CN111883914B - Dielectric resonator broadband antenna with filter characteristic based on SIW feeding - Google Patents

Dielectric resonator broadband antenna with filter characteristic based on SIW feeding Download PDF

Info

Publication number
CN111883914B
CN111883914B CN202010667116.6A CN202010667116A CN111883914B CN 111883914 B CN111883914 B CN 111883914B CN 202010667116 A CN202010667116 A CN 202010667116A CN 111883914 B CN111883914 B CN 111883914B
Authority
CN
China
Prior art keywords
siw
dielectric resonator
resonant cavity
antenna
dielectric
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.)
Active
Application number
CN202010667116.6A
Other languages
Chinese (zh)
Other versions
CN111883914A (en
Inventor
徐文娇
朱佳敏
李贺
王建朋
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.)
Nanjing University of Science and Technology
Original Assignee
Nanjing University of Science and Technology
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 Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN202010667116.6A priority Critical patent/CN111883914B/en
Publication of CN111883914A publication Critical patent/CN111883914A/en
Application granted granted Critical
Publication of CN111883914B publication Critical patent/CN111883914B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/10—Dielectric resonators
    • H01P7/105—Multimode resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support

Landscapes

  • Waveguide Aerials (AREA)

Abstract

The invention discloses a dielectric resonator broadband antenna with filtering characteristics based on SIW feed, which comprises a dielectric resonator, a ground plate and a substrate, wherein the dielectric resonator, the ground plate and the substrate are sequentially arranged from top to bottom; the dielectric resonator comprises two layers of overlapped dielectric resonators, and the dielectric constants of the two layers of dielectric resonators are different. The antenna has wide bandwidth, and the frequency position of a transmission zero point can be flexibly controlled through the plurality of parallel coupling grooves to form good filtering characteristics. In addition, the dielectric resonator is used as the radiation structure of the antenna, and has no conductor and surface wave loss, and the loss is very small, so that the dielectric resonator has very high radiation efficiency, and can obtain higher antenna gain.

Description

Dielectric resonator broadband antenna with filter characteristic based on SIW feeding
Technical Field
The invention relates to the technical field of antennas, in particular to a dielectric resonator broadband antenna with a filter characteristic based on SIW feeding.
Background
Modern communication puts forward higher and higher requirements on the performances of miniaturization, low loss and the like of an antenna, the traditional microstrip antenna has higher metal loss in a millimeter wave frequency band, while a dielectric resonance antenna is an antenna which rises in recent decades, a radiation unit is formed by a dielectric material, and the loss of the radiation unit is very small due to the fact that no conductor and surface wave loss exist, so that the radiation efficiency is very high.
The filtering antenna simultaneously plays the filtering function of the filter and the radiation function of the antenna, so that the radio frequency front-end circuit is further miniaturized, and the packaging integration is facilitated. The SIW has the advantages of low loss, high Q value, easy integration, etc.
In recent years, the reported Dielectric Resonator antenna with the Filtering characteristic Based on SIW feed has the defects of less research, narrower bandwidth, poorer Filtering characteristic, uneven gain and the like, for example, a Dielectric Resonator antenna with SIW feed is proposed in the document of "Implementation of Synthetic Material in Dielectric Resonator-Based Filtering Antennas", better impedance matching is realized through a certain number of air holes in the Dielectric Resonator, the processing difficulty is high, finally, the bandwidth of 15.5% is realized, an additional transmission zero point is introduced by a pair of quarter-wavelength short-circuit lines, and the Filtering characteristic of the antenna is poorer. The document "multiple application of partitioned Waveguide enclosure in Dielectric Resonator Antennas and configurable Circuits" proposes a Reconfigurable filter and Dielectric Resonator antenna using a probe feed SIW, which is Integrated in multiple functions, but the transmission zero point of the antenna cannot be adjusted independently and the gain is not flat, and the filtering characteristics are poor.
Disclosure of Invention
The invention aims to provide a dielectric resonator broadband antenna with filter characteristics based on SIW feeding, and aims to solve the problem that the conventional dielectric resonator antenna with filter characteristics based on SIW feeding cannot have broadband and good filter characteristics.
The technical solution for realizing the purpose of the invention is as follows: the dielectric resonator broadband antenna with the filtering characteristic based on SIW feeding comprises a dielectric resonator, a ground plate and a substrate which are sequentially arranged from top to bottom, wherein the dielectric resonator is used as a radiation module of the antenna, an SIW resonant cavity is arranged on the substrate, a rectangular groove is arranged above the resonant cavity and on the ground plate, and the SIW resonant cavity is coupled with the dielectric resonator through the groove; the dielectric resonator comprises two layers of overlapped dielectric resonators, and the dielectric constants of the two layers of dielectric resonators are different.
Furthermore, the SIW resonant cavity comprises a metalized through hole arranged in the substrate to form a SIW main body resonant cavity, and a first resonant cavity and a second resonant cavity which are symmetrically distributed about the resonant cavity and are respectively coupled with the resonant cavity; the microstrip antenna further comprises a microstrip feeder line and a metal layer, wherein the microstrip feeder line is arranged on the lower side of the substrate and embedded in the metal layer.
Furthermore, the number of the through holes on each side and the distance between the through holes on the two sides of the metalized through holes at the coupling windows on the two sides of the SIW main body resonant cavity are adjustable, so that the metalized through holes on the two sides of the SIW main body resonant cavity can be adjustedTE of SIW main body resonant cavity 20 The resonant frequency of the mode is operated in the passband frequency range while the TE of the SIW body resonator is maintained 10 Resonant frequency of mode to TE 20 The resonant frequencies of the modes are close, adding one in-band resonant mode.
Furthermore, a group of parallel rectangular grooves is arranged on the grounding plate and above the microstrip feeder line, the group of parallel rectangular grooves comprises a first rectangular groove arranged in the middle position and n pairs of second rectangular grooves symmetrically arranged on two sides of the first rectangular groove, and the length of the second rectangular grooves is greater than that of the first rectangular groove.
Further, the length of the second rectangular groove is adjustable, and the second rectangular groove is used for changing the zero point position.
Compared with the prior art, the invention has the following remarkable advantages: 1) According to the technical scheme, the metallized through holes on the left side and the right side in the SIW resonant cavity are adjusted, so that the TE10 mode frequency of the main resonant cavity is increased to be close to the resonance frequency of the TE20 mode, and an in-band resonance mode is added, so that a wider bandwidth is obtained; on the basis, the two layers of overlapped dielectric resonators with different three-dimensional sizes and dielectric constants also expand the bandwidth of the antenna, so that the bandwidth of the antenna is wide enough; 2) The lengths of the longer rectangular grooves symmetrically distributed on two sides of the plurality of parallel coupling grooves influence the position of a transmission zero point, and the longer the length is, the zero point position moves to a low-frequency position, so that the frequency position of the transmission zero point can be flexibly controlled to form good filtering characteristics; 3) The dielectric resonator is used as the radiation structure of the antenna, and has no conductor and surface wave loss, and the loss is small, so that the antenna has high radiation efficiency and can obtain high antenna gain.
The present invention is described in further detail below with reference to the attached drawing figures.
Drawings
Fig. 1 is a schematic perspective view of a dielectric resonator broadband antenna with a filter characteristic based on SIW feeding in one embodiment.
FIG. 2 is a top view of the structure dimensions of the SIW cavity, microstrip feed and metal layer of the substrate in one embodiment.
Fig. 3 is a top view of the structural dimensions of a single rectangular slot and five parallel rectangular slots in the center of a ground plate in one embodiment.
FIG. 4 is a schematic representation of the dimensions of a three-dimensional structure of two layers of superimposed rectangular parallelepiped media according to one embodiment.
FIG. 5 shows the reflection coefficient S in one embodiment 11 And (5) parameter simulation graphs.
Fig. 6 is a simulation diagram of the Gain parameter in one embodiment.
Fig. 7 is a radiation pattern of the antenna at phi =0 deg. and phi =90 deg. at 8.84GHz in one embodiment, as shown in fig. (a) and (b), respectively.
Fig. 8 is a radiation pattern of the antenna at phi =0 deg. and phi =90 deg. at 9.77GHz in one embodiment, as shown in fig. (a) and (b), respectively.
Fig. 9 is a radiation pattern of the antenna at phi =0 deg. and phi =90 deg. at 10.7GHz in one embodiment, as shown in fig. (a) and (b), respectively.
FIG. 10 is a graph of simulation of Gain parameters for transmission zeroes as a function of the length of the rectangular slot, in accordance with an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, with reference to fig. 1, a SIW feed-based dielectric resonator broadband antenna with a filtering characteristic is provided, where the antenna includes a dielectric resonator, a ground plate 6 and a substrate 3, which are sequentially arranged from top to bottom, the dielectric resonator is used as a radiation module of the antenna, a SIW resonant cavity is arranged on the substrate 3, a rectangular slot 7 is arranged above the resonant cavity and on the ground plate 6, and the SIW resonant cavity is coupled with the dielectric resonator through the slot; the dielectric resonator comprises two layers of overlapped dielectric resonators, and the dielectric constants of the two layers of dielectric resonators are different.
Further, in one embodiment, the SIW resonant cavity includes a metalized through hole disposed in the substrate 3, forming a SIW main resonant cavity 12, and a first resonant cavity 4-1 and a second resonant cavity 4-2 symmetrically distributed about the resonant cavity and respectively coupled to the resonant cavities; the microstrip antenna further comprises a microstrip feed line 1 and a metal layer 13, wherein the microstrip feed line 1 is arranged on the lower side of the substrate 3, and the metal layer 13 is embedded in the microstrip feed line 1.
Here, the two-sided resonators serve to make the gain of the passband flatter, but at the same time, a sharp poorly matched resonant mode is introduced and the gain is reduced here, so that in order not to affect the passband performance, the two-sided SIW resonators are required to have resonant frequencies far from the passband.
Further, in one embodiment, the number of the through holes on each side and the distance between the through holes on both sides of the metalized through holes 5 at the coupling windows on both sides of the SIW main body resonant cavity are adjustable, so that the TE of the SIW main body resonant cavity is adjusted 20 The resonant frequency of the mode is operated in the passband frequency range while the TE of the SIW body resonator is maintained 10 Resonant frequency of mode to TE 20 The resonant frequencies of the modes are close, adding an in-band resonant mode.
Here preferably the metallized via 5 at the coupling window is located in the SIW body cavity.
Further preferably, in one embodiment, the SIW main body cavity 12, the first cavity 4-1 and the second cavity 4-2 are all rectangular.
Further preferably, in one embodiment, the SIW main body resonant cavity 12, the first resonant cavity 4-1 and the second resonant cavity 4-2 form a cross shape. Wherein the SIW body resonator 12 alone forms a cross-shaped beam or vertical beam.
Further preferably, in one embodiment, a Γ -shaped space 2 is left on each of the left and right sides of a contact portion of the microstrip feed line 1 and the metal layer 13.
Further preferably, in one of the embodiments, the two layers of overlapped dielectric resonators have a dielectric constant of the upper dielectric resonator 11 smaller than that of the lower dielectric resonator 10.
Further preferably, in one embodiment, the upper dielectric resonator 11 and the lower dielectric resonator 10 are cuboids and have different thicknesses.
Further, in one embodiment, a set of parallel rectangular slots is disposed on the ground plate 6 and above the microstrip feed line 1, the set of parallel rectangular slots includes a first rectangular slot 8 located at a middle position, and n pairs of second rectangular slots 9 symmetrically disposed on two sides of the first rectangular slot 8, and the length of the second rectangular slot 9 is greater than that of the first rectangular slot 8.
Here, n may be 1, 2, etc.
Further preferably, in one of the embodiments, the length of the second rectangular slot 9 is adjustable for changing the zero point position. The longer the length, the zero position moves to a low frequency.
As a specific example, in one embodiment, the dielectric resonator broadband antenna with filtering characteristics based on SIW feeding of the present invention is further described. With reference to fig. 2 to 4, the dielectric resonator broadband antenna 100 with filtering characteristics based on SIW feeding of the present embodiment includes five parallel coupling slots, one rectangular slot 8 with a short middle, and two longer rectangular slots 9 with the same size distributed at symmetrical positions on two sides. The relative dielectric constant of the adopted substrate 3 is 10.2, the thickness is 0.635mm, the dielectric constant of the cuboid dielectric resonator 10 is 12.3, the dielectric constant of the cuboid dielectric resonator 11 is 9.9, and other parameters are as follows:
A＝30mm、B＝21.4mm、D＝0.2mm、D1＝0.9mm、L1＝7.7mm、W1＝0.6mm、L2＝12.5mm、W2＝8.5mm、L3＝6.2mm、L4＝7mm、W4＝3.25mm、L5＝2.5mm、W5＝0.7mm、L7＝3.35mm、X1＝3.2mm、Y1＝1.6mm、X2＝3.7mm、Y2＝0.1mm、X3＝2mm、Y3＝0.3mm、G1＝0.1mm、A1＝6.7mm、B1＝6.6mm、C1＝1.6mm、A2＝6.7mm、B2＝6.6mm、C2＝2.4mm。
a, B is the length and width of the substrate 3, D, D is the diameter and pitch of the metalized through holes, L1 and W1 are the length and width of the microstrip feed line 1, L2 and W2 are the length and width of the main resonant cavity 12, L3 is the relative distance of the metalized through holes 5 inside the SIW cavity, L4 and W4 are the length and width of the SIW resonant cavity 4 on both sides, W5 is the width of the r-shaped space, X1 and Y1 are the length and width of the single rectangular slot 7, X2 and Y2 are the length and width of the rectangular slot 9, X3 and Y3 are the length and width of the rectangular slot 8, G1 is the pitch of the five parallel coupling slots 8 and 9, A1, B1 and C1 are the length, width and height of the lower dielectric resonator 10, and A2, B2 and C2 are the length, width and height of the upper dielectric resonator 11.
The embodiment carries out modeling simulation in electromagnetic simulation software, such as HFSS.18 software, and the reflection coefficient S 11 The parametric simulation graphs and the Gain parametric simulation graphs are shown in fig. 5 and 6, fig. 7 shows a phi =0 ° and phi =90 ° radiation pattern of the antenna at 8.84GHz, fig. 8 shows a phi =0 ° and phi =90 ° radiation pattern of the antenna at 9.77GHz, and fig. 9 shows a phi =0 ° and phi =90 ° radiation pattern of the antenna at 10.7 GHz.
As can be seen from FIG. 5, the center frequency of the dielectric resonator broadband antenna with the filter characteristic based on SIW feeding of the embodiment is 9.77GHz, and the antenna S 11 <The-10 dB frequency range is 8.84.62-10.7GHz with a relative bandwidth of 19%. Fig. 6 is a gain curve in the phi =0 ° and theta =0 ° directions, and it is known that the gain is greater than 5.64dBi in 8.84-10.7GHz, the gain is stable, 3 transmission zeros are generated at both sides of the pass band, respectively, and 8.34GHz, 12.92GHz, and 14.4GHz, respectively, thereby forming good filtering characteristics. As can be seen from fig. 7, 8 and 9, the antenna pattern is very stable over the whole frequency band, the cross polarization is very small, and the cross polarization in the frequency band is less than-19 dB.
Fig. 10 is a simulation diagram of a Gain parameter of the transmission zero point varying with the length of the rectangular slot 9. As can be seen from the figure, when X2=3.9mm, the transmission zero point is at 12.7GHz; transmission zero at 12.92GHz when X2=3.7 mm; x2=3.5mm, transmission zero is at 13.14GHz. It can be seen that, the longer the length of the rectangular slot X2 is, the transmission zero moves to the low frequency, that is, the length of the rectangular slot 9 can control the position of the transmission zero, so that the frequency position of the transmission zero can be flexibly controlled to form a good filtering characteristic.
In summary, the dielectric resonator broadband antenna with the filtering characteristic based on the SIW feed of the invention enables the TE of the main resonant cavity to pass through the metallized through holes on the left and right sides inside the SIW resonant cavity 10 Increase of mode frequency to TE 20 Around the resonant frequency of the modeOne in-band resonant mode is added to obtain a wider bandwidth. On the basis, the two layers of overlapped dielectric resonators with different three-dimensional sizes and dielectric constants also expand the bandwidth of the antenna, so that the bandwidth of the antenna is wide. The length of the longer rectangular grooves symmetrically distributed on two sides of the plurality of parallel coupling grooves influences the position of the transmission zero point, and the longer the length is, the zero point position moves to the low frequency position, so that the frequency position of the transmission zero point can be flexibly controlled to form good filtering characteristics. In addition, the dielectric resonator is used as the radiation structure of the antenna, so that the loss of the conductor and the surface wave is avoided, the loss is small, the radiation efficiency is high, and the high antenna gain can be obtained. Therefore, the dielectric resonator broadband antenna with the filtering characteristic based on SIW feeding has excellent performance and is very suitable for modern wireless communication systems.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The dielectric resonator broadband antenna with the filtering characteristic based on SIW feeding is characterized by comprising a dielectric resonator, a ground plate (6) and a substrate (3), wherein the dielectric resonator, the ground plate (6) and the substrate (3) are sequentially arranged from top to bottom, the dielectric resonator is used as a radiation module of the antenna, an SIW resonant cavity is arranged on the substrate (3), a rectangular groove (7) is arranged above the resonant cavity and positioned on the ground plate (6), and the SIW resonant cavity is coupled with the dielectric resonator through the groove; the dielectric resonators comprise two layers of overlapped dielectric resonators, and the dielectric constants of the two layers of dielectric resonators are different;
the SIW resonant cavity comprises a metalized through hole arranged in a substrate (3) to form a SIW main body resonant cavity (12), and a first resonant cavity (4-1) and a second resonant cavity (4-2) which are symmetrically distributed around the main body resonant cavity and are respectively coupled with the main body resonant cavity; the microstrip antenna further comprises a microstrip feeder line (1) and a metal layer (13) which are arranged on the lower side of the substrate (3), wherein the microstrip feeder line (1) is embedded in the metal layer (13);
the microstrip patch antenna is characterized in that a group of parallel rectangular grooves are formed in the grounding plate (6) and above the microstrip feeder line (1), each group of parallel rectangular grooves comprises a first rectangular groove (8) located in the middle of the microstrip patch antenna and n pairs of second rectangular grooves (9) symmetrically arranged on two sides of the corresponding first rectangular groove (8), and the length of each second rectangular groove (9) is larger than that of each first rectangular groove (8).
2. A SIW feed based dielectric resonator broadband antenna with filter characteristics according to claim 1, wherein metallized through holes (5) are arranged at the coupling windows at both sides of the SIW main body resonant cavity, and the number of through holes at each side and the distance between through holes at both sides are adjustable, so that the TE of the SIW main body resonant cavity is adjustable 20 The resonant frequency of the mode is within the passband range while the TE of the SIW bulk resonator is being tuned 10 Resonant frequency of mode to TE 20 The resonant frequencies of the modes are close, adding an in-band resonant mode.
3. A SIW feed based dielectric resonator broadband antenna with filter characteristics according to claim 1, characterized in that the SIW body cavity (12), the first cavity (4-1) and the second cavity (4-2) are all rectangular.
4. A SIW feed based dielectric resonator broadband antenna with filter characteristics as claimed in claim 1, wherein the SIW body resonant cavity (12), first resonant cavity (4-1) and second resonant cavity (4-2) form a cross shape.
5. A dielectric resonator broadband antenna with filtering characteristics based on SIW feeding according to claim 1, characterized in that the left and right sides of the contact part of the microstrip feed line (1) and the metal layer (13) are respectively left with a T-shaped space (2).
6. A SIW feed based dielectric resonator broadband antenna with filter characteristics according to claim 1, characterized in that the two layers of overlapped dielectric resonators have dielectric constants of the upper dielectric resonator (11) that are lower than the dielectric constant of the lower dielectric resonator (10).
7. A SIW feed based dielectric resonator broadband antenna with filter characteristics as claimed in claim 6, wherein the upper dielectric resonator (11) and the lower dielectric resonator (10) are rectangular parallelepipeds and have different thicknesses.
8. A SIW feed based dielectric resonator broadband antenna with filter characteristics according to claim 1, characterized in that the length of the second rectangular slot (9) is adjustable for changing the null point position.
CN202010667116.6A 2020-07-13 2020-07-13 Dielectric resonator broadband antenna with filter characteristic based on SIW feeding Active CN111883914B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010667116.6A CN111883914B (en) 2020-07-13 2020-07-13 Dielectric resonator broadband antenna with filter characteristic based on SIW feeding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010667116.6A CN111883914B (en) 2020-07-13 2020-07-13 Dielectric resonator broadband antenna with filter characteristic based on SIW feeding

Publications (2)

Publication Number Publication Date
CN111883914A CN111883914A (en) 2020-11-03
CN111883914B true CN111883914B (en) 2022-10-18

Family

ID=73151128

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010667116.6A Active CN111883914B (en) 2020-07-13 2020-07-13 Dielectric resonator broadband antenna with filter characteristic based on SIW feeding

Country Status (1)

Country Link
CN (1) CN111883914B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112768908B (en) * 2020-12-29 2021-09-10 南通大学 Integrated structure of differential dielectric resonator antenna and independent controllable dual-passband filter
CN112821051A (en) * 2021-01-11 2021-05-18 北京邮电大学 Millimeter wave antenna and millimeter wave antenna array
CN113381171B (en) * 2021-05-08 2022-05-31 天津大学 Compact filtering medium resonant antenna based on SISL structure
CN113708058B (en) * 2021-07-15 2023-10-17 深圳市信维通信股份有限公司 5G millimeter wave antenna structure and electronic equipment based on ceramic shell
CN113922091B (en) * 2021-09-24 2023-12-12 南京邮电大学 Dual-frequency broadband filter antenna based on microstrip patch and substrate integrated waveguide resonator
CN115000686A (en) * 2022-06-17 2022-09-02 华南理工大学 Filtering antenna array based on radiation metal block
WO2024050703A1 (en) * 2022-09-06 2024-03-14 华为技术有限公司 Antenna and communication device
CN115730474B (en) * 2023-01-09 2023-04-28 上海霍莱沃电子系统技术股份有限公司 Radiation zero construction method and device for dielectric resonator antenna

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110323526A (en) * 2019-06-20 2019-10-11 南通大学 SIW Fed Dielectric Resonator device and antenna, the power splitter for using the resonator
CN110544822A (en) * 2018-11-16 2019-12-06 西安电子科技大学 Ka-band miniaturized filtering antenna based on SIW structure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015089643A1 (en) * 2013-12-20 2015-06-25 Tayfeh Aligodarz Mohammadreza Dielectric resonator antenna arrays
CN108767476B (en) * 2018-05-04 2020-10-09 华南理工大学 Simple and compact filtering dielectric resonator antenna

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110544822A (en) * 2018-11-16 2019-12-06 西安电子科技大学 Ka-band miniaturized filtering antenna based on SIW structure
CN110323526A (en) * 2019-06-20 2019-10-11 南通大学 SIW Fed Dielectric Resonator device and antenna, the power splitter for using the resonator

Also Published As

Publication number Publication date
CN111883914A (en) 2020-11-03

Similar Documents

Publication Publication Date Title
CN111883914B (en) Dielectric resonator broadband antenna with filter characteristic based on SIW feeding
CN110544822B (en) Ka-band miniaturized filtering antenna based on SIW structure
US6686815B1 (en) Microwave filter
CN109462000B (en) Multi-layer substrate integrated waveguide third-order filtering power divider
CN110676589B (en) High-gain differential dual-polarized dielectric patch antenna based on higher-order mode
EP2403053B1 (en) Coupling mechanism for a PCB mounted microwave re-entrant resonant cavity
CN112736423B (en) Compact low-profile differential filtering microstrip patch antenna
CN108631057B (en) Yagi antenna with filtering characteristic
CN109830789B (en) Broadband band-pass filter based on folded substrate integrated waveguide and complementary split ring resonator
KR101496302B1 (en) Millimeter Wave Transition Method Between Microstrip Line and Waveguide
EP0874414B1 (en) Dielectric filter, transmitting/receiving duplexer, and communication apparatus
CN114284673A (en) Substrate integrated waveguide dual-band filtering balun
Tang et al. Differentially SIW TE 20-mode Fed substrate integrated filtering dielectric resonator antenna for 5G millimeter wave application
EP1148572B1 (en) Transmission line connection structure, high frequency module, and communication device
CN113794043B (en) Dual-frenquency dual polarization filtering basic station antenna
CN214849052U (en) Antenna feed structure, antenna and gateway equipment
CN113314838B (en) Planar low-profile microstrip filtering antenna based on band-pass filter prototype
US20040209581A1 (en) Dual-mode bandpass filter, duplexer, and radio communication apparatus
US10651524B2 (en) Planar orthomode transducer
CN110011009B (en) Band-pass filter
CN107181055A (en) Vivaldi antennas with trap characteristic
CN220797044U (en) Orthogonal polarization duplex filter antenna based on substrate integrated waveguide double-cavity
EP0869573B1 (en) Dielectric filter and communication apparatus using same
CN115173032B (en) SIW miniaturized filter antenna with high selectivity
JP4249376B2 (en) High frequency filter

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