CN102709672A - Multiband antenna - Google Patents
Multiband antenna Download PDFInfo
- Publication number
- CN102709672A CN102709672A CN2012100015421A CN201210001542A CN102709672A CN 102709672 A CN102709672 A CN 102709672A CN 2012100015421 A CN2012100015421 A CN 2012100015421A CN 201210001542 A CN201210001542 A CN 201210001542A CN 102709672 A CN102709672 A CN 102709672A
- Authority
- CN
- China
- Prior art keywords
- radiation
- department
- parasitic element
- construction unit
- type
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a multiband antenna which comprises a feeding point, a first grounding point, a second grounding point, a radiation portion, a branch structure and a parasitic element. The radiation portion is connected with the feeding point, the parasitic element comprises a first parasitic unit connected with the first grounding point and a second parasitic unit connected with the second grounding point, the first parasitic unit and the second parasitic unit are arranged on two sides of the radiation portion, the first parasitic unit is coupled with the radiation portion, the branch structure is arranged between the radiation portion and the second parasitic unit, and the branch structure is coupled with the second parasitic unit. The antenna which achieves the multiband through an intercoupling effect has the advantages of being small in size, low in cost, wide in band width and high in efficiency.
Description
[technical field]
The present invention relates to a kind of antenna, relate in particular to a kind of multiband antenna that is applied in the portable electron device.
[background technology]
In Wireless Telecom Equipment, always there is a device that receives electromagnetic energy to the space radiation electromagnetic energy with from the space, this device is exactly an antenna.The effect of antenna is that digital signal that is modulated to rf frequency or analog signal are transmitted into the spacing wireless channel, or is modulated at numeral or the analog signal on the rf frequency from the reception of spacing wireless channel.
Smart mobile phone and panel computer have risen becomes a kind of personal radio communication of fashion equipment; Various radio communication services such as the integrated LTE of while inevitable requirement; If the correspondence in mobile device of corresponding multiple communication band is provided with a plurality of antennas; It is bigger to make that the integral body of antenna takies volume, makes that also the whole cost of product is higher, also is not inconsistent with popular mobile device slimming trend day by day.So multiband antenna low-cost, miniaturization becomes the object of designer's active development research.
[summary of the invention]
To the integral body of prior art antenna take volume big with make the whole cost problem of higher of product, the purpose of this invention is to provide a kind of integral body take volume less with make the whole lower-cost multiband antenna of product.
The objective of the invention is to realize like this:
A kind of multiband antenna; Comprise distributing point, first earth point and second earth point; Said multiband antenna also comprises Department of Radiation, branched structure and parasitic element; Said Department of Radiation connects distributing point, and said parasitic element comprises first parasitic element and second parasitic element that is connected second earth point of connection first earth point that is positioned at the Department of Radiation both sides, is coupled between said first parasitic element and the said Department of Radiation; Said branched structure is located between the Department of Radiation and second parasitic element, is coupled between the said branched structure and second parasitic element.
Preferably, said Department of Radiation be provided with the coupling current feed department that connects distributing point and with coupling current feed department radiation horizontal stripe connected vertically.
Preferably, first parasitic element comprises L type first construction unit that connects first earth point and laterally arrange with the coupling current feed department, is provided with first gap of regulating frequency band between L type first construction unit and the coupling current feed department; With the vertically disposed T type of L type first construction unit construction unit, be provided with second gap between T type construction unit and the radiation horizontal stripe, T type construction unit and radiation horizontal stripe are realized low-frequency band through the coupling of second gap.
Preferably; L type second construction unit of second parasitic element for connecting second earth point and laterally arranging with the coupling current feed department; Said branched structure is the vertically extending horizontal stripe of current feed department that is coupled certainly; Be provided with third space between L type second construction unit and the branched structure, L type second construction unit and branched structure are realized high frequency band through the third space coupling.
Preferably, said multiband antenna can be operated in low-frequency band 698～960MHz, midband 1710～2170MHz, high frequency band 2305～2690MHz respectively.
The present invention has the following advantages: the invention provides a kind of antenna that utilizes the parasitic couplings effect to realize multiband.This antenna takies that volume is little, cost is low, bandwidth is wide, efficient is high.
[description of drawings]
Fig. 1 is the planar structure sketch map of multiband antenna of the present invention;
Fig. 2 is the operating efficiency test result figure of multiband antenna of the present invention;
Fig. 3 is the voltage standing wave ratio test result figure of multiband antenna of the present invention.
[embodiment]
Below in conjunction with accompanying drawing, the present invention is elaborated.
As shown in Figure 1; Planar structure sketch map for multiband antenna 100 of the present invention; It comprises distributing point P, the first earth point G1 and the second earth point G2; Said multiband antenna 100 also comprises Department of Radiation 40, branched structure 52 and parasitic element (not indicating); Said Department of Radiation 40 connects distributing point P, and said parasitic element comprises first parasitic element 10 and second parasitic element 20 that is connected the second earth point G2 of the connection first earth point G1 that is positioned at Department of Radiation 40 both sides, coupling between said first parasitic element 10 and the said Department of Radiation 40; Said branched structure 52 is located between the Department of Radiation 40 and second parasitic element 20, coupling between the said branched structure 52 and second parasitic element 20.
Said Department of Radiation 40 be provided with the coupling current feed department 41 that connects distributing point P and with coupling current feed department 41 radiation horizontal stripes 42 connected vertically.
Said first parasitic element 10 comprise an end connect first earth point G1's and with first taeniae 11 that laterally arranges of coupling current feed department 41; From the other end of first taeniae 11 to vertically extending first horizontal stripe 12 of direction away from coupling current feed department 41; On first horizontal stripe 12,, connect the terminal of second taeniae 21 and be parallel to second horizontal stripe 22 that radiation horizontal stripe 42 is provided with a bit to away from vertically extending second taeniae 21 of the direction of first taeniae 11.First taeniae 11 and first horizontal stripe 12 have formed L type first construction unit, 101, the second taeniaes 21 jointly and second horizontal stripe 22 has formed T type construction unit 102 jointly.Be provided with first gap 61 of regulating frequency band between L type first construction unit 101 and the coupling current feed department 41; Be provided with second gap 62 between T type construction unit 102 and the radiation horizontal stripe 42, T type construction unit 102 is realized low-frequency band with radiation horizontal stripe 42 through 62 couplings of second gap, can adjust this frequency band through adjusting second gap 62.The low-frequency band that realizes through being coupled can effectively shorten guide wavelength, realizes the miniaturization of antenna.
Said second parasitic element 20 comprise an end connect second earth point G2's and with the 3rd taeniae 31 that laterally arranges of coupling current feed department 41, from the other end of the 3rd taeniae 31 to vertically extending the 3rd horizontal stripe 32 of direction away from coupling current feed department 41.The 3rd taeniae 31 and the 3rd horizontal stripe 32 have formed L type second construction unit 201 jointly.Said branched structure 52 is the current feed department 41 vertically extending horizontal stripes that are coupled certainly; Be provided with third space 63 between L type second construction unit 201 and the branched structure 52; L type second construction unit 201 is realized high frequency band with branched structure 52 through third space 63 couplings, can adjust this frequency band through adjustment third space 63.The introducing of second parasitic element 20 has increased frequency band but has not increased the volume that takies of antenna 100.
Said Department of Radiation 40 is realized midband, can adjust this frequency band through the length of adjustment radiation horizontal stripe 42.
Loudspeaker module can be arranged at the position in second taeniae, 21 left sides between second horizontal stripe 22 and first horizontal stripe 12, the module compactness is set like this, takies the volume reduction.
3 frequency bands of multiband antenna 100 work of the present invention: low-frequency band 698～960MHz; Midband 1710～2170MHz, high frequency band 2305～2690MHz have comprised GSM850, GSM900, DCS1800, PCS1900, UMTS, LTE700, LTE2300, LTE2500, Bluetooth nine personal communication service frequency bands.
Like Fig. 2 is the operating efficiency test result that obtains through actual measurement.Multiband antenna 100 as can beappreciated from fig. 2 of the present invention all has good radiation efficiency and comparatively stable in each frequency band, efficiency value mainly concentrates between the 50%-80%.The voltage standing wave ratio test result figure that Fig. 3 obtains through actual measurement for multiband antenna 100 of the present invention.
The invention provides a kind of antenna that utilizes the parasitic couplings effect to realize multiband.The low-frequency band that realizes through being coupled can effectively shorten guide wavelength, realizes the miniaturization of antenna, and the bandwidth of height frequency band is wide simultaneously, and efficient is high.
Above-described only is execution mode of the present invention, should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the invention design, can also make improvement, but these all belongs to protection scope of the present invention.
Claims (5)
1. multiband antenna; Comprise distributing point, first earth point and second earth point; It is characterized in that: said multiband antenna also comprises Department of Radiation, branched structure and parasitic element; Said Department of Radiation connects distributing point, and said parasitic element comprises first parasitic element and second parasitic element that is connected second earth point of connection first earth point that is positioned at the Department of Radiation both sides, is coupled between said first parasitic element and the said Department of Radiation; Said branched structure is located between the Department of Radiation and second parasitic element, is coupled between the said branched structure and second parasitic element.
2. multiband antenna according to claim 1 is characterized in that: said Department of Radiation be provided with the coupling current feed department that connects distributing point and with coupling current feed department radiation horizontal stripe connected vertically.
3. multiband antenna according to claim 2; It is characterized in that: first parasitic element comprises L type first construction unit that connects first earth point and laterally arrange with the coupling current feed department, is provided with first gap of regulating frequency band between L type first construction unit and the coupling current feed department; With the vertically disposed T type of L type first construction unit construction unit, be provided with second gap between T type construction unit and the radiation horizontal stripe, T type construction unit and radiation horizontal stripe are realized low-frequency band through the coupling of second gap.
4. multiband antenna according to claim 3; It is characterized in that: L type second construction unit of second parasitic element for connecting second earth point and laterally arranging with the coupling current feed department; Said branched structure is the vertically extending horizontal stripe of current feed department that is coupled certainly; Be provided with third space between L type second construction unit and the branched structure, L type second construction unit and branched structure are realized high frequency band through the third space coupling.
5. multiband antenna according to claim 1 is characterized in that: said multiband antenna is operated in low-frequency band 698～960MHz, midband 1710～2170MHz, high frequency band 2305～2690MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210001542.1A CN102709672B (en) | 2012-01-05 | 2012-01-05 | Multiband antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210001542.1A CN102709672B (en) | 2012-01-05 | 2012-01-05 | Multiband antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102709672A true CN102709672A (en) | 2012-10-03 |
| CN102709672B CN102709672B (en) | 2014-12-24 |
Family
ID=46902302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210001542.1A Expired - Fee Related CN102709672B (en) | 2012-01-05 | 2012-01-05 | Multiband antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102709672B (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183922A (en) * | 2013-05-28 | 2014-12-03 | 联想(北京)有限公司 | Novel antenna pattern including all frequency bands of cellular antenna and non-cellular antenna |
| CN104412450A (en) * | 2014-04-28 | 2015-03-11 | 华为终端有限公司 | Antenna and mobile terminal |
| CN105098351A (en) * | 2014-05-21 | 2015-11-25 | 启碁科技股份有限公司 | Broadband antenna and wireless communication device |
| CN105789820A (en) * | 2014-12-23 | 2016-07-20 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
| CN106207399A (en) * | 2014-12-01 | 2016-12-07 | 纬创资通股份有限公司 | Antenna, broad-band antenna and electronic installation |
| CN106571528A (en) * | 2016-10-25 | 2017-04-19 | 瑞声科技（南京）有限公司 | Multi-band antenna system and electronic equipment |
| CN106785414A (en) * | 2017-03-20 | 2017-05-31 | 合肥联宝信息技术有限公司 | Coupled antenna |
| CN107112633A (en) * | 2015-12-22 | 2017-08-29 | 华为技术有限公司 | A kind of mobile terminal |
| CN109742526A (en) * | 2018-12-31 | 2019-05-10 | 瑞声科技（南京）有限公司 | Compact two-band mimo antenna and mobile terminal |
| CN109742527A (en) * | 2018-12-31 | 2019-05-10 | 瑞声科技（南京）有限公司 | Compact two-band mimo antenna |
| CN110649393A (en) * | 2019-09-29 | 2020-01-03 | 厦门大学嘉庚学院 | Tree-shaped growth type array ultra-wideband antenna |
| WO2020034685A1 (en) * | 2018-08-13 | 2020-02-20 | 瑞声声学科技(深圳)有限公司 | Antenna system and mobile terminal |
| TWI725642B (en) * | 2019-11-29 | 2021-04-21 | 英業達股份有限公司 | Multi-band antenna |
| US11289810B2 (en) | 2019-11-15 | 2022-03-29 | Inventec (Pudong) Technology Corporation | Multi-band antenna |
| US20230216177A1 (en) * | 2022-01-03 | 2023-07-06 | Wistron Neweb Corporation | Antenna structure and electronic device |
| WO2023134359A1 (en) * | 2022-01-17 | 2023-07-20 | 华为技术有限公司 | Antenna and electronic device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI572089B (en) | 2015-07-16 | 2017-02-21 | 和碩聯合科技股份有限公司 | Wireless communication apparatus |
| CN108879099B (en) * | 2017-05-15 | 2021-04-02 | 启碁科技股份有限公司 | Mobile device and antenna structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200729612A (en) * | 2006-01-26 | 2007-08-01 | Yageo Corp | Internal multi-band antenna |
| TW200905983A (en) * | 2007-07-16 | 2009-02-01 | Quanta Comp Inc | Broadband antenna |
| CN201440222U (en) * | 2009-07-01 | 2010-04-21 | 联想(北京)有限公司 | Portable equipment |
-
2012
- 2012-01-05 CN CN201210001542.1A patent/CN102709672B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200729612A (en) * | 2006-01-26 | 2007-08-01 | Yageo Corp | Internal multi-band antenna |
| TW200905983A (en) * | 2007-07-16 | 2009-02-01 | Quanta Comp Inc | Broadband antenna |
| CN201440222U (en) * | 2009-07-01 | 2010-04-21 | 联想(北京)有限公司 | Portable equipment |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183922A (en) * | 2013-05-28 | 2014-12-03 | 联想(北京)有限公司 | Novel antenna pattern including all frequency bands of cellular antenna and non-cellular antenna |
| CN104412450A (en) * | 2014-04-28 | 2015-03-11 | 华为终端有限公司 | Antenna and mobile terminal |
| CN105098351A (en) * | 2014-05-21 | 2015-11-25 | 启碁科技股份有限公司 | Broadband antenna and wireless communication device |
| CN106207399A (en) * | 2014-12-01 | 2016-12-07 | 纬创资通股份有限公司 | Antenna, broad-band antenna and electronic installation |
| CN105789820A (en) * | 2014-12-23 | 2016-07-20 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
| CN105789820B (en) * | 2014-12-23 | 2020-01-14 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
| CN107112633B (en) * | 2015-12-22 | 2021-01-05 | 华为技术有限公司 | Mobile terminal |
| CN107112633A (en) * | 2015-12-22 | 2017-08-29 | 华为技术有限公司 | A kind of mobile terminal |
| CN106571528A (en) * | 2016-10-25 | 2017-04-19 | 瑞声科技（南京）有限公司 | Multi-band antenna system and electronic equipment |
| CN106785414A (en) * | 2017-03-20 | 2017-05-31 | 合肥联宝信息技术有限公司 | Coupled antenna |
| WO2020034685A1 (en) * | 2018-08-13 | 2020-02-20 | 瑞声声学科技(深圳)有限公司 | Antenna system and mobile terminal |
| US10978786B2 (en) | 2018-08-13 | 2021-04-13 | AAC Technologies Pte. Ltd. | Antenna system and mobile terminal |
| CN109742527A (en) * | 2018-12-31 | 2019-05-10 | 瑞声科技（南京）有限公司 | Compact two-band mimo antenna |
| CN109742526A (en) * | 2018-12-31 | 2019-05-10 | 瑞声科技（南京）有限公司 | Compact two-band mimo antenna and mobile terminal |
| CN110649393A (en) * | 2019-09-29 | 2020-01-03 | 厦门大学嘉庚学院 | Tree-shaped growth type array ultra-wideband antenna |
| US11289810B2 (en) | 2019-11-15 | 2022-03-29 | Inventec (Pudong) Technology Corporation | Multi-band antenna |
| TWI725642B (en) * | 2019-11-29 | 2021-04-21 | 英業達股份有限公司 | Multi-band antenna |
| US20230216177A1 (en) * | 2022-01-03 | 2023-07-06 | Wistron Neweb Corporation | Antenna structure and electronic device |
| US11923597B2 (en) * | 2022-01-03 | 2024-03-05 | Wistron Neweb Corporation | Antenna structure and electronic device |
| WO2023134359A1 (en) * | 2022-01-17 | 2023-07-20 | 华为技术有限公司 | Antenna and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102709672B (en) | 2014-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102709672B (en) | Multiband antenna | |
| CN103117452B (en) | A kind of novel LTE terminal antenna | |
| US9306266B2 (en) | Multi-band antenna for wireless communication | |
| US20100060542A1 (en) | Multi-Band Antenna Arrangement | |
| US9455497B2 (en) | Multi-band antenna | |
| CN103339855A (en) | Balanced antenna system | |
| CN101587983A (en) | Multi-frequency antenna and radio communication system having same | |
| WO2006090673A1 (en) | Portable wireless device | |
| CN104505592B (en) | A kind of MIMO mobile terminal antennas with broadband character | |
| CN104167605A (en) | Antenna structure and wireless communication apparatus using the same | |
| US10109926B2 (en) | Antenna radiator, antenna and mobile terminal | |
| US9191471B2 (en) | Wireless communication device | |
| CN104466371A (en) | Communication device | |
| CN106571528B (en) | Multiband antenna system and electronic device | |
| CN104577298A (en) | Communication device | |
| CN104995795B (en) | Inverted F shaped antenna and vehicle-mounted composite antenna apparatus | |
| CN210006896U (en) | Metal frame antenna and terminal comprising same | |
| CN104143694B (en) | Antenna structure and wireless communication device using same | |
| CN202513278U (en) | Terminal antenna | |
| TWI508375B (en) | Antenna module | |
| CN102394350A (en) | Foldable dipole antenna | |
| US9142890B2 (en) | Antenna assembly | |
| CN202817176U (en) | Adjustable antenna module | |
| WO2014000582A1 (en) | 3g antenna for cellphone and 3g cellphone | |
| US9502772B2 (en) | Antenna structure and wireless communication device using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20220105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |