CN102800947B - A kind of dual polarized antenna and there is the MIMO antenna of this dual polarized antenna - Google Patents
A kind of dual polarized antenna and there is the MIMO antenna of this dual polarized antenna Download PDFInfo
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- CN102800947B CN102800947B CN201110145209.3A CN201110145209A CN102800947B CN 102800947 B CN102800947 B CN 102800947B CN 201110145209 A CN201110145209 A CN 201110145209A CN 102800947 B CN102800947 B CN 102800947B
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Abstract
The present invention relates to a kind of dual polarized antenna, comprise medium substrate, the first sheet metal and the second sheet metal, be provided with the first feeder line around the first sheet metal, the second feeder line, be provided with the 3rd feeder line around the second sheet metal, the 4th feeder line, on the first sheet metal, hollow out has the first micro groove structure to form the first metal routing on the first sheet metal, on the second sheet metal, hollow out has the second micro groove structure to form the second metal routing on the second sheet metal, the first feeder line is electrically connected with the 3rd feeder line, described the second feeder line is electrically connected with the 4th feeder line, described antenna is preset with the space that electronic component embeds. according to dual polarized antenna of the present invention, medium substrate two sides is provided with sheet metal, take full advantage of the spatial area of antenna, under this environment, antenna can be worked under lower operating frequency, meets the requirement of antenna miniaturization, low operating frequency, broadband multimode simultaneously. the invention still further relates in addition a kind of MIMO antenna with multiple above-mentioned dual polarized antennas.
Description
Technical field
The invention belongs to the communications field, particularly, relate to a kind of dual polarized antenna and there is this dual polarized antennaMIMO antenna.
Background technology
Dual polarized antenna is a kind of new antenna technology, traditional dual polarized antenna be by having combined+45 °With the mutually orthogonal antenna of-45 ° of two secondary polarised direction and be operated under transmission duplex pattern simultaneously, therefore itsThe most outstanding advantage is to save the antenna amount of single directional base station; General GSM digital mobile communication networkDirectional base station (three sectors) will use 9 antennas, each fan-shaped use 3 antennas (space diversity, oneSending out two receives), if use dual polarized antenna, 1 antenna of each fan-shaped needs; Simultaneously due to bipolarTo change in antenna, the polarization orthogonal of ± 45 ° can ensure+isolation between 45 ° and-45 ° of two slave antennasMeet the requirement (>=30dB) of intermodulation to isolation between antennas, the therefore space interval between dual polarized antennaOnly need 20-30cm; In addition, dual polarized antenna has advantages of electrical tilt antenna, in mobile radio communication, usesDual polarized antenna is the same with electrical tilt antenna, can reduce call loss, reduces to disturb, and improves the service quality of the whole network.If use dual polarized antenna, because dual polarized antenna is not high to setting up installation requirement, does not need expropriation of land to build tower,Only need the iron prop of a diameter 20cm of frame, dual polarized antenna is fixed on iron prop by corresponding coverage directionThereby, save capital expenditure, make station layout more reasonable simultaneously, the selected of site, base station holds moreEasily.
There is larger otherness in the environment that antenna is worked in different products and electromagnetic property, will causeThere is larger difference in antenna performance, so require the antenna of designing must have in design and useStrong adaptability and versatility. In sum, original technology in use will run into versatility and propertyThe problem of energy otherness.
Summary of the invention
The technical problem that the present invention will solve is, for antenna working environment and electromagnetism in different productThere is larger otherness in characteristic, causes antenna performance in design and use, to have larger difference, providesA kind of dual polarized antenna, this antenna has stronger adaptability and versatility.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of dual polarized antenna, described dayLine comprises medium substrate, is attached to the first sheet metal and second sheet metal on relative two surfaces of medium substrate, enclosesBe provided with the first feeder line, the second feeder line around the first sheet metal, around the second sheet metal be provided with the 3rd feeder line,The 4th feeder line, described the first feeder line and the second feeder line are all by the first sheet metal described in coupled modes feed-in, instituteState the 3rd feeder line and the 4th feeder line all by the second sheet metal described in coupled modes feed-in, described the first sheet metalUpper hollow out has the first micro groove structure to form the first metal routing on the first sheet metal, described the second sheet metalUpper hollow out has the second micro groove structure to form the second metal routing on the second sheet metal, described the first feeder line withThe 3rd feeder line electrical connection, described the second feeder line is electrically connected with the 4th feeder line, and described antenna is preset with supplied for electronic unitThe space that part embeds.
Further, described spatial placement is at the first feeder line, the second feeder line, the first feeder line and the first sheet metalBetween, between the second feeder line and the first sheet metal and these five positions of the first sheet metal at least one on.
Further, described spatial placement is at the 3rd feeder line, the 4th feeder line, the 3rd feeder line and the second sheet metalBetween, between the 4th feeder line and the second sheet metal and these five positions of the second sheet metal at least one on.
Further, on first metal routing of described spatial placement on the first sheet metal, or described skyBetween be arranged on the first micro groove structure.
Further, on second metal routing of described spatial placement on the second sheet metal, or described skyBetween be arranged on the second micro groove structure.
Further, described electronic component is perceptual electronic component, capacitive electronic component or resistance.
Further, described space is the pad being formed on described antenna.
Further, the scope of described perceptual electronic component inductance value is between 0-5uH.
Further, the scope of described capacitive electronic component capacitance is between 0-2pF.
Implement dual polarized antenna of the present invention, with respect to existing antenna, there is following beneficial effect: pass throughThe space that electronic component embeds is set on antenna, the performance pair of the electronic component that can embed by changeThe performance of antenna is finely tuned, and designs the antenna of the requirement that meets adaptability and versatility. In addition, mediumSubstrate two sides is provided with sheet metal, takes full advantage of the spatial area of antenna, and under this environment, antenna can beUnder lower operating frequency, work, meet the requirement of antenna miniaturization, low operating frequency, broadband multimode.
Another problem to be solved by this invention is to provide a kind of MIMO antenna.
The present invention solves the problems of the technologies described above adopted scheme: a kind of MIMO antenna, described MIMOAntenna comprises multiple above-mentioned dual polarized antennas.
According to MIMO antenna of the present invention, except possessing the feature of dual polarized antenna itself, also haveVery high isolation, the antijamming capability between multiple antennas is strong.
Brief description of the drawings
Fig. 1 is the stereogram of dual polarized antenna of the present invention;
Fig. 2 is another visual angle figure of Fig. 1;
Fig. 3 is the structural representation of dual polarized antenna the first embodiment of the present invention;
Fig. 4 is the structural representation of dual polarized antenna the second embodiment of the present invention;
Fig. 5 is the structural representation of dual polarized antenna of the present invention the 3rd embodiment;
Fig. 6 is the structural representation of dual polarized antenna of the present invention the 4th embodiment;
Fig. 7 is the structural representation of dual polarized antenna of the present invention the 5th embodiment;
Fig. 8 a is the schematic diagram of complementary opening resonance loop structure;
Fig. 8 b is depicted as the schematic diagram of complementary helix structure;
Fig. 8 c is depicted as the schematic diagram of opening helical ring structure;
Fig. 8 d is depicted as the schematic diagram of two opening helical ring structures;
Fig. 8 e is depicted as the schematic diagram of complementary folding line structure;
Fig. 9 a is the derivative schematic diagram of its geometry of complementary opening resonance loop structure shown in Fig. 8 a;
Fig. 9 b is the derivative schematic diagram of its expansion of the complementary opening resonance loop structure shown in Fig. 8 a;
Figure 10 a is the structural representation after three complementary opening resonance loop structures shown in Fig. 8 a compound;
Figure 10 b is that the complementary opening resonance loop structure shown in two Fig. 8 a and Fig. 8 b are depicted as complementary spiral shellThe compound schematic diagram of spin line structure;
Figure 11 is the structural representation after the complementary opening resonance loop structure group battle array shown in four Fig. 8 a.
Detailed description of the invention
As shown in Figures 1 and 2, described dual polarized antenna of the present invention comprises medium substrate 1, is attached to JieFirst sheet metal 4 on relative two surfaces of matter substrate 1 and the second sheet metal 7, arrange around the first sheet metal 4There are the first feeder line 2, the second feeder line 3, are provided with the 3rd feeder line 8, the 4th feeder line 9 around the second sheet metal 7,Described the first feeder line 2 and the second feeder line 3 be all by the first sheet metal 4 described in coupled modes feed-in, and describedThree feeder lines 8 and the 4th feeder line 9 are all by the second sheet metal 7 described in coupled modes feed-in, described the first metalOn sheet 4, hollow out has the first micro groove structure 41 to form the first metal routing 42 on the first sheet metal, described inOn the second sheet metal 7, hollow out has the second micro groove structure 71 to form the second metal routing on the second sheet metal72, described the first feeder line 2 is electrically connected with the 3rd feeder line 8, and described the second feeder line 3 and the 4th feeder line 9 are electrically connectedConnect, described antenna 100 is preset with the space 6 that electronic component embeds. This kind of design is equivalent to and increased skyLine physical length (physical length size does not increase) so just can be designed work in minimum spaceRadio-frequency antenna under very low operation frequency. Solve traditional antenna antenna controlled space area in the time of low frequency operationPhysics limitation.
As shown in Fig. 1 and 2, described the first feeder line 2 and the 3rd feeder line 8 by opening on medium substrate 1Plated-through hole 10 is electrically connected, and described the second feeder line 3 and the 4th feeder line 9 by opening on medium substrate 1Plated-through hole 20 be electrically connected.
In Fig. 1 to Fig. 7, the part of the first sheet metal cross-hatching is the first metal routing, the first sheet metalOn blank parts (part of hollow out) represent the first micro groove structure. In addition, the first feeder line and the second feeder lineAlso represent with hatching. Same, in Fig. 2, the part of the second sheet metal cross-hatching is that the second metal is walkedLine, the blank parts (part of hollow out) on the second sheet metal represents the second micro groove structure. In addition, the 3rdFeeder line and the 4th feeder line also represent with hatching.
Figure 1 shows that the stereogram of dual polarized antenna of the present invention, Fig. 2 is its another visual angle figure. Comprehensive twoIndividual figure can find out, the structure of adhering on a surface of medium substrate and b surface is identical. The first feeder line,The second feeder line, the first sheet metal the projection on b surface respectively with the 3rd feeder line, the 4th feeder line, the second metalSheet overlaps. Certainly, this is a preferred scheme, also can as required with the structure on b surface in a surfaceWith difference.
The first feeder line 2 and the second feeder line 3 all arrange to realize signal coupling around the first sheet metal 4. In additionThe first sheet metal 4 can contact with the second feeder line 3 with the first feeder line 2, also can not contact. When the first gold medalWhen genus sheet 4 contacts with the first feeder line 2, inductive coupled between the first feeder line 2 and the first sheet metal 4; WhenWhen one sheet metal 4 does not contact with the first feeder line 2, capacitive coupling between the first feeder line 2 and sheet metal 4. WithSample, in the time that the first sheet metal 4 contacts with the second feeder line 3, sense between the second feeder line 3 and the first sheet metal 4Property is coupled; In the time that the first sheet metal 4 does not contact with the second feeder line 3, the second feeder line 3 and the first sheet metal 4Between capacitive coupling.
The 3rd feeder line 8 and the 4th feeder line 9 all arrange to realize signal coupling around the second sheet metal 7. In additionThe second sheet metal 7 can contact with the 3rd feeder line 8, the 4th feeder line 9, also can not contact. When the second gold medalWhen genus sheet 7 contacts with the 3rd feeder line 8, inductive coupled between the 3rd feeder line 8 and the second sheet metal 7; WhenWhen two sheet metals 7 do not contact with the 3rd feeder line 8, capacitive coupling between the 3rd feeder line 8 and sheet metal 7. WithSample, in the time that the second sheet metal 7 contacts with the 4th feeder line 9, perception between the 3rd feeder line 8 and two sheet metals 7Coupling; In the time that two sheet metals 7 do not contact with the 4th feeder line 9, between the 4th feeder line 9 and the second sheet metal 7Capacitive coupling.
In the present invention, the first sheet metal of described medium substrate two apparent surfaces and the second sheet metal can connectConnect, also can not connect. In the first sheet metal and the unconnected situation of the second sheet metal, described the first gold medalBelong between sheet and the second sheet metal by capacitively coupled mode feed; In such cases, by changing mediumThe thickness of substrate can be realized the resonance of the first sheet metal and the second sheet metal. At the first sheet metal and the second gold medalIn the situation of genus sheet electrical connection, (for example connect) described the first gold medal by the form of wire or plated-through holeBelong between sheet and the second sheet metal by inductive coupled mode feed.
Described the first micro groove structure 41 and the second micro groove structure 71 in the present invention can be shown in Fig. 8 aOpening spiral shell shown in complementary helix structure shown in complementary opening resonance loop structure, Fig. 8 b, Fig. 8 cRevolve in the complementary folding line structure shown in the two opening helical ring structures shown in ring structure, Fig. 8 d, Fig. 8 eA micro groove structure a kind of or derivative, compound by several structures above or that group battle array obtains. Derivative being divided intoTwo kinds, one is that geometry is derivative, and another kind is that expansion is derivative, the derivative merit that refers to of geometry hereinCan similar, variform structure derive, for example, derived to class of a curve structure, triangle by square frame class formationClass formation and other different polygon class formation; Expansion herein derives the i.e. basis at Fig. 8 a to Fig. 8 eOn offer new groove to form new micro groove structure; Taking the complementary opening resonance loop structure shown in Fig. 8 a asExample, Fig. 9 a is the derivative schematic diagram of its geometry, Fig. 9 b is the derivative schematic diagram of its geometry. HereinCompound referring to, the multiple stacks of micro groove structure of Fig. 8 a to Fig. 8 e form a new micro groove structure, as figureShown in 10a, be the structural representation of the complementary opening resonance loop structure shown in three Fig. 8 a after compound;As shown in Figure 10 b, be that the complementary opening resonance loop structure shown in two Fig. 8 a and Fig. 8 b are depicted as complementationStructural representation after formula helix structure is common compound. Group battle array herein refers to by multiple Fig. 8 a to Fig. 8 eShown micro groove structure array on same sheet metal forms an overall micro groove structure, as shown in figure 11,For the structural representation after multiple complementary opening resonance loop structure group battle arrays as shown in Figure 8 a. Below all withOpening helical ring structure shown in Fig. 8 c is that example is set forth the present invention.
We know, can obtain the antenna of different polarization modes by changing the feed placement of feeder line, therefore,In the present invention, by changing the first feeder line and the 3rd feeder line, the second feeder line and the 4th feeder line feed placement notWith obtaining dual polarized antenna. Preferably, the feeding classification of the first feeder line and the 3rd feeder line is horizontal polarization,The feeding classification of the second feeder line and the 4th feeder line is vertical polarization, and every kind of polarization mode can according to different needsTo be achieved as follows function, for example, there is following several situation:
(1) a kind of polarization mode in horizontal polarization and vertical polarization is only for receiving electromagnetic wave, another kindPolarization mode is for emitting electromagnetic wave.
(2) a kind of polarization mode in horizontal polarization and vertical polarization is only for receiving electromagnetic wave, another kindPolarization mode is used for transmitting and receiving electromagnetic wave.
(3) two kinds of polarization modes in horizontal polarization and vertical polarization are all for transmitting and receiving electromagnetic wave.
Divide five embodiment to introduce in detail the present invention below. Should be understood that following five of the present inventionIn embodiment, the relative two sides structure of medium substrate is identical, therefore, in following five embodiment, all only retouchesState the structure on medium substrate one surface.
The first embodiment
As shown in Figure 3, in the present embodiment, on the first feeder line 2 and the second feeder line 3, be preset with respectively embeddingEnter space 51, the space 52 of perceptual electronic component and/or resistance, the position in default embedding electronic component spacePutting can be the optional position on the first feeder line 2 and the second feeder line 3, and can have multiple. Can be in space51 and space 52 in embed perceptual electronic component, to change the inductance on the first feeder line 2 and the second feeder line 3Value. Using formula:Square being inversely proportional to of the size of known inductance value and operating frequency,So when the operating frequency needing is during for lower operating frequency, by suitable embedding inductance or perceptual electronicsElement is realized. In the present embodiment, the inductance value range of the perceptual electronic component adding between 0-5uH, ifThereby too large alternating signal will be had influence on by inductive element consumption the radiation efficiency of antenna. The institute of the present embodimentState the good radiation characteristic that dual polarized antenna has multiple frequency ranges, five main radiation frequencies are from 900MHzBe distributed to 5.5GHz always, almost contained GSM, CDMA, bluetooth, W-Lan (IEEE802.11Agreement), each main communication frequency such as GPS, TD-LTE, there is very high integrated level and can pass throughInductance value on the first feeder line and the second feeder line is regulated and reaches the object that changes operating frequency of antenna. WhenSo, also two resistance can be embedded in space 51 and space 52, to improve the radiation resistance of antenna. WhenSo, space 51,52 can be also to embed respectively a resistance and a perceptual electronic component, both realizesThe adjusting of operating frequency, can improve again the radiation resistance of antenna. Certainly in space 51 and space 52, also canOnly to add therein electronic component, another space wire short circuit.
Embodiment bis-
As shown in Figure 4, in the present embodiment, between the first feeder line 2 and the first sheet metal 4, second feedbackBetween line 3 and the first sheet metal 4, be preset with the space 53, the space 54 that embed capacitive electronic component, defaultThe position in embedding electronic component space can be between the first feeder line 2 and the first sheet metal 4, the second feeder line3 and first optional positions between sheet metal 4. In Fig. 4, space 53 and space 54 are embedding in the present embodimentEnter the space of capacitive electronic component, own tool between the first feeder line 2, the second feeder line 3 and the first sheet metal 4There is certain electric capacity, regulate the first feeder line 2, the second feeder line 3 and the by embedding capacitive electronic component hereSignal coupling between one sheet metal 4, using formula:The size of known capacitanceWith square being inversely proportional to of operating frequency, so when the operating frequency needing is during for lower operating frequency, by fittingWhen embedded capacitor or perceptual electronic component realize. In the present embodiment, the electric capacity of the capacitive electronic component addingValue scope is conventionally between 0-2pF, but the capacitance embedding along with the variation of operating frequency of antenna also mayExceed the scope of 0-2pF. Certainly, also can be at the first feeder line 2, the second feeder line 3 and the first sheet metal 4Between default multiple spaces. Equally, in the space that is not connected with electronic component, adopt wire short circuit.
Embodiment tri-
As shown in Figure 5, in the present embodiment, on the first metal routing 42 of the first sheet metal, be reserved withEmbed the space of perceptual electronic component and/or resistance, the space that embeds electronic component is not only confined in figureThe space 55 providing and space 56, as long as other positions satisfy condition all can. Embed perceptual electronics unit hereinThe object of part is to increase the inductance value of the first sheet metal internal resonance structure, thus the resonant frequency to antenna andBandwidth of operation plays the effect of adjusting; Identical with embodiment mono-, the object of embedded resistor is to improve antenna hereinRadiation resistance. So to embedding perceptual electronic component or resistance, determine as required. In addition notEmbed in the space of electronic component, adopt wire short circuit.
Embodiment tetra-
As shown in Figure 6, in the present embodiment, on the first micro groove structure 41, be reserved with and embed capacitive electronicsThe space of element, and described space connects the first metal routing 42 of the first micro groove structure 41 both sides. EmbeddingThe space that enters electronic component not only limit to Fig. 5 in the space 57 that provides, as long as other positions meet barPart all can. Embed the resonance performance that capacitive electronic component can change the first sheet metal, finally improve antennaQ value and resonance operating point. As common practise, we know, passband BW and resonant frequency w0 andThe pass of quality factor q is: BW=wo/Q, and this formula shows, and Q more passband is narrower, and Q is lessPassband is wider. Separately have: Q=wL/R=1/wRC, wherein, Q is quality factor; W is circuit resonanceTime supply frequency; L is inductance; R is the resistance of string; C is electric capacity, by Q=wL/R=1/wRC public affairsFormula is known, and Q and C are inverse ratio, therefore, can, by adding capacitive electronic component to reduce Q value, makePassband broadens.
Embodiment five
As shown in Figure 7, in the present embodiment, the first feeder line 2, the second feeder line 3, the first feeder line 2 withBetween the first sheet metal 4, between the second feeder line 3 and the first sheet metal 4 and on sheet metal 4 these five positionsThe space that electronic component embeds is all set. Wherein, the space on the first sheet metal 4 comprises and is arranged on firstSpace on metal routing 42 and be arranged on the first micro groove structure 41 and the first metal of connecting both sides is walkedThe space of line 42. Particularly, the space in the present embodiment comprises the space 61, the second on the first feeder line 2Space 63, the second feeder lines 3 between space 62, the first feeder lines 2 and the first sheet metal 4 on feeder line 3And the space 65,66 on space 64, the first metal routings 42 between the first sheet metal 4, micro groove structureSpace 67 on 41, certainly, the position providing in the present embodiment is not uniqueness, in the present embodiment,In above-mentioned space, add electronic component to regulate the performance of antenna, its principle and embodiment's mono-to four is formerManage similarly, the present embodiment is no longer described.
On dual polarized antenna 100 of the present invention, the reserved location in space is not limited to above-mentioned five kinds of forms, spaceAs long as be arranged on dual polarized antenna. For example, space can also be arranged on medium substrate.
Described electronic component of the present invention is perceptual electronic component, capacitive electronic component or resistance. At antennaHeadspace in add after this type of electronic component, can improve the various performances of antenna. And by addingThe electronic component of different parameters, can realize the adjustable of antenna performance parameters. Therefore, dual polarization of the present inventionAntenna can be the same structure before not adding any element, just by adding difference at diverse locationElectronic component, and the parameter of electronic component (inductance value, resistance value, capacitance), realizes differenceThe performance parameter of antenna. Realized versatility. Can significantly reduce production costs.
Described space of the present invention can be pad, can be also a vacancy. The structure of pad can be referring toPad on common circuit board. What certainly, the design consideration of its size was different need to be different.
In addition, in the present invention, medium substrate is by ceramic material, macromolecular material, ferroelectric material, iron oxygen materialMaterial or ferromagnetic material are made. Preferably, being made up of macromolecular material, can be FR-4, F4B particularlyDeng macromolecular material.
In the present invention, the first sheet metal and the second sheet metal are copper sheet or silver strip. Be preferably copper sheet, price is lowHonest and clean, conduct electricity very well.
In the present invention, the first feeder line, the second feeder line, the 3rd feeder line and the 4th feeder line are selected and the first sheet metalAnd the same material of the second sheet metal is made. Be preferably copper.
In the present invention, about the processing and manufacturing of antenna, as long as meet design principle of the present invention, can adoptVarious manufactures. Prevailing method is the manufacture method that uses all kinds of printed circuit board (PCB)s (PCB), whenSo, metallized through hole, the PCB of double-sided copper-clad manufactures and also can meet processing request of the present invention. Except thisProcessing mode, can also introduce other manufacturing process according to the actual needs, and such as RFID, (RFID isThe abbreviation of RadioFrequencyIdentification, i.e. REID, is commonly called as electronic tag) middle instituteThe conductive silver paste ink processing mode using, all kinds of flexible PCB processing, iron plate antenna that can deformation deviceProcessing mode and the processing mode of iron plate and PCB combination. Wherein, iron plate and PCB combination processing sideFormula refers to the processing that utilizes the accurate processing of PCB to complete antenna micro groove structure, completes other with iron plateSlave part. In addition, can also be by etching, plating, brill quarter, photoetching, electronics is carved or ion is carved sideMethod is processed.
The present invention also provides a kind of MIMO antenna, and described MIMO antenna is by multiple above-mentioned bipolarChanging antenna 100 forms. MIMO herein refers to multiple-input and multiple-output. It is the institute on MIMO antennaThere is single dual polarized antenna 100 to launch simultaneously, receive simultaneously. MIMO antenna can not need increaseUnder the prerequisite of bandwidth or total transmitted power loss, increase considerably information throughput and the transmission range of system. SeparatelyOuter MIMO antenna of the present invention also has very high isolation, and the antijamming capability between multiple antennas is strong.
MIMO antenna of the present invention, the first feeder line of its each dual polarized antenna 100 and the 3rd feeder line electricityAfter connection, be connected again the second feeder line of each dual polarized antenna 100 and the 4th feedback with a reception/emitterAfter line electrical connection, be connected with another reception/emitter, all reception/emitters are all connected to a base againOn band signal processor.
By reference to the accompanying drawings embodiments of the invention are described above, above-mentioned but the present invention is not limited toDetailed description of the invention, above-mentioned detailed description of the invention is only schematically, instead of restrictive, thisThe those of ordinary skill in field, under enlightenment of the present invention, is protected not departing from aim of the present invention and claimIn the scope situation of protecting, also can make a lot of forms, within these all belong to protection of the present invention.
Claims (5)
1. a dual polarized antenna, is characterized in that, described antenna comprises medium substrate, is attached to mediumFirst sheet metal on relative two surfaces of substrate and the second sheet metal, be provided with the first feedback around the first sheet metalLine, the second feeder line, be provided with the 3rd feeder line, the 4th feeder line around the second sheet metal, described the first feeder line andThe second feeder line is all by the first sheet metal described in coupled modes feed-in, described the first feeder line and described the 3rd feeder lineFeeding classification be horizontal polarization, described the second feeder line is the vertical utmost point with the feeding classification of described the 4th feeder lineChange, described the 3rd feeder line and the 4th feeder line are all by the second sheet metal described in coupled modes feed-in, described firstOn sheet metal, hollow out has the first micro groove structure to form the first metal routing on the first sheet metal, described secondOn sheet metal, hollow out has the second micro groove structure to form the second metal routing on the second sheet metal, described firstFeeder line is electrically connected with the 3rd feeder line, and described the second feeder line is electrically connected with the 4th feeder line, and described antenna is preset with confessionThe space that electronic component embeds, wherein,
Described spatial placement between the first feeder line, the second feeder line, the first feeder line and the first sheet metal, secondIn at least one of between feeder line and the first sheet metal and these five positions of the first sheet metal, and described electronics unitPart is perceptual electronic component, capacitive electronic component or resistance, and described space is to be formed on described antennaPad, wherein, the scope of described perceptual electronic component inductance value is between 0-5uH;
Or, described spatial placement between the 3rd feeder line, the 4th feeder line, the 3rd feeder line and the second sheet metal,In at least one of between the 4th feeder line and the second sheet metal and these five positions of the second sheet metal, and described electricitySub-element is perceptual electronic component, capacitive electronic component or resistance, and described space is for being formed on described antennaOn pad, wherein, the scope of described perceptual electronic component inductance value is between 0-5uH.
2. dual polarized antenna according to claim 1, is characterized in that, described spatial placement isOn the first metal routing on one sheet metal, or described spatial placement is on the first micro groove structure.
3. dual polarized antenna according to claim 1, is characterized in that, described spatial placement isOn the second metal routing on two sheet metals, or described spatial placement is on the second micro groove structure.
4. dual polarized antenna according to claim 1, is characterized in that, described capacitive electronic componentThe scope of capacitance is between 0-2pF.
5. a MIMO antenna, is characterized in that, described MIMO antenna comprise multiple as right wantAsk the dual polarized antenna described in 1.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110145209.3A CN102800947B (en) | 2011-05-31 | 2011-05-31 | A kind of dual polarized antenna and there is the MIMO antenna of this dual polarized antenna |
| PCT/CN2011/080416 WO2012162992A1 (en) | 2011-05-31 | 2011-09-30 | Dual-polarized antenna and mimo antenna having the dual-polarized antenna |
| TW100135509A TWI502811B (en) | 2011-05-31 | 2011-09-30 | Dual polarization antenna and mimo antenna with the dual polarization antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110145209.3A CN102800947B (en) | 2011-05-31 | 2011-05-31 | A kind of dual polarized antenna and there is the MIMO antenna of this dual polarized antenna |
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| CN102800947A CN102800947A (en) | 2012-11-28 |
| CN102800947B true CN102800947B (en) | 2016-05-04 |
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| US20100039329A1 (en) * | 2008-08-12 | 2010-02-18 | Wistron Neweb Corp. | Wide-Band Antenna and Manufacturing Method Thereof |
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
| CN202094295U (en) * | 2011-05-31 | 2011-12-28 | 深圳光启高等理工研究院 | Dual-polarized antenna and MIMO antenna with same |
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2011
- 2011-05-31 CN CN201110145209.3A patent/CN102800947B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101111972A (en) * | 2005-01-27 | 2008-01-23 | 株式会社村田制作所 | Antenna and wireless communication device |
| US20100039329A1 (en) * | 2008-08-12 | 2010-02-18 | Wistron Neweb Corp. | Wide-Band Antenna and Manufacturing Method Thereof |
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
| CN202094295U (en) * | 2011-05-31 | 2011-12-28 | 深圳光启高等理工研究院 | Dual-polarized antenna and MIMO antenna with same |
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