CN102790649B - The device and method of commissioning radio-frequency SIM card and radio-frequency card reader communication distance - Google Patents
The device and method of commissioning radio-frequency SIM card and radio-frequency card reader communication distance Download PDFInfo
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- CN102790649B CN102790649B CN201110244448.4A CN201110244448A CN102790649B CN 102790649 B CN102790649 B CN 102790649B CN 201110244448 A CN201110244448 A CN 201110244448A CN 102790649 B CN102790649 B CN 102790649B
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Abstract
The invention provides a kind of device of commissioning communication distance of radio frequency SIM card, comprise master controller, for setting radio-frequency (RF) signal strength threshold values m; Radio-frequency antenna, for obtaining radio-frequency SIM card radio frequency power output value and radio-frequency SIM card radio-frequency (RF) signal strength value n; Radio-frequency (RF) transmit-receive circuit, is connected between radio-frequency antenna and master controller, for detecting and radio-frequency (RF) signal strength value n being sent to master controller; Master controller, also for the magnitude relationship according to m and n, is launched dependent instruction data and is increased to radio-frequency SIM card in order to control radio-frequency SIM card or reduce its output power value.The impact adopting device provided by the invention elimination mobile terminal radio frequency SIM card signal shielding to cause, ensure that Card Reader operating accuracy.The invention provides a kind of method of commissioning communication distance of radio frequency SIM card simultaneously.In addition, present invention also offers a kind of device and method of commissioning radio-frequency card reader communication distance.
Description
[technical field]
The present invention relates to the communications field, particularly relate to a kind of commissioning radio-frequency SIM card and to swipe the card the device and method of Distance geometry radio-frequency card reader communication distance.
[background technology]
Along with the needs of productive life, the subscriber identification modules (such as subscriber identification module can also be usim card or UIM card etc.) such as SIM (SubscriberIdentityModule, the subscriber identification module) card that mobile communication technology is used are more and more widely used.The development of the communication technology, bring technological change also to various subscriber identification module, in the subscriber identify module card card such as SIM card of common mobile communication terminal (hereinafter referred to as " mobile phone "), various smart circuit module is increased by various method, make through transformation subscriber identification module except there is basic subscriber identify module card function, also have other more to have the function of closeness to life, radio frequency user recognition module card such as (radio-frequency SIM card) is exactly one of them.Make it to become the SIM cards of mobile phones with payment function by transformation SIM cards of mobile phones, such mobile phone, except basic communication function, also has other functions such as such as credit card, gate inhibition, work attendance concurrently.Radio-frequency SIM card involved in the present invention is exactly the Mobile phone card possessing these functions.
Radio-frequency SIM (SubscriberIdentityModule) card involved in the present invention, comprise central controller CPU, radio-frequency (RF) transmit-receive circuit, radio-frequency antenna and communication interface, radio-frequency (RF) transmit-receive circuit and communication interface are electrically connected at central processor CPU respectively, and radio-frequency antenna and radio-frequency (RF) transmit-receive circuit are electrically connected.Under the control of central controller CPU, this radio-frequency SIM card can, with mobile communication to realize the function of conventional SIM card, meanwhile, realize communicating with the radio-frequency card reader of periphery in short distance by radio-frequency (RF) transmit-receive circuit, radio-frequency antenna.
When above-mentioned radio-frequency SIM card is as smart card used times such as mass transit card, access card, credit card, attendance cards, in order to avoid mispronouncing card or misreading card operation, must limit the Card Reader distance of installing between radio-frequency SIM card and radio-frequency card reader, only when certain distance, radio-frequency card reader Card Reader could normally carry out.When the radio-frequency emission power of radio-frequency SIM card is certain, communication distance is by the impact of mobile phone shielding effect.The shield effectiveness of mobile phone mainly determines by the material of mobile phone and manufacturing process.If this radio-frequency SIM card is placed in the good mobile phone of shield effectiveness, its Card Reader distance is then comparatively near, and what have even can not launch signal frequently, causes not Card Reader phenomenon; If this radio-frequency SIM card is placed in the mobile phone of shield effectiveness mobile phone difference, its Card Reader distance is then comparatively far away, easily causes and misreads card or mispronounce card.
Therefore, radio frequency card reader and the communication distance being built in radio-frequency SIM card carry out commissioning, ensure Card Reader reliability and accuracy particularly important.
[summary of the invention]
The technical problem to be solved in the present invention is avoid above-mentioned the deficiencies in the prior art and provide the device and method that a kind of commissioning radio-frequency SIM card swipes the card Distance geometry radio-frequency card reader communication distance.
The technical problem to be solved in the present invention can adopt following technical proposals to realize:
A device for commissioning radio-frequency card reader Card Reader communication distance, comprises master controller, for setting radio-frequency (RF) signal strength threshold values m; Radio-frequency antenna, for the radio-frequency (RF) signal strength value n of the radio frequency power output value and radio-frequency SIM card that obtain radio-frequency SIM card; Radio-frequency (RF) transmit-receive circuit, is connected between described radio-frequency antenna and master control, for detecting and described radio-frequency (RF) signal strength value n being sent to described master controller; Described master controller, also for the magnitude relationship according to m and n, is launched dependent instruction data and is increased to radio-frequency SIM card in order to control radio-frequency SIM khaki output power value or reduce.
Commissioning radio-frequency SIM card is swiped the card the method for communication distance, and the device of communication distance of swiping the card based on a kind of commissioning radio-frequency SIM card, comprising:
Step a1, presets detection orientation and distance
Described device is positioned over the dead astern being provided with radio-frequency SIM card terminal, Distance geometry radio-frequency SIM card is between the two suitable with the actual required separation distance of radio-frequency card reader;
Step a2, setting radio-frequency (RF) signal strength threshold values
Received RF signal intensity threshold m is set in described master controller;
Step a3, received RF output power value
Described master controller and radio-frequency SIM card carry out transfer of data, obtain the radio frequency power output value set by radio-frequency SIM card, and detect the radio-frequency (RF) signal strength value n of radio-frequency SIM card output, described master controller is by controlling display module and being presented on described display module by this radio frequency power output value and radio-frequency (RF) signal strength value n;
Step a4, commissioning radio frequency power output value
If n > is m, described master controller sends to radio-frequency SIM card and regulates the instruction of radio frequency power output value, this instruction of radio-frequency (RF) transmit-receive circuit process, and is launched by radio-frequency antenna, and radio-frequency SIM card reduces radio frequency power output makes n and m suitable,
If n < is m, described master controller sends to radio-frequency SIM card and regulates the instruction of radio frequency power output value, this instruction of radio-frequency (RF) transmit-receive circuit process, and is launched by radio-frequency antenna, and radio-frequency SIM card increases radio frequency power output makes n and m suitable,
If n ≈ is m, this radio frequency power output value does not regulate;
Step a5, radio-frequency SIM card preserves radio frequency power output value
Radio-frequency SIM card preserves the radio frequency power output value after regulating in step a4, and as radio-frequency SIM card swipe the card command range time radio frequency power output value.
A device for commissioning radio-frequency card reader Card Reader communication distance, comprising: master controller, for setting radiofrequency signal predetermined radio frequency performance number p; Radio-frequency antenna, detects radio-frequency (RF) signal strength value q corresponding to predetermined radio frequency performance number p for emitting radio frequency signal predetermined radio frequency performance number p and acquisition radio-frequency card reader; Radio-frequency (RF) transmit-receive circuit, is connected between described radio-frequency antenna and master controller, for detecting and described radio-frequency (RF) signal strength value q being sent to described master controller.
A method for commissioning radio-frequency card reader Card Reader communication distance, based on a kind of device of commissioning radio-frequency card reader Card Reader communication distance, comprising:
Step b1, presets detection orientation and distance
Described device is positioned over the dead ahead of radio-frequency card reader, Distance geometry radio-frequency SIM card is between the two suitable with the actual required separation distance of radio-frequency card reader;
Step b2, setting radiofrequency signal predetermined radio frequency performance number
Radiofrequency signal predetermined power value p is set in described master controller;
Step b3, exports predetermined radio frequency performance number p
Described master controller sends and exports predetermined radio frequency performance number p instruction, this instruction of radio-frequency (RF) transmit-receive circuit process, and is launched by radio-frequency antenna, and this radio-frequency power value p is also presented on described display module by described main controller controls display module; ,
Step b4, radio-frequency card reader preserves radio-frequency (RF) signal strength value
Described radio-frequency card reader and device carry out transfer of data, described radio-frequency card reader detects radio-frequency (RF) signal strength value q corresponding to predetermined radio frequency performance number p, preserve this radio-frequency (RF) signal strength value q simultaneously, and using this radio-frequency (RF) signal strength value q as radio-frequency card reader identification and the signal strength threshold value reading radio-frequency SIM card, described device and radio-frequency card reader carry out transfer of data, obtain the radio-frequency (RF) signal strength value q of radio-frequency card reader detecting, and radio-frequency (RF) signal strength value is presented on described display module; ,
Compared with prior art, the present invention adopts the beneficial effect of technique scheme to be: by master controller setting radio-frequency (RF) signal strength threshold values m, and carry out commissioning according to this radio-frequency (RF) signal strength threshold values m radio frequency SIM card radio frequency power output value, eliminate the impact that mobile terminal radio frequency SIM card signal shielding causes, avoid because communication distance of radio frequency SIM card exists uncertain, ensure that the reliability that Card Reader operates and accuracy.
In addition, this device can also set radiofrequency signal predetermined power value p by master controller, radio-frequency card reader will be detected and radio-frequency (RF) signal strength value q under being kept at radiofrequency signal predetermined power value p, and using this radio-frequency (RF) signal strength value q as radio-frequency card reader identification and the signal strength threshold value reading radio-frequency SIM card, doing so avoids because radio-frequency card reader decision signal intensity threshold inaccuracy causes operate miss of swiping the card, ensure that the fail safe of transaction.
[accompanying drawing explanation]
Fig. 1 to swipe the card the apparatus structure schematic diagram of communication distance for commissioning radio-frequency SIM card that the present embodiment one provides;
The radio-frequency SIM card structural representation that Fig. 2 provides for the present embodiment one;
Fig. 3 to swipe the card the method flow diagram of communication distance for commissioning radio-frequency SIM card that the present embodiment two provides;
The apparatus structure schematic diagram of the commissioning radio-frequency card reader Card Reader communication distance that Fig. 4 provides for the present embodiment three;
The radio-frequency card reader structural representation that Fig. 5 provides for the present embodiment three;
The method flow diagram of the commissioning radio-frequency card reader Card Reader communication distance that Fig. 6 provides for the present embodiment four.
[embodiment]
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and the specific embodiments, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
embodiment one:
Refer to Fig. 1, the commissioning radio-frequency SIM card provided for the present embodiment one is swiped the card the apparatus structure schematic diagram of communication distance, and this device 100 comprises master controller 101, radio-frequency (RF) transmit-receive circuit 102, radio-frequency antenna 103, display module 104, key circuit 105, power supply circuits 106.
Radio-frequency (RF) transmit-receive circuit 102 and master controller 101 are bi-directionally connected, and radio-frequency (RF) transmit-receive circuit 102 is electrically connected at radio-frequency antenna 103.Master controller 101 is launched by radio-frequency antenna 103 after being processed by radio-frequency (RF) transmit-receive circuit 102 by data command on the one hand, can realize realizing radio communication with peripheral radio-frequency SIM card on the other hand by radio-frequency (RF) transmit-receive circuit 102 and radio-frequency antenna 103.
Display module 104 connects master controller 101, and main controller 101 controls, and for showing radio-frequency (RF) input power value and radio-frequency (RF) signal strength value, display module 104 can be LCD display module, also can be OLED display module, LED field module etc.
Key circuit 105 is connected with master controller 101, under the control of master controller 101, by key circuit 105 button operation, device 100 is carried out to the setting of mode of operation, in the present embodiment, carrying out button operation by key circuit 105, is the pattern of commissioning radio-frequency SIM card by device 100 Working mode set, and this device 100 brings into operation commissioning radio-frequency SIM card pattern like this.
Power supply circuits 106 are for providing working power for device 100.
Referring to Fig. 2, is the radio-frequency SIM card structural representation that the present embodiment one provides.This radio-frequency SIM card 200 comprises communication interface 201, CPU202, radio-frequency (RF) transmit-receive circuit 203 and radio-frequency antenna 204.Communication interface 201, radio-frequency (RF) transmit-receive circuit 203 are electrically connected and CPU202 respectively, and control by CPU202, and radio-frequency antenna 204 connects radio-frequency (RF) transmit-receive circuit 203.
In the present embodiment, radio-frequency SIM card 200 sends the instruction exporting radio-frequency power value, radio-frequency (RF) transmit-receive circuit 203 processes this instruction, radio-frequency antenna 204 launches radio-frequency power value, radio-frequency antenna 103 on this device 100 obtains this radio-frequency power value, simultaneously, detect the radio-frequency (RF) signal strength value that radio-frequency SIM card 200 exports, radio-frequency power value and radio-frequency (RF) signal strength are back to master controller 101 by radio-frequency (RF) transmit-receive circuit 102 and process by radio-frequency antenna 103, master controller 101 is by controlling display module 104, this radio-frequency power value and radio-frequency (RF) signal strength value are presented on display module 104.Like this, achieve this device 100 radio-frequency SIM card 200 and carry out radio communication.
Be appreciated that, device 100 can be adjusted to has identical operating RF frequency range and RF spot with radio-frequency SIM card 200, particularly, the radio-frequency (RF) transmit-receive circuit 102 on device 100, radio-frequency antenna 103 have identical radio frequency band and RF spot with the radio-frequency (RF) transmit-receive circuit 203 on radio-frequency SIM card 200, radio-frequency antenna 204.Meanwhile, device 100 observes identical communication protocol with described radio-frequency SIM card 200, can realize transfer of data each other.In practice, in order to implement device 100 and radio-frequency SIM card 200 better communication efficiency, device 100 is located at a plastic shell.
embodiment two:
Refer to Fig. 3, the commissioning radio-frequency SIM card provided for the present embodiment two is swiped the card the method flow diagram of communication distance, and it comprises the steps:
Step a1, presets detection orientation and distance:
Device 100 is positioned over the dead astern being provided with radio-frequency SIM card 200 terminal, needed for Distance geometry radio-frequency SIM card between the two and radio-frequency card reader reality, communication distance is suitable.In practice, the requirement of adjusting the distance due to different environment of swiping the card is not identical, and to ask the Card Reader distance of radio-frequency SIM card and radio-frequency card reader near, then device 100 is also relatively near with radio-frequency SIM card 200 spacing; Otherwise then device 100 is far away with radio-frequency SIM card 200 spacing;
Step a2, setting radio-frequency (RF) signal strength threshold values:
Received RF signal intensity threshold m is set in master controller 103.The requirement of distance of swiping the card according to radio frequency SIM card in reality, sets received RF signal intensity threshold m in master controller 103, and to ask radio-frequency SIM card closely realizing Card Reader, then m value is less than normal; Otherwise to ask radio-frequency SIM card realizing Card Reader at a distance, corresponding m value is bigger than normal.Be appreciated that radio-frequency (RF) signal strength threshold values m can change;
Step a3, received RF output power value:
Master controller 103 and radio-frequency SIM card 200 carry out transfer of data, obtain the radio frequency power output value set by radio-frequency SIM card 200, and detect the radio-frequency (RF) signal strength value n of radio-frequency SIM card output.Radio-frequency SIM card 200 sends the instruction exporting radio-frequency power value, radio-frequency (RF) transmit-receive circuit 202 processes this instruction, radio-frequency antenna 203 launches radio-frequency power value, radio-frequency antenna 105 on this device 100 obtains this radio-frequency power value, simultaneously, detect the radio-frequency (RF) signal strength value n that radio-frequency SIM card 200 exports, radio-frequency power value and radio-frequency (RF) signal strength are back to master controller 103 by radio-frequency (RF) transmit-receive circuit 104 and process by radio-frequency antenna 105, this radio-frequency power value and radio-frequency (RF) signal strength value n, by controlling display module 101, are presented on display module 101 by master controller 103;
Step a4, commissioning radio frequency power output value:
If n > is m, master controller 103 sends to radio-frequency SIM card 200 and regulates the instruction of radio frequency power output value, and radio-frequency (RF) transmit-receive circuit 104 processes this instruction, and is launched by radio-frequency antenna 105, radio-frequency SIM card 200 reduces radio frequency power output makes n and m suitable
If n < is m, master controller 103 sends to radio-frequency SIM card 200 and regulates the instruction of radio frequency power output value, and radio-frequency (RF) transmit-receive circuit 104 processes this instruction, and is launched by radio-frequency antenna 105, radio-frequency SIM card 200 increases radio frequency power output makes n and m suitable
If n ≈ is m, this radio frequency power output value does not regulate;
Step a5, radio-frequency SIM card preserves radio frequency power output value:
Radio-frequency SIM card 200 preserve in step a4 regulate after radio frequency power output value, and as radio-frequency SIM card 200 swipe the card operation time radio frequency power output value.
Be appreciated that, when radio-frequency SIM card and radio-frequency card reader keep actual required communication distance, the radio-frequency (RF) signal strength value that radio frequency power output value and the radio-frequency card reader of the radiation of radio-frequency SIM card one end sense is directly proportional, and radio frequency power output value larger radio-frequency (RF) signal strength value is stronger.The present invention regulates the radio frequency power output value of radio-frequency SIM card 200, and as radio-frequency SIM card 200 swipe the card operation time radio frequency power output value, the radio-frequency (RF) signal strength value that radio-frequency card reader is sensed is identical, thus makes to keep identical Card Reader distance with radio-frequency SIM card 200 different terminals.
embodiment three:
Refer to Fig. 4, be the device 300 of the commissioning radio-frequency card reader Card Reader communication distance that embodiment three provides, because structurally there is identical structure with the device 100 that embodiment one provides, here no longer describe.
Referring to Fig. 5, is the radio-frequency card reader structural representation that the present embodiment three provides.This radio-frequency card reader 400 comprises the communication interface 409 of display module 401, key circuit 402, power supply circuits 403, CPU404, radio-frequency (RF) transmit-receive circuit 405, radio-frequency antenna 406, memory circuit 407, communicating circuit 408 and connecting communication circuit 408.Display module 401, key circuit 402, radio-frequency (RF) transmit-receive circuit 405, memory circuit 407, telecommunication circuit 408 are electrically connected at CPU404 respectively, and control by CPU404, and radio-frequency antenna 406 is connected to radio-frequency (RF) transmit-receive circuit 405.
In the present embodiment, first carrying out button operation by key circuit 302, is the pattern of commissioning radio-frequency card reader by device 300 Working mode set, and this device 300 brings into operation the pattern of commissioning radio-frequency card reader like this.
On device 300, master controller 303 sends the instruction exporting and preset radio-frequency power value, radio-frequency (RF) transmit-receive circuit 304 processes this instruction, radio-frequency antenna 305 launches this radio-frequency power value, radio-frequency antenna 406 on radio-frequency card reader 400 detects corresponding radio-frequency (RF) signal strength value, and by radio-frequency (RF) transmit-receive circuit 405 by radio-frequency (RF) signal strength by being back to CPU404 process, CPU404 preserves this radio-frequency (RF) signal strength value.Like this, achieve this device 300 and carry out radio communication with radio-frequency card reader 400, be appreciated that, by the radio communication of device 300 with radio-frequency card reader 400, can detect the radio-frequency (RF) signal strength value that CPU404 preserves, master controller 303 sends the default radio-frequency power value of output and is presented on display module 301 with the radio-frequency (RF) signal strength value detected.
Be appreciated that, device 300 can be adjusted to has identical operating RF frequency range and RF spot with radio-frequency card reader 400, particularly, the radio-frequency (RF) transmit-receive circuit 304 on device 300, radio-frequency antenna 305 have identical radio frequency band and RF spot with the radio-frequency (RF) transmit-receive circuit 405 on radio-frequency card reader 400, radio-frequency antenna 406.Meanwhile, device 300 observes identical communication protocol with described radio-frequency card reader 400, can realize transfer of data each other.In practice, in order to implement device 300 and radio-frequency card reader 400 better communication efficiency, device 300 is located at a plastic shell.
embodiment four:
Refer to Fig. 6, be the method flow diagram of the commissioning radio-frequency card reader Card Reader communication distance that the present embodiment four provides, it comprises the steps:
Step b1, presets detection orientation and distance:
Device 300 is positioned over the dead ahead of radio-frequency card reader 400, Distance geometry radio-frequency SIM card is between the two suitable with the actual required separation distance of radio-frequency card reader.In practice, the requirement of adjusting the distance due to different environment of swiping the card is not identical, and to ask the Card Reader distance of radio-frequency SIM card and radio-frequency card reader near, then device 300 is also relatively near with radio-frequency SIM card 400 spacing; Otherwise then device 300 is far away with radio-frequency SIM card 400 spacing;
Step b2, setting radiofrequency signal predetermined radio frequency performance number:
Radiofrequency signal predetermined power value p is set in master controller 303.According to the requirement of radio frequency card reader 404 Card Reader distance in reality, in master controller 303, setting exports and presets radio-frequency power value p, and to ask radio-frequency card reader 404 closely realizing Card Reader, then p value is less than normal; Otherwise to ask radio-frequency card reader 404 realizing Card Reader at a distance, corresponding p value is bigger than normal.Be appreciated that radio-frequency (RF) signal strength threshold values p can change;
Step b3, exports predetermined radio frequency performance number p:
Master controller 303 sends and exports predetermined radio frequency performance number p instruction, and radio-frequency (RF) transmit-receive circuit 304 processes this instruction, and is launched by radio-frequency antenna 305.
Step b4, radio-frequency card reader preserves radio-frequency (RF) signal strength value:
Radio-frequency card reader 400 and device 300 carry out transfer of data, radio-frequency card reader 400 detects radio-frequency (RF) signal strength value q corresponding to predetermined radio frequency performance number p, preserve this radio-frequency (RF) signal strength value q simultaneously, and this radio-frequency (RF) signal strength value q is identified as radio-frequency card reader 400 and read the signal strength threshold value of radio-frequency SIM card 300.
Be appreciated that, when radio-frequency SIM card and radio-frequency card reader keep actual required communication distance, the radio-frequency (RF) signal strength value that radio frequency power output value and the radio-frequency card reader of the radiation of radio-frequency SIM card one end sense is directly proportional, and radio frequency power output value larger radio-frequency (RF) signal strength value is stronger.Device 300 provided by the invention arranges radio-frequency (RF) signal strength threshold value q by radio frequency card reader 400, and identifies peripheral radio-frequency SIM card by radio-frequency (RF) signal strength threshold value q.The radio-frequency (RF) signal strength value of peripheral radio-frequency SIM card radiation detected when radio-frequency card reader 400 is greater than q value, the communication distance illustrating between peripheral radio-frequency SIM card and radio-frequency card reader 400 be less than actual needed for communication distance, now can not successful Card Reader; When the radio-frequency (RF) signal strength value of the peripheral radio-frequency SIM card radiation of radio-frequency card reader 400 detecting is less than q value, illustrate that the communication distance between peripheral radio-frequency SIM card and radio-frequency card reader 400 is greater than actual required communication distance, now can not successful Card Reader.The radio-frequency (RF) signal strength value of the peripheral radio-frequency SIM card radiation only having radio-frequency card reader 400 to detect is suitable with q value, could realize Card Reader, maintain identical Card Reader distance between such radio-frequency card reader 400 and peripheral radio-frequency SIM card.
It should be noted that, above-described the specific embodiment of the present invention, does not form limiting the scope of the present invention.Any other various corresponding change and distortion done by technical conceive of the present invention, within the protection range that all should be included in the claims in the present invention.
Claims (7)
1. a device for commissioning radio-frequency card reader Card Reader communication distance, is characterized in that, comprising:
In advance described device is positioned over the dead ahead of radio-frequency card reader, Distance geometry radio-frequency SIM card is between the two suitable with the actual required separation distance of radio-frequency card reader;
Master controller, for setting radiofrequency signal predetermined radio frequency performance number p;
Radio-frequency antenna, detects radio-frequency (RF) signal strength value q corresponding to predetermined radio frequency performance number p for emitting radio frequency signal predetermined radio frequency performance number p and acquisition radio-frequency card reader;
Radio-frequency (RF) transmit-receive circuit, is connected between described radio-frequency antenna and master controller, for detecting and described radio-frequency (RF) signal strength value q being sent to described master controller.
2. the device of commissioning radio-frequency card reader Card Reader communication distance as claimed in claim 1, it is characterized in that, described device also comprises display module, and described display module is electrically connected at described master controller, for showing radio-frequency power value p and radio-frequency (RF) signal strength value q.
3. the device of commissioning radio-frequency card reader Card Reader communication distance as claimed in claim 1, it is characterized in that, described device can be adjusted to has identical operating RF frequency range and RF spot with described radio-frequency card reader.
4. the device of commissioning radio-frequency card reader Card Reader communication distance as claimed in claim 1, is characterized in that, described device observes identical communication protocol with described radio-frequency card reader, can realize transfer of data each other.
5. a method for commissioning radio-frequency card reader Card Reader communication distance, based on a kind of device of commissioning radio-frequency card reader Card Reader communication distance, is characterized in that, comprising:
Step b1, presets detection orientation and distance
Described device is positioned over the dead ahead of radio-frequency card reader, Distance geometry radio-frequency SIM card is between the two suitable with the actual required separation distance of radio-frequency card reader, and described device comprises: master controller, radio-frequency (RF) transmit-receive circuit, radio-frequency antenna, display module;
Step b2, setting radiofrequency signal predetermined radio frequency performance number
Radiofrequency signal predetermined power value p is set in described master controller;
Step b3, exports predetermined radio frequency performance number p
Described master controller sends and exports predetermined radio frequency performance number p instruction, this instruction of radio-frequency (RF) transmit-receive circuit process, and is launched by radio-frequency antenna, and this radio-frequency power value p is presented on described display module by described main controller controls display module;
Step b4, radio-frequency card reader preserves radio-frequency (RF) signal strength value
Described radio-frequency card reader and device carry out transfer of data, described radio-frequency card reader detects radio-frequency (RF) signal strength value q corresponding to predetermined radio frequency performance number p, preserve this radio-frequency (RF) signal strength value q simultaneously, and using this radio-frequency (RF) signal strength value q as radio-frequency card reader identification and the signal strength threshold value reading radio-frequency SIM card, described device and radio-frequency card reader carry out transfer of data, obtain the radio-frequency (RF) signal strength value q of radio-frequency card reader detecting, and radio-frequency (RF) signal strength value q is presented on described display module.
6. the method for commissioning radio-frequency card reader Card Reader communication distance as claimed in claim 5, it is characterized in that, described predetermined radio frequency performance number p can change.
7. the method for commissioning radio-frequency card reader Card Reader communication distance as claimed in claim 5, is characterized in that, described master controller is used for instruction by being launched by radio-frequency antenna after radio-frequency (RF) transmit-receive circuit process.
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| CN201110244448.4A CN102790649B (en) | 2011-08-23 | 2011-08-23 | The device and method of commissioning radio-frequency SIM card and radio-frequency card reader communication distance |
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| CN101330334A (en) * | 2008-03-04 | 2008-12-24 | 深圳市中兴集成电路设计有限责任公司 | Apparatus and method for calibrating communication distance of radio frequency SIM card |
| CN101888277A (en) * | 2010-06-17 | 2010-11-17 | 深圳市江波龙电子有限公司 | Intelligent expansion card, received signal strength indication (RSSI)-based near field communication control system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007148957A (en) * | 2005-11-30 | 2007-06-14 | Brother Ind Ltd | Radio tag information reading device |
| CN101330334A (en) * | 2008-03-04 | 2008-12-24 | 深圳市中兴集成电路设计有限责任公司 | Apparatus and method for calibrating communication distance of radio frequency SIM card |
| CN101888277A (en) * | 2010-06-17 | 2010-11-17 | 深圳市江波龙电子有限公司 | Intelligent expansion card, received signal strength indication (RSSI)-based near field communication control system and method |
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