CN108390149A - Harmonic suppression apparatus, antenna module and electronic device - Google Patents

Harmonic suppression apparatus, antenna module and electronic device Download PDF

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Publication number
CN108390149A
CN108390149A CN201810114976.XA CN201810114976A CN108390149A CN 108390149 A CN108390149 A CN 108390149A CN 201810114976 A CN201810114976 A CN 201810114976A CN 108390149 A CN108390149 A CN 108390149A
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China
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signal
harmonic
reverse phase
electromagnetic wave
antenna
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CN201810114976.XA
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CN108390149B (en
Inventor
杨怀
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201810114976.XA priority Critical patent/CN108390149B/en
Publication of CN108390149A publication Critical patent/CN108390149A/en
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Publication of CN108390149B publication Critical patent/CN108390149B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors

Abstract

This application provides a kind of harmonic suppression apparatus, antenna module and electronic devices.The harmonic suppression apparatus includes:Demodulating unit, the first mixed signal that the electromagnetic wave signal for receiving reception antenna from space obtains demodulate, and obtain multiple first harmonic signals;Judging unit, for judging whether the power of each first harmonic signal is more than the first predetermined power respectively;Rp unit, first harmonic signal for power to be more than to the first predetermined power carries out reverse phase, to obtain the first reverse phase harmonic signal, when the first reverse phase harmonic signal is loaded in transmitting antenna, at least partly radiation dispersion caused by the first electromagnetic wave signal of the first frequency range is radiated to eliminate transmitting antenna, wherein, when the transmitting antenna radiates the first electromagnetic wave signal of first frequency range, the reception antenna receives first mixed signal.The application harmonic suppression apparatus helps to inhibit radiation dispersion, improves communication quality.

Description

Harmonic suppression apparatus, antenna module and electronic device
Technical field
This application involves a kind of electronic device field more particularly to harmonic suppression apparatus, antenna module and electronic devices.
Background technology
With the development of mobile communication technology, electronic device (especially mobile phone) developed diversified form and Material.Due to metal back cover so that the appearance of electronic device is more gorgeous, and metal back cover is more wear-resisting, and therefore, electronics is filled The rear cover (battery cover) set is set as metal material gradually into mainstream.Electronic device is being communicated with other electronic devices When, it is often necessary to electromagnetic wave signal is radiate by antenna, and needs antenna to receive the electricity that other electronic devices are sent out Magnetostatic wave signal.However, it is exceeded to be easy to cause radiation dispersion when electromagnetic signals for the electronic device of metal shell. Radiation dispersion is the forcible authentication index of electronic equipment, especially mobile logical communication system (the Global System in the whole world Mobile Communication, GSM) frequency range, since the power of GSM itself is higher, it is easy to cause radiation dispersion exceeded.
Invention content
This application provides a kind of harmonic suppression apparatus, the harmonic suppression apparatus includes:
Demodulating unit, the first mixed signal that the electromagnetic wave signal for receiving reception antenna from space obtains into Row demodulation, obtains multiple first harmonic signals;
Judging unit, for judging whether the power of each first harmonic signal is more than the first predetermined power respectively;
Rp unit, the first harmonic signal for power to be more than to the first predetermined power carries out reverse phase, to obtain first Reverse phase harmonic signal, when the first reverse phase harmonic signal is loaded in transmitting antenna, to eliminate transmitting antenna radiation first At least partly radiation dispersion caused by first electromagnetic wave signal of frequency range.
Present invention also provides a kind of antenna module, the antenna module includes:Driving source, transmitting antenna, reception antenna And harmonic suppression apparatus, the driving source are used for for generating the first pumping signal, the transmitting antenna according to the first excitation Signal generates the first electromagnetic wave signal of the first frequency range, and the first electromagnetic wave signal of the first frequency range is radiated in space, institute The electromagnetic wave signal in reception antenna reception space is stated, and the first mixing is obtained according to the electromagnetic wave signal received from space Signal, the harmonic suppression apparatus include demodulating unit, judging unit and rp unit, and the demodulating unit by first for mixing It closes signal to be demodulated, obtains multiple first harmonic signals, the judging unit judges the work(of each first harmonic signal respectively Whether rate is more than the first predetermined power, rp unit, and the first harmonic signal for power to be more than to the first predetermined power carries out Reverse phase, to obtain the first reverse phase harmonic signal, when the first reverse phase harmonic signal is for loading in transmitting antenna, to eliminate The transmitting antenna radiates caused by the first electromagnetic wave signal of the first frequency range at least partly radiation dispersion, wherein the transmitting Described in aerial radiation when the first electromagnetic wave signal of the first frequency range, the reception antenna receives the first mixing letter Number.
Compared to the prior art, the electromagnetic wave that the harmonic suppression apparatus of the application receives reception antenna from space is believed Number the first obtained mixed signal is demodulated, and obtains multiple first harmonic signals, and power is more than the first predetermined power First harmonic signal carries out reverse phase, and to obtain the first reverse phase harmonic signal, the first reverse phase harmonic signal is loaded in transmitting When in antenna, at least partly radiation dispersion caused by the first electromagnetic wave signal of the first frequency range is radiated to eliminate transmitting antenna, this The harmonic suppression apparatus of application can eliminate at least partly radiation dispersion, improve communication quality.
Present invention also provides a kind of electronic device, the electronic device includes the antenna module.
Description of the drawings
It, below will be to needed in embodiment in order to illustrate more clearly of the technical solution of the embodiment of the present application Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the application, general for this field For logical technical staff, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the harmonic suppression apparatus that one embodiment of the application provides.
Fig. 2 is the structural schematic diagram for the antenna module that one embodiment of the application provides.
Fig. 3 is the structural schematic diagram for the electronic device that one embodiment of the application provides.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on Embodiment in the application, those of ordinary skill in the art are obtained every other under the premise of not making the creative labor Embodiment shall fall in the protection scope of this application.
In the description of the embodiment of the present application, it is to be understood that the orientation or positional relationship of the instructions such as term " thickness " is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the application and simplifies to describe, rather than imply or refer to Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair The limitation of the application.
Radiation dispersion is the forcible authentication index of electronic equipment, especially the mobile logical communication system (Global in the whole world System for Mobile Communication, GSM) frequency range, since the power of GSM itself is higher, it is easy to cause to radiate It is spuious exceeded.For example, in one embodiment, when the transmitting antenna in antenna module is according to the first pumping signal radiation the When first electromagnetic wave signal of one frequency range, since there are linear units (for example, fingerprint holder, refers to around antenna module Line chip, USB, tuning switch of antenna etc.), due to the nonlinear interaction of these nonlinear devices, nonlinear device is past The harmonic waves such as second harmonic or triple-frequency harmonics are generated according to the first electromagnetic wave signal of the first frequency range toward meeting.When the non-linear device When the size of part just matches with the size of radiation harmonic wave, the nonlinear device will go out these harmonic radiations It goes, it is exceeded so as to cause radiation dispersion.For the first electromagnetic wave signal of the first frequency range, second harmonic and triple-frequency harmonics etc. Harmonic wave constitutes radiation dispersion.Typically, the size of the nonlinear device and the size of radiation harmonic wave, which match, refers to: The electrical length of nonlinear device is equal to a quarter of harmonic wave.For corresponding rectangular nonlinear device, the non-linear device The electrical length of part is the length of the long side of nonlinear device;For arc-shaped nonlinear device, the nonlinear device Electrical length be nonlinear device perimeter.Therefore, for rectangular nonlinear device, when the nonlinear device The length of long side be equal to the harmonic wave wavelength a quarter when, then the size of the nonlinear device with radiation harmonic wave Size match, then the nonlinear device can go out the harmonic radiation;For arc-shaped nonlinear device Speech, when a quarter for the wavelength that the perimeter of arc-shaped nonlinear device is equal to harmonic wave, then the nonlinear device Size and radiate harmonic wave size match, then the nonlinear device can go out the harmonic radiation.In addition, working as institute State the size of transmitting antenna 200 and when the size of radiation harmonic wave matches, the harmonic wave generated on the nonlinear device It can also be transferred on the transmitting antenna 200 along introductory path, be radiate by the transmitting antenna 200.Due to this A little harmonic waves are radiated, then it is exceeded to result in radiation dispersion.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram for the harmonic suppression apparatus that one embodiment of the application provides.It is described humorous Wave restraining device 400 includes demodulating unit 410, judging unit 420 and rp unit 430.The effect of each unit is described below.
The demodulating unit 410, the electromagnetic wave signal for receiving reception antenna 300 from space obtain first Mixed signal is demodulated, and multiple first harmonic signals are obtained.
When the transmitting antenna 200 in antenna module 10 is believed according to the first electromagnetic wave of the first pumping signal the first frequency range of radiation Number when, the reception antenna 300 in antenna module 10 receives electromagnetic wave signal from space, obtains the first mixed signal.This When, the electromagnetic wave signal that the reception antenna 300 in antenna module 10 is received from space includes the first electromagnetic wave of the first frequency range The each harmonic signal of signal and the first electromagnetic wave signal of the first frequency range is (for example, second harmonic signal, harmonic signal Deng).If by first mixed signal all demodulation, the first electromagnetic wave signal corresponding the of the first frequency range can be obtained One baseband signal and multiple first harmonic signals.In the present embodiment, the demodulating unit 410 is by the first mixed signal It is demodulated, obtains multiple first harmonic signals.
The judging unit 420, for judging whether the power of each first harmonic signal is more than the first default work(respectively Rate.When there are the first harmonic signal that power is more than the first predetermined power, then it is assumed that power is more than the of the first predetermined power Radiation dispersion is larger caused by one harmonic signal, then power needs to be suppressed more than the first harmonic signal of the first predetermined power. In other words, when the power of the first harmonic signal is more than the first predetermined power, then it is assumed that, first harmonic signal can cause Radiation dispersion.It is to be appreciated that first predetermined power can be arranged according to actual conditions.
The rp unit 430, the first harmonic signal for power to be more than to the first predetermined power carry out reverse phase, with To the first reverse phase harmonic signal, when the first reverse phase harmonic signal is for loading in transmitting antenna 200, to eliminate the hair It penetrates antenna 200 and radiates at least partly radiation dispersion caused by the first electromagnetic wave signal of the first frequency range.Wherein, the transmitting antenna When radiating the first electromagnetic wave signal of first frequency range, the reception antenna receives first mixed signal.
Compared to the prior art, the electromagnetism that the harmonic suppression apparatus 400 of the application receives reception antenna from space The first mixed signal that wave signal obtains is demodulated, and obtains multiple first harmonic signals, and power is more than the first default work( The first harmonic signal of rate carries out reverse phase, and to obtain the first reverse phase harmonic signal, the first reverse phase harmonic signal is loaded in When in transmitting antenna, at least partly radiated caused by the first electromagnetic wave signal to eliminate transmitting antenna the first frequency range of radiation miscellaneous It dissipates, the harmonic suppression apparatus of the application can eliminate at least partly radiation dispersion, improve communication quality.
The demodulating unit 410 is additionally operable to demodulate first mixed signal to obtain the first electricity of the first frequency range Corresponding first baseband signal of magnetostatic wave signal.Correspondingly, the harmonic suppression apparatus 400 further includes:Combiner unit 440.It is described Combiner unit 440 is used to first baseband signal and the first reverse phase harmonic signal being combined;The first base band after combining Signal and the first reverse phase harmonic signal are loaded on transmitting antenna 200.
The harmonic suppression apparatus 400 further includes:Monitoring unit 450 and unit 460 is transferred, each unit is discussed in detail It is as follows.
Whether the monitoring unit 450, the pumping signal for monitoring the reception of reception antenna 300 are cut by the first pumping signal Shift to the second pumping signal, wherein the transmitting antenna 200 generates the first electromagnetic wave of the first frequency range according to the first pumping signal Signal, the transmitting antenna 200 generate the first electromagnetic wave signal of the second frequency range according to the second pumping signal.Specifically, described Monitoring unit 450 is used to detect the frequency for the pumping signal that driving source 100 is sent out every preset time to sentence the driving source 100 Whether the pumping signal sent out by the first pumping signal switches to the second pumping signal.It is to be appreciated that in another embodiment In, the monitoring unit 450 is additionally operable to judge that the driving source 100 is sent out sharp according to the frequency of the first harmonic signal Encourage whether signal by the first pumping signal switches to the second pumping signal.For example, swash when the driving source 100 sends out first Signal is encouraged, when reception antenna 300 generates the electromagnetic wave signal of GSM900MHZ according to the first pumping signal, then, and electronic device The frequency for the second harmonic that nonlinear device around 1 is generated according to the electromagnetic wave signal of GSM900MHZ is 1800MHZ, non-thread Property the frequency of triple-frequency harmonics that is generated according to the electromagnetic wave signal of GSM900MHZ of device be 2700MHZ ..., non-linear device The frequency for the n times harmonic wave that part is generated according to the electromagnetic wave signal of GSM900MHZ is (900*N) MHZ, wherein N is positive integer.When The driving source 100 sends out the second pumping signal, and the electromagnetic wave that reception antenna 300 generates GSM800 according to the second pumping signal is believed Number when, then the nonlinear device around electronic device 1 is generated according to the electromagnetic wave signal of GSM800MHZ second harmonic Frequency is 1600MHZ, and the frequency for the triple-frequency harmonics that nonlinear device is generated according to the electromagnetic wave signal of GSM800MHZ is 2400MHZ ..., the frequency for the n times harmonic wave that nonlinear device is generated according to the electromagnetic wave signal of GSM800MHZ is (800* N) MHZ, wherein N is positive integer.Therefore, the detection unit then may determine that institute according to the frequency of the first harmonic signal State whether pumping signal that driving source 100 is sent out by the first pumping signal switches to the second pumping signal.
It is described to transfer unit 460, when the monitoring unit 450 monitors that the first pumping signal switches to the second pumping signal When, the second reverse phase harmonic signal to prestore is transferred, the second reverse phase harmonic signal is for eliminating the radiation of transmitting antenna 200 second At least partly radiation dispersion caused by first electromagnetic wave signal of frequency range.
It is to be appreciated that in other embodiments, when the monitoring unit 450 monitors that first pumping signal is cut When shifting to second pumping signal, the demodulating unit 410 is additionally operable to the electromagnetism for receiving reception antenna 300 from space The second mixed signal that wave signal obtains is demodulated, to obtain multiple second harmonic signals.Transmitting in antenna module 10 When antenna 200 radiates the first electromagnetic wave signal of the second frequency range according to the second pumping signal, the reception in antenna module 10 Antenna 300 receives electromagnetic wave signal from space, obtains the second mixed signal.At this point, the reception antenna 300 in antenna module 10 The electromagnetic wave signal received from space includes the first electromagnetic wave signal of the second frequency range and the first electromagnetism of the second frequency range The each harmonic signal (for example, second harmonic signal, harmonic signal etc.) of wave signal.If second mixed signal is complete If portion demodulates, then corresponding second baseband signal of the first electromagnetic wave signal of the second frequency range and multiple second humorous can be obtained Wave signal.At this point, the judging unit 420 is additionally operable to judge whether the power of each second harmonic signal is more than the second default work( Rate.When there are the first harmonic signal that power is more than the second predetermined power, then it is assumed that power is more than the second predetermined power Second harmonic signal caused by radiation dispersion it is larger, then power be more than the second predetermined power second harmonic signal needs pressed down System.It is to be appreciated that second predetermined power can be configured according to actual conditions.At this point, the rp unit 430 is also Second harmonic signal for power to be more than to second predetermined power carries out reverse phase, is believed with obtaining the second reverse phase harmonic wave Number.The second reverse phase harmonic signal is loaded in transmitting antenna 200, and the second frequency range is radiated to eliminate transmitting antenna 200 At least partly radiation dispersion caused by first electromagnetic wave signal.
It is to be appreciated that in other embodiments, when the detection unit detects the first pumping signal switching When to second pumping signal, electromagnetic wave signal of the demodulating unit 410 for receiving reception antenna 300 from space The second obtained mixed signal is demodulated, to obtain multiple second harmonic signals.When the transmitting antenna 200 in antenna module 10 When the first electromagnetic wave signal of the second frequency range being radiated according to the second pumping signal, the reception antenna 300 in antenna module 10 Electromagnetic wave signal is received from space, obtains the second mixed signal.At this point, reception antenna 300 in antenna module 10 is from space In the electromagnetic wave signal that receives include the first electromagnetic wave signal of the second frequency range and the first electromagnetic wave signal of the second frequency range Each harmonic signal (for example, second harmonic signal, harmonic signal etc.).If second mixed signal is all demodulated If, then it can obtain corresponding second baseband signal of the first electromagnetic wave signal of the second frequency range and multiple second harmonic signals.
At this point, the second harmonic signal that the rp unit 430 is used to power being more than third predetermined power carries out reverse phase, To obtain the second reverse phase harmonic signal, the second reverse phase harmonic signal is loaded in transmitting antenna 200, and, at this point, described It transfers unit 460 to be additionally operable to transfer the third reverse phase harmonic signal to prestore, the second reverse phase harmonic signal and the third are anti- Phase harmonic signal is caused when being used to eliminate the first electromagnetic wave signal of the second frequency range of radiation of transmitting antenna 200 at least partly to be radiated It is spuious.
For example, the second harmonic signal for third predetermined power being more than for power carries out reverse phase, obtains the second reverse phase Harmonic signal when by the second reverse phase harmonic signal load in transmitting antenna 200, can eliminate that power is larger (to be more than the One threshold value) second harmonic signal, to eliminate caused main spoke when transmitting antenna 200 radiates the electromagnetic wave signal of the second frequency range It penetrates spuious;Then, the unit 460 of transferring transfers the third reverse phase harmonic signal to prestore, and the third harmonic signal can disappear Except the second harmonic signal of power secondary big (be more than second threshold and be less than or equal to first threshold).The level that this programme embodies Change ground and eliminate radiation dispersion caused by the electromagnetic wave signal of the second frequency range of radiation of transmitting antenna 200, preferably inhibits to reach The technique effect of radiation dispersion.
It is to be appreciated that combiner unit 440 in other embodiments, for driving the first of transmitting antenna 200 to swash Signal is encouraged to be combined with the first reverse phase harmonic signal;The first pumping signal after combining and the first reverse phase harmonic signal quilt It is loaded on the transmitting antenna 200.
Present invention also provides a kind of antenna modules, referring to Fig. 2, Fig. 2 is the antenna that one embodiment of the application provides The structural schematic diagram of component.The antenna module 10 includes:Driving source 100, transmitting antenna 200, reception antenna 300 and harmonic wave Restraining device 400, the driving source 100 are used for for generating the first pumping signal, the transmitting antenna 200 according to the first excitation Signal generates the first electromagnetic wave signal of the first frequency range, and the first electromagnetic wave signal of the first frequency range is radiated in space, institute The electromagnetic wave signal in 300 reception space of reception antenna is stated, and first is obtained according to the electromagnetic wave signal received from space Mixed signal, the harmonic suppression apparatus 400 include demodulating unit 410, judging unit 420 and rp unit 430, the demodulation Unit 410 obtains multiple first harmonic signals, the judging unit 420 is sentenced respectively for demodulating the first mixed signal Whether the power of disconnected each first harmonic signal is more than the first predetermined power, and rp unit 430 is pre- for power to be more than first If the first harmonic signal of power carries out reverse phase, to obtain the first reverse phase harmonic signal, the first reverse phase harmonic signal is added It is loaded in transmitting antenna 200, is radiated caused by the first electromagnetic wave signal of the first frequency range at least partly with eliminating transmitting antenna 200 Radiation dispersion.
The demodulating unit 410 is additionally operable to demodulate first mixed signal to obtain the first electricity of the first frequency range Corresponding first baseband signal of magnetostatic wave signal.And the harmonic suppression apparatus 400 further includes combiner unit 440, the combining is single Member 440 for first baseband signal and the first reverse phase harmonic signal to be combined, the first baseband signal after combining and First reverse phase harmonic signal is loaded on transmitting antenna 200, and the transmitting antenna 200 is according to the first baseband signal after combining The second electromagnetic wave signal is generated with the first reverse phase harmonic signal.
The driving source 100 is additionally operable to generate the second pumping signal, and the transmitting antenna 200 is additionally operable to according to described second Pumping signal generates the first electromagnetic wave signal of the second frequency range.
The harmonic suppression apparatus 400 further includes monitoring unit 450 and transfers unit 460.The monitoring unit 450 is used for Monitor whether pumping signal that the driving source 100 is sent out by the first pumping signal switches to the second pumping signal.Specifically, institute The frequency of pumping signal of the monitoring unit 450 for being sent out every preset time detection driving source 100 is stated to sentence the driving source Whether 100 pumping signals sent out by the first pumping signal switch to the second pumping signal.It is to be appreciated that in another embodiment party In formula, the monitoring unit 450 is additionally operable to judge what the driving source 100 was sent out according to the frequency of the first harmonic signal Whether pumping signal by the first pumping signal switches to the second pumping signal.For example, when the driving source 100 sends out first Pumping signal, when reception antenna 300 generates the electromagnetic wave signal of GSM900MHZ according to the first pumping signal, then, and electronics dress The frequency for setting the second harmonic that the nonlinear device around 1 is generated according to the electromagnetic wave signal of GSM900MHZ is 1800MHZ, non- The frequency for the triple-frequency harmonics that linear unit is generated according to the electromagnetic wave signal of GSM900MHZ is 2700MHZ ..., it is non-linear The frequency for the n times harmonic wave that device is generated according to the electromagnetic wave signal of GSM900MHZ is (900*N) MHZ, wherein N is positive integer. When the driving source 100 sends out the second pumping signal, reception antenna 300 generates the electromagnetic wave of GSM800 according to the second pumping signal When signal, then the nonlinear device around electronic device 1 is generated according to the electromagnetic wave signal of GSM800MHZ second harmonic Frequency be 1600MHZ, the frequency for the triple-frequency harmonics that nonlinear device is generated according to the electromagnetic wave signal of GSM800MHZ is 2400MHZ ..., the frequency for the n times harmonic wave that nonlinear device is generated according to the electromagnetic wave signal of GSM800MHZ is (800* N) MHZ, wherein N is positive integer.Therefore, the detection unit then may determine that institute according to the frequency of the first harmonic signal State whether pumping signal that driving source 100 is sent out by the first pumping signal switches to the second pumping signal.
It is described to transfer unit 460, for monitoring that the driving source 100 is sent out sharp when the harmonic suppression apparatus 400 When encouraging signal and switching to the second pumping signal by the first pumping signal, the second reverse phase harmonic signal to prestore is transferred, and will be described Second reverse phase harmonic signal loads on the transmitting antenna 200, and the second reverse phase harmonic signal is for eliminating transmitting antenna At least partly radiation dispersion caused by first electromagnetic wave signal of 200 the second frequency ranges of radiation.
It is to be appreciated that in other embodiments, when the monitoring unit 450 monitors that first pumping signal is cut When shifting to second pumping signal, the demodulating unit 410 is additionally operable to the electromagnetism for receiving reception antenna 300 from space The second mixed signal that wave signal obtains is demodulated, to obtain multiple second harmonic signals.Transmitting in antenna module 10 When antenna 200 radiates the first electromagnetic wave signal of the second frequency range according to the second pumping signal, the reception in antenna module 10 Antenna 300 receives electromagnetic wave signal from space, obtains the second mixed signal.At this point, the reception antenna 300 in antenna module 10 The electromagnetic wave signal received from space includes the first electromagnetic wave signal of the second frequency range and the first electromagnetism of the second frequency range The each harmonic signal (for example, second harmonic signal, harmonic signal etc.) of wave signal.If second mixed signal is complete If portion demodulates, then corresponding second baseband signal of the first electromagnetic wave signal of the second frequency range and multiple second humorous can be obtained Wave signal.At this point, the judging unit 420 is additionally operable to judge whether the power of each second harmonic signal is more than the second default work( Rate.When there are the first harmonic signal that power is more than the second predetermined power, then it is assumed that power is more than the second predetermined power Second harmonic signal caused by radiation dispersion it is larger, then power be more than the second predetermined power second harmonic signal needs pressed down System.It is to be appreciated that second predetermined power can be configured according to actual conditions.At this point, the rp unit 430 is also Second harmonic signal for power to be more than to second predetermined power carries out reverse phase, is believed with obtaining the second reverse phase harmonic wave Number.The second reverse phase harmonic signal is loaded in transmitting antenna 200, and the second frequency range is radiated to eliminate transmitting antenna 200 At least partly radiation dispersion caused by first electromagnetic wave signal.
It is to be appreciated that in other embodiments, when the detection unit detects the first pumping signal switching When to second pumping signal, electromagnetic wave signal of the demodulating unit 410 for receiving reception antenna 300 from space The second obtained mixed signal is demodulated, to obtain multiple second harmonic signals.When the transmitting antenna 200 in antenna module 10 When the first electromagnetic wave signal of the second frequency range being radiated according to the second pumping signal, the reception antenna 300 in antenna module 10 Electromagnetic wave signal is received from space, obtains the second mixed signal.At this point, reception antenna 300 in antenna module 10 is from space In the electromagnetic wave signal that receives include the first electromagnetic wave signal of the second frequency range and the first electromagnetic wave signal of the second frequency range Each harmonic signal (for example, second harmonic signal, harmonic signal etc.).If second mixed signal is all demodulated If, then it can obtain corresponding second baseband signal of the first electromagnetic wave signal of the second frequency range and multiple second harmonic signals.
At this point, the second harmonic signal that the rp unit 430 is used to power being more than third predetermined power carries out reverse phase, To obtain the second reverse phase harmonic signal, the second reverse phase harmonic signal is loaded in transmitting antenna 200, and, at this point, described It transfers unit 460 to be additionally operable to transfer the third reverse phase harmonic signal to prestore, the second reverse phase harmonic signal and the third are anti- Phase harmonic signal is caused when being used to eliminate the first electromagnetic wave signal of the second frequency range of radiation of transmitting antenna 200 at least partly to be radiated It is spuious.
For example, the second harmonic signal for third predetermined power being more than for power carries out reverse phase, obtains the second reverse phase Harmonic signal when by the second reverse phase harmonic signal load in transmitting antenna 200, can eliminate that power is larger (to be more than the One threshold value) second harmonic signal, to eliminate caused main spoke when transmitting antenna 200 radiates the electromagnetic wave signal of the second frequency range It penetrates spuious;Then, the unit 460 of transferring transfers the third reverse phase harmonic signal to prestore, and the third harmonic signal can disappear Except the second harmonic signal of power secondary big (be more than second threshold and be less than or equal to first threshold).The level that this programme embodies Change ground and eliminate radiation dispersion caused by the electromagnetic wave signal of the second frequency range of radiation of transmitting antenna 200, preferably inhibits to reach The technique effect of radiation dispersion.
In the present embodiment, the transmitting antenna 200 is primary antenna, and the reception antenna 300 is diversity antenna.It is described Transmitting antenna 200 and the reception antenna 300 can be arranged at intervals on the two of the electronic device 1 that the antenna module 10 is applied Side provides the communication quality of electronic device 1 to increase the isolation of the transmitting antenna 200 and the reception antenna 300.
It is to be appreciated that the antenna module 10 of the application further includes impedance matching circuit 500, the impedance matching circuit 500 one end are electrically connected the driving source 100, and the other end is electrically connected the transmitting antenna 200, and the impedance matching circuit 500 is used In the output impedance for adjusting the driving source 100, and the impedance matching circuit 500 is additionally operable to adjust the transmitting antenna 200 input impedance, to adjust the matching degree of the output impedance and the input impedance.The antenna module 10 of the present invention passes through Adjust the matching degree of the output impedance and the input impedance so that the output impedance of the driving source 100 and the transmitting The input resistant matching of antenna 200 is transferred to the transmitting antenna 200 to reduce the pumping signal that the driving source 100 is sent out On energy loss, the signal transmission quality for the pumping signal that the driving source 100 is sent out is improved, to improve the antenna module The communication quality of 10 electronic devices 1 applied.
It is to be understood that in other embodiments, the conjunction of the harmonic suppression apparatus 400 in the antenna module 10 Road unit 440 is used to first pumping signal and the first reverse phase harmonic signal being combined, the first excitation letter after combining It number is loaded on the transmitting antenna 200 with the first reverse phase harmonic signal, after the transmitting antenna 200 is according to combining First baseband signal generates the second electromagnetic wave signal with the first reverse phase harmonic signal.
Present invention also provides a kind of electronic devices 1, referring to Fig. 3, Fig. 3 is the electronics that one embodiment of the application provides The structural schematic diagram of device.The electronic device 1 includes the antenna module 10 described in aforementioned any one embodiment.The electronics Device 1 include but are not limited to for smart mobile phone, internet device (mobile internet device, MID), e-book, Portable broadcast station (Play Station Portable, PSP) or personal digital assistant (Personal Digital Assistant, PDA) etc. portable devices.
It is to be appreciated that in the description of presently filed embodiment, term "center", " longitudinal direction ", " transverse direction ", " length Degree ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", The orientation or positional relationship of the instructions such as "outside", " clockwise ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, only It is presently filed embodiment and simplified description for ease of description, does not indicate or imply the indicated device or element is necessary With specific orientation, with specific azimuth configuration and operation, therefore should not be understood as the limitation to presently filed embodiment. In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance or implicit Indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or impliedly wrap Include one or more feature.In the description of presently filed embodiment, the meaning of " plurality " is two or two More than, unless otherwise specifically defined.
In the description of presently filed embodiment, it should be noted that unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body;It can be mechanical connection, can also be to be electrically connected or can mutually communicate;It can be directly connected, can also lead to It crosses intermediary to be indirectly connected, can be the interaction relationship of the connection or two elements inside two elements.For ability For the those of ordinary skill in domain, it can understand that specific in presently filed embodiment of above-mentioned term containing as the case may be Justice.
In presently filed embodiment unless specifically defined or limited otherwise, fisrt feature second feature it "upper" or "lower" may include that the first and second features are in direct contact, can also include the first and second features not be directly to connect It touches but passes through the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " on Face " includes fisrt feature right over second feature and oblique upper, or to be merely representative of fisrt feature level height special higher than second Sign.Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature right over second feature and tiltedly on Side, or be merely representative of fisrt feature level height and be less than second feature.
Following disclosure provides many different embodiments or example is used for realizing presently filed embodiment not Same structure.In order to simplify the disclosure of presently filed embodiment, hereinafter the component of specific examples and setting are described.When So, they are merely examples, and purpose does not lie in limitation the application.In addition, presently filed embodiment can be in different examples Repeat reference numerals and/or reference letter in son, this repetition are for purposes of simplicity and clarity, itself not indicate to be begged for By the relationship between various embodiments and/or setting.In addition, the various specific techniques that presently filed embodiment provides With the example of material, but make those of ordinary skill in the art may realize that the application of other techniques and/or other materials With.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation The description of mode ", " example ", " specific example " or " some examples " etc. means the tool described in conjunction with the embodiment or example Body characteristics, structure, material or feature are contained at least one embodiment or example of the application.In the present specification, Schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot Structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discuss suitable Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be by the application Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for Instruction execution system, device or equipment (system of such as computer based system including processor or other can be held from instruction The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicating, propagating or passing Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment It sets.The more specific example (non-exhaustive list) of computer-readable medium includes following:Electricity with one or more wiring Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or when necessary with it His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of presently filed embodiment can be with hardware, software, firmware or combination thereof come real It is existing.In the above-described embodiment, multiple steps or method can use storage in memory and by suitable instruction execution system The software or firmware of execution is realized.For example, if realized with hardware, in another embodiment, ability can be used Any one of following technology or their combination well known to domain are realized:With for realizing logic function to data-signal The discrete logic of logic gates, the application-specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium In matter, which includes the steps that one or a combination set of embodiment of the method when being executed.
In addition, each functional unit in each embodiment of the application can integrate in a processor, it can also That each unit physically exists alone, can also two or more units be integrated in a module.Above-mentioned integrated mould The form that hardware had both may be used in block is realized, can also be realized in the form of software function module.The integrated module is such as Fruit is realized in the form of software function module and when sold or used as an independent product, can also be stored in a computer In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned Embodiment is changed, changes, replacing and modification, these improvements and modifications are also considered as the protection domain of the application.

Claims (12)

1. a kind of harmonic suppression apparatus, which is characterized in that the harmonic suppression apparatus includes:
Demodulating unit, the first mixed signal that the electromagnetic wave signal for receiving reception antenna from space obtains solve It adjusts, obtains multiple first harmonic signals;
Judging unit, for judging whether the power of each first harmonic signal is more than the first predetermined power respectively;
Rp unit, the first harmonic signal for power to be more than to the first predetermined power carries out reverse phase, to obtain the first reverse phase Harmonic signal, when the first reverse phase harmonic signal is for loading in transmitting antenna, to eliminate transmitting antenna radiation the At least partly radiation dispersion caused by first electromagnetic wave signal of one frequency range, wherein transmitting antenna radiation first frequency When first electromagnetic wave signal of section, the reception antenna receives first mixed signal.
2. harmonic suppression apparatus as described in claim 1, which is characterized in that the demodulating unit is additionally operable to mix described first Signal is closed to be demodulated to obtain the first baseband signal;
The harmonic suppression apparatus further includes:
Combiner unit, for first baseband signal and the first reverse phase harmonic signal to be combined;The first base after combining Band signal and the first reverse phase harmonic signal are loaded on transmitting antenna.
3. harmonic suppression apparatus as described in claim 1, which is characterized in that the harmonic suppression apparatus further includes:
Combiner unit, for driving the first pumping signal of transmitting antenna to be combined with the first reverse phase harmonic signal;After combining The first pumping signal and the first reverse phase harmonic signal be loaded on the transmitting antenna.
4. harmonic suppression apparatus as described in claim 1, which is characterized in that the harmonic suppression apparatus further includes:
Monitoring unit, whether the pumping signal for monitoring reception antenna reception switches to the second excitation by the first pumping signal is believed Number, wherein the reception antenna generates the first electromagnetic wave signal of the first frequency range, the reception antenna according to the first pumping signal The first electromagnetic wave signal of the second frequency range is generated according to the second pumping signal;
Unit is transferred, when the monitoring unit monitors that the first pumping signal switches to the second pumping signal, transfers and prestores Second reverse phase harmonic signal, the second reverse phase harmonic signal are used to eliminate the first electromagnetic wave that transmitting antenna radiates the second frequency range At least partly radiation dispersion caused by signal.
5. harmonic suppression apparatus as claimed in claim 4, which is characterized in that the monitoring unit is used to examine every preset time The frequency for the pumping signal that driving source is sent out is surveyed to sentence whether the pumping signal that the driving source is sent out is cut by the first pumping signal Shift to the second pumping signal.
6. a kind of antenna module, which is characterized in that the antenna module includes:Driving source, transmitting antenna, reception antenna and humorous Wave restraining device, the driving source are used to be produced according to the first pumping signal for generating the first pumping signal, the transmitting antenna First electromagnetic wave signal of raw first frequency range, and the first electromagnetic wave signal of the first frequency range is radiated in space, the reception Electromagnetic wave signal in antenna reception space, and the first mixed signal is obtained according to the electromagnetic wave signal received from space, The harmonic suppression apparatus includes demodulating unit, judging unit and rp unit, and the demodulating unit is used to believe the first mixing It number is demodulated, obtains multiple first harmonic signals, the judging unit judges that the power of each first harmonic signal is respectively No to be more than the first predetermined power, rp unit carries out reverse phase for the first harmonic signal by power more than the first predetermined power, To obtain the first reverse phase harmonic signal, when the first reverse phase harmonic signal is for loading in transmitting antenna, described in elimination Transmitting antenna radiates at least partly radiation dispersion caused by the first electromagnetic wave signal of the first frequency range, wherein the transmitting antenna When radiating the first electromagnetic wave signal of first frequency range, the reception antenna receives first mixed signal.
7. antenna module as claimed in claim 6, which is characterized in that the demodulating unit be additionally operable to by first mixed signal into Row demodulation is to obtain the first baseband signal, and the harmonic suppression apparatus further includes combiner unit, and the combiner unit is used for will First baseband signal is combined with the first reverse phase harmonic signal, the first baseband signal after combining and the first reverse phase harmonic wave Signal is loaded on transmitting antenna, and the transmitting antenna is according to the first baseband signal and the first reverse phase harmonic wave after combining Signal generates the second electromagnetic wave signal.
8. antenna module as claimed in claim 6, which is characterized in that the harmonic suppression apparatus further includes combiner unit, the conjunction Road unit is used to first pumping signal and the first reverse phase harmonic signal being combined, the first pumping signal after combining and The first reverse phase harmonic signal is loaded on the transmitting antenna, and the transmitting antenna is believed according to the first base band after combining Number with the first reverse phase harmonic signal generate the second electromagnetic wave signal.
9. antenna module as claimed in claim 6, which is characterized in that the driving source is additionally operable to generate the second pumping signal, The transmitting antenna is additionally operable to generate the first electromagnetic wave signal of the second frequency range according to second pumping signal, the harmonic wave suppression Device processed further includes monitoring unit and transfers unit, and the monitoring unit is for monitoring the pumping signal that the driving source is sent out It is no that second pumping signal is switched to by the first pumping signal, when the harmonic suppression apparatus monitors that the driving source is sent out sharp When encouraging signal and switching to the second pumping signal by the first pumping signal, the unit of transferring transfers the second reverse phase harmonic wave letter to prestore Number, and by the second reverse phase harmonic signal load on the transmitting antenna, the second reverse phase harmonic signal is for eliminating Transmitting antenna radiates at least partly radiation dispersion caused by the first electromagnetic wave signal of the second frequency range.
10. antenna module as claimed in claim 9, which is characterized in that the monitoring unit is used to detect every preset time Whether the frequency for the pumping signal that the driving source is sent out is to sentence pumping signal that the driving source is sent out by the first pumping signal Switch to the second pumping signal.
11. antenna module as claimed in claim 6, which is characterized in that the transmitting antenna is primary antenna, the reception antenna For diversity antenna.
12. a kind of electronic device, which is characterized in that the electronic device includes as described in claim 6~11 any one Antenna module.
CN201810114976.XA 2018-02-05 2018-02-05 Harmonic suppression device, antenna assembly and electronic device Expired - Fee Related CN108390149B (en)

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Citations (4)

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Publication number Priority date Publication date Assignee Title
CN101859568A (en) * 2009-04-10 2010-10-13 比亚迪股份有限公司 Method and device for eliminating voice background noise
JP2013090188A (en) * 2011-10-19 2013-05-13 Renesas Electronics Corp Crystal oscillator circuit
CN105120389A (en) * 2015-08-17 2015-12-02 惠州Tcl移动通信有限公司 A method and earphone for carrying out noise reduction processing according to scenes
CN105812003A (en) * 2016-03-21 2016-07-27 广东欧珀移动通信有限公司 Spurious emission interference suppressing method, spurious emission interference suppressing device and electronic device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101859568A (en) * 2009-04-10 2010-10-13 比亚迪股份有限公司 Method and device for eliminating voice background noise
JP2013090188A (en) * 2011-10-19 2013-05-13 Renesas Electronics Corp Crystal oscillator circuit
CN105120389A (en) * 2015-08-17 2015-12-02 惠州Tcl移动通信有限公司 A method and earphone for carrying out noise reduction processing according to scenes
CN105812003A (en) * 2016-03-21 2016-07-27 广东欧珀移动通信有限公司 Spurious emission interference suppressing method, spurious emission interference suppressing device and electronic device

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