CN106850100A - antenna debugging method and device - Google Patents
antenna debugging method and device Download PDFInfo
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- CN106850100A CN106850100A CN201710179591.7A CN201710179591A CN106850100A CN 106850100 A CN106850100 A CN 106850100A CN 201710179591 A CN201710179591 A CN 201710179591A CN 106850100 A CN106850100 A CN 106850100A
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- frequency circuit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
Abstract
The present invention relates to the communications field, a kind of antenna debugging method and device are disclosed.In embodiment of the present invention, antenna debugging method includes：Electromagnetic radiation exposure SAR value to each frequency range of antenna is detected；If detecting the SAR value of a certain frequency range more than predetermined threshold value, the corresponding switched radio frequency circuit of the logic setting of frequency range is changed；Wherein, the signal total radiant power of the signal total radiant power of the corresponding switched radio frequency circuit of the logic setting of the frequency range for the changing switched radio frequency circuit corresponding less than the former logic setting of frequency range.Using embodiments of the present invention, can be in the case where not reducing the transmission power of mobile communication equipment mainboard, not changing the matching of antenna main road, the problem for making antenna SAR exceeded is resolved, and it is relatively simple convenient and easy to implement to operate.
Description
Technical field
The present invention relates to the communications field, more particularly to antenna debugging method and device.
Background technology
In order to ensure influence of the electromagnetic radiation of mobile communication equipment antenna to human body in a scope for safety, the world is each
State and linked groups have formulated electromagnetic radiation exposure SAR (SAR, Specific Absorption Rate, electromagnetic radiation exposure),
For in the unit of measurement time, the electromagnetic power that tissue absorbed or consumed of unit mass, so as to according to SAR value, obtain
The heat energy of mobile communication equipment is known to the influence caused by human body, and judge the electromagnetic radiation of mobile communication equipment antenna is to human body
No safety.Wherein, the numerical value of electromagnetic radiation exposure SAR is bigger, illustrates the electromagnetic radiation of mobile communication equipment antenna to human body
Influence is bigger.
At present, with the fast development of wireless communication technology, antenna performance requirement of the people to mobile communication equipment is more next
It is higher.However, the inventor of present specification has found, preferable antenna performance often produces stronger electromagenetic wave radiation, from
And the SAR for being easily caused mobile communication equipment antenna tests not up to standard.Also, in the prior art, it is directed to reduction antenna SAR
The settling mode of value mostly has certain defect, specific as follows：
1st, to solve the problems, such as antenna SAR value by way of reducing the transmission power of mobile communication equipment mainboard higher.
But, this solution can cause the conducted power of mainboard not up to standard, make the test of mobile communication equipment mainboard and cannot pass through.
2nd, solve the problems, such as that SAR value is higher by way of changing antenna main road and matching, but, this solution
The antenna performance of other frequency ranges is influenced whether, causes the antenna radiation performance of other frequency ranges cannot be up to standard.
The content of the invention
The purpose of embodiment of the present invention is to provide a kind of antenna debugging method and device, can not reduce mobile logical
The transmission power of letter equipment mainboard, do not change antenna main road match in the case of, the problem for making antenna SAR exceeded is resolved,
It is relatively simple convenient and easy to implement to operate.
In order to solve the above technical problems, embodiments of the present invention provide a kind of antenna debugging method, including：
Electromagnetic radiation exposure SAR value to each frequency range of antenna is detected；
If detecting the SAR value of a certain frequency range more than predetermined threshold value, the corresponding switch of the logic setting of frequency range is changed
Radio circuit；Wherein, the signal total radiant power of the corresponding switched radio frequency circuit of the logic setting of the frequency range for changing is small
In the signal total radiant power of the corresponding switched radio frequency circuit of the former logic setting of frequency range.
Embodiments of the present invention additionally provide a kind of antenna adjustment device, including：Detection module, judge module and place
Reason module；
Detection module is used to detect the electromagnetic radiation exposure SAR value of each frequency range of antenna；
Judge module is used in each frequency range for judge detection module detection, if there is the SAR value of a certain frequency range more than pre-
If threshold value；
Processing module is used for when judge module detects the SAR value of a certain frequency range more than predetermined threshold value, change frequency range
The corresponding switched radio frequency circuit of logic setting；Wherein, the corresponding switch of the logic setting of the frequency range for changing is penetrated
The total spoke of signal of the signal total radiant power of the frequency circuit switched radio frequency circuit corresponding less than the former logic setting of the frequency range
Penetrate power.
Embodiment of the present invention in terms of existing technologies, during due to antenna adjustment, can often set duplexer, and day
Comprising the switched radio frequency circuit that multiple signals total radiant power is different in wiretap, the different frequency range to antenna switches.Therefore,
In embodiment of the present invention, after the electromagnetic radiation exposure SAR value to each frequency range of antenna is detected, by detected SAR
Value sets corresponding switch more than the frequency range (that is, the exceeded frequency range of SAR value) of predetermined threshold value by the logic for changing the frequency range
The mode of radio circuit, the signal total radiant power of the switched radio frequency circuit corresponding to the logic setting of the frequency range after order change
The signal total radiant power of the switched radio frequency circuit corresponding less than frequency range original logic setting.So, surpass equivalent to by SAR value
The signal total radiant power of the switched radio frequency circuit corresponding to target frequency range is reduced such that it is able to reduce the SAR value of the frequency range,
Solve the problems, such as that SAR value is exceeded.In this way, so as to not reduce the transmission power of mobile communication equipment mainboard, not repair
In the case of line main road matching on another day, the problem for making antenna SAR exceeded is resolved, and it is relatively simple convenient to operate, and is easy to
Implement.
In addition, the corresponding switched radio frequency circuit of the logic setting of change frequency range, specifically includes：Currently included in antenna
, in addition to the corresponding switched radio frequency circuit of the former logic setting of frequency range, in the switched radio frequency circuit in use state, selection
One switched radio frequency circuit, as the first switched radio frequency circuit to be changed；First switched radio frequency circuit to be changed is appointed as
Switched radio frequency circuit corresponding to the logic setting of the frequency range after change.This way it is not necessary to the original switched radio frequency electricity of antenna
Road is adjusted, and only changes the corresponding switched radio frequency circuit of the logic setting of the exceeded frequency range of SAR value, can just reduce the frequency range
SAR value, solves the problems, such as that SAR value is exceeded, and from the adjustment without regard to hardware, implementation cost is relatively low.
In addition, the logic setting that the first switched radio frequency circuit to be changed is appointed as into the frequency range after change is corresponding opening
After closing radio circuit, also include：SAR value to frequency range is detected；If detecting the SAR value of frequency range more than predetermined threshold value,
Antenna currently include and in switched radio frequency circuit in blank state, select a switched radio frequency circuit, treated as second
The switched radio frequency circuit of change；The switched radio frequency circuit to be changed to second is configured, and the logic setting institute of frequency range is right
The switched radio frequency circuit answered, is updated to the second switched radio frequency circuit to be changed；Wherein, the second switched radio frequency circuit to be changed
Signal total radiant power less than the first switched radio frequency circuit to be changed signal total radiant power.So, after also to change
The SAR value of frequency range carry out repetition measurement such that it is able to further assure that the exceeded problem of antenna SAR value is resolved.
In addition, the corresponding switched radio frequency circuit of the logic setting of change frequency range, specifically includes：Currently included in antenna
And in the switched radio frequency circuit in blank state, a switched radio frequency circuit is selected, as the 3rd switched radio frequency electricity to be changed
Road；The switched radio frequency circuit to be changed to the 3rd is configured, and the 3rd switched radio frequency circuit to be changed is appointed as into change
Switched radio frequency circuit corresponding to the logic setting of frequency range afterwards.Corresponding this provides the logic setting for changing frequency range
One kind of switched radio frequency circuit implements form, increased the feasibility of embodiment of the present invention.
Brief description of the drawings
Fig. 1 is the flow chart according to antenna debugging method in first embodiment of the invention；
Fig. 2 a are the schematic block diagrams of double low-frequency antenna reset conditions according in first embodiment of the invention；
Fig. 2 b are the schematic block diagrams of state after double low-frequency antennas changes according in first embodiment of the invention；
Fig. 3 a are the schematic block diagrams of three low-frequency antenna reset conditions according in first embodiment of the invention；
Fig. 3 b are a kind of schematic block diagrams of state after the change of three low-frequency antennas according in first embodiment of the invention；
Fig. 3 c are another schematic block diagrams of state after the change of three low-frequency antennas according in first embodiment of the invention；
Fig. 4 a are a kind of schematic block diagrams of state after double low-frequency antennas changes according in second embodiment of the invention；
Fig. 4 b are another schematic block diagrams of state after double low-frequency antennas changes according in second embodiment of the invention；
Fig. 4 c are a kind of schematic block diagrams of state after the change of three low-frequency antennas according in second embodiment of the invention；
Fig. 5 is the flow chart according to antenna debugging method in third embodiment of the invention；
Fig. 6 is the structural representation according to antenna adjustment device in four embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each implementation method of the invention,
In order that reader more fully understands the application and proposes many ins and outs.But, even if without these ins and outs and base
Many variations and modification in following implementation method, it is also possible to realize the application technical scheme required for protection.
First embodiment of the invention is related to a kind of antenna debugging method, idiographic flow as shown in figure 1, step is as follows：
Step 101, the electromagnetic radiation exposure SAR value to each frequency range of antenna is detected.
Specifically, during antenna adjustment, the different switched radio frequency circuit of multiple signals total radiant power can be often set, is used to
The different frequency range switching of antenna.In present embodiment, when the electromagnetic radiation exposure SAR value to each frequency range of antenna is detected,
During each switched radio frequency circuit accessed into antenna circuit in turn, and the antenna band corresponding to each switched radio frequency circuit is carried out
Test, record, to obtain the electromagnetic radiation exposure SAR value of each frequency range of antenna.
Step 102, judges whether that the SAR value for detecting a certain frequency range is more than predetermined threshold value.If so, step 103 is then performed,
Otherwise terminate this flow.
Specifically, the SAR higher limits that international unionized irradiation protective committee specifies are 2.0W/kg, American National
The SAR higher limits that Association for Standardization specifies are 1.6W/kg.In general, antenna on-air radio transmission OTA (OTA, Over The
Air, on-air radio transmission) performance can (dB be a value for sign relative value, when consideration first higher than more than standard 1dB-2dB
Power is big compared to second power or presses formula during small how many dB：10lg (first power/second power) obtains dB to calculate), if day
After line signal total radiant power hydraulic performance decline 1dB-2dB, test still can be with up to standard, and now, the SAR value of antenna can decline 20%
~40%.So, exceeded for SAR less than 25% frequency range, just effectively can be down in safety standard.Therefore, this implementation
In mode, the frequency range of SAR value exceeded less than 25% is directed to, makes the signal of the corresponding switched radio frequency circuit of its logic setting total
Radiant power declines 1dB-2dB, is obtained in that ideal debugging result, preferably solves the problems, such as that frequency range SAR value is exceeded.
I.e., in the present embodiment, relative to the SAR higher limits that specify of international unionized irradiation protective committee for 2.0W/kg
Speech, predetermined threshold value is 2.5W/kg.For the SAR higher limits that ANSI specifies are 1.6W/kg, in advance
If threshold value can be set as 2W/kg.
Step 103, changes the corresponding switched radio frequency circuit of the logic setting of frequency range.Wherein, the frequency range for changing
The signal total radiant power of the corresponding switched radio frequency circuit of logic setting sets corresponding switch less than the former logic of frequency range
The signal total radiant power of radio circuit.
In present embodiment, step 103 includes sub-step 1031 to sub-step 1032, specific as follows：
Sub-step 1031, it is currently being included in antenna, in addition to the corresponding switched radio frequency circuit of the former logic setting of frequency range,
In switched radio frequency circuit in use state, a switched radio frequency circuit is selected, as the first switched radio frequency circuit to be changed.
In present embodiment, illustrated so that the RF switch that antenna is used is switched for SP4T as an example：Antenna includes four
Way switch radio circuit：RF1, RF2, RF3 and RF4.In general, antenna adjustment using only double switch radio circuit or
Three-way switch radio circuit, remaining switched radio frequency circuit all the way or double switch radio circuit are in blank state.Such as, switch is penetrated
The frequency range that frequency circuit RF1, RF2 are used as antenna switches, and RF3, RF4 are in blank state.Wherein, the letter of switched radio frequency circuit RF 1
The signal total radiant power of number total radiant power more than switched radio frequency circuit RF 2.When in a step 102, detecting switched radio frequency
In circuit RF 1, when the SAR value of a frequency range is more than predetermined threshold value, just can be to be changed as first using selecting switch radio circuit RF2
Switched radio frequency circuit.
Sub-step 1032, the logic setting institute that the first switched radio frequency circuit to be changed is appointed as into the frequency range after change is right
The switched radio frequency circuit answered.
Specifically, in sub-step 1031, switched radio frequency circuit RF 2 as the first switched radio frequency circuit to be changed,
Then in sub-step 1032, the switch corresponding to the logic setting of the frequency range that switched radio frequency circuit RF 2 is appointed as after change is penetrated
Frequency circuit.
The antenna debugging method in present embodiment is illustrated in detail below：
1st, antenna is that double low-frequency antennas, i.e. antenna support low frequency 800MHz and 900MHz.SP4T is switched using only two-way
RF1, RF2 switch double low frequencies, and remaining two-way RF3 and RF4 is unused, as shown in Figure 2 a.In the electromagnetic radiation to each frequency range of antenna
When exposure SAR value is detected, a frequency range is detected -- the SAR value of B7 frequency ranges is exceeded：
The logic setting of exceeded frequency range B7 is changed to RF2, as shown in Figure 2 b.RF2 is the 900M states of antenna low frequency, is adjusted
The aerial signal total radiant power for saving RF2 causes to be less than signal total radiant power 2dB of RF1 or so, then the signal of B7 frequency ranges is total
Radiant power still can be up to standard, and SAR value is not exceeded.In this case, the switched radio frequency circuit of antenna need not be changed, only
Change logic setting can just reach drop SAR purposes, and the problem for making antenna SAR exceeded is resolved.
2nd, antenna is that three low-frequency antennas, i.e. antenna support low frequency 700MHz, 800MHz, 900MHz, and four tunnels of switch have used
Three road RF1, RF2, RF3 switch three low frequency states respectively, and remaining RF4 is unused, as shown in Figure 3 a.In the electricity to each frequency range of antenna
When magnetic radiation exposure SAR value is detected, a frequency range is detected -- the SAR value of B7 frequency ranges is exceeded：
The logic setting of exceeded frequency range B7 is changed to RF2 or RF3, as shown in Fig. 3 b, 3c, the antenna of B7 frequency ranges is adjusted
Signal total radiant power makes it decline 2dB and can be up to standard, and SAR value is not exceeded.Now, other frequency ranges are uninfluenced, operation compared with
For simple and convenient and easy to implement.In practical operation, the setting of the logic of exceeded frequency range B7 can also be first changed to RF2, and
The SAR value to B7 frequency ranges is detected afterwards；If the SAR value of B7 frequency ranges is detected still more than predetermined threshold value, then by exceeded frequency
The logic setting of section B7 is first changed to RF3, to improve the possibility that the exceeded problem of SAR value is solved.
It is noted that above-mentioned enumerate, only illustrated with the exceeded situations of the SAR of 1 frequency range, in practical operation
When, if there are the exceeded situations of multiple frequency range SAR, it is also possible to using the antenna debugging method in present embodiment, reduce SAR
Value, solves the problems, such as that SAR value is exceeded.Such as, when antenna is double low-frequency antennas, if detecting, the SAR value of B1, B7 frequency range surpasses
Mark, then can be changed to RF2 by the setting of the logic of B1, B7 frequency range；When antenna is three low-frequency antenna, if detecting B1, B7
The SAR value of frequency range is exceeded, then the setting of the logic of B1, B7 frequency range can be changed into RF2, be changed to RF3, or by B1,
In B7 frequency ranges, the logic setting of is changed to RF2, and another logic setting is changed to RF3.In present embodiment, not
The form that implements of the switched radio frequency circuit corresponding to the logic setting for changing frequency range does any limitation.
Compared with prior art, in present embodiment, detected in the electromagnetic radiation exposure SAR value to each frequency range of antenna
Afterwards, the frequency range (that is, the exceeded frequency range of SAR value) by detected SAR value more than predetermined threshold value, by changing patrolling for the frequency range
The mode of the switched radio frequency Circuit Matching corresponding to setting is collected, the switch corresponding to the logic setting of the frequency range after order change is penetrated
The signal global radiation work(of the signal total radiant power of the frequency circuit switched radio frequency circuit corresponding less than frequency range original logic setting
Rate.So, reduced equivalent to by the signal radiant power of the switched radio frequency circuit corresponding to the exceeded frequency range of SAR value, so that
The SAR value of the frequency range can be reduced, solves the problems, such as that SAR value is exceeded.In this way, so as to be set mobile communication is not reduced
The transmission power of standby mainboard, do not change in the case that antenna main road matches, the problem for making antenna SAR exceeded is resolved, behaviour
Make relatively simple convenient and easy to implement.
Second embodiment of the present invention is related to a kind of antenna debugging method.Second embodiment is in first embodiment
On the basis of improved, mainly the improvement is that：In second embodiment of the invention, also to the SAR of the frequency range after change
Value carries out repetition measurement, to further assure that the exceeded problem of antenna SAR value is resolved.
Specifically, in the present embodiment, the first switched radio frequency circuit to be changed is appointed as the frequency range after change
The corresponding switched radio frequency circuit of logic setting after, the SAR value also to the frequency range is detected；If detecting the frequency range
SAR value is more than predetermined threshold value, then antenna currently include and in switched radio frequency circuit in blank state, selection one is switched
Radio circuit, as the second switched radio frequency circuit to be changed；The switched radio frequency circuit to be changed to second is configured, and will
Switched radio frequency circuit corresponding to the logic setting of frequency range, is updated to the second switched radio frequency circuit to be changed；Wherein, second treat
Signal global radiation work(of the signal total radiant power of the switched radio frequency circuit of change less than the first switched radio frequency circuit to be changed
Rate.Below it is illustrated：
1st, antenna is that double low-frequency antennas, i.e. antenna support low frequency 800MHz and 900MHz.SP4T is switched using only two-way
RF1, RF2 switch double low frequencies, and remaining two-way RF3 and RF4 is unused, as shown in Figure 2 a.In the electromagnetic radiation to each frequency range of antenna
When exposure SAR value is detected, a frequency range is detected -- the SAR value of B7 frequency ranges is exceeded：
The logic setting of exceeded frequency range B7 is changed to RF2, as shown in Figure 2 b, the SAR value to B7 frequency ranges is examined again
Survey；It is RF2 roads by the logic Modification of B7 if the SAR value for detecting B7 frequency ranges meets laws and regulations requirement, if detecting, SAR value is big
In predetermined threshold value, then antenna currently include and in switched radio frequency circuit in blank state, selection one switched radio frequency electricity
Road, as the second switched radio frequency circuit to be changed, as shown in Fig. 4 a, 4b.Such as, in fig .4, the matching on regulation RF3 roads, makes
Obtain B7 band antenna signals total radiant power and decline 2dB or so, now the signal total radiant power of B7 frequency ranges is up to standard, and SAR value is not
It is exceeded, and other frequency ranges are uninfluenced.
2nd, antenna is that three low-frequency antennas, i.e. antenna support low frequency 700MHz, 800MHz, 900MHz, and four tunnels of switch have used
Three road RF1, RF2, RF3 switch three low frequency states respectively, and remaining RF4 is unused, as shown in Figure 3 a.In the electricity to each frequency range of antenna
When magnetic radiation exposure SAR value is detected, a frequency range is detected -- the SAR value of B7 frequency ranges is exceeded：
The logic setting of exceeded frequency range B7 is changed to RF2, as shown in Figure 3 b, the SAR value to B7 frequency ranges is examined again
Survey；If detecting the SAR value of B7 frequency ranges more than predetermined threshold value, the logic setting of exceeded frequency range B7 is changed to RF3, such as Fig. 3 c
Shown, the SAR value to B7 frequency ranges is detected again；If the SAR value of B7 frequency ranges is detected more than predetermined threshold value, by exceeded frequency
The logic setting of section B7 is changed to RF4, as illustrated in fig. 4 c.Meanwhile, the matching on regulation RF4 roads so that B7 band antenna signals are total
Radiant power declines 2dB or so, and now the signal total radiant power of B7 frequency ranges is up to standard, and SAR value is not exceeded, and other frequency ranges are not received
Influence.
It is noted that above-mentioned enumerate, only illustrated with the exceeded situations of the SAR of 1 frequency range, in practical operation
When, if there are the exceeded situations of multiple frequency range SAR, it is also possible to using the antenna debugging method in present embodiment, reduce SAR
Value, solves the problems, such as that SAR value is exceeded.Such as, when antenna is double low-frequency antennas, if detecting the SAR value of the B1 frequency ranges after change
It is exceeded, then the setting of the logic of B1 frequency ranges can be changed to RF3；If detecting, the SAR value of B1, B7 frequency range after change surpasses
Mark, then can be changed to RF3 or RF4, or the logic setting of B1 is changed into RF3, is incited somebody to action by the setting of the logic of B1, B7 frequency range
The logic setting of B7 frequency ranges is changed to RF4.When antenna is three low-frequency antenna, if detecting the SAR value of the B1 frequency ranges after change
It is exceeded, then the setting of the logic of B1 frequency ranges can be changed to RF4；If detecting, the SAR value of B1, B7 frequency range is exceeded, can be with
The logic setting of B1, B7 frequency range is changed to RF4.
Duplexer listed above can be that situation about throwing hilted broadsword, i.e. switch only have single channel to open more, in practical operation
When, some antennas switch can also support that two-way or multichannel are opened simultaneously, to apply in present case as switch
State.Under this state that duplexer supports that two-way or multichannel are opened simultaneously, the exceeded frequency range of SAR value is adjusted,
Make its up to standard then more simple, increase matching without selecting switched radio frequency circuit new all the way, in duplexer per all the way
Switched radio frequency circuit is all used, and in the case of not having vacant switched radio frequency circuit, can attempt using two-way or multichannel
All open and set as the logic of exceeded frequency range, be adjusted in order to the SAR value to exceeded frequency range, make its up to standard.However, on
It is only to illustrate to state citing, and in present embodiment, concrete form and the logic of change frequency range not to duplexer set institute
The form that implements of corresponding switched radio frequency circuit does any limitation.
Third embodiment of the invention is related to a kind of antenna debugging method, as shown in Figure 5.3rd implementation method is real with first
Apply mode roughly the same, main distinction part is：" the logic setting institute of change frequency range is right in third embodiment of the invention
" switch that the logic setting of change frequency range is corresponding is penetrated in the implementation of the switched radio frequency circuit answered " and first embodiment
The implementation of frequency circuit " is different, is below specifically described：
In present embodiment, step 102 in step 501 to step 502 and first embodiment to step 103 substantially phase
Together, to avoid repeating, will not be repeated here, different piece is illustrated below：
Step 503, changes the corresponding switched radio frequency circuit of the logic setting of frequency range.Wherein, the frequency range for changing
The signal total radiant power of the corresponding switched radio frequency circuit of logic setting sets corresponding switch less than the former logic of frequency range
The signal total radiant power of radio circuit.
In present embodiment, step 503 includes sub-step 5031 to sub-step 5032, specific as follows：
Sub-step 5031, antenna currently include and in switched radio frequency circuit in blank state, selection one is switched
Radio circuit, as the 3rd switched radio frequency circuit to be changed.
In present embodiment, illustrated so that the RF switch that antenna is used is switched for SP4T as an example：Antenna includes four
Way switch radio circuit：RF1, RF2, RF3 and RF4.In general, antenna adjustment using only double switch radio circuit or
Three-way switch radio circuit, remaining switched radio frequency circuit all the way or double switch radio circuit are in blank state.Such as, switch is penetrated
The frequency range that frequency circuit RF1, RF2 are used as antenna switches, and RF3, RF4 are in blank state.Wherein, the letter of switched radio frequency circuit RF 1
The signal total radiant power of number total radiant power more than switched radio frequency circuit RF 2.When in step 502, detecting switched radio frequency
In circuit RF 1, when the SAR value of a frequency range is more than predetermined threshold value, just can be using selecting switch radio circuit RF3 or RF4 as first
Switched radio frequency circuit to be changed.
Sub-step 5032, the switched radio frequency circuit to be changed to the 3rd is configured, and the 3rd switch to be changed is penetrated
Frequency circuit is appointed as the switched radio frequency circuit corresponding to the logic setting of the frequency range after change.
Specifically, the logic setting for the 3rd switched radio frequency circuit to be changed being appointed as into the frequency range after change is corresponding
Switched radio frequency circuit, and adjust the 3rd switched radio frequency circuit to be changed matching so that the exceeded total spoke of band antenna signal
Power drop 2dB or so is penetrated, now the signal total radiant power of exceeded frequency range is up to standard, and SAR value is not exceeded, and other frequency ranges are not received
Influence.
Above the step of various methods divide, be intended merely to description it is clear, can be merged into when realizing a step or
Some steps are split, multiple steps are decomposed into, as long as comprising identical logical relation, all in the protection domain of this patent
It is interior；To adding inessential modification in algorithm or in flow or introducing inessential design, but its algorithm is not changed
With the core design of flow all in the protection domain of the patent.
Four embodiment of the invention is related to a kind of antenna adjustment device 60, as shown in fig. 6, including：Detection module 601,
Judge module 602 and processing module 603.
Specifically, detection module 601 is used to detect the electromagnetic radiation exposure SAR value of each frequency range of antenna.Judge
Module 602 is used in each frequency range for judge detection module detection, if the SAR value that there is a certain frequency range is more than predetermined threshold value.Place
Reason module 603 is used to, when judge module 602 detects the SAR value of a certain frequency range more than predetermined threshold value, change the logic of frequency range
The corresponding switched radio frequency circuit of setting.Wherein, the logic of the frequency range for changing sets corresponding switched radio frequency circuit
The signal total radiant power of the signal total radiant power switched radio frequency circuit corresponding less than the former logic setting of frequency range.
More specifically, the SAR higher limits that international unionized irradiation protective committee specifies are 2.0W/kg, state of the U.S.
The SAR higher limits that Association for Standardization of family specifies are 1.6W/kg.In general, antenna on-air radio transmission OTA (OTA, Over
The Air, on-air radio transmission) performance can (dB be a value for sign relative value, works as consideration higher than more than standard 1dB-2dB
The power of first is big compared to second power or presses formula during small how many dB：10lg (first power/second power) obtains dB to calculate),
If after aerial signal total radiant power hydraulic performance decline 1dB-2dB, test still can be with up to standard, and now, the SAR value of antenna can decline
20%~40%.So, exceeded for SAR less than 25% frequency range, just effectively can be down in safety standard.Therefore, originally
In implementation method, the frequency range of SAR value exceeded less than 25% is directed to, makes its logic set the letter of corresponding switched radio frequency circuit
Number total radiant power declines 1dB-2dB, is obtained in that ideal debugging result, preferably solves frequency range SAR value exceeded
Problem.I.e., in the present embodiment, the SAR higher limits for specifying relative to international unionized irradiation protective committee are 2.0W/
For kg, predetermined threshold value can be set as 2.5W/kg.The SAR higher limits specified relative to ANSI are
For 1.6W/kg, predetermined threshold value can be set as 2W/kg.
In present embodiment, processing module 603 includes：First choice submodule and the first specified submodule.First choosing
Select submodule for it is currently being included in antenna, in addition to the corresponding switched radio frequency circuit of the former logic setting of frequency range, in making
With in the switched radio frequency circuit of state, a switched radio frequency circuit is selected, as the first switched radio frequency circuit to be changed.First refers to
Stator modules are used for opening corresponding to the logic setting of the frequency range that the first switched radio frequency circuit to be changed is appointed as after change
Close radio circuit.
It is seen that, present embodiment is the device embodiment corresponding with first embodiment, and present embodiment can be with
First embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, repeats no more here.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In first embodiment.
It is noted that each module involved in present embodiment is logic module, in actual applications, one
Individual logic unit can be a part for a physical location, or a physical location, can also be with multiple physics lists
The combination of unit is realized.Additionally, in order to protrude innovative part of the invention, will not be with solution institute of the present invention in present embodiment
The unit that the technical problem relation of proposition is less close is introduced, but this is not intended that in present embodiment do not exist other lists
Unit.
Fifth embodiment of the invention is related to a kind of antenna adjustment device.Base of 5th implementation method in the 4th implementation method
Improved on plinth, mainly theed improvement is that：In fifth embodiment of the invention, also to the SAR value of the frequency range after change
Repetition measurement is carried out, to further assure that the exceeded problem of antenna SAR value is resolved.Below it is specifically described：
In present embodiment, processing module 603 also includes：Second selection submodule and the second specified submodule.First
Specified submodule is additionally operable to detection trigger module and the SAR value of frequency range is detected.Judge module is additionally operable to judge the SAR of frequency range
Whether value is more than predetermined threshold value, and when judged result is to be, triggering second selects submodule.Second selection submodule is used for
In switched radio frequency circuit that antenna is currently included and in blank state, a switched radio frequency circuit is selected, treated more as second
The switched radio frequency circuit for changing.Second specifies submodule to be configured for the switched radio frequency circuit to be changed to second, and will frequency
Switched radio frequency circuit corresponding to the logic setting of section, is updated to the second switched radio frequency circuit to be changed；Wherein, second treat more
Signal total radiant power of the signal total radiant power of the switched radio frequency circuit for changing less than the first switched radio frequency circuit to be changed.
Because second embodiment is mutually corresponding with present embodiment, therefore present embodiment can be mutual with second embodiment
It is engaged implementation.The relevant technical details mentioned in second embodiment are still effective in the present embodiment, implement second
The technique effect to be reached in mode in the present embodiment similarly it is achieved that in order to reduce repetition, no longer go to live in the household of one's in-laws on getting married here
State.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in second embodiment.
Sixth embodiment of the invention is related to a kind of antenna adjustment device.6th implementation method is with first embodiment substantially
Identical, main distinction part is：The way of realization of the processing module in sixth embodiment of the invention and the 4th implementation method
The way of realization of middle processing module is different.Below it is specifically described：
In present embodiment, processing module 603 includes：3rd selection submodule and the 3rd specified submodule.3rd choosing
During submodule is selected for switched radio frequency circuit currently included in antenna and in blank state, one switched radio frequency of selection is electric
Road, as the 3rd switched radio frequency circuit to be changed.3rd specified submodule is used for the 3rd switched radio frequency circuit to be changed
Switched radio frequency circuit corresponding to the logic setting of the frequency range being appointed as after change.
It is seen that, present embodiment is the device embodiment corresponding with the 3rd implementation method, and present embodiment can be with
3rd implementation method is worked in coordination implementation.The relevant technical details mentioned in 3rd implementation method still have in the present embodiment
Effect, in order to reduce repetition, repeats no more here.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In 3rd implementation method.
It will be appreciated by those skilled in the art that all or part of step in realizing above-described embodiment method can be by
Program is completed to instruct the hardware of correlation, and the program storage is in a storage medium, including some instructions are used to so that one
Individual equipment (can be single-chip microcomputer, chip etc.) or processor (processor) perform the application each embodiment methods described
All or part of step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiment of the invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of antenna debugging method, it is characterised in that including：
Electromagnetic radiation exposure SAR value to each frequency range of antenna is detected；
If detecting the SAR value of a certain frequency range more than predetermined threshold value, the corresponding switch of the logic setting of the frequency range is changed
Radio circuit；Wherein, the signal global radiation work(of the corresponding switched radio frequency circuit of the logic setting of the frequency range for changing
The signal total radiant power of the rate switched radio frequency circuit corresponding less than the former logic setting of the frequency range.
2. antenna debugging method according to claim 1, it is characterised in that the logic setting institute of the change frequency range
Corresponding switched radio frequency circuit, specifically includes：
It is currently being included in the antenna, in addition to the corresponding switched radio frequency circuit of the former logic setting of the frequency range, in making
With in the switched radio frequency circuit of state, a switched radio frequency circuit is selected, as the first switched radio frequency circuit to be changed；
Opening corresponding to the logic setting of the frequency range that the described first switched radio frequency circuit to be changed is appointed as after change
Close radio circuit.
3. antenna debugging method according to claim 2, it is characterised in that described to penetrate the described first switch to be changed
After frequency circuit is appointed as the corresponding switched radio frequency circuit of the logic of the frequency range after change setting, also include：
SAR value to the frequency range is detected；
If detecting the SAR value of the frequency range more than predetermined threshold value, the antenna currently include and in blank state
Switched radio frequency circuit in, select a switched radio frequency circuit, as the second switched radio frequency circuit to be changed；
The switched radio frequency circuit to be changed to described second is configured, and the logic of the frequency range is set into corresponding switch
Radio circuit, is updated to the described second switched radio frequency circuit to be changed；Wherein, the described second switched radio frequency circuit to be changed
Signal total radiant power less than the described first switched radio frequency circuit to be changed signal total radiant power.
4. antenna debugging method according to claim 1, it is characterised in that the logic setting institute of the change frequency range
Corresponding switched radio frequency circuit, specifically includes：
The antenna currently include and in switched radio frequency circuit in blank state, select a switched radio frequency circuit, make
It is the 3rd switched radio frequency circuit to be changed；
The switched radio frequency circuit to be changed to the described 3rd is configured, and the described 3rd switched radio frequency circuit to be changed is referred to
It is set to the corresponding switched radio frequency circuit of the logic setting of the frequency range after change.
5. antenna debugging method according to claim 1, it is characterised in that the predetermined threshold value is 2.5W/kg or 2W/
kg。
6. a kind of antenna adjustment device, it is characterised in that including：Detection module, judge module and processing module；
The detection module is used to detect the electromagnetic radiation exposure SAR value of each frequency range of antenna；
The judge module is used in each frequency range for judge the detection module detection, if the SAR value that there is a certain frequency range is big
In predetermined threshold value；
The processing module is used to, when the judge module detects the SAR value of a certain frequency range more than predetermined threshold value, change institute
State the corresponding switched radio frequency circuit of the logic setting of frequency range；Wherein, the logic setting of the frequency range for changing is corresponding
Switched radio frequency circuit the signal total radiant power switched radio frequency circuit corresponding less than the former logic setting of the frequency range
Signal total radiant power.
7. antenna adjustment device according to claim 6, it is characterised in that the processing module includes：First choice
Module and the first specified submodule；
The first choice submodule be used for currently included in the antenna, except the frequency range former logic setting corresponding to
Outside switched radio frequency circuit, in the switched radio frequency circuit in use state, a switched radio frequency circuit is selected, it is to be changed as first
Switched radio frequency circuit；
Described first specifies submodule for the described first switched radio frequency circuit to be changed to be appointed as the frequency after change
Switched radio frequency circuit corresponding to the logic setting of section.
8. antenna adjustment device according to claim 7, it is characterised in that the processing module also includes：Second selection
Submodule and the second specified submodule；
Described first specifies submodule to be additionally operable to trigger the detection module and detected to the SAR value of the frequency range；
Whether the judge module is additionally operable to judge the SAR value of the frequency range more than predetermined threshold value, and when judged result is to be,
Trigger the second selection submodule；
The second selection submodule is used in switched radio frequency circuit currently included in the antenna and in blank state,
A switched radio frequency circuit is selected, as the second switched radio frequency circuit to be changed；
Described second specifies submodule to be configured for the switched radio frequency circuit to be changed to described second, and by the frequency range
The corresponding switched radio frequency circuit of logic setting, be updated to the described second switched radio frequency circuit to be changed；Wherein, described
Signal of the signal total radiant power of two switched radio frequency circuits to be changed less than the described first switched radio frequency circuit to be changed
Total radiant power.
9. antenna adjustment device according to claim 6, it is characterised in that the processing module includes：3rd selection
Module and the 3rd specified submodule；
The 3rd selection submodule is used in switched radio frequency circuit currently included in the antenna and in blank state,
A switched radio frequency circuit is selected, as the 3rd switched radio frequency circuit to be changed；
Described 3rd specifies submodule to be configured for the switched radio frequency circuit to be changed to the described 3rd, and by the described 3rd
Switched radio frequency circuit to be changed is appointed as the switched radio frequency circuit corresponding to the logic setting of the frequency range after change.
10. antenna adjustment device according to claim 6, it is characterised in that the predetermined threshold value is 2.5W/kg or 2W/
kg。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710179591.7A CN106850100A (en) | 2017-03-23 | 2017-03-23 | antenna debugging method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710179591.7A CN106850100A (en) | 2017-03-23 | 2017-03-23 | antenna debugging method and device |
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| CN106850100A true CN106850100A (en) | 2017-06-13 |
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ID=59130996
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| CN201710179591.7A Pending CN106850100A (en) | 2017-03-23 | 2017-03-23 | antenna debugging method and device |
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| WO2020093267A1 (en) * | 2018-11-07 | 2020-05-14 | Oppo广东移动通信有限公司 | Resource adjusting method and apparatus, and chip and computer program |
| CN113489554A (en) * | 2021-07-05 | 2021-10-08 | 江苏东大集成电路系统工程技术有限公司 | Communication equipment and method for reducing SAR of communication equipment |
| CN114978225A (en) * | 2022-05-09 | 2022-08-30 | Oppo广东移动通信有限公司 | Control method, apparatus, terminal, storage medium, and computer program product |
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Application publication date: 20170613 |