CN101123325A - Multi-frequency band antenna and method for realizing multi-frequency band antenna - Google Patents
Multi-frequency band antenna and method for realizing multi-frequency band antenna Download PDFInfo
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- CN101123325A CN101123325A CNA2007101196334A CN200710119633A CN101123325A CN 101123325 A CN101123325 A CN 101123325A CN A2007101196334 A CNA2007101196334 A CN A2007101196334A CN 200710119633 A CN200710119633 A CN 200710119633A CN 101123325 A CN101123325 A CN 101123325A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/06—Details
- H01Q9/14—Length of element or elements adjustable
- H01Q9/145—Length of element or elements adjustable by varying the electrical length
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Abstract
The invention discloses a multi-wave band antenna and a method to achieve the multi-wave band antenna, and belongs to the field of mobile communication. The multi-wave band antenna comprises an antenna body, and at least a switch arranged on the antenna body. The switch is used to control the multi-wave band antena which supports different frequency under different states. The method to achieve the multi-wave band antenna comprises at least a switch arranged on the multi-wave band antenna body, and a control signal. The multi-wave band antenna supports different frequencies by controlling the state of the switch arranged on the antenna body. The multi-wave band anttena provided by the invention changes the state of the switch and supports a plurality of wave bands through use of the antenna body provided with switch. In prior art, when prior antenna supports a plurality of wave bands, syntony branches shall be increased; by contrast, the utility model saves the area of the antenna and reduces the space occupied by the antenna. As signal in the multi-wave band antenna is transmitted through only one route, coupling phenomena resulting from a plurality of transmission routes are prevented. Accordingly, efficiency of the antenna is improved.
Description
Technical field
The present invention relates to moving communicating field, the method for particularly a kind of multiband aerial and realization multiband aerial.
Background technology
In mobile system, as GSM (Global System for Mobile communications, global system for mobile communications) system, from the early stage frequency that only needs to support 900MHz, develop into needs and support two frequencies of 900/1800MHz, the 3G epoch till now, even needs are supported a plurality of frequency bands such as 850/900/1800/1900/2100MHz, hardware device more and more higher requirement, particularly terminal antenna have been proposed.
The effect of antenna is radiofrequency signal to be launched effectively and receive effectively, and the resonance branch road of antenna all has frequency bandwidth, in order to be implemented in needed wide band frequency characteristics in the mobile system, same portable terminal, should support needed frequency among the GSM900, support needed frequency among the GSM1800 again.Perhaps use many antennas, perhaps under the situation of a tap, use the multi resonant branch of shaking to realize.
In the existing mobile terminal system, use the multi resonant branch of shaking to realize that antenna is broadband usually.To support in the gsm system that the mobile terminal antenna of 900/1800MHz is an example.Referring to Fig. 1, be the antenna assumption diagram of the portable terminal of supporting 900/1800MHz, this antenna system is made up of circuit board, antenna feed point, antenna body, and signal is incorporated into antenna body from antenna feed point, and antenna body is made up of spoke 1 and spoke 2.Wherein, branch's 1 cabling is longer, and resonance frequency is low, realizes the signal radiation of 900MHz, and branch's 2 cablings are shorter, resonance frequency height, the signal radiation of realization 1800MHz; Therefore this antenna can be supported two frequency range 900/1800MHz simultaneously.Antenna body can be the cabling that is printed on the circuit board, also can be the metallic conductor that is placed on the outer structure of circuit board.Referring to Fig. 2, be the frequency-reflection return loss curve chart of this antenna, by the curve among the figure as can be seen, the reflection return loss of this antenna when 900MHz and 1800MHz is all about-20dB.
In realizing process of the present invention, the inventor finds that above-mentioned mobile terminal antenna has following shortcoming at least:
The antenna occupation space is too big, does not meet the trend and the requirement of terminal miniaturization.Because the natural resonance bandwidth of each branch all is limited, when the more transmission signals of needs support, as 900/1800/2100MHz, even support GPS (GlobalPositioning System, when global positioning system) waiting other professional, can only use more branch to support multiband, but can take bigger space.
Summary of the invention
For the antenna that makes portable terminal can be supported multiband, the embodiment of the invention provides a kind of multiband aerial and has realized the method for multiband aerial.
Described antenna body is provided with at least one switch, and described switch is used to be controlled at makes described multiband aerial support different frequencies under the different states.
The multiband aerial that the embodiment of the invention provides is provided with the antenna body of switch by use, be set to different conditions at switch and (promptly utilize the different operating state of the conducting or the isolation of switch, make the length difference of effective metal conductor antenna body) time, realize supporting different frequency ranges; Need increase resonance branch when supporting multiband and compare, can greatly save the area of antenna, dwindle the space of occupying of antenna with prior art; In addition,, can not produce the coupling phenomenon that brings because of a plurality of delivering paths, therefore can improve the efficient of antenna because the delivering path of signal has only one in multiband aerial.
The method of described realization multiband aerial comprises:
At least one switch is set on the antenna body of multiband aerial, and control signal is set, the state of controlling switch on the described antenna body makes described multiband aerial support different frequencies.
The method of the realization multiband aerial that the embodiment of the invention provides by the state of switch on the antenna body of control multiband aerial, can realize that multiband aerial supports a plurality of frequency ranges.
Description of drawings
Fig. 1 is an antenna assumption diagram of supporting the portable terminal of 900MHz and 1800MHz in the prior art;
Fig. 2 is the frequency-reflection return loss curve chart of the antenna among Fig. 1;
Fig. 3 is the structure chart of the multiband aerial that provides of the embodiment of the invention;
Fig. 4 is the circuit diagram of the multiband aerial that provides of the embodiment of the invention;
Fig. 5 is the structure chart of the switch module of the multiband aerial among Fig. 4;
Fig. 6 is the flow chart of the method for the realization multiband aerial that provides of the embodiment of the invention;
Fig. 7 is the in kind output effect figure of the multiband aerial among Fig. 4 when supporting low-limit frequency;
Fig. 8 is the frequency-reflection return loss curve chart of the multiband aerial among Fig. 4 when supporting low-limit frequency;
Fig. 9 is the in kind output effect figure of the multiband aerial among Fig. 4 when supporting upper frequency;
Figure 10 is the frequency-reflection return loss curve chart of the multiband aerial among Fig. 4 when supporting upper frequency;
Figure 11 is the in kind output effect figure of the multiband aerial among Fig. 4 when supporting highest frequency;
Figure 12 is the frequency-reflection return loss curve chart of the multiband aerial among Fig. 4 when supporting highest frequency.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Referring to Fig. 3, the embodiment of the invention provides a kind of multiband aerial, comprise circuit board, antenna feed point and antenna body, signal is incorporated into antenna body from antenna feed point, circuit board is in the bottom of multiband aerial, horizontal positioned, as ground plane, on the antenna feed point of circuit board, draw an antenna body, antenna body is above circuit board, contact with circuit board by antenna feed point, antenna body is provided with at least one switch, and switch is used to be controlled at makes multiband aerial support different frequencies under the different states.Wherein, antenna body can be the cabling that is printed on the circuit board, also can be the metallic conductor that is placed on the outer structure of circuit board.The shape of antenna body can take different shapes as required, as straight line, time molded lines, broken line and jaggies or the like, also can be difform combination.
Above-mentioned switch can be active switch or mechanical switch, and its structure can be simple construction of switch, also can be for comprising the switch module of electric capacity.Referring to Fig. 4, two switch modules are set on antenna body, switch module 1 and switch module 2, thus antenna body is divided into three sections, the 1_1 of branch, the 1_2 of branch and the 1_3 of branch.Wherein, the structure of switch module is referring to Fig. 5, and in switch module, main body is a switching device, and the both sides of switching device have electric capacity respectively.By the control of control signal, make transmission signals realize the function of conducting or blocking-up by maybe not passing through switching device.Control signal derives from base band, according to real network frequency needs, the state of switch is set, and selects corresponding frequency.The effect of the electric capacity of switching device both sides is to make the switch operate as normal, guarantees the needed DC channel of switch.Concerning antenna body, when it is provided with a plurality of switch, between two adjacent switches an electric capacity just can be set, thereby play the effect of isolation.
When a switch is set on the antenna body, above-mentioned multiband aerial can be supported two frequency ranges, when two switches are set on the antenna body, above-mentioned multiband aerial can be supported three frequency ranges, by that analogy, the switch that is provided with on antenna body is many more, and the frequency range that above-mentioned multiband aerial can be supported is many more.The switch that is provided with on the antenna body can specifically be used to be controlled under the state of whole closures makes multiband aerial support minimum frequency, being controlled at from the nearest switch of antenna feed point is to make the highest frequency of multiband aerial support under the state of opening, and controls all switches and make multiband aerial support other frequencies except that low-limit frequency and highest frequency under the assembled state of open and close.
When the needs multiband aerial was supported low-limit frequency, all switches on can the control antenna body all were set to closure (conducting) state; Wherein, low-limit frequency is meant minimum frequency in the frequency that multiband aerial can support, for example, multiband aerial can be supported GSM900MHz, DCS (Data Communication[Conditioning] System, data transmission system) 1800MHz, PCS (Personal Communication Systems, PCS Personal Communications System) 1900MHz and WLAN (WirelessLocal Area Network, WLAN (wireless local area network)) four frequency ranges of 2500MHz, low-limit frequency is GSM900MHz, three switches can be set on antenna body, when with three switch complete closures, this multiband aerial can be supported minimum frequency 900MHz.
When the needs multiband aerial is supported highest frequency, can be set to open mode from the nearest switch of antenna feed point on the control antenna body; Wherein, highest frequency is meant the highest frequency in the frequency that multiband aerial can support, for example, multiband aerial can be supported GSM900MHz, GPS1500MHz and three frequency ranges of WCDMA2100MHz, highest frequency is WCDMA2100MHz, and two switches can be set on the antenna body of multiband aerial, supposes to begin by near to far being followed successively by switch 1 and switch 2 from antenna feed point, when then switch 1 being opened, this multiband aerial can be supported the highest frequency 2100MHz.This moment, the state of other switches can all can not influence the length of antenna body for opening or closure; For example, referring to Fig. 4, to be switch opens in the switch module 1 from the nearest switch of antenna feed point on the antenna body, can make multiband aerial support highest frequency, at this moment, the switch in the switch module 2 can be opened, also can be closed, after being the switch opens in the switch module 1, the length of antenna body is changeless.
When the frequency that needs the multiband aerial support changes from low to high, can control from the antenna body from antenna feed point switch farthest, the switch on the antenna body is set to open mode when initial (promptly suppose all switches all be closure state) successively; For example, multiband aerial can be supported GSM900MHz, DCS1800MHz, four frequency ranges of PCS1900MHz and WCDMA2100MHz, the antenna body of multiband aerial is provided with three switches, suppose to begin by near to far being followed successively by switch 1 from antenna feed point, switch 2 and switch 3, and switches all during initial condition are closure state, support low-limit frequency 900MHz when being initial, then successively with switch 3, switch 2 and switch 1 are opened, can make this multiband aerial support DCS1800MHz respectively, the frequency of PCS1900MHz and WCDMA2100MHz, promptly the frequency of Zhi Chiing changes from low to high.
In addition, when the frequency that needs the multiband aerial support changes from high to low, also can control from the antenna body from the nearest switch of antenna feed point, switch is set to closure state when initial (promptly suppose all switches all be open mode) successively.
In order to make above-mentioned multiband aerial can support more frequency range, further, the length of correspondence that length that can antenna body is set to multiband aerial can support low-limit frequency the time.The relation of the frequency of supporting according to the length of antenna body in the prior art and antenna, can calculate the length of the antenna body of correspondence when the antenna body is supported low-limit frequency, antenna body in the above-mentioned multiband aerial is provided with length for this reason, then can makes this multiband aerial support the frequency range of wide region.Because antenna body is short more, the frequency that respective antenna is supported is high more, therefore can by changing the state of switch, change the length of antenna body by a plurality of switches are set on the diverse location of antenna body, thereby make multiband aerial support different frequencies.
Multiband aerial in the embodiment of the invention is provided with the antenna body of switch by use, when switch is set to different conditions (being the length difference of effective antenna body), realizes supporting different frequency ranges; During switch opens, the length of antenna body shortens, multiband aerial can be supported high-frequency, during switch closure, the length of antenna body is elongated, and multiband aerial can be supported low frequency, need increase resonance branch when supporting multiband with prior art and compare, can greatly save the area of antenna, dwindle the space of occupying of antenna.In addition,, can not produce the coupling phenomenon that brings because of a plurality of delivering paths, therefore can improve the efficient of antenna because the delivering path of signal has only one in multiband aerial.By using electric capacity to isolate, effectively utilized the high-isolation of switch, can accomplish the isolation that 20dB is above, guaranteed to separate branch road and do not participated on the transmission channel of useful signal, improved the efficient of antenna.The length of correspondence can make multiband aerial can support more frequency range when being set to multiband aerial and can supporting low-limit frequency by antenna body.
Referring to Fig. 6, the embodiment of the invention also provides a kind of method that realizes multiband aerial, specifically may further comprise the steps:
Step 101: at least one switch is set on the antenna body of multiband aerial;
Step 102: control signal is set, and the state of controlling switch on this antenna body makes multiband aerial support different frequencies.
Wherein, control signal is set, the state of controlling switch on this antenna body makes multiband aerial support the step of different frequencies to be specially:
The low frequency control signal is set, and all switches on the control antenna body are closure state, make multiband aerial support low-limit frequency.Wherein, low-limit frequency is meant minimum frequency in the frequency that multiband aerial can support, for example, multiband aerial can be supported GSM900MHz, DCS 1800MHz, PCS 1900MHz and four frequency ranges of WLAN2500MHz, low-limit frequency is GSM900MHz, three switches can be set on antenna body, and when three switch complete closures of control, this multiband aerial can be supported minimum frequency 900MHz;
Wherein, control signal is set, the state of controlling switch on this antenna body makes multiband aerial support the step of different frequencies to be specially:
The high-frequency control signal is set, and is open mode from the nearest switch of antenna feed point on the control antenna body, makes multiband aerial support highest frequency.Wherein, highest frequency is meant the highest frequency in the frequency that multiband aerial can support, for example, multiband aerial can be supported GSM900MHz, GPS1500MHz and three frequency ranges of WCDMA2100MHz, highest frequency is WCDMA2100MHz, and two switches can be set on the antenna body of multiband aerial, supposes to begin by near to far being followed successively by switch 1 and switch 2 from antenna feed point, when then switch 1 being opened, this multiband aerial can be supported the highest frequency 2100MHz; This moment, the state of other switches can all can not influence the length of antenna body for opening or closure; For example, referring to Fig. 4, to be switch opens in the switch module 1 from the nearest switch of antenna feed point on the antenna body, can make multiband aerial support highest frequency, at this moment, the switch in the switch module 2 can be opened, also can be closed, after being the switch opens in the switch module 1, the length of antenna body is changeless;
Wherein, control signal is set, the state of controlling switch on this antenna body makes multiband aerial support the step of different frequencies to be specially:
The intermediate frequency control signal is set, and all switches on the control antenna body are in the assembled state of open and close, make multiband aerial support other frequencies except that low-limit frequency and highest frequency.For example, when the frequency that needs the multiband aerial support changes from low to high, from the antenna body from antenna feed point switch farthest, successively with the switch opens on the antenna body when initial (promptly suppose all switches all closed); In addition, when the frequency that needs the multiband aerial support changes from high to low, also can be from the nearest switch of antenna feed point from the antenna body, successively with switch closure when initial (promptly suppose all switches all open).For example, multiband aerial can be supported GSM900MHz, DCS1800MHz, four frequency ranges of PCS1900MHz and WCDMA2100MHz, the antenna body of multiband aerial is provided with three switches, suppose to begin by near to far being followed successively by switch 1 from antenna feed point, switch 2 and switch 3, and switches all during initial condition are closure state, support low-limit frequency 900MHz when being initial, then successively with switch 3, switch 2 and switch 1 are opened, can make this multiband aerial support DCS1800MHz respectively, the frequency of PCS1900MHz and WCDMA2100MHz, promptly the frequency of Zhi Chiing changes from low to high.
Further, when on the antenna body at multiband aerial a plurality of switch being set, can also between two adjacent switches, electric capacity be set, play the effect of isolation.
Be example with the multiband aerial that two switches are set among Fig. 4 below, what suppose the antenna body employing is metallic conductor, abbreviates the switch in the switch module 1 as switch 1, abbreviates the switch in the switch module 2 as switch 2, then specifies as follows:
When needs transmission low-limit frequency, the low frequency control signal is set, switch 1 and switch 2 is all closed, and this moment, the metallic conductor of multiband aerial was the longest branch, output effect in kind is as shown in Figure 7; Be that the 1_1 of branch, the 1_2 of branch and the 1_3 of branch have participated in signal radiation simultaneously, the output of multiband aerial shows as shown in Figure 8, by the frequency among Fig. 8-feedback return loss curve chart as can be seen, and in the scope of 880MHz～935MHz, reflection coefficient is all less than-16dB, and corresponding standing wave is less than 1.4.
When needs transmission upper frequency, the intermediate frequency control signal is set, with switch 1 closure, switch 2 is opened, and this moment, 1_1 of branch and the 1_2 of branch participated in signal radiation, and the 1_3 of branch is as a metallic object, output effect in kind is as shown in Figure 9; Referring to Figure 10, be the frequency-feedback return loss curve chart of multiband aerial this moment, as can be seen from Figure, in the scope of 1700MHz～2080MHz, reflection coefficient is all less than-11dB, and corresponding standing wave is less than 1.8; Frequency be the local standing wave of 2.2GHz all less than 2, can satisfy the standing wave requirement of existing terminal antenna fully.
When needs transmission higher frequency, the high-frequency control signal is set, switch 1 and switch 2 are all opened, promptly have only the 1_1 of branch to participate in signal radiation, and 1_2 of branch and the 1_3 of branch are as a metallic object, output effect in kind is as shown in figure 11; Referring to Figure 12, be the frequency-feedback return loss curve chart of multiband aerial this moment, as can be seen from Figure, in the scope of 2300MHz～2450MHz, reflection coefficient is all less than-12dB, and corresponding standing wave is less than 1.7.
Therefore from the output situation of above each section as can be seen, this multiband aerial all less than 2, has satisfied the requirement of terminal antenna at the standing wave of frequency ranges such as GSM900MHz, DCS1800MHz, PCS1900MHz, WCDAM2100MHz and WLAN2500MHz～2690MHz.
Realize the technical scheme of multiband aerial in the embodiment of the invention, by control signal is set, the state of the switch on the antenna body of control multiband aerial can realize that multiband aerial supports a plurality of frequency ranges; Switch is in different states, has changed the length of antenna body, thereby makes multiband aerial support different frequencies; Need increase resonance branch when supporting multiband and compare, can greatly save the area of antenna, dwindle the space of occupying of antenna with prior art; And the delivering path of signal has only one in multiband aerial, can not produce the coupling phenomenon that brings because of a plurality of delivering paths, therefore can improve the efficient of antenna.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a multiband aerial comprises antenna body, it is characterized in that,
Described antenna body is provided with at least one switch, and described switch is used to be controlled at makes described multiband aerial support different frequencies under the different states.
2. multiband aerial according to claim 1 is characterized in that,
Described antenna body is provided with a plurality of switches, is provided with electric capacity between adjacent switch.
3. multiband aerial according to claim 1 is characterized in that,
Described switch specifically is used to be controlled under the state of whole closures makes described multiband aerial support minimum frequency, being controlled at from the nearest switch of antenna feed point is to make the highest frequency of described multiband aerial support under the state of opening, and controls all switches and make described multiband aerial support other frequencies except that described low-limit frequency and highest frequency under the assembled state of open and close.
4. a method that realizes multiband aerial is characterized in that, described method comprises:
At least one switch is set on the antenna body of multiband aerial, and control signal is set, the state of controlling switch on the described antenna body makes described multiband aerial support different frequencies.
5. the method for realization multiband aerial according to claim 4 is characterized in that, when on the antenna body at described multiband aerial a plurality of switch being set, described method also comprises:
Between adjacent switch, electric capacity is set.
6. the method for realization multiband aerial according to claim 4 is characterized in that, control signal is set, and the state of controlling switch on the described antenna body makes described multiband aerial support the step of different frequencies to be specially:
The low frequency control signal is set, and all switches of controlling on the described antenna body are closure state, make described multiband aerial support low-limit frequency.
7. the method for realization multiband aerial according to claim 4 is characterized in that, control signal is set, and the state of controlling switch on the described antenna body makes described multiband aerial support the step of different frequencies to be specially:
The high-frequency control signal is set, and controlling on the described antenna body from the nearest switch of antenna feed point is open mode, makes described multiband aerial support highest frequency.
8. the method for realization multiband aerial according to claim 4 is characterized in that, control signal is set, and the state of controlling switch on the described antenna body makes described multiband aerial support the step of different frequencies to be specially:
The intermediate frequency control signal is set, controls the assembled state that all switches on the described antenna body are in open and close, make described multiband aerial support other frequencies except that low-limit frequency and highest frequency.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101196334A CN101123325A (en) | 2007-07-27 | 2007-07-27 | Multi-frequency band antenna and method for realizing multi-frequency band antenna |
| PCT/CN2008/071695 WO2009015579A1 (en) | 2007-07-27 | 2008-07-18 | Multiband antenna and method for achieving multiband antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101196334A CN101123325A (en) | 2007-07-27 | 2007-07-27 | Multi-frequency band antenna and method for realizing multi-frequency band antenna |
Publications (1)
| Publication Number | Publication Date |
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| CN101123325A true CN101123325A (en) | 2008-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101196334A Pending CN101123325A (en) | 2007-07-27 | 2007-07-27 | Multi-frequency band antenna and method for realizing multi-frequency band antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101123325A (en) |
| WO (1) | WO2009015579A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009015579A1 (en) * | 2007-07-27 | 2009-02-05 | Shenzhen Huawei Telecommunication Technologies Co., Ltd. | Multiband antenna and method for achieving multiband antenna |
| CN102263328A (en) * | 2011-06-07 | 2011-11-30 | 华为技术有限公司 | Multifrequency antenna remote control device and multifrequency antenna system |
| CN102694238A (en) * | 2012-05-24 | 2012-09-26 | 深圳市中兴移动通信有限公司 | Multiband antenna |
| CN105406177A (en) * | 2014-06-27 | 2016-03-16 | 展讯通信（上海）有限公司 | Antenna, mainboard of mobile terminal, and mobile terminal |
| CN106450771A (en) * | 2015-08-11 | 2017-02-22 | 富泰华工业（深圳）有限公司 | Electronic device and multiband antenna thereof |
| CN109728417A (en) * | 2018-12-29 | 2019-05-07 | 联想(北京)有限公司 | Antenna and its control method and electronic equipment |
| CN109742510A (en) * | 2018-11-26 | 2019-05-10 | 惠州Tcl移动通信有限公司 | Communication terminal and its antenna |
| WO2019105449A1 (en) * | 2017-11-30 | 2019-06-06 | 维沃移动通信有限公司 | Antenna device and mobile terminal |
| CN112400339A (en) * | 2019-06-03 | 2021-02-23 | 华为技术有限公司 | Wireless communication device and carrier switching method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1067627B1 (en) * | 1999-07-09 | 2009-06-24 | IPCom GmbH & Co. KG | Dual band radio apparatus |
| JP3772771B2 (en) * | 2001-05-18 | 2006-05-10 | 松下電器産業株式会社 | Multiband high frequency switch |
| CN100346533C (en) * | 2003-09-17 | 2007-10-31 | 富士康(昆山)电脑接插件有限公司 | Multifrequence antenna |
| CN101123325A (en) * | 2007-07-27 | 2008-02-13 | 深圳华为通信技术有限公司 | Multi-frequency band antenna and method for realizing multi-frequency band antenna |
-
2007
- 2007-07-27 CN CNA2007101196334A patent/CN101123325A/en active Pending
-
2008
- 2008-07-18 WO PCT/CN2008/071695 patent/WO2009015579A1/en active Application Filing
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009015579A1 (en) * | 2007-07-27 | 2009-02-05 | Shenzhen Huawei Telecommunication Technologies Co., Ltd. | Multiband antenna and method for achieving multiband antenna |
| CN102263328A (en) * | 2011-06-07 | 2011-11-30 | 华为技术有限公司 | Multifrequency antenna remote control device and multifrequency antenna system |
| US8860334B2 (en) | 2011-06-07 | 2014-10-14 | Huawei Technologies Co., Ltd. | Device for remotely controlling multi-band antenna and multi-band antenna system |
| CN102694238A (en) * | 2012-05-24 | 2012-09-26 | 深圳市中兴移动通信有限公司 | Multiband antenna |
| CN105406177A (en) * | 2014-06-27 | 2016-03-16 | 展讯通信（上海）有限公司 | Antenna, mainboard of mobile terminal, and mobile terminal |
| CN105406177B (en) * | 2014-06-27 | 2019-03-29 | 展讯通信（上海）有限公司 | The mainboard and mobile terminal of a kind of antenna, mobile terminal |
| CN106450771A (en) * | 2015-08-11 | 2017-02-22 | 富泰华工业（深圳）有限公司 | Electronic device and multiband antenna thereof |
| WO2019105449A1 (en) * | 2017-11-30 | 2019-06-06 | 维沃移动通信有限公司 | Antenna device and mobile terminal |
| CN109742510A (en) * | 2018-11-26 | 2019-05-10 | 惠州Tcl移动通信有限公司 | Communication terminal and its antenna |
| CN109728417A (en) * | 2018-12-29 | 2019-05-07 | 联想(北京)有限公司 | Antenna and its control method and electronic equipment |
| CN112400339A (en) * | 2019-06-03 | 2021-02-23 | 华为技术有限公司 | Wireless communication device and carrier switching method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009015579A1 (en) | 2009-02-05 |
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