CN102256018B - 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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- CN102256018B CN102256018B CN201110207900.XA CN201110207900A CN102256018B CN 102256018 B CN102256018 B CN 102256018B CN 201110207900 A CN201110207900 A CN 201110207900A CN 102256018 B CN102256018 B CN 102256018B
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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 identified 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 comprised of electronic tag, read write line, main frame three parts usually.Wherein read write line is generally 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 and is amplified by rf processor by radio-frequency oscillator, and this carrier wave passes through antenna transmission.Pass to module for reading and writing after the carrier wave demodulation of launching/reflecting from RFID tag of radio-frequency module with antenna reception.Module for reading and writing generally is comprised of amplifier, decoding and error correction circuit, microprocessor, clock circuit, standard interface and power supply, it can the received RF module signal of transmission, obtain the label internal information after decoding, pass to radio-frequency module after maybe will writing the information coding of label, complete the writing labels operation.Can also label substance and other information be passed to main frame by standard interface.
At present, also there is no the working frequency range of mobile phone to be configured to 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 interior of mobile phone, 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, realization has the batch production 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 not multiplexing mobile phone cause the hardware resource waste.The method of patent " in mobile communication terminal, the RFID data are processed processing method and mobile communication terminal thereof " is carried out the processing of RFID data for increasing memory, RFID interpretation section and control part etc.This method is also to realize by increasing the corresponding hardware of RFID, the hardware such as duplexer, radio-frequency module and controller in not multiplexing mobile phone.Patent " is carried out 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
The deficiency that exists in order to overcome above-mentioned prior art, 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 interior of mobile phone 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 mobile phone, the duplexer of this controller after with the reconstruct in mobile phone, radio-frequency (RF) receiving and transmission module, baseband module and terminal interface communicate connection, the duplexer after reconstruct wherein, radio-frequency (RF) receiving and transmission module and baseband module connect successively in twos in turn, and the duplexer after reconstruct can be with switching mode with antenna for mobile phone 1 communication connection, duplexer after described reconstruct comprises first day line gating switch 2, this first day line gating switch 2 is with sending contact 3 with the mobile phone working mode that antenna for mobile phone 1 communicates to connect with switching mode, mobile phone working mode receives contact 4 and RFID mode of operation contact 5, mobile phone working mode sends contact 3 and is connected the mobile phone working mode contact 9 of being connected with the third antenna gating switch with the mobile phone working mode contact 7 of second day line gating switch 6 respectively contact 4 with mobile phone working mode and communicates connection, the RFID mode of operation contact 12 of being connected with the third antenna gating switch with the RFID mode of operation contact 11 of second day line gating switch 6 via ground connection directional coupler 10 by the RFID channel in RFID mode of operation contact 5 communicates connection, the input that the output of second day line gating switch 6 is connected with the third antenna gating switch is connected output with the input of radio-frequency (RF) receiving and transmission module respectively and is communicated connection with radio-frequency (RF) receiving and transmission module, in described baseband module, band is useful on the modulation and demodulation module of RFID, be used for the coding module of RFID and be used for the decoder module of RFID, the RFID driver and the RFID that include in described controller based on mobile phone operating system control software, described terminal interface includes for RFID signal transmission terminal interface used.
Described directional coupler 10 can be substituted by circulator.
Described modulation and demodulation module for RFID is ASK modulation and demodulation modules.
Described coding module for RFID is PIE coding module or Manchester coding module, and described decoder module for RFID 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 interior of mobile phone, duplexer, radio-frequency (RF) receiving and transmission module, baseband module and terminal interface after reconstruct, and configure 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 to not increase extra RFID module for reading and writing on mobile phone, thereby improves the utilance of hardware resource, the economize on hardware resource, and realize the application of RFID.
Description of drawings
Fig. 1 is 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 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 mobile phone, the duplexer of this controller after with the reconstruct in mobile phone, radio-frequency (RF) receiving and transmission module, baseband module and terminal interface communicate connection, the duplexer after reconstruct wherein, radio-frequency (RF) receiving and transmission module and baseband module connect successively in twos in turn, and the duplexer after reconstruct can be with switching mode with antenna for mobile phone 1 communication connection, as shown in Figure 2, duplexer after described reconstruct comprises first day line gating switch 2, this first day line gating switch 2 is with sending contact 3 with the mobile phone working mode that antenna for mobile phone 1 communicates to connect with switching mode, mobile phone working mode receives contact 4 and RFID mode of operation contact 5, mobile phone working mode sends contact 3 and is connected the mobile phone working mode contact 9 of being connected with the third antenna gating switch with the mobile phone working mode contact 7 of second day line gating switch 6 respectively contact 4 with mobile phone working mode and communicates connection, the RFID mode of operation contact 12 of being connected with the third antenna gating switch with the RFID mode of operation contact 11 of second day line gating switch 6 via ground connection directional coupler 10 by the RFID channel in RFID mode of operation contact 5 communicates connection, the input that the output of second day line gating switch 6 is connected with the third antenna gating switch is connected output with the input of radio-frequency (RF) receiving and transmission module respectively and is communicated connection with radio-frequency (RF) receiving and transmission module, in described baseband module, band is useful on the modulation and demodulation module of RFID, be used for the coding module of RFID and be used for the decoder module of RFID, the RFID driver and the RFID that include in described controller based on mobile phone operating system control software, described terminal interface includes for RFID signal transmission terminal interface used.Described directional coupler 10 can be substituted by circulator.Described modulation and demodulation module for RFID is ASK modulation and demodulation modules.Described coding module for RFID is PIE coding module or Manchester coding module, and described decoder module for RFID 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, be mobile phone working mode or RFID mode of operation by controller according to this signal transposing control model, thereby the duplexer after reconstruct is connected to corresponding communication channel, signal is transferred to radio-frequency (RF) receiving and transmission module after the duplexer after reconstruct, then through modulation /demodulation, then the processing of encoding accordingly or decode after the baseband module signal is processed, terminal interface entered at last; Signal emission flow process is, signal produces from terminal interface, by controller according to signal under the RFID of correspondence mode of operation or the corresponding encoded module under mobile phone working mode, and then process through the baseband module signal, enter again corresponding modulation module, then to radio-frequency (RF) receiving and transmission module, switch to corresponding RFID mode of operation channel or mobile phone working mode channel by the duplexer after the controller control reconfiguration, launch finally by antenna for mobile phone.
Claims (3)
1. the mobile phone of an integrated rfid function, comprise the controller that embeds in mobile phone, it is characterized in that: the duplexer of this controller after with the reconstruct in mobile phone, radio-frequency (RF) receiving and transmission module, baseband module and terminal interface communicate connection, the duplexer after reconstruct wherein, radio-frequency (RF) receiving and transmission module and baseband module connect successively in twos in turn, and the duplexer after reconstruct can communicate to connect with the same antenna for mobile phone of switching mode (1), duplexer after described reconstruct comprises first day line gating switch (2), this first day line gating switch (2) is with sending contact (3) with the mobile phone working mode of the same antenna for mobile phone of switching mode (1) communication connection, mobile phone working mode receives contact (4) and a RFID mode of operation contact (5), mobile phone working mode sends contact (3) and is connected contact (4) with mobile phone working mode and is connected 8 with the first mobile phone working mode contact (7) of second day line gating switch (6) with the third antenna gating switch respectively) the second mobile phone working mode contact (9) communicate connection, the one RFID mode of operation contact (5) is connected 8 with the 2nd RFID mode of operation contact (11) of second day line gating switch (6) with the third antenna gating switch via directional coupler (10) by the RFID channel) the 3rd RFID mode of operation contact (12) communicate connection, the output of second day line gating switch (6) is connected 8 with the third antenna gating switch) input be connected output with radio-frequency (RF) receiving and transmission module with the input of radio-frequency (RF) receiving and transmission module respectively and communicate connection, in described baseband module, band is useful on the modulation and demodulation module of RFID, be used for the coding module of RFID and be used for the decoder module of RFID, the RFID driver and the RFID that include in described controller based on mobile phone operating system control software, described terminal interface includes for RFID signal transmission terminal interface used.
2. the mobile phone of integrated rfid function according to claim 1, it is characterized in that: described directional coupler (10) can be substituted by circulator.
3. according to claim 1 or the mobile phone of integrated rfid function claimed in claim 2, it is characterized in that: described modulation and demodulation module for RFID is ASK modulation and demodulation modules.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110207900.XA 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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| CN201110207900.XA 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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| CN102256018A CN102256018A (en) | 2011-11-23 |
| CN102256018B true CN102256018B (en) | 2013-06-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN105827761B (en) * | 2016-05-25 | 2018-12-25 | 江苏本能科技有限公司 | Super high frequency radio frequency identification device and control method, device based on mobile phone |
| CN110490016B (en) * | 2019-07-26 | 2023-06-23 | 立芯科技股份有限公司 | Wireless radio frequency identification system |
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| US7659819B2 (en) * | 2005-04-21 | 2010-02-09 | Skyetek, Inc. | RFID reader operating system and associated architecture |
| KR100694378B1 (en) * | 2005-09-22 | 2007-03-12 | 주식회사 팬택 | Mobile communication terminal having rfid reader and communicating method thereof |
| CN101257672B (en) * | 2007-09-12 | 2012-12-26 | 杭州义盛祥通信技术有限公司 | Phone with electronic label read-write function |
| CN101763496B (en) * | 2008-12-24 | 2013-12-18 | 国民技术股份有限公司 | Radio-frequency card reader for mobile communication terminal |
| CN201479388U (en) * | 2009-06-05 | 2010-05-19 | 电子科技大学 | Integrated mobile communication device |
| CN101778492B (en) * | 2009-12-29 | 2013-08-07 | 深圳市远望谷信息技术股份有限公司 | Method for radio frequency identification of mobile communication terminal and equipment thereof |
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