CN101800747A - Method for realizing train terminal multi-media service based on GPRS mobile intelligent network - Google Patents
Method for realizing train terminal multi-media service based on GPRS mobile intelligent network Download PDFInfo
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Abstract
The invention relates to a method for realizing train terminal multi-media service based on GPRS mobile intelligent network; the method solves the problems that the service items are monotonous, lack characteristics and have low information degree in the existing passenger train; the invention provides a method for realizing train terminal multi-media service based on GPRS mobile intelligent network; firstly, a train mobile terminal multimedia service supporting network structure is designed, and then flows of five parts of the train mobile terminal multi-media service are realized according to network definition: user terminal starting-up flow, user terminal access network flow, shopping and meal-ordering flow in the train, and the process that the user terminal is departed from the network and the charging process; by utilizing the functions provided by the GPRS mobile intelligent network, users can carry out video on demand, wireless internet, shopping in the train and dish ordering and other service by the operation of the mobile terminal, meanwhile, service staffs in the train can receive service request of passengers by a server an carry out service pertinently.
Description
Technical field
The present invention relates to a kind of method, belong to moving communicating field based on GPRS mobile intelligent net realization train terminal multi-media service.
Background technology
GPRS (GPRS) mobile intelligent net is meant is observing on the basis of CAMEL3 (mobile subscriber strengthens the customization of logic and used for the 3rd stage) agreement, the layer network that on original GPRS network, superposeed, thus can be fast, convenient, economical, generate and realize various novel GPRS intelligent data business flexibly, effectively.
In GSM-R (railway mobile communication) network, intelligent network has obtained application on circuit domain, but with application that Packet Based Network combines on go no further.CAMEL3 stipulates the interconnection of intelligent network and GPRS, range of application can be expanded to the packet-switched data business from present Circuit-switched voice service, improved the service content of CAMEL business greatly, enriched service attribute, the billing function of comprehensive and reasonable more is provided simultaneously.The GPRS mobile intelligent net has two kinds of triggering schemes, triggers and triggers based on GGSN (Gateway GPRS Support Node) based on SGSN (Serving GPRS Support Node).Comprehensive construction maintenance cost expense, the complexity of system and to the consideration of each side factors such as GPRS data transmission delay, the performance of the implementation that triggers based on GGSN is better than the implementation that triggers based on SGSN, can satisfy the demand of GSM-R network application better.
The GPRS mobile intelligent net structure chart that triggers based on GGSN as shown in Figure 1; The function of capital equipment is as follows in the GPRS mobile intelligent net:
SGSN:SGSN is that travelling carriage provides professional node.Major function is that travelling carriage is carried out authentication and mobile management, carry out Route Selection, set up the transmission channel of travelling carriage to GGSN, receive the transparent mobile station data that transmits of base station sub-system, carry out sending GGSN or reverse operation to by the GPRS backbone network after the protocol conversion, and charge and business statistics.
GGSN:GGSN is the node that inserts outer data network.
GGSN/gprsSSP: support the GGSN of gprsSSP (gprs service switching node) function, provide the GPRS IN service to trigger, accept functions such as SCP (business control nodes) control.
Interior DNS (name server): name server has wherein comprised the corresponding form of APN (APN) with the IP address.Its effect is exactly the IP address that the APN that receives from SGSN is corresponded to GGSN.
The GPRS interface server: it has protocol conversion, storage forwarding, the renewal of IP address, information security function.
China railways realizes that the strategy of great-leap-forward development requires its transport capacity to adapt to the requirement of the national economic development, and service quality satisfies passenger owner of cargo's demand substantially.But the service item dullness of carrying out on the existing passenger train, lack characteristic, the level of informatization is low, existing business more and more can not adapt to client's the demand and the development of society.Flourish along with our railway cause, providing of multimedia service is an inevitable trend on the train, also be one simultaneously and well be sent to, be a good market.
In view of the advantage that the demand and the GPRS mobile intelligent net of train multimedia service are used in railway, seek a kind of train multimedia service implementation and be inevitable based on the GPRS mobile intelligent net.
Summary of the invention
For the problem that solves the service item dullness of carrying out on the existing passenger train, lacks characteristic, the level of informatization is low, the invention provides a kind of method that realizes train terminal multi-media service based on the GPRS mobile intelligent net, the function of utilizing the GPRS mobile intelligent net to provide, the user can be by service such as the operation of portable terminal is finished in video request program, wireless Internet access, the train shopping and make a reservation, and the train attendant also can serve by the service request that server is accepted the passenger simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
At first design train mobile multimedia terminal business support network structure, realize the flow process of five parts of train mobile multimedia terminal business then according to this network definition, be respectively flow process, the process of user terminal terminal deviated from network, the charging process of doing shopping and making a reservation in user terminal start flow process, user terminal access flow through a network, the train, realize the train terminal multi-media service of train.
A kind of supporting network structure that realizes train terminal multi-media service based on the GPRS mobile intelligent net, the scheme that is based on GGSN triggering GPRS intelligent network that adopts, main feature is to realize that by various interface railway internal network, public network, user terminal and train attendant's terminal information are mutual, to obtain various multimedia services.
A kind of method based on GPRS mobile intelligent net realization train terminal multi-media service comprises following steps:
User terminal start process step;
User terminal access flow through a network step;
The process step of doing shopping in the train and making a reservation;
The process steps of user terminal terminal deviated from network;
Charging step.
A kind of train mobile multimedia terminal business support network structure:
The scheme that is based on GGSN triggering GPRS intelligent network that adopts realizes that by various interface railway internal network, public network, user terminal and train attendant's terminal information are mutual, to obtain various multimedia services;
At the train mobile multi-media service, this supporting network has proposed requirement to the GPRS mobile intelligent net in the function of following module:
SCP: service control point plays two kinds of effects in this network configuration; The one, seat number is translated as corresponding IP address; The 2nd, carry out the charging that the user uses network, be according to the time, or flow; Wherein charge on traffic is divided into two kinds of charge methods according to railway internal network and public network;
The railway in-house network: railway information on services net by GPRS interface server access network, comprises various entertainment information, video request program, network gaming, the net of making a reservation, shopping net;
Public network: i.e. Internet network by GPRS interface server access network, is used for user's receiving and dispatching mail, carries out trade connection;
Train attendant's terminal: every joint compartment is provided with train attendant's terminal, by the air interface access network, receives this section compartment passenger's service request information;
User terminal: a terminal being arranged on each passenger seat, by the air interface access network, be used for passenger's operation, is a multimedia data service terminal.
The method based on GPRS mobile intelligent net realization train terminal multi-media service that provides of the present invention has following characteristics:
1, do not need circuit modification is carried out in existing passenger car, only need add necessary equipment and get final product.
2, railway private network resource and usage ratio of equipment have been made full use of.
3, SCP has satisfied the demand of user's various chargings, aspect charging, gprs service both up time is chargeed, and can use data volume to charge again.
4, make things convenient for client, realized personalized business.
5, provide new business growth point for railway.
Description of drawings
When considered in conjunction with the accompanying drawings, by the reference following detailed, can more completely understand the present invention better and learn wherein many attendant advantages easily, but accompanying drawing described herein is used to provide further understanding of the present invention, constitute a part of the present invention, illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute to improper qualification of the present invention, wherein:
The GPRS mobile intelligent net structure chart that Fig. 1 triggers based on GGSN;
Fig. 2 train mobile multimedia terminal business support network structure;
Flow process set up in Fig. 3 PDP (packet data protocol) context;
Fig. 4 PDP context deactivation flow process.
Embodiment
Referring to figs. 1 through Fig. 4 embodiments of the invention are described.
The multi-medium data business is based on a business of railway private network (being railway GPRS mobile intelligent net) and passenger train portable terminal.The invention provides a kind of method, at first design train mobile multimedia terminal business support network structure based on GPRS mobile intelligent net realization train terminal multi-media service, as shown in Figure 2:
The main feature of train mobile multimedia terminal business support network is to realize that by various interface railway internal network, public network, user terminal and train attendant's terminal information are mutual, to obtain various multimedia services.
At the train mobile multi-media service, this supporting network has proposed requirement to the GPRS mobile intelligent net in the function of following module:
SCP: service control point plays two kinds of effects in this network configuration.The one, seat number is translated as corresponding IP address; The 2nd, carry out the charging that the user uses network, can be according to the time, also can be flow; Wherein charge on traffic is divided into two kinds of charge methods according to railway internal network and public network.
The railway in-house network: railway information on services net by GPRS interface server access network, comprises various entertainment information, video request program, network gaming, the net of making a reservation, shopping net;
Public network: i.e. Internet network by GPRS interface server access network, is used for user's receiving and dispatching mail, carries out trade connection;
Train attendant's terminal: every joint compartment is provided with train attendant's terminal, by the air interface access network, receives this section compartment passenger's service request information;
User terminal: a terminal being arranged on each passenger seat, by the air interface access network, be used for passenger's operation, is a multimedia data service terminal.
Based on this supporting network, the present invention proposes the detailed signaling process of realizing four professional parts:
The step of a, user terminal start flow process:
Step 1: during the user terminal start, terminal is imported the APN address automatically, obtains the IP address of the GGSN corresponding with APN in interior DNS.
Step 2: user terminal carries out the user name authentication at the SCP place.At this moment, user terminal has been finished GPRS and has been adhered to, and is ready.
The step of b, user terminal access flow through a network:
Step 1: the user is before operating terminal, and the location mark at input user place is running number, coach number and the seat number of place train, and sends.
Step 2: when SGSN received the ascending packet data unit of portable terminal transmission, triggering mobile terminals was converted into ready state from armed state, carries out the activation of PDP Context.
Step 3: " create the PDP Context request information and judge the business information that comprises user terminal requests in this message; it just will trigger the GPRS intelligent network; report SCP; in Initial DP GPRS (initial GPRS event detection point), comprised user position information, i.e. the running number at user's place, coach number and seat number when GGSN/gprsSSP receives.
Step 4:SCP distributes its IP address after obtaining user position information, is kept among the SCP.The test point PDP Context of SCP follow-up needs of configuration in the Request report GPRS event that returns (request report GPRS incident) is set up affirmation, PDP Context disconnects.
Step 5:SCP carries the IP address of being returned in the Connect GPRS that returns (connecting GPRS).
After user terminal obtains be its IP address allocated by SCP, just can accesses network, functions such as realization video request program, wireless Internet access.The whole signaling flowchart process as shown in Figure 3.
Train attendant's terminal also is the same flow process, adheres to and obtain the IP address of oneself, and different is that train attendant's terminal only need be imported running number, coach number gets final product.
Step 4 specifically comprises: for the user of same train number, should adopt the consolidated network address, can set subnet mask is 255.255.255.0, and all users' host address adopts the mode of dynamic assignment, can meet the demands.
The step of the flow process of doing shopping and making a reservation in c, the train:
The train attendant take same adhere to the PDP context activation program after obtained oneself IP address.At this moment, the communication between train attendant's terminal and the user terminal is exactly two communications that have between the IP address user.
The step of the process of d, user terminal terminal deviated from network:
User terminal exits network, and initiates PDP context deactivation, after receiving among the GGSN, the trigger detection point PDP Context disconnects, send Event report GPRS (event report GPRS) message to SCP, SCP loopback Release GPRS (discharging GPRS) message, release gprsSSP is connected with SCP's.Particular flow sheet as shown in Figure 4.
E, charging process:
Charging process can be according to the time, also can be flow.The time-based charging starting point is the time of SCP distributing IP address, and terminal point is the time that SCP sends Release GPRS message; Charge on traffic is divided into the railway internal network according to the purpose user's of user capture IP feature and public network is divided into two kinds of charge methods.
Obviously, the many modifications and variations done based on aim of the present invention of those skilled in the art belong to protection scope of the present invention.
As mentioned above, embodiments of the invention are explained, but as long as not breaking away from inventive point of the present invention and effect in fact can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation also all is included within protection scope of the present invention.
Claims (4)
1. realize the method for train terminal multi-media service it is characterized in that comprising following steps based on the GPRS mobile intelligent net for one kind:
User terminal start process step;
User terminal access flow through a network step;
The process step of doing shopping in the train and making a reservation;
The process steps of user terminal terminal deviated from network;
The charging process step.
2. a kind of method based on GPRS mobile intelligent net realization train terminal multi-media service according to claim 1 is characterized in that:
A, user terminal start process step have:
Step 1: during the user terminal start, terminal is imported the APN address automatically, obtains the IP address of the GGSN corresponding with APN in interior DNS;
Step 2: user terminal carries out the user name authentication at the SCP place; At this moment, user terminal has been finished GPRS and has been adhered to, and is ready;
B, user terminal access flow through a network step have:
Step 1: the user is before operating terminal, and the location mark at input user place is running number, coach number and the seat number of place train, and sends;
Step 2: when SGSN receives the ascending packet data unit of portable terminal transmission, just triggering mobile terminals is converted into ready state from armed state, carries out the activation of PDP Context;
Step 3: when GGSN/gprsSSP receive " create the PDP Context request information and also judge the business information that comprises user terminal requests in this message; it just will trigger the GPRS intelligent network; report SCP; comprise user position information in Initial DP GPRS, i.e. the running number at user's place, coach number and seat number;
Step 4:SCP distributes its IP address after obtaining user position information, is kept among the SCP; SCP disposes the test point PDP Context of follow-up needs and sets up affirmation, PDP Context disconnection in the Request report GPRS event that returns;
Step 5:SCP carries the IP address of being returned in the Connect GPRS that returns;
The process step of doing shopping and making a reservation in c, the train has:
The train attendant takes to obtain behind the active program IP address of oneself; At this moment, the communication between train attendant's terminal and the user terminal is exactly two communications that have between the IP address user;
The process steps of d, user terminal terminal deviated from network has:
User terminal exits network, and initiates PDP context deactivation, and after receiving among the GGSN, the trigger detection point PDP Context disconnects, and sends Event report GPRS message to SCP, SCP loopback Rel ease GPRS message, and release gprsSSP is connected with SCP's;
E, charging process step have:
Charging process can be according to the time, also can be flow; The time-based charging starting point is the time of SCP distributing IP address, and terminal point is the time that SCP sends Release GPRS message; Charge on traffic is divided into the railway internal network according to the purpose user's of user capture IP feature and public network is divided into two kinds of charge methods.
3. according to claim 2ly a kind ofly realize the method for train terminal multi-media service based on the GPRS mobile intelligent net, the described distributing IP of step 4 address wherein is characterized in that:
For the user of same train number, should adopt the consolidated network address, can set subnet mask is 255.255.255.0, all users' host address adopts the mode of dynamic assignment, can meet the demands.
4. train mobile multimedia terminal business support network structure is characterized in that:
The scheme that is based on GGSN triggering GPRS intelligent network that adopts realizes that by various interface railway internal network, public network, user terminal and train attendant's terminal information are mutual, to obtain various multimedia services;
At the train mobile multi-media service, this supporting network has proposed requirement to the GPRS mobile intelligent net in the function of following module:
SCP: service control point plays two kinds of effects in this network configuration; The one, seat number is translated as corresponding IP address; The 2nd, carry out the charging that the user uses network, be according to the time, or flow; Wherein charge on traffic is divided into two kinds of charge methods according to railway internal network and public network;
The railway in-house network: railway information on services net by GPRS interface server access network, comprises various entertainment information, video request program, network gaming, the net of making a reservation, shopping net;
Public network: i.e. Internet network by GPRS interface server access network, is used for user's receiving and dispatching mail, carries out trade connection;
Train attendant's terminal: every joint compartment is provided with train attendant's terminal, by the air interface access network, receives this section compartment passenger's service request information;
User terminal: a terminal being arranged on each passenger seat, by the air interface access network, be used for passenger's operation, is a multimedia data service terminal.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200420A (en) * | 2014-09-22 | 2014-12-10 | 中元众诚(北京)科技有限公司 | Railway passenger traffic section integrated application platform system |
| CN106067891A (en) * | 2015-04-20 | 2016-11-02 | 三星电子株式会社 | For the method and apparatus providing vehicle service |
| CN103729769B (en) * | 2013-12-20 | 2017-01-11 | 杨海涛 | Data processing system for train shopping and food ordering operations |
-
2010
- 2010-02-09 CN CN201010110757A patent/CN101800747A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103729769B (en) * | 2013-12-20 | 2017-01-11 | 杨海涛 | Data processing system for train shopping and food ordering operations |
| CN104200420A (en) * | 2014-09-22 | 2014-12-10 | 中元众诚(北京)科技有限公司 | Railway passenger traffic section integrated application platform system |
| CN106067891A (en) * | 2015-04-20 | 2016-11-02 | 三星电子株式会社 | For the method and apparatus providing vehicle service |
| CN106067891B (en) * | 2015-04-20 | 2021-03-09 | 三星电子株式会社 | Method and apparatus for providing vehicle services |
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Application publication date: 20100811 |