CN101841822B - Simulator for stimulating wireless data access and method for stimulating wireless data access - Google Patents
Simulator for stimulating wireless data access and method for stimulating wireless data access Download PDFInfo
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- CN101841822B CN101841822B CN 200910128552 CN200910128552A CN101841822B CN 101841822 B CN101841822 B CN 101841822B CN 200910128552 CN200910128552 CN 200910128552 CN 200910128552 A CN200910128552 A CN 200910128552A CN 101841822 B CN101841822 B CN 101841822B
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Abstract
The invention discloses a simulator for stimulating wireless data access which is between user terminal equipment and packet data service equipment of a wireless communication system, wherein the user terminal equipment is provided with a virtual serial port; the simulator comprises a first communication module, a second communication module and a message conversion module; the first communication module is used for communicating with the user terminal equipment by the virtual serial port; the second communication module is used for carrying out wireless communication with the packet data service equipment; and the message conversion module is used for converting information between the information supported by the user terminal equipment and the information supported by the packet data service equipment and transmitting the converted information through the first communication module or the second communication module. The simulator of the invention can be used as the base station of a wireless data access card and the wireless communication system in the process of wireless data access, thus greatly facilitating the test of wireless packet call. In addition, the invention also discloses the user terminal equipment and a method using the simulator to simulate wireless data access.
Description
Technical field
The present invention relates to the communications field, specifically, relate to the analogue technique of wireless data access.
Background technology
Along with the development of wireless communication technology, subscriber terminal equipment has obtained general application via the wireless communication system access the Internet.Usually, subscriber terminal equipment dials by the wireless data access card, be linked in the base station of wireless communication system, and be connected to packet data service equipment by the base station, again via this packet data service equipment connection to the internet.
At present, when the test packet radio is called out, usually need to use real wireless data access environment, be the base station of real wireless data access card, wireless communication system and packet data service equipment etc., this is so that the packet radio call testing is subject to the impact of hardware environment, and when a plurality of users test, can not realize sharing of multi-user.
Summary of the invention
The present invention proposes in view of above-mentioned technical problem just, its purpose be to provide a kind of between the packet data service equipment of subscriber terminal equipment and wireless communication system the simulator of artificial antenna data access and the subscriber terminal equipment that comprises this simulator, wherein simulator can be used as the base station of wireless data access card and wireless communication system in the process of artificial antenna data access, thereby the test that has made things convenient for to a great extent packet radio to call out, and need not real wireless data access card and base station.Another object of the present invention also is to provide a kind of method of using simulator artificial antenna data access.
According to an aspect of the present invention, provide a kind of between the packet data service equipment of subscriber terminal equipment and wireless communication system the simulator of artificial antenna data access, wherein, described subscriber terminal equipment has virtual serial port, described simulator comprises: first communication module is used for communicating with the virtual serial port of described subscriber terminal equipment; Second communication module is used for carrying out radio communication with described packet data service equipment; And modular converter, be used between the message that message that described subscriber terminal equipment is supported and described packet data service equipment are supported, carrying out message conversion, and the message after will change is passed through described second communication module or described first communication module transmits.
According to a second aspect of the invention, provide a kind of subscriber terminal equipment, have virtual serial port and aforesaid simulator, wherein said virtual serial port is configured to and can communicates with described simulator.
According to a third aspect of the present invention, a kind of method of using aforesaid simulator artificial antenna data access is provided, comprise: set up wired or wireless the connection between described simulator and subscriber terminal equipment, wherein said subscriber terminal equipment has and is configured to the virtual serial interface that can communicate with described simulator; Between the packet data service equipment of described simulator and wireless communication system, set up wireless connections; And between described subscriber terminal equipment and described packet data service equipment, set up point to point connect via described simulator.
Description of drawings
Fig. 1 illustrate according to an embodiment of the invention between the packet data service equipment of subscriber terminal equipment and wireless communication system the schematic block diagram of the simulator of artificial antenna data access;
Fig. 2 illustrates the indicative flowchart of the method for use simulator artificial antenna data access according to an embodiment of the invention;
The indicative flowchart of the artificial antenna data access when Fig. 3 is illustrated in wireless communication system and is the personal call system.
Embodiment
Believe that by below in conjunction with the detailed description of accompanying drawing to specific embodiments of the invention, above and other objects of the present invention, feature and advantage will be more obvious.
Fig. 1 illustrate according to an embodiment of the invention between the packet data service equipment 600 of subscriber terminal equipment 500 and wireless communication system the schematic block diagram of the simulator 100 of artificial antenna data access.Below in conjunction with accompanying drawing, present embodiment is described in detail.
In the present embodiment, subscriber terminal equipment 500 has virtual serial port, such as virtual COM port etc.Further, subscriber terminal equipment 500 can be computer, portable terminal etc.
As shown in Figure 1, comprise according to the simulator 100 of present embodiment: first communication module 101, it communicates via virtual serial port and subscriber terminal equipment 500; Second communication module 102, itself and packet data service equipment 600 carry out radio communication; And message conversion module 103, be used between the message that message that subscriber terminal equipment 500 is supported and packet data service equipment 600 are supported, carrying out message conversion, and the message after will change is passed through second communication module 102 or first communication module 101 transmits.
In this simulator 100, first communication module 101 is communicated by letter with subscriber terminal equipment 500 via the virtual serial port of subscriber terminal equipment 500.For this reason, need in advance this virtual serial port to be configured, comprising: the IP address of the IP address of destination node being arranged to simulator 100.By this configuration, can between first communication module 101 and subscriber terminal equipment 500, set up TCP/IP and be connected, and then carry out wireless data access on the basis that this TCP/IP connects, for example, dial by point-to-point protocol (PPP).Therefore, when subscriber terminal equipment 500 was initiated the dialing request via virtual serial port, first communication module 101 and subscriber terminal equipment 500 were realized the function of wireless data access card.
According to the type of packet data service equipment 600 residing wireless communication systems, second communication module 102 is correspondingly set up and the communicating by letter of packet data service equipment 600.Therefore, second communication module 102 has the function of the base station of wireless communication system.In the present embodiment, wireless communication system can be personal call system (PHS), based on the communication system of code division multiple access (CDMA) or global system for mobile communications (GSM) etc.For a person skilled in the art, communicating by letter between base station in wireless communication system and the packet data service equipment is known, and the description thereof will be omitted herein.
In this message conversion module 103, after receiving message by first communication module 101 from subscriber terminal equipment 500, encapsulation unit 1031 is according to the type of wireless communication system, the message that receives is encapsulated, and the message after the encapsulation sends to packet data service equipment 600 by second communication module 102.
For the control message that packet data service equipment 600 sends, simulator 100 is directly processed, and need not to be transmitted to subscriber terminal equipment 500, and therefore, 103 of message conversion module need conversion from the data-message of packet data service equipment 600.
After receiving data-message by second communication module 102 from packet data service equipment 600, the form of the message that decapsulation unit 1032 is supported according to subscriber terminal equipment 500, the data-message that receives is carried out decapsulation, and send to subscriber terminal equipment 500 by first communication module 101.
When wireless communication system was the PHS system, packet data service equipment 600 was PHS packet data servers, and it uses personal call nested design management agreement (PPMP) to carry out the transmission of message.In this case, the encapsulation unit 1031 of simulator 100 can comprise: selected cell, and it selects current available switched virtual circuit (SVC) (SVC); And filler cells, it fills the message from subscriber terminal equipment 500 in selected switched virtual circuit (SVC), to generate personal call nested design management agreement (PPMP) message.And decapsulation unit 1032 comprises: the payload extraction unit, and it takes out payload from the PPMP data-message from packet data service equipment 600; And coding unit, it is encoded to the payload of obtaining, to generate the data-message that will send to subscriber terminal equipment 500.
When wireless communication system was based on the communication system of CDMA, packet data service equipment 600 was packet data serving nodes, and message conversion module 103 adopts generic route encapsulation (GRE) agreement to carry out the encapsulation of message.In this case, encapsulation unit 1031 will be encapsulated as from the message of user's terminal equipment 500 the GRE payload, and 1032 pairs of data-messages from packet data service equipment 600 of decapsulation unit carry out the GRE opening, to take out the data-message that will issue subscriber terminal equipment 500.
When wireless communication system was gsm communication system, message conversion module 103 can adopt generic route encapsulation (GRE) agreement or GPRS Tunnel Protocol (GTP) to carry out the encapsulation of message.In this case, encapsulation unit 1031 will carry out the GTP encapsulation or be encapsulated as the GRE payload from the message of user's terminal equipment 500, and the data-message from packet data service equipment 600 is carried out GTP to decapsulation unit or GRE seals off, to take out the data-message that will issue subscriber terminal equipment 500.
The simulator 100 of present embodiment can replace the base station of wireless data access card and wireless communication system, is used for the simulation of wireless data access.In the present embodiment, wireless data access is based on ppp protocol, and therefore, the message that subscriber terminal equipment 500 is supported is PPP message.The data-message that further, can also use High-Level Data Link Control (HDLC) message to support as subscriber terminal equipment 500.
Further, the simulator 100 of present embodiment also can comprise: configuration module 104, by this configuration module 104, the user can dispose the various situations of wireless data access simulation, comprising: dial-up success, dial unsuccessfully, call out switching, roaming etc.
Can find out by above description, can in the process of artificial antenna data access, be used as the base station of wireless data access card and wireless communication system according to the simulator 100 of present embodiment, thereby be very easy to the test that packet radio is called out, owing to need not real wireless data access card and base station, therefore, avoided the restriction of hardware environment.And, owing to communicate by virtual serial port, therefore, can realize that a plurality of users use simulator to carry out the test that packet radio is called out simultaneously.
Should be understood that, the simulator of present embodiment and each part thereof can be by such as very lagre scale integrated circuit (VLSIC) or gate array, realize such as the semiconductor of logic chip, transistor etc. or such as the hardware circuit of the programmable hardware device of field programmable gate array, programmable logic device etc., also can use the software of being carried out by various types of processors to realize, also can be realized by the combination of above-mentioned hardware circuit and software.
Under identical inventive concept, Fig. 2 illustrates the indicative flowchart of the method for use according to an embodiment of the invention simulator artificial antenna data access shown in Figure 1.For the part identical with aforesaid embodiment, suitably the description thereof will be omitted.
As shown in Figure 2, at step S201, connect between simulator and subscriber terminal equipment, wherein subscriber terminal equipment has and is configured to the virtual serial interface that can communicate with simulator.As previously mentioned, the virtual serial interface needs the IP address configuration of destination node is become the IP address of simulator, and like this, simulator can be set up TCP/IP with subscriber terminal equipment and be connected.Being connected between simulator and the subscriber terminal equipment can be wired or wireless form.
At step S205, between the packet data service equipment of simulator and wireless communication system, set up wireless connections.As previously mentioned, these wireless connections are simulators as being connected between the base station of wireless communication system and the packet data service equipment, and its establishment of connection process is known for those of ordinary skill in the art, and the description thereof will be omitted at this.
Then, at step S210, be connected setting up wireless block data transmission between subscriber terminal equipment and the packet data service equipment via simulator.
In the present embodiment, connecting an example that connects as wireless block data transmission with PPP describes.Certainly, those of ordinary skill in the art can understand, and can adopt other wireless block data transmission to connect.
PPP establishment of connection process is known for those of ordinary skill in the art, so present embodiment mainly is described aspect this PPP connects the processing of setting up the process from simulator.
Particularly, in step S210, subscriber terminal equipment sends the message relevant with setting up the PPP connection, such as LCP (LCP) message, authentication request message, IP control protocol (IPCP) message etc. by virtual serial port to simulator.Simulator is changed the message that receives according to the type of wireless communication system, the message of being supported to obtain packet data service equipment, and send it to packet data service equipment.Packet data service equipment produces corresponding response message after receiving these message, such as LCP acknowledge message, authenticate-acknowledge message etc., and send it to simulator.Simulator converts the response message that receives to message that subscriber terminal equipment is supported, and sends to subscriber terminal equipment.Like this, after through stages such as link establishments, authentication, parameter negotiation, between subscriber terminal equipment and packet data service equipment, set up PPP and be connected.
Connect for PPP, the message that subscriber terminal equipment is supported is PPP message.
Further, at step S215, connect transmitting data at the wireless block data transmission of setting up.
Particularly, the data-message that sends for subscriber terminal equipment, simulator converts the data-message that receives to data-message that packet data service equipment is supported after receiving data-message, and the data-message after will changing sends to packet data service equipment.For the data-message that packet data service equipment sends, simulator converts thereof into the data-message that subscriber terminal equipment is supported after reception, and the data-message after will changing sends to subscriber terminal equipment.
Connect for PPP, except PPP message, the data-message that subscriber terminal equipment is supported can also adopt HDLC message.
For dissimilar wireless communication systems, simulator adopts different agreements to carry out the conversion of message/data message.For example, for the PHS communication system, use the PPMP agreement; For the communication system based on CDMA, use the GRE agreement; For gsm system, use GTP agreement or GRE agreement.
The below specifies the process of using simulator artificial antenna data access take PHS system and cdma communication system as example, and wherein subscriber terminal equipment adopts PPP dial-up access internet, and adopts HDLC message as data-message.
The indicative flowchart of the artificial antenna data access when Fig. 3 is illustrated in wireless communication system and is the PHS system.
As shown in Figure 3, at first, subscriber terminal equipment is set up TCP with simulator and is connected, and then, subscriber terminal equipment sends PPP dial message, such as LCP message, authentication request message, IPCP message etc. to simulator.Simulator is processed it after receiving the PPP dial message, connects with the PHS packet data server simultaneously.In order to prevent causing the user to think that the PPP dial-up operation is unsuccessful by mistake owing to the subscriber terminal equipment stand-by period is long, simulator can also send PPP dial-up connection message to subscriber terminal equipment.The PPP dial message of simulator to receiving generates the PPMP binding message, and selects idle switched virtual circuit (SVC) SVC, by this SVC the PPMP binding message sent to the PHS grouping service.The PHS grouping service generates response message, turns back to simulator.If response message is the PPMP control message, then simulator is directly processed, and need not to be transmitted to subscriber terminal equipment.If response message is the PPMP data-message, then simulator takes out payload from the PPMP data-message, and payload is encoded, and meets the data-message of the form of the data-message that subscriber terminal equipment supported with generation.Simulator is issued subscriber terminal equipment with the data-message that generates.Like this, by stages such as link establishment, authentication, parameter negotiations, can between subscriber terminal equipment and PHS grouping service, set up PPP and be connected.
Connect the data-message that transmits for what subscriber terminal equipment sent subsequently at PPP, simulator selects to distribute to an idle SVC of this subscriber terminal equipment, and in this SVC, fill the data-message that receives, generating the PPMP data-message, and this PPMP data-message is sent to the PHS grouping service.
For cdma communication system, when setting up PPP being connected between subscriber terminal equipment and packet data serving node, the PPP dial message that simulator sends subscriber terminal equipment is such as LCP message etc., be packaged into the GRE payload, and send to packet data serving node.When packet data serving node returned response message, simulator carries out GRE with the response message that receives to be sealed off, and the message after will sealing off sends to subscriber terminal equipment.When transfer of data is carried out in the PPP connection of setting up, simulator carries out similar message conversion for the data-message from subscriber terminal equipment and packet data serving node to be processed.
Although more than by some exemplary embodiments describe in detail of the present invention between the packet data service equipment of subscriber terminal equipment and wireless communication system the simulator, subscriber terminal equipment of artificial antenna data access and the method for using simulator artificial antenna data access, but above these embodiment are not exhaustive, and those skilled in the art can realize variations and modifications within the spirit and scope of the present invention.Therefore, the present invention is not limited to these embodiment, and scope of the present invention is only defined by the appended claims.
Claims (17)
1. the simulator of an artificial antenna data access between the packet data service equipment of subscriber terminal equipment and wireless communication system, wherein, described subscriber terminal equipment has virtual serial port, and described simulator comprises:
First communication module is used for communicating via described virtual serial port and described subscriber terminal equipment;
Second communication module is used for carrying out radio communication with described packet data service equipment; And
Message conversion module be used for carrying out message conversion between the message that message that described subscriber terminal equipment is supported and described packet data service equipment are supported, and the message after will change is passed through described second communication module or described first communication module transmits.
2. simulator according to claim 1, wherein, described message conversion module comprises:
Encapsulation unit is used for the type according to described wireless communication system, and the message from described subscriber terminal equipment is encapsulated; And
Decapsulation unit, the form for the message of supporting according to described subscriber terminal equipment carries out decapsulation to the data-message from described packet data service equipment.
3. simulator according to claim 2, wherein, described wireless communication system is the personal call system;
Described encapsulation unit comprises:
Selected cell is used for selecting available switched virtual circuit (SVC); And
Filler cells is used in the message of selected switched virtual circuit (SVC) filling from described subscriber terminal equipment, to generate personal call nested design management agreement PPMP message;
Described decapsulation unit comprises:
The payload extraction unit is used for taking out payload from the PPMP data-message from described packet data service equipment; And
Coding unit is used for the payload of obtaining is encoded, to generate the data-message that will send to described subscriber terminal equipment.
4. simulator according to claim 2, wherein, described wireless communication system is based on the communication system of code division multiple access;
Described encapsulation unit is used for being encapsulated as from the message of described subscriber terminal equipment generic route encapsulation GRE payload;
Described decapsulation unit is used for that the data-message from described packet data service equipment is carried out GRE seals off, to take out the data-message that will issue described subscriber terminal equipment.
5. simulator according to claim 2, wherein, described wireless communication system is global system for mobile communications;
Described encapsulation unit is used for and will will carry out GPRS Tunnel Protocol GTP encapsulation or be encapsulated as generic route encapsulation GRE payload from the message of described subscriber terminal equipment;
Described decapsulation unit is used for the data-message from described packet data service equipment is carried out GTP or GRE opening, to take out the data-message that will issue described subscriber terminal equipment.
6. according to claim 1 to the described simulator of 5 any one, also comprise: configuration module is used for disposing the various situations that wireless data access is simulated by the user.
7. according to claim 1 to the described simulator of 5 any one, wherein, the message that described subscriber terminal equipment is supported is point-to-point protocol message.
8. simulator according to claim 6, wherein, the message that described subscriber terminal equipment is supported is point-to-point protocol message.
9. according to claim 1 to the described simulator of 5 any one, wherein, the data-message that described subscriber terminal equipment is supported is High-Level Data Link Control message.
10. simulator according to claim 6, wherein, the data-message that described subscriber terminal equipment is supported is High-Level Data Link Control message.
11. a subscriber terminal equipment has virtual serial port and according to claim 1 to the described simulator of 10 any one, wherein said virtual serial port is configured to and can communicates with described simulator.
12. a use comprises according to claim 1 to the method for the described simulator artificial antenna of 10 any one data access:
Connect between described simulator and subscriber terminal equipment, wherein said subscriber terminal equipment has and is configured to the virtual serial interface that can communicate with described simulator;
Between the packet data service equipment of described simulator and wireless communication system, set up wireless connections; And
Be connected setting up wireless block data transmission between described subscriber terminal equipment and the described packet data service equipment via described simulator.
13. method according to claim 12, wherein, it is point to point connect that described wireless block data transmission connects.
14. method according to claim 13 wherein, comprises setting up the step that wireless block data transmission is connected between described subscriber terminal equipment and the described packet data service equipment via described simulator:
Described simulator receives the message relevant with setting up point to point connect via the virtual serial interface transmission of described subscriber terminal equipment;
The message that described simulator becomes described packet data service equipment to support the message conversion relevant with setting up point to point connect that receives;
The message relevant with setting up point to point connect after described simulator is changed to described packet data service equipment transmission;
Described simulator receives the response message from described packet data service equipment;
Described simulator converts described response message to message that described subscriber terminal equipment is supported; And
Response message after described simulator will be changed sends to described subscriber terminal equipment, thereby sets up point to point connect.
15. to the described method of 14 any one, also comprise according to claim 12: connect transmitting data at the wireless block data transmission of setting up.
16. method according to claim 15, wherein, the step of described the transmission of data comprises:
Described simulator receives the data-message from described subscriber terminal equipment;
Described simulator converts the data-message that receives to data-message that described packet data service equipment is supported;
Data-message after described simulator is changed to described packet data service equipment transmission;
Described simulator receives the data-message from described packet data service equipment;
Described simulator converts described data-message to data-message that described subscriber terminal equipment is supported; And
Data-message after described simulator will be changed sends to described subscriber terminal equipment.
17. method according to claim 16, wherein, the data-message that described subscriber terminal equipment is supported is High-Level Data Link Control message.
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Citations (2)
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CN101005685A (en) * | 2007-01-16 | 2007-07-25 | Ut斯达康通讯有限公司 | Automatic detecting method and device for PHS communication system |
CN101031124A (en) * | 2006-03-03 | 2007-09-05 | 中兴通讯股份有限公司 | Platform for testing applied large-traffic volume of packet data service father in CDMA telecommunication system |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN101031124A (en) * | 2006-03-03 | 2007-09-05 | 中兴通讯股份有限公司 | Platform for testing applied large-traffic volume of packet data service father in CDMA telecommunication system |
CN101005685A (en) * | 2007-01-16 | 2007-07-25 | Ut斯达康通讯有限公司 | Automatic detecting method and device for PHS communication system |
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