CN105634511A - NFC (Near Field Communication) and WIFI ((Wireless Fidelity) antenna shared circuit system and mobile terminal - Google Patents
NFC (Near Field Communication) and WIFI ((Wireless Fidelity) antenna shared circuit system and mobile terminal Download PDFInfo
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- CN105634511A CN105634511A CN201510976545.0A CN201510976545A CN105634511A CN 105634511 A CN105634511 A CN 105634511A CN 201510976545 A CN201510976545 A CN 201510976545A CN 105634511 A CN105634511 A CN 105634511A
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- control unit
- frequency band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0067—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0067—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
- H04B1/0082—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
Abstract
The invention discloses a NFC and WIFI antenna shared circuit system. The system comprises that a WIFI antenna is used for receiving WIFI frequency band signals; a modulation circuit unit comprises a WIFI local oscillator signal generator and a mixer; the WIFI local oscillator signal generator is used for receiving the WIFI frequency band signals; the mixer is used for converting the WIFI frequency band signals received by the WIFI antenna into NFC frequency band signals capable of being received by an NFC control unit; the NFC frequency band signals are sent to the NFC control unit; after the NFC frequency band signals generated by the NFC control unit are converted into the WIFI frequency band signals, the WIFI frequency band signals are sent to the WIFI antenna and are transmitted by the WIFI antenna; and the NFC control unit is used for generating the NFC frequency band signals and receiving the NFC frequency band signals converted from the WIFI frequency band signals by the mixer. According to the system and the terminal of the invention, the NFC and WIFI share the antenna of the WIFI; the manufacturing cost is reduced; and the appearance beauty of the complete machine is ensured.
Description
Technical field
The present invention relates to wireless communication technology field, be specifically related to Circuits System and the mobile terminal of a kind of NFC and WIFI common antenna.
Background technology
At present, the application function of smart mobile phone is from strength to strength, such as near-field communication (NearFieldCommunication, and Wireless Fidelity (WirelessFidelity NFC), etc. WIFI) application is very general, and smart mobile phone is not only the instrument of a kind of call already. NFC can provide such as to pay and apply with identity validation etc., is a critically important application of smart mobile phone. WIFI is the technology that the terminals such as PC, handheld device (such as PDA, mobile phone) can wirelessly be interconnected by one, WIFI function can help us to make a long-distance call, browses webpage, sends and receive e-mail, music download and digital photo transmission etc., and without worrying the problem that speed is slow and cost is high. In current smart mobile phone, electronic security(ELSEC) unit module can be independent integrated circuit, it is also possible to be integrated in NFC controller or SIM, but can not leave in the integrated circuit of WIFI. Electronic security(ELSEC) unit module is used for depositing the information such as user key, the same as with bank card overall processes such as its production and transport encapsulation of third party supervision.
Owing to NFC needs external antenna ability receiving and transmitting signal, and its external antenna is generally made up of ferrite, and problem is that ferritic price comparison is expensive, and ferrite antenna takies the use space of complete machine, causes that complete machine thickness increases. Although prior art can make the size reduction of NFC antenna to 800 square millimeters, but its antenna form can damage the good looking appearance of complete machine, also brings along extra cost of manufacture.
Summary of the invention
It is an object of the invention to provide the Circuits System of a kind of NFC and WIFI common antenna and mobile terminal, during to solve prior art uses NFC and WIFI simultaneously, must be provided with NFC antenna and two antennas of WIFI antenna, thus increasing processing technology and cost, and make the inaesthetic problem of machine shape.
Technical scheme is as follows:
A kind of Circuits System of NFC and WIFI common antenna, including:
WIFI antenna, is used for receiving and dispatching WIFI frequency band signals;
Modulation circuit unit, including WIFI local oscillation signal generator and frequency mixer, described WIFI local oscillation signal generator is used for receiving and dispatching described WIFI frequency band signals, after described frequency mixer converts the receivable NFC frequency band signals of NFC control unit to for the described WIFI frequency band signals received by described WIFI antenna, transmission is described NFC control unit extremely, and after converting the described NFC frequency band signals that described NFC control unit produces to described WIFI frequency band signals, transmission to described WIFI antenna is launched;
NFC control unit, for producing described NFC frequency band signals and receiving the described NFC frequency band signals that described WIFI frequency band signals is converted to by described frequency mixer.
Preferably, described frequency mixer is connected with described NFC control unit and described WIFI local oscillation signal generator respectively, and described NFC control unit is connected with baseband processor, and described baseband processor can provide WIFI local oscillation signal to described NFC control unit.
Preferably, described modulation circuit unit also includes combiner, wave filter and power amplifier, described WIFI antenna is connected with described modulation circuit unit by described combiner, is sequentially connected with described power amplifier and described wave filter between described NFC control unit and described combiner.
Preferably, described WIFI antenna transmitting-receiving frequency range is the signal of 2.4GHz, and described NFC control unit transmitting-receiving frequency range is the signal of 13.56MHz.
Preferably, described frequency mixer and described WIFI local oscillation signal generator combined effect the signal of described 13.56MHz is converted to the signal of described 2.4GHz after transmission to described WIFI antenna, or the signal of described 2.4GHz is converted after the signal of described 13.56MHz transmission to described NFC control unit.
A kind of mobile terminal, it includes the Circuits System of a NFC and WIFI common antenna, and described Circuits System includes:
WIFI antenna, is used for receiving and dispatching WIFI frequency band signals;
Modulation circuit unit, including WIFI local oscillation signal generator and frequency mixer, described WIFI local oscillation signal generator is used for receiving and dispatching described WIFI frequency band signals, after described frequency mixer converts the receivable NFC frequency band signals of NFC control unit to for the described WIFI frequency band signals received by described WIFI antenna, transmission is described NFC control unit extremely, and after converting the described NFC frequency band signals that described NFC control unit produces to described WIFI frequency band signals, transmission to described WIFI antenna is launched;
NFC control unit, for producing described NFC frequency band signals and receiving the described NFC frequency band signals that described WIFI frequency band signals is converted to by described frequency mixer.
Preferably, described frequency mixer is connected with described NFC control unit and described WIFI local oscillation signal generator respectively, and described NFC control unit is connected with baseband processor, and described baseband processor can provide WIFI local oscillation signal to described NFC control unit.
Preferably, described modulation circuit unit also includes combiner, wave filter and power amplifier, described WIFI antenna is connected with described modulation circuit unit by described combiner, is sequentially connected with described power amplifier and described wave filter between described NFC control unit and described combiner.
Preferably, described WIFI antenna transmitting-receiving frequency range is the signal of 2.4GHz, and described NFC control unit transmitting-receiving frequency range is the signal of 13.56MHz.
Preferably, described frequency mixer and described WIFI local oscillation signal generator combined effect the signal of described 13.56MHz is converted to the signal of described 2.4GHz after transmission to described WIFI antenna, or the signal of described 2.4GHz is converted after the signal of described 13.56MHz transmission to described NFC control unit.
Beneficial effects of the present invention is as follows:
The Circuits System of a kind of NFC and WIFI common antenna of the present invention and mobile terminal, by the signal of NFC being modulated the frequency range of WIFI, WIFI antenna is shared again with the integrated circuit of WIFI, it is no longer necessary to the external antenna of independent NFC, and Circuits System is simple, it is not necessary to the circuit of external redundancy, it is achieved that NFC and WIFI shares the antenna of WIFI, reduce cost of manufacture, also make complete machine keep the attractive in appearance of profile.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The entirety that Fig. 1 is the Circuits System of a kind of NFC and WIFI common antenna of embodiments of the invention one realizes principle framework figure;
Fig. 2 be the NFC antenna of a kind of mobile phone of prior art realize principle framework figure;
Fig. 3 is the NFC external antenna schematic diagram of a kind of mobile phone of prior art.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those skilled in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment one
The present invention with smart mobile phone as an example, is described in detail by the present embodiment.
Refer to the entirety of Circuits System of a kind of NFC and WIFI common antenna that Fig. 1, Fig. 1 are the present embodiment one and realize principle framework figure, it will be seen from figure 1 that the Circuits System of a kind of NFC and WIFI common antenna of the present invention, including:
WIFI antenna 50, is used for receiving and dispatching WIFI frequency band signals, and in the present embodiment, WIFI frequency band signals is the signal of 2.4GHz.
Modulation circuit unit 40, including WIFI local oscillation signal generator 405 and frequency mixer 401, described WIFI local oscillation signal generator 405 is used for receiving and dispatching described WIFI frequency band signals, after described frequency mixer 401 converts the receivable NFC frequency band signals of NFC control unit 30 to for the described WIFI frequency band signals received by described WIFI antenna 50, transmission is described NFC control unit 30 extremely, and after the described NFC frequency band signals described NFC control unit 30 produced converts described WIFI frequency band signals to, transmission to described WIFI antenna 50 is launched. NFC frequency band signals in the present embodiment is 13.56MHz signal.
NFC control unit 30, for producing described NFC frequency band signals and receiving the described NFC frequency band signals that described WIFI frequency band signals is converted to by described frequency mixer 401.
In the present embodiment, described frequency mixer 401 is connected with described NFC control unit 30 and described WIFI local oscillation signal generator 405 respectively, described NFC control unit 30 is connected with mobile phone baseband processor 10, and described mobile phone baseband processor 10 can provide WIFI local oscillation signal to described NFC control unit 30. It addition, described mobile phone baseband processor 10 and NFC control unit 30 are all connected with SIM cards of mobile phones 20,2.4GHz local oscillation signal is provided by WIFI local oscillation signal generator 405 or mobile phone baseband processor 10.
In the present embodiment, described modulation circuit unit 40 also includes combiner 404, wave filter 403 and power amplifier 402, described WIFI antenna 50 is connected with described modulation circuit unit 40 by described combiner 404, is sequentially connected with described power amplifier 402 and described wave filter 403 between described NFC control unit 30 and described combiner 404.
In the present embodiment, owing to the signal that frequency range is 2.4GHz received and dispatched by described WIFI antenna 50, described NFC control unit 30 receives and dispatches the signal that frequency range is 13.56MHz, so in the present embodiment, described frequency mixer 401 and described WIFI local oscillation signal generator 405 combined effect the signal of described 13.56MHz is converted to the signal of described 2.4GHz after transmission to described WIFI antenna 50, or the signal of described 2.4GHz is converted after the signal of described 13.56MHz transmission to described NFC control unit 30. Detailed process is as follows:
Receive signal process: when described WIFI antenna 50 receives the signal carried about NFC information that frequency range is 2.4GHz, this carries the signal about NFC information by described combiner 404, wave filter 403 and power amplifier 402 enter into described frequency mixer 401, 2.4GHz local oscillation signal that described frequency mixer 401 and described WIFI local oscillation signal generator 405 produce (or the 2.4GHz local oscillation signal produced with described mobile phone baseband processor 10) interacts, this frequency range carrying the signal about NFC information is converted to 13.56MHz by 2.4GHz, transmission extremely described NFC control unit 30 again.
Send signal process: when described NFC control unit 30 produces the signal carried about NFC information that frequency range is 2.4GHz, this carries the signal about NFC information and enters described frequency mixer 401, 2.4GHz local oscillation signal that described frequency mixer 401 and described WIFI local oscillation signal generator 405 produce (or the 2.4GHz local oscillation signal produced with described mobile phone baseband processor 10) interacts, this frequency range carrying the signal about NFC information is converted to 2.4GHz by 13.56MHz, then through described power amplifier 402, wave filter 403 and combiner 404 transmission are launched to described WIFI antenna 50.
Due to only one of which WIFI antenna 50 of the present invention, therefore can only receive and dispatch frequency range is 2.4GHz signal, so and the matching used miscellaneous equipment of the present invention, also must be provided with the dual-mode antenna of transmitting-receiving 2.4GHz signal, namely the present invention can only be necessary for being that to receive and dispatch frequency range be 2.4GHz signal antenna with the use of, the dual-mode antenna such as payment devices (POS etc.) with being provided with the equipment of the antenna that transmitting-receiving frequency range is 2.4GHz signal.
Generally speaking, the present embodiment is that the NFC signal that frequency range is 13.56MHz is modulated the WIFI signal that frequency range is 2.4GHz, makes described NFC control unit 30 share described WIFI antenna 50 with described modulation circuit unit 40.
Below the mobile phone NFC antenna 60 of prior art is illustrated, refer to Fig. 2 and Fig. 3, Fig. 2 be prior art a kind of mobile phone NFC antenna 60 realize NFC antenna 60 schematic diagram that principle framework figure, Fig. 3 are a kind of mobile telephone externals of prior art. As can be seen from Figure 2, mobile phone NFC antenna 60 and the NFC control unit 30 of prior art link together, described NFC control unit 30 is connected with mobile phone baseband processor 10, additionally, described mobile phone baseband processor 10 and NFC control unit 30 are all connected with SIM cards of mobile phones 20, it is characterized in, it is necessary to have NFC antenna 60, otherwise cannot receive and dispatch the NFC signal that frequency range is 13.56MHz. From figure 3, it can be seen that the NFC antenna 60 of mobile telephone external is connected to the lateral edges of phone housing 70, not only affects the overall appearance image of mobile phone, but also cost of manufacture can be increased. The present invention just achieves NFC and WIFI common antenna, it is not necessary to additionally arrange NFC antenna 60, has both saved cost of manufacture, also makes the overall appearance image of mobile phone be maintained attractive in appearance.
Embodiment two
The present embodiment is using smart mobile phone as mobile terminal example, and the present invention will be described.
A kind of mobile terminal of the present embodiment, it includes the Circuits System of a NFC and WIFI common antenna, refer to Fig. 1, Fig. 1 is applicable to the present embodiment, the entirety that Fig. 1 is the Circuits System of a kind of NFC and WIFI common antenna of the present embodiment realizes principle framework figure, it will be seen from figure 1 that described Circuits System includes:
WIFI antenna 50, is used for receiving and dispatching WIFI frequency band signals, and in the present embodiment, WIFI frequency band signals is the signal of 2.4GHz.
Modulation circuit unit 40, including WIFI local oscillation signal generator 405 and frequency mixer 401, described WIFI local oscillation signal generator 405 is used for receiving and dispatching described WIFI frequency band signals, after described frequency mixer 401 converts the receivable NFC frequency band signals of NFC control unit 30 to for the described WIFI frequency band signals received by described WIFI antenna 50, transmission is described NFC control unit 30 extremely, and after the described NFC frequency band signals described NFC control unit 30 produced converts described WIFI frequency band signals to, transmission to described WIFI antenna 50 is launched. NFC frequency band signals in the present embodiment is 13.56MHz signal.
NFC control unit 30, for producing described NFC frequency band signals and receiving the described NFC frequency band signals that described WIFI frequency band signals is converted to by described frequency mixer 401.
In the present embodiment, described frequency mixer 401 is connected with described NFC control unit 30 and described WIFI local oscillation signal generator 405 respectively, described NFC control unit 30 is connected with mobile phone baseband processor 10, and described mobile phone baseband processor 10 can provide WIFI local oscillation signal to described NFC control unit 30. It addition, described mobile phone baseband processor 10 and NFC control unit 30 are all connected with SIM cards of mobile phones 20,2.4GHz local oscillation signal is provided by WIFI local oscillation signal generator 405 or mobile phone baseband processor 10.
In the present embodiment, described modulation circuit unit 40 also includes combiner 404, wave filter 403 and power amplifier 402, described WIFI antenna 50 is connected with described modulation circuit unit 40 by described combiner 404, is sequentially connected with described power amplifier 402 and described wave filter 403 between described NFC control unit 30 and described combiner 404.
In the present embodiment, owing to the signal that frequency range is 2.4GHz received and dispatched by described WIFI antenna 50, described NFC control unit 30 receives and dispatches the signal that frequency range is 13.56MHz, so in the present embodiment, described frequency mixer 401 and described WIFI local oscillation signal generator 405 combined effect the signal of described 13.56MHz is converted to the signal of described 2.4GHz after transmission to described WIFI antenna 50, or the signal of described 2.4GHz is converted after the signal of described 13.56MHz transmission to described NFC control unit 30. Detailed process is as follows:
Receive signal process: when described WIFI antenna 50 receives the signal carried about NFC information that frequency range is 2.4GHz, this carries the signal about NFC information by described combiner 404, wave filter 403 and power amplifier 402 enter into described frequency mixer 401, 2.4GHz local oscillation signal that described frequency mixer 401 and described WIFI local oscillation signal generator 405 produce (or the 2.4GHz local oscillation signal produced with described mobile phone baseband processor 10) interacts, this frequency range carrying the signal about NFC information is converted to 13.56MHz by 2.4GHz, transmission extremely described NFC control unit 30 again.
Send signal process: when described NFC control unit 30 produces the signal carried about NFC information that frequency range is 2.4GHz, this carries the signal about NFC information and enters described frequency mixer 401, 2.4GHz local oscillation signal that described frequency mixer 401 and described WIFI local oscillation signal generator 405 produce (or the 2.4GHz local oscillation signal produced with described mobile phone baseband processor 10) interacts, this frequency range carrying the signal about NFC information is converted to 2.4GHz by 13.56MHz, then through described power amplifier 402, wave filter 403 and combiner 404 transmission are launched to described WIFI antenna 50.
Due to only one of which WIFI antenna 50 of the present invention, therefore can only receive and dispatch frequency range is 2.4GHz signal, so and the matching used miscellaneous equipment of the present invention, also must be provided with the dual-mode antenna of transmitting-receiving 2.4GHz signal, namely the present invention can only be necessary for being that to receive and dispatch frequency range be 2.4GHz signal antenna with the use of, the dual-mode antenna such as payment devices (POS etc.) with being provided with the equipment of the antenna that transmitting-receiving frequency range is 2.4GHz signal.
Generally speaking, the present embodiment is that the NFC signal that frequency range is 13.56MHz is modulated the WIFI signal that frequency range is 2.4GHz, makes described NFC control unit 30 share described WIFI antenna 50 with described modulation circuit unit 40.
Below the mobile phone NFC antenna 60 of prior art is illustrated, refer to Fig. 2 and Fig. 3, Fig. 2 be prior art a kind of mobile phone NFC antenna 60 realize NFC antenna 60 schematic diagram that principle framework figure, Fig. 3 are a kind of mobile telephone externals of prior art. As can be seen from Figure 2, mobile phone NFC antenna 60 and the NFC control unit 30 of prior art link together, described NFC control unit 30 is connected with mobile phone baseband processor 10, additionally, described mobile phone baseband processor 10 and NFC control unit 30 are all connected with SIM cards of mobile phones 20, it is characterized in, it is necessary to have NFC antenna 60, otherwise cannot receive and dispatch the NFC signal that frequency range is 13.56MHz. From figure 3, it can be seen that the NFC antenna 60 of mobile telephone external is connected to the lateral edges of phone housing 70, not only affects the overall appearance image of mobile phone, but also cost of manufacture can be increased. The present invention just achieves NFC and WIFI common antenna, it is not necessary to additionally arrange NFC antenna 60, has both saved cost of manufacture, also makes the overall appearance image of mobile phone be maintained attractive in appearance.
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention; Simultaneously for those skilled in the art, according to the thought of the present invention, all will change in specific embodiments and applications, in sum, this specification information should not be construed as limitation of the present invention.
Claims (10)
1. the Circuits System of NFC Yu a WIFI common antenna, it is characterised in that including:
WIFI antenna, is used for receiving and dispatching WIFI frequency band signals;
Modulation circuit unit, including WIFI local oscillation signal generator and frequency mixer, described WIFI local oscillation signal generator is used for receiving and dispatching described WIFI frequency band signals, after described frequency mixer converts the receivable NFC frequency band signals of NFC control unit to for the described WIFI frequency band signals received by described WIFI antenna, transmission is described NFC control unit extremely, and after converting the described NFC frequency band signals that described NFC control unit produces to described WIFI frequency band signals, transmission to described WIFI antenna is launched;
NFC control unit, for producing described NFC frequency band signals and receiving the described NFC frequency band signals that described WIFI frequency band signals is converted to by described frequency mixer.
2. Circuits System according to claim 1, it is characterized in that, described frequency mixer is connected with described NFC control unit and described WIFI local oscillation signal generator respectively, described NFC control unit is connected with baseband processor, and described baseband processor can provide WIFI local oscillation signal to described NFC control unit.
3. Circuits System according to claim 2, it is characterized in that, described modulation circuit unit also includes combiner, wave filter and power amplifier, described WIFI antenna is connected with described modulation circuit unit by described combiner, is sequentially connected with described power amplifier and described wave filter between described NFC control unit and described combiner.
4. Circuits System according to claim 3, it is characterised in that described WIFI antenna transmitting-receiving frequency range is the signal of 2.4GHz, described NFC control unit transmitting-receiving frequency range is the signal of 13.56MHz.
5. Circuits System according to claim 4, it is characterized in that, described frequency mixer and described WIFI local oscillation signal generator combined effect the signal of described 13.56MHz is converted to the signal of described 2.4GHz after transmission to described WIFI antenna, or the signal of described 2.4GHz is converted after the signal of described 13.56MHz transmission to described NFC control unit.
6. a mobile terminal, it is characterised in that it includes the Circuits System of a NFC and WIFI common antenna, and described Circuits System includes:
WIFI antenna, is used for receiving and dispatching WIFI frequency band signals;
Modulation circuit unit, including WIFI local oscillation signal generator and frequency mixer, described WIFI local oscillation signal generator is used for receiving and dispatching described WIFI frequency band signals, after described frequency mixer converts the receivable NFC frequency band signals of NFC control unit to for the described WIFI frequency band signals received by described WIFI antenna, transmission is described NFC control unit extremely, and after converting the described NFC frequency band signals that described NFC control unit produces to described WIFI frequency band signals, transmission to described WIFI antenna is launched;
NFC control unit, for producing described NFC frequency band signals and receiving the described NFC frequency band signals that described WIFI frequency band signals is converted to by described frequency mixer.
7. mobile terminal according to claim 6, it is characterized in that, described frequency mixer is connected with described NFC control unit and described WIFI local oscillation signal generator respectively, described NFC control unit is connected with baseband processor, and described baseband processor can provide WIFI local oscillation signal to described NFC control unit.
8. mobile terminal according to claim 7, it is characterized in that, described modulation circuit unit also includes combiner, wave filter and power amplifier, described WIFI antenna is connected with described modulation circuit unit by described combiner, is sequentially connected with described power amplifier and described wave filter between described NFC control unit and described combiner.
9. mobile terminal according to claim 8, it is characterised in that described WIFI antenna transmitting-receiving frequency range is the signal of 2.4GHz, described NFC control unit transmitting-receiving frequency range is the signal of 13.56MHz.
10. mobile terminal according to claim 9, it is characterized in that, described frequency mixer and described WIFI local oscillation signal generator combined effect the signal of described 13.56MHz is converted to the signal of described 2.4GHz after transmission to described WIFI antenna, or the signal of described 2.4GHz is converted after the signal of described 13.56MHz transmission to described NFC control unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976545.0A CN105634511A (en) | 2015-12-21 | 2015-12-21 | NFC (Near Field Communication) and WIFI ((Wireless Fidelity) antenna shared circuit system and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976545.0A CN105634511A (en) | 2015-12-21 | 2015-12-21 | NFC (Near Field Communication) and WIFI ((Wireless Fidelity) antenna shared circuit system and mobile terminal |
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| CN105634511A true CN105634511A (en) | 2016-06-01 |
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| CN106100659B (en) * | 2016-06-22 | 2019-05-21 | 安徽天兵电子科技股份有限公司 | A kind of subaisle X-band module of microwave components |
| CN106452464A (en) * | 2016-11-17 | 2017-02-22 | 中国人民解放军92728部队 | Information processing device and method |
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Application publication date: 20160601 |