CN102709671A - Multiband antenna, wireless communicator and wireless communication system - Google Patents
Multiband antenna, wireless communicator and wireless communication system Download PDFInfo
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- CN102709671A CN102709671A CN2012100010216A CN201210001021A CN102709671A CN 102709671 A CN102709671 A CN 102709671A CN 2012100010216 A CN2012100010216 A CN 2012100010216A CN 201210001021 A CN201210001021 A CN 201210001021A CN 102709671 A CN102709671 A CN 102709671A
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Abstract
The invention provides a multiband antenna which comprises a stimulated unit, a branch unit and a parasitic unit. The stimulated unit is connected with a feed source, the branch unit is placed inside a surrounded structure formed by stimulated unit, and the parasitic unit is grounded and coupled with a feed unit and the stimulated unit. The invention further provides a wireless communicator and a wireless communication system. The multiband antenna can achieve multiband work of LTE, GSM, UMTS, WLAN and the like through an intercoupling effect and has the advantages of being small in size, low in cost and the like.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of radio communication device and the wireless communication system that can realize the multiband antenna of multiband function and use said multiband antenna.
Background technology
LTE (Long Term Evolution, Long Term Evolution) technology is a kind of 3G evolution technology, and this technology is a transition between 3G and the 4G technology, is the global standards of 3.9G.The LTE technological improvement has also strengthened the aerial access technology of 3G, adopts OFDM and the MIMO sole criterion as its wireless network evolution.Domestic common carrier is just in the development of pushing forward TD-LTE.The JuniperResearch of market survey company by 2015, uses the number of users of high-speed radio service LTE technology of future generation will reach 300,000,000 people in September, 2010 issue report title.
Based on the multi-antenna technology of MIMO, it provides different transmittabilities through many antennas, and the gain of spatial reuse is provided, and this technology is unusual important techniques in the follow-up evolution system of LTE and LTE.When using MIMO technique, present communication system needs and previous generation's GSM is connected, and individual mobile terminal can be used, comprising GSM, UMTS etc. based on most communications platform.If the correspondence in mobile device of corresponding multiple communications band is provided with a plurality of antennas, it is bigger to make that the integral body of antenna takies volume, makes that also the whole cost of product is higher, also is not inconsistent with popular mobile device slimming trend day by day.
Summary of the invention
To the integral body of prior art antenna take volume big with make the whole cost problem of higher of product, the present invention provide a kind of integral body take volume less with make the whole lower-cost multiband antenna of product.
The present invention provides a kind of multiband antenna, and said multiband antenna comprises wideband unit, branch units and parasitic element.Said wideband unit is connected with a feed, and said branch units is positioned at the inside of the investing mechanism that said wideband unit forms, said parasitic element ground connection and with feed element coupling, be coupled between said parasitic element and the said wideband unit.
Preferably, said wideband unit comprises one first earth terminal and a feed end.
Preferably, said wideband unit is the monopole radiation unit.
Preferably, said parasitic element comprises one second earth terminal.
Preferably, said parasitic element is that UMTS frequency range, GSM frequency range and WLAN low-frequency range transmit and receive the unit.
Preferably, said parasitic element comprises an extension, keeps a spacing between said extension and the said wideband unit.
Preferably, said extension transmits and receives the unit for the LTE low-frequency range.
Preferably, the volume of said multiband antenna is less than the 90x4x5 cubic millimeter.
The present invention also provides a kind of radio communication device, and said radio communication device comprises multiband antenna, and said multiband antenna comprises wideband unit, branch units and parasitic element.Said wideband unit is connected with a feed, and it is inner that said branch units is positioned at said wideband unit, said parasitic element ground connection and with feed element coupling, be coupled between said parasitic element and the said wideband unit.
The present invention provides a kind of wireless communication system again, and said wireless communication system comprises radio communication device, and said radio communication device comprises multiband antenna, and said multiband antenna comprises wideband unit, branch units and parasitic element.Said wideband unit is connected with a feed, and it is inner that said branch units is positioned at said wideband unit, said parasitic element ground connection and with feed element coupling, be coupled between said parasitic element and the said wideband unit.
Multiband antenna of the present invention and radio communication device and the wireless communication system of using said multiband antenna have been realized the integrated work of multiband such as LTE, GSM, UMTS, WLAN through the parasitic couplings effect, and have integral body take volume less with make advantages such as the whole cost of product is lower.
Description of drawings
Fig. 1 is the planar structure sketch map of multiband antenna one preferred embodiment of the present invention.
Fig. 2 is the frequency and the relationship between efficiency sketch map of multiband antenna shown in Figure 1.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1 and Fig. 2, Fig. 1 is the planar structure sketch map of multiband antenna one preferred embodiment of the present invention, and Fig. 2 is the frequency and the relationship between efficiency sketch map of multiband antenna shown in Figure 1.Said multiband antenna 1 can be applied to for example be applied to smart mobile phone or panel computer etc. in LTE the technology also backward compatible radio communication device and wireless communication system.
Said multiband antenna 1 comprises wideband unit 12 (loop), branch units 14 (branch), parasitic element 16 (strip).Said wideband unit 12 is connected with a feed (figure does not show), and said wideband unit 12 is the monopole radiation unit, and it utilizes the monopole radiation principle as the radiant section of said multiband antenna 1 connection feed, realizes the wideband performance of said multiband antenna 1.Said wideband unit 12 comprises one first earth terminal 120 and a feed end 122.
Said branch units 14 is positioned at the inside of the investing mechanism of said wideband unit 12 formation, is used to realize the multifrequency performance of said multiband antenna 1.
Said parasitic element 16 ground connection and with a feed element (figure do not show) coupling, be coupled between said parasitic element 16 and the said wideband unit 12.Wherein, said parasitic element 16 comprises that UMTS frequency range, GSM frequency range and WLAN low-frequency range transmit and receive the unit, and it realizes the low-frequency range of UMTS frequency range, GSM frequency range and the WLAN of said multiband antenna 1 through ground connection, coupling.Said parasitic element 16 comprises one second earth terminal 162 (B) and an extension 164.Keep a spacing between said extension 164 and the said wideband unit 12; Said extension 164 transmits and receives the unit for the LTE low-frequency range; Realize the LTE low-frequency range through coupling between itself and the said wideband unit 12; Thereby can obtain effective guide wavelength that shortens of wide band while, make said multiband antenna 1 realize miniaturization.
Preferably, the volume of said multiband antenna 1 is less than the 90x4x5 cubic millimeter.
As can be seen from Figure 2 multiband antenna 1 is comparatively stable to the efficient between the 5350MHz at 734MHz, and efficiency value mainly concentrates between 40% to 70%, explains that multiband antenna 1 has stable and higher efficient.
Further, the invention provides a kind of radio communication device (figure does not show) of using said multiband antenna 1.
Further, the invention provides a kind of wireless communication system (figure does not show) of using said radio communication device 1.
Multiband antenna of the present invention and radio communication device and the wireless communication system of using said multiband antenna have been realized the integrated work of multiband such as LTE, GSM, UMTS, WLAN through the parasitic couplings effect; Need be at a plurality of antennas of mobile device set inside, therefore having integral body, to take volume less with to make the whole cost of product lower.
More than be merely preferred case study on implementation of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. multiband antenna; It is characterized in that; Said multiband antenna comprises: driven element, branch units and parasitic element, said driven element are used for being connected with feed, and said branch units is positioned at the inside of the investing mechanism of said driven element formation; Said parasitic element ground connection and with feed element coupling, be coupled between said parasitic element and the said driven element.
2. multiband antenna according to claim 1 is characterized in that, said driven element comprises one first earth terminal and a feed end.
3. multiband antenna according to claim 1 is characterized in that, said driven element is the monopole radiation unit.
4. multiband antenna according to claim 1 is characterized in that, said parasitic element comprises one second earth terminal.
5. multiband antenna according to claim 1 is characterized in that, said parasitic element is that UMTS frequency range, GSM frequency range and WLAN low-frequency range transmit and receive the unit.
6. multiband antenna according to claim 1 is characterized in that said parasitic element comprises an extension, keeps a spacing between said extension and the said driven element.
7. multiband antenna according to claim 6 is characterized in that, said extension transmits and receives the unit for the LTE low-frequency range.
8. multiband antenna according to claim 7 is characterized in that the volume of said multiband antenna is less than the 90x4x5 cubic millimeter.
9. a radio communication device is characterized in that, comprises the arbitrary described multiband antenna of claim 1 to 8.
10. a wireless communication system is characterized in that, comprises the described communicator of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100010216A CN102709671A (en) | 2012-01-04 | 2012-01-04 | Multiband antenna, wireless communicator and wireless communication system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100010216A CN102709671A (en) | 2012-01-04 | 2012-01-04 | Multiband antenna, wireless communicator and wireless communication system |
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| CN102709671A true CN102709671A (en) | 2012-10-03 |
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| CN2012100010216A Pending CN102709671A (en) | 2012-01-04 | 2012-01-04 | Multiband antenna, wireless communicator and wireless communication system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825083A (en) * | 2014-01-24 | 2014-05-28 | 张家港保税区国信通信有限公司 | Ultra-wideband small built-in monopole mobile phone antenna |
| CN103825092A (en) * | 2014-04-02 | 2014-05-28 | 华东交通大学 | Second order double-earth-point LTE 700 MHz antenna |
| CN104124515A (en) * | 2013-04-23 | 2014-10-29 | 深圳富泰宏精密工业有限公司 | Antenna assembly adjustable in work frequency and wireless communication device provided with antenna assembly adjustable in work frequency |
| CN104900985A (en) * | 2014-03-03 | 2015-09-09 | 青岛海信移动通信技术股份有限公司 | Antenna and wireless communication equipment |
| CN107968251A (en) * | 2017-11-22 | 2018-04-27 | 深圳市盛路物联通讯技术有限公司 | Multifrequency antenna |
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| CN1886863A (en) * | 2003-10-20 | 2006-12-27 | Lk产品有限公司 | Internal multiband antenna |
| US20070030200A1 (en) * | 2005-08-04 | 2007-02-08 | Heng Chew C | Multi-band antenna structure |
| US20080303731A1 (en) * | 2007-06-07 | 2008-12-11 | Hsin-Tsung Wu | Multi-band antenna |
| CN102075205A (en) * | 2009-11-24 | 2011-05-25 | 财团法人工业技术研究院 | Mobile communication device |
| CN102157801A (en) * | 2011-03-11 | 2011-08-17 | 广东欧珀移动通信有限公司 | Frequency-reconfigured built-in antenna |
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- 2012-01-04 CN CN2012100010216A patent/CN102709671A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1886863A (en) * | 2003-10-20 | 2006-12-27 | Lk产品有限公司 | Internal multiband antenna |
| US20070030200A1 (en) * | 2005-08-04 | 2007-02-08 | Heng Chew C | Multi-band antenna structure |
| US20080303731A1 (en) * | 2007-06-07 | 2008-12-11 | Hsin-Tsung Wu | Multi-band antenna |
| CN102075205A (en) * | 2009-11-24 | 2011-05-25 | 财团法人工业技术研究院 | Mobile communication device |
| CN102157801A (en) * | 2011-03-11 | 2011-08-17 | 广东欧珀移动通信有限公司 | Frequency-reconfigured built-in antenna |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124515A (en) * | 2013-04-23 | 2014-10-29 | 深圳富泰宏精密工业有限公司 | Antenna assembly adjustable in work frequency and wireless communication device provided with antenna assembly adjustable in work frequency |
| CN103825083A (en) * | 2014-01-24 | 2014-05-28 | 张家港保税区国信通信有限公司 | Ultra-wideband small built-in monopole mobile phone antenna |
| CN104900985A (en) * | 2014-03-03 | 2015-09-09 | 青岛海信移动通信技术股份有限公司 | Antenna and wireless communication equipment |
| CN104900985B (en) * | 2014-03-03 | 2022-10-21 | 青岛海信移动通信技术股份有限公司 | Antenna and wireless communication equipment |
| CN103825092A (en) * | 2014-04-02 | 2014-05-28 | 华东交通大学 | Second order double-earth-point LTE 700 MHz antenna |
| CN107968251A (en) * | 2017-11-22 | 2018-04-27 | 深圳市盛路物联通讯技术有限公司 | Multifrequency antenna |
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Application publication date: 20121003 |