CN106899315B - An antenna system and mobile terminal - Google Patents
An antenna system and mobile terminal Download PDFInfo
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- CN106899315B CN106899315B CN201710090584.XA CN201710090584A CN106899315B CN 106899315 B CN106899315 B CN 106899315B CN 201710090584 A CN201710090584 A CN 201710090584A CN 106899315 B CN106899315 B CN 106899315B
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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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
- H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
-
- 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
- H04B1/0057—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 diplexing or multiplexing filters for selecting the desired band
-
- 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
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- 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) or DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Transceivers (AREA)
Abstract
The embodiment of the invention provides a kind of antenna system and mobile terminal, which includes: primary antenna, switching circuit, WiFi/GPS antenna, signal processing circuit and mid-range frequency receiver.Wherein, primary antenna exports the dominant frequency segment signal for receiving dominant frequency segment signal, and to signal processing circuit；Switching circuit, for opening the connection between WiFi/GPS antenna and the signal processing circuit when mobile terminal opens carrier aggregation mode；The WiFi/GPS antenna exports the auxiliary frequency segment signal for receiving auxiliary frequency segment signal, and to the signal processing circuit；The signal processing circuit exports the dominant frequency segment signal and the auxiliary frequency segment signal for handling the dominant frequency segment signal and the auxiliary frequency segment signal, and to mid-range frequency receiver；The mid-range frequency receiver, for being demodulated to the dominant frequency segment signal and the auxiliary frequency segment signal.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of antenna system and mobile terminals.
Background technique
Carrier wave polymerization is a kind of by the frequency spectrum resource of different frequency range condensing together to increase signal transmission bandwidth
Technology can condense together two or more member carriers, form a sufficiently large effective transmission bandwidth, effectively
Improve downstream transmission rate.In carrier wave polymerization, including a main carrier and at least one secondary carrier, each carrier wave are corresponding
One independent cell, wherein main plot is cell of the work in main band, and secondary cell is that work is small on auxiliary frequency band
Area.
Mobile terminal it is small in size, working frequency range is more, and it is the maximum bottleneck of current industry development that antenna performance is unstable.It
Line itself is difficult to cover high, medium and low frequency full frequency band performance, so way general at present is to have used switching to match in antenna end
The switch of circuit, it is therefore an objective under different frequency range, by way of switching match circuit, adjust the resonance point of antenna, make antenna
Work is in special frequency channel to reach optimum performance.But under carrier aggregation mode, there are two or more different frequencies
Section the case where working at the same time, and many times, it is related between the frequency range worked at the same time that frequency phase-difference is larger, does not can guarantee antenna
It is best in the performance of all frequency ranges, and can only guarantee that one or two band operations cause antenna in optimum state wherein
Antenna overall performance is bad.
Summary of the invention
The embodiment of the present invention provides a kind of antenna system and mobile terminal, to solve in the prior art, mobile terminal work
Under carrier aggregation mode, can not guarantee the working performance of primary band and auxiliary frequency section simultaneously, caused by antenna system globality
The bad problem of energy.
Antenna system provided in an embodiment of the present invention specifically includes: primary antenna, switching circuit, WiFi/GPS antenna, signal
Processing circuit and mid-range frequency receiver, in which:
Primary antenna exports the dominant frequency segment signal for receiving dominant frequency segment signal, and to signal processing circuit；
Switching circuit, for opening WiFi/GPS antenna and the signal when mobile terminal opens carrier aggregation mode
Connection between processing circuit；
The WiFi/GPS antenna exports the auxiliary frequency for receiving auxiliary frequency segment signal, and to the signal processing circuit
Segment signal；
The signal processing circuit, for handling the dominant frequency segment signal and the auxiliary frequency segment signal, and in
Frequency receiver exports the dominant frequency segment signal and the auxiliary frequency segment signal；
The mid-range frequency receiver, for being demodulated to the dominant frequency segment signal and the auxiliary frequency segment signal.
Specifically, the signal processing circuit includes: the first frequency divider, first filter and second filter, in which:
First frequency divider, first frequency divider include an input port and two output ports, wherein described first
The input port of frequency divider is connected to the primary antenna, and first frequency divider is for isolating the dominant frequency segment signal；
First filter, the input port of the first filter are connected to the first output end of first frequency divider
Mouthful, the dominant frequency segment signal for exporting to first frequency divider is filtered, and the filtered dominant frequency segment signal is defeated
The mid-range frequency receiver is arrived out；
The input port of second filter, the second filter is connected to first frequency dividing by the switching circuit
The second output terminal mouth of device is connected to the WiFi/GPS antenna by the switching circuit, for believing the auxiliary frequency section
It number is filtered, and the filtered auxiliary frequency segment signal is output to the mid-range frequency receiver.
Specifically, the signal processing circuit or include: circulator, the second frequency divider, third filter and the 4th filter
Wave device, in which:
Circulator, the circulator include two input ports and an output port, wherein first input port connection
To the primary antenna, the second input port is connected to the WiFi/GPS antenna by the switching circuit；
Second frequency divider, second frequency divider include an input port and two output ports, wherein described second
The input port of frequency divider is connected to the output port of the circulator, and second frequency divider is for isolating the primary band
Signal and the auxiliary frequency segment signal；
Third filter, the input port of the third filter are connected to the first output end of second frequency divider
Mouthful, the dominant frequency segment signal for exporting to second frequency divider is filtered, and the filtered primary band is believed
Number it is output to the mid-range frequency receiver；
The input port of 4th filter, the 4th filter is connected to the second output terminal of second frequency divider
Mouthful, the auxiliary frequency segment signal for exporting to second frequency divider is filtered, and the filtered auxiliary frequency section is believed
Number it is output to the mid-range frequency receiver.
Preferably, the antenna system further include:
Detection circuit, the detection circuit are connected to the switching circuit, for detecting whether the mobile terminal is opened
Carrier aggregation mode.
The switching circuit is specifically used for:
When the detection circuit detects that the mobile terminal opens carrier aggregation mode, by the WiFi/GPS antenna
Working frequency range be switched to the auxiliary frequency section；When the detection circuit detects that the mobile terminal closes carrier aggregation mode
When, disconnect the connection of the switching circuit Yu the WiFi/GPS antenna.
Specifically, in the antenna system, the carrier signal of the primary band and the auxiliary frequency section uses inter-carrier frequency band
Polymerization technique, the primary band are one, and the auxiliary frequency section is at least one.
Correspondingly, the embodiment of the present invention also provides a kind of mobile terminal, including above-mentioned antenna system.
Above-mentioned antenna system based on the embodiment of the present invention and mobile terminal, when mobile terminal work polymerize in carrier wave
When mode, the primary antenna and WiFi/GPS antenna of antenna system receive signal simultaneously, and primary antenna works in primary band, WiFi/GPS
Antenna Operation improves antenna system in the comprehensive performance of primary band and auxiliary frequency section in auxiliary frequency section, and carrier wave polymerize mould
Data throughout under formula is promoted.It solves under carrier aggregation mode, can not guarantee primary band and auxiliary band operation simultaneously
Performance, caused by the bad problem of antenna system overall performance.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the schematic diagram of the antenna system of first embodiment of the invention；
Fig. 2 is the schematic diagram of the antenna system of second embodiment of the invention；
Fig. 3 is the schematic diagram of the antenna system of third embodiment of the invention；
Fig. 4 is terminal installation structural block diagram provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
It referring to Fig.1, is the schematic diagram of the antenna system of first embodiment of the invention, which is applied to mobile whole
End, specifically includes primary antenna 101, switching circuit 102, WiFi/GPS antenna 103, signal processing circuit 104 and intermediate frequency and connects
Receive device 105, in which:
Primary antenna 101 is used to receive the dominant frequency segment signal of base station transmission, and exports the primary band to signal processing circuit 104
Signal；Switching circuit 102 is used to open at WiFi/GPS antenna 103 and signal when mobile terminal opens carrier aggregation mode
Manage the connection between circuit 104；WiFi/GPS antenna 103 is exported for receiving auxiliary frequency segment signal, and to signal processing circuit 104
The auxiliary frequency segment signal；Signal processing circuit 104 is used to handle above-mentioned dominant frequency segment signal and auxiliary frequency segment signal, and in
Frequency receiver 105 exports dominant frequency segment signal and auxiliary frequency segment signal；Mid-range frequency receiver 105, for dominant frequency segment signal and auxiliary frequency section
Signal is demodulated.
In the embodiment of the present invention, primary antenna 101 is connected to signal processing circuit 104, for receiving dominant frequency segment signal, and to
Signal processing circuit 104 exports dominant frequency segment signal.Specifically, primary antenna can be used for GSM, CDMA, WCDMA and LTE frequency range
The transmitting and reception of signal, the embodiment of the present invention only specifically introduce the main collection receive process of signal.The primary antenna 101 serves master
Cell, and primary antenna 101 has preferable working performance in main plot, specifically, main plot is user equipment (User
Equipment, abbreviation UE) during carrying out initial connection, or specified cell during connection re-establishment, carrier wave
The main carrier signal of polymerization is sent by main plot.
Correspondingly, in embodiments of the present invention, when mobile terminal opens carrier aggregation mode, WiFi/GPS antenna 103
It is connected to signal processing circuit 104 by switching circuit 102, for receiving auxiliary frequency segment signal, and it is defeated to signal processing circuit 104
The auxiliary frequency segment signal out.Specifically, when mobile terminal opens carrier aggregation mode, WiFi/GPS antenna 103 is served auxiliary small
Area is debugged by early period, determines the frequency band for being suitble to 103 Antenna Operation of WiFi/GPS antenna in auxiliary frequency section, or require WiFi/
GPS antenna 103 meets the working frequency of WiFi, GPS simultaneously, and supports the working frequency of auxiliary frequency section, makes WiFi/GPS antenna 103
There is preferable working performance in secondary cell, specifically, secondary cell is that user equipment is establishing wireless heterogeneous networks (Radio
Resource Control, RRC) after, it is configured to provide additional radio resource, the secondary carrier signal of carrier wave polymerization is
It is sent by secondary cell.In embodiments of the present invention, when mobile terminal does not open carrier aggregation mode, switching circuit 102 is not
WiFi/GPS antenna 103 and signal processing circuit 104 are connected, WiFi/GPS antenna 103 is for receiving WiFi/ at this time
GPS signal, specific works mode are identical as WiFi/GPS antenna in the prior art.In the embodiment of the present invention, when mobile whole
When end is in carrier aggregation mode, signal processing circuit 104 is received for receiving primary antenna 101 and WiFi/GPS antenna 103
The dominant frequency segment signal and auxiliary frequency segment signal arrived, and dominant frequency segment signal and auxiliary frequency segment signal are handled, by above-mentioned two paths of signals
Processing is above-mentioned two paths of signals is output to mid-range frequency receiver 105 suitable for the signal received and processed, and by treated.
Mid-range frequency receiver 105 is the dominant frequency segment signal and auxiliary frequency segment signal for receiving the output of signal processing circuit 104, by
In signal processing circuit herein output dominant frequency segment signal and auxiliary frequency segment signal be still modulated digital signal, so intermediate frequency connects
Receiving device also needs to demodulate it, is demodulated into analog signal, the analog signal after demodulation can be according to the type transfers of signal
Corresponding module to mobile terminal is handled, and the embodiment of the present invention is not construed as limiting this.
The antenna system of the embodiment of the present invention, when mobile terminal work in carrier aggregation mode, the main day of antenna system
Line and WiFi/GPS antenna receive signal simultaneously, and primary antenna works in primary band, and WiFi/GPS Antenna Operation is in auxiliary frequency section, finally
Improve antenna system in the comprehensive performance of primary band and auxiliary frequency section, the data throughout under carrier aggregation mode is mentioned
It rises.Solve under carrier aggregation mode, can not guarantee primary band and auxiliary frequency section working performance simultaneously, caused by antenna system it is whole
The bad problem of body performance.
Embodiment two
It is the schematic diagram of the antenna system of second embodiment of the invention referring to Fig. 2, which is applied to mobile whole
End, specifically includes primary antenna 201, switching circuit 202, WiFi/GPS antenna 203, signal processing circuit 204 and intermediate frequency and connects
Receive device 205, it is preferable that the antenna system further includes detection circuit 206.Wherein, the primary antenna 201 in the present embodiment, switch electricity
Road 202, WiFi/GPS antenna 203 and mid-range frequency receiver 205 are identical with embodiment one, and details are not described herein.The present embodiment with
The main distinction of embodiment one is signal processing circuit 204, and the signal processing circuit 204 in the present embodiment specifically includes: the
One frequency divider 2041, first filter 2042, second filter 2043, in which:
First frequency divider 2041 includes an input port and two output ports, and wherein input port is connected to primary antenna
201, the first output port is connected to first filter 2042, and second output terminal mouth is connected to the second filter by switching circuit 202
Wave device 2043, the first frequency divider 2041 are used to receive the dominant frequency segment signal of the output of primary antenna 201, the first frequency divider 2041 here
The Signal separator of other frequency ranges for being not belonging to primary band received can be gone out simultaneously, only retain the signal of primary band, it can be with
The interference signal in circuit is effectively reduced, the error of signal transmission is reduced, improves transmission precision.
First filter 2042 includes an input port and an output port, and wherein input port is connected to above-mentioned the
First output port of one frequency divider 2041, output port are connected to mid-range frequency receiver 205, and first filter 2042 is for receiving
The dominant frequency segment signal of first frequency divider 2041 output, and filtered dominant frequency segment signal is output to mid-range frequency receiver 205, here
Dominant frequency segment signal wherein may be containing a certain amount of interference signal, noise signal etc. by circuit transmission, first filter
2042 can only retain dominant frequency segment signal and filter out the interference signal of other frequency ranges, improve the accuracy of signal transmission.
Second filter 2043 includes equally an input port and an output port, herein, when mobile terminal is opened
When opening carrier aggregation mode, second filter 2043 is connected to WiFi/GPS antenna 203 by switching circuit, for receiving
The auxiliary frequency segment signal that WiFi/GPS antenna 203 exports, and the signal of other frequency ranges in the signal in addition to auxiliary frequency section is filtered out, and
Filtered auxiliary frequency segment signal is output to mid-range frequency receiver 205；When mobile terminal does not open carrier aggregation mode, the second filter
Wave device 2043 is connected to the second output terminal mouth of above-mentioned first frequency divider 2041, can be used for receiving the output of the first frequency divider 2041
Auxiliary frequency segment signal and it is filtered, the embodiment of the present invention is not construed as limiting this.
Preferably, the antenna system of the embodiment of the present invention can also include detection circuit 206, be connected to above-mentioned switch electricity
Road 202, for detecting whether mobile terminal opens carrier aggregation mode.It is carried when detection circuit 206 detects that mobile terminal is opened
When wave aggregation scheme, WiFi/GPS antenna 203 is connected to signal processing circuit 204；When detect mobile terminal close carrier wave
When aggregation scheme, the connection of cut-off signal processing circuit 204 and WiFi/GPS antenna 203.Preferably, in the embodiment of the present invention
Switching circuit 202 is single-pole double-throw switch (SPDT), and one end of switch is connected to the first frequency divider 2041 or WiFi/GPS antenna 203, separately
One end is connected to second filter 2043, and when detection circuit detects that mobile terminal is in carrier aggregation mode, the hilted broadsword is double
Throw switch is connected to WiFi/GPS antenna 203, when detection circuit detects that mobile terminal closes carrier aggregation mode, the hilted broadsword
Commutator is connected to the first frequency divider 2041.
The antenna system of the present embodiment, when mobile terminal work in carrier aggregation mode, the primary antenna of antenna system and
WiFi/GPS antenna receives signal simultaneously, and primary antenna works in primary band, and WiFi/GPS Antenna Operation finally makes day in auxiliary frequency section
Linear system system is improved in the comprehensive performance of primary band and auxiliary frequency section, and the data throughout under carrier aggregation mode is promoted,
And the present embodiment while being electrically connected to not increase the component for isolation can be such that two paths of signals individually transmits, and reduce master
Interference between frequency band signals and auxiliary frequency segment signal improves the accuracy of signal transmission.It solves under carrier aggregation mode, it can not
Guarantee primary band and auxiliary frequency section working performance simultaneously, caused by the bad problem of antenna system overall performance.
Embodiment three
It is the schematic diagram of the antenna system of third embodiment of the invention referring to Fig. 3, which is applied to mobile whole
End, specifically includes primary antenna 301, switching circuit 302, WiFi/GPS antenna 303, signal processing circuit 304 and intermediate frequency and connects
Receive device 305, it is preferable that the antenna system further includes detection circuit 306.Wherein, the primary antenna 301 in the present embodiment, switch electricity
Road 302, WiFi/GPS antenna 303 and mid-range frequency receiver 305 are identical with embodiment one, and details are not described herein.The present embodiment with
The main distinction of embodiment one and embodiment two is signal processing circuit 304, and the signal processing circuit 304 in the present embodiment has
Body includes: circulator 3041, the second frequency divider 3042, third filter 3043, the 4th filter 3044.
Circulator is an ideal passive ferrite microwave device, has multiple ports, and signal therein can only be along
Single direction transmission, opposite direction are considered as isolation.The circulator 3041 of the present embodiment is a three port microwave devices, packet
Two input ports and an output port are included, the first input port of circulator 3041 is connected to primary antenna 301, the second input
Port is connected to WiFi/GPS antenna 303 by switching circuit 302, and output port is connected to the input terminal of the second frequency divider 3042
Mouthful, the isolation between two of them input port is very big, generally more than 30dB, inserting between input port and output port
Enter very small, generally no greater than 1dB, to reduce its loss to two-way aerial signal as far as possible, ring on the market at this stage is lost
Shape device can accomplish that insertion loss is lower than the level of 1dB, therefore the two-way aerial signal in the present embodiment interferes very between each other
It is small, it can be considered that two paths of signals is propagated independently of each other.The antenna system of the present embodiment utilizes the unidirectional transmission property of circulator 3041,
Receive and emit with enabling the signal low-loss of primary antenna 301 and WiFi/GPS antenna 303, avoids signal and commonly receiving and dispatching
Loss caused by reflection in circuit, so that two-way antenna signal transmission be gone out with higher accuracy.
Second frequency divider 3042 includes an input port and two output ports, and wherein input port is connected to circulator
3041 output port, the first output port are connected to third filter 3043, and second output terminal mouth is connected to the 4th filter
3044, the second frequency divider 3042 is used to receive the dominant frequency segment signal and auxiliary frequency segment signal of the output of circulator 3041, while by dominant frequency
Dominant frequency segment signal and auxiliary frequency segment signal are output to accordingly by segment signal and auxiliary frequency segment signal according to respective band separation, and respectively
Ground filter is filtered.Second frequency divider 3042 can efficiently separate open the two paths of signals of primary band and auxiliary frequency section, keep away
Exempt from interfering with each other between the signal of different frequency range, improves the precision of signal transmission.
Third filter 3043 includes an input port and an output port, and wherein input port is connected to above-mentioned the
First output port of two-divider 3042, output port are connected to mid-range frequency receiver 305, and third filter 3043 is for receiving
The dominant frequency segment signal of second frequency divider 3042 output, and filtered dominant frequency segment signal is output to mid-range frequency receiver 305, here
Dominant frequency segment signal wherein may be containing a certain amount of interference signal, noise signal etc. by circuit transmission, third filter
3043 can only retain dominant frequency segment signal and filter out the interference signal of other frequency ranges, improve the accuracy of signal transmission.
4th filter 3044 includes equally an input port and an output port, and wherein input port is connected to
The second output terminal mouth of the second frequency divider 3042 is stated, output port is connected to mid-range frequency receiver 305, and the 4th filter 3044 is used for
The auxiliary frequency segment signal of the second frequency divider 3042 output is received, and filtered auxiliary frequency segment signal is output to mid-range frequency receiver 305
Here auxiliary frequency segment signal may wherein contain a certain amount of interference signal, noise signal etc., the 4th filtering by circuit transmission
Device 3044 can only retain auxiliary frequency segment signal and filter out the interference signal of other frequency ranges, improve the accuracy of signal transmission.
Preferably, the antenna system of the embodiment of the present invention can also include detection circuit 306, be connected to switching circuit 302,
For detecting whether mobile terminal opens carrier aggregation mode.When detection circuit 306 detects that mobile terminal opens carrier wave polymerization
When mode, WiFi/GPS antenna 303 is connected to above-mentioned circulator 3041 by switching circuit；It is carried when detecting that mobile terminal is closed
When wave aggregation scheme, the connection of circulator 3041 and WiFi/GPS antenna 303 is disconnected.Correspondingly, the switch electricity in the present embodiment
Road 302 is single-pole single-throw switch (SPST).
The present invention is the antenna system of embodiment, when mobile terminal work in carrier aggregation mode, the master of antenna system
Antenna and WiFi/GPS antenna receive signal simultaneously, and primary antenna works in primary band, and WiFi/GPS Antenna Operation is in auxiliary frequency section, most
Improve antenna system in the comprehensive performance of primary band and auxiliary frequency section, the data throughout under carrier aggregation mode is able to
It is promoted, and the present embodiment while being electrically connected to not increase the component for isolation can be such that two paths of signals individually transmits,
The interference between dominant frequency segment signal and auxiliary frequency segment signal is reduced, the accuracy of signal transmission is improved.Solves carrier aggregation mode
Under, can not guarantee primary band and auxiliary frequency section working performance simultaneously, caused by the bad problem of antenna system overall performance.
Example IV
As shown in figure 4, being terminal installation structural block diagram provided in an embodiment of the present invention, specifically, the mobile terminal in Fig. 4
400 can for mobile phone, tablet computer, electronic computer, personal digital assistant (PersonalDigital Assistant,
) or vehicle-mounted computer etc. PDA.
Mobile terminal 400 in Fig. 4 includes radio frequency (RadioFrequency, RF) circuit 401, memory 402, input list
Member 403, display unit 404, processor 405, voicefrequency circuit 406, WiFi (WirelessFidelity) module 407 and power supply
408。
RF circuit 401 includes but is not limited to antenna, amplifying circuit, tuner, oscillator, coupler etc., and RF circuit 401 can
By wireless communication with network side or other communication apparatus communications, any communication standard or association is can be used in wireless communication here
View, including but not limited to GSM (Global System of Mobile communication, global system for mobile communications),
GPRS (General Packet Radio Service, general packet radio service), CDMA (Code Division
Multiple Access, CDMA), WCDMA (Wideband Code Division Multiple Access, broadband code
Point multiple access), LTE (Long Term Evolution, long term evolution), Email, SMS (Short Messaging
Service, short message service) etc..
Memory 402 can be used for software program and module, and processor 405 is stored in the soft of memory 402 by operation
Part program and module, thereby executing various function application and data processing.Memory 402 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area, which can be stored, uses created data according to user equipment,
Such as measurement report etc..In addition, memory 402 may include high-speed random access memory, it can also include non-volatile deposit
Reservoir, for example, at least a disk memory, flush memory device or other volatile solid-state parts.Correspondingly, memory
402 can also include Memory Controller, to provide the access of processor 405 and input unit 403 to memory 402.
Wherein, input unit 403 can be used for receiving the number or character information of user's input, and generate and terminal 400
User setting and function control related signal input.Specifically, in the embodiment of the present invention, which can be with
Including touch panel 4031.Touch panel 4031, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses the operations of any suitable object or attachment on touch panel 4031 such as finger, stylus), and according to pre-
The formula first set drives corresponding attachment device.Optionally, touch panel 4031 may include touch detecting apparatus and touch control
Two parts of device processed.Wherein, the touch orientation of touch detecting apparatus detection user, and touch operation bring signal is detected, it will
Signal sends touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact
Coordinate, then give the processor 405, and order that processor 405 is sent can be received and executed.Furthermore, it is possible to using electricity
The multiple types such as resistive, condenser type, infrared ray and surface acoustic wave realize touch panel 4031.Input unit 403 can also wrap
Other input equipments 4032 are included, other input equipments 4032 can include but is not limited to physical keyboard, function key (such as volume control
Key processed, switch key etc.), trace ball, mouse, one of operating stick etc. or a variety of.
Wherein, display unit 404 can be used for showing information input by user or be supplied to the information and terminal of user
400 various menu interfaces.Display unit 404 may include display panel 4041, optionally, can use LCD or organic light emission
The forms such as diode (OrganicLight-EmittingDiode, OLED) configure display panel 4041.
It should be noted that touch panel 4031 can cover display panel 4041, touch display screen is formed, when the touch display screen
After detecting touch operation on it or nearby, processor 405 is sent to determine the type of touch event, is followed by subsequent processing device
405 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes software interface viewing area and common control viewing area.The software interface viewing area
And arrangement mode of the common control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious
Show the arrangement mode in area.The software interface viewing area is displayed for the interface of application software.Each interface can be with
The interface elements such as the icon comprising at least one application software and/or widget desktop control.The software interface viewing area
Or the empty interface not comprising any content.This commonly uses control viewing area for showing the higher control of utilization rate, for example,
Application software icons such as button, interface number, scroll bar, phone directory icon etc. are set.
Wherein processor 405 is the control centre of terminal 400, utilizes each of various interfaces and connection whole mobile phone
Part by running or execute the software program and/or module that are stored in first memory 4021, and calls and is stored in the
Data in two memories 4022 execute the various functions and processing data of terminal 400, to carry out whole prison to terminal 400
Control.Optionally, processor 405 may include one or more processing units.Processor 405 can realize to RF circuit 401 and
The processing for the signal that WiFi module 407 is received or sent specifically in the embodiment of the present invention, is carried when mobile terminal 400 is in
When wave aggregation scheme, dominant frequency segment signal that processor 405 can receive primary antenna in mobile terminal and WiFi/GPS antenna
And auxiliary frequency segment signal is handled, and can will treated that two-way aerial signal is transmitted to second memory 4022 stores.
In embodiments of the present invention, by calling the software program and/or module that are stored in the first memory 4021
And/or the data in the second memory 4022.When mobile terminal 400 is in carrier aggregation mode, RF circuit 401 is for connecing
Receive the dominant frequency segment signal that base station is sent；WiFi module 407 is for receiving auxiliary frequency segment signal；Processor 405 is for receiving primary band
Signal and auxiliary frequency segment signal, and this two paths of signals is handled and exported, wherein processing here includes but is not limited to two
Road signal divided, filtered, being amplified, modulation /demodulation etc.；Optionally, voicefrequency circuit 406 can be used for receiving audio data, and
The audio data received is converted into electric signal transmission to the loudspeaker of terminal, voice signal output is converted to by loudspeaker.
Specifically, processor 405 is used to receive the dominant frequency segment signal and WiFi of the primary antenna output in RF circuit 401
The auxiliary frequency segment signal of WiFi/GPS antenna output in module 407, divides two-way aerial signal by processor 405, and
The two paths of signals after frequency dividing is filtered respectively, is still modulated signal due to passing through filtered signal here, so
Optionally, processor 405 can also demodulate the signal.Signal after demodulation can be output to voicefrequency circuit 406, memory
402 or display unit 404 etc., the present embodiment is not construed as limiting this.
Mobile terminal 400 can be realized each function of the Fig. 1 into Fig. 3 embodiment, no longer superfluous here to avoid repeating
It states.
The mobile terminal 400 of the embodiment of the present invention receives dominant frequency segment signal by RF circuit 401, and WiFi module 407 receives
Auxiliary frequency segment signal, processor 405 is handled and is exported to two paths of signals, when carrier aggregation mode may be implemented, antenna system
Primary antenna and WiFi/GPS antenna simultaneously receive signal, primary antenna works in primary band, and WiFi/GPS Antenna Operation is in auxiliary frequency
Section, improves antenna system in the comprehensive performance of primary band and auxiliary frequency section, the data throughput under carrier aggregation mode
It measures to be promoted, and the present embodiment while being electrically connected to not increase the component for isolation can make two paths of signals independent
Transmission reduces the interference between dominant frequency segment signal and auxiliary frequency segment signal, improves the accuracy of signal transmission.Solves carrier wave polymerization
Under mode, antenna system is switched to primary band optimum state, not can guarantee auxiliary frequency section performance, caused by antenna system globality
The bad problem of energy.
Those of ordinary skill in the art may be aware that the embodiment in conjunction with disclosed in the embodiment of the present invention describe it is each
Exemplary unit and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit
It connects, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
Being stored in a computer can check in storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can store program code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (6)
1. a kind of antenna system, which is characterized in that it is applied to mobile terminal, the system comprises:
Primary antenna exports the dominant frequency segment signal for receiving dominant frequency segment signal, and to signal processing circuit；
Switching circuit, for opening WiFi/GPS antenna and the signal processing when mobile terminal opens carrier aggregation mode
Connection between circuit；
The WiFi/GPS antenna exports the auxiliary frequency section letter for receiving auxiliary frequency segment signal, and to the signal processing circuit
Number；
The signal processing circuit for handling the dominant frequency segment signal and the auxiliary frequency segment signal, and connects to intermediate frequency
It receives device and exports the dominant frequency segment signal and the auxiliary frequency segment signal；
The mid-range frequency receiver, for being demodulated to the dominant frequency segment signal and the auxiliary frequency segment signal；
The signal processing circuit includes:
First frequency divider, first frequency divider include an input port and two output ports, wherein first frequency dividing
The input port of device is connected to the primary antenna, and first frequency divider is for isolating the dominant frequency segment signal；
First filter, the input port of the first filter are connected to the first output port of first frequency divider, use
It is filtered in the dominant frequency segment signal exported to first frequency divider, and the filtered dominant frequency segment signal is output to institute
State mid-range frequency receiver；
The input port of second filter, the second filter is connected to first frequency divider by the switching circuit
Second output terminal mouth is connected to the WiFi/GPS antenna by the switching circuit, for the auxiliary frequency segment signal into
Row filtering, and the filtered auxiliary frequency segment signal is output to the mid-range frequency receiver.
2. system according to claim 1, which is characterized in that the signal processing circuit includes:
Circulator, the circulator include two input ports and an output port, wherein first input port is connected to institute
Primary antenna is stated, the second input port is connected to the WiFi/GPS antenna by the switching circuit；
Second frequency divider, second frequency divider include an input port and two output ports, wherein second frequency dividing
The input port of device is connected to the output port of the circulator, and second frequency divider is for isolating the dominant frequency segment signal
With the auxiliary frequency segment signal；
Third filter, the input port of the third filter are connected to the first output port of second frequency divider, use
It is filtered in the dominant frequency segment signal exported to second frequency divider, and the filtered dominant frequency segment signal is exported
To the mid-range frequency receiver；
The input port of 4th filter, the 4th filter is connected to the second output terminal mouth of second frequency divider, uses
It is filtered in the auxiliary frequency segment signal exported to second frequency divider, and the filtered auxiliary frequency segment signal is exported
To the mid-range frequency receiver.
3. system according to any one of claim 1 to 2, which is characterized in that the antenna system further include:
Detection circuit, the detection circuit are connected to the switching circuit, for detecting whether the mobile terminal opens carrier wave
Aggregation scheme.
4. system according to claim 3, which is characterized in that the switching circuit is specifically used for:
When the detection circuit detects that the mobile terminal opens carrier aggregation mode, open the WiFi/GPS antenna with
Connection between the signal processing circuit；When the detection circuit detects that the mobile terminal closes carrier aggregation mode
When, disconnect the connection of the WiFi/GPS antenna and the signal processing circuit.
5. system according to claim 1, which is characterized in that
The carrier signal of primary band and auxiliary frequency section uses frequency band configured technology, and the primary band is one, the auxiliary frequency
Section is at least one.
6. a kind of mobile terminal, including the antenna system as described in any one of claims 1 to 5.
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| CN201710090584.XA CN106899315B (en) | 2017-02-20 | 2017-02-20 | An antenna system and mobile terminal |
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| CN201710090584.XA CN106899315B (en) | 2017-02-20 | 2017-02-20 | An antenna system and mobile terminal |
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| CN107888208B (en) * | 2017-11-15 | 2021-09-10 | 宁波麦度智联科技股份有限公司 | Radio frequency topology system for LTE-FDD carrier aggregation |
| CN113540710B (en) * | 2020-04-22 | 2022-07-22 | 华为技术有限公司 | Ferrite switch, microwave antenna and electronic equipment |
| CN112350724A (en) * | 2020-11-09 | 2021-02-09 | 维沃移动通信有限公司 | Integrated circuit, electronic device, clock frequency output control method and device |
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| CN104426591A (en) * | 2013-08-29 | 2015-03-18 | 中兴通讯股份有限公司 | Method and terminal for treating carrier aggregation interference |
| CN104954106A (en) * | 2014-03-27 | 2015-09-30 | 英特尔公司 | Carrier aggregation with tunable antennas |
| CN105075143A (en) * | 2014-02-17 | 2015-11-18 | 华为终端有限公司 | Antenna switching system and method |
| CN105099476A (en) * | 2015-07-20 | 2015-11-25 | 联想(北京)有限公司 | Electronic device and signal processing method thereof |
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| US9172402B2 (en) * | 2012-03-02 | 2015-10-27 | Qualcomm Incorporated | Multiple-input and multiple-output carrier aggregation receiver reuse architecture |
| US20160191107A1 (en) * | 2014-12-24 | 2016-06-30 | Rf Micro Devices, Inc. | Radio frequency front end circuitry for carrier aggregation |
| CN106059598B (en) * | 2016-05-03 | 2018-05-18 | 广东欧珀移动通信有限公司 | A carrier aggregation anti-harmonic interference device, antenna device and mobile terminal |
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| CN104426591A (en) * | 2013-08-29 | 2015-03-18 | 中兴通讯股份有限公司 | Method and terminal for treating carrier aggregation interference |
| CN105075143A (en) * | 2014-02-17 | 2015-11-18 | 华为终端有限公司 | Antenna switching system and method |
| CN104954106A (en) * | 2014-03-27 | 2015-09-30 | 英特尔公司 | Carrier aggregation with tunable antennas |
| CN105099476A (en) * | 2015-07-20 | 2015-11-25 | 联想(北京)有限公司 | Electronic device and signal processing method thereof |
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