CN102324949B - Mobile communication terminal - Google Patents
Mobile communication terminal Download PDFInfo
- Publication number
- CN102324949B CN102324949B CN2011102691890A CN201110269189A CN102324949B CN 102324949 B CN102324949 B CN 102324949B CN 2011102691890 A CN2011102691890 A CN 2011102691890A CN 201110269189 A CN201110269189 A CN 201110269189A CN 102324949 B CN102324949 B CN 102324949B
- Authority
- CN
- China
- Prior art keywords
- capacitor
- diode
- wifi
- magnetic bead
- bluetooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Transceivers (AREA)
Abstract
The invention discloses a mobile communication terminal which comprises a first matching unit, a second matching unit and a coupling unit, wherein the first matching unit is used for receiving Bluetooth radio frequency signals and generating corresponding Bluetooth enable control signals to form a first on-off logic path; the second matching unit is used for receiving Wifi (Wireless Fidelity) radio frequency signals and generating corresponding Wifi enable control signals to form a second on-off logic path; and the coupling unit is connected with the first matching unit and the second matching unit respectively and is used for coupling the first on-off logic path and the second on-off logic path to an antenna, so that Wifi and Bluetooth shares the antenna to communicate. The technical scheme of the invention has the advantage that Wifi and Bluetooth shares the antenna to communicate by coupling the first on-off logic path and the second on-off logic path to the same antenna. The technical scheme has high coupling degree and improves the distance and the quality of effective communication.
Description
Technical field
The present invention relates to mobile communication equipment, relate in particular to the mobile communication terminal of a kind of Wifi radiofrequency signal and Bluetooth RF signal common antenna.
Background technology
Present stage, individual mobile communication terminal is all standard configuration Wifi and bluetooth usually, owing to generally adopting in the industry at present the carrier frequency of 2.4GHz, so both share the same antenna to communicate; Along with popularizing fast of Wifi online, the scene that the user needs Wifi and bluetooth to work sometimes simultaneously, for example, utilize Wifi online etc. when listening bluetooth earphone, this scene to the isolation of radio frequency path, disturb mutually and communication quality all has higher requirement.
Prior art generally adopts the scheme of switch and coupler combination, and still, the shortcoming of this scheme is that himself degree of coupling is inadequate, easily causes when a shared antenna communicates, and the effective communication distance of Bluetooth RF signal sharply shortens.
Summary of the invention
The technical problem to be solved in the present invention is, the defect not high for the degree of coupling of prior art and effective communication distance shortens, provide a kind of cost is low, simple, isolation is large and effective communication distance is long Wifi radiofrequency signal and the mobile communication terminal of Bluetooth RF signal common antenna.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of mobile communication terminal, comprising:
The first matching unit, for receiving the Bluetooth RF signal, and the bluetooth-enabled control signal of the correspondence produced, to form the first switching logic path;
The second matching unit, for receiving the Wifi radiofrequency signal, and produce corresponding Wifi and enable control signal, to form the second switch logical path;
Coupling unit, be connected with described the second matching unit with described the first matching unit respectively, for described the first switching logic path and described second switch logical path are coupled to antenna, to realize that Wifi and bluetooth share described antenna and communicate.
In mobile communication terminal of the present invention, described Bluetooth RF signal is by the Quadrature Phase Shift Keying modulation /demodulation.
In mobile communication terminal of the present invention, described Wifi radiofrequency signal is by the shift keying modulation demodulation.
In mobile communication terminal of the present invention, described coupling unit comprises impedance transducer and LC discrete device.
In mobile communication terminal of the present invention, described impedance transducer comprises first input end, the second input, the first earth terminal, the second earth terminal and output, wherein, described the first switching logic path is coupled to first input end, described second switch logical path is coupled to described the second input, and described output is coupled to described antenna.
In mobile communication terminal of the present invention, described the first switching logic path and described second switch logical path consist of diode.
In mobile communication terminal of the present invention, the resonance frequency of described the first matching unit and described the second matching unit is 2.4GHz.
In mobile communication terminal of the present invention, the first matching unit specifically comprises the bluetooth input, the bluetooth-enabled control end, capacitor C 1, capacitor C 3, capacitor C 5, inductance L 1, magnetic bead B1, magnetic bead B3, magnetic bead B4, resistance R 1, resistance R 3, diode D1 and diode D4, wherein, one end of capacitor C 1 is connected with the bluetooth input, the other end of capacitor C 1 is connected with the negative electrode of diode D1 and an end of inductance L 1 respectively, the other end ground connection of inductance L 1, the anode of diode D1 is connected with the end of magnetic bead B1 and an end of capacitor C 3 respectively, the other end of magnetic bead B1 is connected with an end of resistance R 1, the other end of capacitor C 3 is connected with an end of capacitor C 5, the other end of capacitor C 5 is connected with the anode of diode D4 and the end of magnetic bead B3 respectively, the other end of magnetic bead B3 is connected with an end of resistance R 3, the other end of resistance R 3 is connected with the bluetooth-enabled control end with the other end of resistance R I respectively, the negative electrode of diode D4 is connected with the end of magnetic bead B4, the other end ground connection of magnetic bead B4.
In mobile communication terminal of the present invention, described the second matching unit specifically comprises the Wifi input, Wifi enables control end, capacitor C 2, capacitor C 6, inductance L 2, inductance L 4, magnetic bead B2, resistance R 2, diode D2 and diode D3, wherein, one end of capacitor C 6 is connected with the Wifi input, the other end of capacitor C 6 is connected with the negative electrode of diode D3 and an end of inductance L 4 respectively, the other end ground connection of inductance L 4, the anode of diode D3 is connected with an end of capacitor C 2 and the end of magnetic bead B2 respectively, the other end of magnetic bead B2 is connected with an end of resistance R 2, the other end of resistance R 2 enables control end with Wifi and is connected, the other end of capacitor C 2 is connected with an end of inductance L 2, the anodic bonding of the other end of inductance L 2 and diode D2, the minus earth of diode D2.
In mobile communication terminal of the present invention, described coupling unit specifically comprises impedance transducer and capacitor C 4, wherein, the first input end of described impedance transducer is connected with the other end of capacitor C 2 and an end of inductance L 2 respectively, the second input of described impedance transducer is connected with the end of magnetic bead B4 with the negative electrode of diode D4 respectively, the output of described impedance transducer is connected with an end of capacitor C 4, and the other end of capacitor C 4 is connected with antenna.
Implement technical scheme of the present invention, there is following beneficial effect: by the first switching logic path and second switch logical path are coupled to the same antenna, realize that Wifi and bluetooth common antenna communicate, this technical scheme degree of coupling is high and improved distance and the quality of efficient communication.
The first switching logic path of the present invention and second switch logical path consist of diode, and adopt impedance transducer and LC discrete device to form coupling path, thereby make the technical program cost low, simple, and differential loss is little and be easy to realize.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of mobile communication terminal embodiment mono-of the present invention;
Fig. 2 is the circuit diagram of mobile communication terminal embodiment bis-of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
It should be noted that this mobile communication terminal is that communication involved in the present invention includes but not limited to radio communication in order to realize that bluetooth and Wifi communicate with the same antenna simultaneously, those skilled in the art should understand, and repeats no more here.
Refer to Fig. 1, Fig. 1 is the structural representation of mobile communication terminal embodiment mono-of the present invention, as shown in Figure 1, this mobile communication terminal comprises the first matching unit 1, the second matching unit 2 and the coupling unit 3 be connected with the second matching unit 2 with the first matching unit 1 respectively, and lower mask body is introduced the effect of various piece:
The first matching unit, for receiving the Bluetooth RF signal, and the bluetooth-enabled control signal of the correspondence produced, to form the first switching logic path, the resonance frequency of this first matching unit is 2.4GHz.
Preferably, described Bluetooth RF signal is by the Quadrature Phase Shift Keying modulation /demodulation.
The second matching unit, for receiving the Wifi radiofrequency signal, and produce corresponding Wifi and enable control signal, and to form the second switch logical path, the resonance frequency of this second matching unit is 2.4GHz.
Preferably, described Wifi radiofrequency signal is by the shift keying modulation demodulation.
Preferably, described the first switching logic path and described second switch logical path consist of diode.
Coupling unit, for described the first switching logic path and described second switch logical path are coupled to antenna, to realize that Wifi and bluetooth share described antenna and communicate.
Preferably, described coupling unit comprises impedance transducer and LC discrete device, it should be noted that in the present invention, and the resistance value after the impedance rheostat is changed is 50 ohm, so that antenna can receive Bluetooth RF signal and/or Wifi radiofrequency signal.
Preferably, described impedance transducer comprises first input end, the second input, the first earth terminal, the second earth terminal and output, wherein, described the first switching logic path is coupled to first input end, described second switch logical path is coupled to described the second input, and described output is coupled to described antenna.
Refer to Fig. 2, Fig. 2 is the circuit diagram of mobile communication terminal embodiment bis-of the present invention, as shown in Figure 2, this circuit specifically comprises bluetooth input BT, bluetooth-enabled control end BT-enable, Wifi input Wifi, Wifi enables control end Wifi-enable, capacitor C 1, capacitor C 2, capacitor C 3, capacitor C 4, capacitor C 5, capacitor C 6, inductance L 1, inductance L 2, inductance L 4, magnetic bead B1, magnetic bead B2, magnetic bead B3, magnetic bead B4, resistance R 1, resistance R 2, resistance R 3, diode D1, diode D2, diode D3, diode D4 and impedance transducer, described impedance transducer comprises first input end (1), the second input (2), the first earth terminal (3), the second earth terminal (4) and output (5).
Wherein, one end of capacitor C 1 is connected with bluetooth input BT, the other end of capacitor C 1 is connected with the negative electrode of diode D1 and an end of inductance L 1 respectively, the other end ground connection of inductance L 1, the anode of diode D1 is connected with the end of magnetic bead B1 and an end of capacitor C 3 respectively, the other end of magnetic bead B1 is connected with an end of resistance R 1, the other end of capacitor C 3 is connected with an end of capacitor C 5, the other end of capacitor C 5 is connected with the anode of diode D4 and the end of magnetic bead B3 respectively, the other end of magnetic bead B3 is connected with an end of resistance R 3, the other end resistance of resistance R 3 is connected with bluetooth-enabled control end BT-enable with the other end of RI respectively, the negative electrode of diode D4 is connected with the end of magnetic bead B4, the other end ground connection of magnetic bead B4.
Wherein, one end of capacitor C 6 is connected with Wifi input Wifi, the other end of capacitor C 6 is connected with the negative electrode of diode D3 and an end of inductance L 4 respectively, the other end ground connection of inductance L 4, the anode of diode D3 is connected with an end of capacitor C 2 and the end of magnetic bead B2 respectively, the other end of magnetic bead B2 is connected with an end of resistance R 2, the other end of resistance R 2 enables control end Wifi-enable with Wifi and is connected, the other end of capacitor C 2 is connected with an end of inductance L 2, the anodic bonding of the other end of inductance L 2 and diode D2, the minus earth of diode D2.
Wherein, the first input end of described impedance transducer (1) is connected with the other end of capacitor C 2 and an end of inductance L 2 respectively, second input (2) of described impedance transducer is connected with the end of magnetic bead B4 with the negative electrode of diode D4 respectively, the output of described impedance transducer (5) is connected with an end of capacitor C 4, and the other end of capacitor C 4 is connected with antenna.
In the present embodiment, the barron device part that impedance transducer is Europe, 50 Europe-50, R1=R2=R3=100K; C1=15pF, C2=3pF, C3=3pF, C4=22pF, C5=3pF, C6=15pF; L1=5.1NH, L4=5.6NH, it should be noted that inductance L 2 is Primary Components that bluetooth and Wifi realize coupling, and the visual concrete circuit of user is done corresponding adjustment, and default value is NC, and those skilled in the art should understand, and repeats no more here.
It should be noted that in the present embodiment, it is effective that Wifi enables control end Wifi-enable high level, and bluetooth-enabled control end BT-enable high level is effective.
Below specifically describe the course of work of this circuit diagram:
While 1, enabling Wifi separately, it is high level that Wifi enables control end Wifi-enable, by inductance L 4, forms loop, and diode D3 conducting, according to the annexation of this circuit diagram, so that resonance, on the operating frequency of 2.4G, is realized the coupling of input and output; Bluetooth-enabled control end BT-enable is low level simultaneously; BT is unsettled for the bluetooth input.
While 2, enabling BT separately, bluetooth-enabled control end BT-enable is high level, by inductance L 1 and magnetic bead B4, forms loop, diode D1 and diode D4 conducting, according to the annexation of this circuit diagram, so that resonance, on the operating frequency of 2.4G, is realized the coupling of input and output; It is low level that while Wifi enables control end Wifi-enable; Wifi is unsettled for the Wifi input.
While 3, enabling Wifi and BT simultaneously, it is high level that bluetooth-enabled control end BT-enable and Wifi enable control end Wifi-enable simultaneously, also just exactly Bluetooth RF signal and Wifi radiofrequency signal are added to above public antenna simultaneously, but, because the Wifi radiofrequency signal is 1 watt, and the Bluetooth RF signal is less than 100 milliwatts, therefore, with respect to the Bluetooth RF signal, the Wifi radiofrequency signal belongs to strong signal, so, in this programme, the Wifi radiofrequency signal, after the decay of diode D2 amplitude limit, is clamped down on the voltage amplitude of this signal in the 0.2V left and right.Thereby approach the order of magnitude of the voltage magnitude of Bluetooth RF signal, finally, the Bluetooth RF signal is by the Quadrature Phase Shift Keying modulation /demodulation, the Wifi radiofrequency signal is by the shift keying modulation demodulation, thereby realize that both communicate by letter, and the degree of coupling of this scheme is also brought up to and is greater than 3dB, realizes longer-distance communication.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in claim scope of the present invention.
Claims (9)
1. a mobile communication terminal, is characterized in that, comprising:
The first matching unit, for receiving the Bluetooth RF signal, and the bluetooth-enabled control signal of the correspondence produced, to form the first switching logic path;
The second matching unit, for receiving the Wifi radiofrequency signal, and produce corresponding Wifi and enable control signal, to form the second switch logical path;
Coupling unit, be connected with described the second matching unit with described the first matching unit respectively, for described the first switching logic path and described second switch logical path are coupled to antenna, to realize that Wifi and bluetooth share described antenna and communicate; Wherein:
The first matching unit specifically comprises the bluetooth input, the bluetooth-enabled control end, capacitor C 1, capacitor C 3, capacitor C 5, inductance L 1, magnetic bead B1, magnetic bead B3, magnetic bead B4, resistance R 1, resistance R 3, diode D1 and diode D4, wherein, one end of capacitor C 1 is connected with the bluetooth input, the other end of capacitor C 1 is connected with the negative electrode of diode D1 and an end of inductance L 1 respectively, the other end ground connection of inductance L 1, the anode of diode D1 is connected with the end of magnetic bead B1 and an end of capacitor C 3 respectively, the other end of magnetic bead B1 is connected with an end of resistance R 1, the other end of capacitor C 3 is connected with an end of capacitor C 5, the other end of capacitor C 5 is connected with the anode of diode D4 and the end of magnetic bead B3 respectively, the other end of magnetic bead B3 is connected with an end of resistance R 3, the other end of resistance R 3 is connected with the bluetooth-enabled control end with the other end of resistance R I respectively, the negative electrode of diode D4 is connected with the end of magnetic bead B4, the other end ground connection of magnetic bead B4.
2. mobile communication terminal according to claim 1, is characterized in that, described Bluetooth RF signal is by the Quadrature Phase Shift Keying modulation /demodulation.
3. mobile communication terminal according to claim 1, is characterized in that, described Wifi radiofrequency signal is by the shift keying modulation demodulation.
4. according to the described mobile communication terminal of claim 2 or 3, it is characterized in that, described coupling unit comprises impedance transducer and LC discrete device.
5. mobile communication terminal according to claim 4, it is characterized in that, described impedance transducer comprises first input end, the second input, the first earth terminal, the second earth terminal and output, wherein, described the first switching logic path is coupled to first input end, described second switch logical path is coupled to described the second input, and described output is coupled to described antenna.
6. mobile communication terminal according to claim 5, is characterized in that, described the first switching logic path and described second switch logical path consist of diode.
7. mobile communication terminal according to claim 6, is characterized in that, the resonance frequency of described the first matching unit and described the second matching unit is 2.4GHz.
8. mobile communication terminal according to claim 1, it is characterized in that, described the second matching unit specifically comprises the Wifi input, Wifi enables control end, capacitor C 2, capacitor C 6, inductance L 2, inductance L 4, magnetic bead B2, resistance R 2, diode D2 and diode D3, wherein, one end of capacitor C 6 is connected with the Wifi input, the other end of capacitor C 6 is connected with the negative electrode of diode D3 and an end of inductance L 4 respectively, the other end ground connection of inductance L 4, the anode of diode D3 is connected with an end of capacitor C 2 and the end of magnetic bead B2 respectively, the other end of magnetic bead B2 is connected with an end of resistance R 2, the other end of resistance R 2 enables control end with Wifi and is connected, the other end of capacitor C 2 is connected with an end of inductance L 2, the anodic bonding of the other end of inductance L 2 and diode D2, the minus earth of diode D2.
9. mobile communication terminal according to claim 8, it is characterized in that, described coupling unit specifically comprises impedance transducer and capacitor C 4, wherein, the first input end of described impedance transducer is connected with the other end of capacitor C 2 and an end of inductance L 2 respectively, the second input of described impedance transducer is connected with the end of magnetic bead B4 with the negative electrode of diode D4 respectively, and the output of described impedance transducer is connected with an end of capacitor C 4, and the other end of capacitor C 4 is connected with antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102691890A CN102324949B (en) | 2011-09-13 | 2011-09-13 | Mobile communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102691890A CN102324949B (en) | 2011-09-13 | 2011-09-13 | Mobile communication terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102324949A CN102324949A (en) | 2012-01-18 |
| CN102324949B true CN102324949B (en) | 2013-12-25 |
Family
ID=45452627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102691890A Expired - Fee Related CN102324949B (en) | 2011-09-13 | 2011-09-13 | Mobile communication terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102324949B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107005265B (en) * | 2015-12-30 | 2019-06-18 | 华为技术有限公司 | Signal of communication transmitting-receiving subassembly, terminal and signal transmit-receive method |
| CN111697979B (en) * | 2020-06-30 | 2021-12-17 | 广东虹勤通讯技术有限公司 | Mobile terminal |
| CN115865139A (en) * | 2023-02-21 | 2023-03-28 | 杭州宇泛智能科技有限公司 | NFC debugging device and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014103A (en) * | 2007-02-13 | 2007-08-08 | 鼎芯通讯（上海）有限公司 | Digital multimedia reception device |
| CN101030786A (en) * | 2006-03-01 | 2007-09-05 | 华硕电脑股份有限公司 | Portable electronic device |
| CN201927703U (en) * | 2011-01-13 | 2011-08-10 | 深圳市同洲电子股份有限公司 | Antenna device and mobile terminal |
| CN102263857A (en) * | 2011-07-12 | 2011-11-30 | 康佳集团股份有限公司 | Shared antenna circuit for mobile terminal |
-
2011
- 2011-09-13 CN CN2011102691890A patent/CN102324949B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101030786A (en) * | 2006-03-01 | 2007-09-05 | 华硕电脑股份有限公司 | Portable electronic device |
| CN101014103A (en) * | 2007-02-13 | 2007-08-08 | 鼎芯通讯（上海）有限公司 | Digital multimedia reception device |
| CN201927703U (en) * | 2011-01-13 | 2011-08-10 | 深圳市同洲电子股份有限公司 | Antenna device and mobile terminal |
| CN102263857A (en) * | 2011-07-12 | 2011-11-30 | 康佳集团股份有限公司 | Shared antenna circuit for mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102324949A (en) | 2012-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8824977B2 (en) | Using a same antenna for simultaneous transmission and/or reception by multiple transceivers | |
| CN105099527B (en) | A kind of passive NFC communication interface with independent energy reception antenna | |
| CN203708487U (en) | Bluetooth device with multifunctional coil | |
| CN105262513B (en) | A kind of NFC active communication interface with high transmitting power | |
| CN108063627A (en) | Radio-frequency receiving-transmitting switchs | |
| EP2278526A3 (en) | Near field communications, NFC, communicators and NFC communications enabled devices | |
| CN105099414A (en) | Rf transformer based tx/rx integrated rf switch | |
| CN105451132A (en) | UHF frequency band single chip digit modulation wireless microphone system | |
| CN102324949B (en) | Mobile communication terminal | |
| CN204013405U (en) | A kind of tunable high efficiency power amplifier of supporting multiband | |
| CN107069990A (en) | A kind of two-band magnet coupled resonant type wireless electric energy and signal synchronous transmission system | |
| CN109560837B (en) | Method and system for operating a communication device communicating through inductive coupling | |
| CN102420631B (en) | Power amplifier device, multi-mode radio frequency R-T unit and multimode terminal | |
| KR102452304B1 (en) | Method and system for controlling a modal antenna | |
| CN207910774U (en) | Power line carrier and wireless double mode formula communication module | |
| CN106027077B (en) | The radio frequency front-end device that integrated carrier wave polymerize and the mobile terminal comprising it | |
| CN106656071A (en) | Uniform matching system with bypass channel and low-noise amplifier and used for 5GHz WiFi communication | |
| CN214337902U (en) | Bluetooth radio frequency circuit and terminal equipment | |
| CN204290948U (en) | Anti-radio reception interfered circuit and radio equipment | |
| CN205945705U (en) | Integrated carrier wave polymeric radio frequency front end device and contain its mobile terminal | |
| CN103036584A (en) | Apparatus and method for matching antenna in wireless terminal | |
| CN109525261A (en) | FM receives circuit | |
| CN102158776A (en) | Frequency-modulation wireless microphone made of single battery | |
| CN201957211U (en) | FM wireless microphone made of single battery | |
| CN202143205U (en) | Amplitude-modulated wave wireless microphone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20190913 |