CN101330323A - Apparatus and method for switching antenna, wireless terminal - Google Patents
Apparatus and method for switching antenna, wireless terminal Download PDFInfo
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- CN101330323A CN101330323A CNA2008101320891A CN200810132089A CN101330323A CN 101330323 A CN101330323 A CN 101330323A CN A2008101320891 A CNA2008101320891 A CN A2008101320891A CN 200810132089 A CN200810132089 A CN 200810132089A CN 101330323 A CN101330323 A CN 101330323A
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Abstract
The invention discloses an antenna switching device, a method and a wireless terminal, wherein, the antenna switching device is used for switching between a built-in antenna and a remote antenna. The device comprises a radio frequency switch and a radio frequency output unit connected with the radio frequency switch, an remote antenna interface and a central processing unit, wherein, the radio frequency switch is used for switching between the built-in antenna and the remote antenna; an remote antenna interface is connected between the radio frequency switch and the remote antenna, and is used for providing the radio frequency interface of the remote antenna, detecting the use state of the remote antenna, and reporting detecting results; and the central processing unit is connected to the remote antenna and the radio frequency switch, and used for controlling the switching of the radio frequency switch based on the detecting results. The antenna switching device, the method and the wireless terminal achieve the intelligent switching between the built-in antenna and the remote antenna.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of antenna-switching device and method, wireless terminal.
Background technology
Along with development of wireless communication devices, the wireless communication terminal product presents trend toward miniaturization, wherein, for subscriber terminal equipment (Customer Premises Equipment, abbreviate CPE as) series products, it uses external antenna usually, and antenna size is relatively large, this gives the moulded inconvenience of bringing of structure, brings difficulty also for the integral miniaturization of terminal.In recent years, along with multiple-input and multiple-output (Multiple Input Multiple Output, abbreviate MIMO as) proposition of technology and fast-developing and use, be similar to micro-wave access to global intercommunication (Worldwide Interoperability for Microwave Access, abbreviating Wimax as) terminal of terminal etc. used the MIMO technology, its many antennas bring difficulty for especially the end product miniaturization, and therefore, built-in aerial is widely adopted in the miniaturization terminal.
For the use of terminal built-in antenna, at the initial stage that cordless communication network is built, because network quality does not reach more satisfactory state as yet, so operator need solve the signal quality problem for the antenna that zooms out that terminal is equipped with high-gain usually.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: the terminal use for using built-in aerial when received signal quality is relatively poor, often needs to connect with zooming out antenna.But present terminal can not satisfy user's this demand.
Summary of the invention
Consider that the terminal use who exists in the correlation technique need switch sometimes between built-in aerial and external antenna, but present terminal can not satisfy the user the demand problem and the present invention is proposed, for this reason, the present invention aims to provide a kind of antenna-switching device and method, wireless terminal, to address the above problem.
According to an aspect of the present invention, provide a kind of antenna-switching device.
In antenna-switching device according to the embodiment of the invention, antenna-switching device is used at built-in aerial and zooms out between antenna switching, said apparatus comprises: radio-frequency (RF) switch and the radio frequency output unit that is connected with radio-frequency (RF) switch, wherein, radio-frequency (RF) switch is used at built-in aerial and zooms out between the antenna switching; Zoom out antennal interface, be connected in radio-frequency (RF) switch and zoom out between the antenna, be used to provide the radio frequency interface that zooms out antenna, detect and zoom out the antenna user mode, and report testing result; Central processing unit is connected to and zooms out antennal interface, is used for the switching based on testing result control radio-frequency (RF) switch.
Preferably, be to zoom out under the situation that antenna is used in testing result, central processing unit control radio-frequency (RF) switch is connected to and zooms out antenna; In initialization or testing result is to zoom out under the situation that antenna is not used, and central processing unit control radio-frequency (RF) switch is connected to built-in aerial.
Preferably, radio-frequency (RF) switch is the two switches of putting of hilted broadsword.
Preferably, zoom out antennal interface and further comprise the checkout gear that is used to detect the user mode that zooms out antenna.
Preferably, checkout gear comprises one of following: mechanical contact device, spring leaf device.
According to an aspect of the present invention, also provide a kind of wireless terminal.
In the wireless terminal according to the embodiment of the invention, this wireless terminal comprises: built-in aerial; Zoom out antenna; Be used at built-in aerial and zoom out the antenna-switching device that switches between antenna; Wherein, antenna-switching device further comprises: radio-frequency (RF) switch and the radio frequency output unit that is connected with radio-frequency (RF) switch, and wherein, radio-frequency (RF) switch is used at built-in aerial and zooms out between the antenna switching; Zoom out antennal interface, be connected in radio-frequency (RF) switch and zoom out between the antenna, be used to provide the radio frequency interface that zooms out antenna, detect and zoom out the antenna user mode, and report testing result; Central processing unit is connected to and zooms out antennal interface, is used for the switching based on testing result control radio-frequency (RF) switch.
According to a further aspect in the invention, provide a kind of antenna switching method.
In antenna switching method according to the embodiment of the invention, the wireless terminal that is applied to comprise built-in aerial He zooms out antenna, said method comprises: detect the user mode that zooms out antenna; According to testing result control built-in aerial with zoom out the handover operation of the radio-frequency (RF) switch between the antenna.
Preferably, be specially according to testing result control built-in aerial and the handover operation that zooms out the radio-frequency (RF) switch between the antenna: in testing result is to zoom out under the situation that antenna is used, and the control radio-frequency (RF) switch is connected to and zooms out antenna; In testing result is to zoom out under the situation that antenna is not used, and the control radio-frequency (RF) switch is connected to built-in aerial.
Preferably, zoom out in detection before the user mode of antenna, also comprise: at built-in aerial and zoom out radio-frequency (RF) switch is set between the antenna, and radio-frequency (RF) switch is set to be connected to built-in aerial.
Preferably, radio-frequency (RF) switch is carried out handover operation under the control that is connected to the central processing unit that zooms out antennal interface that is used to detect the user mode that zooms out antenna.
Above embodiment has solved the problem that the terminal use need be switched sometimes between built-in aerial and external antenna, realized built-in aerial and the intelligence switching of zooming out antenna.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is built-in and be furnished with the schematic diagram of the wireless terminal device that zooms out antenna according to the use of the embodiment of the invention;
Fig. 2 is the block diagram according to the antenna-switching device of the embodiment of the invention;
Fig. 3 is the schematic diagram according to the antenna-switching device of the embodiment of the invention;
Fig. 4 is the flow chart according to the antenna switching method of the embodiment of the invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Device embodiment
According to embodiments of the invention, provide a kind of antenna-switching device.
Above-mentioned antenna-switching device is applicable to and uses built-in aerial and be furnished with the wireless terminal that zooms out antenna, Fig. 1 is according to the use built-in aerial of the embodiment of the invention and is furnished with the schematic diagram of the wireless terminal device that zooms out antenna, as shown in Figure 1, terminal is equipped with built-in aerial, has the antennal interface of zooming out simultaneously, when the terminal received signal quality was relatively poor, the user can connect the antenna that zooms out with high-gain zooming out antennal interface, to improve the quality of received signal.
Fig. 2 is the block diagram according to the antenna-switching device of the embodiment of the invention, and as shown in Figure 2, antenna-switching device is used at built-in aerial 202 and zooms out between the antenna 204 switching.Said apparatus comprises:
Radio-frequency (RF) switch 206 and the radio frequency output unit 208 that is connected with radio-frequency (RF) switch, wherein, radio-frequency (RF) switch is used at built-in aerial and zooms out between the antenna switching.In addition, this radio-frequency (RF) switch is the two switches of putting of hilted broadsword.
Zoom out antennal interface 210, be connected in radio-frequency (RF) switch and zoom out between the antenna, be used to provide the radio frequency interface that zooms out antenna, detect and zoom out the antenna user mode, and report testing result.Further, zoom out antennal interface and further comprise the checkout gear (not shown) that is used to detect the user mode that zooms out antenna, checkout gear can be realized by mechanical contact device or spring leaf device.
Central processing unit (Central Processing Unit abbreviates CPU as) 212 is connected to and zooms out antennal interface, is used for the switching based on testing result logic control radio-frequency (RF) switch.
Preferably, when initialization, radio-frequency (RF) switch is set to be connected to built-in aerial.
Further, be to zoom out under the situation that antenna is used in the testing result that zooms out antennal interface 210, central processing unit control radio-frequency (RF) switch is connected to and zooms out antenna; In the testing result that zooms out antennal interface 210 is to zoom out under the situation that antenna is not used, and central processing unit control radio-frequency (RF) switch is connected to built-in aerial.
This embodiment has solved the problem that the terminal use need be switched sometimes between built-in aerial and external antenna, realized built-in aerial and the intelligence switching of zooming out antenna.
According to the embodiment of the invention, a kind of wireless terminal also is provided, Fig. 3 is the schematic diagram that has according to the wireless terminal of the antenna-switching device of the embodiment of the invention.
As shown in Figure 3, wireless terminal according to the embodiment of the invention is provided with built-in aerial and zooms out antenna, and built-in aerial and zoom out antenna link and be connected to the radio frequency output unit by the two radio-frequency (RF) switch of putting of a hilted broadsword, wherein, the control of radio-frequency (RF) switch is finished by terminal CPU.
In addition, as shown in Figure 3, zoom out antenna and be connected to and zoom out antennal interface, this interface is except providing radio frequency interface for zooming out antenna, whether can also detect and zoom out antenna and be used, and testing result is reported CPU, CPU controls radio-frequency (RF) switch thus and switches to built-in aerial or zoom out antenna.
Particularly, above-mentioned zoom out antennal interface and can use coaxial connector (SubMinature version A usually, abbreviate SMA as), (Threaded Neill-Concelman, abbreviate TNC as) etc. radio frequency interface, and, on radio frequency interface, whether can zoom out antenna by the detection of devices such as mechanical contact or spring leaf inserts, after detecting, can realize by this mechanical device the variation of level, after terminal CPU detects the level variation, judge that whether zooming out antenna this moment inserts, and the control radio-frequency (RF) switch realizes and zooms out the translation function of antenna built-in.
Wherein, above-mentioned radio-frequency (RF) switch and the radio frequency output unit that is connected with radio-frequency (RF) switch, zoom out antennal interface, CPU has constituted the antenna-switching device according to the embodiment of the invention.
What above embodiment provided possesses built-in aerial and zooms out antenna, and can and zoom out and carry out the wireless terminal that intelligence is switched between antenna at built-in aerial, has improved user experience.
Method embodiment
According to embodiments of the invention, provide a kind of antenna switching method.
Fig. 4 is the flow chart according to the antenna switching method of the embodiment of the invention, as shown in Figure 4, the wireless terminal that this antenna switching method is applied to comprise built-in aerial and zooms out antenna, said method comprises:
Step S402 detects the user mode that zooms out antenna;
Step S404 is according to testing result control built-in aerial with zoom out the handover operation of the radio-frequency (RF) switch between the antenna.
Before carrying out above-mentioned processing, also need to finish following operation: at built-in aerial and zoom out radio-frequency (RF) switch is set between the antenna, and radio-frequency (RF) switch is set to be connected to built-in aerial.This radio-frequency (RF) switch is carried out handover operation under the control that is connected to the central processing unit that zooms out antennal interface that is used to detect the user mode that zooms out antenna.
Further, step S404 is specially: in testing result is to zoom out under the situation that antenna is used, and the control radio-frequency (RF) switch is connected to and zooms out antenna; In testing result is to zoom out under the situation that antenna is not used, and the control radio-frequency (RF) switch is connected to built-in aerial.
By this embodiment, can finish built-in aerial and the switching of zooming out antenna according to actual needs.
Technical scheme provided by the invention has bigger versatility, at the WiMAX that wireless access function is provided, Wideband Code Division Multiple Access (WCDMA) inserts (Wideband Code DivisionMultiple Access, abbreviate WCDMA as), TD SDMA inserts (TimeDivision-Synchronous Code Division Multiple Access, abbreviate TD-SCDMA as), code division multiple access-data transfer optimization (Code Division MultipleAccess Evolution Data Only, abbreviate CDMA-EVDO as) and global system for mobile communications (Global System for Mobile communications, abbreviate GSM as) etc. terminal installation, can adopt the present invention to realize built-in aerial and the automatic switching function that zooms out antenna, applied widely, simple.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, 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. an antenna-switching device is used at built-in aerial and zooms out between antenna switching, and it is characterized in that described device comprises:
Radio-frequency (RF) switch and the radio frequency output unit that is connected with described radio-frequency (RF) switch, wherein, described radio-frequency (RF) switch is used for switching at described built-in aerial and described zooming out between the antenna;
Zoom out antennal interface, be connected in described radio-frequency (RF) switch and described zooming out between the antenna, be used to provide the described radio frequency interface that zooms out antenna, detect and describedly zoom out the antenna user mode, and report testing result;
Central processing unit is connected to the described antennal interface that zooms out, and is used for controlling based on described testing result the switching of described radio-frequency (RF) switch.
2. switching device shifter according to claim 1 is characterized in that:
In described testing result is described zooming out under the situation that antenna is used, and described central processing unit is controlled described radio-frequency (RF) switch and is connected to the described antenna that zooms out;
In initialization or described testing result is described zooming out under the situation that antenna is not used, and described central processing unit is controlled described radio-frequency (RF) switch and is connected to described built-in aerial.
3. switching device shifter according to claim 1 is characterized in that, described radio-frequency (RF) switch is the two switches of putting of hilted broadsword.
4. switching device shifter according to claim 1 is characterized in that, the described antennal interface that zooms out further comprises and is used to detect the described checkout gear that zooms out the user mode of antenna.
5. switching device shifter according to claim 4 is characterized in that, it is one of following that described checkout gear comprises: mechanical contact device, spring leaf device.
6. a wireless terminal is characterized in that, comprising:
Built-in aerial;
Zoom out antenna;
Be used at described built-in aerial and the described antenna-switching device that switches between antenna that zooms out;
Wherein, described antenna-switching device further comprises:
Radio-frequency (RF) switch and the radio frequency output unit that is connected with described radio-frequency (RF) switch, wherein, described radio-frequency (RF) switch is used for switching at described built-in aerial and described zooming out between the antenna;
Zoom out antennal interface, be connected in described radio-frequency (RF) switch and described zooming out between the antenna, be used to provide the described radio frequency interface that zooms out antenna, detect and describedly zoom out the antenna user mode, and report testing result;
Central processing unit is connected to the described antennal interface that zooms out, and is used for controlling based on described testing result the switching of described radio-frequency (RF) switch.
7. antenna switching method, the wireless terminal that is applied to comprise built-in aerial He zooms out antenna is characterized in that, described method comprises:
Detect the described user mode that zooms out antenna;
Control described built-in aerial and the described handover operation that zooms out the radio-frequency (RF) switch between the antenna according to testing result.
8. changing method according to claim 7 is characterized in that, describedly controls described built-in aerial and the described handover operation that zooms out the radio-frequency (RF) switch between the antenna is specially according to testing result:
In described testing result is described zooming out under the situation that antenna is used, and controls described radio-frequency (RF) switch and is connected to the described antenna that zooms out;
In described testing result is described zooming out under the situation that antenna is not used, and controls described radio-frequency (RF) switch and is connected to described built-in aerial.
9. changing method according to claim 7 is characterized in that, before detecting the described user mode that zooms out antenna, also comprises:
At described built-in aerial and described zooming out described radio-frequency (RF) switch is set between the antenna, and described radio-frequency (RF) switch is set to be connected to described built-in aerial.
10. changing method according to claim 9 is characterized in that:
Described radio-frequency (RF) switch is carried out described handover operation under the control that is connected to the central processing unit that zooms out antennal interface that is used to detect the described user mode that zooms out antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101320891A CN101330323A (en) | 2008-07-24 | 2008-07-24 | Apparatus and method for switching antenna, wireless terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101320891A CN101330323A (en) | 2008-07-24 | 2008-07-24 | Apparatus and method for switching antenna, wireless terminal |
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| CN101330323A true CN101330323A (en) | 2008-12-24 |
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| CNA2008101320891A Pending CN101330323A (en) | 2008-07-24 | 2008-07-24 | Apparatus and method for switching antenna, wireless terminal |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011011999A1 (en) * | 2009-07-31 | 2011-02-03 | 中兴通讯股份有限公司 | Remote antenna device |
| CN102545951A (en) * | 2012-01-11 | 2012-07-04 | 无锡市云感科技股份有限公司 | Wireless remote meter with double antennae |
| CN102780793A (en) * | 2012-07-20 | 2012-11-14 | 惠州Tcl移动通信有限公司 | Mobile terminal compatible with internal antenna and external antenna |
| CN103248409A (en) * | 2012-02-01 | 2013-08-14 | 启碁科技股份有限公司 | Antenna device and antenna switching circuit |
| CN103682634A (en) * | 2012-09-10 | 2014-03-26 | 上海斐讯数据通信技术有限公司 | Antenna system and wireless gateway device |
| CN103712406A (en) * | 2012-09-28 | 2014-04-09 | 海信（山东）冰箱有限公司 | Refrigerator with dual antennas and refrigerator control method |
| CN104202842A (en) * | 2014-09-26 | 2014-12-10 | 上海斐讯数据通信技术有限公司 | Method used for enabling MiFi equipment to be compatible with external antenna |
| US9123989B2 (en) | 2012-01-19 | 2015-09-01 | Wistron Neweb Corp. | Antenna apparatus and antenna switch circuit |
| CN105487086A (en) * | 2014-09-19 | 2016-04-13 | 成都国星通信有限公司 | Device and method for antenna automatic identification and switching |
| CN105759137A (en) * | 2014-12-19 | 2016-07-13 | 神讯电脑(昆山)有限公司 | Coaxial pass-through testing method for machine |
| CN106532223A (en) * | 2016-10-31 | 2017-03-22 | 努比亚技术有限公司 | External antenna unit, terminal and antenna usage method |
| CN109302205A (en) * | 2017-07-25 | 2019-02-01 | 中兴通讯股份有限公司 | A kind of multi-functional pico RRU and implementation method |
| CN113922833A (en) * | 2021-09-10 | 2022-01-11 | 青岛海信移动通信技术股份有限公司 | Terminal, radio frequency front end and antenna detection method |
| CN114123153A (en) * | 2020-08-31 | 2022-03-01 | 中国移动通信集团重庆有限公司 | Active antenna unit integrated remote air switch of base station and base station |
| CN117560031A (en) * | 2024-01-11 | 2024-02-13 | 南京芮捷电子科技有限公司 | Switchable inner and outer combined antenna and control method |
| CN118157717A (en) * | 2024-02-22 | 2024-06-07 | 广州通则康威科技股份有限公司 | Switching method and system of CPE cellular antenna |
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2008
- 2008-07-24 CN CNA2008101320891A patent/CN101330323A/en active Pending
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011011999A1 (en) * | 2009-07-31 | 2011-02-03 | 中兴通讯股份有限公司 | Remote antenna device |
| CN102545951A (en) * | 2012-01-11 | 2012-07-04 | 无锡市云感科技股份有限公司 | Wireless remote meter with double antennae |
| CN102545951B (en) * | 2012-01-11 | 2013-12-11 | 无锡市云感科技股份有限公司 | Wireless remote meter with double antennae |
| US9123989B2 (en) | 2012-01-19 | 2015-09-01 | Wistron Neweb Corp. | Antenna apparatus and antenna switch circuit |
| CN103248409A (en) * | 2012-02-01 | 2013-08-14 | 启碁科技股份有限公司 | Antenna device and antenna switching circuit |
| CN102780793A (en) * | 2012-07-20 | 2012-11-14 | 惠州Tcl移动通信有限公司 | Mobile terminal compatible with internal antenna and external antenna |
| CN103682634B (en) * | 2012-09-10 | 2018-05-18 | 上海斐讯数据通信技术有限公司 | Antenna system and wireless gateway device |
| CN103682634A (en) * | 2012-09-10 | 2014-03-26 | 上海斐讯数据通信技术有限公司 | Antenna system and wireless gateway device |
| CN103712406A (en) * | 2012-09-28 | 2014-04-09 | 海信（山东）冰箱有限公司 | Refrigerator with dual antennas and refrigerator control method |
| CN103712406B (en) * | 2012-09-28 | 2016-09-07 | 海信（山东）冰箱有限公司 | A kind of refrigerator with double antenna and control method thereof |
| CN105487086A (en) * | 2014-09-19 | 2016-04-13 | 成都国星通信有限公司 | Device and method for antenna automatic identification and switching |
| CN104202842A (en) * | 2014-09-26 | 2014-12-10 | 上海斐讯数据通信技术有限公司 | Method used for enabling MiFi equipment to be compatible with external antenna |
| CN105759137A (en) * | 2014-12-19 | 2016-07-13 | 神讯电脑(昆山)有限公司 | Coaxial pass-through testing method for machine |
| CN105759137B (en) * | 2014-12-19 | 2018-09-18 | 神讯电脑(昆山)有限公司 | The coaxial via test method of board |
| CN106532223A (en) * | 2016-10-31 | 2017-03-22 | 努比亚技术有限公司 | External antenna unit, terminal and antenna usage method |
| CN109302205A (en) * | 2017-07-25 | 2019-02-01 | 中兴通讯股份有限公司 | A kind of multi-functional pico RRU and implementation method |
| CN114123153A (en) * | 2020-08-31 | 2022-03-01 | 中国移动通信集团重庆有限公司 | Active antenna unit integrated remote air switch of base station and base station |
| CN114123153B (en) * | 2020-08-31 | 2024-05-24 | 中国移动通信集团重庆有限公司 | Active antenna unit integrated remote air switch of base station and base station |
| CN113922833A (en) * | 2021-09-10 | 2022-01-11 | 青岛海信移动通信技术股份有限公司 | Terminal, radio frequency front end and antenna detection method |
| CN117560031A (en) * | 2024-01-11 | 2024-02-13 | 南京芮捷电子科技有限公司 | Switchable inner and outer combined antenna and control method |
| CN117560031B (en) * | 2024-01-11 | 2024-03-22 | 南京芮捷电子科技有限公司 | Switchable inner and outer combined antenna and control method |
| CN118157717A (en) * | 2024-02-22 | 2024-06-07 | 广州通则康威科技股份有限公司 | Switching method and system of CPE cellular antenna |
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Application publication date: 20081224 |