CN109149091A - PIN-based diode controls the interdigital restructural circular polarized antenna of coupling short band - Google Patents
PIN-based diode controls the interdigital restructural circular polarized antenna of coupling short band Download PDFInfo
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- CN109149091A CN109149091A CN201810821605.5A CN201810821605A CN109149091A CN 109149091 A CN109149091 A CN 109149091A CN 201810821605 A CN201810821605 A CN 201810821605A CN 109149091 A CN109149091 A CN 109149091A
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- pin
- pin diode
- interdigital
- radiation patch
- band
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Classifications
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- 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
-
- 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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
Abstract
The present invention proposes a kind of interdigital restructural circular polarized antenna of coupling short band of PIN-based diode control, comprising: dielectric-slab, radiation patch, strap, PIN diode, short circuit band, radiation patch, Shorted post, ground plane.By realizing PIN diode conducting to PIN diode making alive, PIN diode can be equivalent to resistance at this time；When not powering on to PIN diode, PIN diode is disconnected, and PIN diode can be equivalent to loading capacitance at this time.Therefore the equivalent reactance value of PIN diode is changed by the on-off of PIN diode, then realizes that antenna switches between GPS-L1 frequency range and BDS-L frequency range.With miniaturization, multiband, restructural advantage.
Description
Technical field
The present invention relates to a kind of antennas more particularly to a kind of interdigital coupling short band of PIN-based diode control to weigh
Structure circular polarized antenna.
Technical background
With the development of satellite navigation system, BDS system, which will enter, makes the overall arrangement for state, especially GPS and BDS system
Application scenarios have become a popular research direction.The circular polarized antenna for studying Shared aperture frequency reconfigurable has important reality
Border meaning.The characteristics of traditional CP paster antenna is low profile, light-weight, and manufacture is easy.However, there is also such as narrow bandwidth, electricity
Size greatly and narrow side radiate etc some disadvantages.In order to make up these deficiencies, in order to improve these performances, many researchers
A large amount of research is carried out.For example, in order to adjust broadband impedance characteristic, document Jeen-Sheen Row and Shiao-Wen
Wu, “Circularly-Polarized Wide Slot Antenna Loaded With a Parasitic Patch,”
IEEE Trans. Antennas Propag., vol. 56, pp. 2826-2832,2008 proposes one kind and passes through load
The circularly-polarized patch antenna of annular groove and parasitic patch design.Document Hang Wong, Kwok Kan So, Kung Bo Ng,
Kwai Man Luk, Chi Hou Chan, and Quan Xue, “Virtually Shorted Patch Antenna
for Circular Polarization,” IEEE Antennas Wirless Propar Lett., vol. 9,
Pp.1213-1216,2010 propose a kind of circular polarized antenna fed with cross recess and local coupling, and antenna size can be with
It is reduced by about 36%, -2dB axial ratio bandwidth is 0.65%.However above-mentioned antenna its working frequency after design is completed is immutable,
Limit its purposes.And these antenna the shortcomings that there is also structure is complicated, gain is low or AR narrow bandwidth.
Summary of the invention
The invention discloses a kind of small circularly-polarizedantenna antennas, reach frequency using the interdigital coupled structure that PIN diode loads
Rate switching, the load of Shorted post and parasitic antenna realize miniaturization.Solve in existing antenna that size is big, frequency not can be switched
The shortcomings that.
The present invention is achieved through the following technical solutions:
A kind of interdigital restructural circular polarized antenna of coupling short band of PIN-based diode control, comprising: dielectric-slab, radiation patch
Piece, strap, PIN diode, short circuit band, radiation patch, Shorted post, ground plane；The strap and the radiation patch shape
At coupled structure；One end of the short circuit band and the strap form interdigital coupled structure, and the PIN diode is inserted into institute
It states between interdigital coupled structure；The other end of the short circuit band is connected to ground plane by Shorted post.By adding to PIN diode
Voltage realizes PIN diode conducting, and PIN diode is equivalent to resistance at this time；When not powering on to PIN diode, PIN diode is disconnected
It opens, PIN diode is equivalent to loading capacitance at this time.The radiation patch be it is rectangular, fed by feed probes.Four straps
It is parallel with two diagonal lines of square-shaped radiation patch outside radiation patch.Four pairs of minor matters loads, minor matters load are located at rectangular
Near four angles of radiation patch, it is arranged close to the edge of radiation patch 1.Technical solution of the present invention has miniaturization, more waves
Section, restructural advantage.
Detailed description of the invention
Fig. 1 is the interdigital restructural circular polarized antenna of coupling short band of PIN-based diode control proposed by the present invention
Front view；
Fig. 2 is the side view of the interdigital restructural circular polarized antenna of coupling short band of PIN-based diode control proposed by the present invention
Figure；
Fig. 3 is that the restructural circular polarized antenna work of interdigital coupling short band of PIN-based diode control proposed by the present invention exists
The return loss of GPS-L1 frequency range；
Fig. 4 is that the restructural circular polarized antenna work of interdigital coupling short band of PIN-based diode control proposed by the present invention exists
The return loss of BDS-L frequency range；
Fig. 5 is that the restructural circular polarized antenna work of interdigital coupling short band of PIN-based diode control proposed by the present invention exists
3 dB AR bandwidth of GPS-L1 frequency range；
Fig. 6 is that the restructural circular polarized antenna work of interdigital coupling short band of PIN-based diode control proposed by the present invention exists
3 dB AR bandwidth of BDS-L frequency range；
Fig. 7 is that the restructural circular polarized antenna work of interdigital coupling short band of PIN-based diode control proposed by the present invention exists
The antenna pattern of GPS-L1 frequency range；
Fig. 8 is that the restructural circular polarized antenna work of interdigital coupling short band of PIN-based diode control proposed by the present invention exists
The antenna pattern of BDS-L frequency range.
1: radiation patch；2: strap；3:PIN diode；4: short circuit band；5: minor matters load；6: feed probes；7: radiation
Patch；8: Shorted post；9: ground plane.
Specific embodiment
Understand 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.
As shown in Figs. 1-2, the structure of antenna of the invention includes radiation patch 1, strap 2, PIN diode 3, short circuit band
4, minor matters load 5, feed probes 6, radiation patch 7, Shorted post 8, ground plane 9.Radiation patch 1 can be located at medium to be rectangular
One surface of plate, is fed by feed probes 6.Four straps 2 are located at 1 outside of square-shaped radiation patch and square-shaped radiation patch 1
Two diagonal lines it is parallel.PIN diode 3 is inserted into short circuit band 4 and strap 2 is formed by between interdigital coupled structure.It is short
The terminal of road band 4 is connected to ground plane by Shorted post.Minor matters load 5 is located near four angles of square-shaped radiation patch 1, close
The edge of radiation patch 1 is arranged.By realizing PIN diode conducting to PIN diode making alive, PIN diode can be waited at this time
Effect is resistance, and Antenna Operation is in GPS-L1 frequency range (1575.42MHz)；When not powering on to PIN diode, PIN diode is disconnected,
PIN diode can be equivalent to loading capacitance at this time, and Antenna Operation is in BDS-L (1610MHz-1.6265GHz) frequency range.Therefore pass through
The on-off of PIN diode changes the equivalent reactance value of PIN diode, then realizes antenna in GPS-L1 frequency range and BDS-L frequency
Switch between section.
BAR64-02LRH model can be used in PIN diode, and dielectric-slab can use FR4 material.Interdigital coupled structure
Load expands frequency adjustable extent.The side of minor matters and short circuit band load can also be loaded by slotting to radiation patch angle end
Method makes antenna miniaturization.
Fig. 3-4 is that the present embodiment works in GPS-L1 frequency range (1575.42MHz) and BDS-L frequency range (1610MHz-
1.6265GHz) return loss.Emulation and the result of actual measurement shows that, the switching of two frequencies may be implemented in the antenna proposed, real
It surveys result and also meets performance requirement.
Fig. 5-6 shows the present embodiment work in 3 dB AR bandwidth of GPS-L1 frequency range and BDS-L frequency range.It can from figure
To find out since CP performance is sensitive to change in size and processing error is inevitable, so measurement result is deviated, but it is high
CP performance in frequency band is more preferable.Experiment shows that four rectangular aperture loads and minor matters load can effectively be dropped with high current path
Low resonant frequency, and there is broadband character.In order to obtain better circular polarisation performance, our adjustable adjacent detail length
Ratio.The electric current rotation direction that two frequency ranges are observed in simulation software knows that it is right-handed circular polarization radiation.
Fig. 7-8 shows the present embodiment work in the antenna pattern of GPS-L1 frequency range and BDS-L frequency range.It can be with from figure
Find out that the antenna pattern that each frequency range measures coincide very well with the analogue value.The difference simulated between measurement may be due to
The impedance mismatching of PIN diode and capacitor causes.
This paper presents a kind of circular polarisation reconfigurable antennas.By controlling the state of PIN diode, in GPS-L1 frequency band and
The performance that frequency error factor is obtained between BDS-L frequency band, has good impedance matching performance and wider bandwidth.It is pasted with conventional microstrip
Chip antenna is compared, and size reduces 52%.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of interdigital restructural circular polarized antenna of coupling short band of PIN-based diode control, comprising: dielectric-slab, radiation
Patch, strap, PIN diode, short circuit band, radiation patch, Shorted post, ground plane；The strap and the radiation patch
Form coupled structure；One end of the short circuit band and the strap form interdigital coupled structure, and the PIN diode is inserted into
Between the interdigital coupled structure；The other end of the short circuit band is connected to ground plane by Shorted post.
2. a kind of interdigital restructural circular polarized antenna of coupling short band of PIN-based diode control as described in claim 1,
It is characterized by: PIN diode is equivalent to resistance at this time by realizing PIN diode conducting to PIN diode making alive；No
When powering on to PIN diode, PIN diode is disconnected, and PIN diode is equivalent to loading capacitance at this time.
3. a kind of interdigital restructural circular polarized antenna of coupling short band of PIN-based diode control as described in claim 1,
It is characterized by: the radiation patch be it is rectangular, fed by feed probes.
4. a kind of interdigital restructural circular polarized antenna of coupling short band of PIN-based diode control as described in claim 1,
It is characterized by: strap is four, it is parallel with two diagonal lines of square-shaped radiation patch outside radiation patch.
5. a kind of interdigital restructural circular polarized antenna of coupling short band of PIN-based diode control as described in claim 1,
It is characterized by also including four pairs of minor matters to load, and minor matters load is located near four angles of square-shaped radiation patch, close to radiation patch
The edge of piece 1 is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821605.5A CN109149091B (en) | 2018-10-27 | 2018-10-27 | Interdigital coupling short circuit band reconfigurable circularly polarized antenna based on PIN diode control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821605.5A CN109149091B (en) | 2018-10-27 | 2018-10-27 | Interdigital coupling short circuit band reconfigurable circularly polarized antenna based on PIN diode control |
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| CN109149091A true CN109149091A (en) | 2019-01-04 |
| CN109149091B CN109149091B (en) | 2023-03-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097710A (en) * | 2021-03-30 | 2021-07-09 | 大连理工大学 | Dual-mode circularly polarized frequency reconfigurable antenna |
| CN113782972A (en) * | 2021-07-30 | 2021-12-10 | 北京邮电大学 | Multi-band reconfigurable microstrip antenna |
| CN114628893A (en) * | 2022-04-13 | 2022-06-14 | 安徽大学 | S-band frequency reconstruction orbital angular momentum antenna and frequency reconstruction method |
Citations (5)
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| CN204885428U (en) * | 2015-07-22 | 2015-12-16 | 深圳市华颖泰科电子技术有限公司 | Dual -frenquency double polarization restructural microstrip antenna |
| CN204905443U (en) * | 2015-07-17 | 2015-12-23 | 深圳市华颖泰科电子技术有限公司 | Circular polarization reconfigurable microstrip antenna |
| US20160261050A1 (en) * | 2015-03-06 | 2016-09-08 | King Fahd University Of Petroleum And Minerals | Cognitive radio antenna assembly |
| CN205583130U (en) * | 2016-05-05 | 2016-09-14 | 成都北斗天线工程技术有限公司 | Circular polarization microstrip antenna |
| CN106329099A (en) * | 2016-08-29 | 2017-01-11 | 重庆邮电大学 | Broadband circularly polarized filter antenna used for Beidou terminal |
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2018
- 2018-10-27 CN CN201810821605.5A patent/CN109149091B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160261050A1 (en) * | 2015-03-06 | 2016-09-08 | King Fahd University Of Petroleum And Minerals | Cognitive radio antenna assembly |
| CN204905443U (en) * | 2015-07-17 | 2015-12-23 | 深圳市华颖泰科电子技术有限公司 | Circular polarization reconfigurable microstrip antenna |
| CN204885428U (en) * | 2015-07-22 | 2015-12-16 | 深圳市华颖泰科电子技术有限公司 | Dual -frenquency double polarization restructural microstrip antenna |
| CN205583130U (en) * | 2016-05-05 | 2016-09-14 | 成都北斗天线工程技术有限公司 | Circular polarization microstrip antenna |
| CN106329099A (en) * | 2016-08-29 | 2017-01-11 | 重庆邮电大学 | Broadband circularly polarized filter antenna used for Beidou terminal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097710A (en) * | 2021-03-30 | 2021-07-09 | 大连理工大学 | Dual-mode circularly polarized frequency reconfigurable antenna |
| CN113097710B (en) * | 2021-03-30 | 2022-09-06 | 大连理工大学 | Dual-mode circularly polarized frequency reconfigurable antenna |
| CN113782972A (en) * | 2021-07-30 | 2021-12-10 | 北京邮电大学 | Multi-band reconfigurable microstrip antenna |
| CN114628893A (en) * | 2022-04-13 | 2022-06-14 | 安徽大学 | S-band frequency reconstruction orbital angular momentum antenna and frequency reconstruction method |
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| Publication number | Publication date |
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| CN109149091B (en) | 2023-03-24 |
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