CN104269618B - frequency-reconfigurable microstrip antenna and switch configuration method thereof - Google Patents
frequency-reconfigurable microstrip antenna and switch configuration method thereof Download PDFInfo
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- CN104269618B CN104269618B CN201410490007.6A CN201410490007A CN104269618B CN 104269618 B CN104269618 B CN 104269618B CN 201410490007 A CN201410490007 A CN 201410490007A CN 104269618 B CN104269618 B CN 104269618B
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Abstract
The invention relates to a frequency-reconfigurable microstrip antenna and a switch configuration method of the frequency- reconfigurable microstrip antenna. The antenna performs electricity feed in a side feeding mode and comprises a dielectric plate and an SMA connector, a semicircular radiating unit is arranged on the upper surface of the dielectric plate, and the inner ring of the semicircular radiating unit is perpendicularly provided with a microstrip antenna body; a metal patch grounding plate is arranged on the lower surface of the dielectric plate; the metal patch grounding plate is transversely provided with a first open groove and a second open groove which are parallel with each other; a patch radio frequency switch S9 is arranged in the middle of the first open groove in a spanning mode, and the inner center of the SMA connector is connected with a microstrip feeder line; the outer surface of the SMA connector is connected with the metal patch grounding plate. The smoothing function is integrated in the frequency-reconfigurable microstrip antenna, and therefore the antenna can be used for sensing the whole frequency band and then adjusting the band width of the frequency band to select an appropriate sub-band for work. Communication under the condition of various band widths and frequency bands can be met, and the frequency-reconfigurable microstrip antenna has good application value in wireless communication.
Description
Technical field
The present invention relates to a kind of frequency reconfigurable microstrip antenna and its switchgear distribution method, for cognitive radio application.
Background technology
At present, various development of wireless communication systems tend to Large Copacity, multi-functional, ultra broadband integrative solution.My god
As the front end of various wireless communication systems, its performance has most important line for communication system functionality.So, antenna send out
Exhibition also accordingly tends to multifrequency, broadband, miniaturization etc..With the increasingly complication of wireless communication system, transceiver must be effectively
Process several different frequency ranges, the increasing of number of antennas, lead to higher hardware complexity the problems such as space layout.Restructural sky
Line can be real at aspects such as the directional diagram of antenna, operating frequency, polarization characteristics in the case of the size not changing antenna and structure
Now reconstruct, realizing an antenna can multiple functions, the different environment of adaptation and requirement.
Content of the invention
It is an object of the invention to provide a kind of frequency reconfigurable microstrip antenna, various bandwidth can be met, under the conditions of frequency range
Communication.
The present invention adopts below scheme to realize：A kind of frequency reconfigurable microstrip antenna it is characterised in that：This antenna adopts side
Feedback mode feeds, and it includes a dielectric-slab and a sub-miniature A connector, and the upper surface of described dielectric-slab is provided with a semicircular ring radiation list
Unit, the internal ring of described semicircular ring radiating element is vertically installed with a microstrip antenna；The lower surface of described dielectric-slab is provided with a gold medal
Belong to paster earth plate；Described metal patch earth plate laterally offers two the first parallel flutings and the second fluting, by this gold
Belong to paster earth plate and be divided into first area, second area and the 3rd region；Described first fluting and the second fluting mid portion
Width ratio two rim portion width big；The centre of described first fluting mid portion has paster radio-frequency (RF) switch S9, both sides
Part has several patch capacitors respectively；The centre of described second fluting mid portion has intermediate patches electric capacity, and
This mid portion is symmetrically bridged with this intermediate patches electric capacity for axle both sides four radio-frequency (RF) switch S1-S8；Described 3rd region is opened
It is provided with threeth fluting parallel with the described first fluting；The both sides of described 3rd fluting symmetrically offer three groups of L-type flutings, and should
Patch capacitor is had respectively on three groups of L-type flutings；The heart of described sub-miniature A connector is connected with described microstrip feed line；This SMA connects
The outer surface pin of head is connected with described metal patch earth plate.
In an embodiment of the present invention, one end of the first L-type fluting of the three groups of L-types in left side fluting respectively with the 3rd fluting and
The second fluting connection between radio-frequency (RF) switch S5 and S7, and connectivity part has patch capacitor；The three groups of L-types in described left side are opened
One end of the second L-type fluting of groove is connected with the second fluting being located between radio-frequency (RF) switch S3 and S5, and connectivity part is provided with patch
Chip capacitor；One end of the 3rd L-type fluting of the three groups of L-types flutings in described left side and second opening of being located between radio-frequency (RF) switch S1 and S3
Groove connects, and connectivity part is provided with patch capacitor.
In an embodiment of the present invention, one end of the first L-type fluting of the three groups of L-types in right side fluting respectively with the 3rd fluting and
The second fluting connection between radio-frequency (RF) switch S6 and S8, and connectivity part has patch capacitor；The three groups of L-types in described right side are opened
One end of the second L-type fluting of groove is connected with the second fluting being located between radio-frequency (RF) switch S4 and S6, and connectivity part is provided with patch
Chip capacitor；One end of the 3rd L-type fluting of the three groups of L-types flutings in described right side and second opening of being located between radio-frequency (RF) switch S2 and S4
Groove connects, and connectivity part is provided with patch capacitor.
In an embodiment of the present invention, the width of described microstrip feed line is 3mm.
In an embodiment of the present invention, the width of described first fluting and the second fluting two rim portion is 0.4mm.
In an embodiment of the present invention, described patch capacitor for 100pf.
In an embodiment of the present invention, described first fluting two rim portion are respectively symmetrically and equidistant have four pasters
Electric capacity.
In an embodiment of the present invention, described second fluting two rim portion are respectively symmetrically and equidistant have two pasters
Electric capacity.
It is a further object of the present invention to provide a kind of switchgear distribution method of above-mentioned antenna it is characterised in that：This antenna has
Standby five frequency ranges, include frequency sub-band 1, frequency sub-band 2, frequency sub-band 3, frequency sub-band 4 and full frequency band respectively；The opening of described frequency sub-band 1
Closing configuration is that radio-frequency (RF) switch S1-S10 is fully closed；The switchgear distribution of described frequency sub-band 2 is radio-frequency (RF) switch S1 and S2 opens, and remaining radio frequency is opened
Guan Guan；The switchgear distribution of described frequency sub-band 3 is radio-frequency (RF) switch S3 and S4 opens, and remaining radio-frequency (RF) switch is closed；The switch of described frequency sub-band 4
Configuration is radio-frequency (RF) switch S5 and S6 opens, and remaining radio-frequency (RF) switch is closed；The switchgear distribution of full frequency band is radio-frequency (RF) switch S7, S8, S9 and S10
Open, remaining radio-frequency (RF) switch；Described S10 is arranged on the 3rd fluting.
The present invention in frequency reconfigurable antenna integrating filtering function so that antenna can be used to sense in whole frequency
Band, then adjusts its bandwidth to select suitable sub-band to be operated.Various bandwidth, the communication under the conditions of frequency range can be met,
There is good using value in wireless communications.
Brief description
Fig. 1 is inventive antenna structure top view.
Fig. 2 is inventive antenna structure upward view.
Fig. 3 is inventive antenna structure front view.
Fig. 4 is inventive joint sectional view.
In figure：1 is semicircular ring radiating element, and 2 is microstrip feed line, and 3 is sub-miniature A connector, and 4 is dielectric-slab, and 5 connect for metal patch
Floor, 6 is the first fluting, and 7 is the second fluting, and 8 is first area, and 9 is second area, and 10 is the 3rd region, and 11,12 is centre
Part, 13,14,15,16 is two rim portion, and 17 is the 3rd fluting, and 18 is heart, and 19 is outer surface pin, and 20 is three groups of left side L
First L-type fluting of type fluting, 21 is the second L-types fluting of left side three groups of L-types fluting, and 22 is the of the three groups of L-type flutings in left side
Three L-type flutings, 23 is the first L-type fluting of the three groups of L-type flutings in right side, and 24 is the second L-type fluting of the three groups of L-type flutings in right side,
25 is the 3rd L-type fluting of the three groups of L-type flutings in right side.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Elaborate detail in order to fully understand the present invention in the following description.But the present invention can with multiple not
It is same as alternate manner described here to implement, those skilled in the art can do class without prejudice in the case of intension of the present invention
Like popularization.Therefore the present invention is not limited by following public specific embodiment.
As shown in Figures 1 to 4, the present embodiment provide a kind of frequency reconfigurable microstrip antenna it is characterised in that：This antenna is adopted
Fed with side feedback mode, it includes a dielectric-slab 4 and a sub-miniature A connector 3, and the upper surface of described dielectric-slab is provided with a semicircular ring spoke
Penetrate unit 1, the internal ring of described semicircular ring radiating element is vertically installed with a microstrip antenna 2；The lower surface setting of described dielectric-slab
There is a metal patch earth plate 5；Described metal patch earth plate laterally offers two the first parallel flutings 6 and the second fluting
7, this metal patch earth plate is divided into first area 8, second area 9 and the 3rd region 10；Described first fluting and second
The width of width ratio two rim portion 13,14,15,16 of fluting mid portion 11,12 is big；In described first fluting mid portion
Between have paster radio-frequency (RF) switch S9, two rim portion have several patch capacitors respectively；Described second fluting mid portion
Centre have intermediate patches electric capacity, and this mid portion is symmetrically bridged four for axle both sides with this intermediate patches electric capacity and penetrates
Frequency switch S1-S8；Described 3rd region offers threeth fluting 17 parallel with the described first fluting；The two of described 3rd fluting
Side symmetrically offers three groups of L-type flutings, and has patch capacitor respectively on this three groups of L-type flutings；Described sub-miniature A connector interior
The heart 18 is connected with described microstrip feed line；The outer surface pin 19 of this sub-miniature A connector is connected with described metal patch earth plate.
Continuing with referring to Fig. 2, in the present embodiment Fig. 2 one end of the first L-type fluting 20 of the three groups of L-type flutings in left side respectively with
3rd fluting 17 and the second fluting 7 connection being located between radio-frequency (RF) switch S5 and S7, and connectivity part has patch capacitor；Described
One end of the second L-type fluting 21 of the three groups of L-type flutings in left side is connected with the second fluting 7 being located between radio-frequency (RF) switch S3 and S5,
And connectivity part is provided with patch capacitor；One end of the 3rd L-type fluting 22 of the three groups of L-types flutings in described left side with positioned at radio-frequency (RF) switch
The second fluting 7 connection between S1 and S3, and connectivity part is provided with patch capacitor.First L-type fluting of the three groups of L-type flutings in right side
23 one end connects with the 3rd fluting with positioned at the second fluting between radio-frequency (RF) switch S6 and S8 respectively, and connectivity part has patch
Chip capacitor；The three groups of L-types in described right side one end of the second L-type fluting 24 slotted and be located between radio-frequency (RF) switch S4 and S6 second
Fluting connection, and connectivity part is provided with patch capacitor；One end of the 3rd L-type fluting 25 of the three groups of L-type flutings in described right side and position
The second fluting connection between radio-frequency (RF) switch S2 and S4, and connectivity part is provided with patch capacitor.
8. in an embodiment of the present invention, the width of described microstrip feed line is Wf=3mm, in figure r=37.5mm, Wr
=10mm, Ra=5.8mm, Rb=12mm, Lf=37.5mm.Described first fluting and the second width slotting two rim portion are
0.4mm.In an embodiment of the present invention, described first fluting two rim portion are respectively symmetrically and equidistant have four paster electricity
Hold.Described second fluting two rim portion are respectively symmetrically and equidistant have two patch capacitors.Described patch capacitor be
100pf, introduces patch capacitor in fluting, can serve as the bridge in gap；Additionally, radio-frequency (RF) switch s1-s6 symmetrical expression is integrated in
In the fluting gap of mid portion, for controlling antenna electrical length.It is noted that referring to Fig. 2, in the present embodiment, warp
Metallic ground paster external wire 26 after fluting segmentation, totally 9 external connections；This antenna possesses five frequency ranges, includes son respectively
Frequency range 1, frequency sub-band 2, frequency sub-band 3, frequency sub-band 4 and full frequency band；The switchgear distribution of described frequency sub-band 1 is radio-frequency (RF) switch S1-S10
Fully closed；The switchgear distribution of described frequency sub-band 2 is radio-frequency (RF) switch S1 and S2 opens, and remaining radio-frequency (RF) switch is closed；The switch of described frequency sub-band 3
Configuration is radio-frequency (RF) switch S3 and S4 opens, and remaining radio-frequency (RF) switch is closed；The switchgear distribution of described frequency sub-band 4 is radio-frequency (RF) switch S5 and S6
Open, remaining radio-frequency (RF) switch is closed；The switchgear distribution of full frequency band is that radio-frequency (RF) switch S7, S8, S9 and S10 open, remaining radio-frequency (RF) switch；Described
S10 is arranged on the 3rd fluting.
I.e. as shown in the table.
Switchgear distribution situation
| Configuration | Frequency sub-band 1 | Frequency sub-band 2 | Frequency sub-band 3 | Frequency sub-band 4 | Full frequency band |
| S1 | Close | Open | Close | Close | Close |
| S2 | Close | Open | Close | Close | Close |
| S3 | Close | Close | Open | Close | Close |
| S4 | Close | Close | Open | Close | Close |
| S5 | Close | Close | Close | Open | Close |
| S6 | Close | Close | Close | Open | Close |
| S7 | Close | Close | Close | Close | Open |
| S8 | Close | Close | Close | Close | Open |
| S9 | Close | Close | Close | Close | Open |
| S10 | Close | Close | Close | Close | Open |
Although the present invention is open as above with preferred embodiment, it is not for limiting the present invention, any this area
Without departing from the spirit and scope of the present invention, the methods and techniques content that may be by the disclosure above is to this for technical staff
Bright technical scheme makes possible variation and modification, and therefore, every content without departing from technical solution of the present invention, according to the present invention
Technical spirit any simple modification, equivalent variations and modification that above example is made, belong to technical solution of the present invention
Protection domain.The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent
Change and modify, all should belong to the covering scope of the present invention.
Claims (7)
1. a kind of frequency reconfigurable microstrip antenna it is characterised in that：This antenna is fed using side feedback mode, and it includes a dielectric-slab
With a sub-miniature A connector, the upper surface of described dielectric-slab is provided with a semicircular ring radiating element, the internal ring of described semicircular ring radiating element
It is vertically installed with a microstrip feed line；The lower surface of described dielectric-slab is provided with a metal patch earth plate；Described metal patch connects
Floor laterally offers two parallel first flutings and the second fluting, by this metal patch earth plate be divided into first area,
Second area and the 3rd region；The width of width ratio two rim portion of described first fluting and the second fluting mid portion is big；Institute
The centre stating the first fluting mid portion has paster radio-frequency (RF) switch S9, and two rim portion have several paster electricity respectively
Hold；The centre of described second fluting mid portion has intermediate patches electric capacity, and this mid portion is with this intermediate patches electric capacity
Symmetrically bridging for axle both sides has four radio-frequency (RF) switch S1-S8；Described 3rd region offers parallel with the described first fluting the
Three flutings；The both sides of described 3rd fluting symmetrically offer three groups of L-type flutings, and have patch respectively on this three groups of L-type flutings
Chip capacitor；The heart of described sub-miniature A connector is connected with described microstrip feed line；
The outer surface pin of this sub-miniature A connector is connected with described metal patch earth plate；
Slot and be located between radio-frequency (RF) switch S5 and S7 with the 3rd respectively in one end of first L-type fluting of the three groups of L-type flutings in left side
The second fluting connection, and connectivity part has patch capacitor；One end of second L-type fluting of the three groups of L-type flutings in described left side
Connect with the second fluting between radio-frequency (RF) switch S3 and S5, and connectivity part is provided with patch capacitor；The three groups of L-types in described left side
One end of the 3rd L-type fluting of fluting is connected with the second fluting being located between radio-frequency (RF) switch S1 and S3, and connectivity part is provided with
Patch capacitor；
Slot and be located between radio-frequency (RF) switch S6 and S8 with the 3rd respectively in one end of first L-type fluting of the three groups of L-type flutings in right side
The second fluting connection, and connectivity part has patch capacitor；One end of second L-type fluting of the three groups of L-type flutings in described right side
Connect with the second fluting between radio-frequency (RF) switch S4 and S6, and connectivity part is provided with patch capacitor；The three groups of L-types in described right side
One end of the 3rd L-type fluting of fluting is connected with the second fluting being located between radio-frequency (RF) switch S2 and S4, and connectivity part is provided with
Patch capacitor.
2. frequency reconfigurable microstrip antenna according to claim 1 it is characterised in that：The width of described microstrip feed line is
3mm.
3. frequency reconfigurable microstrip antenna according to claim 1 it is characterised in that：Described first fluting and the second fluting
The width of two rim portion is 0.4mm.
4. frequency reconfigurable microstrip antenna according to claim 1 it is characterised in that：Described patch capacitor is 100pf.
5. frequency reconfigurable microstrip antenna according to claim 1 it is characterised in that：Described first fluting two rim portion divide
Not symmetrical and equidistant have four patch capacitors.
6. frequency reconfigurable microstrip antenna according to claim 1 it is characterised in that：Described second fluting two rim portion divide
Not symmetrical and equidistant have two patch capacitors.
7. a kind of switchgear distribution method of frequency reconfigurable microstrip antenna as claimed in claim 1 it is characterised in that：This antenna
Possess five frequency ranges, include frequency sub-band 1, frequency sub-band 2, frequency sub-band 3, frequency sub-band 4 and full frequency band respectively；Described frequency sub-band 1
Switchgear distribution is that radio-frequency (RF) switch S1-S10 is fully closed；The switchgear distribution of described frequency sub-band 2 is radio-frequency (RF) switch S1 and S2 opens, remaining radio frequency
Switch closes；The switchgear distribution of described frequency sub-band 3 is radio-frequency (RF) switch S3 and S4 opens, and remaining radio-frequency (RF) switch is closed；The opening of described frequency sub-band 4
Pass configuration is radio-frequency (RF) switch S5 and S6 opens, and remaining radio-frequency (RF) switch is closed；The switchgear distribution of full frequency band be radio-frequency (RF) switch S7, S8, S9 and
S10 opens, remaining radio-frequency (RF) switch；Described S10 is arranged on the 3rd fluting.
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| CN201410490007.6A CN104269618B (en) | 2014-09-24 | 2014-09-24 | frequency-reconfigurable microstrip antenna and switch configuration method thereof |
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| CN201410490007.6A CN104269618B (en) | 2014-09-24 | 2014-09-24 | frequency-reconfigurable microstrip antenna and switch configuration method thereof |
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| CN104269618B true CN104269618B (en) | 2017-02-15 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868238B (en) * | 2015-04-20 | 2017-10-17 | 电子科技大学 | Directional diagram reconstructable aerial based on split ring resonator |
| CN106785412B (en) * | 2017-03-04 | 2019-07-23 | 深圳市景程信息科技有限公司 | Restructural slot antenna based on sickle-shaped structure |
| CN108550988A (en) * | 2018-03-12 | 2018-09-18 | 北京航空航天大学 | A kind of individually controllable frequency/directional diagram mixes restructural slot antenna |
| CN110927541B (en) * | 2019-12-09 | 2021-08-03 | 国网上海市电力公司 | Reconfigurable antenna sensor for detecting partial discharge of switch cabinet |
| CN113193374A (en) * | 2021-04-27 | 2021-07-30 | 重庆邮电大学 | Frequency reconfigurable antenna loaded with PIN diode and method |
| CN115207619B (en) * | 2022-07-25 | 2023-04-28 | 中国电子科技集团公司第五十四研究所 | Terahertz wave band directional diagram reconfigurable antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6292143B1 (en) * | 2000-05-04 | 2001-09-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Multi-mode broadband patch antenna |
| CN201789074U (en) * | 2010-08-13 | 2011-04-06 | 芜湖睿尔科技有限公司 | Indoor coverage patch antenna with low profile for mobile communication |
| CN103427170A (en) * | 2012-05-18 | 2013-12-04 | 捷讯研究有限公司 | Compact multi-band antenna for worldwide mobile handset applications |
| CN203690491U (en) * | 2013-11-27 | 2014-07-02 | 哈尔滨飞羽科技有限公司 | Ultra-wideband antenna with WLAN dual band-notched characteristic |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4054270B2 (en) * | 2003-03-24 | 2008-02-27 | 峰光電子株式会社 | Dual band slot bow tie antenna and configuration method thereof |
| JP2007142977A (en) * | 2005-11-21 | 2007-06-07 | National Institute Of Information & Communication Technology | Tunable antenna and its control method |
| CN204103039U (en) * | 2014-09-24 | 2015-01-14 | 福州大学至诚学院 | Frequency reconfigurable microstrip antenna |
-
2014
- 2014-09-24 CN CN201410490007.6A patent/CN104269618B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6292143B1 (en) * | 2000-05-04 | 2001-09-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Multi-mode broadband patch antenna |
| CN201789074U (en) * | 2010-08-13 | 2011-04-06 | 芜湖睿尔科技有限公司 | Indoor coverage patch antenna with low profile for mobile communication |
| CN103427170A (en) * | 2012-05-18 | 2013-12-04 | 捷讯研究有限公司 | Compact multi-band antenna for worldwide mobile handset applications |
| CN203690491U (en) * | 2013-11-27 | 2014-07-02 | 哈尔滨飞羽科技有限公司 | Ultra-wideband antenna with WLAN dual band-notched characteristic |
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