CN106253914B - Antenna assembly and mobile terminal - Google Patents
Antenna assembly and mobile terminal Download PDFInfo
- Publication number
- CN106253914B CN106253914B CN201610624894.0A CN201610624894A CN106253914B CN 106253914 B CN106253914 B CN 106253914B CN 201610624894 A CN201610624894 A CN 201610624894A CN 106253914 B CN106253914 B CN 106253914B
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- Prior art keywords
- duplexer
- frequency range
- default frequency
- module
- antenna
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transceivers (AREA)
Abstract
The present invention, which provides a kind of antenna assembly and mobile terminal, the antenna assembly, to be included：Antenna, front-end module, first duplexer and filtration module；The antenna, front-end module and first duplexer are sequentially connected, and one end of the filtration module is connected at the common node of the front-end module and first duplexer, the other end ground connection of the filtration module；The first duplexer is used for the main carrier component for handling the first default frequency range, the filtration module be used for signal for the second default frequency range by and prevent the signal of the first default frequency range by importing ground so as to which this to be operated in harmonic interference signals caused by the main carrier component of the first default frequency range positioned at the second default frequency range.The indirect filtration module that the present invention passes through common node and ground in first duplexer and front-end module, so as to which harmonic component caused by the main carrier component of the corresponding with first duplexer first default frequency range is imported into ground, realizing reduces the purpose of harmonic wave interference, and with the beneficial effect for reducing insertion loss.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of antenna assembly and mobile terminal.
Background technology
The whole people enter the 4G epoch, and operator requires 4G+ at present, is exactly technically carrier aggregation (Carrier
Aggregation) technology.
Realize that the carrier aggregation of two channels needs two frequency ranges to have a high-isolation in technology, during a band operation,
Another frequency range can not be had influence on, if isolation will not enough influence the reception of another frequency range.Such as B8 frequency ranges and B7 frequencies
During Duan Jinhang carrier aggregations, or when B8 frequency ranges and B3 frequency ranges progress carrier aggregation.Main carrier point of the B8 frequency ranges as main plot
The secondary carrier component of PCC, B3 or B7 as secondary cell is measured, the second harmonic of B8 frequency ranges can fall in the reception band of B3 frequency ranges, B8
The triple-frequency harmonics of frequency range falls in the reception band of B7 frequency ranges, and the signal that can interfere the secondary carrier component of secondary cell receives, shadow
Ring Consumer's Experience.
Using being independent power amplifier, i.e. two frequency ranges separately with different PA, are isolated to increase for MTK and high pass at present
Degree.But one power amplifier of increase can increase radio frequency cost and PCB cloth plate suqare, while poor performance can also influence user
Experience.
The prior art is defective, need to improve.
The content of the invention
The embodiment of the present invention provides a kind of antenna assembly and mobile terminal；To solve existing antenna assembly in carrier aggregation
When produce harmonic wave interference technical problem.
The embodiment of the present invention provides a kind of antenna assembly, including：Antenna, front-end module, first duplexer and filtering mould
Block；The antenna, front-end module and first duplexer are sequentially connected, and one end of the filtration module is connected to the front-end module and
At the common node of one duplexer, the other end ground connection of the filtration module；
The first duplexer is used for the main carrier component for handling the first default frequency range, and the filtration module is used for default for second
The signal of frequency range by and prevent the signal of the first default frequency range by so as to which this to be operated in the main carrier of the first default frequency range
Harmonic interference signals caused by component positioned at the second default frequency range import ground.
In antenna assembly of the present invention, the described second default frequency range includes at least two frequency sub-band, the filtering
Module include at least two respectively with the one-to-one wave filter of at least two frequency sub-band, each wave filter be used to by
The harmonic interference signals of corresponding frequency sub-band import ground.
In antenna assembly of the present invention, in addition to the second duplexer, power amplifier module and reception transmitter；
The first duplexer respectively with the power amplifier module and receive transmitter be connected, second duplexer respectively with the front end mould
Block, power amplifier module and reception transmitter connection；Second duplexer is used for the secondary carrier point for handling the second default frequency range
Amount.
In antenna assembly of the present invention, in addition to multiple 3rd duplexers, the multiple 3rd duplexer difference
It is connected with the front-end module, power amplifier module and reception transmitter.
In antenna assembly of the present invention, the power amplifier module includes a multiband power amplifier, described
Multiband power amplifier respectively with the reception transmitter, the first duplexer, second duplexer and described more
Individual 3rd duplexer connection.
In antenna assembly of the present invention, the power amplifier module includes an one-segment power amplifier and one
Multiband power amplifier, the one-segment power amplifier connect with the reception transmitter and the first duplexer respectively
Connect, the multiband power amplifier respectively with the reception transmitter, second duplexer and the multiple 3rd pair
Work device connects.
In antenna assembly of the present invention, the described first default frequency range is B8 frequency ranges, and the described second default frequency range is
B3 frequency ranges or B7 frequency ranges.
In antenna assembly of the present invention, the front-end module includes duplexer and frequency demultiplexer, the antenna,
The frequency demultiplexer and the duplexer are sequentially connected, the duplexer respectively with the first duplexer, the second duplexer
And the plurality of 3rd duplexer connection.
In antenna assembly of the present invention, in addition to modem, the modem connect with the transmitting
Receive device connection.
Present invention also offers a kind of mobile terminal, the antenna assembly described in any of the above-described.
Compared to prior art, the present invention is indirectly by the common node and ground in first duplexer and front-end module
One filtration module, so as to which harmonic component caused by the main carrier component of the corresponding with first duplexer first default frequency range be imported
Ground, the purpose for reducing harmonic wave interference is realized, and with the beneficial effect for reducing insertion loss.
Brief description of the drawings
Fig. 1 is the structure chart of a preferred embodiment of the antenna assembly of the present invention；
Fig. 2 is the structure chart of another preferred embodiment of the antenna assembly of the present invention；
Fig. 3 is the structure chart of the preferred embodiment of the mobile terminal of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other implementation that those skilled in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Embodiment one
Fig. 1 is refer to, Fig. 1 is the structure chart of the first preferred embodiment of the antenna assembly of the present invention.This preferred embodiment
Antenna assembly 100 include：Antenna 101, front-end module 102, first duplexer 103, the duplex of power amplifier module 104, second
Device 105, receive transmitter 106, modem 107, filtration module 108 and multiple 3rd duplexers 109.
Wherein, the antenna 101 is connected with front-end module 102, the first duplexer 103 respectively with front-end module 102, the work(
Rate amplification module 104 and reception transmitter 106 connect.Second duplexer 105 is put with the front-end module 102, power respectively
Big module 104 and reception transmitter 106 connect.One end of the filtration module 108 is connected to the front-end module 102 and first pair
At the common node of work device 103, the other end ground connection of the filtration module 108.
The first duplexer 103, the second duplexer 106, the 3rd duplexer 109 are conventional duplexer.This first pair
Work device 103 is used to handle the main carrier component for being operated in the first default frequency range, and it is default that second duplexer 105 is used for processing second
The secondary carrier component of frequency range.The filtration module 108 be used for signal for the second default frequency range by and prevent the first default frequency range
Signal by so as to which harmonic wave caused by the main carrier component positioned at the first default frequency range positioned at the second default frequency range be done
Disturb signal and import ground.
The modem 107, the reception transmitter 106, the one-segment power amplifier 1041, the first duplexer
103rd, the front-end module 102 and the antenna 101 are in turn connected to form the transmitting path of the main carrier component of the first default frequency range.
The antenna 101, the front-end module 102, the first duplexer 103, the reception transmitter 106 and the modem 107 according to
The receiving channel of the secondary main carrier component for connecting and composing the first default frequency range.
The modem 107, the reception transmitter 106, the multiband power amplifier 1042, second duplexer
105th, the front-end module 102 and the antenna 101 are in turn connected to form the transmitting path of the secondary carrier component of the second default frequency range.
The antenna 101, the front-end module 102, second duplexer 105, the reception transmitter 106 and the modem 107 according to
The receiving channel of the secondary secondary carrier component for connecting and composing the second default frequency range.
Specifically, the front-end module 102 includes frequency demultiplexer 1021 and duplexer 1022, antenna 101, frequency demultiplexer 1021
And duplexer 1022 is sequentially connected.Duplexer 1022 respectively with the first duplexer 103, the second duplexer 105 and
The plurality of 3rd duplexer 109 connects.
The power amplifier module 104 includes an one-segment power amplifier 1041 and a multiband power amplifier
1042, the one-segment power amplifier 1041 is connected with receiving transmitter 106 and first duplexer 103 respectively.The multiband
Power amplifier 1042 is connected with the reception transmitter 106, the second duplexer 105 and multiple 3rd duplexers 109 respectively.Should
One-segment power amplifier 1041 is used to be amplified to the signal for the main carrier component for being operated in the first default frequency range, the multifrequency
Section power amplifier 1042 is used to be amplified to the signal for the secondary carrier component for being operated in the second default frequency range, and for
The main carrier component or secondary carrier component for being operated in other frequency ranges are amplified.
The filtration module 108 can be a high-pass filter, and one end of the high-pass filter is connected to duplexer
1022 with the common node of first duplexer 103, the other end ground connection of the high-pass filter.The high-pass filter is used for for the
The signal of two default frequency ranges by and hinder the signal of the first default frequency range by so as to the master by this positioned at the first default frequency range
Harmonic interference signals caused by carrier component positioned at the second default frequency range import ground.The first default frequency range is B8 frequency ranges, should
Second default frequency range is B3 frequency ranges or B7 frequency ranges.
Or the second default frequency range includes multiple frequency sub-band, the filtration module 108 can also including it is multiple respectively with this
Multiple one-to-one wave filters of frequency sub-band, each wave filter are used to import ground by the harmonic interference signals of corresponding frequency sub-band.
Such as the filtration module 108 includes the first wave filter and the second wave filter, the second default frequency range includes B7 frequency ranges and B3
Frequency range.First wave filter be used for signal for B3 frequency ranges by and prevent the signals of B8 frequency ranges by so as to by B8 frequency ranges
Main carrier component produces second harmonic and imports ground.Second wave filter be used for signal for B7 frequency ranges by and prevent B8 frequency ranges
Signal by, so as to by caused by the transmitting path of the main carrier component of B8 frequency ranges triple-frequency harmonics import ground, avoid influence B3 or
The receiving channel of the secondary carrier component of person's B7 frequency ranges.
It is to be appreciated that as shown in Fig. 2 the power amplifier module 104 can also be only with a multiband power amplification
Device 1042, the multiband section power amplifier 1042 is respectively with receiving transmitter 106, first duplexer 103, the second duplexer
105 and multiple 3rd duplexers 109 connect.The multiband power amplifier 1042 is operated in the first default frequency range for giving
The signal of main carrier component is amplified, for being amplified to the signal for the secondary carrier component for being operated in the second default frequency range,
And for being amplified to the main carrier component or secondary carrier component that are operated in other frequency ranges.
From the foregoing, it will be observed that indirect filtering mould of the present invention by common node and ground in first duplexer and duplexer
Block, so as to which the humorous of frequency range will be preset positioned at second caused by the main carrier component of the corresponding with first duplexer first default frequency range
Wave component imports ground, to avoid the harmonic component from interfering with the reception of the second secondary carrier component for presetting frequency range, so as to realize drop
The purpose that low harmony wave disturbs, and have relative to a wave filter is concatenated in path in the prior art, the present invention also has reduction
The beneficial effect of insertion loss.
Embodiment two
Fig. 3 is refer to, Fig. 3 is the structure chart of a preferred embodiment of the mobile terminal of the present invention.The mobile terminal includes
Antenna assembly 100 and controller 200, data storage 300 in above-described embodiment.The antenna assembly 100 respectively with control
Device 200 and data storage 300 are connected, and the controller 100 is connected with data storage 300.The controller 200 is used to control
The antenna assembly 100 is received or sent data-signal, and the data storage 300 receives for storing antenna assembly 100
The data arrived.When the controller 200 receives trigger signal, control antenna assembly 100, which is sent in the data storage 300, to be stored
The data that either transmit elsewhere of data or when receiving trigger signal, control antenna assembly 100 receives data letter
Number, and the data message in data-signal is stored in the data storage 300.
The antenna assembly of the mobile terminal of the present invention passes through the common node and ground in first duplexer and duplexer
An indirect filtration module, so as to which second will be located at caused by the main carrier component of the corresponding with first duplexer first default frequency range
The harmonic component of default frequency range imports ground, to avoid the harmonic component from interfering with connecing for the second secondary carrier component for presetting frequency range
Receive, so as to realize the purpose for reducing harmonic wave interference, and with the beneficial effect for reducing insertion loss.It is moreover, used herein
Word " preferable " means serving as example, example or illustration.Feng Wen is described as " preferable " any aspect or design need not be solved
It is interpreted as more favourable than other aspects or design.On the contrary, the use of word " preferable " is intended to propose concept in a concrete fashion.Such as this
Term "or" used in application is intended to mean the "or" included and non-excluded "or".I.e., unless otherwise or from upper
Hereinafter clear, " X means that nature includes any one of arrangement using A or B ".That is, if X uses A；X uses B；Or X is used
A and B both, then " X is met using A or B " in foregoing any example.
Moreover, although having shown and described the disclosure relative to one or more implementations, but this area skill
Art personnel are based on the reading to the specification and drawings and understand it will be appreciated that equivalent variations and modification.The disclosure include it is all this
The modifications and variations of sample, and be limited only by the scope of the following claims.In particular, to by said modules (such as element,
Resource etc.) various functions that perform, the term for describing such component is intended to correspond to the specified work(for performing the component
The random component (unless otherwise instructed) of energy (such as it is functionally of equal value), it is illustrated herein with execution in structure
The disclosure exemplary implementations in function open structure it is not equivalent.In addition, although the special characteristic of the disclosure
Through being disclosed relative to the only one in some implementations, but this feature can with such as can be to given or application-specific
For be it is expected and other one or more combinations of features of other favourable implementations.Moreover, with regard to term " comprising ", " tool
Have ", " containing " or its deformation be used in embodiment or claim for, such term be intended to with term
The similar mode of "comprising" includes.
Each functional unit in the embodiment of the present invention can be integrated in a processing module or unit list
Solely be physically present, can also two or more units be integrated in a module.Above-mentioned integrated module can both use
The form of hardware is realized, can also be realized in the form of software function module.If the integrated module is with software function
The form of module is realized and is used as independent production marketing or is situated between in use, a computer-readable storage can also be stored in
In matter.Storage medium mentioned above can be read-only storage, disk or CD etc..Above-mentioned each device or system, can be with
Perform the method in correlation method embodiment.
In summary, although the present invention is disclosed above with preferred embodiment, above preferred embodiment simultaneously is not used to limit
The system present invention, one of ordinary skill in the art, without departing from the spirit and scope of the present invention, it can make various changes and profit
Decorations, therefore protection scope of the present invention is defined by the scope that claim defines.
Claims (6)
- A kind of 1. antenna assembly, it is characterised in that including：Antenna, front-end module, first duplexer, the second duplexer, Duo Ge Three duplexers, receive transmitter, a multiband power amplifier, an one-segment power amplifier and filtration module；The antenna, Front-end module and first duplexer are sequentially connected, and one end of the filtration module is connected to the front-end module and first duplexer At common node, the other end ground connection of the filtration module；The first duplexer respectively with the one-segment power amplifier and receive transmitter be connected, second duplexer respectively with The front-end module, multiband power amplifier and receive transmitter connection, the 3rd duplexer respectively with the front-end module, more Band power amplifier and reception transmitter connection；The antenna, the front-end module, the first duplexer, the reception transmitter are sequentially connected the default frequency of composition first The transmission channel of the main carrier component of section；The antenna, the front-end module, second duplexer, the reception transmitter are sequentially connected the default frequency of composition second The receiving channel of the secondary carrier component of section；The first duplexer is used for the main carrier component for handling the described first default frequency range, and second duplexer is used to handle institute State the secondary carrier component of the second default frequency range；The filtration module be used for signal for the described second default frequency range by and prevent institute The signal of the first default frequency range is stated by being located at institute caused by the main carrier component of the described first default frequency range so as to would operate in The harmonic interference signals for stating the second default frequency range import ground.
- 2. antenna assembly according to claim 1, it is characterised in that the described second default frequency range includes at least two son frequencies Section, the filtration module include at least two respectively with the one-to-one wave filter of at least two frequency sub-band, each filter Ripple device is used to import ground by the harmonic interference signals of corresponding frequency sub-band.
- 3. antenna assembly according to claim 2, it is characterised in that the described first default frequency range is B8 frequency ranges, described the Two default frequency ranges are B3 frequency ranges or B7 frequency ranges.
- 4. antenna assembly according to claim 2, it is characterised in that the front-end module includes duplexer and frequency division Device, the antenna, the frequency demultiplexer and the duplexer are sequentially connected, the duplexer respectively with this first duplex Device, the second duplexer and the connection of the plurality of 3rd duplexer.
- 5. antenna assembly according to claim 2, it is characterised in that also including modem, the modem It is connected with the reception transmitter.
- 6. a kind of mobile terminal, it is characterised in that the day that the mobile terminal is included described in claim any one of 1-5 is traditional thread binding Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610624894.0A CN106253914B (en) | 2016-07-29 | 2016-07-29 | Antenna assembly and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610624894.0A CN106253914B (en) | 2016-07-29 | 2016-07-29 | Antenna assembly and mobile terminal |
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| Publication Number | Publication Date |
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| CN106253914A CN106253914A (en) | 2016-12-21 |
| CN106253914B true CN106253914B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610624894.0A Active CN106253914B (en) | 2016-07-29 | 2016-07-29 | Antenna assembly and mobile terminal |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964700B (en) * | 2017-05-27 | 2020-08-28 | 南宁富桂精密工业有限公司 | Radio frequency circuit |
| CN107317590A (en) * | 2017-06-20 | 2017-11-03 | 广东欧珀移动通信有限公司 | Radio frequency switching circuit chip, radio circuit, antenna assembly and electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162890A (en) * | 2006-10-11 | 2008-04-16 | 泰德广播电视公司 | Canceling distortion |
| CN101395797A (en) * | 2006-03-08 | 2009-03-25 | 京瓷株式会社 | Demultiplexer and communication device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014110744A1 (en) * | 2013-01-16 | 2014-07-24 | 华为终端有限公司 | Multi-frequency antenna feed matching device, multi-frequency antenna, and wireless communication apparatus |
| WO2014125980A1 (en) * | 2013-02-12 | 2014-08-21 | 株式会社村田製作所 | High-frequency module and communication device |
| WO2015053045A1 (en) * | 2013-10-10 | 2015-04-16 | 株式会社村田製作所 | High-frequency front end circuit |
-
2016
- 2016-07-29 CN CN201610624894.0A patent/CN106253914B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101395797A (en) * | 2006-03-08 | 2009-03-25 | 京瓷株式会社 | Demultiplexer and communication device |
| CN101162890A (en) * | 2006-10-11 | 2008-04-16 | 泰德广播电视公司 | Canceling distortion |
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| CN106253914A (en) | 2016-12-21 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: Guangdong Opel Mobile Communications Co., Ltd. |
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