CN102956957B - Broadband LTE (Long Term Evolution) antenna suitable for notebook computer and Tablet - Google Patents
Broadband LTE (Long Term Evolution) antenna suitable for notebook computer and Tablet Download PDFInfo
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- CN102956957B CN102956957B CN201210413118.8A CN201210413118A CN102956957B CN 102956957 B CN102956957 B CN 102956957B CN 201210413118 A CN201210413118 A CN 201210413118A CN 102956957 B CN102956957 B CN 102956957B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
- H01Q1/2266—Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- Waveguide Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
The invention discloses a broadband LTE (Long Term Evolution) antenna suitable for a notebook computer and a Tablet. The broadband LTE antenna comprises a PCB (Printed Circuit Board) and an antenna part arranged above the PCB, wherein the PCB comprises a metal region and a nonmetal region, the antenna part is arranged in the nonmetal region, the antenna part comprises a low-frequency parasitic arm and a high-frequency parasitic arm which are arranged in parallel with long sides of the PCB and are arranged on the external edge part of the nonmetal region, the low-frequency parasitic arm and the high-frequency parasitic arm are mutually separated and communicated with the PCB, the antenna part comprises a feedback branch, the feedback branch is divided into a feedback branch I and a feedback branch II, and the feedback branch I and the feedback branch II are vertically arranged and are integrally made. The broadband LTE antenna has the characteristics of simple structure, broadband and high efficiency.
Description
Technical field
The present invention relates to field of mobile terminals, particularly a kind of broadband LTE antenna that is applicable to notebook and Tablet.
Background technology
Mobile terminal antenna multiband is the developing direction of mobile communication always.Particularly portable mobile termianl is as notebook, Tablet.GSM850/GSM900, DCS, PCS, UMTS is the main flow of communication always, its range of frequency bandwidths is 824MHZ-960MHz, 1710MHz-2170MHz.On the other hand, along with LTE(Long Term Evolution) application of technology, except above-mentioned frequency range, LTE700Mhz, namely 700 Mhz are included to 824 Mhz, so low-frequency range comprises that 700Mhz is to 960Mhz.High band LTE 2.3 Ghz and LTE 2.5Gh, so high band also becomes the target of Antenna Design from 1710Mhz to 2700Mhz.
Conventionally notebook or Tablet antenna arrangement are in the upper edge of screen.Better for the radiance of antenna, described upper edge is headroom district, without Metal Distribution.The size of antenna, long, wide, thick also have restriction conventionally.70 millimeters long, 10 mm wides, 4 millimeters thick are antenna size spaces of current main flow.In described dimensional space, accomplish that 700Mhz is to 960Mhz, 1710Mhz has suitable difficulty to the wideband resonance of 2700Mhz.Current existing design comprises that the design of monopole T-shape adds the parasitic branch of ground connection.The efficiency of the low-frequency range of this design is not also ideal.
Summary of the invention
The present invention discloses a kind of broadband LTE antenna that is applicable to notebook and Tablet, and this antenna structure is simple, and cost is low, has broadband, the feature that efficiency is high.
Technical scheme of the present invention is as follows:
Be applicable to a broadband LTE antenna of notebook and Tablet, comprise pcb board and be arranged at the antenna part of its top, pcb board is divided into metallic region and non-metallic regions; It is characterized in that, described antenna part is arranged in non-metallic regions, and described antenna part comprises the parasitic arm of low frequency and the parasitic arm of high frequency, and the long limit that the parasitic arm of described low frequency and the parasitic arm of high frequency are parallel to pcb board arranges.
Preferably, the parasitic arm of described low frequency and the parasitic arm of high frequency are arranged at the outer edge part of non-metallic regions, the parasitic arm of described low frequency and the parasitic arm of high frequency all with pcb board UNICOM, and be not communicated with mutually at the other end.
Preferably, described antenna part comprises feed branch and feed, and described feed branch is divided into feed branch one and feed branch two, the setting vertical with feed branch two of described feed branch one, and described feed branch one is made into integration with feed branch two; Described feed is arranged between described pcb board and feed branch two.
Preferably, described antenna part also comprises via hole, and described via hole is perpendicular to described feed branch.
Preferably, described antenna part also comprises U-shaped structure, and described U-shaped structure further comprises the first branch, the second branch and the 3rd branch; Described U-shaped structure is connected with described feed branch by described via hole.
Preferably, described feed branch one is U-shaped, and described feed branch two is bending type.
Preferably, on the parasitic arm of described low frequency, include extra branch.
Preferably, the parasitic arm of the parasitic arm of described low frequency and described high frequency is respectively bending type; The first branch, the second branch and the 3rd branch of described U-shaped structure are respectively bending type.
Preferably, the parasitic arm of described low frequency comprises the parasitic arm of the first low frequency, the parasitic arm of the second low frequency and the parasitic arm of the 3rd low frequency, the parasitic arm of described the first low frequency is perpendicular to the parasitic arm of described the second low frequency, the parasitic arm of described the second low frequency is perpendicular to the parasitic arm of described the 3rd low frequency, and the parasitic arm of described the second low frequency connects the parasitic arm of the first low frequency and the parasitic arm of the second low frequency.
Preferably, also comprise the first feed branch and the second feed branch; Described the first feed branch further comprises the first feed branch one and the first feed branch two; Described the second feed branch further comprises the second feed branch one, the second feed branch two, the second feed branch three and the second feed branch four; Described the second feed branch one is perpendicular to the first feed branch one and the second feed branch two; Described the second feed branch one, the second feed branch two, the second feed branch three join end to end with the second feed branch four and are connected with described the first feed branch one; Described the second feed branch two, the second feed branch three and the second feed branch four are at same plane, and described the first feed branch one and the first feed branch two are at same plane; The parasitic arm of described the first feed branch and described high frequency forms high-frequency resonant loop; The parasitic arm of described the second feed branch and described low frequency forms low-frequency resonant loop.
Preferably, also comprise U-shaped structure, described U-shaped structure further comprises U-shaped branch one, U-shaped branch two, U-shaped branch three, U-shaped branch four, U-shaped branch five, U-shaped branch six and U-shaped branch seven; U-shaped branch one is perpendicular to described the first feed branch one and U-shaped branch two; U-shaped branch one, U-shaped branch two, U-shaped branch three, U-shaped branch four, U-shaped branch five, U-shaped branch six and U-shaped branch seven join end to end; Described U-shaped branch seven is connected in the tail end of described U-shaped branch three; Described U-shaped branch five is perpendicular to described U-shaped branch four and U-shaped branch six; Described U-shaped branch two, U-shaped branch three, U-shaped branch four and U-shaped branch seven are at same plane; The second resonance of described U-shaped structure generation low frequency.
Compared with prior art, beneficial effect of the present invention is as follows:
The first, simple in structure, applicability is wide.
The second, there is broadband, the feature that efficiency is high.
Brief description of the drawings
Fig. 1 specific embodiment of the invention antenna schematic three dimensional views;
Fig. 2 specific embodiment of the invention antenna exploded view;
The schematic diagram of Fig. 3 specific embodiment of the invention return loss;
Fig. 4 embodiment of the present invention efficiency chart;
Fig. 5 changes example 1 antenna schematic three dimensional views;
Fig. 6 changes example 2 antenna schematic three dimensional views;
Fig. 7 changes example 3 antenna schematic three dimensional views;
Fig. 8 changes example 4 antenna schematic three dimensional views.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described:
Embodiment
As Fig. 1 and Fig. 2, a kind of broadband LTE antenna that is applicable to notebook and Tablet, comprises pcb board and is arranged at the antenna part 200 of its top, pcb board is divided into metallic region 100 and non-metallic regions 101; Described antenna part is arranged in non-metallic regions 101, and described antenna part 200 comprises the parasitic arm 201 of low frequency and the parasitic arm 202 of high frequency, and the long limit that the parasitic arm of described low frequency and the parasitic arm of high frequency are parallel to pcb board arranges; The parasitic arm 201 of described low frequency and the parasitic arm 202 of high frequency are arranged at the outer edge part of non-metallic regions, the parasitic arm of described low frequency and the parasitic arm of high frequency all with pcb board UNICOM.And be not communicated with mutually at the other end.
As Fig. 2, described antenna part 200 comprises feed branch, described feed branch is divided into feed branch 1 and feed branch 2 203, the setting vertical with feed branch two of described feed branch one, described feed branch one is made into integration with feed branch two, described feed branch one and two one-tenth of feed branch " T " font; Between described feed branch two and PCB, be added with feed, as F place in figure; Described antenna part also comprises via hole 205, and described via hole is perpendicular to described feed branch 2 203.
As Fig. 2, described antenna part also comprises U-shaped structure, and described U-shaped structure further comprises the first branch 206, the second branch 207 and the 3rd branch 208; Described U-shaped structure is connected with described feed branch by described via hole 205.
As Fig. 3, it is the schematic diagram of the present embodiment return loss.From 700Mhz to 800 Mhz, return loss-below 5dB, can cover LTE band 17,13,14, frequency range is from 704Mhz to 798Mhz.Can cover GSM 850,900 two frequency ranges of GSM, frequency range is from 824Mhz to 960Mhz.High frequency from 1710Mhz to 2170 Mhz return losses below-8 dB, can cover DCS 1800, PCS 1900, W2100 frequency range.From 2500Mhz to 2700 Mhz, return loss, below-8 dB, can cover LTE band 40,41 frequency ranges, and frequency range is from 2300 Mhz to 2700 Mhz
As Fig. 4, it is the efficiency chart of the present embodiment antenna.Can see, in all frequency ranges, antenna global radiation efficiency is at 50%(-3dB) more than, extraordinary antenna global radiation efficiency belonged to.
As Fig. 5, for changing example 1, under this state, described feed branch one is U-shaped, and described feed branch two is bending type.
As Fig. 6, for changing example 2, under this state, on the parasitic arm of described low frequency, include extra branch 209.
As Fig. 7, for changing example 3, under this state, the parasitic arm 202 of the parasitic arm 201 of described low frequency and described high frequency is respectively bending type; The first branch 206, the second branch 207 and the 3rd branch 208 of described U-shaped structure are also bending type respectively.
As Fig. 8, for changing example 4, under this state, comparatively complicated, be specially:
The parasitic arm of described low frequency comprises the parasitic arm 201 of the first low frequency, the parasitic arm 210 of the second low frequency and the parasitic arm 211 of the 3rd low frequency, the parasitic arm of described the first low frequency is perpendicular to the parasitic arm of described the second low frequency, the parasitic arm of described the second low frequency is perpendicular to the parasitic arm of described the 3rd low frequency, and the parasitic arm of described the second low frequency connects the parasitic arm of the first low frequency and the parasitic arm of the second low frequency.
Also comprise the first feed branch and the second feed branch; Described the first feed branch further comprises the first feed branch 1 and the first feed branch 2 204; Described the second feed branch further comprises the second feed branch 1, the second feed branch 2 213, the second feed branch 3 214 and the second feed branch 4 215; Described the second feed branch 1 is perpendicular to the first feed branch 1 and the second feed branch 2 213; Described the second feed branch 1, the second feed branch 2 213, the second feed branch 3 214 join end to end with the second feed branch 4 215 and are connected with described the first feed branch 1; Described the second feed branch 2 213, the second feed branch 3 214 and the second feed branch 4 215 are at same plane, and described the first feed branch 1 and the first feed branch 2 204 are at same plane; The parasitic arm 202 of described the first feed branch and described high frequency forms high-frequency resonant loop; The parasitic arm of described the second feed branch and described low frequency forms low-frequency resonant loop.
Also comprise U-shaped structure, described U-shaped structure further comprises U-shaped branch 1, U-shaped branch 2 206, U-shaped branch 3 207, U-shaped branch 4 208, U-shaped branch 5 216, U-shaped branch 6 217 and U-shaped branch 7 218; U-shaped branch 1 is perpendicular to described the first feed branch 1 and U-shaped branch 2 206; U-shaped branch one, U-shaped branch two, U-shaped branch three, U-shaped branch four, U-shaped branch five, U-shaped branch six and U-shaped branch seven join end to end; Described U-shaped branch 7 218 is connected in the tail end of described U-shaped branch three; Described U-shaped branch 5 216 is perpendicular to described U-shaped branch 4 208 and U-shaped branch 6 217; Described U-shaped branch 2 206, U-shaped branch 3 207, U-shaped branch 4 208 and U-shaped branch 7 218 are at same plane; The second resonance of described U-shaped structure generation low frequency.
Above-mentioned variation example is to regulate between the parasitic branch of feed branch and ground connection, and coupling between each feed branch and low-frequency resonant arm, reaches best wideband impedance match.Through optimizing aft antenna, do not need extra original paper to do impedance matching.
The preferred embodiment of the present invention is just for helping to set forth the present invention.Preferred embodiment does not have all details of detailed descriptionthe, and also not limiting this invention is only described embodiment.Obviously,, according to the content of this specification, can make many modifications and variations.These embodiment are chosen and specifically described to this specification, is in order to explain better principle of the present invention and practical application, thereby under making, technical field technical staff can utilize the present invention well.The present invention is only subject to the restriction of claims and four corner and equivalent.Disclosed is above only several specific embodiments of the application, but the application is not limited thereto, and the changes that any person skilled in the art can think of, all should drop in the application's protection range.
Claims (8)
1. be applicable to a broadband LTE antenna of notebook and Tablet, comprise pcb board and be arranged at the antenna part of its top, pcb board is divided into metallic region and non-metallic regions; It is characterized in that, described antenna part is arranged in non-metallic regions, and described antenna part comprises the parasitic arm of low frequency and the parasitic arm of high frequency, and the long limit that the parasitic arm of described low frequency and the parasitic arm of high frequency are parallel to pcb board arranges;
Described antenna part comprises feed branch and feed, and described feed branch is divided into feed branch one and feed branch two, the setting vertical with feed branch two of described feed branch one, and described feed branch one is made into integration with feed branch two; Described feed is arranged between described pcb board and feed branch two;
Described antenna part also comprises via hole, and described via hole is perpendicular to described feed branch;
Described antenna part also comprises U-shaped structure, and described U-shaped structure further comprises the first branch, the second branch and the 3rd branch; Described U-shaped structure is connected with described feed branch by described via hole.
2. a kind of broadband LTE antenna that is applicable to notebook and Tablet as claimed in claim 1, it is characterized in that, the parasitic arm of described low frequency and the parasitic arm of high frequency are arranged at the outer edge part of non-metallic regions, the parasitic arm of described low frequency and the parasitic arm of high frequency all with pcb board UNICOM, and be not communicated with mutually at the other end.
3. a kind of broadband LTE antenna that is applicable to notebook and Tablet as claimed in claim 1, is characterized in that, described feed branch one is U-shaped, and described feed branch two is bending type.
4. a kind of broadband LTE antenna that is applicable to notebook and Tablet as claimed in claim 1, is characterized in that, on the parasitic arm of described low frequency, includes extra branch.
5. a kind of broadband LTE antenna that is applicable to notebook and Tablet as claimed in claim 1, is characterized in that, the parasitic arm of the parasitic arm of described low frequency and described high frequency is respectively bending type; The first branch, the second branch and the 3rd branch of described U-shaped structure are respectively bending type.
6. a kind of broadband LTE antenna that is applicable to notebook and Tablet as claimed in claim 1, it is characterized in that, the parasitic arm of described low frequency comprises the parasitic arm of the first low frequency, the parasitic arm of the second low frequency and the parasitic arm of the 3rd low frequency, the parasitic arm of described the first low frequency is perpendicular to the parasitic arm of described the second low frequency, the parasitic arm of described the second low frequency is perpendicular to the parasitic arm of described the 3rd low frequency, and the parasitic arm of described the second low frequency connects the parasitic arm of the first low frequency and the parasitic arm of the second low frequency.
7. a kind of broadband LTE antenna that is applicable to notebook and Tablet as claimed in claim 6, is characterized in that, also comprises the first feed branch and the second feed branch; Described the first feed branch further comprises the first feed branch one and the first feed branch two; Described the second feed branch further comprises the second feed branch one, the second feed branch two, the second feed branch three and the second feed branch four; Described the second feed branch one is perpendicular to the first feed branch one and the second feed branch two; Described the second feed branch one, the second feed branch two, the second feed branch three join end to end with the second feed branch four and are connected with described the first feed branch one; Described the second feed branch two, the second feed branch three and the second feed branch four are at same plane, and described the first feed branch one and the first feed branch two are at same plane; The parasitic arm of described the first feed branch and described high frequency forms high-frequency resonant loop; The parasitic arm of described the second feed branch and described low frequency forms low-frequency resonant loop.
8. a kind of broadband LTE antenna that is applicable to notebook and Tablet as claimed in claim 7, it is characterized in that, also comprise U-shaped structure, described U-shaped structure further comprises U-shaped branch one, U-shaped branch two, U-shaped branch three, U-shaped branch four, U-shaped branch five, U-shaped branch six and U-shaped branch seven; U-shaped branch one is perpendicular to described the first feed branch one and U-shaped branch two; U-shaped branch one, U-shaped branch two, U-shaped branch three, U-shaped branch four, U-shaped branch five, U-shaped branch six and U-shaped branch seven join end to end; Described U-shaped branch seven is connected in the tail end of described U-shaped branch three; Described U-shaped branch five is perpendicular to described U-shaped branch four and U-shaped branch six; Described U-shaped branch two, U-shaped branch three, U-shaped branch four and U-shaped branch seven are at same plane; The second resonance of described U-shaped structure generation low frequency.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210413118.8A CN102956957B (en) | 2012-10-25 | 2012-10-25 | Broadband LTE (Long Term Evolution) antenna suitable for notebook computer and Tablet |
| PCT/CN2013/079272 WO2014063503A1 (en) | 2012-10-25 | 2013-07-12 | Broadband lte antenna suitable for notebook computer or tablet computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210413118.8A CN102956957B (en) | 2012-10-25 | 2012-10-25 | Broadband LTE (Long Term Evolution) antenna suitable for notebook computer and Tablet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102956957A CN102956957A (en) | 2013-03-06 |
| CN102956957B true CN102956957B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210413118.8A Active CN102956957B (en) | 2012-10-25 | 2012-10-25 | Broadband LTE (Long Term Evolution) antenna suitable for notebook computer and Tablet |
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| Country | Link |
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| CN (1) | CN102956957B (en) |
| WO (1) | WO2014063503A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102956957B (en) * | 2012-10-25 | 2014-09-03 | 上海安费诺永亿通讯电子有限公司 | Broadband LTE (Long Term Evolution) antenna suitable for notebook computer and Tablet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201797039U (en) * | 2010-07-23 | 2011-04-13 | 百慕大商泰科资讯科技有限公司 | Long term evolution (LTE) antenna |
| CN102683822A (en) * | 2012-05-07 | 2012-09-19 | 中兴通讯股份有限公司南京分公司 | Antenna and terminal |
| CN102723585A (en) * | 2012-05-31 | 2012-10-10 | 中兴通讯股份有限公司 | Loop coupling wideband antenna structure and implementation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE514515C2 (en) * | 1999-08-11 | 2001-03-05 | Allgon Ab | Compact multi-band antenna |
| JP3492576B2 (en) * | 1999-12-27 | 2004-02-03 | 三菱電機株式会社 | Multi-frequency array antenna |
| CN201601223U (en) * | 2009-11-02 | 2010-10-06 | 上海无线通信研究中心 | Small-sized dual-band omni-directional microstrip antenna |
| CN202058854U (en) * | 2010-12-08 | 2011-11-30 | 上海安费诺永亿通讯电子有限公司 | MIMO antenna structure realizing multi-frequency high isolation |
| CN102394348B (en) * | 2011-07-08 | 2014-01-29 | 上海安费诺永亿通讯电子有限公司 | Multi-frequency-range cell phone MIMO (Multiple Input Multiple Output) antenna structure applicable to LTE (Long Term Evolution) standard |
| CN102956957B (en) * | 2012-10-25 | 2014-09-03 | 上海安费诺永亿通讯电子有限公司 | Broadband LTE (Long Term Evolution) antenna suitable for notebook computer and Tablet |
-
2012
- 2012-10-25 CN CN201210413118.8A patent/CN102956957B/en active Active
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2013
- 2013-07-12 WO PCT/CN2013/079272 patent/WO2014063503A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201797039U (en) * | 2010-07-23 | 2011-04-13 | 百慕大商泰科资讯科技有限公司 | Long term evolution (LTE) antenna |
| CN102683822A (en) * | 2012-05-07 | 2012-09-19 | 中兴通讯股份有限公司南京分公司 | Antenna and terminal |
| CN102723585A (en) * | 2012-05-31 | 2012-10-10 | 中兴通讯股份有限公司 | Loop coupling wideband antenna structure and implementation method thereof |
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| Publication number | Publication date |
|---|---|
| WO2014063503A1 (en) | 2014-05-01 |
| CN102956957A (en) | 2013-03-06 |
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