CN103701535A - Method and device for adjusting intelligent antenna calibration plate - Google Patents
Method and device for adjusting intelligent antenna calibration plate Download PDFInfo
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- CN103701535A CN103701535A CN201310680395.XA CN201310680395A CN103701535A CN 103701535 A CN103701535 A CN 103701535A CN 201310680395 A CN201310680395 A CN 201310680395A CN 103701535 A CN103701535 A CN 103701535A
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- intelligent antenna
- calibration plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/267—Phased-array testing or checking devices
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Abstract
The invention relates to a method and a device for adjusting an intelligent antenna calibrating plate. The device is provided with the intelligent antenna calibrating plate, one or more plastic thin film(s) and a configuration device, wherein the plastic thin film(s) cover(s) the intelligent antenna calibrating plate and is or are used for adjusting a power amplitude value and a phase position value of the intelligent antenna calibrating plate; the configuration device is used for adjusting the intelligent antenna calibrating plate and comprises a net division meter and a quantized adjusting judging device, the quantized adjusting judging device is used for judging a phase position difference value and a power amplitude difference value between antenna ports of the intelligent antenna calibrating plate according to a signal of the net division meter, determining the power amplitude value needing to be adjusted and the phase position value needing to be adjusted according to the judged difference values and the product standard of the intelligent antenna calibrating plate and determining the position and the number of the plastic thin film(s) covering the intelligent antenna calibrating plate according to the values needing to be adjusted, and the quantized adjusting judging device also comprises a visual user interface capable of displaying a schematic diagram of the intelligent antenna calibrating plate and the position and the number of the plastic thin film(s) covering the intelligent antenna calibrating plate. Therefore, the quantized adjusting on the power amplitude value and the phase position value of the intelligent antenna calibrating plate can be realized.
Description
Technical field
The present invention relates generally to moving communicating field, relate in particular to a kind of method and device that regulates smart antenna array calibration plate.
Background technology
The concept of smart antenna is that the needs for mobile communication technology put forward in late 1980s, can improve Channel utilization, the base station area coverage of mobile communication system, and overcome the day by day serious interference problems such as common channel, multipath fading.
When using smart antenna, must there is the technology that smart antenna array is calibrated.While using smart antenna in TDD system, be according to the principle of reciprocity in Theory of Electromagnetic Field, directly utilize uplink beam moulding coefficient to carry out downlink wave beam moulding.But to actual wireless base station, the transceiver of each path can not be all identical, and the factors vary such as its performance will be in time, operation level and environmental condition.If do not calibrated, downlink wave beam moulding will be had a strong impact on.Not only can not get the advantage of smart antenna, also likely cause can not communicating by letter completely.Therefore, the calibration of smart antenna array is a core technology in smart antenna.
Wave beam forming is a kind of signal processing technology based on aerial array, has the wave beam of directive property, thereby can obtain obvious array gain by adjusting the weight coefficient generation of each array element in aerial array.But this technology is very responsive to the error of phase place and amplitude, therefore, conventionally with intelligent antenna calibration plate, carry out calibration operation antenna.So self error of intelligent antenna calibration plate must be controlled in certain scope.
According to traditional method, the adjusting of power magnitude can realize by add welding or glue on coupler.But welding is influential to passive inter-modulation performance, add the amount that glue is very difficult to control add glue.The adjusting of phase place normally realizes by cutting and weld the blind siding of printed circuit board microstrip line, and same, this method also has impact for passive inter-modulation performance.In addition, regulate the antenna of multipath and check that adjusting result can spend the suitable time.Especially in the situation that excessively regulating or needing repeated multiple times adjusting, the time of cost is more considerable.
Summary of the invention
The method disclosed in the present has solved loaded down with trivial details, the time-consuming problem of adjusting intelligent antenna calibration plate.
According to a first aspect of the invention, provide a kind of device that regulates intelligent antenna calibration plate, it comprises intelligent antenna calibration plate, is wherein provided with calibration mouthful, antenna port, and microstrip coupler, micro-band branch road and merit are divided plate branch road; And one or more plastic film, described plastic film covers on described intelligent antenna calibration plate to regulate described intelligent antenna calibration plate.
In one embodiment, described plastic film covers on the described microstrip coupler of described intelligent antenna calibration plate with regulating power range value quantitatively.
In one embodiment, described plastic film covers described micro-band branch road of described intelligent antenna calibration plate and/or merit and divides on plate branch road with control phase value quantitatively.
In one embodiment, described plastic film has stable dielectric constant; The size of described plastic film and thickness and the described power magnitude value and the described phase value that on fixed position, regulate are proportional.
In one embodiment, described plastic film riveted joint or glue are connected on described intelligent antenna calibration plate.
In one embodiment, described in, be covered in every block of described plastic film on described intelligent antenna calibration plate corresponding to described power magnitude value or the described phase value that can quantize.
According to a second aspect of the invention, provide a kind of inking device that regulates intelligent antenna calibration plate, it comprises net minute instrument, and it is for measuring power magnitude and the phase value of the antenna port of intelligent antenna calibration plate; And quantize regulating determinant, it is for judging power magnitude difference and the phase difference value between described antenna port according to coming from the signal that described net divides instrument; It is also for determining the phase value that needs the power magnitude value regulating and need to regulate according to the product standard of judged described power magnitude difference and described phase difference value and intelligent antenna calibration plate; It is also for determining according to the described power magnitude value and the described phase value regulating that needs that regulate of needing position and the quantity that covers the described plastic film on described intelligent antenna calibration plate.
In one embodiment, described quantification regulates determinant also to comprise to show described intelligent antenna calibration plate schematic diagram and cover the position of described plastic film and the visible user interface of quantity on described intelligent antenna calibration plate.
In one embodiment, described net divides instrument to be used for providing test signal to the described antenna port of described intelligent antenna calibration plate; Also for receive come from described intelligent antenna calibration plate for judging the signal of described power magnitude value between the described antenna port of described intelligent antenna calibration plate or described phase value.
According to a third aspect of the present invention, a kind of method that regulates intelligent antenna calibration plate in inking device regulating intelligent antenna calibration plate is provided, and it comprises according to the signal that comes from net minute instrument judges power magnitude difference and the phase difference value between the antenna port of intelligent antenna calibration plate; According to the product standard of judged described power magnitude difference and described phase difference value and intelligent antenna calibration plate, determine the phase value that needs the power magnitude value regulating and need to regulate; And determine according to the described phase value that needs regulating power range value and described needs to regulate position and the quantity that covers the described plastic film on described intelligent antenna calibration plate.
In one embodiment, the described plastic film that according to the described phase value that needs regulating power range value and described needs to regulate, one or more is had to stable dielectric constant covers described microstrip coupler and/or micro-band branch road and/or merit and divides on plate branch road to regulate described phase place and/or to regulate described power magnitude.
In one embodiment, described in, be covered in every block of described plastic film on intelligent antenna calibration plate corresponding to a described power magnitude that can quantize or described phase place.
Utilize the solution of the present invention, can regulate quantitatively power magnitude and phase place between the antenna port of intelligent antenna calibration plate more fastly, also can obtain better passive inter-modulation performance simultaneously.
Accompanying drawing explanation
After description with reference to the given the specific embodiment of the present invention of following accompanying drawing, will understand better the present invention, and other objects of the present invention, details, feature and advantage will become more apparent.
Accompanying drawing 1 shows the schematic diagram of the printed circuit of intelligent antenna calibration plate.
Accompanying drawing 2 shows the schematic diagram of the inking device that regulates intelligent antenna calibration plate.
Accompanying drawing 3 shows the flow chart that quantizes to regulate intelligent antenna calibration plate.
Accompanying drawing 4 shows the schematic diagram of intelligent antenna calibration power output plate amplitude adjusted.
Accompanying drawing 5 shows the phase-adjusted schematic diagram of intelligent antenna calibration plate.
Accompanying drawing 6 shows the schematic diagram of smart antenna phase place and power magnitude adjusting.
Wherein, same or analogous Reference numeral represents same or analogous steps characteristic/device (module).
Embodiment
In the specific descriptions of following preferred embodiment, with reference to the appended accompanying drawing that forms a part of the present invention.Appended accompanying drawing shows by way of example can realize specific embodiment of the present invention.The embodiment of example is not intended to limit according to all embodiment of the present invention.It should be noted that, although described the step of method in the present invention with particular order in accompanying drawing, but this not requires or hint must be carried out these operations according to this particular order, or the operation shown in must carrying out all could realize the result of expectation, on the contrary, step described herein can change execution sequence.Additionally or alternatively, can omit some step, a plurality of steps be merged into a step and carry out, and/or a step be decomposed to a plurality of steps of dimension and carry out.
Accompanying drawing 1 shows the schematic diagram of the printed circuit of an intelligent antenna calibration plate.Accompanying drawing 1 has comprised a calibration mouth and 8 antenna ports.Wherein, the antenna port on each road is couple to corresponding antenna array by microstrip line, and in its path, is provided with a microstrip coupler, and the signal being coupled is blended into calibration mouthful by power splitter.
Accompanying drawing 2 shows the schematic diagram of the inking device 200 that quantizes adjusting intelligent antenna calibration plate.As shown in Figure 2, net minute instrument 210 is for measuring the power magnitude of antenna port of intelligent antenna calibration plate and phase place.Described net divides instrument 210 to be provided with the input port that output port that the antenna port with described intelligent antenna calibration plate couples and described intelligent antenna calibration plate calibration mouth couple; Described net divides instrument 210 to be also provided with the port that vectorization regulates determinant 220 output signals.
Quantize to regulate determinant 220 to be provided with and receive the input port that comes from the signal of netting minute instrument 210; Also comprise and can show described intelligent antenna calibration plate schematic diagram and cover the position of described plastic film and the visible user interface of quantity on described intelligent antenna calibration plate.
Accompanying drawing 3 shows the flow chart that quantizes to regulate intelligent antenna calibration plate.
In step S301, quantize to regulate determinant 220 to divide the signal of instrument 210 and the product standard of intelligent antenna calibration plate (for example China Mobile's company standard) to judge power magnitude difference and phase difference value between described antenna port according to the net that comes from receiving.
In step S302, quantize to regulate determinant 220 according to the product standard of the power magnitude difference of judging in step S301 and phase difference value and intelligent antenna calibration plate, to determine power magnitude difference and the phase difference value of required adjusting.
In step S303, the power magnitude difference that quantizes to regulate determinant 220 to regulate is as required determined position and the quantity that covers the plastic film on described intelligent antenna calibration plate.
Accompanying drawing 4 shows one according to the schematic diagram of the intelligent antenna calibration power output plate amplitude adjusted of the embodiment of the present invention.According to enterprise of existing for example China Mobile mark regulation, the power magnitude difference between antenna port should be less than 0.7dB.Rule of thumb, the amplitude peak difference of fault antenna calibration plate is approximately 0.9dB.In different positions, place the plastic film of various shapes (such as square, circle, rhombus, trapezoidal etc.), can regulate the power magnitude difference between the antenna port of intelligent antenna calibration plate.Described plastic film must have stable dielectric constant.As shown in Figure 4, as an embodiment, when plastic film is of a size of 8mm (length) x3mmx (width) 0.6mm (thickness), for example position A and position B that described plastic film is placed on as shown in Figure 4 can be so that power magnitude value increase respectively 0.2dB and 0.4dB.The size of plastic film is not limited only to the size in above-described embodiment, and it can be the size that meets arbitrarily the requirement of intelligent antenna calibration plate.Position A and position B be the position of microstrip coupler normally, can be also that any other on described intelligent antenna calibration plate is suitable for the position of regulating power amplitude.Therefore as required one or more plastic film with stable dielectric constant being placed on to different positions can realize the power magnitude value regulating quantitatively between each antenna port.Particularly, table 1 has provided plastic film has been placed on to position A as shown in Figure 4 or the power magnitude regulated value of position B, just can take the regulated value 0.2dB of single piece of plastic film regulate quantitatively the power magnitude of each antenna port as stride according to table 1.Described power magnitude stride can be according to the size of plastic film, thickness, and the tolerance requirement of dielectric constant or calibration plate etc. arranges and determines.
| Regulated value | Position |
| 0.2dB | Position A |
| 0.4dB | Position B |
| 0.6dB | A+ position, position B |
The power magnitude regulated value of table 1 diverse location
In step S304, the phase difference value that quantizes to regulate determinant 220 to regulate is as required determined position and the quantity that covers the plastic film on intelligent antenna calibration plate.
Accompanying drawing 5 shows the phase-adjusted schematic diagram of intelligent antenna calibration plate according to an embodiment of the invention.According to enterprise of existing for example China Mobile mark regulation, the phase difference between two antenna ports should be less than 5 °.Rule of thumb, the maximum difference between the antenna port of fault antenna calibration plate is approximately 8 ° (the phase place tolerance of cable is ± 2 °, and the phase place tolerance of printed circuit board (PCB) is ± 2 °).The plastic film of placing various shapes (such as square, circle, rhombus, trapezoidal etc.) in different positions, can regulate the phase difference value between antenna port.Described plastic film has stable dielectric constant.As shown in Figure 5, as an embodiment, when plastic film is of a size of 8mm (length) x3mmx (width) 0.6mm (thickness), the position A that plastic film is placed on to Fig. 5 can regulate the phase value of the antenna port of the left and right sides.The size of plastic film is not limited only to the size in above-described embodiment, and it can be the size that meets arbitrarily the requirement of intelligent antenna calibration plate.The position B that plastic film is placed on to Fig. 5 can regulate the phase value of the antenna port in left side as shown in Figure 5.Therefore as required one or more plastic film with certain size and stable dielectric constant being placed on to different positions can realize the phase value regulating quantitatively between each antenna port.Particularly, table 2 has provided one or more plastic film has been placed on to for example position A as shown in Figure 5 and the phase adjusted value of position B.Position A shown in Fig. 5, B is respectively the micro-band branch road on smart antenna plate conventionally, the position of power splitter branch road (for example power splitter the second branch road) can be also that any other on described intelligent antenna calibration plate is suitable for the position of control phase.For example, two blocks of plastic films are placed on to the left side of position B as shown in Figure 5, the phase value of the antenna port in left side can regulate 2 °.A plastic film is placed on to position A as shown in Figure 5, can be by 1 ° of each self-regulation of the phase value of the antenna port on the left side as in Fig. 5 and right side.According to table 2, just can take 1 ° of the phase adjusted value of single piece of plastic film and regulate quantitatively the phase value of each antenna port as stride.Described phase step can be according to the size of plastic film, thickness, and the tolerance requirement of dielectric constant or calibration plate etc. arranges and determines.
| Left side port regulated value | Right side port regulated value | Quantity | Position |
| 1° | 0 | 1 | Position B (left side) |
| 2° | 0 | 2 | Position B (left side) |
| 3° | 0 | 3 | Position B (left side) |
| 0 | 1° | 1 | Position B (right side) |
| 0 | 2° | 2 | Position B (right side) |
| 0 | 3° | 3 | Position B (right side) |
| 1° | 1° | 1 | Position A |
The phase adjusted value of table 2 diverse location and different plastic film quantity
According to the power magnitude of the listed plastic film of for example table 1 and table 2 and phase adjusted value and the more existing regulation to intelligent antenna calibration panel products, quantize to regulate determinant 220 can judge the plastic film of adding small number where.Meanwhile, quantize to regulate determinant 220 can also have a visual interface to show the schematic diagram of intelligent antenna calibration plate printed circuit, the position of covered with plastic film and quantity etc.Like this, user is as long as the information that basis visualization interface as shown in Figure 6 shows just can cover in the relevant position of smart antenna calibration plate the plastic film of respective numbers, and then realization quantizes the power magnitude value of each antenna port of adjusting and the function of phase value.
In this article, with reference to accompanying drawing, method disclosed herein is described.Yet be to be understood that, shown in accompanying drawing and specification described in step order be only schematic, without departing from the scope of the claims, these method steps and/or action can according to different order carry out and be not limited to shown in accompanying drawing and specification described in concrete order.
Above description for making any those of ordinary skill of this area can realize or use the present invention of the present disclosure.To those skilled in the art, various modifications of the present disclosure are all apparent, and general principle defined herein also can be applied to other distortion in the situation that not departing from spirit of the present invention and protection range.Therefore, the present invention is not limited to example as herein described and design, but consistent with the widest scope of principle disclosed herein and novel features.
Claims (12)
1. a device that regulates intelligent antenna calibration plate, comprising:
Intelligent antenna calibration plate, is wherein provided with calibration mouthful, antenna port, and microstrip coupler, micro-band branch road and merit are divided plate branch road; And
One or more plastic film, described plastic film covers on described intelligent antenna calibration plate to regulate described intelligent antenna calibration plate.
2. device as claimed in claim 1, is characterized in that, described plastic film covers on the described microstrip coupler of described intelligent antenna calibration plate with regulating power range value quantitatively.
3. device as claimed in claim 1, is characterized in that, described plastic film covers described micro-band branch road of described intelligent antenna calibration plate and/or merit and divides on plate branch road with control phase value quantitatively.
4. device as claimed in claim 1, is characterized in that, described plastic film has stable dielectric constant; The size of described plastic film and thickness and the described power magnitude value and the described phase value that on fixed position, regulate are proportional.
5. device as claimed in claim 1, is characterized in that, described plastic film riveted joint or glue are connected on described intelligent antenna calibration plate.
6. device as claimed in claim 1, is characterized in that, described in be covered in every block of described plastic film on described intelligent antenna calibration plate corresponding to described power magnitude value or the described phase value that can quantize.
7. an inking device that regulates intelligent antenna calibration plate, it comprises:
Net minute instrument, it is for measuring power magnitude value and the phase value of the antenna port of intelligent antenna calibration plate; And
Quantize to regulate determinant, it is for judging power magnitude difference and the phase difference value between described antenna port according to coming from the signal that described net divides instrument; It is also for determining the phase value that needs the power magnitude value regulating and need to regulate according to the product standard of judged described power magnitude difference and described phase difference value and intelligent antenna calibration plate; It is also for determining according to the described power magnitude value and the described phase value regulating that needs that regulate of needing position and the quantity that covers the described plastic film on described intelligent antenna calibration plate.
8. inking device as claimed in claim 7, it is characterized in that, described quantification adjusting determinant also comprises and can show described intelligent antenna calibration plate schematic diagram and cover the position of described plastic film and the visible user interface of quantity on described intelligent antenna calibration plate.
9. inking device as claimed in claim 7, is characterized in that, described net divides instrument to be used for providing test signal to the described antenna port of described intelligent antenna calibration plate; Also for receive come from described intelligent antenna calibration plate for judging the signal of described power magnitude value between the described antenna port of described intelligent antenna calibration plate or described phase value.
10. in the inking device that regulates intelligent antenna calibration plate, regulate a method for intelligent antenna calibration plate, comprising:
According to the signal that comes from net minute instrument, judge power magnitude difference and phase difference value between the antenna port of intelligent antenna calibration plate;
According to the product standard of judged described power magnitude difference and described phase difference value and intelligent antenna calibration plate, determine the phase value that needs the power magnitude value regulating and need to regulate; And
According to the described power magnitude value and the described phase value regulating that needs that regulate of needing, determine position and the quantity that covers the described plastic film on described intelligent antenna calibration plate.
11. methods as claimed in claim 10, is characterized in that, also comprise:
The described plastic film that the power magnitude value regulating according to described needs and the described phase value that need to regulate have stable dielectric constant by one or more covers described microstrip coupler and/or micro-band branch road and/or merit and divides on plate branch road to regulate described phase value and/or to regulate described power magnitude value.
12. methods as claimed in claim 10, is characterized in that, described in be covered in every block of described plastic film on intelligent antenna calibration plate corresponding to described power magnitude value or a described phase value that can quantize.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310680395.XA CN103701535B (en) | 2013-12-12 | 2013-12-12 | Adjust the method and device of intelligent antenna calibration plate |
| PCT/CN2014/092266 WO2015085866A1 (en) | 2013-12-12 | 2014-11-26 | Method and apparatus for adjusting smart antenna calibration plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310680395.XA CN103701535B (en) | 2013-12-12 | 2013-12-12 | Adjust the method and device of intelligent antenna calibration plate |
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| CN103701535A true CN103701535A (en) | 2014-04-02 |
| CN103701535B CN103701535B (en) | 2019-02-01 |
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| WO (1) | WO2015085866A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104051848A (en) * | 2014-07-03 | 2014-09-17 | 广东健博通科技股份有限公司 | Intelligent vertical scanning antenna |
| WO2015085866A1 (en) * | 2013-12-12 | 2015-06-18 | 上海贝尔股份有限公司 | Method and apparatus for adjusting smart antenna calibration plate |
| EP3224644A4 (en) * | 2014-11-12 | 2018-11-07 | Emscan Corporation | Reactive near-field antenna measurement |
| CN111289808A (en) * | 2020-02-25 | 2020-06-16 | 广州兴森快捷电路科技有限公司 | Method for dynamically monitoring amplitude and phase deviation |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107959533B (en) * | 2016-10-17 | 2020-11-06 | 华为技术有限公司 | Wireless device and radio frequency channel calibration method |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2015085866A1 (en) | 2015-06-18 |
| CN103701535B (en) | 2019-02-01 |
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