CN202513285U - Multi-polarization microstrip patch antenna for loading zero order resonator - Google Patents
Multi-polarization microstrip patch antenna for loading zero order resonator Download PDFInfo
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- CN202513285U CN202513285U CN2012200263179U CN201220026317U CN202513285U CN 202513285 U CN202513285 U CN 202513285U CN 2012200263179 U CN2012200263179 U CN 2012200263179U CN 201220026317 U CN201220026317 U CN 201220026317U CN 202513285 U CN202513285 U CN 202513285U
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Abstract
The utility model provides a multi-polarization microstrip patch antenna for loading a zero order resonator. The antenna comprises an upper microstrip structure, an intermediate dielectric substrate and a bottom metal floor. The upper microstrip structure is arranged on one side of the intermediate dielectric substrate, and comprises a microstrip transmission line, a coupling feed part and an antenna body. The microstrip transmission line is vertically connected with the coupling feed part. The antenna body and the microstrip transmission line are respectively arranged at two sides of the coupling feed part. A gap is arranged between the antenna body and the coupling feed part. The antenna body is formed by two microstrip patch parts and a zero order resonant part which is arranged between the two microstrip patch parts. The zero order resonant part is formed by an upper microstrip patch and a grounding metal column which is vertically arranged between the upper microstrip patch and the intermediate dielectric substrate. According to the utility model, through the combination of a traditional microstrip patch antenna and a two-order mushroom type zero order resonator, detects of respective polarization direction graph and radiation direction graph of the above antenna and resonator are overcome, and a good radiation characteristic is realized.
Description
Technical field
The utility model relates to the miniature antenna technical field in the radio communication, more particularly, relates to a kind of multipolarization micro-strip paster antenna that loads Zero order resonator.
Background technology
Along with mobile communication rapid development, antenna is as the transceiving device of Wireless Telecom Equipment, and people have proposed increasingly high requirement to its performance.Influences such as single-polarized antenna often receives that in use environment, antenna are put cause guaranteeing reception, so people invent the defective that multi-polarization antenna overcomes single polarization, guarantee the transmitting-receiving quality.Mostly multi-polarization antenna is combined antenna; Utilize the different single-polarized antenna of a plurality of same frequency polarization directions to be combined to form, like patent CN102099963A, but present stage multi-polarization antenna be mostly the space multistory structure for satisfying the multipolarization characteristic; Size is bigger, complex structure.
Microstrip antenna has in light weight, and volume is little, and the planar structure of thin profile is prone to make conformal antenna; Manufacturing cost is easy to a large amount of productions, therefore is used widely; The conventional patch antenna polarised direction is single, is the horizontal direction of medium substrate, and directional diagram is upwards concentrated; Lobe width is narrow, and the horizontal plane radiation is not enough, if can accomplish the low undersized little band multi-polarization antenna of section just can add a kind of vertical polarized antenna that has low section microstrip structure equally on this basis.
Anisotropic media be propose in recent years a kind of in certain frequency range effective dielectric constant and magnetic permeability can be the structure of negative value; Utilize its peculiar electromagnetic property can make Zero-order resonant antenna; The size of Zero-order resonant antenna can not receive the restriction of resonance frequency within the specific limits, can make antenna miniaturization effectively.Existing mushroom-shaped Zero-order resonant antenna has low section, and the polarised direction vertical with dielectric-slab, but its antenna pattern is zero point on the medium substrate vertical direction.Therefore,, realize that aerial radiation covers at the dielectric-slab upper half-space preferably, can microstrip antenna be combined with the mushroom-shaped Zero-order resonant antenna to realize that volume is little, the multi-polarization antenna of low section in order to remedy the existing defective of antenna on directional diagram.
The utility model content
The purpose of the utility model is to overcome shortcoming of the prior art with not enough; A kind of multipolarization micro-strip paster antenna that loads Zero order resonator is provided; This antenna has the multipolarization characteristic of horizontal polarization and perpendicular polarization simultaneously, can effectively remedy single Zero-order resonant antenna in the gain reduction in the medium substrate horizontal direction of the radiation zero of medium substrate vertical direction and single micro-strip paster antenna.
In order to achieve the above object, the utility model is achieved through following technical proposals: a kind of multipolarization micro-strip paster antenna that loads Zero order resonator is characterized in that: comprise upper strata microstrip structure, intermediate medium substrate and underlying metal floor; Said upper strata microstrip structure is arranged on the one side of intermediate medium substrate; Comprise microstrip transmission line, coupling feed and antenna body: feed is vertical is connected with coupling for microstrip transmission line, and antenna body and microstrip transmission line are separately positioned on the both sides of the feed that is coupled; Antenna body and coupling have the slit between the feed, microstrip transmission lines through the slit to the antenna body feed that is coupled; Said antenna body is made up of two microband paste parts and zeroth order resonance portion, and the zeroth order resonance portion is arranged between two microband paste parts; Said zeroth order resonance portion by the upper strata microband paste and be vertically set on the upper strata microband paste and the intermediate medium substrate between the grounded metal post form.
Through such scheme, can obtain a kind of multipolarization micro-strip paster antenna that overcomes the loading Zero order resonator of polarised direction and antenna pattern defective, this antenna does not increase antenna size and realizes radiation characteristic preferably.
The microband paste part is vertical with zeroth order resonance portion polarised direction in the said antenna body, and microband paste partial polarization direction is parallel to the intermediate medium substrate, and zero resonance portion polarised direction is perpendicular to the intermediate medium substrate.
Said microstrip transmission line through the slit to antenna body be coupled feed be meant microstrip transmission lines through the slit to the microband paste of antenna body part and the upper strata microband paste feed that is coupled simultaneously.
Said microband paste partly is the micro-strip paster antenna of rectangle.
Said micro-strip paster antenna length according to the wavelength decision of high band.
Said zeroth order resonance portion is the mushroom-shaped Zero order resonator of second order, and its unit is square and the middle grounded metal post in unit links to each other with the underlying metal floor.
Said microstrip transmission line is 50 ohm a transmission line.
The relative dielectric constant of said intermediate medium substrate is 1-100, and thickness is 0.1mm-5mm.
Compared with prior art, the utlity model has following advantage and beneficial effect:
1, the antenna of the utility model is through combining the mushroom-shaped Zero order resonator of conventional microsthp patch antennas and second order, overcome both defectives of polarised direction and antenna pattern separately, realized radiation characteristic preferably, and do not increased antenna size.
2, the zeroth order resonance physical size that adopts in the utility model and resonance frequency are independent, can adjust size easily and combine with the micro-strip paster antenna of same frequency.
Description of drawings
Fig. 1 is the structural representation that the utility model loads the multipolarization micro-strip paster antenna of Zero order resonator;
Fig. 2 is the antenna scattering parameter sketch map among the embodiment;
Fig. 3 (a) is the antenna pattern of the mushroom-shaped Zero order resonator of second order on the xoy plane;
Fig. 3 (b) is the antenna pattern of conventional microsthp patch antennas on the xoy plane;
Fig. 3 (c) is that the utility model loads the antenna pattern of the multipolarization micro-strip paster antenna of Zero order resonator on the xoy plane;
Fig. 4 (a) is the antenna pattern of the mushroom-shaped Zero order resonator of second order on the yoz plane;
Fig. 4 (b) is the antenna pattern of conventional microsthp patch antennas on the yoz plane;
Fig. 4 (c) is that the utility model loads the antenna pattern of the multipolarization micro-strip paster antenna of Zero order resonator on the yoz plane.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Embodiment
The structural representation of the multipolarization micro-strip paster antenna of the utility model loading Zero order resonator is as shown in Figure 1, comprises that upper strata microstrip structure, relative dielectric constant are that 1-100, thickness are intermediate medium substrate 9 and the underlying metal floor of 0.1mm-5mm; The upper strata microstrip structure is arranged on the intermediate medium substrate 9, and it comprises 50 ohm microstrip transmission line 1, coupling feed 7 and antenna body.Microstrip transmission line 1 is separately positioned on the both sides of coupling feed 7 with coupling 7 vertical connections of feed, antenna body and microstrip transmission line 1; Between antenna body and the coupling feed 7 slit 8 is arranged.Wherein, antenna body is made up of with the square mushroom-shaped Zero order resonator of second order the micro-strip paster antenna 2 and 3 of rectangle, and the mushroom-shaped Zero order resonator of second order comprises upper strata microband paste 4 and the grounded metal post 5 and 6 that links to each other with the floor.The mushroom-shaped Zero order resonator of second order is between micro-strip paster antenna 2 and 3; Micro-strip paster antenna 2 and 3 and the mushroom-shaped Zero order resonator of second order carry out feed through same microstrip transmission line 1, i.e. the micro-strip paster antenna 2 and 3 and upper strata microband paste 4 simultaneously be coupled feed of microstrip transmission lines 1 through the 8 pairs of antenna bodies in slit.
Micro-strip paster antenna 2 is vertical with the mushroom-shaped Zero order resonator polarised direction of second order with 3, and micro-strip paster antenna 2 and 3 polarization are parallel to intermediate medium substrate 9, and the mushroom-shaped Zero order resonator polarised direction of second order is perpendicular to intermediate medium substrate 9.
Micro-strip paster antenna 2 and 3 length are about 1/2nd wavelength by the decision of the wavelength under the operating frequency, and its operating frequency is 3.68GHz.
In the utility model, the mushroom-shaped Zero order resonator of micro-strip paster antenna and second order is combined; The polarised direction of micro-strip paster antenna is the y direction; And antenna pattern is concentrated to the z positive direction, and the polarised direction of the mushroom-shaped Zero order resonator of second order is the z direction, and antenna pattern is that ring-type is positioned at the xy plane; Difference of both polarised directions and the different of directional diagram remedy each other, have enlarged the radiation coverage of antenna effectively.
Advantage for proof the utility model antenna; With the antenna in the present embodiment with have only the mushroom-shaped Zero order resonator of micro-strip paster antenna and second order to compare emulation separately; Shown in Figure 2 is the scattering parameter of the antenna in the present embodiment, and abscissa is a frequency, and ordinate is S11.Fig. 3 (a)-(c) and Fig. 4 (a)-(c) are depicted as the antenna pattern on the xoy plane and the yoz plane of three kinds of situation.Wherein solid line is represented the θ durection component of aerial radiation electric field strength in spherical coordinate, the φ durection component of dotted line representative aerial radiation electric field strength in spherical coordinate.Can see that from Fig. 3 (a), Fig. 3 (b) and Fig. 3 (c) the mushroom-shaped Zero order resonator of second order has remedied the deficiency of micro-strip paster antenna horizontal direction (xoy) radiation, the antenna omnidirectional property after the improvement is better; Can see that from Fig. 4 (a), Fig. 4 (b) and Fig. 4 (c) micro-strip paster antenna has remedied the mushroom-shaped Zero order resonator of second order at the zero point that vertical direction (z direction) exists, the aerial radiation in the present embodiment all has covering preferably at the upper half-space of intermediate medium substrate 9.
The exponent number of the mushroom-shaped Zero order resonator of the utility model is that n promptly has n grounded metal post.
The foregoing description is the utility model preferred implementation; But the execution mode of the utility model is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection range of the utility model.
Claims (8)
1. a multipolarization micro-strip paster antenna that loads Zero order resonator is characterized in that: comprise upper strata microstrip structure, intermediate medium substrate and underlying metal floor; Said upper strata microstrip structure is arranged on the one side of intermediate medium substrate; Comprise microstrip transmission line, coupling feed and antenna body: feed is vertical is connected with coupling for microstrip transmission line, and antenna body and microstrip transmission line are separately positioned on the both sides of the feed that is coupled; Antenna body and coupling have the slit between the feed, microstrip transmission lines through the slit to the antenna body feed that is coupled; Said antenna body is made up of two microband paste parts and zeroth order resonance portion, and the zeroth order resonance portion is arranged between two microband paste parts; Said zeroth order resonance portion by the upper strata microband paste and be vertically set on the upper strata microband paste and the intermediate medium substrate between the grounded metal post form.
2. the multipolarization micro-strip paster antenna of loading Zero order resonator according to claim 1; It is characterized in that: the microband paste part is vertical with zeroth order resonance portion polarised direction in the said antenna body; Microband paste partial polarization direction is parallel to the intermediate medium substrate, and zero resonance portion polarised direction is perpendicular to the intermediate medium substrate.
3. the multipolarization micro-strip paster antenna of loading Zero order resonator according to claim 1 is characterized in that: said microstrip transmission line through the slit to antenna body be coupled feed be meant microstrip transmission lines through the slit to the microband paste of antenna body part and the upper strata microband paste feed that is coupled simultaneously.
4. the multipolarization micro-strip paster antenna of loading Zero order resonator according to claim 1 is characterized in that: said microband paste partly is the micro-strip paster antenna of rectangle.
5. the multipolarization micro-strip paster antenna of loading Zero order resonator according to claim 4 is characterized in that: said micro-strip paster antenna length according to the wavelength decision of high band.
6. the multipolarization micro-strip paster antenna of loading Zero order resonator according to claim 1; It is characterized in that: said zeroth order resonance portion is the mushroom-shaped Zero order resonator of second order, and its unit is square and the middle grounded metal post in unit links to each other with the underlying metal floor.
7. the multipolarization micro-strip paster antenna of loading Zero order resonator according to claim 1 is characterized in that: said microstrip transmission line is 50 ohm a transmission line.
8. the multipolarization micro-strip paster antenna of loading Zero order resonator according to claim 1 is characterized in that: the relative dielectric constant of said intermediate medium substrate is 1-100, and thickness is 0.1mm-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200263179U CN202513285U (en) | 2012-01-18 | 2012-01-18 | Multi-polarization microstrip patch antenna for loading zero order resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200263179U CN202513285U (en) | 2012-01-18 | 2012-01-18 | Multi-polarization microstrip patch antenna for loading zero order resonator |
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| CN202513285U true CN202513285U (en) | 2012-10-31 |
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| CN2012200263179U Expired - Fee Related CN202513285U (en) | 2012-01-18 | 2012-01-18 | Multi-polarization microstrip patch antenna for loading zero order resonator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570043A (en) * | 2012-01-18 | 2012-07-11 | 华南理工大学 | Multi-polarization microstrip patch antenna loading zero-order resonator |
| WO2015021768A1 (en) * | 2013-08-15 | 2015-02-19 | 清华大学 | Waveguide horn array and method therefor, and antenna system |
| CN105075007A (en) * | 2013-03-26 | 2015-11-18 | 三星电子株式会社 | Planar antenna apparatus and method |
| CN106025526A (en) * | 2016-05-10 | 2016-10-12 | 北京理工大学 | Polarized sensitive array antenna |
| CN108666753A (en) * | 2018-05-15 | 2018-10-16 | Oppo广东移动通信有限公司 | A kind of antenna assembly and mobile terminal |
-
2012
- 2012-01-18 CN CN2012200263179U patent/CN202513285U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570043A (en) * | 2012-01-18 | 2012-07-11 | 华南理工大学 | Multi-polarization microstrip patch antenna loading zero-order resonator |
| CN102570043B (en) * | 2012-01-18 | 2014-05-07 | 华南理工大学 | Multi-polarization microstrip patch antenna loading zero-order resonator |
| CN105075007A (en) * | 2013-03-26 | 2015-11-18 | 三星电子株式会社 | Planar antenna apparatus and method |
| US10074905B2 (en) | 2013-03-26 | 2018-09-11 | Samsung Electronics Co., Ltd. | Planar antenna apparatus and method |
| CN105075007B (en) * | 2013-03-26 | 2018-09-11 | 三星电子株式会社 | Planar antenna apparatus and method for emitting signal |
| WO2015021768A1 (en) * | 2013-08-15 | 2015-02-19 | 清华大学 | Waveguide horn array and method therefor, and antenna system |
| CN104377450A (en) * | 2013-08-15 | 2015-02-25 | 清华大学 | Waveguide horn array, waveguide horn array method and antenna system |
| CN104377450B (en) * | 2013-08-15 | 2016-12-28 | 清华大学 | Waveguide trumpet array and method thereof and antenna system |
| CN106025526A (en) * | 2016-05-10 | 2016-10-12 | 北京理工大学 | Polarized sensitive array antenna |
| CN106025526B (en) * | 2016-05-10 | 2018-07-27 | 北京理工大学 | A kind of polarization sensitive array antenna |
| CN108666753A (en) * | 2018-05-15 | 2018-10-16 | Oppo广东移动通信有限公司 | A kind of antenna assembly and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20150118 |
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| EXPY | Termination of patent right or utility model |