CN105428797A - Three frequency band metamaterial-loaded small-sized monopole antenna - Google Patents
Three frequency band metamaterial-loaded small-sized monopole antenna Download PDFInfo
- Publication number
- CN105428797A CN105428797A CN201610049344.0A CN201610049344A CN105428797A CN 105428797 A CN105428797 A CN 105428797A CN 201610049344 A CN201610049344 A CN 201610049344A CN 105428797 A CN105428797 A CN 105428797A
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- ring
- miniaturized
- antenna
- inverted
- radiation patch
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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
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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
-
- 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
Abstract
The invention discloses a three frequency band metamaterial-loaded small-sized monopole antenna, comprising a radiating paster; the radiating paster leans against the upper part of the front surface of a medium base plate; a square ring I is arranged right above the radiating paster downwards connected with a microband feeder; two inverted L-shaped seams are etched in the radiating paster; short sides of the two inverted L-shaped seams face the same side; long sides of the two inverted L-shaped seams face the microband feeder; the position, corresponding to the square ring I of the front surface, of the back surface of the medium substrate is provided with another square ring II downwards connected with a grounding wire. According to the structure of the monopole antenna, according to requirements of different communication occasions and application, by adjusting size and parameters of each part, center frequencies of three frequency bands of the small-sized monopole antenna are realized, and different application requirements are achieved.
Description
Technical field
The invention belongs to microwave microstrip antenna technical field, is by the microstrip line making work miniaturized unipole antenna of micro-band at multiple frequencies, is specifically related to the miniaturized unipole antenna that a kind of three frequency range Meta Materials load.
Background technology
Wireless communication technology develops one of technology the most rapidly in information communication field in recent years, the global system for mobile communications that continues (GSM:890MHz-960MHz), digital communication system (DCS:1.71GHz-1.88GHz), PCS Personal Communications System (PCS:1.85GHz-1.99GHz), after Universal Mobile Telecommunications System (UMTS:1.92GHz-2.17GHz), there is WLAN (wireless local area network) (WLAN:2.4GHz-2.484GHz, 5.15GHz-5.25GHz, 5.725GHz-5.825GHz), worldwide interoperability for microwave access (WiMAX:3.4GHz-3.6GHz), bluetooth (Bluetooth:2.4GHz-2.5GHz), the wireless communication system such as wireless interconnected (Wi-Fi:2.4GHz-2.484GHz) and ultra broadband (UWB:3.1GHz-10.6GHz).Can say that communication occupies more and more consequence in modern communications field.
Along with mobile terminal device is to miniaturized, integrated future development, different communication systems needs mutually to need realization compatible between fusion, new-old system.These are worked in the communication system of different frequency range, adopt different dual-mode antennas for the fusion between system and integrated and antenna arrangement is totally unfavorable.Therefore, single antenna also needs to cover two or more frequency band simultaneously, to meet the need of work of multiple system simultaneously.This just requires that antenna has the characteristic of miniaturization, multiband/ultra broadband, simultaneously the advantage of multiband antenna can cover multiple communications band, thus can in minimizing system antenna quantity, be 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, but the research for multifrequency antenna belongs to the emerging problem of just rising recently, especially from recent years, oneself of microwave multifrequency antenna in progressively coming into the market stage, up to the present, oneself is through proposing much novel multiple frequency antenna structure.Because micro-strip antenna has small size, be easy to processing, be convenient to integrated feature, but also by adopting different backing materials to apply in very large frequency range, therefore the research report of external a lot of multifrequency antenna is all based on planar microstrip structure.2009, the normal south in the Taibei proposed a kind of microstrip antenna of T-shaped meander line structure, but this antenna can only work at the two resonance frequencies, and range of application is little.2011, Xu Ping proposed the multifrequency antenna that a kind of forked different length minor matters load, but this conventional method can increase antenna size greatly.2012, Wang Ping proposed a kind of antenna with three resonance frequencys of coplanar wave guide feedback, but antenna structure is too complicated, very inconvenient in the middle of reality is tuning.
Summary of the invention
The object of this invention is to provide the miniaturized unipole antenna that a kind of three frequency range Meta Materials load, solve the characteristic that prior art microstrip antenna can not have miniaturization, multiband concurrently simultaneously, the problem simultaneously covering multiple communications band can not be realized.
The technical solution adopted in the present invention is, the miniaturized unipole antenna that a kind of three frequency range Meta Materials load, be included in that medium substrate front is top is provided with radiation patch, a Q-RING one is provided with directly over radiation patch, radiation patch is connected with microstrip feed line downwards, in radiation patch, be etched with two inverted L shape gaps, the minor face in these two inverted L shape gaps is towards the same side, and the long limit in these two inverted L shape gaps is towards microstrip feed line;
The medium substrate back side and front Q-RING one correspondence position are provided with another Q-RING two, and Q-RING two is connected with an earth connection downwards.
The miniaturized unipole antenna that three frequency range Meta Materials of the present invention load, is further characterized in that:
The length of radiation patch is 8.5 ± 1mm, and width is 6.5 ± 1mm.
Q-RING one and Q-RING two measure-alike, length is 6.5 ± 1mm, and width is 4 ± 1mm, and ring width is 0.5 ± 0.2mm.
The length of earth connection is 8.9 ± 1mm, and width is 0.3 ± 0.1mm.
The invention has the beneficial effects as follows, based on traditional miniaturized unipole antenna of micro-band, radiation patch increases by two inverted L shape gaps, and introduce a kind of annular Meta Materials loading structure, when not increasing antenna body size, there is two narrow band resonances frequency ranges and a wideband resonance band, 2.4-GHz WLAN (wireless local area network)/bluetooth (2400MHz-2484MHz) can be covered, worldwide interoperability for microwave access (2500-2690MHz/3400-3690MHz), 5-GHz WLAN (wireless local area network) (5150-53505MHz/5725-5825MHz), and the resonance frequency of antenna can be reduced, the frequency band range of extended antenna, make antenna structure compacter, flexibly easy to adjust, multiple mobile communication frequency range can be covered, in the communication system of application, play a significant role.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of the miniaturized unipole antenna of the present invention;
Fig. 2 is the inverse layer structure schematic diagram of the miniaturized unipole antenna of the present invention;
Fig. 3 is miniaturized unipole antenna practical application mounting structure schematic diagram of the present invention;
Fig. 4 is the frequency response characteristic of miniaturized unipole antenna of the present invention.
In figure, 1. three frequency miniaturized unipole antenna, 2. amplifier one, 3. amplifiers two, 4. filter one, 5. lower frequency changer circuit, 6. filter two, 7. amplifier three, 8. with reference to crystal oscillator, 9. frequency synthesizer, 10.AGC module, 11.A/D changes, 12. microprocessors, 13. related channel programs, 14. memories, 15. radiation patch, 16. inverted L shape gaps, 17. microstrip feed lines, 18. Q-RING one, 19. Q-RING two, 20. earth connections.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
With reference to Fig. 1, Fig. 2, the miniaturized unipole antenna (hereinafter referred to as miniaturized unipole antenna) that the present invention three frequency range Meta Materials loads, its structure is, be included in that medium substrate front is top is provided with rectangular radiation patch 15, a Q-RING 1 is provided with directly over radiation patch 15, radiation patch 15 is connected with microstrip feed line 17 downwards, two inverted L shape gaps 16 are etched with in radiation patch 15, the minor face in these two inverted L shape gaps 16 is towards the same side (simultaneously this side edge of direct break-through radiation patch 15), the long limit in these two inverted L shape gaps 16 is towards microstrip feed line 17, the dimensional values changing radiation patch 15 and two inverted L shape gaps 16 just can realize the number range of three resonance frequencys regulating miniaturized unipole antenna, be provided with the Q-RING 2 19 of another same size at the medium substrate back side and front Q-RING 1 correspondence position, Q-RING 2 19 is connected with an earth connection 20 downwards.
The dimensional parameters scope of the miniaturized unipole antenna of the present invention is: the length of radiation patch 15 is 8.5 ± 1mm, and width is 6.5 ± 1mm; Q-RING 1 and Q-RING 2 19 measure-alike, length is 6.5 ± 1mm, and width is 4 ± 1mm, and ring width is 0.5 ± 0.2mm; The length of earth connection 20 is 8.9 ± 1mm, and width is 0.3 ± 0.1mm.
The miniaturized unipole antenna of the present invention is when practical application, according to different communication situations and application needs, by the selection of each above-mentioned spot size parameter, realize the centre frequency of three frequency ranges of the miniaturized unipole antenna of adjustment, reach different application demands.
Embodiment
With reference to Fig. 3, miniaturized for the present invention unipole antenna is applied in communication system receiver, the agent structure of this receiver is, comprise the miniaturized unipole antenna 1 of three frequencies, the miniaturized unipole antenna 1 of three frequencies is changed 11 with amplifier 1, amplifier 23, filter 1, lower frequency changer circuit 5, filter 26, amplifier 37, A/D and is connected successively, A/D conversion 11 is connected with related channel program 13 (signalling channel between associated components), related channel program 13 is connected to each other with microprocessor 12 and memory 14 simultaneously, is connected to each other between microprocessor 12 and memory 14; In addition, be connected with another input of lower frequency changer circuit 5 by frequency synthesizer 9 with reference to crystal oscillator 8, and amplifier 37 is provided with the AGC module 10 of oneself, for FEEDBACK CONTROL.
The above-mentioned miniaturized unipole antenna 1 of three frequencies is called antenna element together with amplifier 1;
Above-mentioned amplifier 23, filter 1, lower frequency changer circuit 5, filter 26, amplifier 37, reference crystal oscillator 8, frequency synthesizer 9 are called lower frequency changer circuit unit together with AGC module 10;
Above-mentioned A/D conversion 11, microprocessor 12, related channel program 13 are called baseband signal processing unit together with memory 14.
Amplifier 1, amplifier 23 and amplifier 37, the MGA683P8 type product of preferred Avago company, or the SKY65047-360LF type product of Skyworks company.
The RFX1200 daughter board of the preferred Ettusresearch company of lower frequency changer circuit 5.
The general software radio platform USRP1 of the preferred Ettusresearch company of baseband signal processing unit.
The concrete size of the miniaturized unipole antenna 1 of three frequencies in the present embodiment is: the length of radiation patch 15 is 8.5mm, and width is 6.5mm; Q-RING 1 and Q-RING 2 19 measure-alike, length is 6.5mm, and width is 4mm, and ring width is 0.5mm; The length of earth connection 20 is 8.9mm, and width is 0.3mm.
When system works, first the miniaturized unipole antenna 1 of three frequencies receives the faint signal of telecommunication from aerial, filter 1 is sent into via after amplifier 1 amplifying signal power to desired level, enter lower frequency changer circuit 5 after the various unwanted signal of filtering and noise signal, reduce the signal disturbing between each communication channel; Meanwhile, the signal with reference to crystal oscillator 8 (TCXO) also enters lower frequency changer circuit 5 by frequency synthesizer 9; Need to select lower frequency changer circuit 5 that Received signal strength is down-converted to IF-FRE according to different application, again after filtering after device 26 through the self circular loop of amplifier 37, send into the baseband signal processing unit of rear class, baseband signal processing unit finally completes the work for the treatment of of baseband signal.
With reference to Fig. 4, it is the frequency response characteristic of miniaturized unipole antenna 1 embodiment of the present invention three frequency, the centre frequency of three frequency ranges lays respectively 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 reflection coefficient is all less than-15dB, and can cover multiple mobile communication application frequency range completely, performance meets relevant technical requirement.
Claims (4)
1. the miniaturized unipole antenna of a frequency range Meta Materials loading, it is characterized in that: be included in that medium substrate front is top is provided with radiation patch (15), a Q-RING one (18) is provided with directly over radiation patch (15), radiation patch (15) is connected with microstrip feed line (17) downwards, two inverted L shape gaps (16) are etched with in radiation patch (15), the minor face of these two inverted L shape gaps (16) is towards the same side, and the long limit of these two inverted L shape gaps (16) is towards microstrip feed line (17);
The medium substrate back side and front Q-RING one (18) correspondence position are provided with another Q-RING two (19), and Q-RING two (19) is connected with an earth connection (20) downwards.
2. the miniaturized unipole antenna of three frequency range Meta Materials loadings according to claim 1, is characterized in that: the length of described radiation patch (15) is 8.5 ± 1mm, and width is 6.5 ± 1mm.
3. the miniaturized unipole antenna of three frequency range Meta Materials loadings according to claim 1, it is characterized in that: described Q-RING one (18) and Q-RING two (19) measure-alike, length is 6.5 ± 1mm, and width is 4 ± 1mm, and ring width is 0.5 ± 0.2mm.
4. the miniaturized unipole antenna of three frequency range Meta Materials loadings according to claim 1, is characterized in that: the length of described earth connection (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 |
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| CN105428797A true CN105428797A (en) | 2016-03-23 |
| CN105428797B CN105428797B (en) | 2018-09-18 |
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| 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205393A1 (en) * | 2017-05-08 | 2018-11-15 | 江苏亨鑫科技有限公司 | Four-element mimo antenna with different polarizations and directional patterns |
| CN114094301A (en) * | 2021-10-28 | 2022-02-25 | 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 |
|---|
| HE HUANG等: ""Multiband Metamaterial-Loaded Monopole Antenna for WLAN/WiMAX Applications"", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205393A1 (en) * | 2017-05-08 | 2018-11-15 | 江苏亨鑫科技有限公司 | Four-element mimo antenna with different polarizations and directional patterns |
| CN114094301A (en) * | 2021-10-28 | 2022-02-25 | 西安理工大学 | Preparation method of magnetic-dielectric composite material dielectric resonator and miniaturized antenna |
| 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 |
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| Publication number | Publication date |
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| CN105428797B (en) | 2018-09-18 |
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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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