform Resource Locator) at least any one.Specifically, data service command messages Data Deliver is that application server passes through the message that " MAP-Data-Delivery " mode transmits to mobile services switching centre MSC, and effect is to connect server on the requirement terminal; The particular content of this message is as shown in table 1, and wherein " M " is essential option, and (Mondatory), corresponding " O " is option (OPTION) with it.
Content Type
identify M
length M
IMSI M
MobileIdentificationNumber M
URL O
Project and type that table 1 data service command messages Data Deliver comprises
Initiatively set up according to network side provided by the invention among the embodiment of the system that data connect, the message that mobile services switching centre MSC transmits to base station sub-system BSS (A1) is the beep-page message ADDS PAGE (wherein A1:BSS-MSC interface identifier) that mobile services switching centre MSC generates according to the data service command messages Data Deliver that receives, it is to increase uniform resource position mark URL, the server address that indication connects in " BSSAP ADDS-PAGE " with the MAP message conversion; Effect is requirement base station sub-system BSS call terminal, and requires terminal to set up the PPP connection.The particular content of this message is as shown in table 2:
Information Element Type
Message Type M
Correlation ID M
Mobile Identity(IMSI) O
Mobile Identity(ESN) O
Cell Identifier List O
Air Interface Message O
Layer 2Ack Request/Results O
ULR O
Project and type that table 2 beep-page message ADDS PAGE comprises
Initiatively set up according to network side provided by the invention among the embodiment of the system that data connect, Data Deliver Request message is the message that base station sub-system BSS transmits to terminal, and effect is that notification terminal is initiated request and connected in order to set up PPP.BSS is the UPPER LAYER message Data-Deliver that eats dishes without rice or wine with the BSSAP message conversion, and BSS sends service request and server address to terminal.The particular content of this message is as shown in table 3:
Information Element LENGTH
Message Type 1
ULR 8
Project and byte length that table 3Data Deliver Request message comprises
Initiatively set up according to network side provided by the invention among the embodiment of the system that data connect, application server also is used for the position of storage terminal, and the mobile identification code MIN of counterpart terminal or international mobile subscriber identity IMSI; Not mobile terminal is made a mark, so that need not be to attaching position register HLR inquiring position information when portable terminal is not initiated request.
Network side provided by the invention is initiatively set up the system that data connect, by MAP MAP message, BSSAP (Base Station Subsystem Application Part, Base Station sub-system Application Part) and the cooperation of space interface signaling, by network controls Rapid Establishment terminal and server communication connection.Thereby realize being accessed by the application side control terminal according to practical situations, improved the address utilance, and can make terminal access a plurality of servers.
A kind of network side that Fig. 3 illustrates the embodiment of the invention to be provided is initiatively set up the flow chart of the method for data connection.
As shown in Figure 3, network side is initiatively set up the method 300 that data connect, and the network side that the method is described by previous embodiment is initiatively set up system's realization that data connect; The method comprises:
Step 302, application server sends the data service request message to terminal place mobile services switching centre MSC.Initiatively set up according to network side provided by the invention among the embodiment of the method that data connect, the data service request message comprises: in sign identity, byte length length, international mobile subscriber identity IMSI, terminal iidentification number MobileIdentificationNumber and the uniform resource position mark URL at least any one.
Step 304, mobile services switching centre MSC is transmitted to terminal place base station sub-system BSS with business request information.
Step 306, base station sub-system BSS receives the business request information of mobile service center transmit, and call terminal.
Step 308, terminal are initiated access request to base station sub-system BSS after receiving and leading paging.
Step 310, group data service node PDSN sends to AAA server AAA with access request.
Step 312, AAA server AAA carries out authentication,authorization,accounting to terminal.
Step 314, PDSN, AAA respond access request, set up PPP and connect.
Step 316, terminal are set up according to the URL that receives in the step 302 and are connected connection with application server.
Initiatively set up according to network side provided by the invention among the embodiment of the method that data connect, the method also comprises: application server is determined the mobile services switching centre MSC at terminal place by inquiry attaching position register HLR.Specifically, the about data of mirror of HLR storage comprise: in signing service information, authentication parameter, international mobile subscriber identity IMSI or the integrated services digital network ISDN code at least any one.
Fig. 4 illustrates the flow chart that network side provided by the invention is initiatively set up a specific embodiment of the method that data connect.
As shown in Figure 4, at first send data service request message Data delivery by server to terminal place mobile services switching centre MSC.
Step 2 sends paging request message AddsPage by MSC to base station sub-system BSS.
Step 3 is after BSS receives paging request message, by Data delivery Request call terminal.
Step 4, terminal are initiated access request message Connect Request after receiving paging.
Step 5, BSS sends " A9Setup A8 " message to PDSN, and request is set up A8 and is connected.
Step 6, PDSN sends authentication message in order to obtain Certificate Authority to AAA.
Step 7, after the AAA authentication, AAA is to PDSN return authorization notification message.
Step 8 sends " A9Connect A8 " message by PDSN to base station sub-system BSS, and the A8 connection is successfully established.
Step 9, terminal be according to server address, and sets up PPP between the application server and be connected.
With reference to the exemplary description of aforementioned the present invention, those skilled in the art can clearly know the present invention and have the following advantages:
Network side provided by the invention is initiatively set up the system and method that data connect, when server needs and terminal is carried out data communication, and when the data connection status of terminal was in the free time, server initiatively sent MAP message by circuit domain, requires terminal and server to set up data and is connected.MSC, BSS become the MAP message conversion respectively BSSAP message and the UPPER LAYER message of eating dishes without rice or wine.After terminal is received message, initiate the PPP access request, and after finishing PPP, according to the link of the foundation of the address in the message and server.The present invention, can improve the address utilance, and can make terminal access a plurality of servers by the access of application side control terminal according to practical situations.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the present invention's design is suitable for special-purpose.

Claims (10)

1. a network side is initiatively set up the system that data connect, and it is characterized in that described system comprises:
Application server is used for sending the data service request message and sending server address to described terminal to terminal place mobile services switching centre MSC;
Described mobile services switching centre MSC is used for receiving the data service request message that described application server sends, and described data service request message is transmitted to described terminal place base station sub-system BSS;
Described base station sub-system BSS, after being used for receiving the described data service request message of described mobile service center transmit, the described terminal of paging; Receive the access request that described terminal is initiated, and be transmitted to group data service node PDSN;
Described group data service node PDSN is used for receiving the access request that described terminal that described base station sub-system BSS transmits is initiated, and described access request is sent to AAA server AAA;
Described AAA server AAA is used for storing the CAMEL-Subscription-Information of described terminal, described terminal is carried out authentication,authorization,accounting, and respond described access request, sets up PPP and connects.
2. system according to claim 1 is characterized in that, described system also comprises: attaching position register HLR, and for subscription data and the positional information of storing described terminal.
3. system according to claim 2 is characterized in that, described application server is determined the mobile services switching centre MSC at described terminal place by inquiring about described attaching position register HLR.
4. system according to claim 2 is characterized in that, the about data of described mirror comprise: in signing service information, authentication parameter, international mobile subscriber identity IMSI or the integrated services digital network ISDN code at least any one.
5. system according to claim 1 is characterized in that, described application server also is used for storing the position of described terminal, and the integrated services digital network ISDN code of counterpart terminal, mobile identification code MIN or international mobile subscriber identity IMSI;
Not mobile terminal is made a mark, so that need not be to attaching position register HLR inquiring position information when portable terminal is not initiated request.
6. system according to claim 1, it is characterized in that described data service request message comprises: sign in identity, byte length length, international mobile subscriber identity IMSI, terminal iidentification number MobileIdentificationNumber and the uniform resource position mark URL at least any one.
7. a network side is initiatively set up the method that data connect, and described method realizes by the described system of any one among the aforementioned claim 1-3,5; It is characterized in that described method comprises:
Application server sends the data service request message to terminal place mobile services switching centre MSC;
Described mobile services switching centre MSC is transmitted to described terminal place base station sub-system BSS with described data service request message;
Described base station sub-system BSS receives the described data service request message of described mobile service center transmit, and the described terminal of paging;
After described terminal receives described paging, initiate access request to described base station sub-system BSS;
Described group data service node PDSN sends to AAA server AAA with described access request;
Described AAA server AAA carries out authentication,authorization,accounting to described terminal;
Described PDSN, AAA respond described access request, set up described PPP and connect;
Described application server sends server address to set up terminal to the connection of business platform to described terminal.
8. method according to claim 7 is characterized in that, described method also comprises: described application server is determined the mobile services switching centre MSC at described terminal place by inquiring about described attaching position register HLR.
9. method according to claim 8 is characterized in that, the about data of mirror of described HLR storage comprise: in signing service information, authentication parameter, international mobile subscriber identity IMSI or the integrated services digital network ISDN code at least any one.
10. method according to claim 7, it is characterized in that described data service request message comprises: sign in identity, byte length length, international mobile subscriber identity IMSI, terminal iidentification number MobileIdentificationNumber and the uniform resource position mark URL at least any one.
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EP3749048A1 (en) 2016-07-20 2020-12-09 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Methods and terminal device for transmitting data
CN110324379B (en) * 2018-03-30 2021-12-17 视联动力信息技术股份有限公司 Communication connection establishing method and device

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CN101163281A (en) * 2007-11-30 2008-04-16 中国电信股份有限公司 Method of implementing forward-shifting service shielding on fixed access of mobile subscriber

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Publication number Priority date Publication date Assignee Title
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CN101163281A (en) * 2007-11-30 2008-04-16 中国电信股份有限公司 Method of implementing forward-shifting service shielding on fixed access of mobile subscriber

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