CN109560384A - The certainly complementary broadband multimode antenna of modified standard applied to LTE/WWAN - Google Patents
The certainly complementary broadband multimode antenna of modified standard applied to LTE/WWAN Download PDFInfo
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- CN109560384A CN109560384A CN201811269575.8A CN201811269575A CN109560384A CN 109560384 A CN109560384 A CN 109560384A CN 201811269575 A CN201811269575 A CN 201811269575A CN 109560384 A CN109560384 A CN 109560384A
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- antenna
- lte
- wwan
- rectangular
- modified standard
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- 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
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
Abstract
The invention belongs to wireless communication technology fields, disclose a kind of certainly complementary broadband multimode antenna of the modified standard applied to LTE/WWAN, and antenna is provided with Rectangular Enclosure with Participating Media substrate；Microstrip feed line and radiation patch are located at the upper surface of Rectangular Enclosure with Participating Media substrate；Metal floor is located at the lower surface of Rectangular Enclosure with Participating Media substrate.Wherein, radiation patch is made of triangle radiation patch and narrow rectangular radiation patch；Clearance channel is etched on metal floor, clearance channel is collectively formed by triangular slits, narrow rectangular aperture, wide rectangular aperture, and the top on rectangular metal floor is provided with metal adjutage.The present invention has minimized antenna volume, has expanded bandwidth of operation, realizes the broadband character of antenna；Antenna multi-mode feature is formd, the requirement of more multi wireless communication standard is met；Aerial radiation out-of-roundness characteristic is improved, and there is very simple structure, to reduce the complexity of antenna in radio communication system.
Description
Technical field
The invention belongs to wireless communication technology field more particularly to a kind of modified standard applied to LTE/WWAN are certainly complementary
Broadband multimode antenna.
Background technique
In a wireless communication system, " wide-band " known to You Xiangnong theorem and " high capacity " are a pair of of near synonym, so day
The broadband design of line is always hot research direction.In recent years, the diversity requirements of broad-band antenna application are continuously increased, especially
It is the rapid development with wireless network, the third generation, forth generation communication system cover comprehensively, in order to be suitable for comprehensively
The short haul connection of 3G, 4G terminal device and wireless terminal device designs a kind of structure and simply covers multi-mode frequency range
Terminal antenna has important value.Currently, antenna used in Modern wireless communication terminal still has the following problems: 1. knots
Structure is complicated, volume is big, section is high, causes the processing, installation, integrated 2. frequency range of difficulty covering of antenna not comprehensive, there are needs
3. radiation characteristic of the case where being cooperated using mutiple antennas is bad, will affect the usage experience sense of user.So size compared with
Multimode antenna how is designed in small mobile terminal device enables it to the multiple standard frequency ranges for effectively covering mobile communication, and
And can guarantee good radiation characteristic, so that many-sided mobile device usage experience for guaranteeing user, anticipates with important research
Justice.
Summary of the invention
In view of the problems of the existing technology, the present invention provides one kind to be applied to simple structure in terminal device, low cuts open
Face, small in size, wideband, omnidirectional multimode antenna, it is intended to solve wireless terminal device antenna structure is complicated, section is high, bandwidth
Problem narrow, horizontal omnidirectional characteristic is bad.
The invention reside in reasonable utilizations from complementary technology, has effectively broadened the bandwidth of antenna；It is designed in the present invention
Improved radiation patch and metal floor collective effect multiple resonant paths are formd by coupled resonance technology, make antenna
Multimode operation characteristic significantly improves while miniature antenna volume；The present invention in the current path of planning and designing antenna as far as possible
The bilateral symmetry for guaranteeing antenna structure, to obtain low out-of-roundness characteristic.
Modified standard of the present invention applied to LTE/WWAN is provided with from complementary broadband multimode antenna
One piece of Rectangular Enclosure with Participating Media substrate；Metal micro-strip feeder line and metal radiation patch are located at the upper surface of Rectangular Enclosure with Participating Media substrate；
Metal floor is located at the lower surface of Rectangular Enclosure with Participating Media substrate.
Further, the radiation patch is by triangle radiation patch and narrow rectangular radiation patch；
Further, rectangular metal floor top has metal adjutage, is etched with clearance channel on metal floor, clearance channel by
Triangular slits, narrow rectangular aperture, wide rectangular aperture are constituted.
Preferably, the length of the Rectangular Enclosure with Participating Media substrate and broadband are respectively Lg=120mm and Wg=50mm；It is micro-
The length of ribbon feeder and broadband are respectively Lf=100mm and Wf=1.9mm, for being matched with 50 ohm of SMA head.
Preferably, two angle thetas of the triangular slits1And θ272.3 ° and 72 ° respectively, triangular slits
Distance W of the bottom edge apart from narrow rectangular aperture1=21.8mm, the length L of rectangular aperture1=12mm；The length W of metal adjutage2=
25mm.For the working band of antenna to be adjusted in the basic, normal, high range of LTE.
Another object of the present invention is to provide the modified standard for being applied to LTE/WWAN described in a kind of application is wide from complementation
Wireless communication system with multimode antenna.
Another object of the present invention is to provide the modified standard for being applied to LTE/WWAN described in a kind of application is wide from complementation
Wireless network control system with multimode antenna.
Another object of the present invention is to provide the modified standard for being applied to LTE/WWAN described in a kind of application is wide from complementation
Intelligent terminal with multimode antenna.
In conclusion advantages of the present invention and good effect are as follows: antenna of the invention using modified standard from complementary structure,
Make antenna that there is the omni-directional of good broadband character and horizontal direction；Antenna of the invention uses improved metal floor, it
With complementary type radiation fin collective effect, different current resonance paths is formd, so that multiple resonance points are obtained, so that being applied to
Multimode antenna under wireless terminal standard shows good multi-mode feature.(1) by the complementary type structure of invention Antenna Design with
The rectangular metal adjutage collective effect on antenna metal floor top, so that the low frequency operation band resonance path of antenna obviously increases
Long, the electric current for being distributed in radiation fin and floor constitutes longer loop, is equivalent to significantly miniature antenna volume.By
The total length in calculating current path is 140mm, about 0.35 λ0.75(λ0.75For the corresponding operation wavelength of 0.75GHz)；(2) by sending out
The complementary type radiation patch of bright Antenna Design acts on, and the current path length of formation is 50mm, so that antenna resonance is frequent in
Section 2.12GHz, about 0.35 λ2.12(λ2.12For the corresponding operation wavelength of 2.12GHz) (3) by invention Antenna Design metal floor
Rectangular aperture effect, so that antenna resonance, in high-frequency band 3.35GHz, total path length is equal to 27.7mm, about 0.30 λ3.35
(λ3.35For the corresponding operation wavelength of 3.35GHz).
Compared with prior art, the present invention, which has the special feature that, is:
(1) inventive antenna uses planar monolayer dielectric-slab structure, and feed structure and floor panel structure are directly printed on medium
The front and back sides of plate, relative in terminal antenna frequently with three-dimensional structure for, inventive antenna have foolproof structure
And with easy processing, welding, integrated characteristic；
(2) inventive antenna uses quasi- from complementary type structure, the guarantee non-frequency dependent characteristic of antenna impedance, to obtain wider
Bandwidth of operation, the antenna using return loss be greater than 6dB as standard, working band range be 0.69-1.10GHz and 1.70-
3.85GHz, relative bandwidth are respectively 45.8% and 77.5%.On the other hand, after antenna uses symmetrical structure, level is reduced
The out-of-roundness in direction has good horizontal omnidirectional radiation characteristic.It is respectively in the out-of-roundness of basic, normal, high three resonance frequency points
1.5dB, 5dB and 4.3dB.
(3) inventive antenna devises triangle and rectangular radiation patch, corresponding to devise the metal floor being complementary
And metal adjutage is loaded on floor, by couple feed technology row at three resonant tanks, greatly improve antenna
Multi-mode feature, reduce antenna volume.The antenna operating band range is 0.69-1.10GHz and 1.70-3.85GHz.It can
It covers LTE700/800 (704~875MHz), GSM850/900 (824~960MHz), DCS1800 (1710~1880MHz),
PCS1900 (1850~1990MHz), UMTS (1920~2170MHz), LTE 2300/2500 (2305~2400MHz/2500~
2690MHz), IEEE 802.11 (2400~2485MHz) and LTE3400/3600 (3400~3600MHz/3600~
3800MHz) the requirement of 12 frequency ranges completely effectively covers the high, medium and low frequency range of LTE/WWAN.
Detailed description of the invention
Fig. 1 is the certainly complementary broadband multi-mode antenna architectures of the modified standard provided in an embodiment of the present invention applied to LTE/WWAN
Schematic diagram；
Fig. 2 is aerial radiation body portion partial view provided in an embodiment of the present invention；
Fig. 3 is antenna port return loss plot provided in an embodiment of the present invention；
Fig. 4 is horizontal radiation pattern of the antenna provided in an embodiment of the present invention in 0.75GHz；
Fig. 5 is elevation radiation patytern of the antenna provided in an embodiment of the present invention in 0.75GHz；
Fig. 6 is horizontal radiation pattern of the antenna provided in an embodiment of the present invention in 2.1GHz；
Fig. 7 is elevation radiation patytern of the antenna provided in an embodiment of the present invention in 2.1GHz；
Fig. 8 is horizontal radiation pattern of the antenna provided in an embodiment of the present invention in 3.35GHz；
Fig. 9 is elevation radiation patytern of the antenna provided in an embodiment of the present invention in 3.35GHz；
In figure: 1, Rectangular Enclosure with Participating Media substrate；2, microstrip feed line；3, radiation patch；3-1, triangle radiation fin；3-2, narrow rectangle
Radiation fin；4, metal floor；4-1, narrow rectangular metal Extendible flake；4-2, gap；4-3, triangular slits；4-4, narrow rectangular slits
Gap；4-5, wide rectangular aperture.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Present invention seek to address that scarce capacity problem of the multimode antenna when covering multiple working bands, while also solving day
The asymmetry problem of beta radiation directional diagram.The present invention improves antenna omnidirectional radianting capacity, reduces cross-pole when aerial radiation
Change；It ensure that antenna has good radiation characteristic within the scope of broadband operation.
Application principle of the invention is explained in detail with reference to the accompanying drawing.
As shown in Figure 1, the modified standard provided in an embodiment of the present invention applied to LTE/WWAN is from complementary broadband multimode day
Line includes: Rectangular Enclosure with Participating Media substrate 1, microstrip feed line 2, radiation patch 3, metal floor 4.
Rectangular Enclosure with Participating Media substrate 1 uses relative dielectric constant for 4.4FR4 dielectric material, with a thickness of H, length and width point
It Wei not Lg and Wg.Microstrip feed line 2 and radiation patch 3 are located at the upper surface of Rectangular Enclosure with Participating Media substrate 1, the length and width of microstrip feed line 2
Degree is respectively LfAnd Wf.Radiation patch 3 is made of triangle radiation patch 3-1 and narrow rectangular radiation patch 3-2.Metal floor 4
Positioned at the lower surface of Rectangular Enclosure with Participating Media substrate 1,4 top of rectangular metal floor has metal adjutage 4-1.It is etched on metal floor 4
4-2, gap 4-2 are had the gap by triangular slits 4-3, narrow rectangular aperture 4-4, wide rectangular aperture 4-5.
The length of Rectangular Enclosure with Participating Media substrate 1 and broadband are respectively Lg=120mm and Wg=50mm, the length of microstrip feed line 2 and
Broadband is respectively Lf=100mm and Wf=1.9mm.
As shown in Fig. 2, triangle radiation fin 3-1 and triangular slits 4-3 shape size are completely the same, and equally, narrow rectangle
Radiation fin 3-2 and the shape size of narrow rectangular aperture 4-4 are also completely the same.Two angle thetas of triangular slits 4-31And θ2Respectively
72.3 ° and 72 °, distance W of the bottom edge of triangular slits 4-3 apart from narrow rectangular aperture 4-41=21.8mm, rectangular aperture 4-4's
Length L1=12mm.By adjusting metal adjutage W2Length change the working frequency points of low frequency；Adjusting triangle shape spoke can be passed through
The size of piece 3-1 is penetrated to adjust the working frequency points of intermediate frequency；The work of high frequency can be adjusted by adjusting the size of narrow rectangular aperture 4-4
Make frequency point.The length W of metal adjutage is obtained after optimization calculates2=25mm.
Application effect of the invention is explained in detail below with reference to emulation.
1, emulation content
1.1 carry out emulation meter to the reflection coefficient of port loss in above embodiment using business simulation software HFSS_15.0
It calculates, as a result as shown in Figure 3.
1.2 far field horizontal, the vertical spokes for being worked examples detailed above in 0.75GHz using business simulation software HFSS_15.0
It penetrates directional diagram and carries out simulation calculation, it is as a result as shown in Figure 4 and Figure 5 respectively.
1.4 far field horizontal, the vertical radiations for being worked examples detailed above in 2.1GHz using business simulation software HFSS_15.0
Directional diagram carries out simulation calculation, as a result as shown in Figure 6 and Figure 7 respectively.
1.5 far field horizontal, the vertical spokes for being worked examples detailed above in 3.35GHz using business simulation software HFSS_15.0
It penetrates directional diagram and carries out simulation calculation, it is as a result as shown in Figure 8 and Figure 9 respectively.
2, simulation result
As shown in figure 3, being greater than 6dB as standard using return loss, the impedance bandwidth of embodiment port is 0.69-1.10GHz
And 1.70-3.85GHz, relative bandwidth are respectively 45.8% and 77.5%.
It can meet wireless standard LTE700/800 (704~875MHz) simultaneously, GSM850/900 (824~960MHz),
DCS1800 (1710~1880MHz), PCS1900 (1850~1990MHz), UMTS (1920~2170MHz), LTE 2300/
2500 (2305~2400MHz/2500~2690MHz), IEEE802.11 (2400~2485MHz) and LTE3400/3600
The requirement of (3400~3600MHz/3600~3800MHz) 12 frequency ranges.The complete height for effectively covering LTE/WWAN,
In, low-frequency range.
As shown in Fig. 4-Fig. 9, be embodiment port feed in the case of, work three different operating frequency points (it is low, in,
It is high) when normalization far field radiation pattern, by these figures it can be concluded that embodiment showed in the face H (horizontal plane) it is good
The radiation characteristic of omnidirectional.Have in the face E (vertical plane) and is similar to∞The antenna pattern of font.
The above result shows that inventive antenna has wide bandwidth of operation and good radiation characteristic, and structure is very simple
It is single, easy processing at low cost and integrated.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of certainly complementary broadband multimode antenna of modified standard applied to LTE/WWAN, which is characterized in that described to be applied to
The modified standard of LTE/WWAN is provided with from complementary broadband multimode antenna
Rectangular Enclosure with Participating Media substrate；
Microstrip feed line and radiation patch are located at the upper surface of Rectangular Enclosure with Participating Media substrate；
Metal floor is located at the lower surface of Rectangular Enclosure with Participating Media substrate.
2. as described in claim 1 applied to the certainly complementary broadband multimode antenna of the modified standard of LTE/WWAN, which is characterized in that
The radiation patch is by triangle radiation patch and narrow rectangular radiation patch；
Rectangular metal floor top has metal adjutage, and etching has the gap on metal floor, gap is by triangular slits, narrow square
Shape gap, wide rectangular aperture are constituted.
3. as described in claim 1 applied to the certainly complementary broadband multimode antenna of the modified standard of LTE/WWAN, which is characterized in that
Two angle thetas of the triangular slits1And θ272.3 ° and 72 ° respectively, the bottom edge of triangular slits is apart from narrow rectangular aperture
Distance W1=21.8mm, the length L of rectangular aperture1=12mm；The length W of metal adjutage2=25mm.
4. as described in claim 1 applied to the certainly complementary broadband multimode antenna of the modified standard of LTE/WWAN, which is characterized in that
The length of the Rectangular Enclosure with Participating Media substrate and broadband are respectively Lg=120mm and Wg=50mm；The length of microstrip feed line and broadband point
It Wei not Lf=100mm and Wf=1.9mm.
5. a kind of using the certainly complementary broadband multimode of the modified standard for being applied to LTE/WWAN described in Claims 1 to 4 any one
The wireless communication system of antenna.
6. a kind of using the certainly complementary broadband multimode of the modified standard for being applied to LTE/WWAN described in Claims 1 to 4 any one
The wireless network control system of antenna.
7. a kind of using the certainly complementary broadband multimode of the modified standard for being applied to LTE/WWAN described in Claims 1 to 4 any one
The intelligent terminal of antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811269575.8A CN109560384B (en) | 2018-10-29 | 2018-10-29 | Improved quasi-self-complementary broadband multimode antenna applied to LTE/WWAN |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811269575.8A CN109560384B (en) | 2018-10-29 | 2018-10-29 | Improved quasi-self-complementary broadband multimode antenna applied to LTE/WWAN |
Publications (2)
| Publication Number | Publication Date |
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| CN109560384A true CN109560384A (en) | 2019-04-02 |
| CN109560384B CN109560384B (en) | 2021-05-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140895A (en) * | 2020-01-17 | 2021-07-20 | 大唐移动通信设备有限公司 | Dual-frequency antenna and communication equipment |
| CN115064876A (en) * | 2022-07-08 | 2022-09-16 | 辽宁工程技术大学 | Ultra-wideband and narrowband frequency reconfigurable antenna |
| CN117154423A (en) * | 2023-10-31 | 2023-12-01 | 成都辰星迅联科技有限公司 | Planar Gao Rongcha millimeter wave phased array antenna |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847682A (en) * | 1996-09-16 | 1998-12-08 | Ke; Shyh-Yeong | Top loaded triangular printed antenna |
| KR100362176B1 (en) * | 1999-12-22 | 2002-11-23 | 주식회사 팬택앤큐리텔 | Zigzag-shape Microstrip Patch Antenna |
| TW595041B (en) * | 2003-05-23 | 2004-06-21 | Weng Jin Lu | Quasi-self-complementary antenna |
| CN101065881A (en) * | 2004-05-21 | 2007-10-31 | 艾利森电话股份有限公司 | Broadband array antennas using complementary antenna |
| CN101385199A (en) * | 2006-02-16 | 2009-03-11 | 日本电气株式会社 | Small-size wide-band antenna and radio communication device |
| CN102664307A (en) * | 2012-05-18 | 2012-09-12 | 哈尔滨工业大学 | Slot-loaded multi-frequency printed antenna |
| CN203434275U (en) * | 2013-09-04 | 2014-02-12 | 中国计量学院 | Symmetric right triangle microstrip antenna |
| CN106329145A (en) * | 2016-09-08 | 2017-01-11 | 哈尔滨工程大学 | OCSRR slot antenna based on microstrip line feed |
-
2018
- 2018-10-29 CN CN201811269575.8A patent/CN109560384B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847682A (en) * | 1996-09-16 | 1998-12-08 | Ke; Shyh-Yeong | Top loaded triangular printed antenna |
| KR100362176B1 (en) * | 1999-12-22 | 2002-11-23 | 주식회사 팬택앤큐리텔 | Zigzag-shape Microstrip Patch Antenna |
| TW595041B (en) * | 2003-05-23 | 2004-06-21 | Weng Jin Lu | Quasi-self-complementary antenna |
| CN101065881A (en) * | 2004-05-21 | 2007-10-31 | 艾利森电话股份有限公司 | Broadband array antennas using complementary antenna |
| CN101385199A (en) * | 2006-02-16 | 2009-03-11 | 日本电气株式会社 | Small-size wide-band antenna and radio communication device |
| CN102664307A (en) * | 2012-05-18 | 2012-09-12 | 哈尔滨工业大学 | Slot-loaded multi-frequency printed antenna |
| CN203434275U (en) * | 2013-09-04 | 2014-02-12 | 中国计量学院 | Symmetric right triangle microstrip antenna |
| CN106329145A (en) * | 2016-09-08 | 2017-01-11 | 哈尔滨工程大学 | OCSRR slot antenna based on microstrip line feed |
Non-Patent Citations (3)
| Title |
|---|
| ASHOK KUMAR: ""Design and Analysis of CPW-fed Quasi-Self-Complementary Pentagonal Antenna for Ultra-wideband Systems"", 《2014 INTERNATIONAL CONFERENCE ON SIGNAL PROPAGATION AND COMPUTER TECHNOLOGY (ICSPCT 2014)》 * |
| HUI LI: ""Design of Tri-Band Quasi-Self-Complementary Antenna for WLAN and WiMAX Applications"", 《PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS》 * |
| 游佰强等著: "《现代天线实用设计技术》", 30 September 2016 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140895A (en) * | 2020-01-17 | 2021-07-20 | 大唐移动通信设备有限公司 | Dual-frequency antenna and communication equipment |
| CN115064876A (en) * | 2022-07-08 | 2022-09-16 | 辽宁工程技术大学 | Ultra-wideband and narrowband frequency reconfigurable antenna |
| CN115064876B (en) * | 2022-07-08 | 2024-01-12 | 辽宁工程技术大学 | Ultra-wideband and narrowband frequency reconfigurable antenna |
| CN117154423A (en) * | 2023-10-31 | 2023-12-01 | 成都辰星迅联科技有限公司 | Planar Gao Rongcha millimeter wave phased array antenna |
| CN117154423B (en) * | 2023-10-31 | 2023-12-29 | 成都辰星迅联科技有限公司 | Planar Gao Rongcha millimeter wave phased array antenna |
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| CN109560384B (en) | 2021-05-25 |
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