CN104701625B - Possesses the antenna module of decoupling function, decoupling method conciliates coupled system - Google Patents
Possesses the antenna module of decoupling function, decoupling method conciliates coupled system Download PDFInfo
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- CN104701625B CN104701625B CN201510115712.2A CN201510115712A CN104701625B CN 104701625 B CN104701625 B CN 104701625B CN 201510115712 A CN201510115712 A CN 201510115712A CN 104701625 B CN104701625 B CN 104701625B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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Abstract
The present invention provides a kind of antenna module for possessing decoupling function, decoupling method to conciliate coupled system, wherein, possess the antenna module of decoupling function, including：At least two antennas being connected in parallel, there are coupling frequency during the work time at least two antenna；Decoupling module, is connected between any two antennas at least two antenna, including：At least one decoupling unit, wherein, each decoupling unit includes the capacitance and inductance for being connected in parallel and/or being connected in series, and each decoupling unit is used to carry out decoupling processing to any two described antennas；Switch element, is connected to each decoupling unit, for controlling the working status of each decoupling unit.By technical scheme, the coupled problem in antenna module in correlation technique is overcome, and realizes the uncoupled effect in broadband, reduces the mutual interference phenomenon in antenna module.
Description
Technical field
The present invention relates to antenna technical field, in particular to a kind of antenna module for possessing decoupling function, one kind
Decoupling method and a kind of decoupling system.
Background technology
In the related art, mutiple antennas is usually set on terminal device, the signal of transmitting-receiving different frequency is respectively used to, is
Reduce coupling frequency of the mutiple antennas during receiving and transmitting signal, generally use passive antenna, grid metal are mainlyly and decoupling
The schemes such as clutch part realize decoupling process, and still, relevant decoupling scheme has the disadvantage that：
(1) passive antenna scheme：It is next special decoupling that an antenna will be had more, for the small-sized shifting that antenna headroom is limited
For dynamic terminal, it is difficult to provide the space of passive antenna, and it can only realize that arrowband is decoupling；
(2) grid metal main ground scheme：Rasterizing is carried out to ground connection, but for the miniaturization terminal such as mobile phone, gold
Owner has more metal device on the ground, it is impossible to all flutings；
(3) decoupling device solution：More difficult to make that broadband full frequency band is decoupling, especially the frequency range of LTE is wider at this stage,
The actually more difficult whole LTE frequency ranges of covering of decoupling device
Therefore, how to design a kind of adjustable decoupling antenna module of broadband becomes technical problem urgently to be resolved hurrily.
The content of the invention
The present invention is based at least one above-mentioned technical problem, it is proposed that a kind of new have the function of decoupling antenna
Component conciliates coupling scheme.
In view of this, the present invention proposes a kind of antenna module for possessing decoupling function, including：It is connected in parallel at least
Two antennas, there are coupling frequency during the work time at least two antenna；Decoupling module, be connected to it is described at least
Between any two antennas in two antennas, including：At least one decoupling unit, wherein, each decoupling unit bag
Include the capacitance and inductance for being connected in parallel and/or being connected in series, each decoupling unit be used for any two described antennas into
The decoupling processing of row；Switch element, is connected to each decoupling unit, for controlling the work of each decoupling unit
Make state.
In the technical scheme, by setting decoupling module between at least two antennas, and in decoupling module
Switch element and decoupling unit are set, it is possible to achieve adjustable decoupling effect between at least two antennas, and solve
The bandwidth of coupling frequency can cover the frequency range of LTE network.
Specifically, when obtaining the working frequency of at least two antennas, the coupling frequency of two antennas is obtained, according to coupling
The closure state of FREQUENCY CONTROL switch element, closing of circuit or pass where at least one decoupling unit of switch element control
It is disconnected, namely switch element is in the corresponding decoupling cell operation of same time control coupling frequency, or switch element is same
Multiple decoupling units that time control includes coupling frequency cooperate.
In the above-mentioned technical solutions, it is preferable that the decoupling module further includes：The frequency detecting unit that is connected in series and
Control unit, wherein, the frequency detecting unit is used for the work of any two antennas corresponding to the decoupling module
State is detected；And when detecting any two described Antenna Operations, by the coupling frequency of any two antennas send to
Described control unit, described control unit generate control signaling according to the coupling frequency and send to the switch element, with
The working status of the decoupling module is controlled for the switch element.
In the technical scheme, decoupling is realized by setting gradually frequency monitoring unit, control unit and switch element
Conjunction process, can effectively realize one-to-one control process of the switch element to decoupling unit, namely more accurately control solution
The course of work of coupling module, and the premise that Uncoupled procedure carries out is that two antennas work at the same time, the work when two antennas are different
As when be not required decoupling module to work, therefore, the detection for the working status of antenna can be with effectively save decoupling
The power consumption of module.
In the above-mentioned technical solutions, it is preferable that the switch element includes：Selector switch, is connected in series in the control
Between unit processed and the decoupling unit, the selector switch control the control signaling it is corresponding one it is described decoupling
Circuit turn-on where unit.
In the technical scheme, by the man-to-man control for setting switch element to realize to decoupling unit, into one
The accurate control to the Uncoupled procedure of two Anneta modules is realized to step, and since switch element is small, can effectively be subtracted
The volume of the circuit board of small terminal, while ensure to reduce mutual interference when two antennas work at the same time.
According to another aspect of the present invention, it is also proposed that a kind of decoupling method, including：Work in the antenna module
When, control the frequency detecting unit to obtain the coupling frequency and send to described control unit；Control described control unit
The control signaling corresponding with the coupling frequency is generated according to the coupling frequency；According to control signaling control
Circuit where the corresponding one group of capacitance and inductance for being connected in parallel or being connected in series of conducting of selector switch.
In the technical scheme, by control frequency monitoring unit by the coupling frequency of acquisition send to selector switch with
Turn on the circuit where the corresponding one group capacitance and inductance for being connected in parallel or being connected in series, it is possible to achieve at least two antennas it
Between adjustable decoupling effect, and the bandwidth of decoupling frequency can cover the frequency range of LTE network, and due to selector switch
Adjustable characteristic, it is ensured that the high matching degree of decoupling unit and coupled power, at utmost to reduce the signal of antenna
Mutual interference.
In the above-mentioned technical solutions, it is preferable that control the frequency detecting unit to obtain the coupling frequency and send extremely
Described control unit, including step in detail below：Judge whether any two described antennas work at the same time；Judge it is described any two
When antenna works at the same time, the frequency detecting unit is controlled to calculate the coupling frequency of any two antennas；Control the frequency
Detection unit sends the coupling frequency of calculating to described control unit.
In the technical scheme, decoupling is realized by setting gradually frequency monitoring unit, control unit and switch element
Conjunction process, can effectively realize one-to-one control process of the switch element to decoupling unit, namely more accurately control solution
The course of work of coupling module, and the premise that Uncoupled procedure carries out is that two antennas work at the same time, the work when two antennas are different
As when be not required decoupling module to work, therefore, the detection for the working status of antenna can be with effectively save decoupling
The power consumption of module.
In the above-mentioned technical solutions, it is preferable that the working frequency of the decoupling module is in the work frequency of LTE core network
In section.
In the technical scheme, it is in by setting the working frequency of decoupling module in the working frequency range of LTE core network,
It can efficiently control the frequency coupling reduced between two antennas when terminal accesses LTE core network, can effectively improve
Communication quality.
According to the third aspect of the invention we, it is also proposed that a kind of decoupling system, including：Control unit, including：Obtain single
Member, for when the antenna module works, controlling the frequency detecting unit to obtain the coupling frequency；Transmitting element, is used
Sent in by the coupling frequency to described control unit；Generation unit, for controlling described control unit according to the coupling
Frequency generates the control signaling corresponding with the coupling frequency；And onunit, for according to the control signaling control
Make the circuit where the corresponding one group of capacitance and inductance for being connected in parallel or being connected in series of conducting of the selector switch.
In the technical scheme, by control frequency monitoring unit by the coupling frequency of acquisition send to selector switch with
Turn on the circuit where the corresponding one group capacitance and inductance for being connected in parallel or being connected in series, it is possible to achieve at least two antennas it
Between adjustable decoupling effect, and the bandwidth of decoupling frequency can cover the frequency range of LTE network, and due to selector switch
Adjustable characteristic, it is ensured that the high matching degree of decoupling unit and coupled power, at utmost to reduce the signal of antenna
Mutual interference.
In the above-mentioned technical solutions, it is preferable that described control unit further includes：Judging unit, for judging described wantonly two
Whether a antenna works at the same time；Computing unit, for when judging that any two described antennas work at the same time, controlling the frequency to examine
Survey the coupling frequency that unit calculates any two antennas；The transmitting element is additionally operable to, and controls the frequency detecting unit will
The coupling frequency calculated is sent to described control unit.
In the technical scheme, decoupling is realized by setting gradually frequency monitoring unit, control unit and switch element
Conjunction process, can effectively realize one-to-one control process of the switch element to decoupling unit, namely more accurately control solution
The course of work of coupling module, and the premise that Uncoupled procedure carries out is that two antennas work at the same time, the work when two antennas are different
As when be not required decoupling module to work, therefore, the detection for the working status of antenna can be with effectively save decoupling
The power consumption of module.
In the above-mentioned technical solutions, it is preferable that the working frequency of the decoupling module is in the work frequency of LTE core network
In section.
In the technical scheme, it is in by setting the working frequency of decoupling module in the working frequency range of LTE core network,
It can efficiently control the frequency coupling reduced between two antennas when terminal accesses LTE core network, can effectively improve
Communication quality.
According to the fourth aspect of the invention, it is also proposed that a kind of terminal, including：Such as above-mentioned any one of them decoupling syzygy
System.
By above technical scheme, by setting decoupling module between at least two antennas, and in decoupling unit
Middle setting switch element and decoupling unit, it is possible to achieve adjustable decoupling effect between at least two antennas, and
The bandwidth of decoupling frequency can cover the frequency range of LTE network.
Brief description of the drawings
Fig. 1 shows the structure diagram of the antenna module according to an embodiment of the invention for possessing decoupling function；
Fig. 2 shows the schematic flow diagram of decoupling method according to an embodiment of the invention；
Fig. 3 shows the schematic block diagram of decoupling system according to an embodiment of the invention；
Fig. 4 shows the antenna module according to an embodiment of the invention for possessing decoupling function in the decoupling of narrow frequency range
Effect.
Fig. 5 shows the antenna module according to an embodiment of the invention for possessing decoupling function in the decoupling of wide-band
Effect.
Embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the case where there is no conflict, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented using other different from other modes described here, therefore, protection scope of the present invention and from described below
Specific embodiment limitation.
Fig. 1 shows the structure diagram of the antenna module according to an embodiment of the invention for possessing decoupling function.
As shown in Figure 1, the antenna module according to an embodiment of the invention for possessing decoupling function, including：It is connected in parallel
At least two antennas (antenna 1 and antenna 2 in such as Fig. 1), there is coupling at least two antenna during the work time
Frequency；Decoupling module 3, is connected between any two antennas at least two antenna, including：It is at least one decoupling
Unit 31, wherein, each decoupling unit 31 includes the capacitance and inductance for being connected in parallel and/or being connected in series, Mei Gesuo
Decoupling unit 31 is stated to be used to carry out decoupling processing to any two described antennas；Switch element, is connected to each decoupling
Unit 31 is closed, for controlling the working status of each decoupling unit 31.
In the technical scheme, by setting decoupling module 3 between at least two antennas, and in decoupling module 3
Middle setting switch element and decoupling unit 31, it is possible to achieve adjustable decoupling effect between at least two antennas,
And the bandwidth of decoupling frequency can cover the frequency range of LTE network.
Specifically, when obtaining the working frequency of at least two antennas, the coupling frequency of two antennas is obtained, according to coupling
The closure state of FREQUENCY CONTROL switch element, closing of circuit where at least one decoupling unit 31 of switch element control or
Shut-off, namely switch element work in the corresponding decoupling unit 31 of same time control coupling frequency, or switch element exists
Multiple decoupling units 31 that same time control includes coupling frequency cooperate.
In the above-mentioned technical solutions, it is preferable that the decoupling module 3 further includes：The frequency detecting unit being connected in series
32 and control unit 33, wherein, the frequency detecting unit 32 is used for any two described days corresponding to the decoupling module 3
The working status of line is detected；And when detecting any two described Antenna Operations, by the coupling frequency of any two antennas
Rate sends to described control unit 33, described control unit 33 and generates control signaling according to the coupling frequency and send to described
Switch element, so that the switch element controls the working status of the decoupling module 3.
In the technical scheme, by setting gradually frequency monitoring unit 32, control unit 33 and switch element to realize
Decoupling process, can effectively realize one-to-one control process of the switch element to decoupling unit 31, namely more accurately
The course of work of decoupling module 3 is controlled, and the premise that Uncoupled procedure carries out is that two antennas work at the same time, in two antennas not
It is not required decoupling module 3 to work when working at the same time, therefore, the detection for the working status of antenna can be effectively save
The power consumption of decoupling module 3.
In the above-mentioned technical solutions, it is preferable that the switch element includes：Selector switch, is connected in series in the control
Between unit 33 processed and the decoupling unit 31, the selector switch controls the corresponding solution of the control signaling
Circuit turn-on where coupling unit 31.
In the technical scheme, by the man-to-man control for setting switch element to realize to decoupling unit 31, into
The accurate control to the Uncoupled procedure of two Anneta modules is realized to one step, and since switch element is small, can be effective
Reduce the volume of the circuit board of terminal, while ensure to reduce mutual interference when two antennas work at the same time.
Fig. 2 shows the schematic flow diagram of decoupling method according to an embodiment of the invention.
As shown in Fig. 2, decoupling method according to an embodiment of the invention, including：Step 102, in the antenna module
During work, control the frequency detecting unit to obtain the coupling frequency and send to described control unit；Step 104, control
Described control unit generates the control signaling corresponding with the coupling frequency according to the coupling frequency；Step 106, according to
The control signaling controls the corresponding one group of capacitance and inductance for being connected in parallel or being connected in series of conducting of the selector switch
The circuit at place.
In the technical scheme, by control frequency monitoring unit by the coupling frequency of acquisition send to selector switch with
Turn on the circuit where the corresponding one group capacitance and inductance for being connected in parallel or being connected in series, it is possible to achieve at least two antennas it
Between adjustable decoupling effect, and the bandwidth of decoupling frequency can cover the frequency range of LTE network, and due to selector switch
Adjustable characteristic, it is ensured that the high matching degree of decoupling unit and coupled power, at utmost to reduce the signal of antenna
Mutual interference.
In the above-mentioned technical solutions, it is preferable that control the frequency detecting unit to obtain the coupling frequency and send extremely
Described control unit, including step in detail below：Judge whether any two described antennas work at the same time；Judge it is described any two
When antenna works at the same time, the frequency detecting unit is controlled to calculate the coupling frequency of any two antennas；Control the frequency
Detection unit sends the coupling frequency of calculating to described control unit.
In the technical scheme, decoupling is realized by setting gradually frequency monitoring unit, control unit and switch element
Conjunction process, can effectively realize one-to-one control process of the switch element to decoupling unit, namely more accurately control solution
The course of work of coupling module, and the premise that Uncoupled procedure carries out is that two antennas work at the same time, the work when two antennas are different
As when be not required decoupling module to work, therefore, the detection for the working status of antenna can be with effectively save decoupling
The power consumption of module.
In the above-mentioned technical solutions, it is preferable that the working frequency of the decoupling module is in the work frequency of LTE core network
In section.
In the technical scheme, it is in by setting the working frequency of decoupling module in the working frequency range of LTE core network,
It can efficiently control the frequency coupling reduced between two antennas when terminal accesses LTE core network, can effectively improve
Communication quality.
Fig. 3 shows the schematic block diagram of decoupling system according to an embodiment of the invention.
As shown in figure 3, decoupling system 300 according to an embodiment of the invention, including：Control unit 302, including：Obtain
Unit 3021 is taken, for when the antenna module works, controlling the frequency detecting unit to obtain the coupling frequency；Send
Unit 3022, for sending the coupling frequency to described control unit；Generation unit 3023, for controlling the control single
Member generates the control signaling corresponding with the coupling frequency according to the coupling frequency；And onunit 3024, it is used for
According to the control signaling control the selector switch the corresponding one group of capacitance for being connected in parallel or being connected in series of conducting and
Circuit where inductance.
In the technical scheme, by control frequency monitoring unit by the coupling frequency of acquisition send to selector switch with
Turn on the circuit where the corresponding one group capacitance and inductance for being connected in parallel or being connected in series, it is possible to achieve at least two antennas it
Between adjustable decoupling effect, and the bandwidth of decoupling frequency can cover the frequency range of LTE network, and due to selector switch
Adjustable characteristic, it is ensured that the high matching degree of decoupling unit and coupled power, at utmost to reduce the signal of antenna
Mutual interference.
In the above-mentioned technical solutions, it is preferable that described control unit 302 further includes：Judging unit 3025, for judging
State whether any two antennas work at the same time；Computing unit 3026, for when judging that any two described antennas work at the same time, controlling
The frequency detecting unit calculates the coupling frequency of any two antennas；The transmitting element 3022 is additionally operable to, described in control
Frequency detecting unit sends the coupling frequency of calculating to described control unit.
In the technical scheme, decoupling is realized by setting gradually frequency monitoring unit, control unit and switch element
Conjunction process, can effectively realize one-to-one control process of the switch element to decoupling unit, namely more accurately control solution
The course of work of coupling module, and the premise that Uncoupled procedure carries out is that two antennas work at the same time, the work when two antennas are different
As when be not required decoupling module to work, therefore, the detection for the working status of antenna can be with effectively save decoupling
The power consumption of module.
In the above-mentioned technical solutions, it is preferable that the working frequency of the decoupling module is in the work frequency of LTE core network
In section.
In the technical scheme, it is in by setting the working frequency of decoupling module in the working frequency range of LTE core network,
It can efficiently control the frequency coupling reduced between two antennas when terminal accesses LTE core network, can effectively improve
Communication quality.
Fig. 4 shows the antenna module according to an embodiment of the invention for possessing decoupling function in the decoupling of narrow frequency range
Effect.
Fig. 5 shows the antenna module according to an embodiment of the invention for possessing decoupling function in the decoupling of wide-band
Effect.
Specifically, by between two or more antennas in parallel multiple lamped elements (such as inductance, capacitance etc.) realize
Coupling between antenna reduces, while lamped element can switch over control by switch, there is different more class values, so as to
To cover wider band limits.
It is in parallel by a chip (this integrated chip switching switch, control circuit, capacitor element storehouse and inductance component storehouse)
Switch between two antennas, and with the switching of working frequency, for example, when being operated in 1.8GHz, the switch meeting in chip
Required decoupling capacitor and inductor value during 1.8GHz is switched to, so that antenna has good decoupling in 1.8GHz
Can, it is also such when being operated in other frequency ranges similarly.
Technical scheme is described in detail above in association with attached drawing, it is contemplated that it is adjustable how to design a kind of broadband
The technical problem of decoupling antenna module.Therefore, the present invention propose it is a kind of it is new have the function of decoupling antenna module with
Decoupling scheme, by setting decoupling module between at least two antennas, and sets switch in the decoupling unit
Unit and decoupling unit, it is possible to achieve adjustable decoupling effect between at least two antenna, and it is decoupling
The bandwidth of frequency can cover the frequency range of LTE network.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
- A kind of 1. antenna module for possessing decoupling function, it is characterised in that including：At least two antennas being connected in parallel, there are coupling frequency during the work time at least two antenna；Decoupling module, is connected between any two antennas at least two antenna, including：At least one decoupling unit, wherein, each decoupling unit includes the capacitance for being connected in parallel and/or being connected in series And inductance, each decoupling unit are used to carry out decoupling processing to any two described antennas；Switch element, is connected to each decoupling unit, for controlling the working status of each decoupling unit；The decoupling module further includes：The frequency detecting unit and control unit being connected in series,Wherein, the frequency detecting unit be used for the working statuses of any two antennas corresponding to the decoupling module into Row detection；And when detecting any two described Antenna Operations, the coupling frequency of any two antennas is sent single to the control Member, described control unit generates control signaling according to the coupling frequency and sends to the switch element, for the switch Unit controls the working status of the decoupling module.
- 2. the antenna module according to claim 1 for possessing decoupling function, it is characterised in that the switch element bag Include：Selector switch, is connected in series between described control unit and the decoupling unit, the selector switch control Circuit turn-on where the corresponding decoupling unit of the control signaling.
- 3. a kind of decoupling method, suitable for possessing the antenna module of decoupling function as claimed in claim 1 or 2, it is special Sign is, including：When the antenna module works, control the frequency detecting unit to obtain the coupling frequency and send to the control Unit；Described control unit is controlled to generate the control signaling corresponding with the coupling frequency according to the coupling frequency；Corresponding one group of the conducting of the selector switch of the switch element is controlled to be connected in parallel or go here and there according to the control signaling Join the circuit where the capacitance and inductance of connection.
- 4. decoupling method according to claim 3, it is characterised in that control the frequency detecting unit to obtain the coupling Sum of fundamental frequencies rate is simultaneously sent to described control unit, including step in detail below：Judge whether any two described antennas work at the same time；When judging that any two described antennas work at the same time, the frequency detecting unit is controlled to calculate the coupling of any two antennas Sum of fundamental frequencies rate；The frequency detecting unit is controlled to send the coupling frequency of calculating to described control unit.
- 5. decoupling method according to claim 4, it is characterised in that the working frequency of the decoupling module is in In the working frequency range of LTE core network.
- 6. a kind of decoupling system, suitable for possessing the antenna module of decoupling function as claimed in claim 1 or 2, it is special Sign is, including：Control unit, including：Acquiring unit, for when the antenna module works, controlling the frequency detecting unit to obtain the coupling frequency；Transmitting element, for sending the coupling frequency to described control unit；Generation unit, for controlling described control unit according to coupling frequency generation is corresponding with the coupling frequency Control signaling；AndOnunit, for being controlled the conducting of selector switch of the switch element one group corresponding according to the control signaling Circuit where the capacitance and inductance that are connected in parallel or are connected in series.
- 7. decoupling system according to claim 6, it is characterised in that described control unit further includes：Judging unit, for judging whether any two described antennas work at the same time；Computing unit, for when judging that any two described antennas work at the same time, controlling described in the frequency detecting unit calculating The coupling frequency of any two antennas；The transmitting element is additionally operable to, and controls the frequency detecting unit to send the coupling frequency of calculating to the control Unit.
- 8. decoupling system according to claim 7, it is characterised in that the working frequency of the decoupling module is in In the working frequency range of LTE core network.
- A kind of 9. terminal, it is characterised in that including：Decoupling system as any one of claim 6 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510115712.2A CN104701625B (en) | 2015-03-16 | 2015-03-16 | Possesses the antenna module of decoupling function, decoupling method conciliates coupled system |
| PCT/CN2015/082866 WO2016145750A1 (en) | 2015-03-16 | 2015-06-30 | Antenna assembly having decoupling function, decoupling method and system |
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| CN201510115712.2A CN104701625B (en) | 2015-03-16 | 2015-03-16 | Possesses the antenna module of decoupling function, decoupling method conciliates coupled system |
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| CN104701625B (en) * | 2015-03-16 | 2018-05-15 | 酷派软件技术（深圳）有限公司 | Possesses the antenna module of decoupling function, decoupling method conciliates coupled system |
| CN112234344B (en) * | 2019-06-30 | 2022-03-15 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
| CN113555674B (en) * | 2020-04-24 | 2023-03-17 | 深圳市万普拉斯科技有限公司 | Antenna device and mobile terminal |
| CN111817006B (en) * | 2020-07-07 | 2021-12-21 | 西安朗普达通信科技有限公司 | Multichannel tuning decoupling chip |
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| US5507011A (en) * | 1992-12-22 | 1996-04-09 | Murata Manufacturing Co., Ltd. | High-frequency switch including strip line and two switching diodes |
| CN101355196A (en) * | 2007-07-27 | 2009-01-28 | 株式会社东芝 | Antenna apparatus and wireless device |
| CN103346400A (en) * | 2013-06-28 | 2013-10-09 | 宇龙计算机通信科技(深圳)有限公司 | Terminal and method for optimizing antenna isolation degree |
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| WO2016145750A1 (en) | 2016-09-22 |
| CN104701625A (en) | 2015-06-10 |
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