CN103606745A - Low section compact dual-band dual-polarization common aperture microstrip antenna - Google Patents
Low section compact dual-band dual-polarization common aperture microstrip antenna Download PDFInfo
- Publication number
- CN103606745A CN103606745A CN201310547527.1A CN201310547527A CN103606745A CN 103606745 A CN103606745 A CN 103606745A CN 201310547527 A CN201310547527 A CN 201310547527A CN 103606745 A CN103606745 A CN 103606745A
- Authority
- CN
- China
- Prior art keywords
- frequency range
- antenna
- band
- metal radiation
- microwave
- 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
Links
Images
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention provides a low section compact dual-band dual-polarization common aperture microstrip antenna which is formed by two layers of double-face copper clad microwave dielectric plates. The needed double-frequency antenna array and Ku band antenna feed network are formed on the upper surface of the upper layer dielectric plate through etching process, and an L type coupling slot is arranged on a grounded plate at the lower surface of the upper layer dielectric plate. A Ka band antenna feed network is at the lower layer of the lower layer dielectric plate, and the antenna is subjected to coupled feeding through the slot. Two frequencies of the antenna coverage are a Ka band and a Ku band. According to the antenna, through the reasonable array layout, a Ka band antenna and a Ku band antenna are in coplanar nested placement in a same aperture, the structure is compact, the feed network of the antenna is hierarchically designed, and the wiring space is relatively abundant. The antenna can be applied to a satellite communication terminal of Ku and Ka bands.
Description
Technical field
The present invention relates to antenna technical field, specifically a kind of low section, compact, two-band, dual-polarized aperture micro-strip antenna array altogether.
Background technology
The requirement covering for low section, compact conformation and multiband multipolarization for solving antenna, aperture micro-strip antenna array becomes a kind of trend altogether.The outer common reflector extensively adopting of Present Domestic, great majority adopt Waveguide slot antenna or stepped construction to realize bore altogether, and polarization is linear polarization.
Common reflector in patent L/S/X three-band dual-polarized planar antenna array (CN201010275940.3) is spliced by each pair of the dual-band dual-polarized submatrix of L/S, L/X and L single band dual polarization subarray, every secondary submatrix is multi-layer sheet stepped construction, complex structure, and do not relate to higher frequency.A kind of dual-band dual-polarized antenna (CN201110130936.2) is comprised of high frequency vibrating subarray and low frequency oscillator array antenna, does not meet low section requirement.The multilayer sandwiched structure that the low section dual-band and dual-polarization array antenna of Ku wave band (CN201110109938.3) is comprised of eight layers of structure forms, is difficult for realizing, and for only covering the two-wire poliarizing antenna of Ku frequency range.Miniaturized single feed point dual-frequency and dual-polarization microstrip antenna (CN200910251045.5) has been introduced a kind of double frequency round polarized of realizing, possesses volume little, low section, manufacture craft is simple, the microstrip antenna of the low feature of cost, there is good axial ratio bandwidth and higher low elevation gain, can be used for high performance receiver of satellite navigation system, Double frequency bipolar slotted microstrip antenna (CN03210325.5), this invention has dual-band dual-circular polarization transmission-receiving function simultaneously, antenna in above-mentioned two inventions is all to use probe directly or coupling feed, cannot meet antenna array and realize the requirement of high-gain.
Summary of the invention
The object of the invention is: a kind of low section, compact, two-band, dual-polarized aperture micro-strip antenna are altogether provided, can be used as the satellite communication terminal that conformal antenna is applied to Ku/Ka frequency range.
Technical solution of the present invention is:
Low section compact Dual-band dual-polarization is an aperture micro-strip antenna altogether, comprises upper strata microwave-medium Ban, lower floor microwave-medium plate and reflection chamber; Reflection chamber is open-topped metal cavitg, and it is that in open top and by the open top sealing of described reflection chamber, upper strata microwave-medium plate is fixed on the microwave-medium plate laminating of microwave-medium Ban Shangqieyu lower floor of lower floor that lower floor's microwave-medium plate covers at reflection chamber;
The upper surface of upper strata microwave-medium plate is distributed with 16 Ka frequency range metal radiation sheets and 4 Ku frequency range metal radiation sheets, 4 Ku frequency range metal radiation sheets are distributed on same foursquare four jiaos, the center superposition of this foursquare center and described upper strata microwave-medium plate, Ku frequency range feeding network and 4 Ku frequency range metal radiation sheets are coplanar;
Each Ku frequency range metal radiation sheet around, centered by this Ku frequency range metal radiation Pian center, be distributed with four Ka frequency range metal radiation sheets, 16 Ka frequency range metal radiation sheets form the matrix of 4*4, and the spacing between adjacent two Ka frequency range metal radiation sheets is identical; Ka frequency range feeding network is distributed in the lower surface of lower floor's microwave-medium plate;
On the lower surface of upper strata microwave-medium plate, apply copper, form metal level, on this metal level, erode away 16 L-types coupling gaps, each corresponding Ka frequency range metal radiation sheet in L-type coupling gap, Ka frequency range feeding network is coupled gap to the Ka frequency range metal radiation sheet feed that is coupled by L-type.
Described metal level and reflection chamber electric connection.
Distance between described metal level and the bottom interior surface of described reflection chamber is 4mm～6mm.
Spacing between adjacent two Ku frequency range metal radiation sheets is half of Ku band wavelength.
Spacing between adjacent two Ka frequency range metal radiation sheets is half of Ka band wavelength.
Ka frequency range metal radiation sheet, L-type coupling gap and Ka frequency range feeding network form Ka band antenna, and this antenna is operated in right-handed circular polarization state.Ku frequency range metal radiation sheet and Ku frequency range feeding network form Ku band antenna, and this antenna is operated in linear polarization state.
The present invention's advantage is compared with prior art:
1, microstrip antenna processing technology is ripe, can guarantee consistency and the stability of antenna
2, by employing, be total to the antenna form of bore, make operating frequency of antenna cover two-band;
3, the coplanar nested placement of two band antennas, compact conformation, bore utilance is high.
4, different frequency range antenna adopts different polarization modes, can improve the polarization isolation of common reflector.
5,, by the opening L-shaped gap of ground plate, the paster feed that is coupled is realized to circular polarization.
Accompanying drawing explanation
Fig. 1 is antenna assumption diagram of the present invention;
Fig. 2 is Ku/Ka aerial array of the present invention and Ku band antenna feeder line vertical view;
Fig. 3 is the opening L-shaped gap of ground plate of the present invention vertical view;
Fig. 4 is Ka band antenna feeding network vertical view of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is elaborated.
For making up the shortcoming and defect of prior art, the present invention by rational front layout by Ka, the coplanar nested placement in same bore of two band antennas of Ku, compact conformation, the feeding network hierarchical design of antenna, makes wiring space relatively abundant.This structural antenna can be applicable to the satellite communication terminal of Ku/Ka frequency range.
As shown in Figure 1, a kind of low section compact Dual-band dual-polarization provided by the invention is aperture micro-strip antenna altogether, comprising: upper strata microwave-medium Ban11, lower floor microwave-medium plate 12 and reflection chamber 13; Reflection chamber 13 is open-topped metal cavitg, it is that in open top and by the open top sealing of described reflection chamber 13, upper strata microwave-medium plate 11 is fixed on 12 laminatings of microwave-medium plate 12Shang Qieyu lower floor of lower floor microwave-medium plate that lower floor's microwave-medium plate 12 covers at reflection chamber 13;
As shown in Figure 2, the upper surface of upper strata microwave-medium plate 11 is distributed with 16 Ka frequency range metal radiation sheets 2 and 4 Ku frequency range metal radiation sheets 1,4 Ku frequency range metal radiation sheets 1 are distributed on same foursquare four jiaos, the center superposition of this foursquare center and described upper strata microwave-medium plate 11, spacing between adjacent two Ku frequency range metal radiation sheets 1 is half of Ku band wavelength, and Ku frequency range feeding network and 4 Ku frequency range metal radiation sheets 1 are coplanar;
Each Ku frequency range metal radiation sheet 1 around, centered by the center of this Ku frequency range metal radiation sheet 1, be distributed with four Ka frequency range metal radiation sheets 2,16 Ka frequency range metal radiation sheets 2 form the matrix of 4*4, and the spacing between adjacent two Ka frequency range metal radiation sheets 2 is identical, be half of Ka band wavelength; Ka frequency range feeding network is distributed in the lower surface of lower floor's microwave-medium plate 12, as shown in Figure 4.
As shown in Figure 3, on the lower surface of upper strata microwave-medium plate 11, apply copper, form metal level, metal level and reflection chamber 13 electric connections, on this metal level, erode away 16 L-type coupling gaps 3, each L-type coupling gap 3 corresponding Ka frequency range metal radiation sheets 2, Ka frequency range feeding network is by L-type 3 pairs, gap Ka frequency range metal radiation sheet 2 feed that is coupled that is coupled, and the distance between metal level and the bottom interior surface of described reflection chamber 13 is 4mm～6mm.
Ka frequency range metal radiation sheet 2, L-type coupling gap 3 and Ka frequency range feeding network form Ka band antenna, and this antenna is operated in right-handed circular polarization state.Ku frequency range metal radiation sheet 1 and Ku frequency range feeding network form Ku band antenna, and this antenna is operated in linear polarization state.
Specific implementation is, can be in the following way: upper strata microwave-medium plate 11 is that double-layer and double-side applies copper microwave-medium plate, and upper surface forms required dual-band antenna array and Ku band antenna feeding network by etching process, and lower surface corrosion forms L-type coupling gap.Two frequencies of antenna cover are respectively Ka frequency range and Ku frequency range.
The Ku band antenna feeder line that the present invention announces and antenna element are at same plane, adopt microstrip line side feedback form, each radiating element and feeder line match, utilize the length of feeder line and the phase place of the feed in energy analysis that change width is controlled unit, realization, to each antenna element constant amplitude homophase feed, makes antenna be operated in linear polarization state; Ka frequency range feeding network is positioned at dielectric-slab lower floor, by regulating L-type gap level, the length of vertical two arms, width, and the position of distributing point, can on Ka frequency range metal radiation sheet, encourage two orthogonal modes that meet circular polarization condition, thereby realize circular polarization work.
The part that the present invention does not elaborate belongs to techniques well known.
Claims (7)
1. low section compact Dual-band dual-polarization is total to an aperture micro-strip antenna, it is characterized in that comprising: upper strata microwave-medium plate (11), lower floor's microwave-medium plate (12) and reflection chamber (13); Reflection chamber (13) is open-topped metal cavitg, it is to seal in open top and by the open top of described reflection chamber (13) that lower floor's microwave-medium plate (12) covers at reflection chamber (13), and upper strata microwave-medium plate (11) is fixed on lower floor's microwave-medium plate (12) Shang Qieyu lower floor microwave-medium plate (12) laminating;
The upper surface of upper strata microwave-medium plate (11) is distributed with 16 Ka frequency range metal radiation sheets (2) and 4 Ku frequency range metal radiation sheets (1), 4 Ku frequency range metal radiation sheets (1) are distributed on same foursquare four jiaos, the center superposition of this foursquare center and described upper strata microwave-medium plate (11), Ku frequency range feeding network and 4 Ku frequency range metal radiation sheets (1) are coplanar;
Each Ku frequency range metal radiation sheet (1) around, centered by the center of this Ku frequency range metal radiation sheet (1), be distributed with four Ka frequency range metal radiation sheets (2), 16 Ka frequency range metal radiation sheets (2) form the matrix of 4*4, and the spacing between adjacent two Ka frequency range metal radiation sheets (2) is identical; Ka frequency range feeding network is distributed in the lower surface of lower floor's microwave-medium plate (12);
On the lower surface of upper strata microwave-medium plate (11), apply copper, form metal level, on this metal level, erode away 16 L-type coupling gaps (3), the corresponding Ka frequency range metal radiation sheet (2) in each L-type coupling gap (3), Ka frequency range feeding network is coupled gap (3) to Ka frequency range metal radiation sheet (2) feed that is coupled by L-type.
2. according to the antenna array of claim 1, it is characterized in that: described metal level and reflection chamber (13) electric connection.
3. according to the antenna array of claim 1, it is characterized in that: the distance between described metal level and the bottom interior surface of described reflection chamber (13) is 4mm～6mm.
4. according to the antenna array of claim 1, it is characterized in that: the spacing between adjacent two Ku frequency range metal radiation sheets (1) is half of Ku band wavelength.
5. according to the antenna array of claim 1, it is characterized in that: the spacing between adjacent two Ka frequency range metal radiation sheets (2) is half of Ka band wavelength.
6. according to the antenna array of claim 1, it is characterized in that: Ka frequency range metal radiation sheet (2), L-type coupling gap (3) and Ka frequency range feeding network form Ka band antenna, and this antenna is operated in right-handed circular polarization state.
7. according to the antenna array of claim 1, it is characterized in that: Ku frequency range metal radiation sheet (1) and Ku frequency range feeding network form Ku band antenna, and this antenna is operated in linear polarization state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547527.1A CN103606745A (en) | 2013-11-06 | 2013-11-06 | Low section compact dual-band dual-polarization common aperture microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547527.1A CN103606745A (en) | 2013-11-06 | 2013-11-06 | Low section compact dual-band dual-polarization common aperture microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103606745A true CN103606745A (en) | 2014-02-26 |
Family
ID=50124957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310547527.1A Pending CN103606745A (en) | 2013-11-06 | 2013-11-06 | Low section compact dual-band dual-polarization common aperture microstrip antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103606745A (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466380A (en) * | 2014-12-19 | 2015-03-25 | 南京理工大学 | Planar double-frequency dual-circularly-polarized array antenna |
| CN104868236A (en) * | 2015-04-16 | 2015-08-26 | 深圳市华信天线技术有限公司 | Load resistant microstrip antenna |
| WO2015127625A1 (en) * | 2014-02-27 | 2015-09-03 | 华为技术有限公司 | Shared-aperture antenna and base station |
| CN105337037A (en) * | 2015-12-12 | 2016-02-17 | 尚一民 | Dual-polarized slotted array antenna |
| CN105633569A (en) * | 2016-03-08 | 2016-06-01 | 电子科技大学 | LTCCC laminated wideband microstrip staggered triangle array antenna |
| CN105914457A (en) * | 2016-06-01 | 2016-08-31 | 东莞市仁丰电子科技有限公司 | Double-frequency double-current high gain antenna |
| CN106299723A (en) * | 2016-08-08 | 2017-01-04 | 上海交通大学 | Common reflector |
| CN110380201A (en) * | 2019-07-01 | 2019-10-25 | 中国航空工业集团公司雷华电子技术研究所 | A kind of X and ka two waveband is total to mouth face micro-strip array antenna |
| CN110797640A (en) * | 2019-11-07 | 2020-02-14 | 西安电子工程研究所 | Ka frequency band broadband low-profile dual-linear polarization microstrip antenna based on high-frequency lamination technology |
| CN112290227A (en) * | 2020-10-29 | 2021-01-29 | 上海大学 | Dual-frequency dual-circularly-polarized antenna array |
| CN113097718A (en) * | 2021-03-04 | 2021-07-09 | 西安交通大学 | Dual-frequency dual-circular-polarization common-caliber antenna for satellite communication |
| CN114039208A (en) * | 2021-11-22 | 2022-02-11 | 江苏科技大学 | Multi-band slot coupling antenna |
| CN114914689A (en) * | 2022-05-12 | 2022-08-16 | 中国电子科技集团公司第五十四研究所 | Low-profile common-caliber dual-band circularly polarized microstrip antenna |
| CN116207522A (en) * | 2023-05-04 | 2023-06-02 | 成都星达众合科技有限公司 | Dual-frequency dual-polarization common-caliber flat-plate antenna based on dual-cross waveguide structure |
| CN116470275A (en) * | 2023-05-31 | 2023-07-21 | 广东工业大学 | Dual-broadband circularly polarized large-frequency-ratio common-caliber antenna array |
| CN117154407A (en) * | 2023-10-30 | 2023-12-01 | 成都雷电微力科技股份有限公司 | Ku/Ka dual-frequency dual-polarized common-caliber antenna unit and array |
| CN117175196A (en) * | 2023-03-16 | 2023-12-05 | 广州程星通信科技有限公司 | Common-caliber antenna array |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6091365A (en) * | 1997-02-24 | 2000-07-18 | Telefonaktiebolaget Lm Ericsson | Antenna arrangements having radiating elements radiating at different frequencies |
| CN1898885A (en) * | 2003-11-24 | 2007-01-17 | 香港应用科技研究院有限公司 | Low cost multi-beam, multi-band and multi-diversity antenna systems and methods for wireless communications |
| EP2415119A1 (en) * | 2009-03-31 | 2012-02-08 | The University Of Manchester | Wide band array antenna |
-
2013
- 2013-11-06 CN CN201310547527.1A patent/CN103606745A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6091365A (en) * | 1997-02-24 | 2000-07-18 | Telefonaktiebolaget Lm Ericsson | Antenna arrangements having radiating elements radiating at different frequencies |
| CN1898885A (en) * | 2003-11-24 | 2007-01-17 | 香港应用科技研究院有限公司 | Low cost multi-beam, multi-band and multi-diversity antenna systems and methods for wireless communications |
| EP2415119A1 (en) * | 2009-03-31 | 2012-02-08 | The University Of Manchester | Wide band array antenna |
Non-Patent Citations (1)
| Title |
|---|
| 刘洋，董涛，王昕: "Ku/Ka双频共口径微带阵列天线设计", 《中国空间科学技术》, 31 October 2012 (2012-10-31) * |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105612660B (en) * | 2014-02-27 | 2019-10-22 | 华为技术有限公司 | A kind of common reflector and base station |
| WO2015127625A1 (en) * | 2014-02-27 | 2015-09-03 | 华为技术有限公司 | Shared-aperture antenna and base station |
| US10003132B2 (en) | 2014-02-27 | 2018-06-19 | Huawei Technologies Co., Ltd. | Shared-aperture antenna and base station |
| CN105612660A (en) * | 2014-02-27 | 2016-05-25 | 华为技术有限公司 | Shared-aperture antenna and base station |
| CN104466380B (en) * | 2014-12-19 | 2017-06-27 | 南京理工大学 | Planer dual-frequency double-circle polarization array antenna |
| CN104466380A (en) * | 2014-12-19 | 2015-03-25 | 南京理工大学 | Planar double-frequency dual-circularly-polarized array antenna |
| CN104868236A (en) * | 2015-04-16 | 2015-08-26 | 深圳市华信天线技术有限公司 | Load resistant microstrip antenna |
| CN105337037B (en) * | 2015-12-12 | 2019-03-08 | 尚一民 | Dual polarization slot array antenna |
| CN105337037A (en) * | 2015-12-12 | 2016-02-17 | 尚一民 | Dual-polarized slotted array antenna |
| CN105633569A (en) * | 2016-03-08 | 2016-06-01 | 电子科技大学 | LTCCC laminated wideband microstrip staggered triangle array antenna |
| CN105914457B (en) * | 2016-06-01 | 2019-05-10 | 东莞市仁丰电子科技有限公司 | A kind of high-gain aerial of double frequency double fluid |
| CN105914457A (en) * | 2016-06-01 | 2016-08-31 | 东莞市仁丰电子科技有限公司 | Double-frequency double-current high gain antenna |
| CN106299723A (en) * | 2016-08-08 | 2017-01-04 | 上海交通大学 | Common reflector |
| CN110380201A (en) * | 2019-07-01 | 2019-10-25 | 中国航空工业集团公司雷华电子技术研究所 | A kind of X and ka two waveband is total to mouth face micro-strip array antenna |
| CN110797640B (en) * | 2019-11-07 | 2021-09-07 | 西安电子工程研究所 | Ka frequency band broadband low-profile dual-linear polarization microstrip antenna based on high-frequency lamination technology |
| CN110797640A (en) * | 2019-11-07 | 2020-02-14 | 西安电子工程研究所 | Ka frequency band broadband low-profile dual-linear polarization microstrip antenna based on high-frequency lamination technology |
| CN112290227B (en) * | 2020-10-29 | 2022-05-20 | 上海大学 | Dual-frequency dual-circularly-polarized antenna array |
| CN112290227A (en) * | 2020-10-29 | 2021-01-29 | 上海大学 | Dual-frequency dual-circularly-polarized antenna array |
| CN113097718A (en) * | 2021-03-04 | 2021-07-09 | 西安交通大学 | Dual-frequency dual-circular-polarization common-caliber antenna for satellite communication |
| CN113097718B (en) * | 2021-03-04 | 2022-07-12 | 西安交通大学 | Dual-frequency dual-circular-polarization common-caliber antenna for satellite communication |
| CN114039208B (en) * | 2021-11-22 | 2023-10-03 | 江苏科技大学 | Multiband slot coupling antenna |
| CN114039208A (en) * | 2021-11-22 | 2022-02-11 | 江苏科技大学 | Multi-band slot coupling antenna |
| CN114914689A (en) * | 2022-05-12 | 2022-08-16 | 中国电子科技集团公司第五十四研究所 | Low-profile common-caliber dual-band circularly polarized microstrip antenna |
| CN114914689B (en) * | 2022-05-12 | 2024-01-23 | 中国电子科技集团公司第五十四研究所 | Low-profile common-caliber dual-band circularly polarized microstrip antenna |
| CN117175196B (en) * | 2023-03-16 | 2024-04-12 | 广州程星通信科技有限公司 | Common-caliber antenna array |
| CN117175196A (en) * | 2023-03-16 | 2023-12-05 | 广州程星通信科技有限公司 | Common-caliber antenna array |
| CN116207522A (en) * | 2023-05-04 | 2023-06-02 | 成都星达众合科技有限公司 | Dual-frequency dual-polarization common-caliber flat-plate antenna based on dual-cross waveguide structure |
| CN116207522B (en) * | 2023-05-04 | 2023-07-07 | 成都星达众合科技有限公司 | Dual-frequency dual-polarization common-caliber flat-plate antenna based on dual-cross waveguide structure |
| CN116470275B (en) * | 2023-05-31 | 2023-08-18 | 广东工业大学 | Dual-broadband circularly polarized large-frequency-ratio common-caliber antenna array |
| CN116470275A (en) * | 2023-05-31 | 2023-07-21 | 广东工业大学 | Dual-broadband circularly polarized large-frequency-ratio common-caliber antenna array |
| CN117154407A (en) * | 2023-10-30 | 2023-12-01 | 成都雷电微力科技股份有限公司 | Ku/Ka dual-frequency dual-polarized common-caliber antenna unit and array |
| CN117154407B (en) * | 2023-10-30 | 2024-01-23 | 成都雷电微力科技股份有限公司 | Ku/Ka dual-frequency dual-polarized common-caliber antenna unit and array |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103606745A (en) | Low section compact dual-band dual-polarization common aperture microstrip antenna | |
| CN111052504B (en) | Millimeter wave antenna array element, array antenna and communication product | |
| US9768508B2 (en) | Antenna system for simultaneous triple-band satellite communication | |
| US20180309198A1 (en) | 5g terminal antenna with reconfigurable radiation pattern | |
| CN103762425B (en) | A kind of dual-band dual-circular polarization common reflector battle array for two dimensional phased scanning | |
| CN101982900B (en) | L/S/X three-band dual-polarized planar antenna array | |
| CN104466380B (en) | Planer dual-frequency double-circle polarization array antenna | |
| US10978812B2 (en) | Single layer shared aperture dual band antenna | |
| CN109301444A (en) | Double-fed dual-band dual-circular polarization micro-strip paster antenna | |
| CN107004954B (en) | Dual-band antenna and antenna system | |
| EP3465823B1 (en) | C-fed antenna formed on multi-layer printed circuit board edge | |
| CN104332713B (en) | Monolayer double frequency round polarized micro-strip array antenna | |
| CN104505588A (en) | Dual-circular polarization microstrip antenna array | |
| WO2017015339A1 (en) | Low-profile circularly-polarized single-probe broadband antenna | |
| RU2480870C1 (en) | Multirange antenna of circular polarisation with metamaterial | |
| WO2018086329A1 (en) | Terminal antenna assembly and mobile phone | |
| CN114824779A (en) | Single-layer low-profile broadband dual-polarized patch antenna | |
| US11996629B2 (en) | Beam steering antenna structure and electronic device comprising said structure | |
| JP2013219533A (en) | Antenna device | |
| CN111162379B (en) | Polarization adjustable antenna array based on double-layer patch antenna | |
| Cai et al. | Millimeter wave low-profile relay antennas for 5g full duplex self-interference suppression | |
| CN108172993B (en) | Dual-polarized frequency reconfigurable antenna | |
| CN113013604A (en) | Antenna and antenna array | |
| KR20060017281A (en) | Flat antenna for receiving satellite broadcasting | |
| CN220652350U (en) | SP double-frequency low-profile common-aperture array antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140226 |