CN103825080B - A kind of novel wide-band LTE antenna being applicable to mobile terminal - Google Patents
A kind of novel wide-band LTE antenna being applicable to mobile terminal Download PDFInfo
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- CN103825080B CN103825080B CN201410071015.7A CN201410071015A CN103825080B CN 103825080 B CN103825080 B CN 103825080B CN 201410071015 A CN201410071015 A CN 201410071015A CN 103825080 B CN103825080 B CN 103825080B
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- radiant body
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- mobile terminal
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- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
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Abstract
The present invention relates to a kind of novel wide-band LTE antenna being applicable to mobile terminal, wherein distributing point is positioned at the centre position of clearance zone；First short dot and the second short dot are positioned at the both sides of distributing point, and the 3rd short dot and distributing point are positioned at the both sides of the first short dot；First radiant body and the second radiant body are " E " type structural radiation body of two symmetries, and first one end of radiant body be connected with one end of the second radiant body, the other end of the first radiant body is connected with distributing point, and the other end of the second radiant body and the first short dot are connected, and constitute the radiating principal of antenna；High-frequency coupling body and the second short dot produce wide band LTE high frequency after being connected and coupling with the first radiant body；Low frequency coupling body and the 3rd short dot produce wide band LTE low frequency after being connected and coupling with described second radiant body.The present invention can meet the broadband LTE antenna realizing LTE full frequency band coverage on mobile terminals, has wide practical use in LTE mobile terminal system.
Description
Technical field
The present invention relates to a kind of antenna, particularly relate to a kind of novel wide-band LTE being applicable to mobile terminal
(Long Term Evolution) antenna.
Background technology
Along with the requirement of mobile terminal is the most more come by mobile communications network development in recent years, people
The highest.The simplest voice communication and note can not meet the daily demand of people, with
The massive dataflow business etc. such as multimedia, game on line, video request program and mobile TV have also been obtained fast
Hailing exhibition, this is accomplished by mobile terminal increasing function, the same sky being also required to mobile terminal
Line can cover abundant frequency and meet this multi-functional demand.
The communication terminal frequency range of current main-stream is GSM850, GSM900, DCS1800, PCS1900,
WCDMA2100, the frequency range of covering is low frequency 824MHz to 960MHz, and high frequency 1710MHz arrives
2170MHz.But along with the development of LTE (Long Term Evolution), low-frequency range LTE700MHz
(700MHz to 824MHz) and high band LTE1500MHz (1420MHz to 1510MHz),
LTE2.3GHz (2.3GHz to 2.5GHz) and LTE2.5GHz (2.5GHz to 2.7GHz) is the most gradually
It is employed.In the face of the wide band demand of this LTE, mobile terminal of today realize the widest
Frequency coverage, traditional monopole antenna and PIFA antenna cannot meet this demand, therefore
Develop a kind of LTE of disclosure satisfy that broadband demand and be applicable to novel wide-band LTE days of mobile terminal
Line is the problem that industry need solve.
Summary of the invention
It is an object of the invention to provide a kind of novel wide-band LTE antenna being applicable to mobile terminal, energy
Enough meet the LTE demand of all frequency ranges.
To achieve these goals, a kind of novel wide-band LTE antenna being applicable to mobile terminal, including
Pcb board and antenna part, described pcb board includes clearance zone and non-clearance zone, on described non-clearance zone
It is covered with metal cladding；Described antenna part is positioned at above the plane at described pcb board place；
Described antenna part includes distributing point, the first short dot, the second short dot, the 3rd short dot, height
Frequently coupling body, low frequency coupling body, the first radiant body and the second radiant body；
Described distributing point is positioned at the centre position of described clearance zone；Described first short dot and described second
Short dot is positioned at the both sides of described distributing point, and described 3rd short dot and described distributing point are positioned at described
The both sides of one short dot；
Described first radiant body and " E " type structural radiation body that described second radiant body is two symmetries, and institute
One end of one end and described second radiant body of stating the first radiant body is connected, another of described first radiant body
End is connected with described distributing point, and the other end of described second radiant body is connected with described first short dot, structure
Become the radiating principal of antenna；
Described high-frequency coupling body produces after being connected with described second short dot and coupling with described first radiant body
Raw wide band LTE high frequency；Described low frequency coupling body is connected with described 3rd short dot and with described
Wide band LTE low frequency is produced after two radiant body couplings；
The radiating principal of described high-frequency coupling body, described low frequency coupling body and described antenna the most at least one
Part is positioned at described clearance zone.
It is preferred that described first radiant body and the second radiant body all include the first radiation branch, second
Radiation branch and the 3rd radiation branch, three radiation in described first radiant body and the second radiant body
In width between road, described first radiant body in the length of the second radiation branch and described second radiant body
The length of the second radiation branch is the most adjustable.
It is preferred that described antenna part is 5 millimeters to 10 millimeters to the ultimate range of described pcb board.
It is preferred that the width of described clearance zone is 6-7 millimeter.
It is preferred that the described non-headroom head of district 112 millimeters, wide 60 millimeters, the described headroom head of district 60 millimeters,
Wide 8 millimeters, the described long limit of non-empty regions is parallel to the broadside of described pcb board.
It is preferred that described first short dot and described second short dot are each apart from described distributing point 2-4
Millimeter.
It is preferred that described first short dot and described second short dot are each apart from described distributing point 3 milli
Rice.
It is preferred that described first radiant body and described second radiant body are all in described in same being perpendicular to
Pcb board and being parallel in the plane on long limit of described clearance zone.
It is preferred that the plane at the first radiant body and the second radiant body place for be perpendicular to described clearance zone and away from
Plane from described non-clearance zone maximum distance.
It is preferred that its high frequency cover width is 1420MHz to 2700MHz, low frequency cover width is
700MHz to 960MHz.
Due to the fact that the above technical scheme of employing, compared with prior art, have the following advantages that and amass
Pole effect:
First radiant body produces the high band resonances of LTE, produces multiple frequency with high-frequency coupling body after coupling
Resonance, forms wide band LTE high frequency, and frequency coverage is 1.42GHz to 2.7GHz, the second spoke
Beam produces the low band resonance of LTE, produces multiple frequency resonance with low frequency coupling body after coupling, and is formed
Wide band LTE low frequency, frequency coverage is 700MHz to 960MHz, thus can make wideband
Meet the coverage requirement of the full frequency band of LTE with LTE antenna, and broadband LTE antenna is at full range
Average efficiency in Duan has reached 50%.Therefore, the present invention has and disclosure satisfy that LTE full frequency band covers
And the feature of excellent performance.
Accompanying drawing explanation
Fig. 1 is the structure of a kind of novel wide-band LTE antenna being applicable to mobile terminal in the embodiment of the present invention
Schematic diagram；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the side view of Fig. 1；
Fig. 4 is the top view of Fig. 1；
Fig. 5 is the upward view of Fig. 1；
Fig. 6 is the covering of a kind of novel wide-band LTE antenna being applicable to mobile terminal in the embodiment of the present invention
Loss figure；
Fig. 7 is the freedom of a kind of novel wide-band LTE antenna being applicable to mobile terminal in the embodiment of the present invention
Space radiation efficiency chart.
Detailed description of the invention
The present invention is further illustrated with reference to the accompanying drawings with specific embodiment.
As shown in accompanying drawing 1-5, a kind of novel wide-band LTE being applicable to mobile terminal that the present invention provides
Antenna, including pcb board and the antenna part of mobile terminal, wherein pcb board includes that pcb board metal covers
Cover region 1 and pcb board clearance zone 2, the pcb board metal area of coverage 1 is non-clearance zone, and clearance zone is PCB
On plate around antenna and antennas orthogonal in the perspective plane of PCB without any device and the region of Metal Distribution,
Non-clearance zone refers to be unsatisfactory on pcb board the region of clearance zone definition.
In the present embodiment, the ultimate range of antenna part to pcb board is 5 millimeters to 10 millimeters, non-headroom
The head of district 112 millimeters, wide 60 millimeters, the headroom head of district 60 millimeters, wide 8 millimeters, the long limit of non-empty regions
It is parallel to the broadside of pcb board.The width of pcb board clearance zone is the most feasible when being 6-7 millimeter, but antenna
Performance can decline.
Antenna part is positioned at above the plane at pcb board place, and antenna part includes that distributing point 21, first is short
Waypoint the 22, second short dot the 23, the 3rd short dot 24, high-frequency coupling body 33, low frequency coupling body 34,
First radiant body 31 and the second radiant body 32.
First radiant body the 31, second radiant body 32, high-frequency coupling body 33 and low frequency coupling body 34 are both needed to
Will be at the nonmetal area of coverage of pcb board 2 or be projected in the nonmetal area of coverage of PCB 2.
First short dot the 22, second short dot 23 and the 3rd short dot 24 all cover with pcb board metal
District 1 connects, and distributing point 21 is connected with the signal output part of circuit on the pcb board metal area of coverage 1.Feed
Point 21 is positioned at the centre position of pcb board clearance zone 2；First short dot 22 and the second short dot 23
Be positioned at the both sides of distributing point 21, in the present embodiment, the first short dot 22 and the second short circuit 23 each away from
3 millimeters from distributing point, and the first short dot 22 and second short dot 23 each distance distributing point 2-4
During millimeter, it is also possible to realize.3rd short dot 24 and distributing point 21 are positioned at the two of the first short dot 22
Side.
First radiant body 31 and " E " type structural radiation body that the second radiant body 32 is two symmetries, the first spoke
Beam 31 and the second radiant body 32 all include the first radiation branch, the second radiation branch and the 3rd
Radiation branch, and the first radiation of the first radiation branch of the first radiant body 31 and the second radiant body 32
Road is connected, and the 3rd radiation branch of the first radiant body 31 connects distributing point 21, the of the second radiant body 32
Three radiation branch connect the first short dot 22.Three spokes in first radiant body 31 and the second radiant body 32
Penetrate length and second radiant body of the second radiation branch 41 of the width between branch road, the first radiant body 31
The length of second radiation branch 42 of 32 is adjustable.
And first one end of radiant body 31 be connected with one end of the second radiant body 32, and be all in same hanging down
Straight in pcb board and be parallel in the plane on long limit of pcb board clearance zone 2, in the present embodiment, first
The plane at radiant body 31 and the second radiant body 32 place is for being perpendicular on pcb board clearance zone 2 and distance PCB
The plane of the metal area of coverage 1 maximum distance.One end of first radiant body 31 is connected with distributing point 21, the
One end of two radiant bodies 32 is connected with the first short dot 22, constitutes the radiating principal of antenna, at least portion
Radiating principal is divided to be positioned at pcb board clearance zone 2.
In some examples, antenna further comprises the match circuit for optimizing antenna, and match circuit includes point
The distributing point circuit that do not mates with antenna feed point, the first short dot, the second short dot and the 3rd short dot,
First short dot circuit, the second short dot circuit and the 3rd short dot circuit.Match circuit can be further
Increase frequency bandwidth and the antenna efficiency of described LTE antenna, thus reach to promote described LTE antenna
The purpose of energy.
First radiant body produces the high band resonances of LTE, produces multiple frequency with high-frequency coupling body after coupling
Resonance, forms wide band LTE high frequency, and the second radiant body produces the low band resonance of LTE, with low frequency
Produce multiple frequency resonance after coupling body coupling, form wide band LTE low frequency.
In the present embodiment, one end of high-frequency coupling body 33 is connected with the second short dot 23, high-frequency coupling body
The other end of 33 is to be parallel to the plane at the first radiant body 31 place and to prolong to the direction away from distributing point 21
Stretch, high-frequency coupling body 33 at least most of or be all in the nonmetal area of coverage of PCB 2, permissible
By changing the length of high-frequency coupling body 33, width and the area of coverage nonmetal with pcb board 2 and the first spoke
The distance of beam 31 regulates width and the degree of depth of high-frequency coupling resonance, so that being applicable to LTE broadband
The high frequency cover width of the antenna required is 1420MHz to 2700MHz, and HFS can reach
The efficiency of 50%.
In the present embodiment, one end of low frequency coupling body 34 is connected with the 3rd short dot 24, low frequency coupling body
The other end of 34 is to be parallel to the plane at the second radiant body 32 place and to point to the direction of the first radiant body 31
Upper extension, low frequency coupling body 34 is at least most of or is all in the nonmetal area of coverage of PCB 2, can
With by changing the length of low frequency coupling body 34, width and the area of coverage nonmetal with pcb board 2 and second
The distance of radiant body 32 changes width and the degree of depth of low frequency coupled resonance, so that being applicable to LTE wideband
The low frequency cover width of the antenna that band requires is 700MHz to 960MHz, and low frequency part can reach
The efficiency of 50%.
Therefore, as shown in fig. 6-7, its high frequency cover width of design based on the present embodiment is 1420MHz
To 2700MHz, HFS can reach the efficiency of 50%, and low frequency cover width is that 700MHz arrives
960MHz, low frequency part can reach the efficiency of 50%, it is already possible to meets and realizes on mobile terminals
The broadband LTE antenna of LTE full frequency band coverage, before being widely used in LTE terminal system
Scape.
The disclosed above specific embodiment being only the present invention, this embodiment be only clearer explanation this
Bright used, and not limitation of the invention, the changes that any person skilled in the art can think of, all
Should fall in protection domain.
Claims (9)
1. it is applicable to a novel wide-band LTE antenna for mobile terminal, including pcb board and antenna part
Point, described pcb board includes clearance zone and non-clearance zone, is covered with metal cladding on described non-clearance zone；
Described antenna part is positioned at above the plane at described pcb board place, it is characterised in that wherein:
Described antenna part includes distributing point, the first short dot, the second short dot, the 3rd short dot, height
Frequently coupling body, low frequency coupling body, the first radiant body and the second radiant body；
Described distributing point is positioned at the centre position of described clearance zone；Described first short dot and described second
Short dot is positioned at the both sides of described distributing point, and described 3rd short dot and described distributing point are positioned at described
The both sides of one short dot；
Described first radiant body and " E " type structural radiation body that described second radiant body is two symmetries, and institute
One end of one end and described second radiant body of stating the first radiant body is connected, another of described first radiant body
End is connected with described distributing point, and the other end of described second radiant body is connected with described first short dot, structure
Become the radiating principal of antenna；
Described high-frequency coupling body produces after being connected with described second short dot and coupling with described first radiant body
Raw wide band LTE high frequency；Described low frequency coupling body is connected with described 3rd short dot and with described
Wide band LTE low frequency is produced after two radiant body couplings；
The radiating principal of described high-frequency coupling body, described low frequency coupling body and described antenna the most at least one
Part is positioned at described clearance zone；
Described first radiant body and the second radiant body all include the first radiation branch, the second radiation branch
And the 3rd radiation branch, and the first radiation of the first radiation branch of the first radiant body and the second radiant body
Branch road is connected, and the 3rd radiation branch of the first radiant body connects distributing point, the 3rd radiation of the second radiant body
Branch road connects the first short dot, and the second radiation branch of the first radiant body is located at the first spoke of the first radiant body
Penetrating between branch road and the 3rd radiation branch, the second radiation branch of the second radiant body is located at the second radiant body
" E " type structural radiation body of described two symmetries is formed between first radiation branch and the 3rd radiation branch；Described
In first radiant body and the second radiant body in width between three articles of radiation branch, described first radiant body
In the length of two radiation branch and described second radiant body, the length of the second radiation branch is the most adjustable.
A kind of novel wide-band LTE antenna being applicable to mobile terminal, its
It is characterised by, to ultimate range point and the distance of described pcb board of described pcb board in described antenna part
It it is 5 millimeters to 10 millimeters.
A kind of novel wide-band LTE antenna being applicable to mobile terminal, its
Being characterised by, the width of described clearance zone is 6-7 millimeter.
A kind of novel wide-band LTE antenna being applicable to mobile terminal, its
It is characterised by, the described non-headroom head of district 112 millimeters, wide 60 millimeters, the described headroom head of district 60 millimeters,
Wide 8 millimeters, the long limit of described empty regions is parallel to the broadside of described pcb board.
A kind of novel wide-band LTE antenna being applicable to mobile terminal, its
Being characterised by, described first short dot and described second short dot are each apart from described distributing point 2-4 millimeter.
A kind of novel wide-band LTE antenna being applicable to mobile terminal, its
Being characterised by, described first short dot and described second short dot are each apart from described distributing point 3 millimeters.
A kind of novel wide-band LTE antenna being applicable to mobile terminal, its
Being characterised by, described first radiant body and described second radiant body are all in and same are perpendicular to described PCB
Plate and being parallel in the plane on long limit of described clearance zone.
A kind of novel wide-band LTE antenna being applicable to mobile terminal, its
Being characterised by, the plane at the first radiant body and the second radiant body place is for being perpendicular to described clearance zone and distance
The plane of described non-clearance zone maximum distance.
A kind of novel wide-band LTE antenna being applicable to mobile terminal, its
Being characterised by, its high frequency cover width is 1420MHz to 2700MHz, and low frequency cover width is 700MHz
To 960MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410071015.7A CN103825080B (en) | 2014-02-28 | 2014-02-28 | A kind of novel wide-band LTE antenna being applicable to mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071015.7A CN103825080B (en) | 2014-02-28 | 2014-02-28 | A kind of novel wide-band LTE antenna being applicable to mobile terminal |
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| CN103825080A CN103825080A (en) | 2014-05-28 |
| CN103825080B true CN103825080B (en) | 2016-08-17 |
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| CN201410071015.7A Active CN103825080B (en) | 2014-02-28 | 2014-02-28 | A kind of novel wide-band LTE antenna being applicable to mobile terminal |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039762A (en) * | 2017-05-04 | 2017-08-11 | 禾邦电子(苏州)有限公司 | One kind miniaturization full frequency band high-gain PCB antenna |
| CN109257473A (en) * | 2018-12-03 | 2019-01-22 | 惠州Tcl移动通信有限公司 | display module, display screen and mobile terminal |
| CN113572869A (en) * | 2020-04-29 | 2021-10-29 | 北京小米移动软件有限公司 | Terminal equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202423546U (en) * | 2012-01-13 | 2012-09-05 | 上海安费诺永亿通讯电子有限公司 | Small-sized antenna for mobile terminal |
| CN203071219U (en) * | 2012-12-25 | 2013-07-17 | 上海安费诺永亿通讯电子有限公司 | Broadband LTE (Long Term Evolution) antenna suitable for mobile terminal |
| CN203733929U (en) * | 2014-02-28 | 2014-07-23 | 温州海通通讯电子有限公司 | Novel broadband LTE antenna for mobile terminal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9397399B2 (en) * | 2012-04-20 | 2016-07-19 | Ethertronics, Inc. | Loop antenna with switchable feeding and grounding points |
| CN102856634B (en) * | 2012-09-20 | 2016-02-24 | 上海安费诺永亿通讯电子有限公司 | A kind of Wideband LTE antenna being applicable to notebook or panel computer |
| CN103124002B (en) * | 2012-12-30 | 2015-06-24 | 上海安费诺永亿通讯电子有限公司 | Multiband wide-band antenna for mobile terminal |
-
2014
- 2014-02-28 CN CN201410071015.7A patent/CN103825080B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202423546U (en) * | 2012-01-13 | 2012-09-05 | 上海安费诺永亿通讯电子有限公司 | Small-sized antenna for mobile terminal |
| CN203071219U (en) * | 2012-12-25 | 2013-07-17 | 上海安费诺永亿通讯电子有限公司 | Broadband LTE (Long Term Evolution) antenna suitable for mobile terminal |
| CN203733929U (en) * | 2014-02-28 | 2014-07-23 | 温州海通通讯电子有限公司 | Novel broadband LTE antenna for mobile terminal |
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Denomination of invention: A novel broadband LTE antenna for mobile terminals Effective date of registration: 20201104 Granted publication date: 20160817 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: ZHEJIANG HAITONG COMMUNICATION ELECTRONICS Co.,Ltd. Registration number: Y2020330000886 |