CN1455474A - Multi-waveband microband paster antenna - Google Patents

Multi-waveband microband paster antenna Download PDF

Info

Publication number
CN1455474A
CN1455474A CN 03130707 CN03130707A CN1455474A CN 1455474 A CN1455474 A CN 1455474A CN 03130707 CN03130707 CN 03130707 CN 03130707 A CN03130707 A CN 03130707A CN 1455474 A CN1455474 A CN 1455474A
Authority
CN
China
Prior art keywords
metal patch
metal
epsiv
ground plate
shorting pin
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
Application number
CN 03130707
Other languages
Chinese (zh)
Other versions
CN1283024C (en
Inventor
刘元安
阿卜杜克里穆
何珏
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.)
Beijing University of Posts and Telecommunications
Original Assignee
Beijing University of Posts and Telecommunications
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 Beijing University of Posts and Telecommunications filed Critical Beijing University of Posts and Telecommunications
Priority to CN 03130707 priority Critical patent/CN1283024C/en
Publication of CN1455474A publication Critical patent/CN1455474A/en
Application granted granted Critical
Publication of CN1283024C publication Critical patent/CN1283024C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

An antenna comprises a piece of metals paster, a piece of metallic earth plate parallel to the metals paster and the insulated filling medium positined between the paster and the earth plate. It is characterized in that several short circuit pins for loads and a feeding probe are installed vertically between the paster and the earth plate. The pins installed at the end near the end of the metals paster are utilized to excitate several discrete resonant frequencies in order to realize the multiband emission or reception. The feeding probe is installed at the position deviated from the horizontal axle line of the metals paster and far from the end, where the pins are installed in order to reduce the infrence on the input impedance. The paster, the earth plate and the pins are made from copper. The probe is made from coaxial line or microwave adapter. The antenna has the features of small size, low cost, simple structure and easy to integrate with other devices.

Description

The multiband micro-strip paster antenna
Technical field
The present invention relates to a kind of multiband micro-strip paster antenna that is applied to radio communication, belong to resonant mode microstrip antenna technical field.
Background technology
In recent years, people constantly increase information and multimedia communications system demand, and communication network also constantly expands.Now, academia and engineering circle have been carried out a lot of explorations and effort in two waveband and triband microstrip antenna field, and main direction is to improve the common little bandwidth of operation of probe feed single-slice single-layer microstrip antenna.
Now, there have been many methods to be used to realize the small capacity double frequency microstrip antenna.Comprising being that paster loads with shorting pin or slit, and use straight-flanked ring.Various forms of loadings all are to realize by the resonance frequency that various patterns on its field distribution of disturbance and its paster of change constitute.Frequency ratio between needed different mode can be determined by choosing suitable loading position or heap(ed) capacity, and frequency tuning can be realized by the size that changes rectangular patch, and it realizes with frequency ratio irrelevant.
The form that loads with electrical short has been used as a kind of traditional technological means and has been applied to reduce antenna size continually, realizes two-frequency operation and changes aspects such as polarization characteristic.
The field disturbance that is produced by shorting pin substantially is very complicated, can't be described with simple perturbation.In fact, shorting pin can be used as shunt inductance to the influence of input impedance and describes under some concrete condition.According to the difference of application purpose, shorting pin can be carried on the edge or center line of paster.An independent shorting pin that is positioned at one jiao of a rectangular patch can make antenna size be cut down to greatest extent.The simplest method that realizes short circuit in paster antenna is to utilize guide hole (as covering the guide hole of Copper Foil around the hole wall on the printed circuit board) or metal pin that paster metal and ground plate are linked together.Strengthen loading effect if desired, can use several pin that is close together or bonding jumpers at the edge of paster usually.
The multiband technology of antenna exists many shortcomings now, wherein mainly be all more complicated of structure and feed system: most of existing multiband antennas are provided with the slab construction that comprises two-layer different medium, perhaps have such as very complicated structure such as helical form paster, metal cavitg, coupling loading.Therefore complex process, required precision height, cost height, the rate of finished products of making processing are low, also are difficult for becoming one with miscellaneous equipment.
Summary of the invention
The purpose of this invention is to provide a kind of multiband micro-strip paster antenna that is applicable to radio communication.This device is in the multiband work that realizes antenna, and also have following characteristics: size is little, and cost is low, and is simple in structure, is easy to other equipment integrated etc.
The object of the present invention is achieved like this: a kind of multiband micro-strip paster antenna includes: metal patch, metal ground plate parallel with metal patch and the insulation filling medium between metal patch and metal ground plate; It is characterized in that: this antenna is vertically installed with between metal patch and metal ground plate: the shorting pin that several are used to load and a feed probes, the described shorting pin that several are used to load is installed in metal patch one end, to excite a plurality of discrete resonant frequencies, realize multiband emission or reception; The horizontal median axis of metal patch is departed from the installation site of described feed probes, and away from an end of installing shorting pin on the metal patch, to reduce because of the influence of shorting pin to input impedance.
Described metal patch, metal ground plate and shorting pin are to make with high conductivity metal (as copper, copper alloy) or the surperficial material that is coated with high conductivity metal, and described feed probes is to make with the coaxial cable or the microwave junction of the coaxial configuration with inner wire, inner insulating layer, outer conductor and external insulation layer.
The described shorting pin that several are used to load is vertical arrangement and is installed in metal patch one end with forming a linearity, and its line is parallel with the edge of metal patch, and each pin is that axial symmetry distributes with the horizontal median axis of paster; The diameter of described shorting pin should be not more than 1mm, and its diameter is more little, and performance is good more.
The best position of the described shorting pin that several are used to load is the edge that is positioned at metal patch, and promptly the edge of the external diameter of this shorting pin and metal patch is tangent.
The quantity of described several shorting pins determines the quantity of the resonance frequency of this antenna, promptly uses the individual shorting pin of K (K is a natural number) may cause K discrete resonant frequencies at most; Different resonance frequencys can be realized in the different installation sites of each shorting pin.
The installation of described feed probes is that inner wire with coaxial cable or microwave junction is as probe, circular hole from metal ground plate passes, the aperture of this circular hole should be slightly larger than this inner wire diameter, is filled with insulating material between inner wire and circular hole hole wall, insulate to keep both; This inner wire probe extends upwardly to described metal patch below and is connected with this metal patch perpendicular to the metal ground plate plane, and this probe and this metal patch connection are distributing point; The outer conductor of coaxial cable or microwave junction is connected with this metal ground plate below this metal ground plate.
Described distributing point should be away from described shorting pin, and the position of this distributing point will be in 1/2 zone of being divided by the center line that parallels with these a plurality of shorting pin lines on the described metal patch away from shorting pin at least.
Described metal patch is rectangular, and its thickness is not more than 0.1mm, and the size of its length L and width W and the design parameter of antenna resonant frequency are: L = 1 2 f 0 ϵ e μ 0 ϵ 0 - 2 ΔL W = 1 2 f 0 μ 0 ϵ 0 ( ϵ r + 1 2 ) - 1 2
W/h 〉=1 o'clock: ϵ e = ϵ r + 1 2 + ϵ r - 1 2 ( 1 + 12 h L ) - 1 2
W/h≤1 o'clock: ϵ e = ϵ r + 1 2 + ϵ r - 1 2 ( 1 + 12 h L ) - 1 2 + 0.04 ( 1 - W / h ) 2 ΔL = 0.412 h ( ϵ e + 0.3 ) ( L / h + 0.264 ) ( ϵ e - 0.258 ) ( L / h + 0.8 )
In the formula: f 0Be the resonance frequency of antenna or the centre frequency of its working band; ε 0Be permittivity of vacuum or dielectric constant; μ 0It is permeability of vacuum; ε rIt is the relative permittivity of medium; Δ L is equivalent radiating slot width; ε eIt is the effective capacitance rate; H is the height between metal ground plate and the metal patch, and its numerical value depends on the needs of practical application.
The thickness of described metal ground plate is not more than 1mm, and its length and width all should be than the big at least 20mm of described metal patch.
Described insulation filling medium between metal patch and metal ground plate recommend to use air, and be respectively equipped with a radius at described metal patch four jiaos this moment, and to be not more than 1mm, length be that the common ambroin rod of h is supported between metal patch and the metal ground plate.
The present invention is a kind of novel structure, simple, practical multiband micro-strip paster antenna, and good bandwidth and radiation efficiency can be provided simultaneously, and this antenna can be used for the various Wireless Telecom Equipments that need multiband antenna.Its main feature is: adopt the single-layer metal paster as antenna, and simple in structure; And physical dimension is little, in light weight, is easy to be integrated in the various devices; Feed system is also very simple, has only single probe feed.Therefore the present invention compares with other baroque antennas, and is cheap for manufacturing cost, has popularizing application prospect preferably.
Description of drawings
Fig. 1 is the vertical view that multiband micro-strip paster antenna structure of the present invention is formed.
Fig. 2 is the vertical view of one embodiment of the invention-triband micro-strip paster antenna.
Fig. 3 is that the master of an embodiment shown in Figure 1 looks cutaway view.
Fig. 4 is the end view of an embodiment shown in Figure 1.
Fig. 5 is the antenna return loss figure of an embodiment shown in Figure 1.
Fig. 6 is the antenna gain pattern of an embodiment shown in Figure 1.
Fig. 7 (A), (B)～Fig. 9 (A), (B) are respectively magnetic field radiation directional diagram and the electric field radiation directional diagram of the antenna of an embodiment shown in Figure 2 three resonance frequencys (f0 is respectively 1.83GHz, 2.16GHz and 2.74GHz).
Embodiment
Referring to Fig. 1, the present invention is a kind of multiband micro-strip paster antenna, includes: a block length is parallel metal ground plate 2 and the insulation filling medium between metal patch 1 and metal ground plate 2 of rectangular metal paster 1, one and the metal patch 1 of W for the L width; This antenna is vertically installed with between metal patch 1 and metal ground plate 2: the shorting pin 4 that a feed probes 3 and a plurality of (being illustrated as 4) are used to load, these shorting pins 4 are used to excite a plurality of discrete resonant frequencies, realize the multiband emission or the reception of antenna.Four shorting pins 4 are the end that vertical arrangement is installed in metal patch 1 with forming a linearity among the figure, and its line is parallel with the edge of metal patch 1; Its best position is the edge that is positioned at metal patch 1, and promptly the edge of the external diameter of these shorting pins 4 and metal patch 1 is tangent.Distance between each pin 4 is that axial symmetry distributes with the horizontal median axis of metal patch 1; Four shorting pins 4 shown in Figure 1 coordinate position in the x-y of metal patch 1 two dimensional surface (this coordinate system is that the mid point with one side of metal patch 1 is an initial point, and this limit is the y axle, and vertically the center line on this limit is the x axle) is respectively: (x 1, y 1), (x 1, y 2), (x 1,-y 2) and (x 1,-y 1).The diameter of each shorting pin 4 should be not more than 1mm, and its diameter is more little, and performance is good more.In the present invention, the quantity of several shorting pins 4 determines the quantity of the resonance frequency of this antenna, as shown in Figure 1, uses 4 shorting pins may cause 4 discrete resonant frequencies at most, and different resonance frequencys can be realized in the different installation sites of each shorting pin.Coordinate (the x of feed probes 3 0, y 0) then according to the designing requirement decision, the operating frequency range of its installation site decision antenna; If the position of mobile distributing point, the operating frequency of antenna scope also will change thereupon.
Referring to Fig. 2～Fig. 4, it forms structure below in conjunction with illustrated one embodiment of the invention-triband micro-strip paster antenna-further specify.The present invention is a kind of multiband micro-strip paster antenna, includes: metal ground plate 2 and the insulation filling medium 5 between metal patch 1 and metal ground plate 2 that metal patch 1, one and metal patch 1 are parallel; This antenna is vertically installed with between metal patch 1 and metal ground plate 2: the shorting pin 4 that a feed probes 3 and several (being illustrated as 3) are used to load, these shorting pins 4 are used to excite a plurality of discrete resonant frequencies, realize the multiband emission or the reception of antenna.
One end of these shorting pins 4 connects the paster edge of metal patch 1, and the other end connects metal ground plate 2 and perpendicular to metal ground plate 2.Electrical connection among the present invention between the various hardwares all is to adopt soldering to realize.Three shorting pins 4 are the end that vertical arrangement is installed in metal patch 1 with forming a linearity, and its line is parallel with the edge of metal patch 1; They all are positioned at the edge of metal patch 1-be in best position.Distance between each pin 4 is that axial symmetry distributes with the horizontal median axis of metal patch 1; Illustrated three shorting pin 4 radiuses are 0.1mm, (this coordinate system is that the mid point with one side of metal patch 1 is an initial point at the x-y of metal patch 1 two dimensional surface, this limit is the y axle, the center line on vertical this limit is the x axle) in coordinate position be respectively: (0.1,38), (0.1,0), (0.1 ,-38).The diameter of each shorting pin 4 should be not more than 1mm, and its diameter is more little, and performance is good more.In the present invention, the quantity of shorting pin 4 determines the quantity of the resonance frequency of this antenna, and as shown in Figure 2,3 shorting pins may cause 3 discrete resonant frequencies at most, and the different installation sites of each shorting pin, can realize different resonance frequencys.
The material of metal patch 1 of the present invention, metal ground plate 2 and shorting pin 4 is materials that high conductivity metal or surface are coated with high conductivity metal, be to use metallic copper among this embodiment, feed probes 3 is to make with the coaxial cable or the microwave junction of coaxial configuration with inner wire 31, inner insulating layer, outer conductor 32 and external insulation layer, among the embodiment is with the coaxial cable of characteristic impedance 50 Ω its terminal a part of outer conductor and insulating barrier to be divested to make afterwards.
Referring to Fig. 3 and Fig. 4, the installation of feed probes 3 is that inner wire 31 with coaxial cable or microwave junction is as probe, circular hole from metal ground plate 2 passes, the aperture of this circular hole should be slightly larger than this inner wire 31 diameters, between inner wire 31 and circular hole hole wall, be filled with insulating material 7, insulate to keep both.This inner wire probe 31 is perpendicular to metal ground plate 2 planes, and the below that extends upwardly to metal patch 1 is connected with this metal patch 1, and this probe 31 is distributing point with this metal patch 1 connection.The outer conductor 32 of coaxial cable or microwave junction is connected with this metal ground plate 2 below this metal ground plate 2.The installation site of distributing point is according to designing requirement decision, the operating frequency range of its determining positions antenna; If the position of mobile distributing point, the operating frequency of antenna scope also will change thereupon.Usually, feed probes 3 should depart from the horizontal median axis of metal patch 1, and away from an end of installing shorting pin 4 on the metal patch 1, promptly to be at least in 1/2 zone of dividing by the center line that parallels with these a plurality of shorting pin 4 lines on the metal patch 1, to reduce influence because of 4 pairs of input impedance of shorting pin away from shorting pin 4; Fig. 2 has showed that the coordinate position of distributing point 3 in the x-y of metal patch 1 two dimensional surface is: (72,17.68).
Metal patch of the present invention 1 is rectangular, and embodiment shown in Figure 2 is a square, and its length of side is 80mm; Parallel with metal ground plate 2; Its thickness can be regulated, but can not be greater than 0.1mm, and the size of its length L and width W and the design parameter of antenna resonant frequency are: L = 1 2 f 0 ϵ e μ 0 ϵ 0 - 2 ΔL W = 1 2 f 0 μ 0 ϵ 0 ( ϵ r + 1 2 ) - 1 2
In the formula: f 0Be the resonance frequency of antenna or the centre frequency of its working band; ε 0Be permittivity of vacuum or dielectric constant; μ 0It is permeability of vacuum; ε rIt is the relative permittivity of medium; Δ L is equivalent radiating slot width; ε eIt is the effective capacitance rate; H is the height between metal ground plate and the metal patch, and its numerical value depends on the needs of practical application.
The thickness of metal ground plate 2 of the present invention also can be regulated, but can not be greater than 1mm, its length and width all should be respectively than the length L and the big at least 20mm of width W of metal patch 1; The size that is M among Fig. 1 and Fig. 2 and N all should be more than 10mm.Other relevant CALCULATION OF PARAMETERS formula is:
W/h 〉=1 o'clock: ϵ e = ϵ r + 1 2 + ϵ r - 1 2 ( 1 + 12 h L ) - 1 2
W/h≤1 o'clock: ϵ e = ϵ r + 1 2 + ϵ r - 1 2 ( 1 + 12 h L ) - 1 2 + 0.04 ( 1 - W / h ) 2 ΔL = 0.412 h ( ϵ e + 0.3 ) ( L / h + 0.264 ) ( ϵ e - 0.258 ) ( L / h + 0.8 )
In the formula: ε eIt is the effective capacitance rate; ε rIt is the relative permittivity of medium; Δ L is equivalent radiating slot width; L is the length of metal patch; W is the width of metal patch.The height h=8mm of illustrated embodiment.
The filled media 5 of the present invention between metal patch 1 and metal ground plate 2 can be various insulating material, recommends to use air, its relative dielectric constant (relative permittivity) ε r=1.Be respectively equipped with a radius at metal patch 1 four jiaos this moment, and to be not more than 1mm, length be that the common ambroin rod 6 of h is supported between metal patch 1 and the metal ground plate 2.
Referring to Fig. 5～Fig. 9, the present invention by the installation site of distance, each shorting pin and the distributing point of size, metal patch and the metal ground plate of metal patch is calculated and and rationally arrange, make the embodiment antenna of in above-mentioned Fig. 2～Fig. 4, showing have three discrete resonant frequencies: f 01=1.83GHz, f 02=2.16GHz and f 03=2.74GHz.Fig. 5 has illustrated that return loss at above-mentioned three resonance frequency places all less than 10dB, satisfies requirement of actual application.Fig. 6 has illustrated that then the peak gain on these three resonance frequencys is respectively 9.4dB, and 9.6dB and 0.24dB can realize tri-band operation.Each accompanying drawing in Fig. 7 (a) and (b)～Fig. 9 (a) and (b) has then been showed the magnetic field radiation directional diagram (a) and the electric field radiation directional diagram (b) at above-mentioned three resonance frequency places respectively, as seen from the figure, the directional pattern on these three resonance frequencys also is more satisfactory.

Claims (10)

1, a kind of multiband micro-strip paster antenna includes: metal patch, metal ground plate parallel with metal patch and the insulation filling medium between metal patch and metal ground plate; It is characterized in that: this antenna is vertically installed with between metal patch and metal ground plate: the shorting pin that several are used to load and a feed probes, the described shorting pin that several are used to load is installed in metal patch one end, to excite a plurality of discrete resonant frequencies, realize multiband emission or reception; The horizontal median axis of metal patch is departed from the installation site of described feed probes, and away from an end of installing shorting pin on the metal patch, to reduce because of the influence of shorting pin to input impedance.
2, a kind of multiband micro-strip paster antenna according to claim 1, it is characterized in that: described metal patch, metal ground plate and shorting pin are to make with high conductivity metal or the surperficial material that is coated with high conductivity metal, and described feed probes is to make with the coaxial cable or the microwave junction of the coaxial configuration with inner wire, inner insulating layer, outer conductor and external insulation layer.
3, a kind of multiband micro-strip paster antenna according to claim 1, it is characterized in that: the described shorting pin that several are used to load is vertical arrangement and is installed in metal patch one end with forming a linearity, its line is parallel with the edge of metal patch, and each pin is that axial symmetry distributes with the horizontal median axis of paster; The diameter of described shorting pin should be not more than 1mm, and its diameter is more little, and performance is good more.
4, a kind of multiband micro-strip paster antenna according to claim 3, it is characterized in that: the best position of the described shorting pin that several are used to load is the edge that is positioned at metal patch, and promptly the edge of the external diameter of this shorting pin and metal patch is tangent.
5, according to claim 1 or 3 described a kind of multiband micro-strip paster antennas, it is characterized in that: the quantity of described several shorting pins determines the quantity of the resonance frequency of this antenna, promptly uses the individual shorting pin of K (K is a natural number) may cause K discrete resonant frequencies at most; Different resonance frequencys can be realized in the different installation sites of each shorting pin.
6, a kind of multiband micro-strip paster antenna according to claim 2, it is characterized in that: the installation of described feed probes is that inner wire with coaxial cable or microwave junction is as probe, circular hole from metal ground plate passes, the aperture of this circular hole should be slightly larger than this inner wire diameter, between inner wire and circular hole hole wall, be filled with insulating material, insulate to keep both; This inner wire probe extends upwardly to described metal patch below and is connected with this metal patch perpendicular to the metal ground plate plane, and this probe and this metal patch connection are distributing point; The outer conductor of coaxial cable or microwave junction is connected with this metal ground plate below this metal ground plate.
7, a kind of multiband micro-strip paster antenna according to claim 6, it is characterized in that: described distributing point should be away from described shorting pin, and the position of this distributing point will be in 1/2 zone of being divided by the center line that parallels with these a plurality of shorting pin lines on the described metal patch away from shorting pin at least.
8, a kind of multiband micro-strip paster antenna according to claim 1, it is characterized in that: described metal patch is rectangular, and its thickness is not more than 0.1mm, and the size of its length L and width W and the design parameter of antenna resonant frequency are: L = 1 2 f 0 ϵ e μ 0 ϵ 0 - 2 ΔL W = 1 2 f 0 μ 0 ϵ 0 ( ϵ r + 1 2 ) - 1 2
W/h 〉=1 o'clock: ϵ e = ϵ r + 1 2 + ϵ r - 1 2 ( 1 + 12 h L ) - 1 2
W/h≤1 o'clock: ϵ e = ϵ r + 1 2 + ϵ r - 1 2 ( 1 + 12 h L ) - 1 2 + 0.04 ( 1 - W / h ) 2 ΔL = 0.412 h ( ϵ e + 0.3 ) ( L / h + 0.264 ) ( ϵ e - 0.258 ) ( L / h + 0.8 )
In the formula: f 0Be the resonance frequency of antenna or the centre frequency of its working band; ε 0Be permittivity of vacuum or dielectric constant; μ 0It is permeability of vacuum; ε rIt is the relative permittivity of medium; Δ L is equivalent radiating slot width; ε eIt is the effective capacitance rate; H is the height between metal ground plate and the metal patch, and its numerical value depends on the needs of practical application.
9, a kind of multiband micro-strip paster antenna according to claim 1, it is characterized in that: the thickness of described metal ground plate is not more than 1mm, and its length and width all should be than the big at least 20mm of described metal patch.
10, according to claim 1 or 9 described a kind of multiband micro-strip paster antennas, it is characterized in that: described insulation filling medium between metal patch and metal ground plate recommend to use air, and be respectively equipped with a radius at described metal patch four jiaos this moment, and to be not more than 1mm, length be that the common ambroin rod of h is supported between metal patch and the metal ground plate.
CN 03130707 2003-05-07 2003-05-07 Multi-waveband microband paster antenna Expired - Fee Related CN1283024C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03130707 CN1283024C (en) 2003-05-07 2003-05-07 Multi-waveband microband paster antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03130707 CN1283024C (en) 2003-05-07 2003-05-07 Multi-waveband microband paster antenna

Publications (2)

Publication Number Publication Date
CN1455474A true CN1455474A (en) 2003-11-12
CN1283024C CN1283024C (en) 2006-11-01

Family

ID=29260431

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03130707 Expired - Fee Related CN1283024C (en) 2003-05-07 2003-05-07 Multi-waveband microband paster antenna

Country Status (1)

Country Link
CN (1) CN1283024C (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100356628C (en) * 2005-07-01 2007-12-19 清华大学 Plane antenna of wide-band wire less communication mobile terminal
CN101789538B (en) * 2009-01-22 2011-06-29 深圳市华信天线技术有限公司 Multifrequency patch antenna device
CN105305043A (en) * 2015-10-12 2016-02-03 福州大学 Low-profile high-gain double-frequency directional antenna applied for wireless local area network
CN106777645A (en) * 2016-12-08 2017-05-31 大连海事大学 Rectangular microstrip patch antenna resonant resistance computational methods and system
CN106856257A (en) * 2015-12-09 2017-06-16 上海机电工程研究所 Miniaturized dual-frequency antenna
CN107623187A (en) * 2016-07-14 2018-01-23 上海诺基亚贝尔股份有限公司 Microstrip antenna, aerial array and microstrip antenna manufacture method
CN110265782A (en) * 2019-05-22 2019-09-20 成都海澳科技有限公司 Double coupled microstrip antennas and aerial array
CN110365422A (en) * 2018-04-04 2019-10-22 京东方科技集团股份有限公司 A kind of signal processing apparatus and preparation method thereof
CN113659344A (en) * 2021-07-13 2021-11-16 荣耀终端有限公司 Parasitic coupling-based patch antenna and electronic equipment
WO2022170842A1 (en) * 2021-02-10 2022-08-18 华为技术有限公司 Antenna and electronic device
CN115332806A (en) * 2022-09-09 2022-11-11 上海大学 Microstrip patch antenna and preparation method thereof
CN115425415A (en) * 2022-09-02 2022-12-02 江西中烟工业有限责任公司 Millimeter wave frequency-adjustable patch antenna based on short circuit pin and diode loading

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100356628C (en) * 2005-07-01 2007-12-19 清华大学 Plane antenna of wide-band wire less communication mobile terminal
CN101789538B (en) * 2009-01-22 2011-06-29 深圳市华信天线技术有限公司 Multifrequency patch antenna device
CN105305043A (en) * 2015-10-12 2016-02-03 福州大学 Low-profile high-gain double-frequency directional antenna applied for wireless local area network
CN105305043B (en) * 2015-10-12 2017-10-27 福州大学 Low section High-gain dual-frequency directional aerial applied to WLAN
CN106856257A (en) * 2015-12-09 2017-06-16 上海机电工程研究所 Miniaturized dual-frequency antenna
CN107623187A (en) * 2016-07-14 2018-01-23 上海诺基亚贝尔股份有限公司 Microstrip antenna, aerial array and microstrip antenna manufacture method
CN106777645A (en) * 2016-12-08 2017-05-31 大连海事大学 Rectangular microstrip patch antenna resonant resistance computational methods and system
CN106777645B (en) * 2016-12-08 2020-02-07 大连海事大学 Rectangular patch microstrip antenna resonance resistance calculation method and system
CN110365422A (en) * 2018-04-04 2019-10-22 京东方科技集团股份有限公司 A kind of signal processing apparatus and preparation method thereof
CN110365422B (en) * 2018-04-04 2021-01-29 京东方科技集团股份有限公司 Signal processing device and preparation method thereof
US11621474B2 (en) 2018-04-04 2023-04-04 Boe Technology Group Co., Ltd. Antenna apparatus and preparation method thereof
CN110265782A (en) * 2019-05-22 2019-09-20 成都海澳科技有限公司 Double coupled microstrip antennas and aerial array
WO2022170842A1 (en) * 2021-02-10 2022-08-18 华为技术有限公司 Antenna and electronic device
CN113659344A (en) * 2021-07-13 2021-11-16 荣耀终端有限公司 Parasitic coupling-based patch antenna and electronic equipment
CN115425415A (en) * 2022-09-02 2022-12-02 江西中烟工业有限责任公司 Millimeter wave frequency-adjustable patch antenna based on short circuit pin and diode loading
CN115425415B (en) * 2022-09-02 2023-09-12 江西中烟工业有限责任公司 Millimeter wave frequency adjustable patch antenna based on short-circuit needle and diode loading
CN115332806A (en) * 2022-09-09 2022-11-11 上海大学 Microstrip patch antenna and preparation method thereof
CN115332806B (en) * 2022-09-09 2023-09-15 上海大学 Microstrip patch antenna and preparation method thereof

Also Published As

Publication number Publication date
CN1283024C (en) 2006-11-01

Similar Documents

Publication Publication Date Title
CN101355194A (en) Dual range microstrip antenna
CN1233066C (en) Antenna
KR100283459B1 (en) 2-frequency resonant antenna device
US6317083B1 (en) Antenna having a feed and a shorting post connected between reference plane and planar conductor interacting to form a transmission line
EP1306924A2 (en) Monopole antenna that can easily be reduced in height dimension
CN1283024C (en) Multi-waveband microband paster antenna
Sha et al. Experimental investigations of microwave absorber with FSS embedded in carbon fiber composite
US20020196190A1 (en) Dielectric-patch resonator antenna
US20030197658A1 (en) Capacitively-loaded bent-wire monopole on an artificial magnetic conductor
CN1641934A (en) Super-wide-band flat antenna with trap wave function
CN102800954B (en) Antenna unit, antenna module and multi-antenna module
CN101258642B (en) A resonant, dual-polarized patch antenna
CN108511924B (en) Broadband end-fire antenna array for millimeter wave communication system
US20060001574A1 (en) Wideband Patch Antenna
CN101345348A (en) Dual-waveband plane inverse-F antenna with U shaped groove and folding line groove
CN111262005B (en) Dual-polarized broadband magnetoelectric dipole antenna unit suitable for 5G base station and antenna array
CN109713444B (en) Broadband automobile radar microstrip patch antenna
CN101308957A (en) Power feed stacked microstrip antenna array with circular polarized wide-band capacitor compensating probe
CN1601808A (en) Double-band micro-band sticker antenna
CN1649206A (en) Multiple band broad band micro strip plaster antenna
EP1619751B1 (en) Wideband antenna of low profile
CN109473770B (en) Spiral antenna based on parallel plate capacitor loading
CN101378144A (en) Radio apparatus and antenna thereof
CN1921220A (en) Microstrip paster antenna applied in TD-SCDMA terminal
CN1635664A (en) High-Q value multi-waveband microstrip patch antenna

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20061101