CN203260722U - Miniaturized high-isolation and broadband antenna adopting differential feed and multilayer paster structures - Google Patents
Miniaturized high-isolation and broadband antenna adopting differential feed and multilayer paster structures Download PDFInfo
- Publication number
- CN203260722U CN203260722U CN 201320275033 CN201320275033U CN203260722U CN 203260722 U CN203260722 U CN 203260722U CN 201320275033 CN201320275033 CN 201320275033 CN 201320275033 U CN201320275033 U CN 201320275033U CN 203260722 U CN203260722 U CN 203260722U
- Authority
- CN
- China
- Prior art keywords
- antenna
- ground floor
- layer
- glass cloth
- laminated board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The utility model discloses a miniaturized high-isolation and broadband antenna adopting differential feed and multilayer paster structures. The antenna comprises a pair of multilayer paster antennas, wherein the structures of the multilayer paster antennas are the same and the multilayer paster antennas are orthogonally arranged in a back-to-back mode. Each multilayer paster antenna is formed by three layers of medium plates and four layers of circuits. The antenna of the utility model is used for mobile communication. The differential feed structure can well restrain a cross polarization problem of the common antenna. Because of the orthogonal arrangement, the high isolation is further possessed. Simultaneously, the multilayer paster structure is used so as to generate two similar resonant frequencies and a wide working bandwidth is possessed. By using the antenna of the utility model, the cross polarization is small; the isolation is high; the bandwidth is large; a design contradiction between antenna miniaturization and the broadband, and the miniaturization and the high isolation is solved; the antenna is suitable for mobile communication scenes of a compact repeater, a miniwatt base station and the like; the design is novel, creative and practical.
Description
Technical field
The utility model relates to the antenna in wireless mobile communications field, and is particularly a kind of based on differential feed and the wide band antenna of the high isolation of multiple-layered patches miniaturized structure.
Background technology
Antenna is to receive in the wireless communication system and send electromagnetic energy conversion device, is indispensable part in the mobile radio system.Along with the development of wireless mobile telecommunication technology, more and more higher to the requirement of antenna.The research of antenna is just towards the future development of multiband, multipolarization, broadband, high isolation, miniaturization.Wherein bandwidth of operation and isolation are the important indicators of weighing the antenna service behaviour.
For micro-strip paster antenna, common method and the technology of expanding at present bandwidth of operation comprise following several: the one, and select the little baseplate material of dielectric constant, and increase substrate thickness; The 2nd, the shape of change microband paste; The 3rd, adopt feeding technique and impedance match technique; The 4th, adopt parasitic a period of time technology.
Under the scene of some mobile communication, because the restriction of volumetric spaces or application scenarios, antenna need to be close to placement back-to-back, for example Along Railway and highway are being carried out mobile communication signal when covering, the zone that covers point-blank, dual-mode antenna adopts the form of placing back-to-back to be conducive to antenna miniaturization, so that antenna structure is compact.In addition in the scenes such as ICS repeater, road and rail tunnel for example, skyscraper, airtight warehouse, small libraries etc. also need antenna to be set to back-to-back form to reduce equipment volume.Will obtain good receive-transmit isolation this moment is an important technical problem.
In the design process of micro-strip paster antenna, obtain the wide band antenna of high isolation under miniaturization is the difficult point of research always.And the problem that design exists is: if want to obtain higher isolation, then require the interval of two slave antennas larger, if will expect wider frequency band, so just require radiation patch larger to the height between the metal floor, and like this can be so that antenna volume becomes large.And general design can not solve the contradiction between miniaturization and broadband and miniaturization and the high isolation well simultaneously, can solve the design of above contradiction, and antenna volume is larger again.
The utility model content
For solving the design contradiction between above-mentioned miniaturization and broadband and miniaturization and the high isolation, the utility model provides employing differential feed and the wide band antenna of the high isolation of multiple-layered patches miniaturized structure, and concrete technical scheme is as follows.
Adopt the wide band antenna of the high isolation of differential feed and multiple-layered patches miniaturized structure, it is in comprising the identical but multiple-layered patches antenna placed of quadrature back-to-back of a pair of structure; Each multiple-layered patches antenna includes three layers of FR4 epoxy glass cloth laminated board and four layers of circuit, comprises successively ground floor FR4 epoxy glass cloth laminated board dielectric-slab, second layer FR4 epoxy glass cloth laminated board and the 3rd layer of FR4 epoxy glass cloth laminated board from back-to-front; Ground floor circuit in four layers of circuit is the metal floor that is printed on ground floor FR4 epoxy glass cloth laminated board bottom surface, second layer circuit is the anti-phase power splitter that is printed on above the ground floor FR4 epoxy glass cloth laminated board, and the 3rd layer of circuit is ground floor rectangular patch and the rectangle feed sheet metal that is printed on above the second layer FR4 epoxy glass cloth laminated board; The ground floor rectangular patch has the groove parallel with the broadside of ground floor rectangular patch, and rectangle feed sheet metal is positioned at this groove, and leaves the slit between rectangle feed sheet metal and the ground floor paster; The 4th layer of circuit is to be printed on the 3rd layer of second layer rectangular patch above the FR4 epoxy glass cloth laminated board, and metal floor is connected by ground hole with anti-phase power splitter, and ground hole passes ground floor FR4 epoxy glass cloth laminated board, the output of anti-phase power splitter connects by cylindrical feed probes with rectangle feed sheet metal, and cylindrical feed probes is passed second layer FR4 epoxy glass cloth laminated board.
Of the present utility model two secondary multiple-layered patches antennas back-to-back quadrature are placed, so that the main pole direction quadrature of two secondary multiple-layered patches antennas reduces the impact between receiving terminal and the transmitting terminal main pole signal; Two arm lengths of described anti-phase power splitter differ half of central task frequency corresponding wavelength, and two ends are output as inversion signal, form differential feed structure, can suppress cross polarization, more than two kinds of technical characterictics all improved the isolation of antenna.Rectangle feed sheet metal and ground floor rectangular patch are printed on the end face of second layer FR4 epoxy glass cloth laminated board, and micro gap is arranged between them, produce capacitive coupling and inductance coupling high, form series resonant network, and resonant frequency point is provided.
Further, described groove number is two, respectively near two broadsides of ground floor rectangular patch.
Further, the number of described cylindrical feed probes is a plurality of, and a plurality of cylindrical feed probes are connected in parallel, and can reduce inductive effect, the broadening working band, and a plurality of cylindrical feed probes are divided two rows, every row structure that is centrosymmetric; The resonance limit, narrow limit of ground floor rectangular patch is shorter than the resonance limit, narrow limit of second layer rectangular patch, produces two resonant frequency points that approach with this, and resonance limit, the narrow limit generation main pole by ground floor rectangular patch and second layer rectangular patch reduces cross polarization; The thickness that increases ground floor FR4 epoxy glass cloth laminated board and second layer FR4 epoxy glass cloth laminated board can reduce the Q value of antenna, more than the equal working band of energy broadening antennas of three kinds of technical characterictics.
Ground floor paster of the present utility model and second layer paster are rectangle, FR4 epoxy glass cloth laminated board in interval between them, and the resonance limit, narrow limit of second layer paster is slightly larger than the resonance limit, narrow limit of ground floor paster, to produce two resonance frequencys that are close, by increasing parasitic a period of time, broadening working band.
Operation principle of the present utility model: signal is by a wherein secondary multiple-layered patches antenna port input, producing two through anti-phase power splitter effect only is the signal of single spin-echo, form differential feed and suppress cross polarization, by cylindrical feed probes respectively feed embed the ground floor rectangular patch that rectangle feed sheet metal is arranged, produce the first resonance frequency f1 through the inductance in parallel network of slit equivalence and the effect on resonance limit, the narrow limit of ground floor rectangular patch, because the effect on resonance limit, the narrow limit of second layer rectangular patch produces the second resonance frequency f2, and f1 is close with f2, between form coupling effect, thereby expanded bandwidth of operation.
Same signal therein the electromagnetic wave main pole direction that produces of a secondary multiple-layered patches antenna just in time with the quadrature of other one secondary multiple-layered patches antenna, reduced influencing each other between both main pole signals, and the back lobe of multiple-layered patches antenna is less, places back-to-back and has further improved receive-transmit isolation.
Compared with prior art, the wide band antenna of the high isolation of the employing differential feed of utility model and multiple-layered patches miniaturized structure has following beneficial effect:
1. adopt the differential feed mode to suppress cross polarization, improve the receive-transmit isolation of antenna;
In the limited situation of antenna height broadening working band;
3. antenna structure is compact, the volume miniaturization.
Description of drawings
Fig. 1 is the stereochemical structure layering schematic diagram of the utility model embodiment multiple-layered patches antenna;
Fig. 2 is the perspective view figure of the utility model embodiment multiple-layered patches antenna;
Fig. 3 is the anti-phase power splitter schematic top plan view of second layer circuit of the utility model embodiment multiple-layered patches antenna;
Fig. 4 is the 3rd layer of circuit ground floor rectangular patch end view of the utility model embodiment multiple-layered patches antenna;
Fig. 5 is the 3rd layer of circuit ground floor rectangular patch schematic top plan view of the utility model embodiment multiple-layered patches antenna;
Fig. 6 is the cutaway view that the second layer FR4 epoxy glass cloth laminated board of the utility model embodiment multiple-layered patches antenna is crossed cylindrical feed probes central shaft;
Fig. 7 is the schematic side view of the utility model embodiment multiple-layered patches antenna;
Fig. 8 is the schematic top plan view of the utility model embodiment multiple-layered patches antenna ground floor rectangular patch and second layer rectangular patch;
Fig. 9 is the whole schematic side view of the utility model embodiment, and upper 01 and lower 02 represents respectively the multiple-layered patches antenna;
Figure 10 is the isolation S21-frequency simulation result figure of the utility model embodiment;
Figure 11 is the voltage standing wave ratio VSWR-frequency simulation result figure of the utility model embodiment;
Figure 12 is the utility model embodiment multiple-layered patches antenna directional diagram during Phi=0deg under 920MHz;
Figure 13 is the utility model embodiment multiple-layered patches antenna directional diagram during Phi=90deg under 920MHz.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme that the utility model embodiment adopts is carried out clear, detailed explanation, described embodiment only is a part of embodiment in the utility model, rather than whole embodiment.Based on embodiment of the present utility model, other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belong to the protection range of the utility model embodiment.
The utility model embodiment provides a kind of employing differential feed and the wide band antenna of the high isolation of multiple-layered patches miniaturized structure.
Such as Fig. 1, Fig. 2, adopt the wide band antenna of the high isolation of differential feed and multiple-layered patches miniaturized structure, it comprises the identical but multiple-layered patches antenna placed of quadrature back-to-back of a pair of structure; Each multiple-layered patches antenna includes three layers of FR4 epoxy glass cloth laminated board and four layers of circuit, comprises successively ground floor FR4 epoxy glass cloth laminated board 3, second layer FR4 epoxy glass cloth laminated board 5 and the 3rd layer of FR4 epoxy glass cloth laminated board 9 from back-to-front; Ground floor circuit in four layers of circuit is the metal floor 1 that is printed on ground floor FR4 epoxy glass cloth laminated board 3 bottom surfaces, second layer circuit is that 4, the three layers of circuit of anti-phase power splitter that are printed on above the ground floor FR4 epoxy glass cloth laminated board 3 are ground floor rectangular patch 8 and the rectangle feed sheet metals 7 that is printed on above the second layer FR4 epoxy glass cloth laminated board 5; Ground floor rectangular patch 8 has the groove parallel with the broadside of ground floor rectangular patch 8, and rectangle feed sheet metal 7 is positioned at this groove, and leaves the slit between rectangle feed sheet metal 7 and the ground floor paster 8; The 4th layer of circuit is the second layer rectangular patch 10 that is printed on above the 3rd layer of FR4 epoxy glass cloth laminated board 9, and metal floor 1 is connected by ground hole 2 with anti-phase power splitter 4, and ground hole 2 passes ground floor FR4 epoxy glass cloth laminated board 3, the output of anti-phase power splitter 4 is connected with rectangle feed sheet metal by cylindrical feed probes 6 connections, and cylindrical feed probes 6 is passed second layer FR4 epoxy glass cloth laminated board 5(such as Fig. 6).
Such as Fig. 9, present embodiment has comprised one-to-many laminating chip antenna (01 and 02) and metal fixed housing.Wherein metal shell is rectangular structure, does not have end face and bottom surface, described this (01 and 02 lays respectively at top and the bottom of metal shell to the multiple-layered patches antenna.And this is consistent to the multiple-layered patches antenna structure, and quadrature is positioned over bottom and the top of metal shell back-to-back.
Spacing between the one-to-many laminating chip antenna (01 and 02) and the size of metal fixed housing are limited by actual requirement of engineering, it is under the 930MHz that the utility model embodiment has provided in centre frequency, and spacing between the two is 35mm, the long 194mm of metal fixed housing, wide 159mm, high 60mm.The utility model overall dimensions is not unique, and concrete size arranges according to the Practical Project demand.
With reference to Fig. 7, the multiple-layered patches antenna comprises three layers of dielectric-slab and four layers of circuit.
Three layers of dielectric-slab comprise ground floor FR4 epoxy glass cloth laminated board 3, second layer FR4 epoxy glass cloth laminated board 5 and the 3rd layer of FR4 epoxy glass cloth laminated board 9.
Four layers of circuit comprise metal floor 1, anti-phase power splitter 4, rectangle feed sheet metal 7, ground floor rectangular patch 8 and second layer rectangular patch 10.
Wherein the bottom of ground floor FR4 epoxy glass cloth laminated board 3 is printed and be covered in to metal floor 1, and ground hole 2 adopts metallization via hole technology, runs through ground floor FR4 epoxy glass cloth laminated board 3, connection metal floor 1 and anti-phase power splitter 4.Wherein ground hole 2 is centrosymmetric, and number is followed the example of not unique.Accompanying drawing 4 embodiment have just provided the situation signal of getting 5 of 1 rows.
With reference to Fig. 3, anti-phase power splitter 4 is printed on the ground floor FR4 epoxy glass cloth laminated board 3 for microstrip line construction.Rectangular sheet 401 ground connection wherein, port 402 is input, rectangular microstrip two arms (403 and 404) that input connects are the quarter-wave L1 of corresponding operating frequency; Rectangular microstrip 1(405 and 406) length L 2 is than rectangular microstrip 2(407 and 408) 1/2nd wavelength L4 of the short corresponding operating frequencies of length L 3, so that differ the inversion signal of 180 degree at T-shaped feed end (409 and 410) output phase, this differential configuration is conducive to suppress orthogonal polarization, improves isolation.Wherein all for the central task frequency, they all change with the change of central task frequency for L1, L2, L3 and L4.
With reference to Fig. 5,6 minutes two rows of a plurality of cylindrical feed probes in intermediate layer, every row is centrosymmetric, and number is followed the example of not unique.Indicated 3 in the schematic diagram, it adopts metallization via hole technology, passes second layer FR4 epoxy glass cloth laminated board 5, has connected T-shaped feed end (409 and 410) and the rectangle feed sheet metal 7 of anti-phase power splitter 4.The number of above-mentioned cylindrical feed probes 6 is followed the example of not unique, and its essential purpose is in order to form a plurality of inductance in parallels, to reduce inductive effect, the broadening working band.
Such as Fig. 5, rectangle feed sheet metal (701,702) and ground floor rectangular patch 8 all are printed on the top of second layer FR4 epoxy glass cloth laminated board 5.Provided the central task frequency among the embodiment in the situation of 930MHz, in ground floor rectangular patch 8 broadside stage casings, and have the long groove of 4mm that is for 50.4mm is wide apart from broadside 1.5mm place, rectangle feed sheet metal 7 is put into the groove of ground floor rectangular patch 8, between micro gap (801 and 802) is arranged, be coupled by the capacitor and inductor effect.Be limited to engineering requirements and machining accuracy, above-mentioned slit value can be different.Provided the central task frequency among the embodiment in the situation of 930MHz, micro gap 801 is 0.7mm, and 802 is 0.2mm.
For top layer, second layer rectangular patch 10 is printed on the 3rd layer of FR4 epoxy glass cloth laminated board 9 top.
In conjunction with the schematic side view of Fig. 7 multiple-layered patches antenna, the thickness of three layers of FR4 epoxy glass cloth laminated board has significant difference.Wherein the thickness of ground floor FR4 epoxy glass cloth laminated board 3 is minimum, and the thickness of second layer FR4 epoxy glass cloth laminated board 5 takes second place, the 3rd layer of FR4 epoxy glass cloth laminated board 9 maximum.In the utility model embodiment, provide the work centre frequency in the situation of 930MHz, the thickness of ground floor FR4 epoxy glass cloth laminated board 3 is 1.6 mm, the thickness of second layer FR4 epoxy glass cloth laminated board 5 is 3.2mm, and the thickness of the 3rd layer of FR4 epoxy glass cloth laminated board 9 is 6.4mm.
In specific embodiment, the thickness capable of regulating of three layers of FR4 epoxy glass cloth laminated board, generally speaking in order to obtain larger bandwidth of operation, increase the thickness of ground floor FR4 epoxy glass cloth laminated board 3 and second layer FR4 epoxy glass cloth laminated board 5, namely increase ground floor rectangular patch 8 to the distance of metal floor 1, to reduce the Q value.
The method that the utility model embodiment is combined with increase feed probes number by the thickness that increases the FR4 epoxy glass cloth laminated board obtains larger frequency band.In reality is implemented, can limit antenna volume in most of situation, at this moment can be by above-mentioned two kinds of method combinations, increase the feed number, the corresponding distance that reduces between dielectric-slab thickness and the two secondary multiple-layered patches antennas is offset the impact of limiting factor (s), thereby is designed miniature antenna.
With reference to Fig. 8, the resonance limit, narrow limit of ground floor rectangular patch 8 is shorter than the resonance limit, narrow limit of second layer rectangular patch 10, but length is close, and produces two resonant frequency points that approach with this, by increasing parasitic a period of time, broadening bandwidth of operation.Wherein the narrow limit of rectangular patch is the resonance limit.Provide the work centre frequency among the embodiment in the situation of 930MHz, the resonance limit of ground floor rectangular patch 8 is 67mm, and the resonance limit of second layer rectangular patch 10 is 69mm, and the resonance limit of second layer rectangular patch 10 is than the resonance length of side 2mm of ground floor rectangular patch 8.
During concrete engineering is implemented, can adjust according to job requirement the length on ground floor rectangular patch and resonance limit, the narrow limit of second layer rectangular patch, thereby change the frequency of resonance point.
The embodiment that the utility model gets by above specification machining, with reference to Figure 10 isolation S21-frequency diagram, draw according to simulation result, frequency of heart is in the situation of 930MHz at work, obtaining whole receive-transmit isolation S21 is 72.5db, has suppressed well cross-polarized impact.
With reference to Figure 11 voltage standing wave ratio VSWR-frequency diagram, draw according to simulation result, take voltage standing wave ratio VSWR1.4 as the upper limit (its corresponding return loss is about 15db), the bandwidth of the utility model embodiment is near 100MHz, and the beamwidth of antenna is larger.
With reference to Figure 12, the multiple-layered patches antenna is the directional diagram during Phi=0deg under 920MHz, and the main pole maximum is than the large 35db of cross polarization maximum; With reference to Figure 13, the multiple-layered patches antenna is the directional diagram during Phi=90deg under 920MHz, and the main pole maximum is than the large 35db of cross polarization maximum, and this explanation multiple-layered patches antenna has suppressed cross-polarized impact well.
The utility model is 194mm*159mm*60mm by the whole size of embodiment that above specification machining gets, and wherein the bottom surface is 194mm*159mm, and thickness is 60mm.
In sum, the STRUCTURE DEPRESSION of new antenna that the utility model proposes cross polarization, improved the isolation of antenna.When obtaining good isolation, also adopt the multiple-layered patches structure, utilize parasitic patch to produce a plurality of resonance frequencys with the broadening working band, simultaneously also can be by increasing dielectric-slab thickness reduction Q value, obtain larger working band, and the utility model is conducive to the miniaturization of antenna, so that antenna structure is compact.
The embodiment that the utility model provides is mainly used in the wireless mobile communications field, can be applicable to all kinds of radio communication sending and receiving receiving units (such as the ICS repeater, the micropower base station) in, be specially adapted to the scenes such as compact repeater and small-power base station, the concrete highway and railway tunnel that is used for, skyscraper, airtight warehouse, the places such as small library.Above-mentioned single multiple-layered patches antenna can be reception antenna, also can be transmitting antenna, and a pair of above-mentioned multiple-layered patches antenna can be configured for improving reception and the emitter of indoor radio signal repeater.Except GSM, this technology also can be used in other frequency ranges and the other system.
More than be to a kind of detailed introduction of adopting differential configuration and the high isolation of multiple-layered patches miniaturized structure embodiment that wide band new antenna provides of the utility model.This paper has used specific case that principle of the present utility model and execution mode are set forth, and the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.
For one of ordinary skill in the art, according to thought of the present utility model, army will change in specific embodiments and applications, and to sum up, this description should not be construed as restriction of the present utility model.
Claims (5)
1. adopt the wide band antenna of the high isolation of differential feed and multiple-layered patches miniaturized structure, it is characterized in that comprising the identical but multiple-layered patches antenna placed of quadrature back-to-back of a pair of structure; Each multiple-layered patches antenna includes three layers of FR4 epoxy glass cloth laminated board and four layers of circuit, comprises successively ground floor FR4 epoxy glass cloth laminated board (3), second layer FR4 epoxy glass cloth laminated board (5) and the 3rd layer of FR4 epoxy glass cloth laminated board (9) from back-to-front; Ground floor circuit in four layers of circuit is the metal floor (1) that is printed on ground floor FR4 epoxy glass cloth laminated board (3) bottom surface, second layer circuit is the anti-phase power splitter (4) that is printed on above the ground floor FR4 epoxy glass cloth laminated board (3), and the 3rd layer of circuit is ground floor rectangular patch (8) and the rectangle feed sheet metal (7) above being printed on second layer FR4 epoxy glass cloth laminated board (5); Ground floor rectangular patch (8) has the groove parallel with the broadside of ground floor rectangular patch (8), and rectangle feed sheet metal (7) is positioned at this groove, and leaves the slit between rectangle feed sheet metal (7) and the ground floor paster (8); The 4th layer of circuit is the second layer rectangular patch (10) above being printed on the 3rd layer of FR4 epoxy glass cloth laminated board (9), and metal floor (1) is connected by ground hole (2) with anti-phase power splitter (4), and ground hole (2) passes ground floor FR4 epoxy glass cloth laminated board (3), the output of anti-phase power splitter (4) is connected 7 with rectangle feed sheet metal) connect by cylindrical feed probes (6), and cylindrical feed probes (6) is passed second layer FR4 epoxy glass cloth laminated board (5).
2. employing differential feed according to claim 1 and multiple-layered patches miniaturized structure height is isolated wide band antenna, the number that it is characterized in that the described groove that has on the ground floor rectangular patch (8) is two, respectively near (8) two broadsides of ground floor rectangular patch.
3. employing differential feed according to claim 1 and multiple-layered patches miniaturized structure height is isolated wide band antenna, two arm lengths that it is characterized in that described anti-phase power splitter (4) differ half of central task frequency corresponding wavelength, two ends are output as inversion signal, form differential feed structure.
4. described employing differential feed and multiple-layered patches miniaturized structure height is isolated broadband according to claim 1
Antenna, the number that it is characterized in that described cylindrical feed probes (6) is a plurality of, a plurality of cylindrical feed probes (6) are connected in parallel, a plurality of cylindrical feed probes (6) minutes two rows, the every row structure that is centrosymmetric; The resonance limit, narrow limit of ground floor rectangular patch (8) is than the narrow limit of second layer rectangular patch (10).
5. described employing differential feed and multiple-layered patches miniaturized structure height is isolated wide band antenna according to claim 1, it is characterized in that ground floor paster and second layer paster are rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320275033 CN203260722U (en) | 2013-05-20 | 2013-05-20 | Miniaturized high-isolation and broadband antenna adopting differential feed and multilayer paster structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320275033 CN203260722U (en) | 2013-05-20 | 2013-05-20 | Miniaturized high-isolation and broadband antenna adopting differential feed and multilayer paster structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203260722U true CN203260722U (en) | 2013-10-30 |
Family
ID=49473262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320275033 Withdrawn - After Issue CN203260722U (en) | 2013-05-20 | 2013-05-20 | Miniaturized high-isolation and broadband antenna adopting differential feed and multilayer paster structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203260722U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311653A (en) * | 2013-05-20 | 2013-09-18 | 华南理工大学 | Small high-isolation and wide-band antenna adopting differential feed and multilayer patch structures |
| CN104821429A (en) * | 2014-01-30 | 2015-08-05 | 京瓷电路科技株式会社 | Antenna board |
| WO2020075434A1 (en) * | 2018-10-12 | 2020-04-16 | 株式会社村田製作所 | Antenna module, and communication device on which same is mounted |
| CN113764861A (en) * | 2021-09-13 | 2021-12-07 | 安徽大学 | Broadband 5G millimeter wave communication base station antenna |
| CN113948852A (en) * | 2021-09-15 | 2022-01-18 | 深圳大学 | Differential antenna and radio apparatus |
-
2013
- 2013-05-20 CN CN 201320275033 patent/CN203260722U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311653A (en) * | 2013-05-20 | 2013-09-18 | 华南理工大学 | Small high-isolation and wide-band antenna adopting differential feed and multilayer patch structures |
| CN103311653B (en) * | 2013-05-20 | 2015-10-28 | 华南理工大学 | Adopt differential feed and the wide band antenna of multiple-layered patches miniaturized structure height isolation |
| CN104821429A (en) * | 2014-01-30 | 2015-08-05 | 京瓷电路科技株式会社 | Antenna board |
| WO2020075434A1 (en) * | 2018-10-12 | 2020-04-16 | 株式会社村田製作所 | Antenna module, and communication device on which same is mounted |
| US11837801B2 (en) | 2018-10-12 | 2023-12-05 | Murata Manufacturing Co., Ltd. | Antenna module and communication device equipped with the same |
| CN113764861A (en) * | 2021-09-13 | 2021-12-07 | 安徽大学 | Broadband 5G millimeter wave communication base station antenna |
| CN113764861B (en) * | 2021-09-13 | 2024-03-01 | 安徽大学 | Broadband 5G millimeter wave communication base station antenna |
| CN113948852A (en) * | 2021-09-15 | 2022-01-18 | 深圳大学 | Differential antenna and radio apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103311653B (en) | Adopt differential feed and the wide band antenna of multiple-layered patches miniaturized structure height isolation | |
| EP2660933B1 (en) | Array antenna of mobile terminal and implementing method thereof | |
| CN203260722U (en) | Miniaturized high-isolation and broadband antenna adopting differential feed and multilayer paster structures | |
| CN111180886A (en) | Miniaturized broadband dual-polarization magnetoelectric dipole millimeter wave edge-emitting antenna and array thereof | |
| CN103858277B (en) | A kind of three poliarizing antennas | |
| CN201845871U (en) | Two-unit-broadband MIMO (multiple input multiple output) antenna array | |
| CN106469848B (en) | A kind of broadband paster antenna based on double resonance mode | |
| CN101461097A (en) | Use of AMC materials in relation to antennas of a portable communication device | |
| CN106910999A (en) | A kind of multilayer electro-magnetic bandgap decoupling arrangements of microstrip antenna array | |
| CN211655058U (en) | Miniaturized broadband dual-polarization magnetoelectric dipole millimeter wave edge-emitting antenna and array thereof | |
| CN108521017B (en) | Feed network of large-scale MIMO antenna | |
| CN206506021U (en) | A kind of compact DBDM dual polarization broadband patch antenna of capacitive coupling feed | |
| CN109449585B (en) | Compact high-gain dual-polarization differential filtering antenna | |
| CN104134866A (en) | Microwave broadband decoupled network based on signal interference concept | |
| CN108448234A (en) | The three frequency range MIMO terminal antennas based on composite left-and-right-hand transmission line structure | |
| CN109921184B (en) | Substrate integrated electric dipole antenna and array based on low-profile microstrip feed structure | |
| CN109546337B (en) | Compact 5G mobile terminal MIMO antenna | |
| CN109713447A (en) | A kind of dual polarized antenna based on co-planar waveguide terminal short circuit couple feed | |
| CN205621858U (en) | Two circular polarization microstrip antenna of miniaturized low section broadband | |
| CN113363704A (en) | Ultra-wideband double-slot dual-polarization Vivaldi antenna and application | |
| CN106356618A (en) | Micro wave high-frequency-band dual polarization small base station plate antenna | |
| CN109449584A (en) | A kind of satellite navigation aerial | |
| CN104638347A (en) | Broadband dual-polarization plane base station antenna | |
| CN102570043B (en) | Multi-polarization microstrip patch antenna loading zero-order resonator | |
| CN204375927U (en) | A kind of wideband dual polarized plane-based station antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131030 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |