CN103701535B - Adjust the method and device of intelligent antenna calibration plate - Google Patents
Adjust the method and device of intelligent antenna calibration plate Download PDFInfo
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- CN103701535B CN103701535B CN201310680395.XA CN201310680395A CN103701535B CN 103701535 B CN103701535 B CN 103701535B CN 201310680395 A CN201310680395 A CN 201310680395A CN 103701535 B CN103701535 B CN 103701535B
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- calibration plate
- antenna calibration
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- intelligent antenna
- plastic film
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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 present invention relates to a kind of method and devices for adjusting intelligent antenna calibration plate, are provided with intelligent antenna calibration plate；One or more be covered on it to adjust the plastic film of its power amplitude value and phase value.It is additionally provided with the configuration device for adjusting intelligent antenna calibration plate, including net divides instrument and quantization to adjust judging device.Quantization adjusts judging device according to the difference of the phase difference value and power magnitude divided between antenna port of the signal of instrument to determine intelligent antenna calibration plate from net；The phase value for needing the power amplitude value adjusted and needs to adjust is determined according to the product standard of the difference and intelligent antenna calibration plate that are determined；The value adjusted as needed determines the position for covering the plastic film and quantity；It further includes the position that can show the intelligent antenna calibration plate schematic diagram and the plastic film being covered on it and the visible user interface of quantity that quantization, which adjusts judging device,.The power amplitude value of intelligent antenna calibration plate and the quantization of phase value are adjusted in this way, realizing.
Description
Technical field
The present invention relates generally to mobile communication field more particularly to a kind of methods and dress for adjusting smart antenna array calibration plate
It sets.
Background technique
The concept of smart antenna is to put forward in late 1980s for the needs of mobile communication technology, Ke Yiti
The Channel utilization of high mobile communication system, base station area coverage, and the interference for overcoming total channel, multipath fading etc. and getting worse
Problem.
When using smart antenna, it is necessary to have the technology calibrated to smart antenna array.Intelligence is used in a tdd system
Can antenna when be according to the principle of reciprocity in Theory of Electromagnetic Field, directly carried out using uplink beam forming coefficients downlink wave beam at
Type.But to actual wireless base station, the transceiver of each access can not be all identical, moreover, its performance will be with
The variation of the factors such as time, operation level and environmental condition.If downlink wave beam molding will be by serious shadow without calibration
It rings.It not only cannot get the advantage of smart antenna, it is also possible to cause to communicate 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, by adjusting each array element in aerial array
Weighting coefficient generate have directive property wave beam, so as to obtain apparent array gain.But this technology is to phase
It is very sensitive with the error of amplitude, thus it is common to use intelligent antenna calibration plate carrys out calibration antenna.So smart antenna
The error of itself of calibration plate must control within the scope of certain.
According to the traditional method, the adjusting of power magnitude can be connect or glue is realized by being welded on coupler.But
Welding is influential on passive inter-modulation performance, and glue is added then to be very difficult to control the amount of added glue.The adjusting of phase is usually logical
The blind siding of cutting and welding printed circuit board microstrip line is crossed to realize, equally, this method also can for passive inter-modulation performance
Have an impact.In addition, adjusting the antenna of multipath and checking that adjusted result can spend the comparable time.Especially adjust excessive or
In the case where needing to be adjusted several times repeatedly, the time of cost is more considerable.
Summary of the invention
The method disclosed in the present, which solves, adjusts cumbersome, the time-consuming problem of intelligent antenna calibration plate.
According to the first aspect of the invention, a kind of device for adjusting intelligent antenna calibration plate is provided comprising intelligence
Antenna calibration plate is provided with calibration mouth, antenna port, microstrip coupler, micro-strip branch and function scoreboard branch；And one
Block or muti-piece plastic film, the plastic film are covered in the intelligent antenna calibration plate to adjust the intelligent antenna calibration
Plate.
In one embodiment, the plastic film is covered on the microstrip coupler of the intelligent antenna calibration plate
With quantitatively regulation power range value.
In one embodiment, the plastic film be covered on the intelligent antenna calibration plate the micro-strip branch and/
Or function scoreboard branch road is quantitatively to adjust phase value.
In one embodiment, the plastic film has stable dielectric constant；The size and thickness of the plastic film
It spends and proportional in the power amplitude value of fixed position up-regulation section and the phase value.
In one embodiment, the plastic film riveting or glue connection are in the intelligent antenna calibration plate.
In one embodiment, every block of plastic film being covered in the intelligent antenna calibration plate corresponds to
The power amplitude value that can quantify or the phase value.
According to the second aspect of the invention, a kind of configuration device for adjusting intelligent antenna calibration plate is provided comprising
Net divides instrument, is used to measure the power magnitude and phase value of the antenna port of intelligent antenna calibration plate；And quantization adjusts and determines
Device is used to determine power magnitude difference and the phase between the antenna port according to the signal of instrument is divided from the net
Difference；It is also used to the product according to the power magnitude difference and the phase difference value and intelligent antenna calibration plate that are determined
Standard determines the power amplitude value that needs are adjusted and the phase value that needs are adjusted；It is also used to according to the function for needing to adjust
Rate range value and described the phase value that adjusts is needed to determine the plastic film being covered in the intelligent antenna calibration plate
Position and quantity.
In one embodiment, it further includes that can show the intelligent antenna calibration plate schematic diagram that the quantization, which adjusts judging device,
And it is covered on the position of the plastic film in the intelligent antenna calibration plate and the visible user interface of quantity.
In one embodiment, the net divides instrument for providing survey to the antenna port of the intelligent antenna calibration plate
Trial signal；It is also used to receive from the intelligent antenna calibration plate for judging the day of the intelligent antenna calibration plate
The signal of the power amplitude value or the phase value between line end mouth.
According to the third aspect of the present invention, provide it is a kind of adjust intelligent antenna calibration plate configuration device in adjust
The method of intelligent antenna calibration plate comprising determine the antenna end of intelligent antenna calibration plate according to the signal of instrument is divided from net
Power magnitude difference and phase difference value between mouthful；According to the power magnitude difference determined and the phase difference value and intelligence
Can the product standard of antenna calibration plate determine the power amplitude value that needs are adjusted and the phase value that needs are adjusted；And according to institute
The phase value for needing regulation power range value and the needs to adjust is stated to be covered in the intelligent antenna calibration plate to determine
The position of the plastic film and quantity.
In one embodiment, according to the phase value for needing regulation power range value and the needs to adjust by one piece
Or there is muti-piece the plastic film for stablizing dielectric constant to be covered on the microstrip coupler and/or micro-strip branch and/or function
Scoreboard branch road is to adjust the phase and/or adjust the power magnitude.
In one embodiment, every block be covered in intelligent antenna calibration plate the plastic film corresponds to one
The power magnitude that can quantify or the phase.
Using the solution of the present invention, can be quantitatively adjusted between the antenna port of intelligent antenna calibration plate more fastly
Power magnitude and phase, while can also obtain better passive inter-modulation performance.
Detailed description of the invention
After the description of a specific embodiment of the invention with reference to given by following drawings, it is better understood with this hair
It is bright, and other objects of the present invention, details, features and advantages will become apparent.
Attached drawing 1 shows the schematic diagram of the printed circuit of intelligent antenna calibration plate.
Attached drawing 2 shows the schematic diagram for adjusting the configuration device of intelligent antenna calibration plate.
Attached drawing 3 shows the flow chart that quantization adjusts intelligent antenna calibration plate.
Attached drawing 4 shows the schematic diagram of intelligent antenna calibration plate power magnitude adjusting.
Attached drawing 5 shows the phase-adjusted schematic diagram of intelligent antenna calibration plate.
The schematic diagram that attached drawing 6 shows smart antenna phase and power magnitude is adjusted.
Wherein, the same or similar appended drawing reference indicates the same or similar steps characteristic/device (module).
Specific embodiment
In the following detailed description of the preferred embodiment, reference is constituted to the appended attached drawing of present invention a part.Institute
Attached attached drawing, which has been illustrated by way of example, can be realized specific embodiment.Exemplary embodiment is not intended to
Exhaustive all embodiments according to the present invention.It should be noted that although being described in the present invention in attached drawing with particular order has
The step of pass method, but this does not require that or implies must execute these operations or necessary in this particular order
It executes operation shown in whole and is just able to achieve desired as a result, on the contrary, step described herein can change and execute sequence.
Additionally or alternatively, it is convenient to omit multiple steps are merged into step and executed by certain steps, and/or by a step
Decompose dimension execution of multiple steps.
Attached drawing 1 shows the schematic diagram of the printed circuit of an intelligent antenna calibration plate.Attached drawing 1 contains a calibration mouth
With 8 antenna ports.Wherein, corresponding antenna array is couple to by microstrip line per antenna port all the way, and in its access
Equipped with a microstrip coupler, the signal coupled is blended into calibration mouth by power splitter.
Attached drawing 2 shows the schematic diagram that quantization adjusts the configuration device 200 of intelligent antenna calibration plate.As shown in Fig. 2, net point
Instrument 210 is the power magnitude and phase for measuring the antenna port of intelligent antenna calibration plate.The net divides instrument 210 to be provided with
What the output port and intelligent antenna calibration plate calibration mouth coupled with the antenna port of the intelligent antenna calibration plate coupled
Input port；The net divides instrument 210 to be additionally provided with the port that vectorization adjusts 220 output signal of judging device.
Quantization adjusts judging device 220 and is provided with the input port for receiving the signal for dividing instrument 210 from net；It further include that can show
Show the position of the intelligent antenna calibration plate schematic diagram and the plastic film being covered in the intelligent antenna calibration plate
With the visible user interface of quantity.
Net divides instrument 210 to export the antenna port for testing signal to intelligent antenna calibration plate, and the test signal passes through intelligence
The coupler of antenna calibration plate is coupled to the calibration mouth output of intelligent antenna calibration plate.The output signal of intelligent antenna calibration plate is made
Divide the input signal of instrument 210 for net.Net divides instrument 210 that the power amplitude value of respective antenna port and phase value are sent to quantization tune
Save judging device 220.
Attached drawing 3 shows the flow chart that quantization adjusts intelligent antenna calibration plate.
In step S301, quantization adjusts judging device 220 according to the signal and intelligence for dividing instrument 210 from net received
The product standard (such as China Mobile's company standard) of antenna calibration plate determines the power width between the antenna port
Spend difference and phase difference value.
In step s 302, quantization adjusts judging device 220 according to the power magnitude difference and phase determined in step S301
The product standard of difference and intelligent antenna calibration plate is come the power magnitude difference and phase difference value that adjust required for determining.
In step S303, quantization adjusts the power magnitude difference that judging device 220 is adjusted as needed and is covered on to determine
The position of plastic film in the intelligent antenna calibration plate and quantity.
Attached drawing 4 shows the schematic diagram that an intelligent antenna calibration plate power magnitude according to an embodiment of the present invention is adjusted.
Mark regulation is looked forward to according to existing such as China Mobile, the power magnitude difference between antenna port should be less than 0.7dB.
Rule of thumb, the amplitude peak difference of failure antenna calibration plate is about 0.9dB.Various shape (example is placed in different positions
Such as square, circle, diamond shape, trapezoidal) plastic film, the power between the antenna port of adjustable intelligent antenna calibration plate
Magnitude Difference.The plastic film must have stable dielectric constant.As shown in Fig. 4, as one embodiment, when plastics are thin
The size of film is 8mm (length) x3mmx (width) 0.6mm (thickness), and the plastic film is placed on to such as position as shown in Figure 4
Setting A and position B can make power amplitude value increase separately 0.2dB and 0.4dB.The size of plastic film is not limited only to above-mentioned reality
The size in example is applied, can be the size for arbitrarily meeting intelligent antenna calibration plate requirement.Position A and position B is usually micro-strip
The position of coupler, any other being also possible in the intelligent antenna calibration plate are suitable for the position of regulation power amplitude
It sets.Therefore as needed will there is one or more plastic film for stablizing dielectric constant to be placed on the different position amounts of may be implemented
Change the power amplitude value between each antenna port of ground adjusting.Specifically, table 1, which gives, is placed on plastic film as shown in Figure 4
Position A or position B power magnitude regulated value, can be using the regulated value 0.2dB of single piece of plastic film as stride according to table 1
Quantitatively to adjust the power magnitude of each antenna port.The power magnitude stride can according to the size of plastic film, thickness,
Tolerances of dielectric constant or calibration plate etc. are arranged and determine.
| Regulated value | Position |
| 0.2dB | Position A |
| 0.4dB | Position B |
| 0.6dB | The position position A+ B |
The power magnitude regulated value of 1 different location of table
In step s 304, the phase difference value that quantization adjusts that judging device 220 is adjusted as needed is covered on intelligence to determine
The position of plastic film on antenna calibration plate and quantity.
Attached drawing 5 shows the phase-adjusted schematic diagram of intelligent antenna calibration plate of embodiment according to the present invention.According to existing
Some such as enterprise of China Mobile marks provide that the phase difference between two antenna ports should be less than 5 °.Rule of thumb, failure
Maximum difference between the antenna port of antenna calibration plate is about 8 °, and (phase margin of cable is ± 2 °, printed circuit board
Phase margin is ± 2 °).It is thin in the plastics that various shape (such as square, circle, diamond shape, trapezoidal etc.) is placed in different positions
Film, the phase difference value between adjustable antenna port.The plastic film has stable dielectric constant.As shown in figure 5, making
For one embodiment, when the size of plastic film is 8mm (length) x3mmx (width) 0.6mm (thickness), plastic film is placed on
The phase value of the antenna port of the adjustable left and right sides position A of Fig. 5.The size of plastic film is not limited only to above-described embodiment
In size, can be arbitrarily meet intelligent antenna calibration plate requirement size.The position B that plastic film is placed on Fig. 5 can
To adjust the phase value of the antenna port in left side as shown in Figure 5.Therefore there will be certain size as needed and stablize dielectric
One or more plastic film of constant is placed on different positions and may be implemented quantitatively to adjust the phase between each antenna port
Value.Specifically, table 2 gives the phase that one or more plastic film is placed on to such as position A and position B as shown in Figure 5
Position regulated value.Position A shown in fig. 5, B are usually the micro-strip branch on smart antenna plate, the position (example of power splitter branch respectively
Such as power splitter second branch), it is also possible to any other position for being suitable for adjusting phase in the intelligent antenna calibration plate
It sets.For example, two blocks of plastic films to be 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 be adjusted
2 ° of section.One block of plastic film is placed on to position A as shown in Figure 5, it can will be such as the antenna port of the left and right side in Fig. 5
Phase value is respectively self-regulated 1 °.It can quantitatively be adjusted so that 1 ° of phase adjusted value of single piece of plastic film is stride according to table 2
The phase value of each antenna port.The phase step can be according to the size of plastic film, thickness, dielectric constant or calibration plate
Tolerances etc. are arranged and determine.
| 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 2 different location of table and different plastic film quantity
The power magnitude and phase adjusted value of the plastic film according to listed by such as Tables 1 and 2 and existing some right
The regulation of intelligent antenna calibration plate product, quantization, which adjusts judging device 220, can be determined where adding the plastics of small number
Film.Meanwhile quantization adjusting judging device 220 can also have a visual interface to show intelligent antenna calibration plate printing electricity
The schematic diagram on road, the position of plastic covering film and quantity etc..In this way, as long as user is according to visualization interface as shown in FIG. 6
The information of display can cover the plastic film of respective numbers, and then realization amount in the corresponding position of smart antenna calibration plate
Change the function of the power amplitude value and phase value that adjust each antenna port.
Herein, method disclosed herein is described referring to attached drawing.It should be appreciated, however, that shown in the drawings
And sequence of steps described in this description is only schematical, without departing from the scope of the claims, this
A little method and steps and/or movement can execute in a different order and be not limited to institute in shown in the drawings and specification
The specific order of description.
The above description of the disclosure is for can be realized any those of ordinary skill of this field or using the present invention.It is right
For those of ordinary skill in the art, the various modifications of the disclosure be will be apparent from, and generality defined herein
Principle can also be applied to other deformations in the case where without deviating from the spirit and scope of the disclosed invention.Therefore, the present invention is simultaneously
It is not limited to example and design as described herein, but it is consistent with the widest scope of principle disclosed herein and novel features.
Claims (10)
1. a kind of device for adjusting intelligent antenna calibration plate, comprising:
Intelligent antenna calibration plate is provided with calibration mouth, antenna port, microstrip coupler, micro-strip branch and function scoreboard branch
Road；And
One or more plastic film, the plastic film are covered in the intelligent antenna calibration plate to adjust the intelligent day
The power amplitude value and phase value of line calibration plate；
Wherein, the plastic film is covered on the micro-strip branch and/or the function scoreboard branch road of the intelligent antenna calibration plate
Quantitatively to adjust phase value；
The plastic film is covered on the microstrip coupler of the intelligent antenna calibration plate with quantitatively regulation power width
Angle value；
The phase value that the power amplitude value and needs adjusted as needed is adjusted is covered on the intelligent day to determine
The position of plastic film on line calibration plate and quantity.
2. device as described in claim 1, which is characterized in that the plastic film has stable dielectric constant, the modeling
The size and thickness of material film and the power amplitude value for raising section in fixed position are proportional, described to be covered on the intelligence
Every block of plastic film on antenna calibration plate corresponds to the power amplitude value of quantization.
3. device as described in claim 1, which is characterized in that the plastic film riveting or glue connection are in the smart antenna school
On quasi- plate.
4. device as described in claim 1, which is characterized in that the plastic film has stable dielectric constant, the modeling
The size and thickness of material film and the phase value for raising section in fixed position are proportional, described to be covered on the smart antenna
Every block of plastic film on calibration plate corresponds to the phase value of quantization.
5. a kind of configuration device for adjusting intelligent antenna calibration plate comprising:
Net divides instrument, is used to measure the power amplitude value and phase value of the antenna port of intelligent antenna calibration plate；And
Quantization adjusts judging device, is used for the antenna port according to the measurement intelligent antenna calibration plate for dividing from the net instrument
The product standard of the signal and intelligent antenna calibration plate of power amplitude value and phase value determines the function between the antenna port
Rate Magnitude Difference and phase difference value；It is also used to according to the power magnitude difference determined and the phase difference value and intelligence
The product standard of antenna calibration plate determines the power amplitude value that needs are adjusted and the phase value that needs are adjusted；It is also used to basis
The phase value for needing the power amplitude value adjusted and the needs to adjust is covered on the intelligent antenna calibration plate to determine
On plastic film position and quantity.
6. configuration device as claimed in claim 5, which is characterized in that the quantization adjust judging device further include can show described in
The position and quantity of intelligent antenna calibration plate schematic diagram and the plastic film being covered in the intelligent antenna calibration plate
Visible user interface.
7. configuration device as claimed in claim 5, which is characterized in that the net divides instrument to be used for the intelligent antenna calibration plate
The antenna port provide test signal；It is also used to receive from the intelligent antenna calibration plate for judging the intelligence
The signal of the power amplitude value or the phase value between the antenna port of energy antenna calibration plate.
8. a kind of method for adjusting intelligent antenna calibration plate in the configuration device for adjusting intelligent antenna calibration plate, comprising:
According to the signal of the power amplitude value of the antenna port for the measurement intelligent antenna calibration plate for dividing instrument from net and phase value
Power magnitude difference between antenna port of the product standard of intelligent antenna calibration plate to determine intelligent antenna calibration plate and
Phase difference value；
According to the product standard of the power magnitude difference determined and the phase difference value and intelligent antenna calibration plate come really
The phase value for needing the power amplitude value adjusted and needs to adjust calmly；And
The intelligent day is covered on according to the phase value for needing the power amplitude value adjusted and the needs to adjust to determine
The position of plastic film on line calibration plate and quantity.
9. method according to claim 8, which is characterized in that further include:
Need the power amplitude value adjusted and the phase value for needing to adjust that one or more is had stable be situated between according to described
The plastic film of electric constant is covered on microstrip coupler and/or micro-strip branch and/or function scoreboard branch road is described to adjust
Phase value and/or the adjusting power amplitude value.
10. method according to claim 8, which is characterized in that described in every piece be covered in intelligent antenna calibration plate
Plastic film corresponds to the power amplitude value or the phase value that one quantifies.
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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103701535A CN103701535A (en) | 2014-04-02 |
| CN103701535B true CN103701535B (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310680395.XA Active CN103701535B (en) | 2013-12-12 | 2013-12-12 | Adjust the method and device of intelligent antenna calibration plate |
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| CN (1) | CN103701535B (en) |
| WO (1) | WO2015085866A1 (en) |
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| CN103701535B (en) * | 2013-12-12 | 2019-02-01 | 安弗施无线射频***（上海）有限公司 | Adjust the method and device of intelligent antenna calibration plate |
| 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 |
| EP3224644A4 (en) * | 2014-11-12 | 2018-11-07 | Emscan Corporation | Reactive near-field antenna measurement |
| CN107959533B (en) * | 2016-10-17 | 2020-11-06 | 华为技术有限公司 | Wireless device and radio frequency channel calibration method |
| CN111289808B (en) * | 2020-02-25 | 2022-09-13 | 广州兴森快捷电路科技有限公司 | Method for dynamically monitoring amplitude and phase deviation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1832258A (en) * | 2006-03-09 | 2006-09-13 | 摩比天线技术（深圳）有限公司 | Calibration network of intelligent antenna |
| CN101645524A (en) * | 2009-07-13 | 2010-02-10 | 电子科技大学 | Miniaturized electric regulating intelligent antenna phaser based on helix slow wave line |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW395066B (en) * | 1998-10-09 | 2000-06-21 | Acer Inc | Satellite dish antenna microstrip array feed device |
| CN1960057B (en) * | 2005-10-31 | 2011-06-15 | 富士康(昆山)电脑接插件有限公司 | Device for adjusting frequency of antenna |
| CN101527550B (en) * | 2009-04-01 | 2011-03-16 | 石家庄开发区华北集成电路设计有限公司 | Gallium arsenide monolithic integrated numerical-control real time delay circuit |
| TWI593252B (en) * | 2011-12-06 | 2017-07-21 | 艾斯肯公司 | Test station for wireless devices and methods for calibration thereof |
| CN203691423U (en) * | 2013-12-12 | 2014-07-02 | 安弗施无线射频***（上海）有限公司 | Device for adjusting intelligent antenna calibration plate and configuration device thereof |
| CN103701535B (en) * | 2013-12-12 | 2019-02-01 | 安弗施无线射频***（上海）有限公司 | Adjust the method and device of intelligent antenna calibration plate |
-
2013
- 2013-12-12 CN CN201310680395.XA patent/CN103701535B/en active Active
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- 2014-11-26 WO PCT/CN2014/092266 patent/WO2015085866A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1832258A (en) * | 2006-03-09 | 2006-09-13 | 摩比天线技术（深圳）有限公司 | Calibration network of intelligent antenna |
| CN101645524A (en) * | 2009-07-13 | 2010-02-10 | 电子科技大学 | Miniaturized electric regulating intelligent antenna phaser based on helix slow wave line |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015085866A1 (en) | 2015-06-18 |
| CN103701535A (en) | 2014-04-02 |
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Effective date of registration: 20230925 Address after: Connecticut, USA Patentee after: Anfersch Technology Co. Address before: No.388 ningqiao Road, pilot Free Trade Zone, Pudong New Area, Shanghai, 201206 Patentee before: NOKIA SHANGHAI BELL Co.,Ltd. |