CN109769267A - A kind of processing method and mobile terminal reducing co-channel interference - Google Patents
A kind of processing method and mobile terminal reducing co-channel interference Download PDFInfo
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- CN109769267A CN109769267A CN201711108535.0A CN201711108535A CN109769267A CN 109769267 A CN109769267 A CN 109769267A CN 201711108535 A CN201711108535 A CN 201711108535A CN 109769267 A CN109769267 A CN 109769267A
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- 238000003672 processing method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 24
- 230000002146 bilateral effect Effects 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 38
- 238000001514 detection method Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 6
- 238000004590 computer program Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the present invention provides a kind of processing method and mobile terminal for reducing co-channel interference, the method is for the mobile terminal including bilateral chip, the radio-frequency front-end of the mobile terminal is provided with triantennary, respectively include first network primary antenna, first network diversity antenna and the second network antenna, the described method includes: detecting the use state of the mobile terminal, if detecting, the mobile terminal carries out voice communication by second network antenna, closes the first network diversity antenna.The mobile terminal execution above method.The processing method and mobile terminal provided in an embodiment of the present invention for reducing co-channel interference, effectively reduces the co-channel interference of signal between the mobile terminal antenna with bilateral chip.
Description
Technical field
The present embodiments relate to mobile communication technology fields, and in particular to it is a kind of reduce co-channel interference processing method and
Mobile terminal.
Background technique
Current phone supports multiple types, includes CDMA, GSM, WCDMA, TDSCDMA, TDD-LTE and LTE FDD, with
Domestic each operator applies for the reply backsetted to existing frequency to frequency authorities, and each operator starts original
It is laid out existing main business on the good resource of 2G, 3G low-frequency range, redeploys LTE, it is contemplated that the fortune of existing 2G and 3G business
Battalion, direct cut change to that 4G is unrealistic, and half-way house is in low-frequency range while to dispose 2G, 3G and 4G, and this requires terminals
Support each standard simultaneously in the same low-frequency range.
By taking the existing low frequency band frequency of China Telecom as an example, CDMA 1x and Evdo are deployed within the scope of 825-835MHz, are
Co-channel interference is avoided, general 1x and evdo are deployed in frequency band two sides, and fractional bandwidth (such as 3M- is taken out in the range of 10M bandwidth
LTE 5M) is disposed, terminal needs to consider the problems of co-channel interference in radio-frequency front-end.For the core of part single-pass (supporting SR-LTE)
This problem of piece relatively easily solves, and under business model, only a standard is available, under standby mode, there is abundant frequency spectrum resource
The setting of isolation strip is carried out to eliminate co-channel interference.But for the chip of part bilateral (supporting SV-LTE), co-channel interference is most
A big problem.
Therefore, the co-channel interference of signal between the mobile terminal antenna with bilateral chip how is solved, becoming need solve
Certainly the problem of.
Summary of the invention
In view of the problems of the existing technology, the embodiment of the present invention provides a kind of processing method and shifting for reducing co-channel interference
Dynamic terminal.
On the one hand, the embodiment of the present invention provides a kind of processing method for reducing co-channel interference, and the method is for including
The radio-frequency front-end of the mobile terminal of bilateral chip, the mobile terminal is provided with triantennary, respectively include first network primary antenna,
First network diversity antenna and the second network antenna, which comprises
Detect the use state of the mobile terminal, if detect the mobile terminal by second network antenna into
The first network diversity antenna is then closed in row voice communication.
On the other hand, the embodiment of the present invention provides a kind of mobile terminal for reducing co-channel interference, and the mobile terminal has
The radio-frequency front-end of bilateral chip, the mobile terminal is provided with triantennary, respectively includes first network primary antenna, first network point
Collection antenna and the second network antenna, the mobile terminal include:
Detection module, for detecting the use state of the mobile terminal；
First processing module, if leading to for detecting that the mobile terminal carries out voice by second network antenna
Words, then close the first network diversity antenna.
The processing method and mobile terminal provided in an embodiment of the present invention for reducing co-channel interference, effectively reduces with double
The co-channel interference of signal between the mobile terminal antenna of obturator piece.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram for the processing method that the embodiment of the present invention reduces co-channel interference；
Fig. 2 is the structural schematic diagram for the mobile terminal that the embodiment of the present invention reduces co-channel interference；
Fig. 3 is mobile terminal entity structure schematic diagram provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
For bilateral chip solution, a kind of processing method and mobile terminal for reducing co-channel interference is devised.With Chinese electricity
For letter: the chip solution of existing bilateral needs to be laid out three antennas in radio-frequency front-end: LTE primary antenna, LTE diversity antenna and
CDMA antenna.And LTE primary antenna, LTE diversity antenna and CDMA antenna work at the same time, and realize business bilateral.
Fig. 1 is the flow diagram for the processing method that the embodiment of the present invention reduces co-channel interference, as shown in Figure 1, this implementation
A kind of processing method for reduction co-channel interference that example provides, comprising the following steps:
S1: the use state of the mobile terminal is detected.
Specifically, mobile terminal detects the use state of the mobile terminal.It should be understood that in the embodiment of the present invention
In same frequency can be selected as in 825-835MHz frequency range, first network primary antenna can be LTE primary antenna, first network diversity day
Line can be LTE diversity antenna, and the second network antenna can be CDMA antenna, but frequency range and first network primary antenna, the first net
Network diversity antenna and the second network antenna are not limited to above-mentioned specific band value and specific antenna type.Use state can
To be: whether the mobile terminal is in voice call state.
S2: if detecting, the mobile terminal carries out voice communication by second network antenna, closes described the
One network diversity antenna.
If specifically, mobile terminal detect the mobile terminal by second network antenna carry out voice communication,
Then close the first network diversity antenna.Mobile terminal can be closed by the corresponding switch of control first network diversity antenna
The first network diversity antenna is closed, concrete implementation mode, which may is that send to radio frequency control port, closes first network point
Collect antenna instruction, the closing motion of first network diversity antenna is executed by radio frequency control port, the purpose is to: it is equivalent to the
The corresponding voice service of two network antennas is set as highest priority, first has to guarantee to answer and make a phone call the clear of sound quality.
The processing method provided in an embodiment of the present invention for reducing co-channel interference, effectively reduces the shifting with bilateral chip
The co-channel interference of signal between dynamic terminal antenna.
On the basis of the above embodiments, the method also includes:
Reduce the transmission power of the first network primary antenna.
Specifically, mobile terminal reduces the transmission power of the first network primary antenna.When first network primary antenna and
When two network antennas are concurrent, first network primary antenna maximum transmission power is subjected to back-off, to eliminate first network as far as possible
Homogenous frequency signal between primary antenna and the second network antenna interferes with each other.
The processing method provided in an embodiment of the present invention for reducing co-channel interference, by reducing the first network primary antenna
Transmission power effectively reduces the co-channel interference of signal between the mobile terminal antenna with bilateral chip.
On the basis of the above embodiments, the transmission power for reducing the first network primary antenna includes:
If detection knows that the transmission power of second network antenna lower than preset value, reduces the main day of the first network
The transmission power of line.
Specifically, if mobile terminal detection knows that the transmission power of second network antenna lower than preset value, reduces
The transmission power of the first network primary antenna.Preset value can be independently configured according to practical situation, more flexiblely
According to the actual needs, the transmission power of the first network primary antenna is reduced.
The processing method provided in an embodiment of the present invention for reducing co-channel interference, by reducing the first network primary antenna
Transmission power effectively reduces the co-channel interference of signal between the mobile terminal antenna with bilateral chip.
On the basis of the above embodiments, the transmission power for reducing the first network primary antenna includes:
By the transmission power of the first network primary antenna from maximum value, turn down according to preset back-off value to target
Transmission power.
Specifically, mobile terminal by the transmission power of the first network primary antenna from maximum value, according to preset power
Fallback value is turned down to objective emission power.Preset back-off value can be independently configured according to practical situation, more
Neatly according to the actual needs, the transmission power of the first network primary antenna is reduced.
It is provided in an embodiment of the present invention reduce co-channel interference processing method, by preset back-off value, more added with
The co-channel interference for reducing signal between the mobile terminal antenna with bilateral chip of effect.
On the basis of the above embodiments, the closing first network diversity antenna includes:
By controlling the corresponding switch of the first network diversity antenna, to close the first network diversity antenna.
Specifically, mobile terminal, which passes through, controls the corresponding switch of the first network diversity antenna, to close described first
Network diversity antenna.It illustrates and can refer to above-described embodiment, details are not described herein again.
The processing method provided in an embodiment of the present invention for reducing co-channel interference, by controlling the first network diversity antenna
Corresponding switch effectively reduces the co-channel interference of signal between the mobile terminal antenna with bilateral chip.
It should be understood that opening first network diversity day after to voice service corresponding to the second network antenna
Line, and maximum value is increased to the maximum transmission power of first network primary antenna.
The embodiment of the present invention reduces the processing method of co-channel interference, and the program code of realization is as follows:
// control module
//CDMA1xActive: judge whether 1x business activates
//LTETxActive: judge whether LTE has uplink service
//LTEDivAnt:LTE diversity reception antenna condition control switch
ControlModule (CDMA1Xactive, LTETxActive, LTEDivAnt)
{
If (CDMA1xActive==1)
LTEDivAnt=0；
If (Pcdmatx≤Pcdmatxlow&<ETxActive==1)
Pltemaxadj=Pltetxmax-Nbackoff；//LTE maximum transmission power rollback Nbackoff dB, to keep away
Exempt from the influence to CDMA 1x voice
Return 0；
}
//LTE diversity reception data, when LTEDivAnt is 0, radio frequency reception data zero setting.
LTEDivRF(LTEDivAnt)
{
If (LTEDivAnt==0)
RFIN [MAX]=0；// radio frequency reception data whole the zero setting to Base-Band Processing.
Return 0；
}
Fig. 2 is the structural schematic diagram for the mobile terminal that the embodiment of the present invention reduces co-channel interference, as shown in Fig. 2, this implementation
Example provides a kind of mobile terminal for reducing co-channel interference, including detection module 1 and first processing module 2, in which:
Detection module 1 is used to detect the use state of the mobile terminal, if first processing module 2 is described for detecting
Mobile terminal carries out voice communication by second network antenna, then closes the first network diversity antenna.
Specifically, detection module 1 is used to detect the use state of the mobile terminal, detection module 1 will be described mobile whole
The use state at end is sent to first processing module 2, if first processing module 2 is for detecting that it is described that the mobile terminal passes through
Second network antenna carries out voice communication, then closes the first network diversity antenna.
The mobile terminal provided in an embodiment of the present invention for reducing co-channel interference, effectively reduces the shifting with bilateral chip
The co-channel interference of signal between dynamic terminal antenna.
On the basis of the above embodiments, the mobile terminal further include:
Second processing module 3 for reducing the first network primary antenna transmission power.
Specifically, transmission power of the Second processing module 3 for reducing the first network primary antenna.
The mobile terminal provided in an embodiment of the present invention for reducing co-channel interference, by reducing the first network primary antenna
Transmission power effectively reduces the co-channel interference of signal between the mobile terminal antenna with bilateral chip.
On the basis of the above embodiments, the Second processing module 3 is specifically used for:
If detection knows that the transmission power of second network antenna lower than preset value, reduces the main day of the first network
The transmission power of line.
Specifically, the Second processing module 3 is specifically used for, if the transmission power of second network antenna is known in detection
Lower than preset value, then the transmission power of the first network primary antenna is reduced.
The mobile terminal provided in an embodiment of the present invention for reducing co-channel interference, by reducing the first network primary antenna
Transmission power effectively reduces the co-channel interference of signal between the mobile terminal antenna with bilateral chip.
On the basis of the above embodiments, the Second processing module 3 also particularly useful for:
By the transmission power of the first network primary antenna from maximum value, turn down according to preset back-off value to target
Transmission power.
Specifically, the Second processing module 3 is also particularly useful for by the transmission power of the first network primary antenna from most
Big value, is turned down according to preset back-off value to objective emission power.
It is provided in an embodiment of the present invention reduce co-channel interference mobile terminal, by preset back-off value, more added with
The co-channel interference for reducing signal between the mobile terminal antenna with bilateral chip of effect.
On the basis of the above embodiments, the first processing module 2 is specifically used for:
By controlling the corresponding switch of the first network diversity antenna, to close the first network diversity antenna.
Specifically, the first processing module 2 is specifically used for, by controlling, the first network diversity antenna is corresponding to be opened
It closes, to close the first network diversity antenna.
The mobile terminal provided in an embodiment of the present invention for reducing co-channel interference, by controlling the first network diversity antenna
Corresponding switch effectively reduces the co-channel interference of signal between the mobile terminal antenna with bilateral chip.
The mobile terminal provided in this embodiment for reducing co-channel interference specifically can be used for executing above-mentioned each method embodiment
Process flow, details are not described herein for function, is referred to the detailed description of above method embodiment.
Fig. 3 is mobile terminal entity structure schematic diagram provided in an embodiment of the present invention, as shown in figure 3, the mobile terminal
It include: processor (processor) 301, memory (memory) 302 and bus 303；
Wherein, the processor 301, memory 302 complete mutual communication by bus 303；
The processor 301 is used to call the program instruction in the memory 302, to execute above-mentioned each method embodiment
Provided method, for example, the use state of the mobile terminal is detected, if it is described to detect that the mobile terminal passes through
Second network antenna carries out voice communication, then closes the first network diversity antenna.
The present embodiment discloses a kind of computer program product, and the computer program product includes being stored in non-transient calculating
Computer program on machine readable storage medium storing program for executing, the computer program include program instruction, when described program instruction is calculated
When machine executes, computer is able to carry out method provided by above-mentioned each method embodiment, for example, detects the mobile terminal
Use state, if detecting, the mobile terminal carries out voice communication by second network antenna, closes described the
One network diversity antenna.
The present embodiment provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage medium
Computer instruction is stored, the computer instruction makes the computer execute method provided by above-mentioned each method embodiment, example
Included: the use state for detecting the mobile terminal, if detect the mobile terminal pass through second network antenna into
The first network diversity antenna is then closed in row voice communication.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
The embodiments such as mobile terminal described above are only schematical, wherein it is described as illustrated by the separation member
Unit may or may not be physically separated, and component shown as a unit may or may not be object
Manage unit, it can it is in one place, or may be distributed over multiple network units.It can select according to the actual needs
Some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying wound
In the case where the labour for the property made, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the embodiment of the present invention, rather than it is right
It is limited；Although the embodiment of the present invention is described in detail referring to foregoing embodiments, the ordinary skill of this field
Personnel are it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, or to part
Or all technical features are equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution
The range of each embodiment technical solution of the embodiment of the present invention.
Claims (10)
1. a kind of processing method for reducing co-channel interference, the method is for the mobile terminal including bilateral chip, the shifting
The radio-frequency front-end of dynamic terminal is provided with triantennary, respectively includes first network primary antenna, first network diversity antenna and the second net
Network antenna characterized by comprising
The use state of the mobile terminal is detected, the mobile terminal carries out language by second network antenna if detecting
Sound call, then close the first network diversity antenna.
2. the method according to claim 1, wherein the method also includes:
Reduce the transmission power of the first network primary antenna.
3. according to the method described in claim 2, it is characterized in that, the transmission power for reducing the first network primary antenna
Include:
If detection knows that the transmission power of second network antenna lower than preset value, reduces the first network primary antenna
Transmission power.
4. according to the method in claim 2 or 3, which is characterized in that the transmitting for reducing the first network primary antenna
Power includes:
By the transmission power of the first network primary antenna from maximum value, turn down according to preset back-off value to objective emission
Power.
5. the method according to claim 1, wherein the closing first network diversity antenna includes:
By controlling the corresponding switch of the first network diversity antenna, to close the first network diversity antenna.
6. a kind of mobile terminal for reducing co-channel interference, the mobile terminal have bilateral chip, the radio frequency of the mobile terminal
Front end is provided with triantennary, respectively includes first network primary antenna, first network diversity antenna and the second network antenna, feature
It is, comprising:
Detection module, for detecting the use state of the mobile terminal；
First processing module, if for detecting that the mobile terminal carries out voice communication by second network antenna,
Close the first network diversity antenna.
7. mobile terminal according to claim 6, which is characterized in that the mobile terminal further include:
Second processing module, for reducing the transmission power of the first network primary antenna.
8. mobile terminal according to claim 7, which is characterized in that the Second processing module is specifically used for:
If detection knows that the transmission power of second network antenna lower than preset value, reduces the first network primary antenna
Transmission power.
9. mobile terminal according to claim 7 or 8, which is characterized in that the Second processing module also particularly useful for:
By the transmission power of the first network primary antenna from maximum value, turn down according to preset back-off value to objective emission
Power.
10. mobile terminal according to claim 6, which is characterized in that the first processing module is specifically used for:
By controlling the corresponding switch of the first network diversity antenna, to close the first network diversity antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108535.0A CN109769267B (en) | 2017-11-09 | Processing method for reducing co-channel interference and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108535.0A CN109769267B (en) | 2017-11-09 | Processing method for reducing co-channel interference and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109769267A true CN109769267A (en) | 2019-05-17 |
| CN109769267B CN109769267B (en) | 2024-04-16 |
Family
ID=
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| CN110289867A (en) * | 2019-06-24 | 2019-09-27 | Oppo广东移动通信有限公司 | A kind of method, electronic device and storage medium reducing inter-antenna interference |
| WO2023029958A1 (en) * | 2021-08-31 | 2023-03-09 | 华为技术有限公司 | Method and apparatus for processing mutual interference of chips, and electronic device and readable storage medium |
| CN116762316A (en) * | 2021-02-10 | 2023-09-15 | 大金工业株式会社 | Equipment network system |
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