CN105428797B - The miniaturization unipole antenna of three frequency range Meta Materials load - Google Patents
The miniaturization unipole antenna of three frequency range Meta Materials load Download PDFInfo
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- CN105428797B CN105428797B CN201610049344.0A CN201610049344A CN105428797B CN 105428797 B CN105428797 B CN 105428797B CN 201610049344 A CN201610049344 A CN 201610049344A CN 105428797 B CN105428797 B CN 105428797B
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- ring
- radiation patch
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- inverted
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
-
- 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
- H01Q1/36—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
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Abstract
The invention discloses a kind of miniaturization unipole antennas of three frequency ranges Meta Materials load, it is included in medium substrate front and top is provided with radiation patch, it is arranged above a Q-RING one in radiation patch, radiation patch is connected with downwards microstrip feed line, there are two inverted L shape gaps for etching in radiation patch, the short side in two inverted L shape gaps is towards the same side, and the long side in two inverted L shape gaps is towards microstrip feed line；The medium substrate back side and one corresponding position of front Q-RING are provided with another Q-RING two, Q-RING two is connected with a ground wire downwards.The structure of the present invention according to different communication situations and applies needs, by the adjusting of above-mentioned each spot size parameter, realizes the centre frequency of three frequency ranges of adjustment miniaturization unipole antenna, reaches different application demands.
Description
Technical field
It is small by the micro-strip of microstrip line making work at multiple frequencies the invention belongs to microwave microstrip antenna technical field
A kind of type unipole antenna, and in particular to miniaturization unipole antenna of three frequency ranges Meta Materials load.
Background technology
Wireless communication technique is to develop one of most rapid technology in the information communications field in recent years, after global mobile communication
System (GSM:890MHz-960MHz), digital communication system (DCS:1.71GHz-1.88GHz), PCS Personal Communications System (PCS:
1.85GHz-1.99GHz), Universal Mobile Telecommunications System (UMTS:After 1.92GHz-2.17GHz), there is WLAN
(WLAN:2.4GHz-2.484GHz, 5.15GHz-5.25GHz, 5.725GHz-5.825GHz), worldwide interoperability for microwave accesses
(WiMAX:3.4GHz-3.6GHz), bluetooth (Bluetooth:2.4GHz-2.5GHz), wireless interconnected (Wi-Fi:2.4GHz-
2.484GHz) and ultra wide band (UWB:The wireless communication systems such as 3.1GHz-10.6GHz).It may be said that communication is in the modern times
Occupy increasingly consequence in the communications field.
As mobile terminal device develops to miniaturization, integrated direction, different communication systems need mutual merge, newly
It needs to realize between old system and be compatible with.The communication system that these are worked in different frequency range, using different dual-mode antennas for
Fusion and integrated and antenna arrangement between system is totally unfavorable.Therefore, single antenna is also required to cover simultaneously two or more
Frequency band, to meet the need of work of multiple systems simultaneously.It is minimized this requires antenna has, the spy of multiband/ultra wide band
The advantages of property, multiband antenna is to cover multiple communications bands simultaneously, so as to the quantity of antenna in reduction system, is conducive to
The rational deployment of antenna on limited platform, and the manufacturing cost of system can be reduced.
Although the developing history of antenna is long, the emerging class just risen recently is belonged to for the research of multifrequency antenna
Topic, especially since in recent years, oneself steps into the market-oriented stage with microwave multifrequency antenna, and up to the present, oneself is through proposing
Many novel multiple frequency antenna structures.It is easy to process since micro-strip antenna has small size, convenient for integrated feature, and
It can also be applied in prodigious frequency range by using different substrate materials, therefore the research report of external many multifrequency antennas
Announcement is all based on planar microstrip structure.2009, the normal south in the Taibei proposed a kind of microstrip antenna of T-type meander line structure,
But this antenna can only operate under two resonant frequencies, and application range is small.2011, Xu Ping proposed that a kind of forked difference is long
The multifrequency antenna of minor matters load is spent, but this conventional method can greatly increase antenna size.2012, Wang Ping proposed a kind of total
There are three the antennas of resonant frequency for the tool of face waveguide feed, but antenna structure is excessively complicated, very inconvenient in actually tuning.
Invention content
The object of the present invention is to provide a kind of miniaturization unipole antennas of three frequency ranges Meta Materials load, solve the prior art
Microstrip antenna cannot have both simultaneously miniaturization, multiband characteristic, the problem of can not achieve while covering multiple communications bands.
The technical solution adopted in the present invention is that a kind of miniaturization unipole antenna of three frequency ranges Meta Materials load is included in
Medium substrate front is top to be provided with radiation patch, and a Q-RING one, radiation patch are arranged above in radiation patch
It is connected with microstrip feed line downwards, there are two inverted L shape gap, the short side directions in two inverted L shape gaps for etching in radiation patch
The same side, the long side in two inverted L shape gaps is towards microstrip feed line；
The medium substrate back side and one corresponding position of front Q-RING are provided with another Q-RING two, Q-RING two is downward
It is connected with a ground wire.
The miniaturization unipole antenna of the three frequency range Meta Materials load of the present invention, it is further characterized in that：
The length of radiation patch is 8.5 ± 1mm, and width is 6.5 ± 1mm.
Q-RING one is identical with the size of Q-RING two, length be 6.5 ± 1mm, width be 4 ± 1mm, ring width be 0.5 ±
0.2mm。
The length of ground wire is 8.9 ± 1mm, and width is 0.3 ± 0.1mm.
The invention has the advantages that minimizing unipole antenna based on traditional micro-strip, increase by two in radiation patch
Inverted L shape gap, and a kind of annular Meta Materials loading structure is introduced, in the case where not increasing antenna body size, there are two tools
Narrow band resonances frequency range and a wideband resonance band can cover 2.4-GHz WLANs/bluetooth (2400MHz-2484MHz),
Worldwide interoperability for microwave accesses (2500-2690MHz/3400-3690MHz), 5-GHz WLANs (5150-53505MHz/
5725-5825MHz), and the resonant frequency of antenna, the frequency range of extended antenna so that antenna structure is more can be reduced
It is compact, it is easy to adjust flexible, multiple mobile communication frequency ranges can be covered and played a significant role in the communication system of application.
Description of the drawings
Fig. 1 is the positive structure schematic of present invention miniaturization unipole antenna；
Fig. 2 is the reverse structure schematic of present invention miniaturization unipole antenna；
Fig. 3 is the miniaturization unipole antenna practical application mounting structure schematic diagram of the present invention；
Fig. 4 is the frequency response characteristic of the miniaturization unipole antenna of the present invention.
In figure, 1. 3 frequency miniaturization unipole antennas, 2. amplifiers one, 3. amplifiers two, 4. filters one, 5. down coversions electricity
Road, 6. filters two, 7. amplifiers three, 8. refer to crystal oscillator, and 9. frequency synthesizers, 10.AGC modules, 11.A/D conversions, 12. is micro-
Processor, 13. related channel programs, 14. memories, 15. radiation patch, 16. inverted L shape gaps, 17. microstrip feed lines, 18. Q-RINGs
One, 19. Q-RINGs two, 20. ground wires.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Referring to Fig.1, the miniaturization unipole antenna of Fig. 2, three frequency range Meta Materials load of the invention (hereinafter referred to as minimize monopole
Antenna), structure be included in medium substrate front it is top be provided with rectangular radiation patch 15, in radiation patch 15
It is arranged above a Q-RING 1, radiation patch 15 is connected with downwards microstrip feed line 17, is etched in radiation patch 15
There are two inverted L shape gap 16, the short side in two inverted L shape gaps 16 is towards the same side (while directly break-through radiation patch 15
The side edge), the long side in two inverted L shape gaps 16 changes radiation patch 15 and two inverted L shape gaps towards microstrip feed line 17
16 dimensional values can be realized as adjusting the numberical range of three resonant frequencies of miniaturization unipole antenna；It is carried on the back in medium substrate
Face is provided with the Q-RING 2 19 of another identical size with one 18 corresponding position of front Q-RING, and Q-RING 2 19 connects downwards
There is a ground wire 20.
The present invention minimize unipole antenna dimensional parameters range be：The length of radiation patch 15 is 8.5 ± 1mm, width
For 6.5 ± 1mm；Q-RING 1 is identical with the size of Q-RING 2 19, and length is 6.5 ± 1mm, and width is 4 ± 1mm, ring width
For 0.5 ± 0.2mm；The length of ground wire 20 is 8.9 ± 1mm, and width is 0.3 ± 0.1mm.
The present invention minimizes unipole antenna in practical application, according to different communication situations and using needs, by upper
The selection for each spot size parameter stated realizes the centre frequency of three frequency ranges of adjustment miniaturization unipole antenna, to reach
Different application demands.
Embodiment
With reference to Fig. 3, present invention miniaturization unipole antenna is applied in communication system receiver, the main body knot of the receiver
Structure is, including three frequency miniaturization unipole antennas 1, three frequency miniaturization unipole antennas 1 and amplifier 1, amplifier 23, filter
One 4, lower frequency changer circuit 5, filter 26, amplifier 37, A/D conversions 11 are sequentially connected, A/D conversions 11 and related channel program 13
(signal path between associated components) connects, and related channel program 13 interconnects simultaneously with microprocessor 12 and memory 14, micro-
It is interconnected between processor 12 and memory 14；In addition, passing through the another of frequency synthesizer 9 and lower frequency changer circuit 5 with reference to crystal oscillator 8
One input terminal connects, and amplifier 37 is provided with the AGC modules 10 of oneself, is used for feedback control.
Three above-mentioned frequency miniaturization unipole antennas 1 and amplifier 1 are collectively referred to as antenna element；
Above-mentioned amplifier 23, filter 1, lower frequency changer circuit 5, filter 26, amplifier 37, with reference to crystal oscillator 8,
Frequency synthesizer 9 and AGC modules 10 are collectively referred to as lower frequency changer circuit unit；
Above-mentioned A/D conversions 11, microprocessor 12, related channel program 13 and memory 14 is collectively referred to as base band signal process list
Member.
Amplifier 1, amplifier 23 and amplifier 37, preferably the MGA683P8 type products of Avago companies, or
The SKY65047-360LF type products of Skyworks companies.
The RFX1200 daughter boards of 5 preferred Ettus research companies of lower frequency changer circuit.
The general software radio platform USRP1 of baseband signal processing unit preferred Ettus research companies.
In the present embodiment three frequency miniaturization unipole antennas 1 specific size be：The length of radiation patch 15 is 8.5mm,
Width is 6.5mm；Q-RING 1 is identical with the size of Q-RING 2 19, length 6.5mm, width 4mm, and ring width is
0.5mm；The length of ground wire 20 is 8.9mm, width 0.3mm.
When system works, first three frequency miniaturization unipole antennas 1 from faint electric signal is received in the air, via amplifier
It is sent into filter 1 after one 2 amplified signal power to desired level, enters lower change after filtering out various garbage signals and noise signal
Frequency circuit 5 reduces the signal interference between each communication channel；Meanwhile with reference to the signal of crystal oscillator 8 (TCXO) also by frequency synthesizer
9 enter lower frequency changer circuit 5；It is needed that lower frequency changer circuit 5 is selected to be down-converted to IF frequency by signal is received according to different applications,
The self circular loop by amplifier 37 after filter 26 is again passed by, the baseband signal processing unit of rear class, base band are sent into
Signal processing unit finally completes the processing work of baseband signal.
It is the frequency response characteristic that three frequency of the present invention minimizes 1 embodiment of unipole antenna, three frequency ranges with reference to Fig. 4
Centre frequency be located at 3.5GHz, 5.2GHz and 5.9GHz, bandwidth of operation is respectively 1.8GHz (2.3~4.1GHz),
500MHz (4.9~5.42GHz) and 800MHz (5.7~6.5GHz), each frequency range reflectance factor are respectively less than -15dB, are fully able to
Multiple mobile communication application frequency ranges are covered, performance meets relevant technology requirement.
Claims (1)
1. a kind of miniaturization unipole antenna of three frequency ranges Meta Materials load, it is characterised in that：It is top to be included in medium substrate front
It is provided with radiation patch (15), in the Q-RING one (18) that is arranged above of radiation patch (15), radiation patch (15)
It is connected with microstrip feed line (17) downwards, there are two inverted L shape gap (16), two inverted L shape seams for etching in radiation patch (15)
The short side of gap (16) is towards the same side, and the long sides of two inverted L shape gaps (16) is towards microstrip feed line (17)；
The medium substrate back side and front Q-RING one (18) corresponding position are provided with another Q-RING two (19), Q-RING two
(19) it is connected with a ground wire (20) downwards；
The length of the radiation patch (15) is 8.5 ± 1mm, and width is 6.5 ± 1mm；
The Q-RING one (18) is identical with the size of Q-RING two (19), and length is 6.5 ± 1mm, and width is 4 ± 1mm, ring
Width is 0.5 ± 0.2mm；
The length of the ground wire (20) is 8.9 ± 1mm, and width is 0.3 ± 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610049344.0A CN105428797B (en) | 2016-01-25 | 2016-01-25 | The miniaturization unipole antenna of three frequency range Meta Materials load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610049344.0A CN105428797B (en) | 2016-01-25 | 2016-01-25 | The miniaturization unipole antenna of three frequency range Meta Materials load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105428797A CN105428797A (en) | 2016-03-23 |
| CN105428797B true CN105428797B (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610049344.0A Active CN105428797B (en) | 2016-01-25 | 2016-01-25 | The miniaturization unipole antenna of three frequency range Meta Materials load |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961016B (en) * | 2017-05-08 | 2023-06-23 | 江苏亨鑫科技有限公司 | Four-unit MIMO antenna with different polarization and directional patterns |
| CN114094301B (en) * | 2021-10-28 | 2023-03-24 | 西安理工大学 | Preparation method of magnetic-dielectric composite material dielectric resonator and miniaturized antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201766162U (en) * | 2009-12-31 | 2011-03-16 | 天津工程师范学院 | Plane inverted F-shaped antenna |
| CN104183912A (en) * | 2014-08-13 | 2014-12-03 | 重庆大学 | Miniature double-frequency-band monopole antenna based on metamaterial unit |
-
2016
- 2016-01-25 CN CN201610049344.0A patent/CN105428797B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201766162U (en) * | 2009-12-31 | 2011-03-16 | 天津工程师范学院 | Plane inverted F-shaped antenna |
| CN104183912A (en) * | 2014-08-13 | 2014-12-03 | 重庆大学 | Miniature double-frequency-band monopole antenna based on metamaterial unit |
Non-Patent Citations (1)
| Title |
|---|
| "Multiband Metamaterial-Loaded Monopole Antenna for WLAN/WiMAX Applications";He Huang等;《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》;20141202;第2-5栏，附图2、5 * |
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| CN105428797A (en) | 2016-03-23 |
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Effective date of registration: 20180808 Address after: 528471 A 3 3 to 4 floor, East Industrial Park, sixth industrial area, Nagang village, Nang Lang, Zhongshan, Guangdong Applicant after: ZHONGSHAN B&T COMMUNICATION TECHNOLOGY CO., LTD. Address before: 710048 No. 5 Jinhua South Road, Shaanxi, Xi'an Applicant before: Xi'an University of Technology |
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