CN103811850B - Communicator - Google Patents
Communicator Download PDFInfo
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- CN103811850B CN103811850B CN201210452711.3A CN201210452711A CN103811850B CN 103811850 B CN103811850 B CN 103811850B CN 201210452711 A CN201210452711 A CN 201210452711A CN 103811850 B CN103811850 B CN 103811850B
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- radiation
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- antenna element
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Abstract
A kind of communicator includes an earth element and an antenna element.The contiguous earth element of antenna element.Antenna element includes one first Department of Radiation and one second Department of Radiation.First Department of Radiation includes a Part I and a Part II.Part I is coupled to Part II via an inductance element.Part I is coupled to a signal source.Part II includes multiple bending structure so that form a coupling space between an opening and the Part I of Part II.Second Department of Radiation has a short-circuit end and an opening.The short-circuit end of the second Department of Radiation is coupled to earth element.Second Department of Radiation at least partly surrounds the first Department of Radiation and extends.The wideband operation of the antenna element in the communicator of the present invention can't cause that the overall dimensions of this antenna element increases.It addition, in operational frequency bands, this antenna element can maintain high radiation efficiency.
Description
Technical field
The present invention relates to a kind of communicator, particularly relate to a kind of communicator including wide frequency antenna element.
Background technology
Flourish along with radio communication, wireless communication technology miscellaneous and product are constantly weeded out the old and bring forth the new, wherein again with action communication device for the most popular communication products.Communicator demand is compact in action and while multifunction, the space that can hold antenna increasingly reduces relatively.How in action in the limited Antenna Design space of communicator, playing maximally effective utilization is a critically important problem.
Particularly radio wide area network (the WWAN needed for current action communication device, and long-term evolution (LTE WirelessWideAreaNetwork), LongTermEvolution) in system operation, antenna element needs under the size of miniaturization, reaching the operation of double; two wideband, antenna designers is a difficult challenges by this.
Therefore, it is necessary to design a kind of new communicator and antenna element thereof, this antenna element operates at least two wideband frequency band.This antenna element not only has the size of miniaturization, also has simple designs structure and high radiation efficiency, can be used for containing the multi-band operation of WWAN/LTE.
Summary of the invention
It is an object of the invention to provide a kind of communicator, it includes a wide frequency antenna element.It should be noted that the wideband operation of this antenna element can't cause that the overall dimensions of this antenna element increases.It addition, in operational frequency bands, this antenna element can maintain high radiation efficiency.
In a preferred embodiment, the present invention provides a kind of communicator, including: an earth element；And an antenna element, this earth element contiguous, wherein this antenna element includes: one first Department of Radiation, including a Part I and a Part II, wherein this Part I is coupled to this Part II via an inductance element, this Part I is coupled to a signal source, and this Part II includes multiple bending structure so that form a coupling space between an opening and this Part I of this Part II；And one second Department of Radiation, wherein this second Department of Radiation has a short-circuit end and an opening, and this short-circuit end is coupled to this earth element, and this second Department of Radiation generally at least partially extends around this first Department of Radiation.
In certain embodiments, this antenna element of this communicator is operable in WWAN/LTE (WirelessWideAreaNetwork/LongTermEvolution) frequency band.This first Department of Radiation is in order to produce to be positioned at a resonance mode of about 850MHz.But, when the overall dimensions of this antenna element reduces, this resonance mode of this first Department of Radiation generally cannot contain a required low-frequency band.In certain embodiments, the plurality of bending part of this Part II of this first Department of Radiation can produce an equivalent inductance value, and this coupling space between this Part II of this first Department of Radiation and this Part I can produce an equivalent capacitance value.Because of this equivalent inductance value and this equivalent capacitance value, can produce to connect resonance in the lump near this low-frequency band of this antenna element.This design makes this antenna element increase by an extra resonance mode in this low-frequency band, thus reaching the wideband operation of low-frequency band.
It should be noted that this Part II of this first Department of Radiation is positioned at the inside of this antenna element, and this opening of this Part II is located substantially between this Part I and this earth element, thus without the overall dimensions increasing this antenna element.
In certain embodiments, this Part II is via an inductance element (such as: a chip inductor) and this Part I coupled in series.When this antenna element operates in a high frequency band, a high impedance value of this inductance element can be considered an open circuit (OpenCircuit) so that this Part II is without influence on the high-frequency operation of this antenna element.
In certain embodiments, the plurality of bending structure of this Part II of this first Department of Radiation makes this Part II include one first section, one second section and one the 3rd section, wherein almost parallel 3rd section of this first section, this second section is approximately perpendicular to this first section and the 3rd section.
In certain embodiments, when this antenna element operates in a high frequency band, this second Department of Radiation can produce a high order resonance mode, and this Part I of this first Department of Radiation can produce a resonance mode.This two resonance mode can be close to each other, to form a wideband frequency band (in general, the frequency range of this wideband frequency band can more than 1GHz).This antenna element of the present invention when its overall dimensions reduces, can contain at least double; two wideband frequency band.In a preferred embodiment, this antenna element of the present invention is suitably applied the multi-band operation of WWAN/LTE, and can keep high radiation efficiency in aforesaid operations frequency band.
Accompanying drawing explanation
Fig. 1 is the schematic diagram showing communicator described according to a first embodiment of the present invention；
Fig. 2 is the return loss figure of the antenna element showing communicator described according to a first embodiment of the present invention；
Fig. 3 is the antenna efficiency figure of the antenna element showing communicator described according to a first embodiment of the present invention；
Fig. 4 is the schematic diagram showing communicator described according to a second embodiment of the present invention；
Fig. 5 is the schematic diagram showing communicator described according to a third embodiment of the present invention；
Fig. 6 is the schematic diagram showing communicator described according to a fourth embodiment of the present invention.
[Main Reference Numerals explanation]
100,400,500,600～communicator；
10～earth element；
One edge of 101～earth element；
11～signal source；
12,42,52,62～antenna element；
13,63～the first Department of Radiation；
131, the Part I of 631～the first Departments of Radiation；
1312, the section of the Part I of 6312～the first Departments of Radiation；
132, the Part II of 632～the first Departments of Radiation；
1321, the first section of the Part II of 6321～the first Departments of Radiation；
1322, the second section of the Part II of 6322～the first Departments of Radiation；
1323, the 3rd section of the Part II of 6323～the first Departments of Radiation；
133, the opening of 633～Part II；
14,64～inductance element；
15,65～coupling space；
16,46,56,66～the second Department of Radiation；
161, the short-circuit end of 461,561,661～the second Departments of Radiation；
162, the opening of 462,562,662～the second Departments of Radiation；
21～the first frequency bands；
22～the second frequency bands；
31,32～antenna efficiency curve.
Detailed description of the invention
For the above and other purpose of the present invention, feature and advantage can be become apparent, cited below particularly go out specific embodiments of the invention, and coordinate appended accompanying drawing, be described in detail below.
Fig. 1 is the schematic diagram showing communicator 100 described according to a first embodiment of the present invention.Communicator 100 can be a mobile phone, a panel computer, or a notebook computer.In the first embodiment, communicator 100 includes earth element 10 and an antenna element 12.The contiguous earth element 10 of antenna element 12.Antenna element 12 includes one first Department of Radiation 13 and one second Department of Radiation 16.First Department of Radiation 13 includes Part I 131 and a Part II 132, and wherein Part I 131 is via inductance element 14 coupled in series to Part II 132.In certain embodiments, inductance element 14 can be a chip inductor.One end of Part I 131 is coupled to a signal source 11.Part II 132 includes multiple bending structure so that form a coupling space 15 between an opening 133 and the Part I 131 of Part II 132.In more detail, the plurality of bending structure of Part II 132 makes Part II 132 include one first section 1321,1 second section 1322, and one the 3rd section 1323, wherein the first almost parallel 3rd section 1323 of section 1321, the second section 1322 is approximately perpendicular to the first section 1321 and the 3rd section 1323.Second Department of Radiation 16 has short-circuit end 161 and an opening 162.The short-circuit end 161 of the second Department of Radiation 16 is coupled to earth element 10.Second Department of Radiation 16 at least partly surrounds the first Department of Radiation 13 and extends.Part I 131 includes at least one bending structure so that at least one section 1312 of Part I 131 is roughly parallel to an edge 101 of earth element 10.Part I 131 can a substantially inverted L-shaped, and Part II 132 can a substantially reversed J shape.The opening 133 of Part II 132 is located substantially between Part I 131 and earth element 10.In a preferred embodiment, the length of Part II 132 is more than 0.5 times of length of Part I 131, to provide enough inductance value.The length of the second Department of Radiation 16 is more than the length of Part I 131 so that the second Department of Radiation 16 and Part I 131 produce a fundamental resonance mode respectively.This two fundamental resonance mode lays respectively at low-frequency band and the high frequency band of antenna element 12, therefore antenna element 12 can reach WWAN/LTE dual frequency operation.It should be noted that communicator 100 more can include other necessary elements, for instance: a processor, a contact panel, a battery, and a shell (not shown).
Fig. 2 is return loss (ReturnLoss) figure of the antenna element 12 showing communicator 100 described according to a first embodiment of the present invention.In certain embodiments, the component size of communicator 100 and component parameters are as what follows.The length of earth element 10 is about 115mm, and width is about 60mm.An antenna element 12 substantially planar structure.The length of antenna element 12 is about 30mm, and width is about 12mm.The length of the second Department of Radiation 16 is about 56mm.The length of the Part II 132 of the first Department of Radiation 13 is about 29mm.Inductance element 14 is a chip inductor, and its inductance value is about 15nH.Returning under the definition of loss (action communication device Antenna Design specification) at 6dB, antenna element 12 is operable at least one first frequency band 21 and one second frequency band 22.In a preferred embodiment, first frequency band 21 is a wideband frequency band, it at least contains GSM850/900 frequency band (about between 824MHz to 960MHz), and the second frequency band 22 is also a wideband frequency band, it at least contains GSM1800/1900/UMTS/LTE2300/2500 frequency band (about between 1710MHz to 2690MHz).Therefore, the antenna element 12 of the present invention can meet WWAN/LTE multi-band operation demand.It should be noted that above-described component size, component parameters and all non-restrictive condition for the present invention of frequency band range.Designer can according to different demands to this component size, component parameters, and frequency band range is adjusted.
Fig. 3 is the antenna efficiency figure of the antenna element 12 showing communicator 100 described according to a first embodiment of the present invention.Antenna efficiency curve 31 representative antennas element 12 operates in antenna efficiency during GSM850/900 frequency band (about between 824MHz to 960MHz), and antenna efficiency when antenna efficiency curve 32 representative antennas element 12 operates in GSM1800/1900/UMTS/LTE2300/2500 frequency band (about between 1710MHz to 2690MHz).As it is shown on figure 3, antenna element 12 operates in all good antenna efficiency (radiation efficiency S parameter accounted for) in WWAN/LTE frequency band.In a preferred embodiment, this antenna efficiency, at least above about 65%, can meet practical application request.
Fig. 4 is the schematic diagram showing communicator 400 described according to a second embodiment of the present invention.Second embodiment is similar to first embodiment, and both Main Differences are in that, one second Department of Radiation 46 of an antenna element 42 of communicator 400 extends and substantially surrounds the first Department of Radiation 13.All the other features of the communicator 400 of the second embodiment are all identical with first embodiment, and therefore the communicator 400 of the second embodiment almost can have identical operating effect with first embodiment.
Fig. 5 is the schematic diagram showing communicator 500 described according to a third embodiment of the present invention.3rd embodiment is similar to first embodiment, and both Main Differences are in that, short-circuit end 561 nearby sources 11 of one second Department of Radiation 56 of an antenna element 52 of communicator 500.Second Department of Radiation 56 extends generally about the first Department of Radiation 13.All the other features of the communicator 500 of the 3rd embodiment are all identical with first embodiment, and therefore the communicator 500 of the 3rd embodiment almost can have identical operating effect with first embodiment.
Fig. 6 is the schematic diagram showing communicator 600 described according to a fourth embodiment of the present invention.4th embodiment is similar to first embodiment, and both Main Differences are in that, a Part II 632 of one first Department of Radiation 63 of an antenna element 62 of communicator 600 has more (such as: 6) bending structure to increase by an equivalent inductance value.Part II 632 can a substantially W shape.The plurality of bending structure of Part II 632 makes Part II 632 include one first section 6321,1 second section 6322 and one the 3rd section 6323, wherein the first almost parallel 3rd section 6323 of section 6321, the second section 6322 is approximately perpendicular to the first section 6321 and the 3rd section 6323.A coupling space 65 between Part II 632 and the Part I 631 of the first Department of Radiation 63 can produce an equivalent capacitance value.Because of this equivalent inductance value and this equivalent capacitance value, antenna element 62 can produce to connect in the lump resonance near a low-frequency band.This design makes antenna element 62 increase by an extra resonance mode in this low-frequency band, thus reaching the wideband operation of this low-frequency band.All the other features of the communicator 600 of the 4th embodiment are all identical with first embodiment, and therefore the communicator 600 of the 4th embodiment almost can have identical operating effect with first embodiment.
Ordinal number in this specification and claim, for instance " first ", " second ", " the 3rd " etc., does not have precedence relationship sequentially each other, and it is only for indicating two different elements with same name of differentiation.
Though the present invention is with preferred embodiment openly as above; so it is not limited to the scope of the present invention; any those of ordinary skill in the art; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention ought be as the criterion depending on the scope that appended claim defines.
Claims (8)
1. a communicator, including:
One earth element；And
One antenna element, this earth element contiguous, wherein this antenna element includes:
One first Department of Radiation, including a Part I and a Part II, wherein this Part I is coupled to this Part II via an inductance element, this Part I is coupled to a signal source, and this Part II includes multiple bending structure so that form a coupling space between an opening and this Part I of this Part II；And
One second Department of Radiation, wherein this second Department of Radiation has a short-circuit end and an opening, and this short-circuit end is coupled to this earth element, and this second Department of Radiation generally at least partially extends around this first Department of Radiation；
Wherein the plurality of bending structure of this Part II of this first Department of Radiation produces an equivalent inductance value, this coupling space between this Part II and this Part I of this first Department of Radiation produces an equivalent capacitance value, and this equivalent inductance value and this equivalent capacitance value make this antenna element produce to connect in the lump resonance near a low-frequency band；
Wherein the length of this second Department of Radiation is more than the length of this Part I.
2. communicator as claimed in claim 1, wherein this Part I of this first Department of Radiation includes at least one bending structure so that at least one section of this Part I is roughly parallel to an edge of this earth element.
3. communicator as claimed in claim 1, wherein this Part I substantially inverted L-shaped.
4. communicator as claimed in claim 1, wherein this opening of this Part II of this first Department of Radiation is located substantially between this Part I of this first Department of Radiation and this earth element.
5. communicator as claimed in claim 1, wherein the length of this Part II is more than 0.5 times of length of this Part I.
6. communicator as claimed in claim 1, wherein this short-circuit end of this second Department of Radiation this signal source contiguous.
7. communicator as claimed in claim 1, wherein this Part II substantially W shape.
8. communicator as claimed in claim 1, wherein the plurality of bending structure of this Part II of this first Department of Radiation makes this Part II include one first section, one second section and one the 3rd section, wherein almost parallel 3rd section of this first section, this second section is approximately perpendicular to this first section and the 3rd section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452711.3A CN103811850B (en) | 2012-11-13 | 2012-11-13 | Communicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452711.3A CN103811850B (en) | 2012-11-13 | 2012-11-13 | Communicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103811850A CN103811850A (en) | 2014-05-21 |
| CN103811850B true CN103811850B (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210452711.3A Active CN103811850B (en) | 2012-11-13 | 2012-11-13 | Communicator |
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| Country | Link |
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| CN (1) | CN103811850B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159442A (en) * | 2015-03-26 | 2016-11-23 | 邱宏献 | Many support arms trap antenna |
| CN107026314B (en) * | 2016-01-29 | 2020-02-07 | 北京小米移动软件有限公司 | Antenna of mobile terminal |
| CN108123209B (en) * | 2016-11-29 | 2020-04-07 | 宏碁股份有限公司 | Mobile device |
| CN107611584A (en) * | 2017-09-06 | 2018-01-19 | 合肥庆响网络科技有限公司 | Communication equipment antenna and its communication apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1345282A1 (en) * | 2002-03-14 | 2003-09-17 | Sony Ericsson Mobile Communications AB | Multiband planar built-in radio antenna with inverted-l main and parasitic radiators |
| TW200820489A (en) * | 2006-10-25 | 2008-05-01 | Yageo Corp | Dual-band antenna |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140066264A (en) * | 2006-11-16 | 2014-05-30 | 갈트로닉스 코포레이션 리미티드 | Compact antenna |
| JP4389275B2 (en) * | 2007-08-24 | 2009-12-24 | 株式会社村田製作所 | ANTENNA DEVICE AND RADIO COMMUNICATION DEVICE |
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2012
- 2012-11-13 CN CN201210452711.3A patent/CN103811850B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1345282A1 (en) * | 2002-03-14 | 2003-09-17 | Sony Ericsson Mobile Communications AB | Multiband planar built-in radio antenna with inverted-l main and parasitic radiators |
| TW200820489A (en) * | 2006-10-25 | 2008-05-01 | Yageo Corp | Dual-band antenna |
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| CN103811850A (en) | 2014-05-21 |
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