CN204011713U - A kind of multiband LTE MIMO antenna structure - Google Patents
A kind of multiband LTE MIMO antenna structure Download PDFInfo
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- CN204011713U CN204011713U CN201420472940.6U CN201420472940U CN204011713U CN 204011713 U CN204011713 U CN 204011713U CN 201420472940 U CN201420472940 U CN 201420472940U CN 204011713 U CN204011713 U CN 204011713U
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Abstract
The utility model discloses a kind of multiband LTE MIMO antenna structure, comprise pcb board and two antenna radiation units, the back side of pcb board is provided with microstrip line, and microstrip line both sides are made as conductive earthing face, and microstrip line is provided with via hole and is electrically connected to by via hole and two antenna radiation units; Pcb board comprises metal part and non-metallic part, and two described antenna radiation units are arranged on described non-metallic part; Two antenna radiation units comprise the first radiating element and second radiating element of rectangle frame structure, wherein the second radiating element winding is in the outside of the first radiating element, two antenna radiation unit middle parts are provided with central recess, the first radiating element and the second radiating element are electrically connected at described central recess place, in junction, formed the first radiating element distributing point and node, the feed that distributing point is used for being connected to a mobile terminal is at first frequency place resonance, and described node is connected with conductive earthing face by hole.
Description
Technical field
The utility model relates to the design of mobile terminal, particularly a kind of multiband LTE MIMO antenna structure.
Background technology
In known technology, LTE is as typical Multiinputoutput MIMO (Multiple Input and Multiple Output) system, due to the advantage of mass data transmission service can be provided, be subject to the increasing attention of mobile communication industry and universal.Mimo system as LTE, the basis that can make its fast transport mass data is that at least plural antenna is worked simultaneously.Such novel communication system support overload wave mode, in overload wave mode, the same frequency that antenna for mobile phone can be in low-frequency range, as 700MHz transmitting data simultaneously, or the same frequency in high band, as 2GHZ receives data simultaneously.Equally, overload wave mode is also supported the combination of frequency of other low-frequency range and high band.This pattern of low-frequency range and high band of simultaneously using makes the frequency range of antenna need cover low-frequency range and high band simultaneously.
At present, external LTE multifrequency antenna space is large, performance is general, frequency range is integrated single.Most products project organization is column, shaft-like, strip etc. in the industry, and antenna band requires to cover 698-960MHz, 1710-2700MHz.So because the wider overall dimensions of frequency band is all larger, badly influence the structure of product and the sight of outward appearance while being for example applied to card of surfing Internet, online precious (MIFI), radio network gateway (CPE) product when application.
Utility model content
Utility model object: technical problem to be solved in the utility model is for the deficiencies in the prior art, provides a kind of multiband LTE MIMO antenna structure.
In order to address the above problem, the utility model discloses a kind of multiband LTE MIMO antenna structure, comprise pcb board and two antenna radiation units, the back side of pcb board is provided with microstrip line, microstrip line both sides are made as conductive earthing face, and microstrip line is provided with via hole and is electrically connected to by via hole and two antenna radiation units; Pcb board comprises metal part and non-metallic part, and two described antenna radiation units are arranged on described non-metallic part; Two antenna radiation units comprise the first radiating element and second radiating element of rectangle frame structure, wherein the second radiating element winding is in the outside of the first radiating element, two antenna radiation unit middle parts are provided with central recess, the first radiating element and the second radiating element are electrically connected at described central recess place, in junction, formed the first radiating element distributing point and node, the feed that distributing point is used for being connected to a mobile terminal is at first frequency place resonance, and described node is connected with conductive earthing face by hole.
In the utility model, two antenna radiation units are symmetrically distributed on pcb board front.
Beneficial effect: the utility model adopts rational layout, the conductive earthing face of described antenna and antenna radiation unit are separately positioned on to pcb board both sides, and by designing antenna radiating element Mirror Symmetry on pcb board, and be distributed in the two sides of pcb board, and adopt compact conductive traces designing antenna loop, take full advantage of the effective area of pcb board, and greatly reduced the size of integral product, meet the demand of miniaturization lighting, and by this design, make MIMO antenna when effectively covering low frequency and high frequency frequency, obtain coupling effect and switching effect better.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is done further and illustrated, above-mentioned or otherwise advantage of the present utility model will become apparent.
Accompanying drawing explanation
Fig. 1 is a kind of Facad structure schematic diagram of multiband LTE MIMO antenna structure;
Fig. 2 is a kind of structure schematic diagram of multiband LTE MIMO antenna structure;
Fig. 3 is a kind of side structure schematic diagram of multiband LTE MIMO antenna structure.
Embodiment
Below in conjunction with accompanying drawing, this practicality is elaborated.
As depicted in figs. 1 and 2, the present embodiment discloses a kind of multiband LTE MIMO antenna structure, comprise pcb board 1 and two antenna radiation units 2, described pcb board 1 comprises metal part and non-metallic part, described non-metallic part is positioned at described pcb board 1 upper left side and upper right side, can effectively utilize like this space on pcb board and can improve coupling effect and switch effect, described two antenna radiation units 2 are arranged on upper left side and the upper right side of pcb board 1, namely this two antenna radiation unit 2 is arranged on non-metallic part, the center line Mirror Symmetry of two antenna radiation unit 2 relative pcb boards distributes.
Described two antenna radiation units 2 are symmetricly set on the front of pcb board 1, the back side of described pcb board 1 is provided with microstrip line 3, described microstrip line 3 is electrically connected by via hole 4 and two antenna radiation units 2, on described pcb board 1, the both sides of microstrip line 3 are provided with conductive earthing face 5, the face coupling ground at described conductive earthing face 5 and two antenna radiation unit 2 places is realized and being electrically connected by via hole 4 conducting, between described microstrip line 3 and conductive earthing face 5, be provided with match circuit, this match circuit can be coupling circuit, described microstrip line 3 connects a MIMO modulation-demodulation circuit 6, MIMO modulation-demodulation circuit 6 for through microstrip line 3, receive described two antenna radiation units 2 and receive the signal of telecommunication producing after electromagnetic waves and transmit the signal of telecommunication through microstrip line 3 to described two antenna radiation units 2 with the signal that generates electromagnetic waves.
Each antenna radiation unit 2 comprises the first radiating element 21 and the second radiating element 22, described the first radiating element 21 is arranged on the first-phase opposite of pcb board 1, and this first radiating element 21 is connected with the feed of a mobile terminal, be used at first frequency place resonance, described the second radiating element 22 is arranged on the second-phase opposite of pcb board 1, the second radiating element 22 is connected with pcb board 1 by an active electronic circuit (not shown), described active electronic circuit can be any active circuit unit being electrically connected between the second radiating element 22 and pcb board 1 of realizing, described the second radiating element 22 is at second frequency place resonance, and be connected to described the first radiating element 21.
Particularly, described first-phase opposite and second-phase opposite are all the fronts that are positioned at described pcb board 1, and the projection of this relative pcb board 1 in first-phase opposite is less than the projection of pcb board 1 relative to second-phase opposite, each antenna radiation unit 2 is configured to gather the loop that type mode is formed on the conductive traces on pcb board 1, shown in figure 3, particularly, first radiating element 21 first ends on first-phase opposite are provided with distributing point 211, it is connected to the feed of a mobile terminal, the second end of the first radiating element 21 is node 212, this node 212 is connected with conductive earthing face 5 by via hole 4, conductive traces 213 is along self feeding point 211 and node 212 extensions respectively of substantially contrary direction, then towards the edge of pcb board 1, extend, then be connected on the second-phase opposite that is formed on pcb board 1 before the corresponding side of the second radiating element 22, and along substantially follow the path obtaining on first radiating element 21 on the first-phase opposite of pcb board 1, cross second radiating element 22 on the second-phase opposite of pcb board 1 subsequently, conductive trace 213 can form successive loops on second radiating element 22 on second-phase opposite, this is by being folded in loop on the edge of pcb board 1 to form conductive trace 213, conductive trace 213 can be realized the first radiating element 21 and the current type connection each other of the second radiating element 22, to limit compact loop, can also be by roundabout or folding conductive trace 213 otherwise, loop is pressed on to pcb board front, express " gather type mode " and be intended to show the formed loop antenna of conductive trace 213 with the loop configuration of topological layout, if the loop configuration of described topological layout is launched into circle, the region that this loop configuration is surrounded is less than the region that described conductive trace 213 can surround, if the loop configuration of described topological layout is launched into square or rectangle, the region that this loop configuration surrounds is less than the region that conductive trace 213 can surround.Compact or collapsible loop comprise at least one recessed portion generally, in Fig. 3, two antenna radiation units 2 have the central recess 12 that electric field cuts out the highest position during operation, this contributes to meet compact or collapsible loop comprises at least one recessed portion generally, and by printing or otherwise form first radiating element 21 and the second radiating element 22 of this galvanic circle in, such central recess 12, can improve printing efficiency.
The utility model provides a kind of multiband LTE MIMO antenna structure; method and the approach of this technical scheme of specific implementation are a lot; the above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications; these improvements and modifications also should be considered as protection range of the present utility model, in the present embodiment not clear and definite each part all available prior art realized.
Claims (2)
1. a multiband LTE MIMO antenna structure, it is characterized in that, comprise pcb board (1) and two antenna radiation units (2), the back side of pcb board (1) is provided with microstrip line (3), microstrip line (3) both sides are made as conductive earthing face (5), and microstrip line (3) is provided with via hole (4) and is electrically connected to by via hole (4) and two antenna radiation units (2), pcb board (1) comprises metal part and non-metallic part, and described two antenna radiation units (2) are arranged on described non-metallic part, two antenna radiation units (2) comprise the first radiating element (21) and second radiating element (22) of rectangle frame structure, wherein the second radiating element (22) winding is in the outside of the first radiating element (21), two antenna radiation units (2) middle part is provided with central recess (12), the first radiating element (21) and the second radiating element (22) are located to be electrically connected in described central recess (12), the first radiating element (21) distributing point (211) and node (212) in junction, have been formed, distributing point (211) for the feed that is connected to a mobile terminal at first frequency place resonance, described node (212) is connected with conductive earthing face (5) by hole (4).
2. a kind of multiband LTE MIMO antenna structure according to claim 1, is characterized in that, two antenna radiation units (2) are symmetrically distributed on pcb board (1) front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472940.6U CN204011713U (en) | 2014-08-20 | 2014-08-20 | A kind of multiband LTE MIMO antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472940.6U CN204011713U (en) | 2014-08-20 | 2014-08-20 | A kind of multiband LTE MIMO antenna structure |
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| Publication Number | Publication Date |
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| CN204011713U true CN204011713U (en) | 2014-12-10 |
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| CN201420472940.6U Active CN204011713U (en) | 2014-08-20 | 2014-08-20 | A kind of multiband LTE MIMO antenna structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337022A (en) * | 2015-10-19 | 2016-02-17 | 广东欧珀移动通信有限公司 | LTE-A (Long Term Evolution-Advanced) MIMO (Multiple Input Multiple Output) antenna apparatus with all-metal housing |
| CN107863605A (en) * | 2017-10-17 | 2018-03-30 | 广东盛路通信科技股份有限公司 | More integrated CPE mimo antennas |
| CN110212282A (en) * | 2019-05-22 | 2019-09-06 | 魔笛(苏州)通讯科技有限公司 | A kind of antenna system of built-in MIMO |
-
2014
- 2014-08-20 CN CN201420472940.6U patent/CN204011713U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337022A (en) * | 2015-10-19 | 2016-02-17 | 广东欧珀移动通信有限公司 | LTE-A (Long Term Evolution-Advanced) MIMO (Multiple Input Multiple Output) antenna apparatus with all-metal housing |
| CN105337022B (en) * | 2015-10-19 | 2018-01-19 | 广东欧珀移动通信有限公司 | A kind of LTE A MIMO antenna devices of full metal jacket |
| CN107863605A (en) * | 2017-10-17 | 2018-03-30 | 广东盛路通信科技股份有限公司 | More integrated CPE mimo antennas |
| CN107863605B (en) * | 2017-10-17 | 2024-01-09 | 广东盛路通信科技股份有限公司 | Multi-integrated CPE MIMO antenna |
| CN110212282A (en) * | 2019-05-22 | 2019-09-06 | 魔笛(苏州)通讯科技有限公司 | A kind of antenna system of built-in MIMO |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211100 Tianyuan East Road, Jiangning District, Nanjing, Jiangsu Province, No. 1 Patentee after: Zhong Tong clothing consulting and Design Research Institute Co., Ltd. Address before: 211100 Tianyuan East Road, Jiangning District, Nanjing, Jiangsu Province, No. 1 Patentee before: Jiangsu Posts & Telecommunications Planning and Designing Institute Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |