CN107230845A - The rectangle beam-shaped antenna that a kind of outer lobe of half-power angle is quickly fallen - Google Patents
The rectangle beam-shaped antenna that a kind of outer lobe of half-power angle is quickly fallen Download PDFInfo
- Publication number
- CN107230845A CN107230845A CN201710322793.2A CN201710322793A CN107230845A CN 107230845 A CN107230845 A CN 107230845A CN 201710322793 A CN201710322793 A CN 201710322793A CN 107230845 A CN107230845 A CN 107230845A
- Authority
- CN
- China
- Prior art keywords
- subarrays
- group
- array element
- groups
- array
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- 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
- H01Q3/28—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 varying the amplitude
-
- 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
- H01Q3/30—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 varying the relative phase between the radiating elements of an array
Abstract
The present invention provides a kind of half-power angle rectangle beam-shaped antenna that outer lobe is quickly fallen, including three groups of subarrays, and the arrangement mode of three groups of subarrays is：Centered on N × N subarray A groups, increase N number of array element respectively in the upper and lower, left and right of A group subarrays and constitute B group subarrays, then not more than N number of array element is extended out respectively in the upper and lower, left and right of B group subarrays and constitute C group subarrays, wherein N >=1；The excitation amplitude of array element is identical in same group of subarray, and in A group subarrays array element excitation amplitude it is maximum；A groups are identical with the phase of array element in B group subarrays, and the phase of array element differs 180 ° with other groups of array elements in C group subarrays.The shaped aerial employs less array element quantity, realizes the outer lobe of rectangle wave beam half-power angle and quickly falls.
Description
Technical field
The present invention relates to the rectangle beam-shaped antenna that lobe outside a kind of half-power angle is quickly fallen, belong to antenna and wireless
Communication technical field.
Technical background
Large stadium amount of communications when holding some key activities is sharply increased, and the frequency resource that can be used has
Limit, therefore message capacity need to be improved by channeling technology.However, the shape of the antenna pattern of antenna is to cellular communication
Quality has large effect.To meet the communication coverage requirements of venue, it is necessary to which the lobe of antenna tends in cross-sectional direction
In rectangle, while requiring that lobe is quickly fallen outside antenna half-power angle.Mutually weighted by width due to conventional rectangular array
Method realizes rectangle wave beam forming, but the Shortcomings such as antenna falls in rectangle figuration effect, lobe, array element quantity, therefore
Need to study and optimize new rectangle beam-shaped antenna, improved with reducing while array element quantity outside rectangle wave beam half-power angle
Lobe falls ability, is multiplexed and reduces to have in terms of cost being of great significance to raising communication system frequency.
The content of the invention
In view of this, the present invention proposes the rectangle beam-shaped antenna that a kind of outer lobe of half-power angle is quickly fallen, the tax
Shape antenna employs less array element quantity, realizes the outer lobe of rectangle wave beam half-power angle and quickly falls, while effectively disappearing
Except the covering that near by frequency is multiplexed cell is overlapping, the border of cell is tried one's best clearly, improve channeling efficiency and be
The message capacity of system.
The technical scheme is that：
The rectangle beam-shaped antenna that a kind of outer lobe of half-power angle is quickly fallen, including three groups of subarrays, three groups of submatrixs
The arrangement mode of row is：Centered on N × N subarray A groups, N number of array element is increased respectively in the upper and lower, left and right of A group subarrays
B group subarrays are constituted, then not more than N number of array element is extended out respectively in the upper and lower, left and right of B group subarrays and constitute C group subarrays, its
Middle N >=1；
The excitation amplitude of array element is identical in same group of subarray, and in A group subarrays array element excitation amplitude it is maximum；A groups
Identical with the phase of array element in B group subarrays, the phase of array element differs 180 ° with other groups of array elements in C group subarrays.
Further, adjacent array element spacing is the λ of 0.5 λ~0.8, B groups and A group subarrays in A groups subarray of the present invention
The adjacent array element spacing of middle correspondence is the λ of 0.5 λ~0.85, between C groups are with the level interval of corresponding array element in B group subarrays or vertically
Away from for the λ of 0.5 λ~0.85, wherein λ is the center operating frequency of antenna.
The advantage of the present invention compared with prior art is：
First, the present invention realizes different half-power beams by flexible configuration array layout, excitation amplitude and phase
Quick the falling of width and the outer lobe of half-power angle, with preferable rectangle wave beam forming effect, can effectively reduce focus and lead to
Believe the adjacent area interference in region, realize the channeling of neighbor cell, improve network capacity.
Second, present invention employs less array element quantity, life can be significantly reduced in being applied in fields such as mobile communication
Produce cost and maintenance cost；Relative to current rectangle beam-shaped antenna, the present invention can effectively reduce focus communication zone
Adjacent area is disturbed, and realizes the channeling of neighbor cell, improves network capacity.
Brief description of the drawings
Fig. 1 is the sparse distribution figure (N=2) of rectangle beam-shaped antenna array；
Fig. 2 is the excitation amplitude and phase (N=2) for the rectangle beam-shaped antenna array that beam angle is 48 °~56 °；
Fig. 3 is the three-dimensional figure and gradient map of rectangle beam-shaped antenna array；
Fig. 4 is rectangle beam-shaped antenna 2.3GHz and 2.7GHz two-dimensional directional figure and 2.5GHz each tangent plane direction
Figure.
Embodiment
Below in conjunction with the accompanying drawings and specific implementation of the instantiation to the present invention is described in detail, to further understand this
Principle, feature and the advantage of scheme.
The rectangle beam-shaped antenna that a kind of outer lobe of half-power angle of the present invention is quickly fallen, its designing points include array
Layout, array element excitation amplitude and Signal Phase Design.The antenna includes three groups of subarrays, and three groups of subarrays are using array element sparse distribution
Arrangement mode, be specially：Centered on N × N subarray A groups, N number of array element is increased respectively in the upper and lower, left and right of A group subarrays
B group subarrays are constituted, then not more than N number of array element is extended out respectively in the upper and lower, left and right of B group subarrays and constitute C group subarrays, its
Middle N >=1；
The excitation amplitude of array element is maximum and consistent in A group subarrays, the array element excitation amplitude phase in B groups and C group subarrays
It is identical in the array element excitation amplitude group wherein in B groups and C group subarrays to smaller.Pass through the battle array in flexible configuration B groups and C groups
Member excitation range value, can not only realize different half-power beam widths, and can effectively control the outer lobe of half-power angle to fall
Fall ability and sidelobe level suppression level.A groups array element is identical with the phase of B group array elements in array, C groups array element and other array elements
180 ° of difference.
Array element in wherein each group pattern can be using dipole, microstrip antenna or radiating guide of ± 45 ° of polarization etc..
Adjacent array element spacing is the λ of 0.5 λ~0.8, B groups and A group submatrixs in rectangle beam-shaped antenna array A group subarrays
The adjacent array element spacing of correspondence is the λ of 0.5 λ~0.85 in row, the level interval of the C groups array element corresponding with B group subarrays or is erected
Straight spacing is the λ of 0.5 λ~0.85, and wherein λ is the center operating frequency of antenna.
Example one：
Working frequency carries out sparse distribution using 16 array elements altogether for 2.3GHz~2.7GHz rectangle beam-shaped antenna,
As shown in figure 1, array element use ± 45 ° polarized dipole and electrical sub-antenna, each array element center is respectively A1 in the coordinate of xoy coordinate systems
(31,-31)、A2(31,31)、A3(-31,31)、A4(-31,-31)、B1(93,-31)、B2(93,31)、B3(31,93)、B4(-
31,93)、B5(-93,31)、B6(-93,-31)、B7(-31,-93)、B8(31,93)、C1(155,0)、C2(0,155)、C3(-
155,0), C4 (0, -155), wherein unit are mm.
Fig. 2 give beam angle be the width distributed mutually in the case of 48 °~56 °, wherein the element excitation amplitude in A groups most
Big and consistent (setting the element excitation amplitude in A groups as 0dB), the element excitation amplitude of B groups is -16.5dB, the element excitation of C groups
Amplitude is -11.5dB.A groups are identical with the excitation phase of B group units in array, and its in the excitation phase and array in C groups
Its unit differs 180 °.
Fig. 3 gives the three-dimensional figure and gradient map of rectangle beam-shaped antenna array；Fig. 4 is rectangle wave beam forming day
Line 2.3GHz and 2.7GHz two-dimensional directional figure and 2.5GHz each tangent plane directional diagram.As can be seen from the above results, the square
Shape beam-shaped antenna not only has the advantages that array number is few, the outer lobe of half-power angle fall soon, secondary lobe and episternites level it is low, and
And with preferable rectangle wave beam forming effect.
The content not being described in detail in description of the invention belongs to prior art known to professional and technical personnel in the field.
Although disclosing highly preferred embodiment of the present invention and accompanying drawing for the purpose of illustration, those skilled in the art can be with
Understand：Without departing from the spirit and scope of the invention and the appended claims, it is various replace, to change and modifications all be possible
's.Therefore, the present invention should not be limited to most preferred embodiment and accompanying drawing disclosure of that.
In summary, presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (3)
1. the rectangle beam-shaped antenna that a kind of outer lobe of half-power angle is quickly fallen, it is characterised in that including three groups of subarrays,
The arrangement mode of three groups of subarrays is：Centered on N × N subarray A groups, increase respectively in the upper and lower, left and right of A group subarrays
N number of array element constitutes B group subarrays, then to extend out in the upper and lower, left and right of B group subarrays not more than N number of array element composition C groups respectively sub
Array, wherein N >=1；
The excitation amplitude of array element is identical in same group of subarray, and in A group subarrays array element excitation amplitude it is maximum；A groups and B groups
The phase of array element is identical in subarray, and the phase of array element differs 180 ° with other groups of array elements in C group subarrays.
2. the rectangle beam-shaped antenna that the outer lobe of half-power angle is quickly fallen according to claim 1, it is characterised in that institute
It is the λ of 0.5 λ~0.8 to state in A group subarrays adjacent array element spacing, and B groups adjacent array element spacing corresponding with A group subarrays is 0.5 λ
The level interval or vertical spacing of~0.85 λ, C group and corresponding array element in B group subarrays are the λ of 0.5 λ~0.85, and wherein λ is day
The center operating frequency of line.
3. the rectangle beam-shaped antenna that the outer lobe of half-power angle is quickly fallen according to claim 1, it is characterised in that institute
The array element for stating each direction in N=2, and C group subarrays is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322793.2A CN107230845B (en) | 2017-05-09 | 2017-05-09 | Rectangular beam forming antenna with half-power angular outer lobe falling rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322793.2A CN107230845B (en) | 2017-05-09 | 2017-05-09 | Rectangular beam forming antenna with half-power angular outer lobe falling rapidly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107230845A true CN107230845A (en) | 2017-10-03 |
| CN107230845B CN107230845B (en) | 2020-11-06 |
Family
ID=59933619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710322793.2A Active CN107230845B (en) | 2017-05-09 | 2017-05-09 | Rectangular beam forming antenna with half-power angular outer lobe falling rapidly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107230845B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767494A (en) * | 2018-03-28 | 2018-11-06 | 北京空间飞行器总体设计部 | A kind of dual polarization rectangle figuration venue thinned array antenna |
| CN113451754A (en) * | 2021-03-09 | 2021-09-28 | 武汉虹信科技发展有限责任公司 | Rectangular shaped array antenna |
| US11949166B2 (en) | 2020-11-17 | 2024-04-02 | Commscope Technologies Llc | Antenna and methods for manufacturing and operating the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030090433A1 (en) * | 2001-02-26 | 2003-05-15 | Masataka Ohtsuka | Antenna device |
| CN104901734A (en) * | 2015-06-26 | 2015-09-09 | 中国船舶重工集团公司第七二四研究所 | Array antenna beam forming method |
| CN106129638A (en) * | 2016-07-21 | 2016-11-16 | 华为技术有限公司 | Antenna and base station |
| CN106571537A (en) * | 2016-11-08 | 2017-04-19 | 北京空间飞行器总体设计部 | Bipolar two-beam low-side-lobe rapid-drop rectangular shaping array antenna |
-
2017
- 2017-05-09 CN CN201710322793.2A patent/CN107230845B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030090433A1 (en) * | 2001-02-26 | 2003-05-15 | Masataka Ohtsuka | Antenna device |
| CN104901734A (en) * | 2015-06-26 | 2015-09-09 | 中国船舶重工集团公司第七二四研究所 | Array antenna beam forming method |
| CN106129638A (en) * | 2016-07-21 | 2016-11-16 | 华为技术有限公司 | Antenna and base station |
| CN106571537A (en) * | 2016-11-08 | 2017-04-19 | 北京空间飞行器总体设计部 | Bipolar two-beam low-side-lobe rapid-drop rectangular shaping array antenna |
Non-Patent Citations (1)
| Title |
|---|
| 康行健: "《天线原理与设计》", 31 August 1993 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767494A (en) * | 2018-03-28 | 2018-11-06 | 北京空间飞行器总体设计部 | A kind of dual polarization rectangle figuration venue thinned array antenna |
| US11949166B2 (en) | 2020-11-17 | 2024-04-02 | Commscope Technologies Llc | Antenna and methods for manufacturing and operating the same |
| CN113451754A (en) * | 2021-03-09 | 2021-09-28 | 武汉虹信科技发展有限责任公司 | Rectangular shaped array antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107230845B (en) | 2020-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102570054B (en) | Monopolar 6-beam antenna used in mobile communication base station | |
| CN105356062B (en) | Broadband array antenna | |
| CN104134856B (en) | A kind of dual-polarization broadband antenna oscillator unit and broadband dual polarized antenna | |
| CN107171075A (en) | Multi-frequency array antenna and communication system | |
| CN202474227U (en) | Dual-polarized tri-beam antenna for mobile communication base station | |
| US10224643B2 (en) | Radio communication antenna having narrow beam width | |
| JP2015521822A (en) | Electromagnetic dipole antenna | |
| CN205004448U (en) | Wide band array antenna | |
| US10553962B2 (en) | Dipole antenna with beamforming ring | |
| EP3231037B1 (en) | High coverage antenna array and method using grating lobe layers | |
| CN102110878B (en) | Broadband multi-frequency monopole antenna | |
| CN102790284A (en) | Antenna device with multiple boundaries and reflecting board thereof | |
| CN107230845A (en) | The rectangle beam-shaped antenna that a kind of outer lobe of half-power angle is quickly fallen | |
| CN103367932A (en) | Dual-beam antenna | |
| JP7074772B2 (en) | Phased array antennas with switched elevation beam widths and related methods | |
| CN106887720B (en) | Rectangle shaped aerial array | |
| CN109103607A (en) | One-dimensional wide angle scanning Phased Array Antenna based on directional diagram reconstructable | |
| CN103715503A (en) | Multi-sectorizing antenna and communication system | |
| CN108092008B (en) | Two beam array antennas of one kind and system | |
| CN207517897U (en) | A kind of two beam array antennas and system | |
| CN107611597A (en) | With shaped-beam and close coupling submatrix and design method can be cutd open as the low of array element | |
| CN114300847B (en) | Wide-angle scanning low-cross polarization antenna array and radio frequency communication equipment | |
| CN216648612U (en) | Antenna structure and communication equipment | |
| CN107946756A (en) | A kind of electromagnetism surpasses the narrow beam WLAN AP antennas of surface loading | |
| Hashiguchi et al. | Dual Band and Dual Polarization Reflectarray Enabling Reflection to Two-dimensional Direction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |