CN202977740U - Ultra-wideband antenna being able to reconstruct band-notched frequency band - Google Patents
Ultra-wideband antenna being able to reconstruct band-notched frequency band Download PDFInfo
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- CN202977740U CN202977740U CN 201220209125 CN201220209125U CN202977740U CN 202977740 U CN202977740 U CN 202977740U CN 201220209125 CN201220209125 CN 201220209125 CN 201220209125 U CN201220209125 U CN 201220209125U CN 202977740 U CN202977740 U CN 202977740U
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Abstract
The utility model discloses an ultra-wideband antenna being able to reconstruct band-notched frequency bands, wherein the antenna is provided with a planar structure and is printed on a medium substrate. One side of the substrate is provided with an antenna radiator, which possesses a dual-step lower chafmer (13) plane paster structure (11). A U-shaped groove I (12) is etched at the intermediate position of the radiator. An antenna feed line employs a microstrip line structure (17), which is provided with a DC blocking capacitor (14). The other side is provided with a grounding surface (18), a U-shaped groove II (15) is etched on the grounding surface, a PIN diode is crossing over the U-shaped groove II (15), and the PIN diode is connected with the microstrip line through a through hole (16). The microstrip line and the through hole comprise the circuit of a PIN diode control signal, and the reconstruction between an ultra wide band frequency spectrum and an ultra wide band-notched frequency spectrum is realized through the control on the on/off state of the PIN diode. According to the ultra-wideband antenna being able to reconstruct band-notched frequency bands, additional interference caused by a jump wire mode is prevented, electromagnetic performance of the antenna is better, and the structure is firmer.
Description
Technical field
The utility model relates to the ultra-wideband antenna that a kind of restructural band falls into frequency band.Antenna can form band to the interference signal in working band and fall into, and has the reconstruct between the sunken frequency spectrum of ultra broadband frequency spectrum and ultra broadband band.The utility model belongs to the technical field that electronic informatics is contained.
Background technology
According to the system standard that Federal Communications Committee (FCC) formulates, the operating frequency of radio ultra wide band system (UWB) is 3.1GHz to 10.6GHz, the wide 7.5GHz that reaches.
Due to the ultra broadband of radio ultra wide band system, in its working band, overlapping the frequency band of other wireless communication system is such as, operating frequency is 4.9GHz to the IEEE802.11a of 5.9GHz or HIPERLAN/2 system etc.Therefore, when existing as systems such as IEEE802.11a or HIPERLAN/2 in the working region of radio ultra wide band system, the electromagnetic interference (EMI) of the signal formation of a system to another system, vice versa, thereby destroy communication quality each other.
Technical, the method for eliminating inter-system interference adopts band pass filter or band stop filter more.And compared to stoping interference signal to enter system, specific frequency spectrum being had the antenna that band falls into function, obviously, the latter is that radio ultra wide band system overcomes interference the most directly and effective measures.
Planar monopole minor structure with two ladder undercut angles has the electromagnetic property of ultrabroad band.The U-shaped groove of etching on the monopole plane can form the frequency band band and fall into, and band falls into frequency and determined by the length of U-shaped groove, and in theory, this length falls into 1/2nd of frequency wavelength for band.PIN diode can be connected across on U-shaped groove, controls the Push And Release of PIN diode, can realize that ultra broadband frequency spectrum and ultra broadband band fall into the reconstruct between frequency spectrum.The fly line mode is adopted in existing control to PIN diode, and this has weakened the robustness of antenna structure on the one hand, and on the other hand, additional fly line has certain impact to the radiation of antenna, makes more complicated that the design of antenna and optimizing process become.
Summary of the invention
Technical problem: by Given this, the purpose of this utility model is to propose the ultra-wideband antenna that a kind of restructural band falls into frequency band, additional U-shaped groove on its ground plane, cross-over connection PIN diode on U-shaped groove, utilize feeder line and the via hole of antenna, consist of the loop of control signal, realize the open and close of PIN diode are controlled.
Technical scheme: a kind of restructural band of the present utility model falls into the ultra-wideband antenna of frequency band, is made of U-shaped groove II and PIN diode on the plane single-stage radiator of two ladder undercut angles, U-shaped groove I, microstrip line feeder line, ground plane, ground plane on the single-stage radiator of plane.Antenna radiator, microstrip line feeder line and ground plane are metal material, are printed on dielectric substrate.
The side that U-shaped groove I on two ladder undercut angles plane single-stage radiator, radiator and microstrip line feeder line are positioned at dielectric substrate.The microstrip line feeder line is fed into radiator with the ultra-broadband signal of transmitter output, and simultaneously, the ultra-broadband signal that radiator is received is input to receiver.
The opposite side that U-shaped groove II on ground plane, ground plane, PIN diode are positioned at dielectric substrate.By via hole, the control signal on the microstrip line feeder line acts on PIN diode, realizes open and close control.
Description of drawings
The invention will be further elaborated below in conjunction with accompanying drawing.
Fig. 1 is the physical dimension figure that restructural band of the present utility model falls into the ultra-wideband antenna of frequency band.
Fig. 2 is the scheme of installation of PIN diode control signal.
Fig. 3 is that the reflection coefficient (S11) of antenna port is with the curve chart of signal frequency change.
Embodiment
Restructural band of the present utility model falls into the ultra-wideband antenna of frequency band, and as shown in Figure 1, 2, radiator is for having the rectangular patch structure (11) of two ladder undercut angles (13); In the centre position of paster, a U-shaped groove I of etching (12); The feeder line of antenna adopts microstrip line feeder line (17); Rectangular radiator, U-shaped groove I and microstrip feed line are printed on a side of dielectric substrate (22).
As shown in Figure 1, 2, at the opposite side of dielectric substrate, print ground plane (18); On ground plane, a U-shaped groove II of etching (15); In the centre position of U-shaped groove II, a PIN diode of cross-over connection (21); PIN diode is connected with the microstrip line feeder line by via hole (16).
As shown in Figure 1, 2, due to the equivalent LC effect of the electric capacity on the microstrip line feeder line (14) with via hole, the microstrip line feeder line is transferred to receiver with the high-frequency electromagnetic signal that radiator receives, or transmitting of transmitter is fed into radiator by the microstrip line feeder line.Electric capacity on the microstrip line feeder line (14) has every straight effect the control signal of PIN diode, and control signal is applied on PIN diode by the loop that microstrip line feeder line and via hole form, and controls the Push And Release of diode.
When the length of U-shaped groove I and U-shaped groove II is a half of IEEE802.11a or HIPERLAN/2 operation wavelength, the S11 parameter of antenna port with the change curve of frequency as shown in Figure 3.Wherein, (31) are the curve when PIN diode is conducting state, and the ultra broadband band of representative antennas falls into frequency spectrum; (32) for when PIN diode being the curve during by state, the ultra broadband frequency spectrum of representative antennas.As seen, control by the open and close to PIN diode, can realize that the ultra broadband band falls into the reconstruct between frequency spectrum and ultra broadband frequency spectrum.
Claims (4)
1. a restructural band falls into the ultra-wideband antenna of frequency band, consisted of by radiator, U-shaped groove I, microstrip feed line, substrate, U-shaped groove II and PIN diode, it is characterized in that: the U-shaped groove I on radiator, radiator is connected with the microstrip line feeder line, be positioned at a side of substrate, U-shaped groove II on ground plane, ground plane and the PIN diode that is connected across U-shaped groove II are positioned at the opposite side of substrate, and PIN diode is connected with the microstrip line feeder line by via hole.
2. restructural band according to claim 1 falls into the ultra-wideband antenna of frequency band, it is characterized in that: radiator adopts two ladder undercut angles planes single step arrangement.
3. restructural band according to claim 1 falls into the ultra-wideband antenna of frequency band, it is characterized in that: have two U-shaped grooves, one is etched on two ladder undercut angles planar monopole devices, and another is etched on ground plane.
4. restructural band according to claim 1 falls into the ultra-wideband antenna of frequency band, it is characterized in that: be positioned at centre position cross-over connection one PIN diode of the U-shaped groove II on ground plane, be connected with the microstrip line feeder line by via hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209125 CN202977740U (en) | 2012-05-10 | 2012-05-10 | Ultra-wideband antenna being able to reconstruct band-notched frequency band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209125 CN202977740U (en) | 2012-05-10 | 2012-05-10 | Ultra-wideband antenna being able to reconstruct band-notched frequency band |
Publications (1)
| Publication Number | Publication Date |
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| CN202977740U true CN202977740U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220209125 Expired - Fee Related CN202977740U (en) | 2012-05-10 | 2012-05-10 | Ultra-wideband antenna being able to reconstruct band-notched frequency band |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604839A (en) * | 2013-11-10 | 2014-02-26 | 西安科技大学 | Wireless gas concentration sensor based on ultra wide band trap function |
| CN104201466A (en) * | 2014-09-01 | 2014-12-10 | 西安电子科技大学 | Frequency reconfigurable filtering antenna with end-on-fire characteristics |
| CN104362431A (en) * | 2014-10-28 | 2015-02-18 | 电子科技大学 | Bluetooth ultra-wideband antenna with reconfigurable notch characteristics |
| CN105514598A (en) * | 2016-01-15 | 2016-04-20 | 天津大学 | Small coplanar waveguide fed broadband antenna |
| CN106299612A (en) * | 2016-08-05 | 2017-01-04 | 天津大学 | A kind of monopole antenna based on flexible wearable application |
| CN109193150A (en) * | 2018-09-26 | 2019-01-11 | 钟祥博谦信息科技有限公司 | Trap reconfigurable antenna and design method |
| CN114597669A (en) * | 2022-02-14 | 2022-06-07 | 西安科技大学 | Honeycomb ultra-wideband high-gain hexagonal array dielectric lens |
-
2012
- 2012-05-10 CN CN 201220209125 patent/CN202977740U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604839A (en) * | 2013-11-10 | 2014-02-26 | 西安科技大学 | Wireless gas concentration sensor based on ultra wide band trap function |
| CN104201466A (en) * | 2014-09-01 | 2014-12-10 | 西安电子科技大学 | Frequency reconfigurable filtering antenna with end-on-fire characteristics |
| CN104201466B (en) * | 2014-09-01 | 2017-04-19 | 西安电子科技大学 | Frequency reconfigurable filtering antenna with end-on-fire characteristics |
| CN104362431A (en) * | 2014-10-28 | 2015-02-18 | 电子科技大学 | Bluetooth ultra-wideband antenna with reconfigurable notch characteristics |
| CN105514598A (en) * | 2016-01-15 | 2016-04-20 | 天津大学 | Small coplanar waveguide fed broadband antenna |
| CN106299612A (en) * | 2016-08-05 | 2017-01-04 | 天津大学 | A kind of monopole antenna based on flexible wearable application |
| CN109193150A (en) * | 2018-09-26 | 2019-01-11 | 钟祥博谦信息科技有限公司 | Trap reconfigurable antenna and design method |
| CN114597669A (en) * | 2022-02-14 | 2022-06-07 | 西安科技大学 | Honeycomb ultra-wideband high-gain hexagonal array dielectric lens |
| CN114597669B (en) * | 2022-02-14 | 2024-04-12 | 西安科技大学 | Honeycomb ultra-wideband high-gain hexagonal array medium lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI AN UNIVERSITY OF SCIENCE + TECHNOLOGY Free format text: FORMER OWNER: LIU JIAN Effective date: 20140414 Free format text: FORMER OWNER: XI AN UNIVERSITY OF SCIENCE + TECHNOLOGY Effective date: 20140414 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140414 Address after: 710054 Shaanxi Province, Xi'an Yanta District Yanta Road No. 58 Patentee after: Xi'an University of Science and Technology Address before: 710054 School of communication and information engineering, Xi'an University of Science And Technology, Yanta Road, Yanta District, Shaanxi, Xi'an 58, China Patentee before: Liu Jian Patentee before: Xi'an University of Science and Technology |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20140510 |