CN110289867A - A kind of method, electronic device and storage medium reducing inter-antenna interference - Google Patents
A kind of method, electronic device and storage medium reducing inter-antenna interference Download PDFInfo
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- CN110289867A CN110289867A CN201910548701.1A CN201910548701A CN110289867A CN 110289867 A CN110289867 A CN 110289867A CN 201910548701 A CN201910548701 A CN 201910548701A CN 110289867 A CN110289867 A CN 110289867A
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- antenna
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- communication module
- disturber
- transmission power
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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
- H04B1/0064—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 separate antennas for the 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
- H04B1/401—Circuits for selecting or indicating operating mode
-
- 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
- H04B1/525—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 with means for reducing leakage of transmitter signal into the receiver
Abstract
A kind of method, electronic device and storage medium reducing inter-antenna interference determines the disturber in this two communication module and disturbed side when listening to first communication module and second communication module person works at the same time；Target jamming signal is calculated when the disturbed signal strength just located is the maximum signal obtained, the maximum transmission power of disturber；The actual emission power of disturber is adjusted to the value for being no more than maximum transmission power, maximum signal above based on target jamming signal obtains the maximum transmission power range of disturber, allow and is effectively controlled target jamming signal within the allowable range the interference of disturbed side by the transmission power of control disturber, the interference between the antenna of two communication modules is not only effectively reduced, the transmission power of disturber can also be balanced and be disturbed the annoyance level of side, both reduced the transmission power that the interference between antenna in turn ensures disturber.
Description
Technical field
This application involves field of communication technology more particularly to a kind of method for reducing inter-antenna interference, electronic device and deposit
Storage media.
Background technique
Currently, with the development of technology, the demand to information transmission is more and more diversified, different types of information transmission can
It can need different communications bands.One electronic equipment may use the transmission of different communications band progress information, in electricity
Co-channel interference or second harmonic interference are generated between the different antennae of sub- equipment.
For example, in the regional Internet of Things communication scenes such as smart home, industrial data collection, it can a kind of long distance of demand
The wireless communication technique from, low-power consumption and largely connected carries out the connection of people and object or object and object, and this communication technology is general
Referred to as LPWAN (Low-Power Wide-Area Network, low-power Wide Area Network).The technology may use arrive
787MHz and neighbouring frequency range carry out networking as communication frequency point, also will use GPS (Global Positioning System,
Global positioning system) positioning to be to realize the function of the mutually shared real-time position information of multi-user in regional network.Therefore, work as LPWAN
When working at the same time with GPS, the second harmonic of LPWAN signal will be dropped into GPS working band (center frequency point 1575.42MHz),
Interfere the normal work of GPS.
In the related technology, usually increase filter in radio-frequency transmissions access, inhibit co-channel interference or with above-mentioned class
As second harmonic interfere, but the scheme of this unilateral filter still has that isolation between antennas is not high enough, to
It settles the matter once and for all, it is also necessary to additionally be further added by filter and inhibit interference, lead to increased costs.
Summary of the invention
The embodiment of the present application provides a kind of method, electronic device and storage medium for reducing inter-antenna interference, can promote day
Isolation between line reduces inter-antenna interference.
The embodiment of the present application first aspect provides a kind of method for reducing inter-antenna interference, this method comprises:
The working condition of first communication module and second communication module is monitored, determines whether the two works at the same time；
If listening to the first communication module and the second communication module working at the same time, determine when working at the same time described in
Disturber and disturbed side in first communication module and the second communication module；
Obtain the maximum signal that target jamming signal is allowed at the disturbed side, wherein the target dry
Disturb the signal that signal is originated from disturber transmitting；
Calculate signal strength of the target jamming signal at the disturbed side be the maximum signal when, institute
State the maximum transmission power of disturber；
The actual emission power of the disturber is adjusted to the value no more than the maximum transmission power.
The embodiment of the present application second aspect provides a kind of electronic device, comprising:
Module is monitored, for monitoring the working condition of first communication module and second communication module, determines whether the two is same
When work；
Determining module determines if working at the same time for listening to the first communication module and the second communication module
Disturber and disturbed side when working at the same time in the first communication module and the second communication module；
Acquisition module, the maximum signal being allowed at the disturbed side for obtaining target jamming signal,
In, the target jamming signal is originated from the signal of disturber transmitting；
Computing module is the maximum for calculating signal strength of the target jamming signal at the disturbed side
When signal strength, the maximum transmission power of the disturber；
Control module, for being adjusted to the actual emission power of the disturber no more than the maximum transmission power
Value.
The embodiment of the present application third aspect provides a kind of electronic device, comprising: memory, processor and is stored in described deposit
On reservoir and the computer program that can run on the processor, when the processor executes the computer program, realize
The step in method that the embodiment of the present application first aspect provides.
The embodiment of the present application fourth aspect provides a kind of storage medium, is stored thereon with computer program, the computer
When program is executed by processor, the step in the method for the embodiment of the present application first aspect offer is realized.
The embodiment of the present application provides a kind of method, electronic device and storage medium for reducing inter-antenna interference, passes through prison
The working condition for listening first communication module and second communication module determines first communication module and when the two works at the same time
Disturber and disturbed side in two communication modules；It is strong to obtain the peak signal that target jamming signal is allowed at disturbed side
Degree；Target jamming signal is calculated when the disturbed signal strength just located is maximum signal, the emission maximum function of disturber
Rate；To adjust the actual emission power of disturber to the value for being no more than maximum transmission power.Pass through target in the present embodiment
The maximum signal of interference signal obtains transmission power range workable for disturber, so that passing through the transmitting of control disturber
Power can effectively control target jamming signal within the allowable range the interference of disturbed side, and two communications are not only effectively reduced
Interference between the antenna of module may also reach up the balance of the transmission power of disturber and the annoyance level for being disturbed side, both
The transmission power that the interference between antenna in turn ensures disturber is reduced, aerial signal quality is promoted.
Detailed description of the invention
Fig. 1 is a kind of hardware structural diagram of electronic device provided by the present application；
Fig. 2 is the flow diagram of the method for the reduction inter-antenna interference that the application first embodiment provides；
Fig. 3 is the connection schematic diagram of the cpu chip and LPWAN chip and GPS chip in the application first embodiment；
Fig. 4 is the flow diagram of the method for the reduction inter-antenna interference refined in the application second embodiment；
Fig. 5 is the schematic diagram that second harmonic interference occurs for LPWAN communication module and GPS communication module in second embodiment；
Fig. 6 is a kind of structural schematic diagram for electronic device that the application 3rd embodiment provides；
Fig. 7 is the structural schematic diagram for another electronic device that the application 3rd embodiment provides.
Specific embodiment
To enable present invention purpose, feature, advantage more obvious and understandable, below in conjunction with the application
Attached drawing in embodiment, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described reality
Applying example is only some embodiments of the present application, and not all embodiments.Based on the embodiment in the application, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Referring to Fig.1, Fig. 1 shows a kind of structural block diagram of electronic device.Between reduction antenna provided in an embodiment of the present invention
The method of interference can be applied in electronic device 10 as shown in Figure 1, and electronic device 10 includes but is not limited to: mobile terminal such as intelligence
Energy mobile phone, notebook and wearing smart machine etc., fixed terminal such as desktop computer and smart television and server etc..
As shown in Figure 1, electronic device 10 includes memory 101, storage control 102, one or more (is only shown in figure
One) processor 103, Peripheral Interface 104 and Touch Screen 105.These components pass through one or more communication bus/signal wire
106 mutually communications.
It is appreciated that structure shown in FIG. 1 is only to illustrate, the structure of electronic device is not caused to limit.Electronics dress
Setting 10 may also include than shown in Fig. 1 more perhaps less component or with the configuration different from shown in Fig. 1.It is shown in FIG. 1
Each component can be realized using hardware, software, or its combination.
Memory 101 can be used for storing software program and module, such as the reduction inter-antenna interference in the embodiment of the present invention
Method and the corresponding program instruction/module of electronic device, processor 103 passes through the software that is stored in memory 101 of operation
Program and module thereby executing various function application and data processing, such as realize above-mentioned reduction inter-antenna interference
Method.
Memory 101 may include high speed random access memory, may also include nonvolatile memory, such as one or more magnetic
Property storage device, flash memory or other non-volatile solid state memories.In some instances, memory 101 can further comprise
The memory remotely located relative to processor 103, these remote memories can pass through network connection to electronic device 10.On
The example for stating network includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.Processor 103
And other possible components can carry out the access of memory 101 under the control of storage control 102.
Various input/output devices are couple CPU and memory 101 by Peripheral Interface 104.The operation of processor 103 is deposited
Various softwares, instruction in reservoir 101 are to execute the various functions of electronic device 10 and carry out data processing.
In some embodiments, Peripheral Interface 104, processor 103 and storage control 102 can be in one single chips
It realizes.In some other example, they can be realized by independent chip respectively.
Touch Screen 105 provides an output and input interface simultaneously between electronic device and user.Specifically, touch-control
Screen 105 shows video output to user, and the content of these videos output may include text, figure, video and its any group
It closes.Some outputs of Touch Screen 105 are the result is that correspond to some user interface objects.Touch Screen 105 also receives user's
Input, such as the gesture operations such as click, sliding of user, so that user interface object responds the input of these users.
The technology of detection user's input can be based on resistance-type, condenser type or any other possible touch control detection technology.Touch-control
The specific example of 105 display unit of screen includes but is not limited to liquid crystal display or light emitting polymer displays.
The method of reduction inter-antenna interference in the embodiment of the present invention is described based on above-mentioned electronic device.
First embodiment:
The present embodiment proposes a kind of method for reducing inter-antenna interference, referring to fig. 2, this method comprises:
Whether simultaneously step 201, the working condition for monitoring first communication module and second communication module determine the two work
Make；
Optionally, in the present embodiment, first communication module and second communication module can be on the same electronic devices, also
It can be located on different electronic devices, the present embodiment is not limited in this respect.
In one example, day that first communication module may include the first communication chip and connect with the first communication chip
Line and peripheral circuit, second communication module may include the second communication chip and the antenna connecting with the second communication chip and week
Side circuit.The type of first communication chip and the second communication chip is unlimited, for example, as shown in figure 3, the first communication chip is
LPWAN (low-power Wide Area Network) chip, the second communication chip are GPS (global positioning system) chip, LPWAN chip and GPS
Chip is connect with the cpu chip of electronic device, is connected by these, LPWAN chip and GPS chip are notified on cpu chip
Breath, cpu chip to sending instructions under LPWAN chip and GPS chip etc., realize control to LPWAN chip and GPS chip and on
State the monitoring in step 201.
Optionally, the quantity of the antenna of above-mentioned first communication module and second communication module is indefinite, can be according to practical need
It is arranged.
If step 202 listens to first communication module and second communication module works at the same time, determine first when working at the same time
Disturber and disturbed side in communication module and second communication module；
Optionally, in the present embodiment, first communication module and second communication module are respectively according to the first operating mode and
Two operating modes work.Under the operating mode of communication module, communication module is with the rule of several working conditions alternating variation
Rule work, optionally, in the present embodiment, the type of working condition include but is not limited to reception state, emission state and to
Machine state.The quantity for the working condition that first operating mode and the second operating mode include can be different, for example, the first Working mould
The working condition of formula includes that the working condition of reception state, emission state and standby mode or the first operating mode includes connecing
Receipts state and standby mode, the working condition of the second operating mode include reception state, emission state and standby mode, Huo Zhe
The working condition of two operating modes includes reception state and standby mode.
For different communication modules, the composition of operating mode may be different.For example, for LPWAN communication module, work
Operation mode is to continue four time slots according to reception state, and standby mode continues a time slot, emission state continue four time slots and
The rule that standby mode continues a time slot is recycled；For GPS communication module, operating mode is to hold according to reception state
Continue four time slots, the rule that standby mode continues a time slot is recycled.It is understood that for first communication module and
For second communication module, only the communication module of emission state can to the communication module of reception state generate interference, it is on the contrary then
Will not, so disturber and disturbed side when determination works at the same time in first communication module and second communication module, need to close
The working frequency of first communication module and second communication module under emission state and reception state is infused, in general, for same
Working frequency under one communication module, emission state and reception state is identical.
Optionally, disturber when working at the same time in first communication module and second communication module and disturbed side's packet are determined
It includes: obtaining the working frequency f1 of first communication module and the working frequency f2 of second communication module；According to the first operating mode and
Whether comprising reception state and emission state and two working frequency f1 and f2 in second operating mode, the first communication mould is determined
Disturber and disturbed side in block and second communication module.
Optionally, if in the first operating mode and the second operating mode including reception state and emission state；According to
Whether comprising reception state and emission state and two working frequency f1 and f2 in one operating mode and the second operating mode, really
Determine the disturber in first communication module and second communication module and disturbed side includes: in the difference for meeting f1 and f2 default
When in difference range, determines first communication module and the second communication module disturber of other side and disturbed side each other, meeting
When the difference of 2f1 and f2 is within the scope of preset difference value, determine that first communication module is disturber, second communication module is disturbed
Side determines that first communication module is disturbed side, the second communication when meeting the difference of f1 and 2f1 within the scope of preset difference value
Module is disturber.Preset difference value range can be set according to actual needs, such as be set as the range etc. that -10M arrives 10M,
The present embodiment is not limited in this respect.
Optionally, if the first operating mode includes reception state and emission state, transmitting is not included in the second operating mode
State, include reception state, according in the first operating mode and the second operating mode whether include reception state and emission state,
And two working frequency f1 and f2, it determines the disturber in first communication module and second communication module and disturbed side includes:
Whether the difference of the difference or 2f1 and f2 that judge f1 and f2 is within the scope of preset difference value, if so, first communication module is dry
The side of disturbing, second communication module are disturbed side.
Step 203 obtains the maximum signal that target jamming signal is allowed at disturbed side, wherein target dry
Disturb the signal of signal source self-interference side transmitting；
Optionally, which can be pre-set, or calculate in real time, the present embodiment does not have this
It is restricted.Further, before obtaining the maximum signal that target jamming signal is allowed at disturbed side, further includes:
The step of maximum signal that target jamming signal is allowed at disturbed side is set.In the present embodiment, target jamming letter
Number maximum signal being allowed at disturbed side, it should be understood that target jamming signal makes in disturbed side's reception signal
At antenna, the maximum signal that is allowed to.
, can be the location of frequent according to disturbed side when presetting maximum signal in one example, or
The period of the disturbed square current Received Signal of person, or the average value of square received signal strength is disturbed peak signal is arranged
Intensity.
Optionally, the maximum signal that setting target jamming signal is allowed at disturbed side includes: to obtain to be done
The side of disturbing region the location of within the phase of history period, and the accumulative total time stopped in each position region, selection
Corresponding maximum signal is arranged for each band of position in four regions being arranged in front total time, establishes each region position
Set the corresponding relationship for the maximum signal being allowed at disturbed side with target jamming signal.Accordingly, target dry is obtained
Disturbing the maximum signal that signal is allowed at disturbed side includes: to obtain the location of disturbed side region, Yi Jiqian
The corresponding relationship for the maximum signal that each region position and target jamming signal stated are allowed at disturbed side, is based on
The corresponding relationship in the location of disturbed side region and acquisition determines that target jamming signal is allowed to most at disturbed side
Big signal strength.
In another example the maximum signal that setting target jamming signal is allowed at disturbed side includes: the setting time
The corresponding relationship for the maximum signal that the target jamming signal just located is allowed to is disturbed in section and the period.Accordingly,
Obtain the maximum signal that target jamming signal is allowed at disturbed side include: acquisition listen to first communication module with
The time point that second communication module works at the same time, based on the time point and preset period and the disturbed target jamming just located
The corresponding relationship for the maximum signal that signal is allowed to determines that target jamming signal is permitted at disturbed side under the time point
Perhaps maximum signal.
In another example the maximum signal that setting target jamming signal is allowed at disturbed side includes: to obtain to be done
Average value of the received signal strength for the side of disturbing in the phase of history period (such as one week, three days) close to current time,
Based on the average value and minimum signal-to-noise ratio, determine target jamming signal in the disturbed maximum interference signal strength just located.
Optionally, in the present embodiment, target jamming signal can be the signal that disturber directly emits, or because interference
The signal that side's transmitting signal generates, such as because disturber emits the second harmonic signal that signal generates.The present embodiment is to this
There is no limit.
Step 204 calculates target jamming signal when the disturbed signal strength just located is maximum signal, disturber
Maximum transmission power；
It, can be based on factor relevant to the decaying in signal communication process, from target dry for the calculating in step 204
It disturbs signal maximum signal backstepping of (receiving end) at disturbed side and goes out target jamming signal (transmitting terminal) at disturber
Maximum signal, the maximum transmission power of disturber is determined with maximum signal that backstepping goes out.
In above-mentioned steps, the maximum transmission power of disturber refers specifically to the emission maximum of the transmitting antenna of disturber
Power.
The actual emission power of disturber is adjusted to the value no more than maximum transmission power by step 205.
In one example, by the actual emission power of disturber be adjusted to the value no more than maximum transmission power include: by
The actual emission power of disturber is adjusted to maximum transmission power.
In the present embodiment, before listening to first communication module and second communication module works at the same time, if the first communication mould
Disturber is working in block and second communication module, then is adjusted to the actual emission power of disturber to be no more than emission maximum
The value of power includes: that the default transmission power when actual emission power of disturber works independently from disturber is reduced to and does not surpass
Cross the value of maximum transmission power.
A kind of method for reducing inter-antenna interference is present embodiments provided, by monitoring first communication module and the second communication
The working condition of module, when the two works at the same time, determine disturber in first communication module and second communication module and by
Disturber；Obtain the maximum signal that target jamming signal is allowed at disturbed side；Target jamming signal is calculated in quilt
When signal strength at disturber is maximum signal, the maximum transmission power of disturber；Thus by the practical hair of disturber
Power adjustment is penetrated to the value for being no more than maximum transmission power.It is obtained in the present embodiment by the maximum signal of target jamming signal
To transmission power range workable for disturber, allows and effectively believed target jamming by controlling the transmission power of disturber
Within the allowable range number to the interference of disturbed side control, the interference between the antenna of two communication modules is not only effectively reduced, also
The balance that can achieve the transmission power of disturber and the annoyance level for being disturbed side, had not only reduced the interference between antenna but also had guaranteed
The transmission power of disturber promotes aerial signal quality.
Second embodiment:
Referring to fig. 4, the present embodiment provides a kind of methods of the reduction inter-antenna interference of refinement, this method comprises:
Whether simultaneously step 401, the working condition for monitoring first communication module and second communication module determine the two work
Make；
If step 402 listens to first communication module and second communication module works at the same time, determine first when working at the same time
Disturber and disturbed side in communication module and second communication module；
Associated description in above-mentioned steps 401 and 402 participates in the content of step 201 and 202 in first embodiment, this reality
Applying example, details are not described herein.
Step 403, the minimum signal-to-noise ratio for obtaining preset disturbed side obtain reception letter when disturbed side works independently
Number intensity is calculated target jamming signal and is allowed to most at disturbed side based on minimum signal-to-noise ratio and received signal strength
Big signal strength；
Above-mentioned steps 403 are the refinement steps of step 203 in first embodiment.
Optionally, the received signal strength obtained when disturbed side works independently includes: to listen to first communication module
When working at the same time with second communication module, the inscribed collection of letters number of section, is received based on disturbed side between controlling disturbed side when detecting
Signal determine received signal strength when disturbed side works independently, wherein disturber does not emit letter in section between when detecting
Number.
Optionally, obtaining received signal strength when disturbed side works independently includes: to obtain to be done in historical time section
The mean intensity of reception signal when the side of disturbing works independently, reception when which is worked independently as disturbed side are believed
Number intensity.
Optionally, in one embodiment, an interference signal intensity threshold value can also directly be preset as target
Interference signal is in the disturbed maximum signal just located.One alternative of above-mentioned steps 403 are as follows: obtain preset correspondence
In the interference signal intensity threshold value for being disturbed side, the peak signal being allowed at disturbed side as target jamming signal is strong
Degree.
Step 404 calculates target jamming signal when the disturbed signal strength just located is maximum signal, disturber
Maximum transmission power；
In general, the decaying of signal and the frequency of signal, propagation distance of the transmission power of signal and signal etc. is related,
So can based on after decaying signal strength and signal distance, the frequency of signal etc. propagated calculate signal transmitting when
Intensity.Optionally, in the present embodiment, calculating target jamming signal in the disturbed signal strength just located is maximum signal
When, the maximum transmission power of disturber includes:
The frequency of acquisition target jamming signal and disturber and disturbed the distance between the antenna just used；
Using maximum signal as target jamming signal in the disturbed signal strength just located, according to target jamming signal
Frequency and disturber and disturbed the distance between the antenna just used, calculate target jamming signal at disturber most
Big signal strength；
Based on calculated maximum signal, the maximum transmission power of disturber is determined.
In above scheme, maximum signal of the calculated target jamming signal at disturber, as disturber hair
The maximum signal of the target jamming signal generated when penetrating signal.
In the present embodiment, target jamming signal is not necessarily the signal of disturber's transmitting, it is also possible to emit the two of signal
Rd harmonic signal or harmonic signal etc. determine the maximum of disturber so being based on calculated maximum signal
When transmission power, it is also necessary to which the relationship for determining the signal of target jamming signal and disturber's transmitting is based on this relationship and mesh
Interference signal is marked finally to determine the maximum transmission power of disturber.
The actual emission power of disturber is adjusted to the value no more than maximum transmission power by step 405.
Optionally, the actual emission power of disturber is adjusted to can be no more than the value of maximum transmission power, will done
The actual emission power for the side of disturbing is adjusted to maximum transmission power.
Further, the quantity of the antenna of the first communication module in the present embodiment and second communication module is indefinite can root
It is arranged according to actual needs.
Include several first antennas in first communication module in one example, includes several in second communication module
Second antenna；Further include step a and b before obtaining the maximum signal that target jamming signal is allowed at disturbed side:
Step a, the first antenna to be used in first antenna and the second antenna to be used in the second antenna are determined,
Wherein, first antenna to be used is at a distance from the second antenna to be used, higher than in first antenna and the distance of the second antenna most
Small value；
Step b, the antenna that first communication module and second communication module use is respectively set to first antenna to be used
With the second antenna to be used.
It is understood that distance is remoter between first communication module and the antenna of second communication module, then target jamming
The decaying of signal is more serious, and the interference between two communication modules is weaker, so can choose first of distance farthest in step a
Antenna and the second antenna, as first antenna ready for use and the second antenna.
Optionally, it in an example, is also based on before monitoring first communication module and second communication module, just in work
The antenna amount of the communication module of work and the antenna amount for not having in harness communication module, come determine in first antenna wait make
With the second antenna to be used in first antenna and the second antenna.
Further, the first antenna to be used in first antenna and second day to be used in the second antenna are determined
Line includes:
If the communication module that is working is the before monitoring that first communication module and second communication module work at the same time
One communication module, the quantity of first antenna are at least one, and the communication module not worked is second communication module, the second antenna
Quantity is at least two, it is determined that first antenna to be used is first communication module first antenna currently in use, determines second
It is not a nearest strip antenna with first antenna to be used distance in antenna is the second antenna to be used；
If the communication module that is working is the before monitoring that first communication module and second communication module work at the same time
One communication module, the quantity of first antenna are at least two, and the communication module not worked is second communication module, the second antenna
Quantity is one, it is determined that unique second antenna is the second antenna to be used, if first communication module is same in two communication modules
When work before the antenna that uses be nearest with the second antenna distance in first antenna, it is determined that other antennas in first antenna
For first antenna to be used.
In another example, include several first antennas in first communication module, include in second communication module
Several second antennas；It further include step before the actual emission power of disturber is adjusted to the value no more than maximum transmission power
C-f:
Step c, whether calculated maximum transmission power is lower than and presets minimum transmission power in judgment step 404；
Step d, if the determination result is YES, it is determined that in the first antenna to be used and the second antenna in first antenna
The second antenna to be used, wherein first antenna to be used at a distance from the second antenna to be used, be first antenna and second day
Maximum value in the antenna distance of line；
In one example, first antenna to be used may not be first antenna at a distance from the second antenna to be used
With the maximum value in the antenna distance of the second antenna, only if it were not for the minimum value in antenna distance.
Step e, the antenna that first communication module and second communication module use is respectively set to first antenna to be used
With the second antenna to be used, the maximum transmission power of disturber is replaced with and presets minimum transmission power, continuing to execute will interfere
The actual emission power of side is adjusted to the step of value no more than maximum transmission power；
Optionally, value no more than maximum transmission power is adjusted to continuing to execute actual emission power by disturber
When step, the actual emission power of disturber can be adjusted to preset minimum transmission power, to avoid the transmitting function of disturber
Rate is too low.
In step e, the maximum transmission power of disturber is replaced with to an alternative for presetting minimum transmission power
To be done according to the frequency of the distance and target jamming signal of first antenna to be used and the second antenna to be used with it
It is strong to recalculate peak signal of the target jamming signal at disturber (antenna used) for the maximum signal that the side of disturbing locates
Degree, to obtain the new maximum transmission power of disturber.
If step f, judging result is no, continues to execute and be adjusted to the actual emission power of disturber to be no more than maximum
The step of value of transmission power.
Further, dry in first communication module and second communication module when working at the same time determining in the present embodiment
Before the side of disturbing and disturbed side, further includes: the working frequency for obtaining first communication module and second communication module, if two working frequencies
Difference be less than predeterminated frequency difference threshold value, alternatively, if twice of the value and another work frequency of a working frequency in two working frequencies
The difference of rate is less than predeterminated frequency difference threshold value, it is determined that there is interference between first communication module and second communication module, continues
The step for determining disturber when working at the same time in first communication module and second communication module and being disturbed side.
Optionally, after the actual emission power of disturber to be adjusted to the value no more than maximum transmission power, further includes:
If listening to disturbed side to stop working, the actual emission power of disturber is restored to default when disturber works independently
Transmission power.
The present embodiment is by taking LPWAN communication module and GPS communication module as an example, in conjunction with Fig. 5, to the side for reducing inter-antenna interference
Method is illustrated.The schematic diagram that Fig. 5 is interfered between LPWAN communication module and the antenna of GPS communication module, it is common
LPWAN technology may work to work near 787MHz, second harmonic frequency 1574MHz, fairly falls in GPS work
In frequency band (centre frequency 1575.42MHz), second harmonic interference is generated to GPS.
Assuming that GPS module is connected with an antenna c as shown in figure 5, LPWAN communication module is connected with two antennas a and b,
Antenna a is closer apart from antenna c compared to antenna b, and before LPWAN communication module and GPS communication module work at the same time,
LPWAN communication module is worked by antenna a.It, will then when listening to LPWAN communication module and GPS communication module works at the same time
The antenna of LPWAN communication module is switched on antenna b, obtains the second harmonic signal that LPWAN communication module transmitting signal generates
The maximum signal that (target jamming signal) is allowed on the position of GPS communication module, based between antenna b and antenna c
Distance and second harmonic signal frequency, it is strong to calculate signal of the second harmonic signal on the position of GPS communication module
When degree is maximum signal, the maximum letter of second harmonic signal on the position (on the position of antenna b) of LPWAN communication module
Number intensity, the maximum signal of the second harmonic signal on the position based on LPWAN communication module, thus it is speculated that LPWAN communicates mould
Emit the maximum signal of signal on the position of block, to deduce the maximum transmission power of LPWAN communication module, controls
The actual emission power of LPWAN communication module is no more than the maximum transmission power.
A kind of method for reducing inter-antenna interference is present embodiments provided, by limited target interference signal in disturbed side
The maximum signal at place obtains transmission power range workable for disturber, so that can by the transmission power of control disturber
Effectively to control target jamming signal within the allowable range the interference of disturbed side, two communication modules are not only effectively reduced
Interference between antenna may also reach up the balance of the transmission power of disturber and the annoyance level for being disturbed side, both reduce
Interference between antenna in turn ensures the transmission power of disturber, promotes aerial signal quality.
3rd embodiment:
Referring to Fig. 6, present embodiment discloses a kind of electronic devices, comprising:
Module 601 is monitored, for monitoring the working condition of first communication module and second communication module, whether determines the two
It works at the same time；
Determining module 602 determines work simultaneously if working at the same time for listening to first communication module and second communication module
Disturber and disturbed side when making in first communication module and second communication module；
Module 603 is obtained, the maximum signal being allowed at disturbed side for obtaining target jamming signal,
In, the signal of target jamming signal source self-interference side transmitting；
Computing module 604 is maximum signal for calculating target jamming signal in the disturbed signal strength just located
When, the maximum transmission power of disturber；
Control module 605, for the actual emission power of disturber to be adjusted to the value no more than maximum transmission power.
In one example, module 603 is obtained, for obtaining the preset interference signal intensity threshold for corresponding to disturbed side
Value, the maximum signal being allowed at disturbed side as target jamming signal.
In another example, module 603 is obtained, for obtaining the minimum signal-to-noise ratio of preset disturbed side, obtains quilt
Received signal strength when disturber works independently calculates target jamming letter based on minimum signal-to-noise ratio and received signal strength
Number maximum signal being allowed at disturbed side.
Optionally, computing module 604, frequency and disturber for obtaining target jamming signal make with disturbed side
The distance between antenna；It is being disturbed the signal strength just located using maximum signal as target jamming signal, according to
The frequency of target jamming signal and disturber and disturbed the distance between the antenna just used, calculate target jamming signal and exist
Maximum signal at disturber；Based on calculated maximum signal, the maximum transmission power of disturber is determined.
Optionally, include several first antennas in one embodiment, in first communication module, wrapped in second communication module
Contain several second antennas.
In this embodiment, electronic device further includes antenna control module, for calculating target jamming letter in computing module
Number when the disturbed signal strength just located is maximum signal, before the maximum transmission power of disturber, first antenna is determined
In first antenna to be used and the second antenna to be used in the second antenna, wherein first antenna to be used with it is to be used
The distance of second antenna, higher than the minimum value in first antenna and the distance of the second antenna；First communication module and second are led to
The antenna that letter module uses is respectively set to first antenna to be used and the second antenna to be used.
Optionally, in another embodiment, antenna control module can be also used for disturber in control module 605
Actual emission power be adjusted to the value no more than maximum transmission power before, judge whether calculated maximum transmission power is lower than
Preset minimum transmission power；If the determination result is YES, it is determined that first antenna to be used and the second antenna in first antenna
In the second antenna to be used, wherein first antenna to be used at a distance from the second antenna to be used, be first antenna and second
Maximum value in the antenna distance of antenna；The antenna that first communication module and second communication module use is respectively set to wait make
With first antenna and the second antenna to be used, the maximum transmission power of disturber is replaced with and presets minimum transmission power, triggered
Control module 605 continues to execute the step of actual emission power of disturber is adjusted to the value no more than maximum transmission power；
If judging result be it is no, trigger control module 605 continue to execute by the actual emission power of disturber is adjusted to be no more than most
The step of value of big transmission power.
Optionally, electronic device further includes disturbance ecology module, for when determining module 602 is determined and worked at the same time first
Before disturber and disturbed side in communication module and second communication module, first communication module and second communication module are obtained
Working frequency, if the difference of two working frequencies is less than predeterminated frequency difference threshold value, if the working frequency in two working frequencies
Twice value and the difference of another working frequency be less than predeterminated frequency difference threshold value, it is determined that first communication module and the second communication mould
There is interference between block, triggering determining module 602 continues when determining work at the same time in first communication module and second communication module
Disturber and be disturbed side step.
Optionally, the electronic device of the present embodiment further includes recovery module, in control module 605 by the reality of disturber
After border transmission power is adjusted to the value no more than maximum transmission power, stop working if monitoring module 601 and listening to disturbed side,
The actual emission power of disturber is then restored to default transmission power when disturber works independently.
Further, the present embodiment also provides a kind of electronic device, which includes that can be used for realizing Fig. 2 and Fig. 4
The method of reduction inter-antenna interference in illustrated embodiment.
As shown in fig. 7, the electronic device specifically includes that memory 701, processor 702, bus 703 and is stored in storage
On device 701 and the computer program that can run on processor 702, memory 701 and processor 702 are connected by bus 703.
When processor 702 executes the computer program, the method for realization Fig. 2 and the reduction inter-antenna interference in embodiment illustrated in fig. 4.Its
In, the quantity of processor can be one or more.
Memory 701 can be high random access memory body (RAM, Random Access Memory) memory,
It can be non-labile memory (non-volatile memory), such as magnetic disk storage.Memory 701 can for storing
Program code is executed, processor 702 is coupled with memory 701.
Further, the embodiment of the present application also provides a kind of storage medium, which, which can be, is set to this reality
The computer readable storage medium in the electronic device in example is applied, which can be in aforementioned embodiment illustrated in fig. 7
Memory.
It is stored with computer program on the storage medium, which realizes Fig. 2 and Fig. 4 embodiment institute when being executed by processor
The method for the reduction inter-antenna interference shown.Further, which can also be USB flash disk, mobile hard disk, read-only memory
The various media that can store program code such as (ROM, Read-Only Memory), RAM, magnetic or disk.
A kind of electronic device and storage medium are present embodiments provided, the transmission power by controlling disturber can be effective
Within the allowable range to the interference of disturbed side control by target jamming signal, be not only effectively reduced two communication modules antenna it
Between interference, may also reach up the balance of the transmission power of disturber and the annoyance level for being disturbed side, both reduced between antenna
Interference in turn ensure the transmission power of disturber, promote aerial signal quality.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of module, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple module or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or module
It connects, can be electrical property, mechanical or other forms.
Module may or may not be physically separated as illustrated by the separation member, show as module
Component may or may not be physical module, it can and it is in one place, or may be distributed over multiple networks
In module.Some or all of the modules therein can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, can integrate in a processing module in each functional module in each embodiment of the application
It is that modules physically exist alone, can also be integrated in two or more modules in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.
If integrated module is realized and when sold or used as an independent product in the form of software function module, can
To be stored in a computer readable storage medium.Based on this understanding, the technical solution of the application substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a readable storage medium storing program for executing, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) execute each embodiment method of the application whole or
Part steps.And readable storage medium storing program for executing above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can be with
Store the medium of program code.
It should be noted that for the various method embodiments described above, describing for simplicity, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because
According to the application, certain steps can use other sequences or carry out simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules might not all be this Shen
It please be necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
The above are the description of method, electronic device and storage medium to reduction inter-antenna interference provided herein,
For those skilled in the art, it according to the thought of the embodiment of the present application, has in specific embodiments and applications
Change place, to sum up, the contents of this specification should not be construed as limiting the present application.
Claims (10)
1. a kind of method for reducing inter-antenna interference characterized by comprising
The working condition of first communication module and second communication module is monitored, determines whether the two works at the same time；
If listening to the first communication module and the second communication module working at the same time, determine when working at the same time described in first
Disturber and disturbed side in communication module and the second communication module；
Obtain the maximum signal that target jamming signal is allowed at the disturbed side, wherein the target jamming letter
Number be originated from the disturber transmitting signal；
It is described dry when to calculate signal strength of the target jamming signal at the disturbed side be the maximum signal
The maximum transmission power for the side of disturbing；
The actual emission power of the disturber is adjusted to the value no more than the maximum transmission power.
2. the method according to claim 1 for reducing inter-antenna interference, which is characterized in that the acquisition target jamming signal
The maximum signal being allowed at the disturbed side includes:
The preset interference signal intensity threshold value corresponding to the disturbed side is obtained, as the target jamming signal described
The maximum signal being allowed at disturbed side；
Alternatively, obtaining the minimum signal-to-noise ratio of the preset disturbed side, reception when the disturbed side works independently is obtained
Signal strength calculates the target jamming signal in the quilt based on the minimum signal-to-noise ratio and the received signal strength
The maximum signal being allowed at disturber.
3. the method according to claim 1 for reducing inter-antenna interference, which is characterized in that described to calculate the target jamming
When signal strength of the signal at the disturbed side is the maximum signal, the maximum transmission power packet of the disturber
It includes:
Obtain the frequency and the disturber and disturbed the distance between the antenna just used of the target jamming signal；
Signal strength using the maximum signal as the target jamming signal at the disturbed side, according to described
The frequency of target jamming signal and the disturber and disturbed the distance between the antenna just used, calculate the target dry
Disturb maximum signal of the signal at the disturber；
Based on calculated maximum signal, the maximum transmission power of the disturber is determined.
4. the method according to claim 1-3 for reducing inter-antenna interference, which is characterized in that first communication
Include several first antennas in module, includes several second antennas in the second communication module；
Before the maximum signal that the acquisition target jamming signal is allowed at the disturbed side, further includes:
Determine the first antenna to be used in the first antenna and the second antenna to be used in second antenna,
In, the first antenna to be used is higher than the first antenna and second day described at a distance from second antenna to be used
Minimum value in the distance of line；
The antenna that the first communication module and the second communication module use is respectively set to described first day to be used
Line and second antenna to be used.
5. the method according to claim 1-3 for reducing inter-antenna interference, which is characterized in that first communication
Include several first antennas in module, includes several second antennas in the second communication module；
Before the actual emission power by the disturber is adjusted to the value no more than the maximum transmission power, further includes:
Judge whether the calculated maximum transmission power is lower than and presets minimum transmission power；
If the determination result is YES, it is determined that in the first antenna to be used and second antenna in the first antenna
Second antenna to be used, wherein the first antenna to be used is described first day at a distance from second antenna to be used
Maximum value in the distance of line and second antenna；
The antenna that the first communication module and the second communication module use is respectively set to described first day to be used
Line and second antenna to be used, set described for the maximum transmission power of the disturber and preset minimum transmitting function
Rate continues to execute the step for the value that the actual emission power by the disturber is adjusted to no more than the maximum transmission power
Suddenly；
If judging result be it is no, continue to execute the actual emission power by the disturber be adjusted to be no more than it is described most
The step of value of big transmission power.
6. the method according to claim 1-3 for reducing inter-antenna interference, which is characterized in that same in the determination
When working before the first communication module and disturber and disturbed side in the second communication module, further includes:
The working frequency of the first communication module and second communication module is obtained, if the difference of two working frequencies is less than default frequency
Twice of value of a working frequency and the difference of another working frequency are less than default frequency in rate difference threshold value or two working frequency
Rate difference threshold value, it is determined that there is interference between the first communication module and second communication module, continue determination work simultaneously
The step of disturber and disturbed side when making in the first communication module and the second communication module.
7. the method according to claim 1-3 for reducing inter-antenna interference, which is characterized in that it is described will be described
After the actual emission power of disturber is adjusted to the value no more than the maximum transmission power, further includes:
If listening to the disturbed side to stop working, the actual emission power of the disturber is reverted into the disturber
Default transmission power when working independently.
8. a kind of electronic device characterized by comprising
Module is monitored, for monitoring the working condition of first communication module and second communication module, determines the two whether simultaneously work
Make；
Determining module determines simultaneously if working at the same time for listening to the first communication module and the second communication module
Disturber and disturbed side when work in the first communication module and the second communication module；
Obtain module, the maximum signal being allowed at the disturbed side for obtaining target jamming signal, wherein institute
State the signal that target jamming signal is originated from disturber transmitting；
Computing module is the peak signal for calculating signal strength of the target jamming signal at the disturbed side
When intensity, the maximum transmission power of the disturber；
Control module, for the actual emission power of the disturber to be adjusted to the value no more than the maximum transmission power.
9. a kind of electronic device, comprising: memory, processor and be stored on the memory and can transport on the processor
Capable computer program, which is characterized in that when the processor executes the computer program, realize in claim 1-7 and appoint
Step in the method for anticipating.
10. a kind of storage medium, is stored thereon with computer program, which is characterized in that the computer program is held by processor
When row, the step in any one the method in claim 1-7 is realized.
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