CN103811850A - Communication device - Google Patents
Communication device Download PDFInfo
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- CN103811850A CN103811850A CN201210452711.3A CN201210452711A CN103811850A CN 103811850 A CN103811850 A CN 103811850A CN 201210452711 A CN201210452711 A CN 201210452711A CN 103811850 A CN103811850 A CN 103811850A
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- communicator
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Abstract
A communication device comprises a grounding element and an antenna element. The antenna element is adjacent to the grounding element and comprises a first radiation part and a second radiation part. The first radiation part comprises a first part and a second part. The first part is coupled to the second part through an inductance element and coupled to a signal source. The second part comprises a plurality of bent structures, so that a coupling interval is formed between one open end of the second part and the first part. The second radiation part is provided with a short circuit end and an open end. The short circuit end of the second radiation part is coupled to the grounding element. The second radiation part at least partially surrounds the first radiation part to extend. Broadband operation of the antenna element in the communication device does not cause increase of the overall size of the antenna element. In addition, the antenna element can maintain high radiation efficiency within an operating frequency band.
Description
Technical field
The present invention relates to a kind of communicator, particularly relate to a kind of communicator that comprises 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 take mobile communication device as the most popular communication products.In action when the compact and multifunction of communicator demand, space that can containing antenna relatively more and more reduces.How in action, in the limited Antenna Design space of communicator, it is a very important problem that performance the most effectively utilizes.
Particularly at the current required radio wide area network (WWAN of mobile communication device, WirelessWide Area Network) and long-term evolution (LTE, Long Term Evolution) in system operation, antenna element need to be under the size of miniaturization, the operation of reaching two widebands, this is a difficult challenges for Antenna Design person.
Therefore, be necessary to design a kind of new communicator and antenna element thereof, this antenna element operates at least two wideband frequency bands.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
The object of the present invention is to provide a kind of communicator, it comprises a wide frequency antenna element.Wideband operation that it should be noted that this antenna element can't cause the overall dimensions of this antenna element to increase.In addition, in operational frequency bands, this antenna element can maintain high radiation efficiency.
In a preferred embodiment, the invention provides a kind of communicator, comprising: an earth element; An and antenna element, contiguous this earth element, wherein this antenna element comprises: one first Department of Radiation, comprise 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 comprises multiple bending structures, makes to form a coupling space between an openend of this Part II and this Part I; And one second Department of Radiation, wherein this second Department of Radiation has a short-circuit end and an openend, and this short-circuit end is coupled to this earth element, and this second Department of Radiation roughly extends around this first Department of Radiation at least in part.
In certain embodiments, this antenna element of this communicator can operate in WWAN/LTE (Wireless Wide Area Network/Long Term Evolution) frequency band.This first Department of Radiation is in order to produce a resonance mode that is positioned at about 850MHz.But in the case of the overall dimensions of this antenna element has dwindled, this resonance mode of this first Department of Radiation generally cannot be contained a required low-frequency band.In certain embodiments, described multiple bending parts of this Part II of this first Department of Radiation can produce an equivalent inductance value, and this coupling space between this Part II and this Part I of this first Department of Radiation can produce an equivalent capacitance value.Owing to having had this equivalence inductance value and this equivalent capacitance value, near this low-frequency band of this antenna element, can produce and connect in the lump resonance.This design makes this antenna element in this low-frequency band, increase by an extra resonance mode, thereby reaches 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 openend of this Part II is roughly between this Part I and this earth element, therefore can not increase the overall dimensions of this antenna element.
In certain embodiments, this Part II for example, via an inductance element (: a chip inductor) and this Part I coupled in series.In the time that this antenna element operates in a high frequency band, a high impedance value of this inductance element can be considered an open circuit (Open Circuit), makes this Part II can not affect the high-frequency operation of this antenna element.
In certain embodiments, described multiple bending structures of this Part II of this first Department of Radiation make this Part II comprise one first section, one second section and one the 3rd section, wherein this first section almost parallel the 3rd section, this second section is approximately perpendicular to this first section and the 3rd section.
In certain embodiments, in the time that 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 near each other, to form a wideband frequency band (in general, the frequency range of this wideband frequency band can be greater than 1GHz).This antenna element of the present invention can be in the situation that its overall dimensions dwindles, and contains at least two wideband frequency bands.In a preferred embodiment, this antenna element of the present invention is applicable to being applied to the multi-band operation of WWAN/LTE, and can keep high radiation efficiency in aforesaid operations frequency band.
Accompanying drawing explanation
Fig. 1 shows according to the schematic diagram of the communicator described in first embodiment of the invention;
Fig. 2 shows to return to loss figure according to the antenna element of the communicator described in first embodiment of the invention;
Fig. 3 shows according to the antenna efficiency figure of the antenna element of the communicator described in first embodiment of the invention;
Fig. 4 shows according to the schematic diagram of the communicator described in second embodiment of the invention;
Fig. 5 shows according to the schematic diagram of the communicator described in third embodiment of the invention;
Fig. 6 shows according to the schematic diagram of the communicator described in fourth embodiment of the invention.
[main description of reference numerals]
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 Departments 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 openend of 633～Part II;
14,64～inductance element;
15,65～coupling space;
16,46,56,66～the second Departments of Radiation;
161, the short-circuit end of 461,561,661～the second Departments of Radiation;
162, the openend of 462,562,662～the second Departments of Radiation;
21～the first frequency bands;
22～the second frequency bands;
31,32～antenna efficiency curve.
Embodiment
For above and other object 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 shows according to the schematic diagram of the communicator 100 described in first embodiment of the invention.Communicator 100 can be a mobile phone, a panel computer, or a notebook computer.In the first embodiment, communicator 100 comprises an earth element 10 and an antenna element 12.The contiguous earth element 10 of antenna element 12.Antenna element 12 comprises one first Department of Radiation 13 and one second Department of Radiation 16.The first Department of Radiation 13 comprises a Part I 131 and a Part II 132, wherein Part I 131 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 comprises multiple bending structures, makes to form a coupling space 15 between an openend 133 of Part II 132 and Part I 131.In more detail, described multiple bending structures of Part II 132 make Part II 132 comprise one first section 1321, one second section 1322, and one the 3rd section 1323, wherein the first section 1321 almost parallels the 3rd section 1323, the second sections 1322 are approximately perpendicular to the first section 1321 and the 3rd section 1323.The second Department of Radiation 16 has a short-circuit end 161 and an openend 162.The short-circuit end 161 of the second Department of Radiation 16 is coupled to earth element 10.The second Department of Radiation 16 extends around the first Department of Radiation 13 at least in part.Part I 131 comprises at least one bending structure, makes at least one section 1312 of Part I 131 be roughly parallel to an edge 101 of earth element 10.Part I 131 can be roughly an inverted L-shaped, and Part II 132 can be roughly a reversed J shape.The openend 133 of Part II 132 is roughly between Part I 131 and earth element 10.In a preferred embodiment, the length of Part II 132 is greater than 0.5 times of length of Part I 131, so that enough inductance value to be provided.The length of the second Department of Radiation 16 is greater than the length of Part I 131, makes the second Department of Radiation 16 and Part I 131 produce respectively a fundamental resonance mode.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 be reached WWAN/LTE dual frequency operation.It should be noted that communicator 100 more can comprise other necessary elements, for example: a processor, a contact panel, a battery, and a shell (not shown).
Fig. 2 shows according to the loss (Return Loss) of returning of the antenna element 12 of the communicator 100 described in first embodiment of the invention to scheme.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.Antenna element 12 is roughly a 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.Return at 6dB under the definition of loss (mobile communication device Antenna Design standard), antenna element 12 can operate at least one the first frequency band 21 and one second frequency band 22.In a preferred embodiment, the first frequency band 21 is a wideband frequency band, it at least contains GSM850/900 frequency band (approximately between 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 (approximately between between 1710MHz to 2690MHz).Therefore, 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 frequency band range all non-be restrictive condition of the present invention.Designer can be according to different demands to this component size, component parameters, and frequency band range is adjusted.
Fig. 3 shows according to the antenna efficiency figure of the antenna element 12 of the communicator 100 described in first embodiment of the invention.Antenna efficiency when antenna efficiency curve 31 representative antennas elements 12 operate in GSM850/900 frequency band (approximately between between 824MHz to 960MHz), and the antenna efficiency of antenna efficiency curve 32 representative antennas elements 12 while operating in GSM1800/1900/UMTS/LTE2300/2500 frequency band (approximately between between 1710MHz to 2690MHz).As shown in Figure 3, antenna element 12 operates in all good antenna efficiency (S parameter being included in to the radiation efficiency of consideration) in WWAN/LTE frequency band.In a preferred embodiment, this antenna efficiency, can realistic application demand at least higher than approximately 65%.
Fig. 4 shows according to the schematic diagram of the communicator 400 described in second embodiment of the invention.The second embodiment is similar to the first embodiment, and both Main Differences are, one second Department of Radiation 46 of an antenna element 42 of communicator 400 extends and roughly surrounds the first Department of Radiation 13.All the other features of the communicator 400 of the second embodiment are all identical with the first embodiment, and therefore the communicator 400 of the second embodiment can almost have identical operating effect with the first embodiment.
Fig. 5 shows according to the schematic diagram of the communicator 500 described in third embodiment of the invention.The 3rd embodiment is similar to the first embodiment, and both Main Differences are, short-circuit end 561 nearby sources 11 of one second Department of Radiation 56 of an antenna element 52 of communicator 500.The second Department of Radiation 56 roughly extends around the first Department of Radiation 13.All the other features of the communicator 500 of the 3rd embodiment are all identical with the first embodiment, and therefore the communicator 500 of the 3rd embodiment can almost have identical operating effect with the first embodiment.
Fig. 6 shows according to the schematic diagram of the communicator 600 described in fourth embodiment of the invention.The 4th embodiment is similar to the first embodiment, both Main Differences are, a Part II 632 of one first Department of Radiation 63 of an antenna element 62 of communicator 600 has more (for example: 6) bending structure to increase by an equivalent inductance value.Part II 632 can be roughly a W shape.Described multiple bending structures of Part II 632 make Part II 632 comprise one first section 6321, one second section 6322 and one the 3rd section 6323, wherein the first section 6321 almost parallels the 3rd section 6323, the second sections 6322 are approximately perpendicular to the first section 6321 and the 3rd section 6323.A coupling space 65 between the Part II 632 of the first Department of Radiation 63 and Part I 631 can produce an equivalent capacitance value.Owing to having had this equivalence inductance value and this equivalent capacitance value, antenna element 62 can produce and connect in the lump resonance near a low-frequency band.This design makes antenna element 62 in this low-frequency band, increase by an extra resonance mode, thereby reaches the wideband operation of this low-frequency band.All the other features of the communicator 600 of the 4th embodiment are all identical with the first embodiment, and therefore the communicator 600 of the 4th embodiment can almost have identical operating effect with the first embodiment.
Ordinal number in this specification and claim, for example " first ", " second ", " 3rd " etc., do not have the precedence relationship in order each other, and it only distinguishes two different elements with same name for indicating.
Though the present invention with preferred embodiment openly as above; so it is not in order to limit scope of the present invention; any those of ordinary skills; without departing from the spirit and scope of the present invention; when doing a little change and retouching, the scope that therefore protection scope of the present invention ought define depending on appended claim is as the criterion.
Claims (9)
1. a communicator, comprising:
One earth element; And
One antenna element, contiguous this earth element, wherein this antenna element comprises:
One first Department of Radiation, comprise 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 comprises multiple bending structures, make to form a coupling space between an openend of this Part II and this Part I; And
One second Department of Radiation, wherein this second Department of Radiation has a short-circuit end and an openend, and this short-circuit end is coupled to this earth element, and this second Department of Radiation roughly extends around this first Department of Radiation at least in part.
2. communicator as claimed in claim 1, wherein this Part I of this first Department of Radiation comprises at least one bending structure, makes at least one section of this Part I be roughly parallel to an edge of this earth element.
3. communicator as claimed in claim 1, wherein this Part I is roughly an inverted L-shaped.
4. communicator as claimed in claim 1, wherein this openend of this Part II of this first Department of Radiation is roughly between this Part I and this earth element of this first Department of Radiation.
5. communicator as claimed in claim 1, wherein the length of this Part II is greater than 0.5 times of length of this Part I.
6. communicator as claimed in claim 1, wherein the length of this second Department of Radiation is greater than the length of this Part I.
7. communicator as claimed in claim 1, wherein contiguous this signal source of this short-circuit end of this second Department of Radiation.
8. communicator as claimed in claim 1, wherein this Part II is roughly a W shape.
9. communicator as claimed in claim 1, wherein described multiple bending structures of this Part II of this first Department of Radiation make this Part II comprise one first section, one second section and one the 3rd section, wherein this first section almost parallel the 3rd 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 true CN103811850A (en) | 2014-05-21 |
| CN103811850B CN103811850B (en) | 2016-06-29 |
Family
ID=50708281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210452711.3A Active CN103811850B (en) | 2012-11-13 | 2012-11-13 | Communicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103811850B (en) |
Cited By (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 |
| CN107026314A (en) * | 2016-01-29 | 2017-08-08 | 北京小米移动软件有限公司 | The antenna of mobile terminal |
| 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 |
| CN108123209A (en) * | 2016-11-29 | 2018-06-05 | 宏碁股份有限公司 | Mobile device |
Citations (4)
| 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 |
| US20100149053A1 (en) * | 2007-08-24 | 2010-06-17 | Murata Manufacturing Co., Ltd. | Antenna apparatus and radio communication apparatus |
| CN101953022A (en) * | 2006-11-16 | 2011-01-19 | 盖尔创尼克斯公司 | Compact antenna |
-
2012
- 2012-11-13 CN CN201210452711.3A patent/CN103811850B/en active Active
Patent Citations (4)
| 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 |
| CN101953022A (en) * | 2006-11-16 | 2011-01-19 | 盖尔创尼克斯公司 | Compact antenna |
| US20100149053A1 (en) * | 2007-08-24 | 2010-06-17 | Murata Manufacturing Co., Ltd. | Antenna apparatus and radio communication apparatus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159442A (en) * | 2015-03-26 | 2016-11-23 | 邱宏献 | Many support arms trap antenna |
| CN107026314A (en) * | 2016-01-29 | 2017-08-08 | 北京小米移动软件有限公司 | The antenna of mobile terminal |
| CN108123209A (en) * | 2016-11-29 | 2018-06-05 | 宏碁股份有限公司 | Mobile device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103811850B (en) | 2016-06-29 |
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