CN102467678B - Radio-frequency subscriber identity module (SIM) card with double-frequency communication mechanism - Google Patents
Radio-frequency subscriber identity module (SIM) card with double-frequency communication mechanism Download PDFInfo
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- CN102467678B CN102467678B CN201010546825.5A CN201010546825A CN102467678B CN 102467678 B CN102467678 B CN 102467678B CN 201010546825 A CN201010546825 A CN 201010546825A CN 102467678 B CN102467678 B CN 102467678B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to a radio-frequency subscriber identity module (SIM) card with a double-frequency communication mechanism, the SIM card mainly comprises a main control unit (MCU), a data communication module, a 2.4GHz antenna, a 13.56MHz antenna, a field detection module and the like, wherein the 13.56MHz antenna is used for conducting field detection and distance control in combination with the data communication module, and the 2.4GHz antenna is used for data communication in combination with the data communication module. The radio-frequency SIM card is placed in a mobile phone. Without regard to the telecommunication of the radio-frequency SIM card, the radio-frequency SIM card is in a dormant state when a transaction is not conducted. For reading-writing equipment which can simultaneously send out 13.56MHz signals and 2.4GHz signals, when the mobile phone equipped with the radio-frequency SIM card gets close to the reading-writing equipment, the radio-frequency SIM card senses the 13.56MHz signals within a certain distance, a marking signal is generated through the field detection module, a main control central processing unit (CPU) in the radio-frequency SIM card is waken up and a payment process is executed. If the 2.4GHz signals are not received within certain time, the radio-frequency SIM card enters the dormant state again. If the 2.4GHz signals are received, the payment process is continuously executed till all processes are completed and then the radio-frequency SIM card enters the dormant state. During the execution of the process, whether a 13.56MHz field exists or not is detected to ensure that the radio-frequency SIM card is always in a regulated communication range. By using the radio-frequency SIM card with the double-frequency communication mechanism, the power consumption of the radio-frequency SIM card is greatly reduced and the radio-frequency communication distance is controlled very well.
Description
Technical field
The present invention relates to radio-frequency communication field, particularly based on the radio frequency smart card application of mobile payment.
Background technology
Along with the universal development of mobile communication equipment, mobile phone has become requisite articles for daily use in a kind of people interchange, obtains increasing application.The development of mobile phone is also from original simple call instrument, develop into the information communication function with transmitting-receiving note, arriving can download pictures, the multimedia function such as to take pictures again, and then can surf the Net, send and receive e-mail, carry out the business processing such as bank, security, become personal digital assistant device truly, make people more and more be unable to do without mobile phone.Particularly mobile phone is used for the research of mobile payment technology, makes the application of mobile phone more wide.Radio-frequency SIM card is exactly a kind of technology type of mobile payment.
Because radio-frequency SIM card obtains energy by mobile phone, therefore to reduce the energy ezpenditure of radio-frequency SIM card as much as possible, improve the stand-by time of mobile phone.Common way adopts timing wake-up mechanism, radio-frequency SIM card is in dormant state when not carrying out radio frequency transaction, by the mode of timing, a radio-frequency SIM card is waken up at interval of the regular hour, after radio-frequency SIM card is waken up, check whether and will carry out radio frequency transaction, if do not needed, then enter dormant state again.Although this mode can reduce the power consumption of radio-frequency SIM card greatly, but still exist many do not have radio frequency conclude the business and be waken up, consume the moment of unnecessary energy.
In addition, when radio-frequency SIM card is used for mobile-phone payment application, in order to embody the behavior that consumer behavior is a kind of active, instead of consumer is forced to consumption in unconscious situation, require that the distance of radio-frequency SIM card and POS will control within certain scope, generally be less than several centimetres, what radio-frequency SIM card adopted is the technology of 2.4GHz, communication distance controls, particularly a difficult point by distance controlling in a very little scope, and due to the shield degree of different mobile phones to signal be different, performance in different mobile phones is very different, usually the method adopted at present is calibrated the radio-frequency SIM card be placed in mobile phone in advance, if change mobile phone also will re-start calibration, process is loaded down with trivial details, use inconvenience.
Summary of the invention
The present invention utilizes 13.56MHz to carry out field detection exactly and distance is determined, because the distance of reaction of 13.56MHz signal in clog-free space is no more than 10cm, add the shielding action due to mobile phone, actual sensed distance is less than 10cm, therefore, only have when mobile phone senses 13.56MHz field signal, just carry out the data communication of 2.4GHz, reach the control action of distance.
Radio-frequency SIM card is made up of master cpu, data communication module, 2.4GHz antenna, 13.56MHz antenna, field detection module etc.13.56MHz and field detection module are used for field and detect and distance controlling, and 2.4GHz antenna and data communication module are used for data communication.Field detection module on radio-frequency SIM card is made up of passive passive device.When radio-frequency SIM card is not concluded the business, master cpu and data communication module are in dormant state.For the read-write equipment sending 13.56MHz and 2.4GHz signal simultaneously, when the mobile phone that radio-frequency SIM card is housed is near card reader, radio-frequency SIM card at certain distance internal induction to 13.56MHz signal, produce a marking signal by field detection module, wake the master cpu in SIM card up, then wake data communication module up by master cpu, perform payment flow, after complete, master cpu control data communication module enters dormant state, then makes self to enter dormant state.If after master cpu and data communication data bits, do not receive 2.4GHz signal within the regular hour, then master cpu control data communication module enters dormant state, and oneself initiatively enters dormant state again.Whether if receive the order of 2.4GHz, then master cpu process related command, continues to perform payment flow, and in the process of implementation, constantly detect 13.56MHz field and exist.Guarantee that radio-frequency SIM card is be in the communication context of regulation always in the program process performing whole payment flow.
Accompanying drawing explanation
Fig. 1: radio-frequency SIM card and card reader mutual
Fig. 2: radio-frequency SIM card structure
Embodiment
Below in conjunction with diagram, the present embodiment is described further.
As shown in Figure 1, described radio-frequency SIM card 100 mainly comprises 13.56MHz antenna 101 and 2.4GHz antenna 102, and with card reader 200 communication, card reader 200 comprises 13.56MHz antenna 201 and 2.4GHz antenna 202.Described radio-frequency SIM card is placed on interior of mobile phone and card reader communication.
As shown in Figure 2, described radio-frequency SIM card 100 also comprises a detection module 103, data communication module 104, master cpu 105.When there being 13.56MHz field signal to exist, the output identification of field detection module is effectively, otherwise the output identification of field detection module is invalid.
Consider and will support the work of 13.56MHz card simultaneously, card reader 200, when normally working, can send 13.56MHz signal and 2.4GHz signal simultaneously.
Described radio-frequency SIM card 100 (mobile phone) not near card reader 200 time, do not consider the teledata communication of mobile phone and described radio-frequency SIM card 100, master cpu 105 and the data communication module 104 of radio-frequency SIM card 100 are in dormant state.When radio-frequency SIM card 100 (mobile phone) is near card reader 200, and reach after within certain distance, 13.56MHz antenna 101 can sense the field signal of some strength, this signal is after interlude detection module 103, export effective marker and wake master cpu 105 up, master cpu 105 performs and pays application flow, wake data communication module 104 up, and card reader 200 carries out data communication.After executing flow process, master cpu 105 control data communication module 104 enters dormant state, and then self enters dormant state, completes whole transaction.In order to ensure that the execution of whole flow process is that master cpu 105 will continue the output identification of checkout area detection module 104 within the scope of the communication distance of regulation.If when flow performing partways, this mark becomes invalid, and master cpu and should stop flow process, protects scene.If master cpu 105 is waken up, and after then waking data communication module 104 up, within the regular hour, do not receive 2.4GHz signal, then master cpu 105 control data communication module 104 enters dormant state, and also makes oneself initiatively to enter dormant state.
Claims (3)
1. there is a radio-frequency SIM card for double frequency communication mechanism, it is characterized in that radio-frequency SIM card comprising 13.56MHz antenna and 2.4GHz antenna simultaneously, also comprise a detection module, data communication module, master cpu, described 13.56MHz antenna is connected with field detection module, and 2.4GHz antenna is connected with data communication module, and field detection module is connected with master cpu respectively with data communication module, when radio-frequency SIM card is not concluded the business, master cpu and data communication module are in dormant state, when 13.56MHz antenna induction is to 13.56MHz field signal, field detection module exports an effective marking signal, wake the master cpu in radio-frequency SIM card up, data communication module is waken up again by master cpu, if now 2.4GHz antenna receives 2.4GHz field signal, radio-frequency SIM card performs payment flow, and radio-frequency SIM card is in operational process, continue the marking signal that checkout area detection module exports, the operation of guarantee radio-frequency SIM card is within the distance range required always, if field detection module exports invalid marking signal, then system enters dormant state, and after complete, master cpu control data communication module enters dormant state, and then master cpu enters dormant state, if do not receive 2.4GHz signal after master cpu and data communication data bits within the regular hour, then master cpu control data communication module enters dormant state, and then master cpu enters dormant state.
2. a kind of radio-frequency SIM card with double frequency communication mechanism as claimed in claim 1, is characterized in that the field detection module on radio-frequency SIM card is made up of passive passive device.
3. a control method for radio communication, is applied in radio-frequency SIM card as claimed in claim 1, it is characterized in that step is as follows:
1. arrange a detection module and data communication module at radio-frequency SIM card, field detection module is connected with radio-frequency SIM card master cpu respectively with data communication module;
2., under usual state, master cpu and control data communication module are in dormant state;
3., when 13.56MHz antenna induction is to 13.56MHz field signal, field detection module exports an effective marking signal, wakes the master cpu in radio-frequency SIM card up, then wakes data communication module up by master cpu;
4. radio-frequency SIM card is in operational process, continues the marking signal that checkout area detection module exports, and ensures that the operation of radio-frequency SIM card is within the distance range required always;
If 5. 2.4GHz antenna receives 2.4GHz field signal, radio-frequency SIM card performs payment flow;
6., after payment flow completes, master cpu control data communication module enters dormant state, and then master cpu enters dormant state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010546825.5A CN102467678B (en) | 2010-11-16 | 2010-11-16 | Radio-frequency subscriber identity module (SIM) card with double-frequency communication mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010546825.5A CN102467678B (en) | 2010-11-16 | 2010-11-16 | Radio-frequency subscriber identity module (SIM) card with double-frequency communication mechanism |
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| CN102467678A CN102467678A (en) | 2012-05-23 |
| CN102467678B true CN102467678B (en) | 2015-04-22 |
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| CN104702767A (en) * | 2013-12-04 | 2015-06-10 | 中国电信股份有限公司 | Method, subscriber identity module card and system used for sending messages |
| EP3079104B1 (en) * | 2015-04-10 | 2018-01-10 | EM Microelectronic-Marin SA | Protocol management method for a passive rf identification device which can harvest power from different power sources |
Citations (3)
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| CN201465163U (en) * | 2009-06-08 | 2010-05-12 | 深圳市江波龙电子有限公司 | RF mobile communication card |
| CN101739583A (en) * | 2008-11-26 | 2010-06-16 | 国民技术股份有限公司 | Radio frequency SIM card, radio frequency card reader and magnetic induction control method for radio frequency communication |
| CN101860383A (en) * | 2010-06-13 | 2010-10-13 | 武汉天喻信息产业股份有限公司 | Bridging equipment for realizing double-frequency non-contact communication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008027621A1 (en) * | 2006-03-30 | 2008-03-06 | Obopay Inc. | Mobile person-to-person payment system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101739583A (en) * | 2008-11-26 | 2010-06-16 | 国民技术股份有限公司 | Radio frequency SIM card, radio frequency card reader and magnetic induction control method for radio frequency communication |
| CN201465163U (en) * | 2009-06-08 | 2010-05-12 | 深圳市江波龙电子有限公司 | RF mobile communication card |
| CN101860383A (en) * | 2010-06-13 | 2010-10-13 | 武汉天喻信息产业股份有限公司 | Bridging equipment for realizing double-frequency non-contact communication |
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| CN102467678A (en) | 2012-05-23 |
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Address after: 102209 Beijing, Beiqijia, the future of science and technology in the south area of China electronic network security and information technology industry base C building, Patentee after: Beijing CEC Huada Electronic Design Co., Ltd. Address before: 100102 Beijing City, Chaoyang District Lize two Road No. 2, Wangjing science and Technology Park A block five layer Patentee before: Beijing CEC Huada Electronic Design Co., Ltd. |