CN102665239B - Mobile communication teaching system and PS (Packet Switch) service data processing method - Google Patents
Mobile communication teaching system and PS (Packet Switch) service data processing method Download PDFInfo
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Abstract
The invention provides a mobile communication teaching system and a PS (Packet Switch) service data processing method, wherein the mobile communication teaching system comprises a data acquisition switch module, and a service agency module, the data acquisition switch module is used for receiving a PS service data packet packed by a wireless communication protocol from an RNC (Radio Network Controller), switching the PS service data packet into an Ethernet data packet packed by an Ethernet protocol, transmitting the Ethernet data packet to the service agency module, and receiving a PS service response data packet packed by the Ethernet protocol and returned by the service agency module, and transmitting to the RNC after switching the PS service response data packet into a data packet packed by the wireless communication protocol; and the service agent module is used for receiving the Ethernet data packet, accessing a network outside a mobile communication teaching system according to an instruction indicated by the Ethernet data packet, and returning the PS service response data packet packed by the Ethernet protocol to the data acquisition switch module according to an access result. Through the embodiment of the invention, the development cost of the mobile communication teaching system is reduced and a user training requirement is met.
Description
Technical field
The application relates to mobile communication instructional technology field, particularly relates to a kind of mobile communication tutoring system and a kind of PS(Packet Switched, packet switching) business data processing method.
Background technology
The new person that mobile communication Teaching Equipment is accepted communicating knowledge training towards communication relevant speciality student and the vocational training institutions of universities and colleges, can for user, provide the chance of the various mobile communication businesses that undergo, in current teaching and training market, be with a wide range of applications.Mobile communication Teaching Equipment is due to special application scenarios, it is different from common business communication system equipment, less demanding to performance index such as the capacity of system, stability, but require not reduce under the prerequisite of the experience scene kind that system provides for training customers as far as possible, reduce as much as possible system development costs, alleviate the procurement payment pressure of school and training organization.
For this reason, current most of Mobile Teaching is equipped or is " the function simple version " coming from after the function of common commercial mobile communication system is deleted, or is that the used equipment from existing network is eliminated is carried out to " the renovation version " after renewal and reform.
So that 3G commercial mobile communication system is imparted knowledge to students and is transform example as, a kind of typical network topology structure of existing 3G commercial mobile communication system as shown in Figure 1, network element device SGSN(Serving GPRS Support Node wherein), GGSN(Gateway GPRS Support Node) jointly form the PS territory of equipment of the core network, offer the PS business function of the abundant species such as terminal use's web page browsing, the download of FTP data.From network topological diagram, can find out, commercial mobile communication system is in order to realize harsh systematic function capacity, stability indicator, adopt in realization very complicated protocol interface, performance disposal ability to hardware platform also has higher requirement, so core network system complex structure of commercial mobile communication system, development cost is high, and configuration using method is also comparatively complicated.If develop on this basis Teaching Equipment system, even system is carried out to great deleting, but the purchase cost of system and configuration difficulty are also difficult to be reduced to an energy by financial strength and the technical foundation degree that all most of training school of richness accepts not.And after system original function is deleted, some Teaching Equipment system is no longer supported some featured functions such as HSDPA download, high-speed stream media program request, student cannot in tutoring system, actual experience be to these mobile communication businesses, and the Teaching Experience function of Teaching Equipment system is had a greatly reduced quality.
In a word, existing mobile communication Teaching Equipment, because derive from commercial system, is deleted even if therefore carried out function, but Teaching Equipment system has still partly been used hardware platform and the software module of former commercial system, cause the whole price of system still higher, affect the marketing of system; And after function is simplified, the also corresponding shrink of experience scene for training user provides, can not meet training requirement.
Summary of the invention
The application provides a kind of mobile communication tutoring system and a kind of PS business data processing method, with solve existing repacking from the mobile communication Teaching Equipment of commercial mobile communication system to realize cost high and can not meet the problem of training requirement.
In order to address the above problem, the application discloses a kind of mobile communication tutoring system, comprise: Data collecting conversion module, for receive the packet switching PS business data packet of using wireless communication protocol encapsulation from radio network controller (RNC), described PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation, described Ethernet data bag is sent to service agent module; And, receive the PS service response packet of the described Ethernet protocol encapsulation of use that described service agent module returns, described PS service response packet is converted to after the packet that uses wireless communication protocol encapsulation, send to described RNC; Described service agent module, be used for receiving described Ethernet data bag, according to the network of the instruction access mobile communication tutoring system outside of described Ethernet data bag indication, according to access result, to described Data collecting conversion module, return to the described PS service response packet that uses described Ethernet protocol encapsulation.
Preferably, described Data collecting conversion module comprises: the first receiver module, for receive the described PS business data packet of using wireless communication protocol encapsulation from RNC, described PS business data packet comprises GPRS Tunnel Protocol GTP_U packet header and the PS business datum payload of user level; The first modular converter, for using Ethernet protocol packet header to replace described GTP_U packet header, is configured to described Ethernet data bag by described Ethernet protocol packet header and described PS business datum payload; The first sending module, for sending to described service agent module by described Ethernet data bag; The second receiver module, for receiving the described PS service response packet of the described Ethernet protocol encapsulation of use that described service agent module returns, described PS service response packet comprises Ethernet protocol packet header and PS service response payload user data; The second modular converter, for obtaining object IP address from described PS service response payload user data, according to described object IP address, determine user equipment (UE), construct the GTP_U packet header that this UE is corresponding, use this GTP_U packet header of structure to replace the described Ethernet protocol packet header in described PS service response packet, this GTP_U packet header and described PS service response payload user data are configured to the packet that described use wireless communication protocol encapsulates; The second sending module, for giving described RNC by the described Packet Generation of described the second modular converter structure.
Preferably, described the first receiver module user data pack protocol udp port, receives the described PS business data packet that described RNC sends by Iu interface; Described the second sending module is used described udp port, by the described Packet Generation of described the second modular converter structure, gives described RNC.
Preferably, described Data collecting conversion module and described service agent module are arranged at respectively on different computers; The computer at described Data collecting conversion module place is connected in the out link of PS service surface of described RNC by the first Ethernet card, by the second Ethernet card, be connected with the computer at described service agent module place; The computer at described service agent module place is connected with described the second Ethernet card by three-ethernet card, is connected to the network of described mobile communication tutoring system outside by the 4th Ethernet card.
Preferably, described the first sending module, by winpcap interface, sends to described service agent module by described Ethernet data bag; Described the second receiver module is by described winpcap interface, receives the described PS service response packet of the described Ethernet protocol encapsulation of use that described service agent module returns.
Preferably, described the second modular converter, by winpcap interface, obtains described object IP address from described PS service response payload user data.
Preferably, described Data collecting conversion module also comprises discard module, if cannot determine UE according to described object IP address for described the second modular converter, abandons described PS service response packet.
Preferably, described service agent module, be used for receiving described Ethernet data bag, instruction according to described Ethernet data bag indication is applied by the third party who sets in advance, access the network of described mobile communication tutoring system outside, and to described Data collecting conversion module, return to according to access result the described PS service response packet that uses described Ethernet protocol encapsulation.
In order to address the above problem, disclosed herein as well is a kind of packet switching PS business data processing method, comprise: data processing equipment receives the PS business data packet of using wireless communication protocol encapsulation from radio network controller (RNC), described PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation; According to the network of data processing equipment outside described in the instruction access of described Ethernet data bag indication, according to access result, return to the PS service response packet that uses described Ethernet protocol encapsulation; By using the described PS service response packet of described Ethernet protocol encapsulation to be converted to after the packet that uses wireless communication protocol encapsulation, send to described RNC.
Preferably, described PS business data packet comprises GPRS Tunnel Protocol GTP_U packet header and the PS business datum payload of user level, the described step that described PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation comprises: use Ethernet protocol packet header to replace described GTP_U packet header, described Ethernet protocol packet header and described PS business datum payload are configured to described Ethernet data bag.
Preferably, described PS service response packet comprises Ethernet protocol packet header and PS service response payload user data, the step that the described described PS service response packet by the described Ethernet protocol encapsulation of use is converted to the packet that uses wireless communication protocol encapsulation comprises: from described PS service response payload user data, obtain object IP address, according to described object IP address, determine user equipment (UE), construct the GTP_U packet header that this UE is corresponding; Use this GTP_U packet header of structure to replace the described Ethernet protocol packet header in described PS service response packet, this GTP_U packet header and described PS service response payload user data are configured to the packet that described use wireless communication protocol encapsulates.
Preferably, described data processing equipment comprises the first computer and the second computer that uses Ethernet card to be connected; Described the first computer receives the described PS business data packet of using wireless communication protocol encapsulation from described RNC, described PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation, and sends to described second computer by winpcap interface; Described second computer receives described Ethernet data bag, according to the network of data processing equipment outside described in the instruction access of described Ethernet data bag indication, according to access result, to described the first computer, return to the described PS service response packet that uses described Ethernet protocol encapsulation; Described the first computer receives the described PS service response packet of described use Ethernet protocol encapsulation by described winpcap interface, described PS service response packet is converted to after the packet that uses wireless communication protocol encapsulation, sends to described RNC.
Compared with prior art, the application has the following advantages:
The application's Usage data collection modular converter and service agent module simulation are realized the SGSN in PS territory and the function of GGSN in commercial 3G mobile communication system, wherein, Data collecting conversion module is after receiving the PS business data packet of the wireless communication protocol encapsulation that true RNC sends, be converted to the packet of Ethernet protocol encapsulation, transfer to service agent module to process this Ethernet data bag, and then, service agent module is returned to the PS service response packet of Ethernet data packet form, by Data collecting conversion module, be converted into again the PS service response packet of wireless communication data packet form, transfer to RNC to carry out subsequent treatment.By the application, the mode of changing by protocol data between module is transmitted PS business datum, and Data collecting conversion module is responsible for the processing forward of PS business data packet, and service agent module is responsible for realizing concrete PS business.By Data collecting conversion module and service agent module, originally in cordless communication network, the PS business datum of transmission and processing is converted into the data that can transmit and process in Ethernet, and then in Ethernet, processes at low cost and transmit.With respect to the current pattern of utilizing business communication system exploitation Teaching Equipment, the application's scheme Usage data collection modular converter and service agent module can provide the function of the true PS business of core net, do not need special hardware platform, therefore Teaching Equipment entire system development cost is significantly reduced; In addition, service agent module can be according to user's request, realize concrete PS business in any suitable manner, as used a lot of free third party's application/software to realize various concrete PS business, thereby for user provides various experience scenes, effectively meet user training demand, and flexible configuration is convenient, use cost is cheap.
Accompanying drawing explanation
Fig. 1 is the network topology structure figure of a kind of 3G commercial mobile communication system of prior art;
Fig. 2 is according to the structured flowchart of a kind of mobile communication tutoring system of the embodiment of the present application one;
Fig. 3 is according to the structured flowchart of a kind of mobile communication tutoring system of the embodiment of the present application two;
Fig. 4 is according to the structural representation of a kind of mobile communication tutoring system of the embodiment of the present application three;
Fig. 5 is the data flow schematic diagram in embodiment illustrated in fig. 4;
Fig. 6 is according to the flow chart of steps of a kind of PS business data processing method of the embodiment of the present application four.
Embodiment
For the application's above-mentioned purpose, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the application is described in further detail.
Embodiment mono-
With reference to Fig. 2, show according to the structured flowchart of a kind of mobile communication tutoring system of the embodiment of the present application one.
The mobile communication tutoring system of the present embodiment comprises: Data collecting conversion module 102, for from RNC(radio network controller) receive the PS business data packet of using wireless communication protocol encapsulation, this PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation, and this Ethernet data bag is sent to service agent module 104; Service agent module 104, for receiving the Ethernet data bag that Data collecting conversion module 102 is sent, according to the network of the instruction access mobile communication tutoring system outside of Ethernet data bag indication, according to access result, to Data collecting conversion module 102, return to the PS service response packet that uses Ethernet protocol encapsulation; Data collecting conversion module 102, also, for receiving the PS service response packet of the use Ethernet protocol encapsulation that service agent module 104 returns, is converted to this PS service response packet after the packet that uses wireless communication protocol encapsulation, sends to RNC.
The present embodiment Usage data collection modular converter 102 and 104 simulations of service agent module realize the SGSN in PS territory and the function of GGSN in commercial 3G mobile communication system, wherein, Data collecting conversion module 102 is after receiving the PS business data packet of the wireless communication protocol encapsulation that true RNC sends, be converted to the packet of Ethernet protocol encapsulation, transfer to 104 pairs of these Ethernet data bags of service agent module to process, and then, service agent module 104 is returned to the PS service response packet of Ethernet data packet form, by Data collecting conversion module 102, be converted into again the PS service response packet of wireless communication data packet form, transfer to RNC to carry out subsequent treatment.By the present embodiment, the mode of changing by protocol data between module is transmitted PS business datum, and Data collecting conversion module is responsible for the processing forward of PS business data packet, and service agent module is responsible for realizing concrete PS business.By Data collecting conversion module and service agent module, originally in cordless communication network, the PS business datum of transmission and processing is converted into the data that can transmit and process in Ethernet, and then in Ethernet, processes at low cost and transmit.With respect to the current pattern of utilizing business communication system exploitation Teaching Equipment, the scheme Usage data collection modular converter of the present embodiment and service agent module can provide the function of the true PS business of core net, do not need special hardware platform, therefore Teaching Equipment entire system development cost is significantly reduced; In addition, service agent module can be according to user's request, realize concrete PS business in any suitable manner, as used a lot of free third party's application/software to realize various concrete PS business, thereby for user provides various experience scenes, effectively meet user training demand, and flexible configuration is convenient, use cost is cheap.
Embodiment bis-
With reference to Fig. 3, show according to the structured flowchart of a kind of mobile communication tutoring system of the embodiment of the present application two.
In the present embodiment, Data collecting conversion module and service agent module are arranged to a PC(PC) in, this PC one end is connected with RNC, and the other end is connected in the INTERNET network of mobile communication tutoring system outside.
The mobile communication tutoring system of the present embodiment comprises a PC, is provided with Data collecting conversion module 202 and service agent module 204 on this PC.
Wherein:
Data collecting conversion module 202, for receive the PS business data packet of using wireless communication protocol encapsulation from RNC, this PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation, then, this Ethernet data bag is sent to service agent module 204; And the PS service response packet of the use Ethernet protocol encapsulation that reception service agent module 204 is returned, is converted to this PS service response packet after the packet that uses wireless communication protocol encapsulation, sends to RNC.In the present embodiment, the PS business data packet that RNC sends is used the GPRS(GPRS of GTP_U(user level) tunnel protocol) encapsulation, PS business data packet comprises GTP_U packet header and PS business datum payload.The PS service response packet that service agent module 204 is returned comprises Ethernet protocol packet header and PS service response payload user data.It should be noted that, GTP_U encapsulation PS business data packet is only exemplary illustration, in actual applications, uses the PS business datum of other wireless communication protocol encapsulation also can carry out with reference to the present embodiment.
In the present embodiment, RNC is used the PS business data packet of the wireless communication protocol encapsulation of Iu interface transmission, Data collecting conversion module 202 use UDP(User Datagram Protocols) port receives the PS business data packet that RNC sends, equally, when sending the PS service response packet of wireless communication protocol encapsulation to RNC, Data collecting conversion module 202 is still used udp port to send.
Service agent module 204, the Ethernet data bag sending for receiving Data collecting conversion module 202, this Ethernet data bag is resolved, according to the INTERNET network of the instruction access mobile communication tutoring system outside of Ethernet data bag indication, and then to Data collecting conversion module 202, return to according to access result the PS service response packet that uses Ethernet protocol encapsulation.
Preferably, various third party's application (or being third party software) can be set on the PC at service agent module 204 places, service agent module 204 is according to the instruction of Ethernet data bag indication, by the INTERNET network of these third party's application access mobile communication tutoring system outsides of arranging.
Preferably, Data collecting conversion module 202 comprises: the first receiver module 2022, and for receive the PS business data packet of using wireless communication protocol encapsulation from RNC, this PS business data packet comprises GTP_U packet header and PS business datum payload; The first modular converter 2024, for using Ethernet protocol packet header to replace GTP_U packet header, is configured to Ethernet data bag by Ethernet protocol packet header and PS business datum payload; The first sending module 2026, for sending to service agent module 204 by Ethernet data bag; The second receiver module 2028, for receiving the PS service response packet of the use Ethernet protocol encapsulation that service agent module 204 returns, this PS service response packet comprises Ethernet protocol packet header and PS service response payload user data; The second modular converter 20210, for obtaining object IP address from PS service response payload user data, according to object IP address, determine UE(subscriber equipment), construct the GTP_U packet header that this UE is corresponding, use this GTP_U packet header of structure to replace the Ethernet protocol packet header in PS service response packet, this GTP_U packet header and PS service response payload user data are configured to the packet that uses wireless communication protocol to encapsulate; The second sending module 20212, for by the Packet Generation of the second modular converter 20210 structure to RNC.It should be noted that, the first receiver module 2022 and the second receiver module 2028 can arrange respectively, also can merge setting.Equally, the first modular converter 2024 and the second modular converter 20210 also can arrange respectively or merge setting, and the first sending module 2026 and the second sending module 20212 also can arrange respectively or merge setting.
For example, the mobile communication tutoring system of the present embodiment is when carrying out PS data processing, and RNC sends the PS business data packet of GTP_U encapsulation by Iu interface, and this PS business data packet comprises GTP_U packet header and PS business datum payload; The first receiver module 2022 obtains this PS business data packet by udp port, gives the first modular converter 2024; GTP_U packet header is replaced in the first modular converter 2024 use Ethernet protocol packet header, uses Ethernet protocol packet header and PS business datum payload structure Ethernet data bag; Then, by the first sending module 2026, this Ethernet data bag is sent to service agent module 204; 204 pairs of these Ethernet data bags of service agent module are resolved, obtain instruction wherein, according to the INTERNET network of this instruction access mobile communication tutoring system outside, as access HTTP webpage or carry out FTP download etc., and then returning to according to access result the PS service response packet that uses Ethernet protocol encapsulation, this PS service response packet comprises Ethernet protocol packet header and PS service response payload user data; The second receiver module 2028 receives after the PS service response packet that service agent module 204 returns, and gives the second modular converter 20210 and processes; The second modular converter 20210 obtains object IP address from PS service response payload user data, according to object IP address, determine UE, construct the GTP_U packet header that this UE is corresponding, then use this GTP_U packet header of structure to replace the Ethernet protocol packet header in PS service response packet, this GTP_U packet header and PS service response payload user data are configured to use after the packet of wireless communication protocol encapsulation, give the second sending module 20212; The second sending module 20212 sends to RNC by the packet of the second modular converter 20210 structures by udp port.
Wherein, because the Data collecting conversion module 202 in the present embodiment and service agent module 204 are arranged on same PC, between the two, carrying out data while transmitting, can directly transmit, as the mode of transmitting with parameter, also can transmit by development interface, as transmitted by winpcap interface.
By the present embodiment, effectively reduce the whole development cost of mobile communication Teaching Equipment system, and can provide various experience scenes for user, meet user training demand.In addition, Data collecting conversion module and service agent module integration are gone up in a PC, further reduced the cost of realizing of mobile communication Teaching Equipment system.
Embodiment tri-
With reference to Fig. 4, show according to the structural representation of a kind of mobile communication tutoring system of the embodiment of the present application three.
Data collecting conversion module in the present embodiment and service agent module respectively independent part to be deployed in two PC upper, the mobile communication tutoring system of the present embodiment comprises: UE, NB(base station), RNC, be provided with the PC1 of Data collecting conversion module and be provided with the PC2 of service agent module.
PC1 is connected with outside by Ethernet card respectively with PC2, and wherein, the PC1 at Data collecting conversion module place at least contains two Ethernet cards, is connected respectively with the out link of PS service surface of RNC with the PC2 at service agent module place; The PC2 at service agent module place also at least contains two Ethernet cards, is connected respectively with PC1 with the INTERNET network of mobile communication tutoring system outside.
In the mobile communication tutoring system of the present embodiment, UE, NB, RNC are all used real equipment.The network interface card 1(of Data collecting conversion module place PC1 i.e. the first Ethernet card) connection RNC, network interface card 2(i.e. the second Ethernet card) optional by Hub() be three-ethernet card with the network interface card 1(of service agent module place PC2) connect together, the network interface card 2(of service agent module place PC2 i.e. the 4th Ethernet card) can be connected to external network and provide the function of access INTERNET for UE, Data collecting conversion module and service agent module complete the processing capacity of core net to PS business datum jointly.
The Data collecting conversion module of the present embodiment is for receiving the PS business data packet of using wireless communication protocol (the present embodiment is GTP_U) encapsulation from RNC, PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation, Ethernet data bag is sent to service agent module; And the PS service response packet of the use Ethernet protocol encapsulation that reception service agent module is returned, is converted to PS service response packet after the packet that uses wireless communication protocol (being GTP_U in the present embodiment) encapsulation, sends to RNC.
Preferably, the Data collecting conversion module of the present embodiment comprises: the first receiver module, and for receive the PS business data packet of using wireless communication protocol encapsulation from RNC, PS business data packet comprises GTP_U packet header and PS business datum payload; The first modular converter, for using Ethernet protocol packet header to replace GTP_U packet header, is configured to Ethernet data bag by Ethernet protocol packet header and PS business datum payload; The first sending module, for sending to Ethernet data bag the service agent module of PC2; The second receiver module, for receiving the PS service response packet of the use Ethernet protocol encapsulation that the service agent module of PC2 returns, PS service response packet comprises Ethernet protocol packet header and PS service response payload user data; The second modular converter, for obtaining object IP address from PS service response payload user data, according to object IP address, determine UE, construct the GTP_U packet header that this UE is corresponding, use this GTP_U packet header of structure to replace the Ethernet protocol packet header in PS service response packet, this GTP_U packet header and PS service response payload user data are configured to the packet that uses wireless communication protocol to encapsulate; The second sending module, for by the Packet Generation of the second modular converter structure to RNC.
Preferably, the Data collecting conversion module of the present embodiment also comprises discard module, if cannot determine UE according to object IP address for the second modular converter, abandons PS service response packet.
The service agent module of the present embodiment, the Ethernet data bag sending for receiving Data collecting conversion module, according to the instruction of Ethernet data bag indication, by the third party's application/third party software setting in advance, the network of access mobile communication tutoring system outside, returns to according to access result the PS service response packet that uses Ethernet protocol encapsulation to Data collecting conversion module.
In actual mobile communication tutoring system, service agent module can directly adopt some free third party software/third party application according to different business demands.For example, when needs provide Http web page browsing function to UE, service agent module can correspond to online agent software " CCproxy ", if need to provide ftp business for UE, service agent module can be deployed to freeware " Server-U ".User can independently select the deployment scheme of service agent module according to the service needed of self, and the application is not restricted this.When needs provide multiple PS business for UE simultaneously, can also dispose multiple agent software simultaneously.
Below, for ease of explanation, PS business datum is reduced to upstream data and downlink data, its data flow as shown in Figure 5.Wherein, upstream data is the PS business datum that RNC sends to core net, and downlink data is the PS service response data that service agent module sends to RNC.For easy analysis, the data of up-downlink direction are by be subdivided into data 1,2 between disparate modules.
For upstream data, upstream data 1 is the PS service surface data that RNC sends to core net by Iu interface, and the head of Frame is GTP_U protocol header, after be PS business datum payload, as shown in table 1.
Table 1 upstream data 1 forms
| GTP_U head | PS Deta bearer (nB) |
Data collecting conversion module (being specially the first receiver module) is received upstream data 1 by the udp port of the Socket mode of Windows system, (the first modular converter) first peels GTP_U head off, then construct Ethernet protocol head and add to before PS business datum payload, become upstream data 2, make posttectonic upstream data 2 can use Ethernet protocol transmission.Wherein, posttectonic upstream data 2 is as shown in table 2.
Table 2 upstream data 2 forms
| Ether protocoll head (14B) | PS Deta bearer (nB) |
Wherein, the Ethernet protocol head of upstream data 2 thes contents are as follows shown in table 3.
Table 3 Ether protocoll head forms
Then, Data collecting conversion module (being specially the first sending module) arrives the Packet Generation of having constructed by the winpcap interface under Windows the PC2 at service agent module place.Like this, just completed the processing to up PS business datum.
Winpcap interface is the development interface of an opening providing of Windows operating system, upper procedure developer can by it directly with underlying operating system alternately, catch packet, the free structure packet of network interface card and send by network interface card.When sending packet by winpcap interface, can adopt general API Calls pattern, do not repeat them here.
The PC2 at service agent module place is connected in outside INTERNET network by the 4th Ethernet card, when service agent module receives after the packet that data acquisition module sends, it is resolved, obtain the instruction of this packet, by the third party's application/third party software access INTERNET disposing, according to access result, generating PS service response packet, is also the downlink data 2 in downlink data.
For downlink data, downlink data 2 is PS service response data that miscellaneous service server software corresponding to service agent module (being apply/third party software of third party) sent, its formation is as shown in table 4, comprises Ethernet protocol head and PS service response payload user data.
Table 4 downlink data 2 forms
| Ethernet protocol head (14B) | Payload user data (nB) |
Data collecting conversion module (being specially the second receiver module) catches by winpcap interface all Ethernet data bags that the network interface card 2 of PC1 is received from PC2, and the front 14B of these packets is Ethernet protocol heads, after be PS service response payload user data.Data collecting conversion module (being specially the second modular converter) is first peeled Ethernet protocol head off, then by the interface function (as function pcap_loop) of winpcap interface, obtain the information of the object IP address of IP protocol header in packet, search accordingly the UE that this packet is corresponding, if can find, GTP_U protocol header corresponding to this UE on just adding before payload user data, structure downlink data 1, as shown in table 5.
Table 5 downlink data 1 forms
| GTP_U head | Payload user data (nB) |
Then, Data collecting conversion module (being specially the second sending module), by the udp port of the Socket mode of Windows, is issued RNC by downlink data 1.If Data collecting conversion module less than UE, illustrates that this packet is the invalid data that the network interface card 2 of PC1 is received by object IP address search, (discard module) directly abandons these data, so just realized the processing to descending PS business datum.
Pass through the present embodiment, adopt and be deployed in respectively two Data collecting conversion module and service agent modules on PC, between module, by certainly organizing the mode of Ethernet protocol head, transmit PS business datum, Data collecting conversion module is responsible for the processing forward of PS business data packet, and Data collecting conversion module has realized the processing to uplink and downlink PS business datum by winpcap development interface; Service agent module is responsible for realizing concrete PS business, and the function of service agent module can realize by disposing different third party softwares according to different business demands, and can realize the different business of simultaneously supporting by dispose a plurality of software simultaneously.With respect to the current pattern of utilizing business communication system exploitation Teaching Equipment, Data collecting conversion module and the service agent module of the present embodiment do not need special hardware platform, and therefore Teaching Equipment entire system development cost significantly reduces; And it is clear that the Data collecting conversion module that the present embodiment adopts and the modular structure function of service agent module are divided, the function of service agent module can be used a lot of free third party softwares to realize, and flexible configuration is convenient, and use cost is cheap.In a word, the mobile communication tutoring system of application the present embodiment, the processing that realizes core net PS service surface packet does not have special performance requirement to hardware system, adopts pure windows program mode (PM) to realize, only need to operate in common PC upper, hardware cost is cheap.
Embodiment tetra-
With reference to Fig. 6, show according to the flow chart of steps of a kind of PS business data processing method of the embodiment of the present application four.
The PS business data processing method of the present embodiment can be applied to, in mobile communication tutoring system or other laboratory testing system, comprise the following steps:
Step S302: data processing equipment receives the PS business data packet of using wireless communication protocol encapsulation from RNC, is converted to PS business data packet the Ethernet data bag that uses Ethernet protocol encapsulation.
Preferably, data processing equipment receives the PS business data packet of using wireless communication protocol encapsulation from RNC by udp port.
Step S304: data processing equipment, according to the network of the instruction access data processing equipment outside of Ethernet data bag indication, returns to according to access result the PS service response packet that uses Ethernet protocol encapsulation.
Preferably, data processing equipment can be by the third party's application/third party software setting in advance, according to the network of the instruction access data processing equipment outside of Ethernet data bag indication.
Step S306: data processing equipment, by using the PS service response packet of Ethernet protocol encapsulation to be converted to after the packet that uses wireless communication protocol encapsulation, sends to RNC.
Preferably, data processing equipment will use the Packet Generation of wireless communication protocol encapsulation to RNC by udp port.
Preferably, when PS business data packet comprises GTP_U packet header and PS business datum payload, the step that in step S302, PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation comprises: use Ethernet protocol packet header to replace GTP_U packet header, Ethernet protocol packet header and PS business datum payload are configured to Ethernet data bag.
Preferably, when PS service response packet comprises Ethernet protocol packet header and PS service response payload user data, the step that step S306 is converted to by the PS service response packet that uses Ethernet protocol encapsulation the packet that uses wireless communication protocol encapsulation comprises: from PS service response payload user data, obtain object IP address, preferably, use the function of winpcap interface from PS service response payload user data, to obtain object IP address, according to object IP address, determine UE, construct the GTP_U packet header that this UE is corresponding; Use this GTP_U packet header of structure to replace the Ethernet protocol packet header in PS service response packet, this GTP_U packet header and PS service response payload user data are configured to the packet that uses wireless communication protocol to encapsulate.
Preferably, if cannot determine UE according to object IP address, abandon this PS service response packet.
Preferably, the data processing equipment in the present embodiment comprises the first computer and the second computer that uses Ethernet card to be connected; The first computer receives the PS business data packet of using wireless communication protocol encapsulation from RNC, PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation, and sends to second computer by winpcap interface; Second computer receives Ethernet data bag, according to the network of the instruction access data processing equipment outside of Ethernet data bag indication, according to access result, returns to the PS service response packet that uses Ethernet protocol encapsulation to the first computer; The first computer receives the PS service response packet that uses Ethernet protocol encapsulation by winpcap interface, PS service response packet is converted to after the packet that uses wireless communication protocol encapsulation, sends to RNC.
Preferably, the first computer is connected in the out link of PS service surface of RNC by the first Ethernet card, by the second Ethernet card, be connected with second computer; Second computer is connected with the second Ethernet card by three-ethernet card, is connected to the network of data processing equipment outside by the 4th Ethernet card.
By the present embodiment, usage data processing unit can provide the function of the true PS business of core net, does not need special hardware platform, and therefore entire system development cost is significantly reduced; In addition, can be according to user's request, realize concrete PS business in any suitable manner, as used a lot of free third party's application/software to realize various concrete PS business, thereby for user provides various experience scenes, effectively meet user training demand, and flexible configuration is convenient, use cost is cheap.
The application provides a kind of core net (CN) to process the scheme of PS domain business data bag, efficiently solve following problem: (1) commercial equipment of the core network system configuration is very complicated, development cost is high, need special-purpose high-performance hardware platform, the core net Teaching Equipment system development costs carrying out on this basis after function is deleted is still higher, the buying threshold of entire system is higher, cannot meet the cost requirement of vast educational institution; (2) commercial system is carried out after function deletes, cannot supporting miscellaneous true value-added service to experience, some simple analog services demonstrations can only be provided, cannot meet the Functional Requirement of tutoring system.
With respect to the current pattern of utilizing business communication system exploitation Teaching Equipment, the application's scheme does not need special hardware platform, and therefore Teaching Equipment entire system development cost significantly reduces; It is clear that the modular structure function that the application adopts is divided, and can use a lot of free third party softwares to realize various concrete PS business, and flexible configuration is convenient, and use cost is cheap.By the application, in reservation, provide under the prerequisite of the true PS business of core net, greatly reduced the cost that system realizes.
It should be noted that, the application's scheme not only can be applicable to mobile communication tutoring system, can also be applied to all except commercial grand network communication system systematic function, capacity performance index are required in little system, concrete practical application can also comprise laboratory test instrumentation etc.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.For embodiment of the method, description fairly simple, relevant part is referring to the part explanation of system embodiment.
A kind of mobile communication tutoring system and the PS business data processing method that above the application are provided, be described in detail, applied specific case herein the application's principle and execution mode are set forth, the explanation of above embodiment is just for helping to understand the application's method and core concept thereof; Meanwhile, for one of ordinary skill in the art, the thought according to the application, all will change in specific embodiments and applications, and in sum, this description should not be construed as the restriction to the application.
Claims (9)
1. a mobile communication tutoring system, is characterized in that, comprising:
Data collecting conversion module, for receive the packet switching PS business data packet of using wireless communication protocol encapsulation from radio network controller (RNC), described PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation, described Ethernet data bag is sent to service agent module; And, receive the PS service response packet of the described Ethernet protocol encapsulation of use that described service agent module returns, described PS service response packet is converted to after the packet that uses wireless communication protocol encapsulation, send to described RNC;
Described service agent module, be used for receiving described Ethernet data bag, according to the network of the instruction access mobile communication tutoring system outside of described Ethernet data bag indication, according to access result, to described Data collecting conversion module, return to the described PS service response packet that uses described Ethernet protocol encapsulation;
Described Data collecting conversion module comprises:
The first receiver module, for receive the described PS business data packet of using wireless communication protocol encapsulation from RNC, described PS business data packet comprises GPRS Tunnel Protocol GTP_U packet header and the PS business datum payload of user level;
The first modular converter, for using Ethernet protocol packet header to replace described GTP_U packet header, is configured to described Ethernet data bag by described Ethernet protocol packet header and described PS business datum payload;
The first sending module, for sending to described service agent module by described Ethernet data bag;
The second receiver module, for receiving the described PS service response packet of the described Ethernet protocol encapsulation of use that described service agent module returns, described PS service response packet comprises Ethernet protocol packet header and PS service response payload user data;
The second modular converter, for obtaining object IP address from described PS service response payload user data, according to described object IP address, determine user equipment (UE), construct the GTP_U packet header that this UE is corresponding, use this GTP_U packet header of structure to replace the described Ethernet protocol packet header in described PS service response packet, this GTP_U packet header and described PS service response payload user data are configured to the packet that described use wireless communication protocol encapsulates;
The second sending module, for giving described RNC by the described Packet Generation of described the second modular converter structure.
2. system according to claim 1, is characterized in that, described the first receiver module user data pack protocol udp port, receives the described PS business data packet that described RNC sends by Iu interface; Described the second sending module is used described udp port, by the described Packet Generation of described the second modular converter structure, gives described RNC.
3. system according to claim 1, is characterized in that, described Data collecting conversion module and described service agent module are arranged at respectively on different computers;
The computer at described Data collecting conversion module place is connected in the out link of PS service surface of described RNC by the first Ethernet card, by the second Ethernet card, be connected with the computer at described service agent module place;
The computer at described service agent module place is connected with described the second Ethernet card by three-ethernet card, is connected to the network of described mobile communication tutoring system outside by the 4th Ethernet card.
4. system according to claim 3, is characterized in that,
Described the first sending module, by winpcap interface, sends to described service agent module by described Ethernet data bag; Described the second receiver module is by described winpcap interface, receives the described PS service response packet of the described Ethernet protocol encapsulation of use that described service agent module returns.
5. system according to claim 1, is characterized in that, described the second modular converter, by winpcap interface, obtains described object IP address from described PS service response payload user data.
6. system according to claim 1, is characterized in that, described Data collecting conversion module also comprises discard module, if cannot determine UE according to described object IP address for described the second modular converter, abandons described PS service response packet.
7. system according to claim 1, is characterized in that,
Described service agent module, be used for receiving described Ethernet data bag, instruction according to described Ethernet data bag indication is applied by the third party who sets in advance, access the network of described mobile communication tutoring system outside, and to described Data collecting conversion module, return to according to access result the described PS service response packet that uses described Ethernet protocol encapsulation.
8. a packet switching PS business data processing method, is characterized in that, comprising:
Data processing equipment receives the PS business data packet of using wireless communication protocol encapsulation from radio network controller (RNC), described PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation;
According to the network of data processing equipment outside described in the instruction access of described Ethernet data bag indication, according to access result, return to the PS service response packet that uses described Ethernet protocol encapsulation;
By using the described PS service response packet of described Ethernet protocol encapsulation to be converted to after the packet that uses wireless communication protocol encapsulation, send to described RNC;
Described PS business data packet comprises GPRS Tunnel Protocol GTP_U packet header and the PS business datum payload of user level, and the described step that described PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation comprises:
Use Ethernet protocol packet header to replace described GTP_U packet header, described Ethernet protocol packet header and described PS business datum payload are configured to described Ethernet data bag;
Described PS service response packet comprises Ethernet protocol packet header and PS service response payload user data, and the step that the described described PS service response packet by the described Ethernet protocol encapsulation of use is converted to the packet that uses wireless communication protocol encapsulation comprises:
From described PS service response payload user data, obtain object IP address, according to described object IP address, determine user equipment (UE), construct the GTP_U packet header that this UE is corresponding;
Use this GTP_U packet header of structure to replace the described Ethernet protocol packet header in described PS service response packet, this GTP_U packet header and described PS service response payload user data are configured to the packet that described use wireless communication protocol encapsulates.
9. method according to claim 8, is characterized in that, described data processing equipment comprises the first computer and the second computer that uses Ethernet card to be connected;
Described the first computer receives the described PS business data packet of using wireless communication protocol encapsulation from described RNC, described PS business data packet is converted to the Ethernet data bag that uses Ethernet protocol encapsulation, and sends to described second computer by winpcap interface;
Described second computer receives described Ethernet data bag, according to the network of data processing equipment outside described in the instruction access of described Ethernet data bag indication, according to access result, to described the first computer, return to the described PS service response packet that uses described Ethernet protocol encapsulation;
Described the first computer receives the described PS service response packet of described use Ethernet protocol encapsulation by described winpcap interface, described PS service response packet is converted to after the packet that uses wireless communication protocol encapsulation, sends to described RNC.
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| CN110830425B (en) * | 2018-08-13 | 2022-03-01 | 视联动力信息技术股份有限公司 | Business object processing method and system |
| CN114630382B (en) * | 2022-03-30 | 2024-04-23 | 阿里巴巴（中国）有限公司 | Data processing method and system based on wireless network |
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