CN103943947A - Multifunctional miniature broadband antenna - Google Patents
Multifunctional miniature broadband antenna Download PDFInfo
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- CN103943947A CN103943947A CN201410098103.6A CN201410098103A CN103943947A CN 103943947 A CN103943947 A CN 103943947A CN 201410098103 A CN201410098103 A CN 201410098103A CN 103943947 A CN103943947 A CN 103943947A
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Abstract
The invention discloses a multifunctional miniature broadband antenna. The multifunctional miniature broadband antenna comprises an uplink base band unit, a DAC module, an uplink radio frequency unit, an antenna switching module, a downlink base band unit, an ADC module and a downlink radio frequency unit. The uplink base band unit is connected with the DAC module. The DAC module is connected with the uplink radio frequency unit. The uplink radio frequency unit is connected with the antenna switching module. The antenna switching module is connected with the downlink base band unit. The downlink base band unit is connected with the ADC module. The ADC module is connected with the downlink radio frequency unit. In this way, the multifunctional miniature broadband antenna is made of microwave materials and has the advantages of being small in size, convenient to move, high in gain and the like; moreover, multifrequency multiplexing can be achieved.
Description
Technical field
The present invention relates to communication technique field, be specifically related to a kind of Miniature wide frequency Multi-Function Antenna.
Background technology
Antenna is the important part of mobile communication, and the development of mobile communication technology has promoted the progress of antenna technology greatly.For adapting to the demand of modern communications equipment, the research and development of antenna are mainly carried out towards several aspects, reduce size, broadband and multiband work, intelligent Pattern control.Along with the raising of electronic equipment integrated level, the volume of communication equipment is also more and more less, and what at this moment antenna just showed for whole equipment is excessive, and this just needs antenna to reduce self size.Yet the size that reduces antenna in the not obvious gain that affects antenna and efficiency is but a large order.Because electronic equipment integrated level improves, often need an antenna in wider frequency range, to support two or more wireless services in addition, broadband and multiband antenna can meet such needs.Be indebted to wireless communication technique progress relation fast, the individualized action electronic products such as mobile phone, WLAN (WLAN) and satellite navigation (GPS) are also flourish, and vast market competition and consumption end are to higher-quality pursuit, make to take action electronic product except the electrical characteristic of standard, be more conceived to pursue design creative in moulding.Relatively, as the antenna of receiving/send out signal important document, also by otherwise exposed formula, designed, change gradually embedded type into and hide design.Yet, the antenna of hiding oneself for moulding in the inner small space of casing, its object is still at supplied for electronic product transmitting-receiving signal well and clearly.Again, the common person of concealed antenna is two kinds of unipole antenna (Monopole) and PIFA (planar Inverted F Antenna).Monopole antenna structure is simple, low price, but because of the restriction of antenna efficiency problem, antenna length cannot reduce effectively, and therefore, device seems more not attractive in appearance while installing body in action, and market use amount reduces gradually.In addition, planar inverted F-shape antenna, it can be hidden in running gear internal body, and changes dull and stereotyped how much external forms with fuselage, and emitting structural is wider, has larger operation frequency range, so the application on market is also comparatively extensive.Yet, no matter be that unipole antenna or PIFA antenna are all a kind of electric field antenna, easily be subject to the impact that the dielectric material near field produces reactive effect, cause frequency coordination misalignment, namely, all assemblies that approach antenna all likely affect antenna, have reduced an antenna receipts/signal efficiency, and antenna noise is raise.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of Miniature wide frequency Multi-Function Antenna, and this antenna volume is little, conveniently moving, gains highly, also can realize multifrequency multiplexing.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of Miniature wide frequency Multi-Function Antenna, comprise: uplink baseband unit, DAC module, up radio frequency unit, antenna handover module, downgoing baseband unit, ADC module, downlink radio frequency unit, the first electrode layer and the second electrode lay, described uplink baseband unit is connected with DAC module;
Described DAC module is connected with described up radio frequency unit;
Described up radio frequency unit is connected with described antenna handover module;
Described antenna handover module is connected with described the second electrode lay with described the first electrode layer respectively;
Described antenna handover module is connected with described downgoing baseband unit;
Described downgoing baseband unit is connected with described ADC module;
Described ADC module is connected with described downlink radio frequency unit;
Described downlink radio frequency unit is connected with described the second electrode lay with described the first electrode layer respectively.
In a preferred embodiment of the present invention, the height of described antenna is 50mm, and diameter is 10mm.
In a preferred embodiment of the present invention, between the every circle of described antenna, be spaced apart 0.3mm.
The invention has the beneficial effects as follows: a kind of Miniature wide frequency Multi-Function Antenna of the present invention utilizes microwave material to make matrix, by its physical characteristic, produce capacitance, and the channelling phenomenon of limitation electric current, the current loss that reactive effect causes near field effectively improved; Secondly, electrode layer overlapping region more forms a series capacitance, make this kind of Antenna Design significantly reduced volume but still there is good signal receiving/transmission ability; Moreover, see through to change the first electrode layer and in matrix, form the size in interlayer region with the second electrode lay, for example change matrix thickness size, electrode layer overlapping region size, or the mode such as electrode layer shape, can adjust capacitance change antenna resonance frequency easily.This antenna is except characteristic simple in structure, and the while is little with volume, cost is low, service efficiency is high, facilitate every advantages such as a large amount of productions.
Accompanying drawing explanation
Fig. 1 is a kind of workflow diagram of Miniature wide frequency Multi-Function Antenna.
Fig. 2 is the schematic diagram of a kind of the first embodiment of Miniature wide frequency Multi-Function Antenna.
Fig. 3 is the schematic diagram of a kind of the second embodiment of Miniature wide frequency Multi-Function Antenna.
Fig. 4 is the schematic diagram of a kind of the third embodiment of Miniature wide frequency Multi-Function Antenna.
Fig. 5 is a kind of return loss simulation and simulation result comparison diagram of Miniature wide frequency Multi-Function Antenna.
Fig. 6 is a kind of directional diagram simulation and simulation result comparison diagram of Miniature wide frequency Multi-Function Antenna.
In accompanying drawing, the mark of each parts is as follows: 1, uplink baseband unit; 2, DAC module; 3, up radio frequency unit; 4, antenna handover module; 5, downgoing baseband unit; 6, ADC module; 7, downlink radio frequency unit; 8, the first electrode layer; 9, the second electrode lay.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Refer to Fig. 1 to Fig. 6, the embodiment of the present invention comprises: a kind of Miniature wide frequency Multi-Function Antenna, comprise: uplink baseband unit 1, DAC module 2, up radio frequency unit 3, antenna handover module 4, downgoing baseband unit 5, ADC module 6, downlink radio frequency unit 7, the first electrode layer 8 and the second electrode lay 9, described uplink baseband unit 1 is connected with DAC module 2, described uplink baseband unit 1 is for transmitting the digital signal that need to launch, and described DAC module 2 is for being analog signal by the digital signal transition of described uplink baseband unit 1.
Described DAC module 2 is connected with described up radio frequency unit 3, and described up radio frequency unit 3 is for arriving described antenna handover module 4 by the analog signal transmission of described DAC module 2 conversions.
Described up radio frequency unit 1 is connected with described antenna handover module 4, and described antenna handover module 4 is transferred to respectively described the first electrode layer 8 and described the second electrode lay 9 by analog signal.
Described antenna handover module 4 is connected with described the second electrode lay 9 with described the first electrode layer 8 respectively, by described the first electrode layer 8 and described the second electrode are arranged on to the mode of matrix phase to two surfaces, lap with electrode layer, at matrix, form the interlayer with capacitor effect, more can further promote the capacitance of antenna.
Described antenna handover module 4 is connected with described downgoing baseband unit 5, and described downgoing baseband unit 5 is connected with described ADC module 6, the digital signal that described downgoing baseband unit 5 is sent for transmitting described ADC module 6.
Described ADC module 6 is connected with described downlink radio frequency unit 7, and described ADC module 7 is converted to digital signal by analog signal.
Described downlink radio frequency unit 7 is connected with described the second electrode lay 9 with described the first electrode layer 8 respectively, the analog signal that described downlink radio frequency unit 7 described the first electrode layers 8 of reception and described the second electrode lay 9 are sent.
The height of described antenna is 50mm, and diameter is 10mm.
Between the every circle of described antenna, be spaced apart 0.3mm.
Fig. 2 is the first embodiment of this kind of Miniature wide frequency Multi-Function Antenna, its antenna pattern is helical form, helical antenna central vertical is provided with a straight utmost point sub antenna, this utmost point sub antenna can, by adjusting its physical property parameter, make this utmost point sub antenna may be tuned to the resonance band that is different from helical antenna.
Fig. 3 is the second embodiment of this kind of Miniature wide frequency Multi-Function Antenna, its antenna pattern is helical form, in helical antenna, be provided with a helical form utmost point sub antenna, this utmost point sub antenna can, by adjusting its physical property parameter, make this utmost point sub antenna may be tuned to the resonance band that is different from helical antenna.
Fig. 4 is the third embodiment of this kind of Miniature wide frequency Multi-Function Antenna, its antenna pattern is helical form, in helical antenna, be provided with central vertical and be provided with a straight utmost point sub antenna, this utmost point sub antenna top is shaped as helical form higher than helical antenna place, this utmost point sub antenna can, by adjusting its physical property parameter, make this utmost point sub antenna may be tuned to the resonance band that is different from helical antenna.
Basic principle of the present invention is:
During transmitted signal, uplink baseband unit 1 sends to DAC module 2 by digital signal, DAC module 2 is converted to analog signal by digital signal, and send to up radio frequency unit 3, up radio frequency unit 3 is transferred to the first electrode layer 8 and the second electrode lay 9 and is sent by antenna handover module 4, the first electrode layer 8 and the second electrode lay 9 are arranged on the mode of matrix phase to two surfaces, lap with electrode layer, at matrix, form the interlayer with capacitor effect, more can further promote the capacitance of antenna.
While receiving signal, the analog signal that downlink radio frequency unit 7 reception the first electrode layers 8 and the second electrode lay 9 are sent, and be transferred to DAC module 6, DAC module 6 is converted to digital signal by analog signal, and is transferred to downgoing baseband unit 5.
Compared with prior art, a kind of Miniature wide frequency Multi-Function Antenna of the present invention utilizes microwave material easily to produce the characteristic of capacity effect, make a miniature antenna, effectively reduce antenna size and volume, and electric current is confined to arround antenna, the interference of avoiding induced current channelling in the circuit board to cause, thus, can guarantee the service efficiency of miniature antenna, and utilize two conductive electrode layers to be arranged on the mode of matrix phase to two surfaces, overlapped part with electrode layer, at matrix, form the interlayer with capacitor effect, more can further promote the capacitance of antenna, antenna volume can be reduced to less, same order of diversity, promote communication quality,
This kind of Miniature wide frequency Multi-Function Antenna utilizes microwave material to make matrix, by its physical characteristic, produces capacitance, and the channelling phenomenon of limitation electric current, effectively improves the current loss that reactive effect causes near field; Secondly, electrode layer overlapping region more forms a series capacitance, make this kind of Antenna Design significantly reduced volume but still there is good signal receiving/transmission ability; Moreover, see through to change the first electrode layer and in matrix, form the size in interlayer region with the second electrode lay, for example change matrix thickness size, electrode layer overlapping region size, or the mode such as electrode layer shape, can adjust capacitance change antenna resonance frequency easily.This antenna is except characteristic simple in structure, and the while is little with volume, cost is low, service efficiency is high, facilitate every advantages such as a large amount of productions.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a Miniature wide frequency Multi-Function Antenna, it is characterized in that, comprise: uplink baseband unit, DAC module, up radio frequency unit, antenna handover module, downgoing baseband unit, ADC module, downlink radio frequency unit, the first electrode layer and the second electrode lay, described uplink baseband unit is connected with DAC module;
Described DAC module is connected with described up radio frequency unit;
Described up radio frequency unit is connected with described antenna handover module;
Described antenna handover module is connected with described the second electrode lay with described the first electrode layer respectively;
Described antenna handover module is connected with described downgoing baseband unit;
Described downgoing baseband unit is connected with described ADC module;
Described ADC module is connected with described downlink radio frequency unit;
Described downlink radio frequency unit is connected with described the second electrode lay with described the first electrode layer respectively.
2. a kind of Miniature wide frequency Multi-Function Antenna according to claim 1, is characterized in that, the height of described antenna is 50mm, and diameter is 10mm.
3. a kind of Miniature wide frequency Multi-Function Antenna according to claim 1, is characterized in that, between the every circle of described antenna, is spaced apart 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410098103.6A CN103943947A (en) | 2014-03-18 | 2014-03-18 | Multifunctional miniature broadband antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410098103.6A CN103943947A (en) | 2014-03-18 | 2014-03-18 | Multifunctional miniature broadband antenna |
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| CN103943947A true CN103943947A (en) | 2014-07-23 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200610227A (en) * | 2004-09-08 | 2006-03-16 | Inventec Appliances Corp | Multi-mode and multi-band combing antenna |
| CN1808918A (en) * | 2005-01-21 | 2006-07-26 | 胡淑欣 | Low cost radiation resistant mobile communication terminal |
| CN101895008A (en) * | 2009-05-20 | 2010-11-24 | 咏业科技股份有限公司 | Miniature antenna |
| CN103401080A (en) * | 2013-08-08 | 2013-11-20 | 四川省韬光通信有限公司 | Mobile communication active antennas and distributed antenna system with same |
| CN203813021U (en) * | 2014-03-18 | 2014-09-03 | 江苏中利电子信息科技有限公司 | Micro broadband multifunctional antenna |
-
2014
- 2014-03-18 CN CN201410098103.6A patent/CN103943947A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200610227A (en) * | 2004-09-08 | 2006-03-16 | Inventec Appliances Corp | Multi-mode and multi-band combing antenna |
| CN1808918A (en) * | 2005-01-21 | 2006-07-26 | 胡淑欣 | Low cost radiation resistant mobile communication terminal |
| CN101895008A (en) * | 2009-05-20 | 2010-11-24 | 咏业科技股份有限公司 | Miniature antenna |
| CN103401080A (en) * | 2013-08-08 | 2013-11-20 | 四川省韬光通信有限公司 | Mobile communication active antennas and distributed antenna system with same |
| CN203813021U (en) * | 2014-03-18 | 2014-09-03 | 江苏中利电子信息科技有限公司 | Micro broadband multifunctional antenna |
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Application publication date: 20140723 |