CN101827326A - Method for maintaining link communication and device thereof - Google Patents
Method for maintaining link communication and device thereof Download PDFInfo
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- CN101827326A CN101827326A CN201010131114A CN201010131114A CN101827326A CN 101827326 A CN101827326 A CN 101827326A CN 201010131114 A CN201010131114 A CN 201010131114A CN 201010131114 A CN201010131114 A CN 201010131114A CN 101827326 A CN101827326 A CN 101827326A
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Abstract
The invention relates to a method for maintaining link communication. When a primary station needs to establish a link to a terminal, the method comprises the following steps that: A, the primary station reads the card number to which the terminal corresponds; B, the primary station initiates a call to the terminal; and C, the terminal checks whether the link is connected after receiving the call initiated by the primary station, if so, the terminal transmits data, otherwise, the terminal initiates a link request to the primary station and transmits the data after the link is established, wherein after the data is transmitted, if no data is received and transmitted in the link all the time, the link is cut off after a period of time. A device for implementing the method comprises the primary station and at least one terminal, wherein both the primary station and the terminal comprise a link communication module; the primary station stores the SIM card number of each terminal; the primary station also comprises a terminal call module; the terminal stores the SIM card number of the primary station; and the terminal also comprises a primary station call-receiving device and a primary station call module-identifying device.
Description
Technical field
The invention belongs to wireless communication technology field, being specifically related to a kind of GPRS of employing or CDMA module utilizes the GPRS of operator or cdma network to be connected with main website, and encapsulate the maintenance link methodology and the device thereof of the link communication of the long-range connectivity problem that solution that can be actual is wireless by the mode of ICP/IP protocol.
Background technology
Wireless communication technology and networking industry have developed into comparative maturity, to the application of GPRS and CDMA also more and more widely, electric power for example, water utilities is checked meter, environment monitoring or the like all needs wireless communication technology to communicate, and no matter adopt based on TCP still is the communication means of UDP, and all have a restriction: this link does not have data traffic at certain hour, and the priority that will reduce this link automatically is until forcing to disconnect this link.Keep this link so can adopt heartbeat packet in actual use.And adopt heartbeat packet no doubt can keep link, but of long duration, can increase many useless data traffics, increased the expense of communication.
On radio communication with the mode of timed sending heartbeat packet undoubtedly the client to bear more cost issues, if communicate and need not send heartbeat packet at ordinary times and can in needs communication, initiatively be connected to main website, that just no longer needs to keep link with the method that sends heartbeat packet, thereby can reduce the flow cost saving.
Radio communication (GPRS or the CDMA) transmission of data is nothing but with regard to both direction, and the one, main website arrives terminal, and the 2nd, terminal arrives main website, and the crucial problem that will solve is:
Terminal is sent out data to main website, and both terminal active reported data did not exist problem from this aspect, and when terminal needs to send data, and terminal just sends linking request to main website.In case link successfully and just can send out data to main website, send data after, if link never has data transmit-receive, after a period of time with regard to disconnecting link.
Data are sent out to terminal by main website, and the not connection of link at this moment, and connection request is sent to main website from terminal, so main website has no idea toward terminal to send out data when link does not connect, so the problem that will solve this moment is how main website notifies terminal, allow terminal initiate the link connection request.
Summary of the invention
The present invention is directed to above-mentioned problems corrects, make product not needing to keep the connection of link at ordinary times, with the attenuating communication flows, and when needs send data, not only can initiatively send linking request, can also send linking request to terminal by main website by terminal to main website.
Concrete technical scheme is:
A kind of method that keeps link communication, when main website need be when terminal be set up link, it may further comprise the steps:
A. the card number of main website reading terminals correspondence;
B. main website makes a call to terminal;
C. after terminal receives the calling of main website initiation, check whether link connects,
Just send data as linking; Otherwise
Just initiate linking request to main website, set up the link back and send data;
D. the link of Jian Liing is not after a period of time has data flow, disconnecting link.
The calling that described B step main website initiates to terminal is a note.
The calling that described B step main website initiates to terminal is for dialing mobile phone.
Mode head it off by note or calling.Wireless communication GPRS or the CDMA generally mode of the SIM card by SIM card or private network communicate by letter, and every SIM card all has corresponding number, we just can wail the SIM card number of the terminal that will communicate by letter by this number by main website like this, perhaps send note to this card, terminal is once receiving that calling or note connect to main website initiation link, thereby just can set up a communication channel, main website just can issue data and communicated this moment, after sending data, if link never has data transmit-receive, after a period of time with regard to disconnecting link.
A kind of device of realizing the method for above-mentioned maintenance link communication, it comprises main website and at least one terminal, described main website and described terminal all include the link communication module, and the storage of described main website has the SIM card number of each terminal, and described main website also comprises the terminal call module; Described terminal storage has the SIM card number of main website, and described terminal comprises main website calling receiving system and main website calling module recognition device.
The terminal call module of described main website is a SMS module, and it is the note receiving system that receiving system is called out by the main website of described terminal, and the main website calling module recognition device of described terminal is the note recognition device.
With calling out or note is waken terminal up, the method that the connection that allows terminal initiate link communicates again with keep the flow that link can be saved data with the mode of heartbeat, reduction expense, and on communicating by letter, also satisfying the demands.Bring corresponding society and economic benefit.
Description of drawings
Fig. 1 is the foundation link process chart of the embodiment of the invention.
Embodiment
Describe the present invention by the following examples, should be noted that, cited embodiment should not understand the restriction to invention.
As shown in the figure: a kind of method that keeps link communication of present embodiment, when main website need be when terminal be set up link, it may further comprise the steps:
A. the card number of main website reading terminals correspondence;
B. main website makes a call to terminal;
C. after terminal receives the calling of main website initiation, check whether link connects, just send data as linking; Otherwise
Just initiate linking request to main website, set up the link back and send data;
D. the link of Jian Liing is not after a period of time has data flow, disconnecting link.
The calling that described B step main website initiates to terminal is a note.
Mode head it off by note or calling.Wireless communication GPRS or the CDMA generally mode of the SIM card by SIM card or private network communicate by letter, and every SIM card all has corresponding number, we just can wail the SIM card number of the terminal that will communicate by letter by this number by main website like this, perhaps send note to this card, terminal is once receiving that calling or note connect to main website initiation link, thereby just can set up a communication channel, main website just can issue data and communicated this moment, after sending data, if link never has data transmit-receive, after a period of time with regard to disconnecting link.
A kind of device of realizing the method for above-mentioned maintenance link communication, it comprises main website and at least one terminal, described main website and described terminal all include the link communication module, and the storage of described main website has the SIM card number of each terminal, and described main website also comprises the terminal call module; Described terminal storage has the SIM card number of main website, and described terminal comprises main website calling receiving system and main website calling module recognition device.
The terminal call module of described main website is a SMS module, and it is the note receiving system that receiving system is called out by the main website of described terminal, and the main website calling module recognition device of described terminal is the note recognition device.
With calling out or note is waken terminal up, the method that the connection that allows terminal initiate link communicates again with keep the flow that link can be saved data with the mode of heartbeat, reduction expense, and on communicating by letter, also satisfying the demands.Bring corresponding society and economic benefit.
Present embodiment step of actual motion in system is as follows:
1. terminal electrifying startup, the initial wireless communication interface drives, and terminal initiates to communicate to connect request.
2. main website accepts connection request, allows terminal to connect, and sets up communication channel.
3. after main website and the terminal communication, if certain hour is no longer communicated by letter, terminal initiatively disconnects connection.
4. when terminal will send data to main website, the terminal active request connects, and connects to communicate after normal, does not have disconnecting link after the data communication in the certain hour.
5. when main website will issue data, be number after relevant terminal make a call or send short messages according to SIM card, wait for that terminal initiates connection request.Carry out data after connecting again and transmit, do not have disconnecting link after the data communication in the certain hour.
Obviously, foregoing is just in order to illustrate characteristics of the present invention, and is not limitation of the present invention, and the variation that the those of ordinary skill in relevant technologies field is made in the corresponding techniques field according to the present invention should belong to protection category of the present invention.
Claims (5)
1. a method that keeps link communication is characterized in that, when main website need be when terminal be set up link, it may further comprise the steps:
A. the card number of main website reading terminals correspondence;
B. main website makes a call to terminal;
C. after terminal receives the calling of main website initiation, check whether link connects,
Just send data as linking; Otherwise
Just initiate linking request to main website, set up the link back and send data;
D. the link of Jian Liing is not after a period of time has data flow, disconnecting link.
2. a kind of method that keeps link communication according to claim 1, its feature also is: the calling that described B step main website initiates to terminal is a note.
3. a kind of method that keeps link communication according to claim 1, its feature also is: the calling that described B step main website initiates to terminal is for dialing mobile phone.
4. the device of the method for realization such as any described maintenance link communication of claim 1-3, it comprises main website and at least one terminal, described main website and described terminal all include the link communication module, it is characterized in that: the storage of described main website has the SIM card number of each terminal, and described main website also comprises the terminal call module; Described terminal storage has the SIM card number of main website, and described terminal comprises main website calling receiving system and main website calling module recognition device.
5. a kind of maintenance link communication device according to claim 4, its feature also is: the terminal call module of described main website is a SMS module, it is the note receiving system that receiving system is called out by the main website of described terminal, and the main website calling module recognition device of described terminal is the note recognition device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010131114A CN101827326A (en) | 2010-03-22 | 2010-03-22 | Method for maintaining link communication and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010131114A CN101827326A (en) | 2010-03-22 | 2010-03-22 | Method for maintaining link communication and device thereof |
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| CN101827326A true CN101827326A (en) | 2010-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010131114A Pending CN101827326A (en) | 2010-03-22 | 2010-03-22 | Method for maintaining link communication and device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102984814A (en) * | 2012-12-05 | 2013-03-20 | 东信和平科技股份有限公司 | Large-scale GPRS (general packet radio service) terminal device networking method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1856129A (en) * | 2005-04-21 | 2006-11-01 | 北京海通嘉讯科技有限公司 | Apparatus and method for making communication between main station and substation via GPRS |
| CN101217438A (en) * | 2008-01-02 | 2008-07-09 | 江苏省电力公司 | An electric energy collection hybrid networking communication techniques |
| US20090265217A1 (en) * | 2006-04-13 | 2009-10-22 | Ajames Gmbh | System for triggering terminals |
-
2010
- 2010-03-22 CN CN201010131114A patent/CN101827326A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1856129A (en) * | 2005-04-21 | 2006-11-01 | 北京海通嘉讯科技有限公司 | Apparatus and method for making communication between main station and substation via GPRS |
| US20090265217A1 (en) * | 2006-04-13 | 2009-10-22 | Ajames Gmbh | System for triggering terminals |
| CN101217438A (en) * | 2008-01-02 | 2008-07-09 | 江苏省电力公司 | An electric energy collection hybrid networking communication techniques |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102984814A (en) * | 2012-12-05 | 2013-03-20 | 东信和平科技股份有限公司 | Large-scale GPRS (general packet radio service) terminal device networking method |
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Application publication date: 20100908 |