CN103856252B - The acquisition methods and device of many array antenna antenna pattern uniformity - Google Patents
The acquisition methods and device of many array antenna antenna pattern uniformity Download PDFInfo
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- CN103856252B CN103856252B CN201210519500.7A CN201210519500A CN103856252B CN 103856252 B CN103856252 B CN 103856252B CN 201210519500 A CN201210519500 A CN 201210519500A CN 103856252 B CN103856252 B CN 103856252B
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Abstract
The embodiment of the invention discloses a kind of acquisition methods and device of many array antenna antenna pattern uniformity, wherein, method includes：According to the radiation direction diagram data of many array antennas, obtain respectively in the normal direction ± 60 ° radiation angle of many array antennas, the maximum difference of the radiation field intensity of each antenna patterns of many array antennas in each angle；Compare the maximum difference of radiation field intensity of each antenna pattern of many array antennas got in each angle, obtain the maximum difference of the radiation field intensity in the radiation angle of many array antenna normal direction ± 60 °；The maximum difference for obtaining the radiation field intensity in the radiation angle of many array antenna normal direction ± 60 ° obtains corresponding maximum gain difference, is used as the gain deviation of many array antennas；The uniformity of many array antenna antenna patterns is obtained according to the gain deviation of many array antennas.The embodiment of the present invention can obtain the uniformity of many array antenna different port antenna patterns.
Description
Technical field
The present invention relates to the communication technology, the especially a kind of acquisition methods and dress of many array antenna antenna pattern uniformity
Put.
Background technology
The figure that the radiation field of antenna for base station is distributed on fixed range with angular coordinate is referred to as directional diagram (also referred to as：
Antenna pattern or antenna radiation pattern), typically represented with radiation field intensity, it embodies antenna transmitting or receives the ability of signal.
Fig. 1 is the horizontal radiation pattern of traditional two-port ± 45 ° Bipolarization antenna for base station, wherein light color is two port middle ports 1
Directional diagram, dark color be port 2 directional diagram.From figure 1 it appears that the antenna pattern uniformity of two ports is (i.e.：
The registration of two figures in one coordinate system) very well, the two is almost overlapped in same coordinate system, this battle array with antenna in itself
Sub- arrangement is closely related.The symmetry of the antenna radiation pattern of each port of antenna is better, then antenna all of the port
Directional diagram uniformity is better.
Fig. 2 arranges schematic diagram for a period of time of antenna shown in Fig. 1.As seen from Figure 2, due to a dual polarized antenna be by
Orthogonal two antenna packages of polarization are constituted in irdome on the same day, and the corresponding antenna in each port is on reflecting plate
Position is identical, therefore the antenna radiation pattern symmetry given off is very well, and uniformity is fine, so existing antenna evaluations index body
Technical evaluation index that need not be on directional diagram uniformity in system.
Fig. 3 is the antenna pattern of many terminal port antennaes of array eight, and the color of eight kinds of different depths represents eight differences respectively
The horizontal radiation pattern that port is given off.From figure 3, it can be seen that radiation of the directional diagram of each port in each angle
Intensity has certain otherness, can not overlap well, what this was mainly determined by the design structure of eight antennas in itself.Fig. 4
A period of time arrangement schematic diagram of many array antennas shown in Fig. 3.As shown in Figure 4, many terminal port antennaes of array eight are by 4 row dual polarized antennas
Constitute.Because position of the 4 row dual polarized antennas on reflecting plate is different, for example, anti-on the left of a row dual polarized antenna of the leftmost side
Penetrate plate very narrow, right side reflecting plate is very wide, and a row dual polarized antenna of the rightmost side is then just on the contrary, the asymmetry of this position
With the smaller caused mutual coupling of inconsistency and array pitch the radiation pattern of eight ports can be caused not Tongfang occur
To with different degrees of deflection, so as to the inconsistency of antenna pattern as shown in Figure 3 occur.And research has shown that, base station connects
Contracture diversity gain size and the uniformity of each port received signal strength in eight antennas are closely related, and uniformity is better, diversity
Gain is more obvious.Accordingly, it would be desirable to know the uniformity of many array antenna antenna patterns.
However, during the present invention is realized, inventor has found, do not have in the antenna index evaluation system of prior art
On the technical indicator of many array antenna different port antenna pattern uniformity, so that the performance of many array antennas can not be obtained
It is good and bad.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is：A kind of many array antenna antenna pattern uniformity are provided
Acquisition methods and device, to obtain the uniformity of many array antenna different port antenna patterns.
A kind of acquisition methods of many array antenna antenna pattern uniformity provided in an embodiment of the present invention, including：
According to the radiation direction diagram data of many array antennas, obtain respectively many array antennas normal direction ±
In 60 ° of radiation angles, the maximum difference of the radiation field intensity of each antenna patterns of many array antennas in each angle；Described many gusts
The antenna pattern data of array antenna include the radiation field of many array antennas in different distance, different angular coordinates
Radiation field intensity information；
Compare the maximum difference of radiation field intensity of each antenna pattern of many array antennas got in each angle,
Obtain the maximum difference of the radiation field intensity in the radiation angle of many array antenna normal direction ± 60 °；
The maximum difference for obtaining the radiation field intensity in the radiation angle of many array antenna normal direction ± 60 ° obtains corresponding maximum
Gain difference, is used as the gain deviation of many array antennas；
The uniformity of many array antenna antenna patterns is obtained according to the gain deviation of many array antennas.
In one embodiment of the above method, many array antennas have two or more port.
In one embodiment of the above method, many array antennas are obtained according to the gain deviation of many array antennas
The uniformity of antenna pattern includes：
The gain deviation of many array antennas is smaller, and the uniformity of many array antenna antenna patterns is better；
The gain deviation of many array antennas is bigger, and the uniformity of many array antenna antenna patterns is poorer.
In one embodiment of the above method, in addition to：
Recognize whether the gain deviation of many array antennas is less than preset gain deviation；
If the gain deviation of many array antennas is less than preset gain deviation, many array antenna radiation sides are determined
Meet performance requirement to the uniformity of figure；
Otherwise, if the gain deviation of many array antennas is not less than preset gain deviation, many arrays day are determined
The uniformity of beta radiation directional diagram does not meet performance requirement.
In one embodiment of the above method, the preset gain deviation is specially 2dB.
A kind of acquisition device of many array antenna antenna pattern uniformity provided in an embodiment of the present invention, including：
Memory cell, the radiation direction diagram data for storing many array antennas, the radiation direction of many array antennas
Diagram data includes radiation field intensity information of the radiation field of many array antennas in different distance, different angular coordinates；
First acquisition unit, for the radiation direction diagram data according to many array antennas in memory cell, is obtained respectively
In the normal direction ± 60 ° radiation angle of many array antennas, each antenna pattern of many array antennas is in each angle
The maximum difference of radiation field intensity；
Comparing unit, the radiation field of each antenna patterns of many array antennas got for comparing in each angle
Strong maximum difference, obtains the maximum difference of the radiation field intensity in the radiation angle of many array antenna normal direction ± 60 °；
Second acquisition unit, the maximum for obtaining the radiation field intensity in the radiation angle of many array antenna normal direction ± 60 °
Difference obtains corresponding maximum gain difference, is used as the gain deviation of many array antennas；
3rd acquiring unit, for obtaining many array antenna radiation sides according to the gain deviation of many array antennas
To the uniformity of figure.
In one embodiment of said apparatus, many array antennas have two or more port.
In one embodiment of said apparatus, the gain deviation of many array antennas is smaller, many array antenna spokes
The uniformity for penetrating directional diagram is better；
The gain deviation of many array antennas is bigger, and the uniformity of many array antenna antenna patterns is poorer.
In one embodiment of said apparatus, in addition to：Recognition unit, for recognizing that the gain of many array antennas is inclined
Whether difference is less than preset gain deviation；
If the gain deviation of many array antennas is less than preset gain deviation, many array antenna radiation sides are determined
Meet performance requirement to the uniformity of figure；
Otherwise, if the gain deviation of many array antennas is not less than preset gain deviation, many arrays day are determined
The uniformity of beta radiation directional diagram does not meet performance requirement.
In one embodiment of said apparatus, the preset gain deviation is specially 2dB.
The acquisition methods and device of many array antenna antenna pattern uniformity provided based on the above embodiment of the present invention,
Normal direction ± 60 ° radiation angle in many array antennas can be obtained respectively according to the radiation direction diagram datas of many array antennas
Interior, the maximum difference of the radiation field intensity of each antenna patterns of many array antennas in each angle compares get many
The maximum difference of radiation field intensity of each antenna pattern of array antenna in each angle, is obtained in many array antenna normal sides
The maximum difference of radiation field intensity into ± 60 ° of radiation angles, and obtain the corresponding maximum gain difference conduct of maximum difference acquisition
The gain deviation of many array antennas, further obtains many array antenna antenna patterns according to the gain deviation of many array antennas
Uniformity.Proposition of the embodiment of the present invention is obtained the uniformity of many array antenna antenna patterns by gain deviation index, from
And weigh performance of many array antenna different port antenna patterns in terms of uniformity, it is ensured that base station is every in multiaerial system
Individual port transmitting and the uniformity of receptivity, give full play to the performance advantage of multiple antennas, solve existing antenna index evaluation
Technical indicator in system not on many array antenna different port antenna pattern uniformity, so that many arrays can not be obtained
The problem of performance of antenna is good and bad.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting a part for specification describes embodiments of the invention, and together with description for explaining
The principle of the present invention.
Referring to the drawings, according to following detailed description, the present invention can be more clearly understood from, wherein：
Fig. 1 is the horizontal radiation pattern of traditional two-port ± 45 ° Bipolarization antenna for base station.
Fig. 2 arranges schematic diagram for a period of time of antenna shown in Fig. 1.
Fig. 3 is the antenna pattern of many terminal port antennaes of array eight.
Fig. 4 arranges schematic diagram for a period of time of many array antennas shown in Fig. 3.
Fig. 5 is the flow chart of acquisition methods one embodiment of many array antenna antenna pattern uniformity of the invention.
Fig. 6 is the structural representation of acquisition device one embodiment of many array antenna antenna pattern uniformity of the invention
Figure.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments does not limit this
The scope of invention.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
The description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its any limitation applied or used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as a part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Fig. 5 is the flow chart of acquisition methods one embodiment of many array antenna antenna pattern uniformity of the invention.Such as
Shown in Fig. 5, the acquisition methods of many array antenna antenna pattern uniformity of the embodiment include：
510, obtain the radiation direction diagram data for many array antennas for needing to obtain antenna pattern uniformity, many arrays
The antenna pattern data of antenna include radiation field of the radiation field of many array antennas in different distance, different angular coordinates
Strong information.
520, according to the radiation direction diagram data of many array antennas got, the method in many array antennas is obtained respectively
In the radiation angle of line direction ± 60 °, the maximum difference of the radiation field intensity of each antenna patterns of many array antennas in each angle.
530, compare the maximum of radiation field intensity of each antenna pattern of many array antennas got in each angle
Difference, obtains the maximum difference of the radiation field intensity in the radiation angle of many array antenna normal direction ± 60 °.
540, according to the preset relation between radiation field intensity and gain, obtain in many array antenna normal direction ± 60 ° spoke
The maximum difference of radiation field intensity obtains corresponding maximum gain difference in firing angle, is used as the gain deviation of many array antennas.
550, the uniformity of many array antenna antenna patterns is obtained according to the gain deviation of many array antennas.
The acquisition methods for many array antenna antenna pattern uniformity that the above embodiment of the present invention is provided, can be according to more
The radiation direction diagram data of array antenna, is obtained in the normal direction ± 60 ° radiation angle of many array antennas respectively, many arrays
The maximum difference of radiation field intensity of each antenna pattern of antenna in each angle, compares each of many array antennas for getting
The maximum difference of radiation field intensity of the antenna pattern in each angle, is obtained in the radiation of many array antenna normal direction ± 60 °
The maximum difference of radiation field intensity in angle, and the corresponding maximum gain difference of maximum difference acquisition is obtained as many array antennas
Gain deviation, further obtains the uniformity of many array antenna antenna patterns according to the gain deviation of many array antennas.This
Inventive embodiments propose to obtain the uniformity of many array antenna antenna patterns by gain deviation index, so as to weigh many arrays
Performance of the antenna different port antenna pattern in terms of uniformity, it is ensured that in multiaerial system base station each port transmitting and
The uniformity of receptivity, gives full play to the performance advantage of multiple antennas, solves and is not closed in existing antenna index evaluation system
In the technical indicator of many array antenna different port antenna pattern uniformity, so that the performance that can not obtain many array antennas is excellent
Bad the problem of.
According to a specific example of the acquisition methods embodiment of many array antenna antenna pattern uniformity of the invention
Unrestricted, many array antennas have two or more port, for example, with eight ports, corresponding many array antennas are specially many
The terminal port antennae of array eight.
According to another specific example of the acquisition methods embodiment of many array antenna antenna pattern uniformity of the invention
And it is unrestricted, in the operation 550 of embodiment illustrated in fig. 1, many array antennas are obtained according to the gain deviation of many array antennas and radiated
The uniformity of directional diagram can specifically include：
The gain deviation of many array antennas is smaller, and the uniformity of many array antenna antenna patterns is better；
The gain deviation of many array antennas is bigger, and the uniformity of many array antenna antenna patterns is poorer.
According to another specific example of the acquisition methods embodiment of many array antenna antenna pattern uniformity of the invention
And it is unrestricted, in addition to：
Recognize whether the gain deviation of many array antennas is less than preset gain deviation；
If the gain deviation of many array antennas is less than preset gain deviation, the one of many array antenna antenna patterns is determined
Cause property meets performance requirement；
Otherwise, if the gain deviation of many array antennas is not less than preset gain deviation, many array antenna radiation sides are determined
Performance requirement is not met to the uniformity of figure.
Exemplarily, preset gain deviation therein is specifically as follows 2dB.
The embodiment of the present invention is with a Long Term Evolution (Long Term Evolution, LTE) FDD (Frequency
Division Duplex, FDD) 2.6GHz eight is exemplified by the Bipolarization antenna for base station array of port, to many arrays of the embodiment of the present invention
The application of the acquisition methods of radiation pattern uniformity is further elaborated, but principle involved in the present invention and
Method is not limited to many array antennas of the frequency range and the wireless access technology, can be based on the Application Example, can be by this
Inventive embodiments are extended to other frequency ranges, wireless access technology, many array antennas of quantity port.
The terminal port antennae of many arrays eight with reference to shown in Fig. 3 (can also be referred to as below：Antenna or many array antennas) spoke
Directional diagram is penetrated, 0 degree of normal direction for antenna is spent in 120 degree of radiation angular range, each port is every totally in -60 degree to+60
Have a radiation field intensity values in one angle, eight ports per had on once in 8 radiation field intensity values, each angle with
The directional diagram of 8 ports has a crosspoint, can find the maximum and minimum of the corresponding radiation field intensity in 8 crosspoints
Value, radiation field intensity is bigger, and corresponding yield value is bigger.Take the corresponding radiation field intensity in 8 crosspoints in first angle of radiation
Maxima and minima, the two is subtracted each other the maximum difference for obtaining the radiation field intensity in each angle of radiation.Spent from -60 to+60
Each angle of radiation is calculated once in the radiation angle of degree, due to having a radiation field intensity in each angle of radiation most
Big difference, one has the maximum difference of 120 radiation field intensities, and 120 maximum gain differences of correspondence, the maximum gain difference is also referred to as
For gain deviation.Obtain the radiation field intensity generation in the maximum difference in the maximum difference of 120 radiation field intensities, each angle of radiation
The table ability of antenna amplified signal, according to the preset relation between radiation field intensity and increasing, obtains 120 radiation field intensities most
The corresponding maximum gain difference of maximum difference in big difference, recognizes whether the gain deviation of many array antennas is less than preset gain
Deviation, for example, 2dB.If the gain deviation of many array antennas is less than preset gain deviation, many array antenna radiation are determined
The uniformity of directional diagram meets performance requirement.Otherwise, if the gain deviation of many array antennas is not less than preset gain deviation, really
The uniformity of fixed many array antenna antenna patterns does not meet performance requirement.
Fig. 6 is the structural representation of acquisition device one embodiment of many array antenna antenna pattern uniformity of the invention
Figure.The acquisition device of many array antenna antenna pattern uniformity of the embodiment can be used for realizing the above-mentioned each many arrays day of the present invention
The acquisition methods flow of beta radiation directional diagram uniformity.As shown in fig. 6, it include memory cell 610, first acquisition unit 620,
Comparing unit 630, the acquiring unit 650 of second acquisition unit 640 and the 3rd.
Wherein, memory cell 610, the radiation direction diagram data for storing each many array antennas pre-set, this is more
The antenna pattern data of array antenna include spoke of the radiation field of many array antennas in different distance, different angular coordinates
Penetrate field intensity information.
First acquisition unit 620, for obtaining many arrays for needing to obtain antenna pattern uniformity from memory cell 610
The radiation direction diagram data of antenna, and according to the radiation direction diagram data of many array antennas, obtain respectively in many array antennas
Normal direction ± 60 ° radiation angle in, the maximum of the radiation field intensity of each antenna patterns of many array antennas in each angle
Difference.
Comparing unit 630, each antenna pattern for comparing many array antennas that first acquisition unit 620 is got exists
The maximum difference of radiation field intensity in each angle, obtains the radiation field intensity in the radiation angle of many array antenna normal direction ± 60 °
Maximum difference.
Second acquisition unit 640, for the comparative result according to comparing unit 630, is obtained in many array antenna normal sides
Into ± 60 ° of radiation angles, the maximum difference of radiation field intensity obtains corresponding maximum gain difference, is used as the gain of many array antennas
Deviation.
3rd acquiring unit 650, for obtaining many array antenna antenna patterns according to the gain deviation of many array antennas
Uniformity.
The acquisition device for many array antenna antenna pattern uniformity that the above embodiment of the present invention is provided, can be according to more
The radiation direction diagram data of array antenna, is obtained in the normal direction ± 60 ° radiation angle of many array antennas respectively, many arrays
The maximum difference of radiation field intensity of each antenna pattern of antenna in each angle, compares each of many array antennas for getting
The maximum difference of radiation field intensity of the antenna pattern in each angle, is obtained in the radiation of many array antenna normal direction ± 60 °
The maximum difference of radiation field intensity in angle, and the corresponding maximum gain difference of maximum difference acquisition is obtained as many array antennas
Gain deviation, further obtains the uniformity of many array antenna antenna patterns according to the gain deviation of many array antennas.This
Inventive embodiments propose to obtain the uniformity of many array antenna antenna patterns by gain deviation index, so as to weigh many arrays
Performance of the antenna different port antenna pattern in terms of uniformity, it is ensured that in multiaerial system base station each port transmitting and
The uniformity of receptivity, gives full play to the performance advantage of multiple antennas, solves and is not closed in existing antenna index evaluation system
In the technical indicator of many array antenna different port antenna pattern uniformity, so that the performance that can not obtain many array antennas is excellent
Bad the problem of.
According to a specific example of the acquisition device embodiment of many array antenna antenna pattern uniformity of the invention
Unrestricted, many array antennas have two or more port.
According to another specific example of the acquisition device embodiment of many array antenna antenna pattern uniformity of the invention
And it is unrestricted, the gain deviation of many array antennas is smaller, and the uniformity of many array antenna antenna patterns is better；Conversely, many gusts
The gain deviation of array antenna is bigger, and the uniformity of many array antenna antenna patterns is poorer.
Referring back to Fig. 6, according to the another of the acquisition device embodiment of many array antenna antenna pattern uniformity of the invention
Individual specific example and it is unrestricted, can also include recognition unit 660, for recognizing many gusts that second acquisition unit 640 is got
Whether the gain deviation of array antenna is less than preset gain deviation；If the gain deviation of many array antennas is less than preset gain deviation
Value, determines that the uniformity of many array antenna antenna patterns meets performance requirement；Otherwise, if the gain deviation of many array antennas not
Less than preset gain deviation, determine that the uniformity of many array antenna antenna patterns does not meet performance requirement.
Exemplarily, above-mentioned preset gain deviation is specifically as follows 2dB.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and it
Same or analogous part cross-reference between the difference of its embodiment, each embodiment.For device embodiment
For, because it is substantially similar to embodiment of the method, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
Defend oneself bright.
Methods and apparatus of the present invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, any combinations of firmware realize methods and apparatus of the present invention.The said sequence of the step of for methods described
Order described in detail above is not limited to merely to illustrate, the step of method of the invention, it is special unless otherwise
Do not mentionlet alone bright.In addition, in certain embodiments, the present invention can be also embodied as recording to program in the recording medium, these programs
Including the machine readable instructions for realizing the method according to the invention.Thus, the present invention also covering storage is used to perform basis
The recording medium of the program of the method for the present invention.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of including above method embodiment is performed；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
Technical indicator in existing antenna rower and enterprise's mark not on different antennae array pattern uniformity, this
The gain deviation index that inventive embodiments are proposed can make up this blank, and its definition is scientific and reasonable, and computational methods are simple and clear,
It is easily operated.In more and more widely used multiple antennas GSM, it is possible to use the index weighs many array antennas
The uniformity of antenna pattern, so that it is guaranteed that each port transmitting of base station and the uniformity of receptivity in multiaerial system,
Give full play to the performance advantage of multiple antennas.
Description of the invention is provided for the sake of example and description, and is not exhaustively or by the present invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch
State embodiment and be more preferably to illustrate the principle and practical application of the present invention, and one of ordinary skill in the art is managed
The solution present invention is so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (8)
1. a kind of acquisition methods of many array antenna antenna pattern uniformity, it is characterised in that including：
According to the radiation direction diagram data of many array antennas, the normal direction ± 60 ° spoke in many array antennas is obtained respectively
In firing angle, the maximum difference of the radiation field intensity of each antenna patterns of many array antennas in each angle；Many arrays day
The antenna pattern data of line include radiation of the radiation field of many array antennas in different distance, different angular coordinates
Field intensity information；
Compare the maximum difference of radiation field intensity of each antenna pattern of many array antennas got in each angle, obtain
The maximum difference of radiation field intensity in the radiation angle of many array antenna normal direction ± 60 °；
The maximum difference for obtaining the radiation field intensity in the radiation angle of many array antenna normal direction ± 60 ° obtains corresponding maximum gain
Difference, is used as the gain deviation of many array antennas；
The uniformity of many array antenna antenna patterns is obtained according to the gain deviation of many array antennas；
Recognize whether the gain deviation of many array antennas is less than preset gain deviation；
If the gain deviation of many array antennas is less than preset gain deviation, many array antenna antenna patterns are determined
Uniformity meet performance requirement；
Otherwise, if the gain deviation of many array antennas is not less than preset gain deviation, many array antenna spokes are determined
The uniformity for penetrating directional diagram does not meet performance requirement.
2. according to the method described in claim 1, it is characterised in that many array antennas have two or more port.
3. method according to claim 2, it is characterised in that according to being obtained the gain deviation of many array antennas
The uniformity of many array antenna antenna patterns includes：
The gain deviation of many array antennas is smaller, and the uniformity of many array antenna antenna patterns is better；
The gain deviation of many array antennas is bigger, and the uniformity of many array antenna antenna patterns is poorer.
4. the method according to claims 1 to 3 any one, it is characterised in that the preset gain deviation is specially
2dB。
5. a kind of acquisition device of many array antenna antenna pattern uniformity, it is characterised in that including：
Memory cell, the radiation direction diagram data for storing many array antennas, the antenna pattern number of many array antennas
According to radiation field intensity information of the radiation field including many array antennas in different distance, different angular coordinates；
First acquisition unit, for the radiation direction diagram data according to many array antennas in memory cell, is obtained described respectively
In the normal direction ± 60 ° radiation angle of many array antennas, the radiation of each antenna patterns of many array antennas in each angle
The maximum difference of field strength；
Comparing unit, the radiation field intensity of each antenna patterns of many array antennas got for comparing in each angle
Maximum difference, obtains the maximum difference of the radiation field intensity in the radiation angle of many array antenna normal direction ± 60 °；
Second acquisition unit, the maximum difference for obtaining the radiation field intensity in the radiation angle of many array antenna normal direction ± 60 °
Corresponding maximum gain difference is obtained, the gain deviation of many array antennas is used as；
3rd acquiring unit, for obtaining many array antenna antenna patterns according to the gain deviation of many array antennas
Uniformity；
Recognition unit, for recognizing whether the gain deviation of many array antennas is less than preset gain deviation；If described many
The gain deviation of array antenna is less than preset gain deviation, determines that the uniformity of many array antenna antenna patterns meets
Performance requirement；Otherwise, if the gain deviation of many array antennas is not less than preset gain deviation, many arrays day are determined
The uniformity of beta radiation directional diagram does not meet performance requirement.
6. device according to claim 5, it is characterised in that many array antennas have two or more port.
7. device according to claim 6, it is characterised in that the gain deviation of many array antennas is smaller, described many
The uniformity of array antenna antenna pattern is better；
The gain deviation of many array antennas is bigger, and the uniformity of many array antenna antenna patterns is poorer.
8. the device according to claim 5~7 any one, it is characterised in that the preset gain deviation is specially
2dB。
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608570A (en) * | 1982-11-18 | 1986-08-26 | Central Glass Company, Limited | Automotive window glass antenna |
| JPH10270930A (en) * | 1997-03-26 | 1998-10-09 | Tech Res & Dev Inst Of Japan Def Agency | Antenna pattern synthesis method for curved array |
| CN1497780A (en) * | 2002-10-01 | 2004-05-19 | �����ѧ��ҵ�о���֯ | Shaped reflector multibeam antenna |
| CN101105513A (en) * | 2007-06-27 | 2008-01-16 | 浙江大学 | Antenna Radiation Characteristics Experimental Device |
| CN101308177A (en) * | 2008-07-11 | 2008-11-19 | 西安电子科技大学 | Electrical Performance Prediction Method of Active Reflector Antenna |
| CN101902755A (en) * | 2009-05-27 | 2010-12-01 | 大唐移动通信设备有限公司 | Method and device for simulating intelligent antenna and method and device for acquiring broadcast beam weight |
| CN102412441A (en) * | 2011-09-02 | 2012-04-11 | 中国电子科技集团公司第十研究所 | Phased array antenna vector average calibration method |
-
2012
- 2012-12-06 CN CN201210519500.7A patent/CN103856252B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608570A (en) * | 1982-11-18 | 1986-08-26 | Central Glass Company, Limited | Automotive window glass antenna |
| JPH10270930A (en) * | 1997-03-26 | 1998-10-09 | Tech Res & Dev Inst Of Japan Def Agency | Antenna pattern synthesis method for curved array |
| CN1497780A (en) * | 2002-10-01 | 2004-05-19 | �����ѧ��ҵ�о���֯ | Shaped reflector multibeam antenna |
| CN101105513A (en) * | 2007-06-27 | 2008-01-16 | 浙江大学 | Antenna Radiation Characteristics Experimental Device |
| CN101308177A (en) * | 2008-07-11 | 2008-11-19 | 西安电子科技大学 | Electrical Performance Prediction Method of Active Reflector Antenna |
| CN101902755A (en) * | 2009-05-27 | 2010-12-01 | 大唐移动通信设备有限公司 | Method and device for simulating intelligent antenna and method and device for acquiring broadcast beam weight |
| CN102412441A (en) * | 2011-09-02 | 2012-04-11 | 中国电子科技集团公司第十研究所 | Phased array antenna vector average calibration method |
Non-Patent Citations (1)
| Title |
|---|
| 基站天线原理日常应用中的基本原则;ANDREW公司;《百度文库》;20121105;第31页 * |
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