CN105514578A - Antenna system and mobile terminal - Google Patents
Antenna system and mobile terminal Download PDFInfo
- Publication number
- CN105514578A CN105514578A CN201610065281.8A CN201610065281A CN105514578A CN 105514578 A CN105514578 A CN 105514578A CN 201610065281 A CN201610065281 A CN 201610065281A CN 105514578 A CN105514578 A CN 105514578A
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- Prior art keywords
- frequency
- selector
- radio frequency
- matching network
- signal source
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses an antenna system and a mobile terminal. The antenna system comprises at least one sub-antenna system. Each sub-antenna system comprises an antenna irradiator, a first radio frequency selector, a second radio frequency selector, a first signal source, a second signal source, a first matching network and a second matching network, wherein the first radio frequency selector, the second radio frequency selector, the first signal source, the second signal source, the first matching network and the second matching network are arranged on a mainboard of the mobile terminal, and the first matching network and the second matching network are used for regulating antenna resonance frequency; the common terminal of each radio frequency selector is electrically connected with the antenna irradiator, the first signal source and the first matching network are connected with corresponding frequency selecting terminals of the first radio frequency selector and the second radio frequency selector respectively, and the second signal source and the second matching network are connected with other corresponding frequency selecting terminals of the first radio frequency selector and the second radio frequency selector respectively. The number of antenna irradiators in the mobile terminal is reduced, and therefore the space of the mobile terminal is saved.
Description
Technical field
The present invention relates to technical field of mobile terminals, particularly relate to a kind of antenna system and mobile terminal.
Background technology
Current mobile terminal (as mobile phone), all needs to arrange antenna structure, for Received signal strength; Antenna structure includes built-in aerial and external antenna, and along with people require more and more higher to the microminiaturization of mobile terminal, existing mobile terminal is main mainly with built-in aerial.
In the terminal, usually WiFi (wirelessfidelity is provided with, Wireless Fidelity) antenna, GPS (GlobalPositioningSystem, global positioning system) multiple antenna such as antenna of antenna, Bluetooth antenna and radio communication itself, and each antenna is all separately design, occupy the space that mobile terminal is more, make the design of the terminal that volume requirement is more and more less more and more difficult.
Summary of the invention
In view of this, the object of the invention is to propose a kind of antenna system and mobile terminal, to reduce antenna radiator, save the space of mobile terminal.
For achieving the above object, the present invention adopts following technical scheme:
On the one hand, embodiments provide a kind of antenna system, comprise at least one sub antenna system; Described sub antenna system comprises antenna radiator, the first radio frequency frequency-selector, the second radio frequency frequency-selector, the first signal source, secondary signal source, the first matching network and the second matching network, and described first matching network and described second matching network are for regulating antenna resonant frequency;
Described first radio frequency frequency-selector comprises the first frequency-selecting end, the second frequency-selecting end and the first common port, described second radio frequency frequency-selector comprises the 3rd frequency-selecting end, the 4th frequency-selecting end and the second common port, described first radio frequency frequency-selector and described second radio frequency frequency-selector are radio frequency frequency-selector of the same race, described first frequency-selecting end is corresponding with described 3rd frequency-selecting end, and described second frequency-selecting end is corresponding with described 4th frequency-selecting end;
Described first common port and described second common port are electrically connected with described antenna radiator respectively, corresponding with on described first radio frequency frequency-selector and the described second radio frequency frequency-selector respectively frequency-selecting end of described first signal source and described first matching network is connected, and described secondary signal source and described second matching network are connected with frequency-selecting end corresponding in addition on described first radio frequency frequency-selector and described second radio frequency frequency-selector respectively;
Described first signal source, the first radio frequency frequency-selector, antenna radiator, the second radio frequency frequency-selector and the first matching network form the first antenna, and described secondary signal source, the first radio frequency frequency-selector, antenna radiator, the second radio frequency frequency-selector and the second matching network form the second antenna.
On the other hand, embodiments provide a kind of mobile terminal, described mobile terminal comprises the antenna system described in one side face.
The invention has the beneficial effects as follows: a kind of antenna system provided by the invention and mobile terminal, this antenna system comprises at least one sub antenna system, wherein in each sub antenna system, the signal source of two kinds of different frequencies is fed in same antenna radiator by radio frequency frequency-selector, reach the effect of two kinds of antenna duplexers antenna radiator, relatively reduce the quantity of antenna radiator, save the space of mobile terminal.
Accompanying drawing explanation
Exemplary embodiment of the present invention will be described in detail by referring to accompanying drawing below, the person of ordinary skill in the art is more clear that above-mentioned and other feature and advantage of the present invention, in accompanying drawing:
Fig. 1 is the structural representation of the antenna system that the embodiment of the present invention one provides;
Fig. 2 is the structural representation of the antenna system neutron antenna system that the embodiment of the present invention one provides;
Fig. 3 be the embodiment of the present invention one provide the first Antenna Operation time signal transmission path schematic diagram;
Fig. 4 be the embodiment of the present invention one provide the second Antenna Operation time signal transmission path schematic diagram;
Fig. 5 is the structural representation of the antenna system neutron antenna system that the embodiment of the present invention two provides;
Fig. 6 is another structural representation of the antenna system neutron antenna system that the embodiment of the present invention two provides;
Fig. 7 be the embodiment of the present invention two provide WiFi Antenna Operation time signal transmission path schematic diagram;
Fig. 8 be the embodiment of the present invention two provide gps antenna work time signal transmission path schematic diagram.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Embodiment one
The antenna system that the present embodiment provides, it can be used in various mobile terminal, such as, mobile terminal can comprise and carries out through wireless access network and one or more core net the subscriber equipment that communicates, this subscriber equipment can be mobile phone (" honeycomb " phone), have the computer etc. of mobile terminal, such as, subscriber equipment can also be portable, pocket, hand-hold type, built-in computer or vehicle-mounted mobile device, they and wireless access network switched voice and/or data.Again such as, this mobile terminal can comprise mobile phone, panel computer, personal digital assistant PDA, point-of-sale terminal POS or vehicle-mounted computer etc.
Fig. 1 is the structural representation of the antenna system that the embodiment of the present invention one provides.As shown in Figure 1, this antenna system comprises at least one sub antenna system 100; As shown in Figure 2, sub antenna system 100 comprises antenna radiator 10, first radio frequency frequency-selector 11, second radio frequency frequency-selector 12, first signal source 13, secondary signal source 14, first matching network 15 and the second matching network 16, first matching network 15 and the second matching network 16 for regulating antenna resonant frequency;
Wherein, first radio frequency frequency-selector 11 comprises the first frequency-selecting end 18, second frequency-selecting end 19 and the first common port 20, second radio frequency frequency-selector 12 comprises the 3rd frequency-selecting end 21, the 4th frequency-selecting end 22 and the second common port 23, first radio frequency frequency-selector 11 and the second radio frequency frequency-selector 12 are radio frequency frequency-selector of the same race, first frequency-selecting end 18 and the 3rd frequency-selecting end 21 corresponding, the second frequency-selecting end 19 and the 4th frequency-selecting end 22 corresponding; Wherein, first radio frequency frequency-selector 11 and the second radio frequency frequency-selector 12 can be understood as radio frequency frequency-selector of the same race, first radio frequency frequency-selector 11 and the second radio frequency frequency-selector 12 are the radio frequency frequency-selector of same model, or the first radio frequency frequency-selector 11 and the second radio frequency frequency-selector 12 are the radio frequency frequency-selector of different model, but have the frequency-selecting end of two correspondences identical (institute's selected frequency is identical) respectively at least; First frequency-selecting end 18 and the 3rd frequency-selecting end 21 corresponding, second frequency-selecting end 19 and the 4th frequency-selecting end 22 is corresponding refers to the signal that the first frequency-selecting end 18 and the 3rd frequency-selecting end 21 can select same frequency, the second frequency-selecting end 19 and the 4th frequency-selecting end 22 can select the signal of same frequency.
First common port 20 and the second common port 23 are electrically connected with antenna radiator 10 respectively, corresponding with on the first radio frequency frequency-selector 11 and the second radio frequency frequency-selector 12 respectively frequency-selecting end of first signal source 13 and the first matching network 15 is connected, and secondary signal source 14 and the second matching network 16 are connected with frequency-selecting end corresponding in addition on the first radio frequency frequency-selector 11 and the second radio frequency frequency-selector 12 respectively;
First signal source 13, first radio frequency frequency-selector 11, antenna radiator 10, second radio frequency frequency-selector 12 and the first matching network 15 form the first antenna, and secondary signal source 14, first radio frequency frequency-selector 11, antenna radiator 10, second radio frequency frequency-selector 12 and the second matching network 16 form the second antenna.
Wherein, the first signal source 13 is different with the frequency in secondary signal source 14, and the antenna that any two operating frequencies there are differences can form a sub-antenna system of the present embodiment, such as, and WiFi antenna and gps antenna, main antenna and near-field communication NFC antenna etc.; The frequency band of the first radio frequency frequency-selector 11 and the second radio frequency frequency-selector alternative signal, according to the frequency setting in the first signal source 13 and secondary signal source 14.First matching network 15 and the second matching network 16 can be inductance capacitance LC element, concrete component type and component parameters can carry out choose reasonable according to debug results, such as, when debugging finds length relatively short (antenna resonant frequency is less) of antenna radiator 11, matching network can be one section of inductance, and it is connected in series to the frequency-selecting end of radio frequency frequency-selector; When the length of antenna radiator 11 relatively grows (antenna resonant frequency is larger), matching network can be an electric capacity, and it is connected in series to the frequency-selecting end of radio frequency frequency-selector.
See Fig. 2, first signal source 13 can be connected with the first frequency-selecting end 18 of the first radio frequency frequency-selector 11, secondary signal source 14 can be connected with the 4th frequency-selecting end 22 of the second radio frequency frequency-selector 12, accordingly, one end of first matching network 15 is connected with the 3rd frequency-selecting end 21 of the second radio frequency frequency-selector 12, and one end of the second matching network 16 is connected with the second frequency-selecting end 19 of the first radio frequency frequency-selector 11; In addition, first signal source 13 and secondary signal source 14 also can be connected with the first frequency-selecting end 18 of the first radio frequency frequency-selector 11 and the second frequency-selecting end 19 respectively, accordingly, one end of the first matching network 15 and the second matching network 16 is connected with the 3rd frequency-selecting end 21 of the second radio frequency frequency-selector 12 and the 4th frequency-selecting end 22 respectively.
In the present embodiment, when antenna transmits, the signal of two kinds of setpoint frequencies of two kinds of signal source transmittings enters radio frequency frequency-selector through the frequency-selecting end of each self-corresponding radio frequency frequency-selector, the signal of two kinds of setpoint frequencies enters antenna radiator 10 by radio frequency frequency-selector by common port, and the signal of two kinds of setpoint frequencies radiate by antenna radiator 10 in the form of an electromagnetic wave.
Exemplary, see Fig. 3, as shown by the dotted line in fig. 3, during the first Antenna Operation, the signal that first signal source 13 excites enters the first radio frequency frequency-selector 11 by the first frequency-selecting end 18, enter antenna radiator 10 through the first radio frequency frequency-selector 11 by the first common port 20, then enter the second radio frequency frequency-selector 12 by the second common port 23, arrive the first matching network 15 through the second radio frequency frequency-selector 12 by the 3rd frequency-selecting end 21.
See Fig. 4, as shown in phantom in figure 4, during the second Antenna Operation, the signal that secondary signal source 14 excites enters the second radio frequency frequency-selector 12 by the 4th frequency-selecting end 22, antenna radiator 10 is entered by the second common port 23 through the second radio frequency frequency-selector 12, enter the first radio frequency frequency-selector 11 by the first common port 20 again, arrive the second matching network 16 through the first radio frequency frequency-selector 11 by the second frequency-selecting end 19.
The antenna system that the embodiment of the present invention one provides, comprise at least one sub antenna system, wherein in each sub antenna system, the signal source of two kinds of different frequencies is fed in same antenna radiator by radio frequency frequency-selector, reach the effect of two kinds of antenna duplexers antenna radiator, relatively reduce the quantity of antenna radiator, save the space of mobile terminal.
Further, the frequency-selecting end of radio frequency frequency-selector is provided with frequency-selective switch, for selecting required frequency in frequency band selected by radio frequency frequency-selector, improves the quality of Received signal strength.
In such scheme, the first common port 20 and the second common port 23 are connected with antenna radiator 10 by shell fragment or screw or spring needle (pogopin).
Embodiment two
Fig. 5 is the structural representation of the antenna system neutron antenna system that the embodiment of the present invention two provides, the present embodiment antithetical phrase antenna system based on embodiment one carries out specific design, as shown in Figure 5, in above-mentioned antenna system, first signal source 13 of one of them sub antenna system can be WiFi signal source, secondary signal source 14 can be gps signal source, accordingly, first radio frequency frequency-selector 11 and the second radio frequency frequency-selector 12 are WiFi & GPS frequency-selector, wherein, the frequency range of the WiFi signal that can screen is 2.4GHz-2.5GHz, the frequency range of gps signal is 1575.42 ± 10MHz.
See Fig. 5, WiFi signal source 13 is connected with the first frequency-selecting end 18, and one end of the first matching network 15 is connected with the 3rd frequency-selecting end 21, and gps signal source 14 is connected with the second frequency-selecting end 19, and one end of the second matching network 16 is connected with the 4th frequency-selecting end 22.
The structure of the present embodiment sub antenna system also can be as shown in Figure 6, WiFi signal source 13 is connected with the first frequency-selecting end 18, one end of first matching network 15 is connected with the 3rd frequency-selecting end 21, and gps signal source 14 is connected with the 4th frequency-selecting end 22, and one end of the second matching network 16 is connected with the second frequency-selecting end 19.
Further, see Fig. 7, the other end of the first matching network 15 with systematically 17 to be connected.During WiFi Antenna Operation, the signal that WiFi signal source 13 excites enters the first radio frequency frequency-selector 11 by the first frequency-selecting end 18, antenna radiator 10 is entered by the first common port 20 through the first radio frequency frequency-selector 11, the second radio frequency frequency-selector 12 is entered again by the second common port 23, after the second radio frequency frequency-selector 12 arrives the first matching network 15 by the 3rd frequency-selecting end 21, return systematically 17 again, thus, define a loop aerial structure, the resonance frequency of WiFi antenna can be met and reach good radiation efficiency.
Further, see Fig. 8, the other end open circuit of the second pair net 16.During gps antenna work, the signal that gps signal source 14 excites enters the second radio frequency frequency-selector 12 by the 4th frequency-selecting end 22, antenna radiator 10 is entered by the second common port 23 through the second radio frequency frequency-selector 12, the first radio frequency frequency-selector 11 is entered again by the first common port 20, arrived the second matching network 16 being in open-circuit condition by the second frequency-selecting end 19 through the first radio frequency frequency-selector 11, thus, define an inverted-L antenna structure, the resonance frequency of gps antenna can be met and reach good radiation efficiency.
Further, the frequency-selecting end of radio frequency frequency-selector is provided with frequency-selective switch, for selecting required frequency in frequency band selected by radio frequency frequency-selector, improves the quality of Received signal strength.
Preferably, antenna radiator is metal edge frame or the metal battery cover of mobile terminal, and above-mentioned sub antenna system can take a strip metal frame of mobile terminal, saves the space of mobile terminal further.
The antenna system that the embodiment of the present invention two provides, for the different antennae in same sub antenna system, designs the antenna structure of suitable type, effectively improves the radiation efficiency of aerial signal.
Embodiment three
The mobile terminal that the embodiment of the present invention three provides, comprises the antenna system that the embodiment of the present invention provides.
Wherein, mobile terminal can be smart mobile phone, panel computer or personal digital assistant etc.
The mobile terminal that the embodiment of the present invention three provides, comprises the antenna system that the embodiment of the present invention provides, and possesses corresponding function and beneficial effect.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (10)
1. an antenna system, is characterized in that, comprises at least one sub antenna system; Described sub antenna system comprises antenna radiator, the first radio frequency frequency-selector, the second radio frequency frequency-selector, the first signal source, secondary signal source, the first matching network and the second matching network, and described first matching network and described second matching network are for regulating antenna resonant frequency;
Described first radio frequency frequency-selector comprises the first frequency-selecting end, the second frequency-selecting end and the first common port, described second radio frequency frequency-selector comprises the 3rd frequency-selecting end, the 4th frequency-selecting end and the second common port, described first radio frequency frequency-selector and described second radio frequency frequency-selector are radio frequency frequency-selector of the same race, described first frequency-selecting end is corresponding with described 3rd frequency-selecting end, and described second frequency-selecting end is corresponding with described 4th frequency-selecting end;
Described first common port and described second common port are electrically connected with described antenna radiator respectively, corresponding with on described first radio frequency frequency-selector and the described second radio frequency frequency-selector respectively frequency-selecting end of described first signal source and described first matching network is connected, and described secondary signal source and described second matching network are connected with frequency-selecting end corresponding in addition on described first radio frequency frequency-selector and described second radio frequency frequency-selector respectively;
Described first signal source, the first radio frequency frequency-selector, antenna radiator, the second radio frequency frequency-selector and the first matching network form the first antenna, and described secondary signal source, the first radio frequency frequency-selector, antenna radiator, the second radio frequency frequency-selector and the second matching network form the second antenna.
2. antenna system according to claim 1, it is characterized in that, described first signal source of one of them sub antenna system is Wireless Fidelity WiFi signal source, described secondary signal source is global position system GPS signal source, and described first radio frequency frequency-selector and described second radio frequency frequency-selector are WiFi & GPS frequency-selector.
3. antenna system according to claim 2, it is characterized in that, described WiFi signal source is connected with described first frequency-selecting end, one end of described first matching network is connected with described 3rd frequency-selecting end, described gps signal source is connected with described second frequency-selecting end, and one end of described second matching network is connected with described 4th frequency-selecting end.
4. antenna system according to claim 2, it is characterized in that, described WiFi signal source is connected with described first frequency-selecting end, one end of described first matching network is connected with described 3rd frequency-selecting end, described gps signal source is connected with described 4th frequency-selecting end, and one end of described second matching network is connected with described second frequency-selecting end.
5. antenna system according to claim 4, is characterized in that, the other end of described first matching network be systematically connected.
6. antenna system according to claim 4, is characterized in that, the other end open circuit of described second matching network.
7. antenna system according to claim 1, is characterized in that, frequency-selecting end is provided with frequency-selective switch, for selecting required frequency in frequency band selected by radio frequency frequency-selector.
8. antenna system according to claim 1, is characterized in that, described first common port and described second common port are connected with described antenna radiator by shell fragment or screw or spring needle.
9. a mobile terminal, is characterized in that, described mobile terminal comprises the arbitrary described antenna system of claim 1-8.
10. mobile terminal according to claim 9, is characterized in that, described antenna radiator is metal edge frame or the metal battery cover of described mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065281.8A CN105514578A (en) | 2016-01-29 | 2016-01-29 | Antenna system and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065281.8A CN105514578A (en) | 2016-01-29 | 2016-01-29 | Antenna system and mobile terminal |
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| CN105514578A true CN105514578A (en) | 2016-04-20 |
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| CN201610065281.8A Pending CN105514578A (en) | 2016-01-29 | 2016-01-29 | Antenna system and mobile terminal |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106299604A (en) * | 2016-09-14 | 2017-01-04 | 宇龙计算机通信科技(深圳)有限公司 | Antenna assembly and mobile terminal |
| CN108288750A (en) * | 2017-01-10 | 2018-07-17 | 摩托罗拉移动有限责任公司 | With at least partly across the antenna system of the feeder conductor in the gap between the open end of arm |
| CN108493575A (en) * | 2018-03-12 | 2018-09-04 | 广东欧珀移动通信有限公司 | Antenna module and electronic equipment |
| CN108539379A (en) * | 2018-03-27 | 2018-09-14 | 广东欧珀移动通信有限公司 | Antenna system and related product |
| CN110336113A (en) * | 2019-05-09 | 2019-10-15 | 天通凯美微电子有限公司 | A kind of electronic equipment that reconfigurable antenna is integrated with display screen component |
| CN112310610A (en) * | 2019-08-02 | 2021-02-02 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| WO2022160306A1 (en) * | 2021-01-30 | 2022-08-04 | 华为技术有限公司 | Wireless communication apparatus and antenna switching method therefor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299604A (en) * | 2016-09-14 | 2017-01-04 | 宇龙计算机通信科技(深圳)有限公司 | Antenna assembly and mobile terminal |
| CN108288750A (en) * | 2017-01-10 | 2018-07-17 | 摩托罗拉移动有限责任公司 | With at least partly across the antenna system of the feeder conductor in the gap between the open end of arm |
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| CN110336113A (en) * | 2019-05-09 | 2019-10-15 | 天通凯美微电子有限公司 | A kind of electronic equipment that reconfigurable antenna is integrated with display screen component |
| CN112310610A (en) * | 2019-08-02 | 2021-02-02 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| WO2022160306A1 (en) * | 2021-01-30 | 2022-08-04 | 华为技术有限公司 | Wireless communication apparatus and antenna switching method therefor |
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Application publication date: 20160420 |