CN104270542B - A kind of method and device of raising Modem communication reliabilities - Google Patents
A kind of method and device of raising Modem communication reliabilities Download PDFInfo
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- CN104270542B CN104270542B CN201410472129.2A CN201410472129A CN104270542B CN 104270542 B CN104270542 B CN 104270542B CN 201410472129 A CN201410472129 A CN 201410472129A CN 104270542 B CN104270542 B CN 104270542B
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Abstract
The invention discloses a kind of method and device of raising Modem communication reliabilities, this method includes：Modem detects its Carrier State information in process of data communication；When detecting abnormal Carrier State information, on-hook；Judge whether the abnormal Carrier State information meets the default trigger condition for automatically adjusting transmission level；When judged result shows that the abnormal Carrier State information meets the default trigger condition for automatically adjusting transmission level, execution automatically adjusts transmission level event；Normal dialing flow is performed after execution automatically adjusts transmission level event.The method of the invention is automatically adjusted by software in the case of communication abnormality to Modem parameters, adaptive to solve, due to the problem of loss of carrier, improving Modem communication reliabilities caused by circuit, interchanger etc., to reduce the loss of manpower and materials.It the composite can be widely applied to modem communication reliability engineering field.
Description
Technical field
The present invention relates to modem technology, a kind of raising Modem communication reliabilities are specifically related to
Method and device.
Background technology
POS(point of sale：Point-of-sale terminal) it is a kind of multi-functional terminal end, it is arranged on the contributing business of bank card
Family and accept in site and to be unified into network with computer, can be achieved with electronic funds automatic account transfer, it, which has, supports consumption, pre-granted
The functions such as power, inquiry into balance and account transfer.
POS sends Transaction Information by connecting NAC net control devices by interchanger after dialing, and NAC processing Transaction Information is simultaneously
Backstage is issued in message form, backstage receives message and result is issued into NAC (Network Access after handling
Controller：Net control device), it is sent to POS after being handled through NAC.
POS points of wired and wireless terminals, catv terminal completes to merchandise using NET or telephone network with Background communication, wherein
Modem is used using the POS terminal of telephone network（Modem）, there is following circuit question in mechanics of communication：（1）POS is whole
The signal that end is sent passes through telecommunication line, sometimes becomes the very serious of decay, opposite end NAC net control devices can not be recognized normally, or
Person amplifies excessive and cuts top distortion by circuit.NAC net control devices can not receive suitable signal and disconnect the load that carrier wave causes end side
Ripple is lost；（2）When telecommunication line is optical fiber, optical fiber Modem opens the function of echo cancellor, when transmission level and receives
When signal difference is very big, the signal of a side is easy to be eliminated, and causes loss of carrier.
Prior art needs to be adjusted for the Modem Communications that different trade companies, different circuits, different backstages occur
Examination, provides solution, it is necessary to which technical staff's on-site support, expends substantial amounts of manpower and materials.
The content of the invention
In order to solve the above-mentioned technical problem, the first object of the present invention is to provide a kind of raising Modem communication reliabilities
Method.
The second object of the present invention is to provide a kind of device of raising Modem communication reliabilities.
First technical scheme of the present invention is：A kind of method of raising Modem communication reliabilities, this method bag
Include：
Modem detects its Carrier State information in process of data communication；When detecting abnormal Carrier State information, hang
Machine；
Judge whether the abnormal Carrier State information meets the default trigger condition for automatically adjusting transmission level；
When judged result shows that the abnormal Carrier State information meets the default triggering for automatically adjusting transmission level
Condition, execution automatically adjusts transmission level event；
Normal dialing flow is performed after execution automatically adjusts transmission level event.
It is preferred that, it is described to automatically adjust transmission level event, including sub-step：
S21, judge whether to automatically adjust file, the file that automatically adjusts is used to preserve pre- transmission level value order
With transmission level pointer P；If being not present, into step S22, enter step S23 if existing；
S22, establishment automatically adjust file, and pre- transmission level value is stored in order and automatically adjusted in file, transmission level
Pointer P is set to 0, and first pre- transmission level value is write into temporary variable, into step S24；
The content in file is automatically adjusted described in S23, reading；The transmission level pointer P is read, if value is not in scope
Or point to last level value, then P=0, otherwise P add 1, take transmission level pointer P to point to level value write-in temporary variable；
S24, the parameter for the level for being assigned to set data to send in Modem by the value of temporary variable send corresponding electricity to serial ports
Level values.
It is preferred that, there is loss of carrier or 20 transaction to be double in the trigger condition for automatically adjusting transmission level
The middle probability for loss of carrier occur reaches more than 30%.
Second technical scheme of the present invention is：A kind of device of raising Modem communication reliabilities, the device bag
Include：
Carrier State information detecting module：Its Carrier State information is detected in process of data communication for Modem；Detection
During to abnormal Carrier State information, on-hook；
Trigger condition judge module：For judging whether the abnormal Carrier State information meets default automatically adjust
The trigger condition of transmission level；
Automatically adjust transmission level performing module:For showing the abnormal Carrier State information symbol when judged result
The default trigger condition for automatically adjusting transmission level is closed, execution automatically adjusts transmission level event；
Dial module：For performing normal dialing flow after execution automatically adjusts transmission level event.
It is preferred that, it is described to automatically adjust transmission level event, including：
Judge module, for judging whether to automatically adjust file, the file that automatically adjusts is used to preserve pre- transmission
Level value order and transmission level pointer P；If being not present, creation module is performed；If in the presence of execution level value regulation mould
Block；
Creation module, automatically adjusts file for creating, pre- transmission level value is stored in order and automatically adjusted in file,
Transmission level pointer P is set to 0, and first pre- transmission level value is write into temporary variable, assignment module is performed；
Level value adjustment module, for reading the content automatically adjusted in file；Transmission level pointer P is read, if value
Not in scope or last level value is pointed to, then P=0, otherwise P adds 1, take transmission level pointer P to point to level value write-in and face
Variations per hour；
Assignment module, for the parameter of level that is assigned to set data to send in Modem by the value of temporary variable to serial ports
Send corresponding level value.
It is preferred that, there is loss of carrier or 20 friendships to be double in the trigger condition for automatically adjusting transmission level
The probability for loss of carrier occur in easily reaches more than 30%.
The present invention the first beneficial effect be：
The present invention is automatically adjusted by software in the case of communication abnormality to Modem parameters, is adaptively solved due to line
The problem of the problems such as road, interchanger caused loss of carrier, Modem communication reliabilities are improved, reduce the loss of manpower and materials.
The present invention the second beneficial effect be：
A kind of device of raising Modem communication reliabilities of the present invention, the problems such as adaptively solving due to circuit, interchanger
The problem of caused loss of carrier.
Brief description of the drawings
The embodiment to the present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of schematic flow sheet of the method for raising Modem communication reliabilities of the present invention；
Fig. 2 is to automatically adjust the embodiment schematic flow sheet of transmission level event in the method for the invention；
Fig. 3 is a kind of apparatus structure block diagram of raising Modem communication reliabilities of the present invention.
Embodiment
The principle and feature of invention are described below in conjunction with accompanying drawing, example is served only for explaining invention, not uses
In restriction the scope of the present invention.
Fig. 1 is a kind of schematic flow sheet of the method for raising Modem communication reliabilities of the present invention, as shown in figure 1, this method
Including：Modem detects its Carrier State information in process of data communication；When detecting abnormal Carrier State information, on-hook；
Judge whether the abnormal Carrier State information meets the default trigger condition for automatically adjusting transmission level, in the present embodiment
In preset and automatically adjust the trigger condition of transmission level and occur carrying in loss of carrier or 20 transaction to be double
The probability that ripple is lost reaches more than 30%；When judged result shows that the abnormal Carrier State information meets default automatic tune
The trigger condition of transmission level is saved, execution automatically adjusts transmission level event；Held after execution automatically adjusts transmission level event
Row normal dialing flow.
Fig. 2 is automatically adjusts the embodiment schematic flow sheet of transmission level event in the method for the invention, such as Fig. 2 institutes
Show, transmission level event package enclosed tool step is automatically adjusted in the present embodiment：
S21, judge whether to automatically adjust（autoadjust）File, the file that automatically adjusts is used to preserve pre- hair
Power transmission level values order and transmission level pointer P；If being not present, into step S22, enter step S23 if existing；
S22, establishment automatically adjust file, and pre- transmission level value is stored in order and automatically adjusted in file, transmission level
Pointer P is set to 0, and first pre- transmission level value is write into temporary variable temp, into step S24；
The content in file is automatically adjusted described in S23, reading；The transmission level pointer P is read, if value is not in scope
Or point to last level value, then P=0, otherwise P add 1, take transmission level pointer P to point to level value write-in temporary variable
temp；
S24, the parameter ATS91 for the level for being assigned to the value of temporary variable to set data to send in Modem are used as and send electricity
Level values, corresponding level value is sent to serial ports.
The invention also discloses a kind of device of raising Modem communication reliabilities, Fig. 3 improves Modem for the present invention is a kind of
The apparatus structure block diagram of communication reliability, as shown in figure 3, the device includes：The device includes：
Carrier State information detecting module：Its Carrier State information is detected in process of data communication for Modem；Detection
During to abnormal Carrier State information, on-hook；
Trigger condition judge module：For judging whether the abnormal Carrier State information meets default automatically adjust
The trigger condition of transmission level；The trigger condition of transmission level is automatically adjusted in the present embodiment to occur carrier wave to be double and lose
The probability for losing or loss of carrier occur in merchandising for 20 times reaches more than 30%.
Automatically adjust transmission level performing module:For showing the abnormal Carrier State information symbol when judged result
The default trigger condition for automatically adjusting transmission level is closed, execution automatically adjusts transmission level event；
Dial module：For performing normal dialing flow after execution automatically adjusts transmission level event.
It is described in the present embodiment to automatically adjust transmission level event, including：
Judge module, for judging whether to automatically adjust file, the file that automatically adjusts is used to preserve pre- transmission
Level value order and transmission level pointer P；If being not present, creation module is performed；If in the presence of execution level value regulation mould
Block；
Creation module, automatically adjusts file for creating, pre- transmission level value is stored in order and automatically adjusted in file,
Transmission level pointer P is set to 0, and first pre- transmission level value is write into temporary variable, assignment module is performed；
Level value adjustment module, for reading the content automatically adjusted in file；Transmission level pointer P is read, if value
Not in scope or last level value is pointed to, then P=0, otherwise P adds 1, take transmission level pointer P to point to level value write-in and face
Variations per hour；
Assignment module, for the parameter of level that is assigned to set data to send in Modem by the value of temporary variable to serial ports
Send corresponding level value.
The mechanism that transmission level uses file, autoadjust files are automatically adjusted in the specific embodiment of the invention
The pointer P of the level value of transmission level value order and current setting is preserved, if triggering, then this pointer P adds one, meeting simultaneously
S91 registers, that is, the level for setting Modem data to send are set according to the corresponding value of the pointer.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to embodiment, ripe
A variety of equivalent variations or replacement can also be made on the premise of without prejudice to spirit of the invention by knowing those skilled in the art, this
Equivalent deformation or replacement are all contained in the application claim limited range a bit.
Claims (4)
1. a kind of method of raising Modem communication reliabilities, it is characterised in that：This method includes：
Modem detects its Carrier State information in process of data communication；When detecting abnormal Carrier State information, on-hook；
Judge whether the abnormal Carrier State information meets the default trigger condition for automatically adjusting transmission level；
When judged result shows that the abnormal Carrier State information meets the default trigger condition for automatically adjusting transmission level,
Execution automatically adjusts transmission level event；
Normal dialing flow is performed after execution automatically adjusts transmission level event；
It is described to automatically adjust transmission level event, including sub-step：
S21, judge whether to automatically adjust file, the file that automatically adjusts is used to preserve pre- transmission level value order and hair
The flat pointer P of power transmission；If being not present, into step S22, enter step S23 if existing；
S22, establishment automatically adjust file, and pre- transmission level value is stored in order and automatically adjusted in file, transmission level pointer P
Set to 0, first pre- transmission level value is write into temporary variable, into step S24；
The content in file is automatically adjusted described in S23, reading；Read the transmission level pointer P, if value not in scope or
Last level value is pointed to, then P=0, otherwise P adds 1, take transmission level pointer P to point to level value write-in temporary variable；
S24, the parameter for the level for being assigned to set data to send in Modem by the value of temporary variable send corresponding level to serial ports
Value.
2. a kind of method of raising Modem communication reliabilities according to claim 1, it is characterised in that：The automatic tune
The trigger condition of section transmission level reaches for the double probability for occurring loss of carrier occur in loss of carrier or 20 transaction
More than 30%.
3. a kind of device of raising Modem communication reliabilities, it is characterised in that：The device includes：
Carrier State information detecting module：Its Carrier State information is detected in process of data communication for Modem；Detect different
During normal Carrier State information, on-hook；
Trigger condition judge module：Default transmission is automatically adjusted for judging whether the abnormal Carrier State information meets
The trigger condition of level；
Automatically adjust transmission level performing module:For showing that the abnormal Carrier State information meets default when judged result
The trigger condition for automatically adjusting transmission level, execution automatically adjust transmission level event；
Dial module：For performing normal dialing flow after execution automatically adjusts transmission level event；
It is described to automatically adjust transmission level event, including：
Judge module, for judging whether to automatically adjust file, the file that automatically adjusts is used to preserve pre- transmission level
Value order and transmission level pointer P；If being not present, creation module is performed；If in the presence of execution level value adjustment module；
Creation module, automatically adjusts file for creating, pre- transmission level value is stored in order and automatically adjusted in file, sends
Level pointer P is set to 0, and first pre- transmission level value is write into temporary variable, assignment module is performed；
Level value adjustment module, for reading the content automatically adjusted in file；Transmission level pointer P is read, if value does not exist
Scope points to last level value, then P=0, and otherwise P adds 1, takes transmission level pointer P to point to level value write-in interim
Variable；
Assignment module, the parameter of the level for the value of temporary variable to be assigned to set data to send in Modem is sent to serial ports
Corresponding level value.
4. a kind of device of raising Modem communication reliabilities according to claim 3, it is characterised in that：The automatic tune
The trigger condition of section transmission level reaches for the double probability for occurring loss of carrier occur in loss of carrier or 20 transaction
To more than 30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410472129.2A CN104270542B (en) | 2014-09-16 | 2014-09-16 | A kind of method and device of raising Modem communication reliabilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410472129.2A CN104270542B (en) | 2014-09-16 | 2014-09-16 | A kind of method and device of raising Modem communication reliabilities |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104270542A CN104270542A (en) | 2015-01-07 |
| CN104270542B true CN104270542B (en) | 2017-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410472129.2A Active CN104270542B (en) | 2014-09-16 | 2014-09-16 | A kind of method and device of raising Modem communication reliabilities |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05325039A (en) * | 1992-05-20 | 1993-12-10 | Nitsuko Corp | Pos device with monitor function |
| US7085316B1 (en) * | 2000-02-04 | 2006-08-01 | General Electric Co. | Method and apparatus for the control of modem transmit power |
| CN103237140B (en) * | 2013-03-28 | 2015-03-11 | 福建联迪商用设备有限公司 | Method for solving problems for modem |
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