CN109286422A - A kind of method of intelligence separating device and the noise coefficient for adjusting radio frequency link - Google Patents
A kind of method of intelligence separating device and the noise coefficient for adjusting radio frequency link Download PDFInfo
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- CN109286422A CN109286422A CN201811358037.6A CN201811358037A CN109286422A CN 109286422 A CN109286422 A CN 109286422A CN 201811358037 A CN201811358037 A CN 201811358037A CN 109286422 A CN109286422 A CN 109286422A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/36—Repeater circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15535—Control of relay amplifier gain
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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
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Abstract
The invention discloses a kind of methods of intelligence separating device and the noise coefficient for adjusting radio frequency link, make an uproar higher technical problem to solve the bottom in radio frequency link existing in the prior art.Intelligence separating device includes: a signal input part, is used for input signal；It is set as the N grade power-devided circuit of symmetrical structure, for input signal to be assigned as the identical M of noise coefficientNRoad output signal；Wherein, N is positive integer, and M is that the signal of each power splitter in N grades of power-devided circuits exports number；MNA signal output end, each signal output end export output signal all the way.
Description
Technical field
The present invention relates to the communications fields, more particularly, to the side of a kind of intelligence separating device and the noise coefficient for adjusting radio frequency link
Method.
Background technique
With the development of communication technology, communication products present the trend of diversified development.
Currently, on the one hand wishing that cost is lower and lower to communication products, on the other hand wish that the performance of communication products is more next
It is better, such as wish that the price of communication products is low, wireless network (wifi) packet loss is low, the product for the zero roaming intelligence point that has just been born.
The product of intelligence point mainly uses 1 wireless access point, by constantly increasing power splitter, increases amplifier,
Radio frequency link finally accesses different rooms from multichannel is become all the way.To the cost that makes intelligence divide product is low as far as possible and property
It can be good as far as possible.
However, since intelligence divides product to be that a radio frequency link of script is become multilink, signal quilt by power splitter
The number of function point is more, and signal is weaker.In order to guarantee signal by the intensity after function point, it usually needs power amplifier is added, but
The bottom that the addition of power amplifier can be lifted radio frequency link again is made an uproar, to reduce the sensitivity that intelligence divides product.
It makes an uproar the technical problem urgently to be resolved as one in consideration of it, how to reduce the bottom in radio frequency link.
Summary of the invention
The present invention provides a kind of method of intelligence separating device and the noise coefficient for adjusting radio frequency link, to solve the prior art
Present in bottom in radio frequency link make an uproar higher technical problem.
In a first aspect, in order to solve the above technical problems, a kind of intelligence provided in an embodiment of the present invention divides the technical solution of product
It is as follows:
One signal input part is used for input signal；
It is set as the N grade power-devided circuit of symmetrical structure, for the input signal to be assigned as the identical M of noise coefficientN
Road output signal；Wherein, N is positive integer, and M is that the signal of each power splitter in the N grades of power-devided circuit exports number；
MNA signal output end, each signal output end export output signal all the way.
Optionally, the N grades of power-devided circuit, comprising:
I-stage power-devided circuit has Mi-1A power splitter；Wherein, i is the positive integer no more than N；
Between i-stage power-devided circuit and i+1 grade power-devided circuit, connect between the two neighboring power splitter that is arbitrarily electrically connected
Connect an adjustable attenuator；Each adjustable attenuator, for adjusting the parameter of corresponding adjustable attenuator according to preset rules, with
Keep the noise coefficient of each signal output end equal.
Optionally, the preset rules specifically:
The parameter of each adjustable attenuator is the difference of the first gain and standard gain；Wherein, first gain is
Gain inequality of the input signal between the output end of power splitter for passing through corresponding signal output end and higher level's power-devided circuit,
The standard gain is the smallest value of gain inequality with adjustable attenuator in the power-devided circuit of each adjustable attenuator peer.
Optionally, the intelligence separating device further includes the power concatenated between power splitter and corresponding adjacent adjustable attenuator
Amplified signal for amplifying the signal of adjacent power splitter output, and is passed to adjacent adjustable attenuator by amplifier.
Optionally, the power splitter is two points of power splitters, three points of power splitters or four points of power splitters.
Second aspect, the embodiment of the invention provides a kind of method for adjusting the noise coefficient of radio frequency link, applications
In intelligence separating device, this method comprises:
Acquire the yield value of each power splitter output end in the intelligence separating device；Wherein, the intelligence packing is set to one
Road signal input part and MNThe N grade power-devided circuit of road signal output end, and it is arranged to symmetrical structure, N is integer, and M is the N
The signal of each power splitter exports number in grade power-devided circuit；
Based on the yield value of each power splitter output end, to first order function point since the N grades of power-devided circuits
The direction of circuit is step by step adjusted the parameter of each adjustable attenuator in the intelligence separating device, described until having adjusted
Adjustable attenuator between first order power-devided circuit and second level power-devided circuit makes each signal output end of the intelligence separating device
Noise coefficient is all equal.
Optionally, the parameter of each adjustable attenuator in the intelligence separating device is adjusted step by step, comprising:
According to before being electrically connected in prime power-devided circuit with each adjustable attenuator when in prime power-devided circuit
The yield value of the corresponding output end of latter two power splitter calculates the gain when each adjustable attenuator in prime power-devided circuit
Difference；
From the gain inequality of all adjustable attenuators in the prime power-devided circuit, it is poor to filter out least gain；
By described when the gain inequality of each adjustable attenuator in prime power-devided circuit and the least gain difference carry out poor fortune
It calculates, obtains the adjusting parameter when each adjustable attenuator in prime power-devided circuit；
By described when the adjusting parameter of each adjustable attenuator in prime power-devided circuit adjusts corresponding adjustable attenuator.
Optionally, by described, the adjusting parameter adjustment of each adjustable attenuator is corresponding in the prime power-devided circuit adjustable declines
Before subtracting device, further includes:
If adjustable attenuator to be adjusted is the corresponding adjustable attenuator of the least gain difference, not to described to be adjusted
The parameter of adjustable attenuator be adjusted.
Optionally, the power splitter, comprising:
Any one of two points of power splitters, three points of power splitters, four points of power splitters.
The technical solution in said one or multiple embodiments through the embodiment of the present invention, the embodiment of the present invention at least have
There is following technical effect:
In embodiment provided by the invention, by that will have a signal input part and MNThe intelligence of a signal output end point
Device is set as the N grade power-devided circuit of symmetrical structure, for input signal to be assigned as the identical M of noise coefficientNRoad output letter
Number, wherein N is positive integer, and M is that the signal of each power splitter in the N grades of power-devided circuit exports road, makes in intelligence separating device every
The noise coefficient of branch is all equal, to can ensure that the gain reduction of every branch is almost the same, realizes that reduction intelligence separating device is total
The technical effect that body bottom is made an uproar.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of intelligence separating device provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of 2 grade of two power-devided circuit provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of 3 grade of two power-devided circuit provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of 2 grade of two power-devided circuit that power amplifier is arranged provided in an embodiment of the present invention
Figure；
Fig. 5 is a kind of flow chart of noise coefficient method for adjusting radio frequency link provided in an embodiment of the present invention.
Specific embodiment
Implementation column of the present invention provides a kind of method of intelligence separating device and the noise coefficient for adjusting radio frequency link, existing to solve
Bottom in radio frequency link present in technology is made an uproar higher technical problem.
In order to solve the above technical problems, general thought is as follows for technical solution in the embodiment of the present application:
There is provided a kind of intelligence separating device, comprising: a signal input part is used for input signal；It is set as the N grade of symmetrical structure
Power-devided circuit, for input signal to be assigned as the identical M of noise coefficientNRoad output signal；Wherein, N is positive integer, and M is N grades
The signal of each power splitter exports number in power-devided circuit；MNA signal output end, each signal output end export defeated letter all the way
Number.
Due in the above scheme, by that will have a signal input part and MNThe intelligence packing of a signal output end installs
It is set to the N grade power-devided circuit of symmetrical structure, for input signal to be assigned as the identical M of noise coefficientNRoad output signal,
In, N is positive integer, and M is that the signal of each power splitter in the N grades of power-devided circuit exports number, makes every branch in intelligence separating device
The noise coefficient on road is all equal, to can ensure that the gain reduction of every branch is almost the same, realizing reduces intelligence separating device totality
The technical effect that bottom is made an uproar.
In order to better understand the above technical scheme, below by attached drawing and specific embodiment to technical solution of the present invention
It is described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the detailed of technical solution of the present invention
Thin explanation, rather than the restriction to technical solution of the present invention, in the absence of conflict, the embodiment of the present invention and embodiment
In technical characteristic can be combined with each other.
Referring to FIG. 1, the embodiment of the present invention provides a kind of intelligence separating device 10, which includes:
One 101 (not shown) of signal input part is used for input signal；
It is set as the N grade power-devided circuit 102 of symmetrical structure, for input signal to be assigned as the identical M of noise coefficientNRoad
Output signal；Wherein, N is positive integer, and M is that the signal of each power splitter in N grades of power-devided circuits exports number；
MNA 103 (not shown) of signal output end, each signal output end export output signal all the way.
It is symmetrical through having in intelligence separating device 10 after an input signal is inputted from the signal input part 101 of intelligence separating device 10
After the N grade power-devided circuit 102 of structure carries out function point, make N grades of power-devided circuits 102 that input signal is assigned as noise coefficient identical
MNRoad output signal 103, to can ensure that the gain reduction of the corresponding branch of each signal output end is almost the same, realizing is reduced
The technical effect that the overall bottom of intelligence separating device 10 is made an uproar.
It is to be appreciated that only show power splitter in every grade of power-devided circuit in order to facilitate understanding in Fig. 1, and it is practical
In, not there was only power splitter in every grade of power-devided circuit.
Optionally, N grades of power-devided circuits 102, comprising:
I-stage power-devided circuit has Mi-1A power splitter 1021；Wherein, i is the positive integer no more than N；
Between i-stage power-devided circuit and i+1 grade power-devided circuit, connect between the two neighboring power splitter that is arbitrarily electrically connected
Connect an adjustable attenuator 1022；Each adjustable attenuator 1022, for adjusting corresponding adjustable attenuator according to preset rules
Parameter so that the noise coefficient of each signal output end is equal.
For example, Fig. 2 is referred to, and by taking 2 grades of two points of power-devided circuits 102 as an example (i.e. N=2, M=2), as i=1, the 1st grade of function
Parallel circuit has 21-1=1 power splitter 1021, as i=2, the 2nd grade of power-devided circuit has 22-1=2 power splitters 1021, i.e., 2
The 1st grade of power-devided circuit in two points of power-devided circuits 102 of grade has 1 power splitter 1021, and the 2nd grade of power-devided circuit has 2 power splitters
1021, between the 1st grade of power-devided circuit and the 2nd grade of power-devided circuit, it is connected between the two neighboring power splitter that is arbitrarily electrically connected
One adjustable attenuator 1022, the adjustable attenuator 1022 are one of the constituent element of the 2nd grade of power-devided circuit.And it is each adjustable
Attenuator 1022 can adjust the parameter of corresponding adjustable attenuator according to preset rules, export each signal of intelligence separating device
The noise coefficient at end is all identical.
Pass through the input terminal of each power splitter in the other grades of power-devided circuits in addition to the 1st grade of power-devided circuit, setting
One adjustable attenuator, and be adjusted by parameter of the preset rules to adjustable attenuator, keep each signal of intelligence separating device defeated
The noise coefficient of outlet is all identical, thus can ensure that the gain reduction of the corresponding branch of each signal output end is almost the same, it is real
Now reduce the technical effect made an uproar at intelligence separating device totality bottom.
Wherein, preset rules specifically:
The parameter of each adjustable attenuator 1022 is the difference of the first gain and standard gain；Wherein, the first gain is input
Signal is by the gain inequality between corresponding signal output end and the output end of the power splitter 1021 of higher level's power-devided circuit, standard
Gain is the smallest value of gain inequality with adjustable attenuator in the power-devided circuit of each adjustable attenuator peer.
Fig. 3 is referred to, it, should be from most final stage function point when calculating the parameter of adjustable attenuator by taking 3 grades of two points of power-devided circuits as an example
Circuit starts step-by-step calculation, is to make prime in this way until the adjustable attenuator in the power-devided circuit of the second level has been calculated
Adjustable attenuator parameter adjust it is unlikely influence rear class adjustable attenuator adjustment.
Step 1: calculating the first gain of each adjustable attenuator in 3rd level power-devided circuit in Fig. 3, and therefrom select minimum
The first gain as standard gain, the parameter of the corresponding adjustable attenuator of standard gain need not adjust, other adjustable dampings
The parameter of device is adjusted to the difference of respective first gain and standard gain.
Such as, the parameter of adjustable attenuator 23 is calculated, it is necessary to first calculate the first gain and the mark of adjustable attenuator 23
Quasi- gain.
Specifically, being divided into 8 output signals (i.e. correspondence of signal output end 1~8 through 3 grades of power-devided circuit function in input signal
Output signal) after, the first gain of adjustable attenuator 23 is higher level's power-devided circuit of signal output end 1 and adjustable attenuator 23
Power splitter 12 output end 1 or output end 2 between gain inequality, be denoted as k1；First gain of adjustable attenuator 24 is signal
Gain inequality between the output end 2 of the power splitter 12 of higher level's power-devided circuit of output end 3 or output end 4 and adjustable attenuator 24,
It is denoted as k2；First gain of adjustable attenuator 25, adjustable attenuator 26 is denoted as k3, k4, the meter of calculating process and k1, k2 respectively
This is similar for calculation process, repeats no more.
If the value of k3 is minimum in k1~k4, using k3 as standard gain, the parameter of the corresponding adjustable attenuator 25 of that k3
It need not adjust, the parameter of adjustable attenuator 23 is adjusted to k1-k3, and the parameter of adjustable attenuator 24 is adjusted to k2-k3, adjustable damping
The parameter of device 26 is adjusted to k4-k3.
It, can be to each of the 2nd grade of power-devided circuit after having adjusted the parameter of each adjustable attenuator of 3rd level power-devided circuit
The parameter of adjustable attenuator is adjusted.
Step 2: calculating the first gain of each adjustable attenuator in the 2nd grade of power-devided circuit in Fig. 3, and therefrom select minimum
The first gain as standard gain, the parameter of the corresponding adjustable attenuator of standard gain need not adjust, other adjustable dampings
The parameter of device is adjusted to the difference of respective first gain and standard gain.
Such as, the parameter of adjustable attenuator 21 is calculated, it is necessary to first calculate the first gain and the mark of adjustable attenuator 21
Quasi- gain.
Specifically, being divided into 8 output signals (i.e. correspondence of signal output end 1~8 through 3 grades of power-devided circuit function in input signal
Output signal) after, the first gain of adjustable attenuator 21 is higher level's power-devided circuit of signal output end 1 and adjustable attenuator 21
Power splitter 11 output end 1 between gain inequality, be denoted as k5；First gain of adjustable attenuator 22 is signal output end 5~8
Any of gain inequality between the output end 2 of the power splitter 11 of higher level's power-devided circuit of adjustable attenuator 22, be denoted as k6.
If the value of k6 is minimum in k5~k6, using k6 as the standard gain of the 2nd grade of power-devided circuit, that k6 is corresponding adjustable
The parameter of attenuator 22 need not adjust, and the parameter of adjustable attenuator 21 is adjusted to k5-k6.
So far, the parameter of the adjustable attenuator of 3 grades of power-devided circuits shown in Fig. 3, which just adjusts, finishes, so that signal exports
The noise coefficient of the signal of either end output is equal in end 1~8.
Optionally, in intelligence separating device 10 further include: gone here and there between power splitter and corresponding adjacent adjustable attenuator 1022
The power amplifier 1023 connect, the signal exported for amplifying adjacent power splitter 1021, and amplified signal is passed into phase
Adjacent adjustable attenuator 1022.
For example, the adjustable attenuator 1022 by taking Fig. 4 as an example, in signal output end 1 or the corresponding branch of signal output end 2
The adjustable attenuator 1022 of the top Fig. 4 (be located at) with concatenate a power between the power splitter 1021 in the 1st grade of power-devided circuit
Amplifier 1023 allows power amplifier 1023 by the corresponding output end of power splitter 1021 in the 1st grade of power-devided circuit
Signal passes to adjustable attenuator 1022 adjacent thereto again and (is located at the adjustable attenuator on the top Fig. 4 after amplifying
1022)；Likewise, the adjustable attenuator 1022 in signal output end 3 or the corresponding branch of signal output end 4 is (under being located at Fig. 4
The adjustable attenuator 1022 in portion) with also concatenated a power amplifier between the power splitter 1021 in the 1st grade of power-devided circuit
1023, phase is passed to after amplifying to the signal of the another output output of the power splitter 1021 in the 1st grade of power-devided circuit
Adjacent adjustable attenuator 1022 (adjustable attenuator 1022 for being located at the lower part Fig. 4).
It should be noted that power amplifier 1023 can be arranged according to input signal by the signal strength or weakness after function point,
Even signal strength can be not provided with power amplifier 1023 enough after function point；It needs to be arranged if signal strength is weaker after function point
Power amplifier 1023.
The total power splitter of above-described embodiment can be appointing in two points of power splitters, three points of power splitters, four points of power splitters
It is a kind of.
Based on the same inventive concept, it is provided in one embodiment of the invention a kind of for adjusting the noise coefficient of radio frequency link
Method refers to Fig. 5, this method comprises:
Step 501: acquiring the yield value of each power splitter output end in the intelligence separating device；Wherein, the intelligence separating device
For with signal input part all the way and MNThe N grade power-devided circuit of road signal output end, and it is arranged to symmetrical structure, N is integer,
M is that the signal of each power splitter in the N grades of power-devided circuit exports the yield value that number acquires each power splitter output end；
Step 502: the yield value based on each power splitter output end, to since the N grades of power-devided circuits
The direction of level-one power-devided circuit is step by step adjusted the parameter of each adjustable attenuator in the intelligence separating device, until adjusting
Adjustable attenuator between the whole complete first order power-devided circuit and second level power-devided circuit, makes each signal of the intelligence separating device
The noise coefficient of output end is all equal.
Wherein, the parameter of each adjustable attenuator in intelligence separating device is adjusted step by step, first basis can works as prime
The yield value of output end corresponding with former and later two power splitters of each adjustable attenuator electrical connection, calculates current in power-devided circuit
The gain inequality of each adjustable attenuator in grade power-devided circuit；Then, from the increasing for working as all adjustable attenuators in prime power-devided circuit
In beneficial difference, it is poor to filter out least gain；And it will be when the gain inequality of each adjustable attenuator and the minimum in prime power-devided circuit
Gain inequality carries out difference operation, obtains the adjusting parameter when each adjustable attenuator in prime power-devided circuit；Finally press adjusting parameter
It is adjusted to each adjustable attenuator in prime power-devided circuit is worked as.If adjustable attenuator to be adjusted is corresponding for least gain difference
Adjustable attenuator, then the parameter of adjustable attenuator to be adjusted is not adjusted.
For example, first acquiring the yield value of each output end of 11~power splitter of power splitter 17, such as power splitter by taking Fig. 3 as an example
The yield value of 11 output end 1 is denoted as G111, power splitter 11 the yield value of output end 2 be denoted as G112, the output of other power splitters
The yield value at end and so on.
Then, to the direction of the 1st grade of power-devided circuit, step-by-step calculation since the adjustable attenuator in 3rd level power-devided circuit
First gain of each adjustable attenuator, using the first gain the smallest in every grade of power-devided circuit as the standard of this grade of power-devided circuit
Gain is adjusted the parameter of other adjustable attenuators in addition to the corresponding adjustable attenuator of standard gain, other adjustable dampings
The parameter of device is the first gain of corresponding adjustable attenuator and the difference of standard gain.Such as, adjustable attenuator in 3rd level power-devided circuit
23 the first gain is k1=G141-G121, the first gain of adjustable attenuator 24 is k2=G151-G122, adjustable attenuator
25, the first gain of adjustable attenuator 26 is denoted as k3, k4 respectively, and calculation is similar with k1, k2's, repeats no more.If k1~
The value of k2 is minimum in k4, then using k2 as standard gain, the parameter of adjustable attenuator 24 corresponding with k2 need not be adjusted accordingly,
The parameter of adjustable attenuator 23 is adjusted to k1-k2, the parameter of adjustable attenuator 25 is adjusted to the ginseng of k3-k2, adjustable attenuator 26
Number is adjusted to k4-k2.Wherein, due to G141With G142Value it is equal, so G141Also it can be replaced G142, other similar.
The adjustable attenuator being adjusted in 3rd level power-devided circuit parameter and then in the 2nd grade of power-devided circuit can
The parameter of controlled attenuator is adjusted.Specifically, the first gain k5=G14 of adjustable damping 21 before this1-G111, adjustable attenuator
22 the first gain is k6=G161-G112.If k5 ratio k6 is small, k5 is the standard gain in the 2nd grade of power-devided circuit, accordingly
The parameter of adjustable attenuator 21 corresponding with k5 need not adjust, and the parameter of adjustable attenuator 22 is adjusted to k6-k5.Extremely
This, the parameter of the adjustable attenuator in 3 grades of power-devided circuits in Fig. 3, which just adjusts, to be finished, and the noise system of each signal output end is made
Number is all identical.
Further, power splitter in the above method, can be in two points of power splitters, three points of power splitters, four points of power splitters
It is any.
In embodiment provided by the invention, by that will have a signal input part and MNThe intelligence of a signal output end point
Device is set as the N grade power-devided circuit of symmetrical structure, for input signal to be assigned as the identical M of noise coefficientNRoad output letter
Number, wherein N is positive integer, and M is that the signal of each power splitter in the N grades of power-devided circuit exports number, is made every in intelligence separating device
The noise coefficient of branch is all equal, to can ensure that the gain reduction of every branch is almost the same, realizing reduces intelligence separating device
The technical effect that overall bottom is made an uproar.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as the production of method, system or computer program
Product.Therefore, in terms of the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and hardware
Embodiment form.Moreover, it wherein includes computer available programs generation that the embodiment of the present invention, which can be used in one or more,
The meter implemented in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of code
The form of calculation machine program product.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, equipment (system) and computer program product
Flowchart and/or the block diagram describe.It should be understood that can be realized by computer program instructions in flowchart and/or the block diagram
The combination of process and/or box in each flow and/or block and flowchart and/or the block diagram.It can provide these calculating
Processing of the machine program instruction to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices
Device is to generate a machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute
For realizing the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram
Device.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of intelligence separating device characterized by comprising
One signal input part is used for input signal；
It is set as the N grade power-devided circuit of symmetrical structure, for the input signal to be assigned as the identical M of noise coefficientNRoad output
Signal；Wherein, N is positive integer, and M is that the signal of each power splitter in the N grades of power-devided circuit exports number；
MNA signal output end, each signal output end export output signal all the way.
2. intelligence separating device as described in claim 1, which is characterized in that the N grades of power-devided circuit, comprising:
I-stage power-devided circuit has Mi-1A power splitter；Wherein, i is the positive integer no more than N；
Between i-stage power-devided circuit and i+1 grade power-devided circuit, one is connected between the two neighboring power splitter that is arbitrarily electrically connected
A adjustable attenuator；Each adjustable attenuator, for adjusting the parameter of corresponding adjustable attenuator according to preset rules, so that often
The noise coefficient of a signal output end is all equal.
3. intelligence separating device as claimed in claim 2, which is characterized in that the preset rules specifically:
The parameter of each adjustable attenuator is the difference of the first gain and standard gain；Wherein, first gain is described
Gain inequality of the input signal between the output end of power splitter for passing through corresponding signal output end and higher level's power-devided circuit, it is described
Standard gain is the smallest value of gain inequality with adjustable attenuator in the power-devided circuit of each adjustable attenuator peer.
4. the intelligence separating device as described in any claim of claim 1-3, which is characterized in that the intelligence separating device further includes in function point
The power amplifier concatenated between device and corresponding adjacent adjustable attenuator, for amplifying the signal of adjacent power splitter output,
And amplified signal is passed to adjacent adjustable attenuator.
5. intelligence separating device as claimed in claim 4, which is characterized in that the power splitter is two points of power splitters, three points of power splitters
Or four points of power splitters.
6. a kind of method for the noise coefficient for adjusting radio frequency link, is applied in intelligence separating device characterized by comprising
Acquire the yield value of each power splitter output end in the intelligence separating device；Wherein, the intelligence packing is set to have believes all the way
Number input terminal and MNThe N grade power-devided circuit of road signal output end, and it is arranged to symmetrical structure, N is integer, and M is the N grades of function
The signal of each power splitter exports number in parallel circuit；
Based on the yield value of each power splitter output end, to first order power-devided circuit since the N grades of power-devided circuits
Direction, the parameter of each adjustable attenuator in the intelligence separating device is adjusted step by step, until having adjusted described first
Adjustable attenuator between grade power-devided circuit and second level power-devided circuit, makes the noise of each signal output end of the intelligence separating device
Coefficient is all equal.
7. method as claimed in claim 6, which is characterized in that step by step to each adjustable attenuator in the intelligence separating device
Parameter is adjusted, comprising:
According to when the front and back two being electrically connected in prime power-devided circuit with each adjustable attenuator when in prime power-devided circuit
The yield value of the corresponding output end of a power splitter calculates the gain inequality when each adjustable attenuator in prime power-devided circuit；
From the gain inequality of all adjustable attenuators in the prime power-devided circuit, it is poor to filter out least gain；
By described when the gain inequality of each adjustable attenuator in prime power-devided circuit and least gain difference progress difference operation, obtain
Obtain the adjusting parameter when each adjustable attenuator in prime power-devided circuit；
By described when the adjusting parameter of each adjustable attenuator in prime power-devided circuit adjusts corresponding adjustable attenuator.
8. the method for claim 7, which is characterized in that by described when each adjustable attenuator in prime power-devided circuit
Adjusting parameter adjusts before corresponding adjustable attenuator, further includes:
If adjustable attenuator to be adjusted is the corresponding adjustable attenuator of least gain difference, not to it is described it is to be adjusted can
The parameter of controlled attenuator is adjusted.
9. method according to claim 8, which is characterized in that the power splitter, comprising:
Any one of two points of power splitters, three points of power splitters, four points of power splitters.
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| CN109286422B (en) | 2022-05-20 |
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