CN101740849A - Multi-band antenna - Google Patents
Multi-band antenna Download PDFInfo
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- CN101740849A CN101740849A CN201010101138A CN201010101138A CN101740849A CN 101740849 A CN101740849 A CN 101740849A CN 201010101138 A CN201010101138 A CN 201010101138A CN 201010101138 A CN201010101138 A CN 201010101138A CN 101740849 A CN101740849 A CN 101740849A
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Abstract
The embodiment of the invention discloses a multi-band antenna, relates to the field of mobile communication and realizes that antenna works in different frequency bands. The multi-band antenna comprises a radiating unit and a feeder, wherein the radiating unit comprises a first radiating element and a second radiating element. The first radiating element and the second radiating element are symmetrically arranged and comprise a hollow first section of radiating part, a second section of radiating part stretched in the first section of radiating part and an n section of radiating part stretched in the n-1 section of radiating part. The invention is applied to designing multi-band antenna.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of multiband aerial.
Background technology
It is an emerging wireless access wide band technology that worldwide interoperability for microwave inserts (Worldwide Interoperability for Microwave Access is called for short WiMAX), can provide towards the high speed of the Internet to connect, and data transmission distance can reach 50km farthest.WiMAX has QoS guarantee, transmission rate height, professional advantage such as rich and varied.
WiMAX operates mainly in several frequency ranges such as 2.3GHz～2.4GHz, 2.496GHz～2.69GHz, 3.4～3.6GHz.At present, topmost problem of WiMAX terminal or covering problem, therefore higher to the antenna gain expectation, so prior art has been used a large amount of external horizontal omnidirectional antennas.According to antenna theory, the antenna working frequency range is relevant with antenna size, that is to say the antenna size difference of different frequency range.
The inventor finds that the external horizontal omnidirectional beamwidth of antenna that prior art provides is narrower, can not satisfy a plurality of frequency ranges that work in WiMAX simultaneously when realizing technical scheme of the present invention.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of multiband aerial, can realize making antenna work in different frequency range.
For solving the problems of the technologies described above, multiband aerial of the present invention adopts following technical scheme:
A kind of multiband aerial, comprise: radiating element and feeder line, described radiating element comprises: symmetrically arranged first radiant body and second radiant body, and described first radiant body and second radiant body comprise: first section radiation component of hollow, second section radiation component in described first section radiation component stretches ... and the N section radiation component in N-1 section radiation component of stretching.
The multiband aerial that the embodiment of the invention provides has the radiating element of a plurality of extensible members by setting, utilizes pulling out and retraction of extensible member, make antenna can work in different frequency range, and this conceptual design is simple, is easy to realize.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of multiband aerial embodiment one of the present invention;
Fig. 2 is the structural representation of multiband aerial embodiment two of the present invention;
Fig. 3 is the structural representation of multiband aerial embodiment three of the present invention;
Fig. 4 is one of feeder line schematic diagram of multiband aerial of the present invention;
Fig. 5 is two of the feeder line schematic diagram of multiband aerial of the present invention;
Fig. 6 is three of the feeder line schematic diagram of WiMAX multiband aerial of the present invention.
Description of reference numerals:
1-radiating element; 2-feeder line; 11-the first radiant body;
12-the second radiant body; 111-the-section radiation component; 112-the second section radiation component;
113-the three section radiation component; 21-screens.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of multiband aerial, has realized making antenna to work in different frequency range.
Embodiment one
The embodiment of the invention provides a kind of multiband aerial, as shown in Figure 1, this antenna comprises: radiating element 1 and feeder line 2, described radiating element 1 comprises: symmetrically arranged first radiant body 11 and second radiant body 12, and described first radiant body 11 and second radiant body 12 include: first section radiation component 111 of hollow, second section radiation component 112 in described first section radiation component stretches ... and the N section radiation component in N-1 section radiation component of stretching.
First radiant body 11 and second radiant body 12 are symmetrical arranged, the structure of the two all comprise hollow first section radiation component 111, second section radiation component 112 in described first section radiation component stretches ... and the N section radiation component in N-1 section radiation component of stretching.Wherein, second section radiation component, 112 to the first sections radiation components 111 are thin slightly, and second section radiation component 112 can shrink in first section radiation component 111; The 3rd section radiation component is thinner slightly than second section radiation component 112, the 3rd section radiation component can shrink in second section radiation component 112, and, the 3rd section radiation component and second section radiation component 112 can shrink in first section radiation component 111 simultaneously, in like manner, N section radiation component is thinner slightly than N-1 section radiation component, N section radiation component can shrink in the N-1 section radiation component, and, N section radiation component, N-1 section radiation component ... and second section radiation component 112 can shrink in first section radiation component 111 simultaneously, with the operation of stretching of second section radiation component to the N section radiation component, can make antenna work in different frequency range.
The multiband aerial that the embodiment of the invention provides has the radiating element of a plurality of extensible members by setting, utilizes pulling out and retraction of extensible member, make antenna can work in different frequency range, and this conceptual design is simple, and it is convenient to realize.
Embodiment two
On the basis of embodiment one, further, be example with the Wimax that operates mainly in several frequency ranges such as 2.3GHz～2.4GHz, 2.496GHz～2.69GHz, 3.4～3.6GHz, technical scheme of the present invention is described.As shown in Figure 2, the multiband aerial that present embodiment provides comprises: symmetrically arranged first radiant body 11 and second radiant body 12, described first radiant body 11 and second radiant body 12 include: first section radiation component 111 of hollow, second section radiation component 112 in described first section radiation component and the 3rd section radiation component 113 in second section radiation component 112 of stretching stretch.
First radiant body 11 and second radiant body 12 are symmetrical arranged, the structure of the two all comprise hollow first section radiation component 111, second section radiation component 112 in described first section radiation component and the 3rd section radiation component 113 in second section radiation component 112 of stretching stretch.Wherein, second section radiation component, 112 to the first sections radiation components 111 are thin slightly, and second section radiation component 112 can shrink in first section radiation component 111; The 3rd section radiation component is thinner slightly than second section radiation component 112, and the 3rd section radiation component can shrink in second section radiation component 112, and the 3rd section radiation component 113 and second section radiation component 112 can shrink in first section radiation component 111 simultaneously.When the 3rd section radiation component 113 and second section radiation component 112 shrank in first section radiation component 111, antenna worked in the 3.5GHz frequency range; When pulling out second section radiation component 112, and the 3rd section radiation component 113 be when shrinking in second section radiation component 112, and antenna works in the 2.5GHz frequency range; When second section radiation component 112 and the 3rd section radiation component 113 were all pulled out, antenna worked in 2.3GHz.
Because Wimax operates mainly in several frequency ranges such as 2.3GHz～2.4GHz, 2.496GHz～2.69GHz, 3.4～3.6GHz.Therefore, the multiband aerial setting that the embodiment of the invention provides comprises the radiating element of first section radiation component, second section radiation component and the 3rd section radiation component, utilize second section radiation component and the 3rd section flexible operation of radiation component in first section radiation component, realize that antenna works in different frequency range.
Embodiment three
On the basis of embodiment one and embodiment two, this multiband aerial can be for comprising the antenna element of a radiating element, further, and as shown in Figure 3, this multiband aerial can also be for comprising the N element array antenna of N radiating element, and a described N radiating element 1 is connected in series mutually by described feeder line 2.
If antenna is N element array antenna, then a radiating element is called an array element, because the spacing of array element, i.e. and the spacing of adjacent radiation unit, also with frequency dependence, therefore, the feeder line 2 that connects between the adjacent array element also needs to make Collapsible structure, promptly telescopic feeder line.
As Fig. 4, Fig. 5 and shown in Figure 6, feeder line structure includes but not limited to following implementation:
Feeder line structure shown in Fig. 4 is that two ends are thick, and middle thin, feeder line is provided with screens 21, so that realize that feeder line stretches out or the location of retraction.
Feeder line structure shown in Fig. 5 is that two ends are thin, and is middle thick, is provided with screens 21 on the feeder line equally, so that realize that feeder line stretches out or the location of retraction.
Feeder line structure shown in Fig. 6 is a syllogic, attenuates piecemeal, can be provided with screens on the feeder line, so that realize that feeder line stretches out or the location of retraction.
In general, the frequency range of antenna work is low more, and the aerial radiation body length is big more.For array antenna, the feeder line length between each array element is also long more.The length of each band antenna radiant body and feeder line need be determined according to emulation and debugging situation, makes antenna work in optimum state.
The multiband aerial that the embodiment of the invention provides, the radiating element and the telescopic feeder line that have a plurality of extensible members by setting, utilize pulling out and retraction of extensible member and feeder line, make antenna can work in different frequency range, and this conceptual design is simple, it is convenient to realize, reduces design iterations, and has good antenna performance.
Need to prove that the application of technical scheme provided by the invention is not limited to terminal antenna, also can be used for the omni-base station antenna; Further, this technical scheme also is not limited to the WiMAX frequency range, also can be used for other multiband aerial designs.
Those of ordinary skills can recognize, the unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software clearly is described, the composition and the step of each example described prevailingly according to function in the above description.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use distinct methods to realize described function to each specific should being used for, but this realization should not thought and exceeds scope of the present invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (6)
1. multiband aerial, comprise: radiating element and feeder line, it is characterized in that, described radiating element comprises: symmetrically arranged first radiant body and second radiant body, and described first radiant body and second radiant body include: first section radiation component of hollow, second section radiation component in described first section radiation component stretches ... and the N section radiation component in N-1 section radiation component of stretching.
2. multiband aerial according to claim 1, it is characterized in that, described N section radiation component is the 3rd a section radiation component, then first of described hollow section radiation component, second section radiation component in described first section radiation component stretches ... and the N section radiation component that stretches in N-1 section radiation component is: first section radiation component of hollow, second section radiation component in described first section radiation component and the 3rd section radiation component in second section radiation component of stretching stretch.
3. multiband aerial according to claim 1 and 2 is characterized in that, described multiband aerial is the antenna element that comprises a radiating element.
4. multiband aerial according to claim 1 and 2 is characterized in that, described multiband aerial is the N element array antenna that comprises N radiating element, and a described N radiating element is connected in series mutually by described feeder line.
5. multiband aerial according to claim 4 is characterized in that, described feeder line is telescopic feeder line.
6. multiband aerial according to claim 5 is characterized in that described feeder line is provided with screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101011382A CN101740849B (en) | 2010-01-26 | 2010-01-26 | Multi-band antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101011382A CN101740849B (en) | 2010-01-26 | 2010-01-26 | Multi-band antenna |
Publications (2)
| Publication Number | Publication Date |
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| CN101740849A true CN101740849A (en) | 2010-06-16 |
| CN101740849B CN101740849B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101011382A Active CN101740849B (en) | 2010-01-26 | 2010-01-26 | Multi-band antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887667A (en) * | 2017-04-26 | 2017-06-23 | 青岛海信移动通信技术股份有限公司 | A kind of antenna and mobile terminal |
| CN107240772A (en) * | 2017-07-26 | 2017-10-10 | 上海鸿洛通信电子有限公司 | A kind of FPC plates and communication antenna for supporting multiband |
| WO2022227807A1 (en) * | 2021-04-30 | 2022-11-03 | 中兴通讯股份有限公司 | Middle frame assembly of extendable/retractable terminal, and extendable/retractable terminal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4647941A (en) * | 1984-06-25 | 1987-03-03 | At&T Bell Laboratories | Telescopic antenna extended by coaxial cable feed |
| JPH0432305A (en) * | 1990-05-29 | 1992-02-04 | Nec Corp | Antenna |
| CN201146237Y (en) * | 2008-01-23 | 2008-11-05 | 上海全一通讯技术有限公司 | Antenna for mobile digital television |
-
2010
- 2010-01-26 CN CN2010101011382A patent/CN101740849B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887667A (en) * | 2017-04-26 | 2017-06-23 | 青岛海信移动通信技术股份有限公司 | A kind of antenna and mobile terminal |
| CN106887667B (en) * | 2017-04-26 | 2020-06-16 | 青岛海信移动通信技术股份有限公司 | Antenna and mobile terminal |
| CN107240772A (en) * | 2017-07-26 | 2017-10-10 | 上海鸿洛通信电子有限公司 | A kind of FPC plates and communication antenna for supporting multiband |
| WO2022227807A1 (en) * | 2021-04-30 | 2022-11-03 | 中兴通讯股份有限公司 | Middle frame assembly of extendable/retractable terminal, and extendable/retractable terminal |
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| Publication number | Publication date |
|---|---|
| CN101740849B (en) | 2013-06-12 |
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Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
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Effective date of registration: 20181217 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |
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Effective date of registration: 20210428 Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040 Patentee after: Honor Device Co.,Ltd. Address before: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop Patentee before: HUAWEI DEVICE Co.,Ltd. |