CN205319316U - Be applied to wireless LAN's dual -frenquency MIMO dipole antenna - Google Patents
Be applied to wireless LAN's dual -frenquency MIMO dipole antenna Download PDFInfo
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- CN205319316U CN205319316U CN201521134719.0U CN201521134719U CN205319316U CN 205319316 U CN205319316 U CN 205319316U CN 201521134719 U CN201521134719 U CN 201521134719U CN 205319316 U CN205319316 U CN 205319316U
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- mimo
- wlan
- area network
- local area
- wireless local
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Abstract
The utility model discloses a be applied to wireless LAN's dual -frenquency MIMO dipole antenna belongs to the antenna technology field, including reflecting plate (1) and two medium base plate (2), two medium base plate (2) set up perpendicularly at the both ends of reflecting plate (1), and two medium base plate (2) sculptures have a pair of antenna element of mutual symmetry, and antenna element comprises 2.4G radiating element (4) and 5G radiating element (5) connected on transmission line (3), and the one end and the impedance match line (6) of transmission line (3) are connected, and impedance match line (6) sculpture is on reflecting plate (1). The utility model discloses a set of antenna element can cover two working frequency band of 2.4GHz and 5GHz, and two medium base plates put perpendicularly, and the polarised direction is perpendicular, and the isolation can reach 35dB~45dB, and the reflecting plate makes the antenna element can the directed radiation, does not receive background environment's influence, and whole antenna design is simple, and is small, with low costs.
Description
Technical field
The utility model relates to antenna technical field, especially a kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network).
Background technology
WLAN (wireless local area network) (WLAN) antenna is one of key part of wireless lan communication system, and its performance is very big on the quality of radio communication and distance impact. In recent years, although wireless local area network technology development is rapidly, but the expectation demand of its performance and speed and people also has certain gap, and the performance and the capacity that how to promote WLAN (wireless local area network) further seem important day by day. The WLAN standard of a new generation adopts MIMO technology as its core technology, with the throughput capacity of this further lifting WLAN, transmission range and reliability.
Although MIMO technology obtains application in WLAN system, but up to now, an important factor of WLAN network still unrealized extensive covering is exactly antenna problem. Owing to being subject to receiving apparatus or the restriction of emitter size and structure, often need layout antenna unit as much as possible in limited space, and the factor such as the design of antenna unit, the number of antenna unit, the structure of array, modes of emplacement of array all can directly have influence on the spatial coherence of channel.
Practical novel content
The utility model proposes a kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network), it is achieved mimo antenna is two to be covered frequently, and linear oscillator interval, sky is high from degree.
The technical solution of the utility model is achieved in that
A kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network), comprise reflector and two medium substrates, two described medium substrates are vertically set on the two ends of described reflector, described medium substrate is etched with symmetrical one to antenna unit, described antenna unit radiates oscillator by the 2.4G connected on the transmission line and 5G radiation oscillator forms, one end of described transmission line is connected with impedance matching line, and described impedance matching line is etched on described reflector.
As preferably, two described medium substrates are spaced apart 8cm～25cm.
As preferably, it is trilateral structure that described 5G radiates oscillator.
As preferably, described reflector is rectangular plate, it is of a size of 30cm ± 1cm*15cm ± 1cm.
As preferably, two described medium substrates are rectangular plate, are of a size of 8cm ± 1cm*3cm ± 1cm.
As preferably, two described medium substrates and described reflector are FR4 medium copper-clad plate.
As preferably, the relative permittivity of described FR4 medium substrate is 4.4 ± 5%, thickness is 1mm ± 0.25mm.
As preferably, the material that described 2.4G radiates oscillator and 5G radiates oscillator is copper, aluminium, silver or golden.
The utility model is by providing a kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network), its useful effect is: one group of antenna unit can cover 2.4GHz and 5GHz two work frequency range, and two medium substrates vertically put, direction of polarization is vertical, and isolation can reach 35dB～45dB, and reflector enables antenna unit directed radiation, not by the impact of background environment, whole antenna simplicity of design, volume is little, and cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view of the two MIMO dipole antenna frequently of the utility model;
Fig. 2 is the vertical view of the two MIMO dipole antenna frequently of the utility model;
Fig. 3 is the right view of the two MIMO dipole antenna frequently of the utility model.
In figure: 1-reflector; 2-medium substrate; 3-transmission line; 4-2.4G radiates oscillator; 5-5G radiates oscillator; 6-impedance matching line.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described embodiment is only the utility model part embodiment, instead of whole embodiments. Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network) as shown in Figure 1, Figure 2 and Figure 3, comprise reflector 1 and two medium substrates 2, reflector 1 preferred dimension is the rectangular plate of 30cm ± 1cm*15cm ± 1cm, two medium substrates 2 are vertically set at the two ends of rectangular plate, distance controlling between two medium substrates 2 is at 8cm～25cm, medium substrate 2 preferred dimension is the rectangular plate of 8cm ± 1cm*3cm ± 1cm, and the material of reflector 1 and medium substrate 2 is FR4 medium substrate, relative permittivity is 4.4 ± 5%, and thickness is 1mm ± 0.25mm. Each medium substrate 2 is etched with symmetrical one to antenna unit, antenna unit radiates oscillator 4 by the 2.4G being connected on transmission line 3 and 5G radiation oscillator 5 forms, 2.4G radiation oscillator 4 and 5G radiate the spacing 1mm～2mm of oscillator 5, wherein 5G radiates oscillator 5 and selects trilateral structure, the bandwidth of oscillator can be increased, and 2.4G radiation oscillator 4 can not be affected.One end of transmission line 3 is connected with the impedance matching line 6 being etched on reflector.
The foregoing is only better embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. one kind is applied to two MIMO dipole antennas frequently of WLAN (wireless local area network), comprise reflector (1) and two medium substrates (2), two described medium substrates (2) are vertically set on the two ends of described reflector (1), it is characterized in that, two described medium substrates (2) are etched with symmetrical one to antenna unit, described antenna unit radiates oscillator (4) by the 2.4G being connected on transmission line (3) and 5G radiation oscillator (5) forms, one end of described transmission line (3) is connected with impedance matching line (6), described impedance matching line (6) is etched on described reflector (1).
2. a kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network) according to claim 1, it is characterised in that, two described medium substrates (1) are spaced apart 8cm～25cm.
3. a kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network) according to claim 1, it is characterised in that, it is trilateral structure that described 5G radiates oscillator (5).
4. a kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network) according to claim 1, it is characterised in that, described reflector (1) is rectangular plate, is of a size of 30cm ± 1cm*15cm ± 1cm.
5. a kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network) according to claim 1, it is characterised in that, two described medium substrates (2) are rectangular plate, are of a size of 8cm ± 1cm*3cm ± 1cm.
6. according to the arbitrary described a kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network) of claim 1, it is characterised in that, two described medium substrates (2) and described reflector (1) they are FR4 copper-clad plate.
7. according to the arbitrary described a kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network) of claim 6, it is characterised in that, the relative permittivity of described FR4 medium substrate is 4.4 ± 5%, and thickness is 1mm ± 0.25mm.
8. according to the arbitrary described a kind of two MIMO dipole antennas frequently being applied to WLAN (wireless local area network) of claim 1, it is characterised in that, it is copper, aluminium, silver or golden that described 2.4G radiates the material of oscillator (4) and 5G radiation oscillator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134719.0U CN205319316U (en) | 2015-12-30 | 2015-12-30 | Be applied to wireless LAN's dual -frenquency MIMO dipole antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134719.0U CN205319316U (en) | 2015-12-30 | 2015-12-30 | Be applied to wireless LAN's dual -frenquency MIMO dipole antenna |
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| Publication Number | Publication Date |
|---|---|
| CN205319316U true CN205319316U (en) | 2016-06-15 |
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| CN201521134719.0U Active CN205319316U (en) | 2015-12-30 | 2015-12-30 | Be applied to wireless LAN's dual -frenquency MIMO dipole antenna |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099354A (en) * | 2016-08-05 | 2016-11-09 | 深圳前海科蓝通信有限公司 | A kind of double frequency built-in aerial and method for designing thereof |
| CN108923110A (en) * | 2018-08-21 | 2018-11-30 | 中电科航空电子有限公司 | A kind of MIMO airborne antenna using WiFi and LTE |
| CN109888497A (en) * | 2019-03-18 | 2019-06-14 | 深圳市共进电子股份有限公司 | A kind of plane dipole dual-band antenna and antenna assembly |
| CN111755808A (en) * | 2020-07-02 | 2020-10-09 | 重庆邮电大学 | Broadband millimeter wave MIMO antenna loaded with horizontal radiation branches and butterfly parasitic units |
| CN112448125A (en) * | 2019-08-28 | 2021-03-05 | 深圳市卓睿通信技术有限公司 | Double-frequency directional antenna and unmanned aerial vehicle remote controller |
-
2015
- 2015-12-30 CN CN201521134719.0U patent/CN205319316U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099354A (en) * | 2016-08-05 | 2016-11-09 | 深圳前海科蓝通信有限公司 | A kind of double frequency built-in aerial and method for designing thereof |
| CN108923110A (en) * | 2018-08-21 | 2018-11-30 | 中电科航空电子有限公司 | A kind of MIMO airborne antenna using WiFi and LTE |
| CN108923110B (en) * | 2018-08-21 | 2024-04-09 | 中电科航空电子有限公司 | MIMO (multiple input multiple output) airborne antenna adopting WiFi and LTE (Long term evolution) |
| CN109888497A (en) * | 2019-03-18 | 2019-06-14 | 深圳市共进电子股份有限公司 | A kind of plane dipole dual-band antenna and antenna assembly |
| CN109888497B (en) * | 2019-03-18 | 2024-03-22 | 深圳市共进电子股份有限公司 | Planar dipole dual-band antenna and antenna device |
| CN112448125A (en) * | 2019-08-28 | 2021-03-05 | 深圳市卓睿通信技术有限公司 | Double-frequency directional antenna and unmanned aerial vehicle remote controller |
| CN111755808A (en) * | 2020-07-02 | 2020-10-09 | 重庆邮电大学 | Broadband millimeter wave MIMO antenna loaded with horizontal radiation branches and butterfly parasitic units |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |