CN102256018A - Mobile phone with integrated RFID (Radio Frequency Identification) function and communication method thereof - Google Patents
Mobile phone with integrated RFID (Radio Frequency Identification) function and communication method thereof Download PDFInfo
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- CN102256018A CN102256018A CN201110207900XA CN201110207900A CN102256018A CN 102256018 A CN102256018 A CN 102256018A CN 201110207900X A CN201110207900X A CN 201110207900XA CN 201110207900 A CN201110207900 A CN 201110207900A CN 102256018 A CN102256018 A CN 102256018A
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Abstract
The invention relates to a mobile phone with an integrated RFID (Radio Frequency Identification) function. In virtue of the characteristics that the both of an RFID reading-writing device and the mobile phone are similar in working frequency and hardware structure, by multiplexing an antenna, a restructured antenna switch, an RF receiving/transmitting module, a base band module and a terminal interface in the mobile phone and configuring a mobile phone multiplexing software, the mobile phone can work in a UHF (Ultra High Frequency) frequency range in accordance with an RFID communication, and the function of the RFID communication can be realized. Free from the addition of the extra RFID reading-writing device to the mobile phone, the utility ratio of the hardware resource is further increased, the hardware resource is saved, and the application of the RFID is realized.
Description
Technical field
The invention belongs to the RFID technical field, be specifically related to a kind of mobile phone of integrated rfid function.
Background technology
RFID (Radio Frequency Identification)---REID is a kind of contactless automation recognition technology, carries out the noncontact bidirectional data communication by wireless radio frequency mode, and related data is discerned and obtained to target.The groundwork frequency of RFID has 125kHz, 133kHz, 13.56MHz, 433.92MHz, 840 (902)-960MHz, 2.45GHz and 5.8GHz.
Rfid system is made up of electronic tag, read write line, main frame three parts usually.Wherein read write line generally is to be made of antenna, radio-frequency module, baseband module.Antenna is the equipment that transmits and receives radio-frequency carrier signal.Radio-frequency module can transmit and receive radio-frequency carrier.Radio-frequency carrier signal is produced by radio-frequency oscillator and is amplified by rf processor, and this carrier wave is launched by antenna.Pass to module for reading and writing behind the carrier wave demodulation of launching/reflecting from RFID tag that radio-frequency module receives antenna.Module for reading and writing generally is made up of amplifier, decoding and error correction circuit, microprocessor, clock circuit, standard interface and power supply, it can the received RF module signal of transmission, the decoding back obtains the label internal information, pass to radio-frequency module after maybe will writing the information coding of label, finish the writing labels operation.Can also label substance and other information be passed to main frame by standard interface.
At present, also there are not the working frequency range of mobile phone to be configured to the device and the technical method of the uhf band that meets RFID communication, antenna and the such hardware resource of radio-frequency receiving-transmitting hardware circuit, baseband processing module and controller that like this can't multiplexing mobile phone inside, thus the low defective of utilance of hardware resource caused.Method as patent " RFID mobile phone and its implementation " is, be integrated into low cost, miniaturization ultrahigh frequency RFID module and the RFID module antenna of communication terminal (mobile phone) by exploitation, realize having the batch process of the mobile terminal device (mobile phone) of uhf band RFID read-write capability.This method is to realize by the hardware that increases rfid system on mobile phone, and the hardware such as duplexer, radio-frequency module and controller in the not multiplexing mobile phone cause the hardware resource waste.The method of patent " RFID data processing processing method and mobile communication terminal thereof in the mobile communication terminal " is carried out the RFID data processing for increasing memory, RFID interpretation portion and control part etc.This method also is to realize the hardware such as duplexer, radio-frequency module and controller in the not multiplexing mobile phone by increasing the RFID relevant hardware.Patent " is carried out the read-write equipment and the method thereof of RFID tag recognition " with smart mobile phone method is for to be connected to adapter with connecting line with smart mobile phone, and adapter comprises interface, control chip and RFID module for reading and writing.This method is to utilize adapter that the read write line of mobile phone with a RFID connected together, and mobile phone and RFID is not integrated together.
Summary of the invention
In order to overcome the deficiency that above-mentioned prior art exists, the object of the present invention is to provide a kind of mobile phone and communication means thereof of integrated rfid function, the working frequency range of mobile phone is configured to the uhf band that meets RFID communication, the antenna of multiplexing mobile phone inside and radio-frequency receiving-transmitting hardware circuit, baseband processing module and controller, thereby the utilance of raising hardware resource.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of mobile phone of integrated rfid function, comprise the controller that embeds in the mobile phone, the duplexer of this controller after with the reconstruct in the mobile phone, radio-frequency (RF) receiving and transmission module, baseband module and terminal interface communicate connection, the duplexer after the reconstruct wherein, radio-frequency (RF) receiving and transmission module and baseband module connect successively in twos in turn, and the duplexer after the reconstruct can communicate to connect with antenna for mobile phone 1 with switching mode, duplexer after the described reconstruct comprises the first antenna gating switch 2, this first antenna gating switch 2 has and can send contact 3 with the operating handset pattern that antenna for mobile phone 1 communicates to connect with switching mode, the operating handset pattern receives contact 4 and RFID mode of operation contact 5, the operating handset pattern sends contact 3 and operating handset pattern and receives contact 4 and communicate with the operating handset pattern contact 9 of the operating handset pattern contact 7 of the second antenna gating switch 6 and third antenna gating switch 8 respectively and be connected, RFID mode of operation contact 5 communicates with the RFID mode of operation contact 12 of the RFID mode of operation contact 11 of the second antenna gating switches 6 and third antenna gating switch 8 via ground connection directional coupler 10 by the RFID channel and is connected, the input of the output of the second antenna gating switch 6 and third antenna gating switch 8 communicates with the output of the input of radio-frequency (RF) receiving and transmission module and radio-frequency (RF) receiving and transmission module respectively and is connected, have the modulation and demodulation module that is used for RFID in the described baseband module, the coding module and the decoder module that is used for RFID that are used for RFID, include RFID driver and RFID Control Software based on mobile phone operating system in the described controller, described terminal interface includes and is used for the used terminal interface of RFID signal transmission.
Described directional coupler 10 can be substituted by circulator.
The modulation and demodulation module of the described RFID of being used for is ASK modulation and demodulation modules.
The coding module of the described RFID of being used for is PIE coding module or Manchester coding module, and the decoder module of the described RFID of being used for is FM0 decoder module, Miller decoder module or Manchester decoder module.
The present invention utilizes RFID read-write equipment and mobile phone similar characteristics on operating frequency and hardware configuration, by the antenna of multiplexing mobile phone inside, duplexer, radio-frequency (RF) receiving and transmission module, baseband module and terminal interface after the reconstruct, and dispose the software of multiplexing mobile phone, make operating handset at the uhf band that meets RFID communication, realize the RFID communication function.The present invention need not increase extra RFID module for reading and writing on mobile phone, thereby improves the utilance of hardware resource, economize on hardware resource, and the application of realization RFID.
Description of drawings
Fig. 1 is an operation principle structural representation of the present invention.
Fig. 2 is the connection diagram of duplexer, radio-frequency (RF) receiving and transmission module and antenna for mobile phone after the reconstruct of the present invention.
Embodiment
The present invention will be described in more detail below in conjunction with accompanying drawing.
As shown in Figure 1, the mobile phone of integrated rfid function, comprise the controller that embeds in the mobile phone, the duplexer of this controller after with the reconstruct in the mobile phone, radio-frequency (RF) receiving and transmission module, baseband module and terminal interface communicate connection, the duplexer after the reconstruct wherein, radio-frequency (RF) receiving and transmission module and baseband module connect successively in twos in turn, and the duplexer after the reconstruct can communicate to connect with antenna for mobile phone 1 with switching mode, as shown in Figure 2, duplexer after the described reconstruct comprises the first antenna gating switch 2, this first antenna gating switch 2 has and can send contact 3 with the operating handset pattern that antenna for mobile phone 1 communicates to connect with switching mode, the operating handset pattern receives contact 4 and RFID mode of operation contact 5, the operating handset pattern sends contact 3 and operating handset pattern and receives contact 4 and communicate with the operating handset pattern contact 9 of the operating handset pattern contact 7 of the second antenna gating switch 6 and third antenna gating switch 8 respectively and be connected, RFID mode of operation contact 5 communicates with the RFID mode of operation contact 12 of the RFID mode of operation contact 11 of the second antenna gating switches 6 and third antenna gating switch 8 via ground connection directional coupler 10 by the RFID channel and is connected, the input of the output of the second antenna gating switch 6 and third antenna gating switch 8 communicates with the output of the input of radio-frequency (RF) receiving and transmission module and radio-frequency (RF) receiving and transmission module respectively and is connected, have the modulation and demodulation module that is used for RFID in the described baseband module, the coding module and the decoder module that is used for RFID that are used for RFID, include RFID driver and RFID Control Software based on mobile phone operating system in the described controller, described terminal interface includes and is used for the used terminal interface of RFID signal transmission.Described directional coupler 10 can be substituted by circulator.The modulation and demodulation module of the described RFID of being used for is ASK modulation and demodulation modules.The coding module of the described RFID of being used for is PIE coding module or Manchester coding module, and the decoder module of the described RFID of being used for is FM0 decoder module, Miller decoder module or Manchester decoder module.
Operation principle of the present invention is: the flow process that signal receives is, signal receives through mobile phone antenna 1, is operating handset pattern or RFID mode of operation by controller according to this signal transposing control model, thereby the duplexer after the reconstruct is connected to the corresponding communication channel, signal is transferred to radio-frequency (RF) receiving and transmission module behind the duplexer after the reconstruct, through modulation, after the baseband module signal processing, carry out respective coding or decoding processing more then, enter terminal interface at last; Signal emission flow process is, signal produces from terminal interface, by controller according to signal through under the RFID of the correspondence mode of operation or the corresponding encoded module under the operating handset pattern, and then through the baseband module signal processing, enter corresponding modulation module again, then, switch to corresponding RFID mode of operation channel or operating handset mode channel, launch through the mobile phone antenna at last by the duplexer after the controller control reconstruct to radio-frequency (RF) receiving and transmission module.
Claims (4)
1. the mobile phone of an integrated rfid function, comprise the controller that embeds in the mobile phone, it is characterized in that: the duplexer of this controller after with the reconstruct in the mobile phone, radio-frequency (RF) receiving and transmission module, baseband module and terminal interface communicate connection, the duplexer after the reconstruct wherein, radio-frequency (RF) receiving and transmission module and baseband module connect successively in twos in turn, and the duplexer after the reconstruct can communicate to connect with the same antenna for mobile phone of switching mode (1), duplexer after the described reconstruct comprises the first antenna gating switch (2), this first antenna gating switch (2) has and can send contact (3) with the operating handset pattern that the same antenna for mobile phone of switching mode (1) communicates to connect, the operating handset pattern receives contact (4) and RFID mode of operation contact (5), the operating handset pattern sends contact (3) and operating handset pattern and receives contact (4) and communicate and be connected in the operating handset pattern contact (9) of the operating handset pattern contact (7) of the same second antenna gating switch (6) and third antenna gating switch (8) respectively, RFID mode of operation contact (5) communicates with the RFID mode of operation contact (12) of the RFID mode of operation contact (11) of the second antenna gating switch (6) and third antenna gating switch (8) via directional coupler (10) by the RFID channel and is connected, the input of the output of the second antenna gating switch (6) and third antenna gating switch (8) communicates with the output of the input of radio-frequency (RF) receiving and transmission module and radio-frequency (RF) receiving and transmission module respectively and is connected, have the modulation and demodulation module that is used for RFID in the described baseband module, the coding module and the decoder module that is used for RFID that are used for RFID, include RFID driver and RFID Control Software based on mobile phone operating system in the described controller, described terminal interface includes and is used for the used terminal interface of RFID signal transmission.
2. the mobile phone of integrated rfid function according to claim 1 is characterized in that: described directional coupler (10) can be substituted by circulator.
3. according to the mobile phone of claim 1 or the described integrated rfid function of claim 2, it is characterized in that: the modulation and demodulation module of the described RFID of being used for is ASK modulation and demodulation modules.
4. the coding module of the described RFID of being used for is PIE coding module or Manchester coding module, and the decoder module of the described RFID of being used for is FM0 decoder module, Miller decoder module or Manchester decoder module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110207900 CN102256018B (en) | 2011-07-22 | 2011-07-22 | Mobile phone with integrated RFID (Radio Frequency Identification) function and communication method thereof |
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| CN 201110207900 CN102256018B (en) | 2011-07-22 | 2011-07-22 | Mobile phone with integrated RFID (Radio Frequency Identification) function and communication method thereof |
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| CN102256018B CN102256018B (en) | 2013-06-12 |
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Cited By (3)
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| CN103747521A (en) * | 2013-12-28 | 2014-04-23 | 范志广 | Real-time location method and system based on radio frequency identification of mobile communication terminal |
| CN105827761A (en) * | 2016-05-25 | 2016-08-03 | 江苏本能科技有限公司 | Cellphone based ultra-high radio frequency identification apparatus, radio frequency identification control method and apparatus |
| CN110490016A (en) * | 2019-07-26 | 2019-11-22 | 浙江立芯软件科技有限公司 | A kind of radio frequency identification system |
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| CN103747521A (en) * | 2013-12-28 | 2014-04-23 | 范志广 | Real-time location method and system based on radio frequency identification of mobile communication terminal |
| CN103747521B (en) * | 2013-12-28 | 2017-09-29 | 范志广 | Real-time location method and system based on mobile communication terminal radio frequency identification |
| CN105827761A (en) * | 2016-05-25 | 2016-08-03 | 江苏本能科技有限公司 | Cellphone based ultra-high radio frequency identification apparatus, radio frequency identification control method and apparatus |
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| CN110490016A (en) * | 2019-07-26 | 2019-11-22 | 浙江立芯软件科技有限公司 | A kind of radio frequency identification system |
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| CN102256018B (en) | 2013-06-12 |
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