CN105849972A - Planar antenna - Google Patents

Planar antenna Download PDF

Info

Publication number
CN105849972A
CN105849972A CN201580003294.6A CN201580003294A CN105849972A CN 105849972 A CN105849972 A CN 105849972A CN 201580003294 A CN201580003294 A CN 201580003294A CN 105849972 A CN105849972 A CN 105849972A
Authority
CN
China
Prior art keywords
conductive
plane
flat
antenna
flat conductive
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.)
Pending
Application number
CN201580003294.6A
Other languages
Chinese (zh)
Inventor
I.马斯里
T.沃翁格
S.B.格艾
P.布兰克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric SE
Schneider Electric Industries SAS
Original Assignee
Schneider Electric SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schneider Electric SE filed Critical Schneider Electric SE
Publication of CN105849972A publication Critical patent/CN105849972A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

The invention concerns a method for producing a planar antenna comprising at least one radiating source with a wavelength lambd a and at least one conducting plane combined with said radiating source. Said method involves cutting the conducting plane into a plurality of planar conductive surfaces in order for at least the surface closest to the source to have a shape and dimensions such that the area thereof is between (lambda 2/16) and (3.lambda 2/8), and connecting said planar conductive surfaces by means of a conductive blade having a surface area which is smaller than those of the conductive surfaces, such as to reduce the coupling between said planar surfaces and the induced current leakages.

Description

Flat plane antenna
Technical field
The present invention relates to field of antenna, more particularly, to one manufacture comprise at least one radiation source with And the method for the flat plane antenna of at least one conductive plane being associated with described radiation source.
The invention still further relates to one and comprise at least one radiation source and at least one is relevant to described radiation source The flat plane antenna of the conductive plane of connection.
The invention still further relates to a kind of transceiver comprising such a flat plane antenna.
Background technology
Fig. 1 illustrates flat plane antenna 1, and flat plane antenna 1 comprises source 2, and source 2 is coupled in and comprises n superposition The conductive plane 4 of layer, when powering up source 2, it is suitable for generating the electricity around conductive plane 4 radiation Field and magnetic field.Such as, antenna 1 can be the antenna being printed on electron plate, in this case, leads Level face 4 is the power plane of electron plate.Owing to antenna is neighbouring with conductive plane 4, source 2 is radiated Magnetic field generates faradic current on the surface of each layer of conductive plane 4.This electric current is in the performance side of antenna Face played an important role.Actually have been noted that conductive plane 4 the surface impedance to antenna, The shape of bandwidth, efficiency and radiation pattern has impact.More specifically, have been noted that for tool There is the antenna of operation wavelength λ, more than (λ2The surface area of the conductive plane 4 of/(16) can cause the spoke of antenna Penetrate pattern and the gain distortion at one or more direction in spaces.
In the case of IFA type antenna (inverse F antenna) shown in figure 2, it is shown that such function One example of obstacle.
Antenna shown in Fig. 2 has near the rectangular conductive plane 4 that 125mm length and 50mm are wide The operating frequency of 2.5GHz.Fig. 3 shows radiation pattern 3D of this antenna.From this figure permissible Finding out, the radiation of antenna 2 is concentrated mainly near the low side of conductive plane 4, and at this conductive plane Adjacent central portion there is strong distortion.Maximum gain is 4.7dB, and at the low side pair of conductive plane 4 It is measured, and on the horizontal plane of the core of conductive plane 4, measured gain is less than-6dB. Then, which results in the loss of 10dB between low side and core.
Fig. 4 and Fig. 5 is the projection in the plane of Fig. 3.
In the Fig. 4 of the projection shown in plane yz, (there is the opening of 38 ° (at-3dB at-135 ° respectively Place)) place and at-45 ° of (there is the opening of 38 °) places it can be seen that two main lobes (lobe).Lobe Maximum gain is 4.4dB.On core, maximum gain is-6dB, and side wave lobe has-3.9dB's Gain.
In the Fig. 5 of the projection shown in plane xy, (there is the opening of 30 ° (at-3dB at-50 ° respectively Place)) place and at-130 ° of (there is the opening of 40 °) places it can be seen that two main lobes.Increasing most of lobe Benefit is 4.7dB.On core, maximum gain is-6dB, and side wave lobe has the gain of-2dB.
Show that Fig. 6 of the accommodation curve of the antenna of Fig. 2 shows the low bandwidth at 143MHz, i.e. 2.5 GHz is about the low bandwidth of 5% up and down.
Fig. 7 illustrates the distribution of the electric current sensed on the surface of the conductive plane 4 of the antenna IFA of Fig. 2.This One Fig. 7 shows the heavy current loss on the whole surface of described conductive plane 4.All along having with maximum Conductive plane 4 distributed current of about-20dB (A/m) density that density is relevant.
The prior art of the impact of antenna performance is included by a kind of conductive plane 4 that reduces: radiation source 2 separate a segment distance with conductive plane 4 phase, can limit their interaction.
This scheme does not accounts for manufacturing the mechanical stress that the flat plane antenna being integrated on printed circuit is run into And obstacle.
In place of it is an object of the invention to overcome the deficiencies in the prior art shown above.
Summary of the invention
Realizing this purpose by the method manufacturing flat plane antenna, this flat plane antenna includes that at least one radiates There is source and at least one conductive plane being associated with described source in the magnetic field of wavelength X.
Method according to the present invention, is divided into conductive plane that multiple continuous print is flat leads as follows Ammeter face: at least immediate with described source surface has its surface area and is in (λ2/ 16) and (3. λ2/ 8) between Shape and dimension, and via surface area less than conductive surface conductive strips conductive strips connect two The flat conductive surface of continuous print, to reduce the coupling between sensing leakage current and described flat surface.
Preferably, described flat conductive surface and described flat conductive strips have polygonal shape.
According to first embodiment, flat conductive surface peace conductive strips have rectangular shape.
According to the second embodiment, flat conductive surface peace conductive strips have square shape.
As selection, described flat conductive strips have less than or equal to (λ2/ 100) surface area.
Accompanying drawing explanation
Referring to the drawings, in the description that carried out by non-limiting example, the present invention can be found Other characteristic and advantage, wherein:
Fig. 1 (described above) illustrates the vague generalization architecture of prior art flat plane antenna；
Fig. 2 (described above) illustrates prior art IFA type antenna (inverse F antenna)；
Fig. 3 and Fig. 4～5 (described above) respectively illustrates 3D radiation pattern and the 2D of the antenna of Fig. 2 Polar radiations pattern；
Fig. 6 shows the accommodation curve of the antenna of Fig. 2；
The distribution of the surface current on the conductive plane of the antenna that Fig. 7 illustrates Fig. 2；
Fig. 8 illustrates the first example of the IFA type antenna that the method according to the invention is realized；
Fig. 9 is radiation pattern 3D of the antenna of Fig. 8；
Figure 10 and Figure 11 shows the polar radiations pattern 2D of the antenna of Fig. 8；
Figure 12 shows the accommodation curve of the antenna of Fig. 8；
The distribution of the surface current on the conductive plane of the antenna that Figure 13 illustrates Fig. 8；
Figure 14 illustrates the second example of the monopole type antenna that the method according to the invention is realized.
Detailed description of the invention
In the following description, instruction prior art antenna and inventive antenna are had by identical reference Characteristic.
Fig. 8 illustrates flat plane antenna 10, and flat plane antenna 10 comprises the source 2 in the magnetic field that radiation wavelength is λ, And comprise the conductive plane 4 of n the superimposed layer (being shown the most in the figure) being associated with source 2. Conductive plane 4 comprises 3 flat conductive surfaces of continuous print 10,11 and 12, and each has rectangle shape Shape.Each surface area of the flat conductive surface of continuous print 10,11 and 12 is positioned at (λ2/ 16) and (3. λ2/ 8) between. By segmentation conductive plane 4 each layer obtained and also have less than conductive surface 10,11 with And the conductive strips 8 of surface area of the surface area of 12 connect two flat conductive surfaces of continuous print 6.
Antenna described in Fig. 8 has the operating frequency of 2.5GHz, and comprises 125mm length and 50mm width Rectangular conductive plane 4.Fig. 9 shows radiation pattern 3D of this antenna, illustrated in Figure 1 where it can be seen that around The radiation that the core of conductive plane 4 is evenly distributed.
Maximum gain is 2dB, and measures it about the core of conductive plane 4, and Gain measured by two end points of conductive plane 4 is 0dB.
Figure 10 and Figure 11 is the projection in the plane of Fig. 9.
In the Figure 10 of the projection shown in plane yz, respectively+4 ° (there is the opening (-3dB) of 103 °) Place and at 177 ° of (there is the opening of 103 °) places it can be seen that two main lobes.The maximum gain of lobe is 2.3dB.This illustrates the uniformity of radiation in plane yz.
In the Figure 11 of the projection shown in plane xy, respectively+170 ° (have 123 ° opening ( -3dB locates)) place and at 10 ° of (there is the opening of 123 °) places it can be seen that two main lobes.Lobe is Large gain is 0.8dB.
In illustrate the accommodation curve of antenna of Fig. 8 12, it can be seen that the antenna of Fig. 2 relatively, Significantly enhance bandwidth, increased to 237MHz, i.e. at 2.5GHz about 10%.
On the surface of the conductive plane 4 that Figure 13 illustrates the antenna IFA of Fig. 8 faradic density point Cloth.In this figure, it can be seen that being greatly reduced of the electric current on the whole surface of conductive plane 4. Maximum closest to described density on the flat surface 10 in source 2, central, flat 11 reduces, and farthest Actual on the flat surface 12 in described source is 0.
On antenna shown in fig. 14, independent of flat surface 10,11,12 and of segmentation on conductive plane 13, source 2 is arranged on ground level 20.In this case, enter by the mode identical with the antenna of Figure 13 The segmentation of row conductive plane, is wherein set directly at source 2 on first flat surface 10 of conductive plane.
Noting, the antenna of Figure 13 and Figure 14 comprises the flat conductive surface of continuous print of more than 3, described continuous print Flat conductive surface has any polygonal shape being optimized in terms of following two: on the one hand allow Its installation on printed circuit, on the other hand can maintain (λ they corresponding surface areas2/ 16) and (3.λ2/ 8) between.Flat conductive strips 8 also can have surface area less than (λ2/ 100) any polygonal shape.
For example, it is possible to being integrated in the transceiver of such as remote controller according to the antenna of the present invention, or collection Become in mobile phone, tablet PC, router or microcomputer.
It will be apparent that according to the segmentation of the conductive plane 4 of the present invention significantly improve the impedance of antenna, bandwidth, Efficiency and radiation pattern shape.

Claims (12)

1. the method manufacturing flat plane antenna, described flat plane antenna comprises at least one radiation with wavelength X Source (2) and at least one conductive plane (4) being associated with described radiation source (2), described method It is characterised by, as follows conductive plane is divided into multiple flat conductive surface (10,11,12): extremely Few and immediate surface, described source has its surface area and is in (λ2/ 16) and (3. λ2/ 8) shape between with Dimension, and the conductive strips (8) of the surface area of conductive surface (10,11,12) it are less than via surface area Connect two the flat conductive surface of continuous print (10,11,12), to reduce sensing leakage current and described flat surface (10,11,12) coupling between.
Method the most according to claim 1, wherein, described flat conductive surface (10,11,12) and institute State flat conductive strips (8) and there is polygonal shape.
Method the most according to claim 1, wherein, described flat conductive surface (10,11,12) and institute State flat conductive strips (8) and there is rectangular shape.
Method the most according to claim 1, wherein, described flat conductive surface (10,11,12) and institute State flat conductive strips (8) and there is square shape.
Method the most according to claim 3, wherein, described flat conductive strips (8) have less than or Equal to (λ2/ 100) surface area.
6. according to the method described in claim 4 or 5, wherein, at the conductive plane (4) of multiple superpositions The described flat conductive surface of upper segmentation (10,11,12) and described flat conductive strips (8).
7. flat plane antenna, comprises at least one radiation source (2) and at least one is with described radiation source (2) The conductive plane (4) being associated, it is characterised in that described conductive plane (4) comprises multiple continuous print Flat conductive surface (10,11,12), wherein, at least immediate with described source surface has its surface area It is in (λ2/ 16) and (3. λ2/ 8) shape between and dimension, and by surface area less than conductive surface (10,11,12) conductive strips (8) of surface area connect two the flat conductive surface of continuous print (10,11,12).
Antenna the most according to claim 7, it is characterised in that each flat conductive surface (10,11,12) With each flat conductive strips (10,11,12), there is polygonal shape.
Antenna the most according to claim 7, wherein, each surface conductance plane (10,11,12) With each flat conductive strips (10,11,12), there is square shape.
Antenna the most according to claim 7, wherein, each surface conductance plane (10,11,12) With each flat conductive strips (10,11,12), there is rectangular shape.
11. antennas according to claim 7, comprise the conductive plane of at least two superposition.
12. transceivers, it is characterised in that it comprises according to the antenna one of claim 7～11 Suo Shu.
CN201580003294.6A 2014-01-10 2015-01-07 Planar antenna Pending CN105849972A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1450175 2014-01-10
FR1450175A FR3016480B1 (en) 2014-01-10 2014-01-10 PLANAR ANTENNA
PCT/EP2015/050167 WO2015104291A1 (en) 2014-01-10 2015-01-07 Planar antenna

Publications (1)

Publication Number Publication Date
CN105849972A true CN105849972A (en) 2016-08-10

Family

ID=50624747

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580003294.6A Pending CN105849972A (en) 2014-01-10 2015-01-07 Planar antenna

Country Status (5)

Country Link
EP (1) EP3092680A1 (en)
CN (1) CN105849972A (en)
FR (1) FR3016480B1 (en)
TW (1) TW201532340A (en)
WO (1) WO2015104291A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1545749A (en) * 2001-09-13 2004-11-10 �����ɷ� Multilevel and space-filling ground-plane for miniature and multiband antenna
WO2006032455A1 (en) * 2004-09-21 2006-03-30 Fractus, S.A. Multilevel ground-plane for a mobile device
US20060250310A1 (en) * 2005-05-05 2006-11-09 Shih-Huang Yeh Wireless apparatus capable of controlling radiation patterns of antenna
WO2007039071A2 (en) * 2005-09-19 2007-04-12 Fractus, S.A. Antenna set, portable wireless device, and use of a conductive element for tuning the ground-plane of the antenna set

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1545749A (en) * 2001-09-13 2004-11-10 �����ɷ� Multilevel and space-filling ground-plane for miniature and multiband antenna
WO2006032455A1 (en) * 2004-09-21 2006-03-30 Fractus, S.A. Multilevel ground-plane for a mobile device
US20060250310A1 (en) * 2005-05-05 2006-11-09 Shih-Huang Yeh Wireless apparatus capable of controlling radiation patterns of antenna
WO2007039071A2 (en) * 2005-09-19 2007-04-12 Fractus, S.A. Antenna set, portable wireless device, and use of a conductive element for tuning the ground-plane of the antenna set

Also Published As

Publication number Publication date
WO2015104291A1 (en) 2015-07-16
TW201532340A (en) 2015-08-16
EP3092680A1 (en) 2016-11-16
FR3016480B1 (en) 2016-02-19
FR3016480A1 (en) 2015-07-17

Similar Documents

Publication Publication Date Title
CN108023178A (en) A kind of directional diagram reconstructable aerial and its phased array
CN106935963A (en) High isolation dual polarized circumferential weld microband antenna unit
CN101183744B (en) Patch antenna with non-integrity bandgap structure
CN101872894A (en) Medium resonator antenna with reconfigurable directional diagram and phased array thereof
CN101719593B (en) Broadband multi-frequency omni-directional array antenna
CN105048079B (en) A kind of omni-directional circular polarization plane antenna
CN204424458U (en) Dual polarization slotted guide antenna battle array
CN106207494A (en) A kind of minimized wide-band low profile antenna array
Fertas et al. Multiband microstrip antenna array for modern communication systems
CN108011186A (en) Directional diagram reconstructable wide-angle scanning Phased Array Antenna based on tensor impedance surface
Ali et al. Design and analysis of microstrip Yagi antenna for Wi-Fi application
CN202737099U (en) WLAN anti-interference antenna
CN104638374B (en) A kind of C/X two wavebands Shared aperture Waveguide slot array antenna
Zhang et al. Aperture sharing metasurface-based wide-beam antenna for energy harvesting
Tang et al. A low sidelobe and high gain omni-directional COCO antenna array
CN107968264B (en) Polygonal loop antenna, communication device, and antenna manufacturing method
Deshmukh et al. Broadband proximity fed modified circular microstrip antenna
CN105849972A (en) Planar antenna
CN115224494A (en) Dual-frequency dual-polarization common-aperture antenna and antenna array
Sha et al. A Beam-Steering Antenna Using Characteristic Mode Analysis
CN207459192U (en) Antenna
CN209561600U (en) A kind of wide band high-gain microstrip antenna
Kozuki et al. Layered butler matrix circuit for vertical multi beam of cellular base station antenna
CN105071047A (en) Multi-band micro-strip antenna with expanded impedance bandwidth
CN104659481B (en) Linear polarization cavity-backed radiator antenna with low-cross polarization characteristic

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160810