CN106033840B - Antenna assembly, control method and electronic equipment for it - Google Patents
Antenna assembly, control method and electronic equipment for it Download PDFInfo
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Abstract
Provide a kind of antenna assembly, control method and electronic equipment for it.The antenna assembly includes: first antenna unit, can be transmitted the first antenna signal of multiple frequency ranges, and multiple frequency range includes the first frequency range and the second frequency range, and the frequency of the second frequency range is different from the frequency of first frequency range；Second antenna element can be transmitted the second aerial signal, and the frequency range of second aerial signal includes first frequency range；Frequency range control unit is connected to first antenna unit, and the signal of the second frequency range in the first antenna signal is transmitted between the first antenna unit and signal transceiver corresponding with the second frequency range；At least one of the frequency range control unit and second antenna element are connected to signal transceiver corresponding with the first frequency range by switch unit, for transmitting and the signal of the first frequency range.Using the technical solution of the embodiment of the present disclosure, the insertion loss of switch unit can be avoided in the transmission path of some antennas signal, to improve the signal quality of some antennas signal.
Description
Technical field
The present invention relates to fields of communication technology, more particularly, to a kind of antenna assembly, for its control method and electricity
Sub- equipment.
Background technique
With the development of communication technology, electronic equipment can transmit voice, data etc. using the different communication technologys.Portion
It is divided to electronic equipment using two antennas to guarantee communication quality.For example, cooperating primary antenna to use diversity antenna in mobile phone, effectively
Improve the sensitivity that mobile phone receives wireless signal in the presence of a harsh environment.
In general, setting switch is come the antenna that selection will be used to be communicated from two antennas.For example, in antenna and signal
Switch is set between the channel of transceiver, changes the working condition of switch according to the control of electronic equipment, thus by two antennas
One received signal is transmitted to signal receiver, and by the transmission signal from sender unit be supplied to two antennas it
One to launch.However, switch has insertion loss, this may be greatly reduced in the case where received signal strength is weaker
Signal quality.
Accordingly, it is desired to provide a kind of technical solution reduces influence of the insertion loss of switch to the aerial signal in antenna.
Summary of the invention
The embodiment of the present disclosure provides a kind of antenna assembly, control method and electronic equipment for it, can reduce
Influence of the insertion loss of switch to aerial signal.
In a first aspect, providing a kind of antenna assembly, it is applied to an electronic equipment, the antenna assembly can include: first
Antenna element, can be transmitted the first antenna signal of multiple frequency ranges, and multiple frequency range includes the first frequency range and the second frequency range, and second
The frequency of frequency range is different from the frequency of first frequency range；Second antenna element can be transmitted the second aerial signal, this is second day
The frequency range of line signal includes first frequency range；Frequency range control unit is connected to first antenna unit, in the first antenna list
The signal of the second frequency range in the first antenna signal is transmitted between member and signal transceiver corresponding with the second frequency range；Switch
At least one of the frequency range control unit and second antenna element are connected to signal corresponding with the first frequency range and received by unit
Device is sent out, for transmitting and the signal of the first frequency range.
With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the first antenna
Unit and the second antenna element can be located separated from each other at the different location in the electronic equipment, the frequency of second frequency range
Rate can be higher than the frequency of first frequency range.
With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the electronic equipment
It may be at time division duplex communication mode, the switch unit can be double-point double-throw switch, which can be used for
One of the frequency range control unit and second antenna element are connected to signal transceiver corresponding with the first frequency range.
With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the electronic equipment
Frequency duplex communications mode can also be worked in, is led to when the electronic equipment is switched to frequency division duplex from time division duplex communication mode
When letter mode, the double-point double-throw switch is controlled to that two ends of signal transceiver corresponding with the first frequency range will be connected to
Mouthful one of it is hanging, and another in described two ports is connected to duplexer.The duplexer is connected to for frequency division duplex
The signal transceiver corresponding with the first frequency range of communication pattern.
With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the electronic equipment
It can be at frequency duplex communications mode, the switch unit can be single-pole double-throw switch (SPDT).The single-pole double-throw switch (SPDT) can be by institute
It states one of frequency range control unit and the second antenna element and is connected to duplexer.The duplexer is connected to letter corresponding with the first frequency range
Number transceiver, thus in one of the frequency range control unit and the second antenna element and signal transceiver corresponding with the first frequency range
Between transmit the signal of the first frequency range.
With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the electronic equipment
It may include the first receiver corresponding with the signal of the first frequency range and second receiver.The frequency range control unit can be from first
Antenna element isolate the signal of the first frequency range in received first antenna signal, and by the signal of the first separated frequency range
It is transmitted to the first receiver.The switch unit may be connected to second antenna element, and will be from the second antenna element
The signal of first frequency range is transmitted to second receiver.
Second aspect provides a kind of control method for antenna assembly, which is applied to an electronic equipment,
And including first antenna unit, the frequency range control unit for being connected to first antenna unit, the second antenna element and switch unit,
The first antenna unit can be transmitted the first antenna signal that its frequency range includes the first frequency range and the second frequency range, and described second day
Line unit can be transmitted the second aerial signal that its frequency range includes the first frequency range, and the switch unit is used to selectively connect to described
Frequency range control unit and the second antenna element, the control method can include: control the switch unit and control the frequency range
At least one of unit and the second antenna element are connected to signal transceiver corresponding with the first frequency range, to transmit and receive
The aerial signal of one frequency range；It is connected to signal transceiver corresponding with the second frequency range with by the frequency range control unit, thus not
The aerial signal of the second frequency range is transmitted and received by the switch unit.
In conjunction with second aspect, in a kind of implementation of second aspect, the first antenna unit and the second antenna list
Member can be located separated from each other at the different location in the electronic equipment, and the frequency of second frequency range can be higher than described first
The frequency of frequency range, the control switch unit connect at least one of the frequency range control unit and second antenna element
It is connected to signal transceiver corresponding with the first frequency range can include: in the case where detecting that the first antenna unit is blocked,
It controls the switch unit and second antenna element is connected to signal transceiver corresponding with the first frequency range；Detecting
It states in the case where the second antenna element is blocked, controls the switch unit and be connected to the frequency range control unit and the first frequency
The corresponding signal transceiver of section.
In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the electronic equipment
It can be at time division duplex communication mode, the switch unit can be double-point double-throw switch, and the control switch unit will
At least one of the frequency range control unit and the second antenna element are connected to signal transceiver corresponding with the first frequency range can
It include: that one of the frequency range control unit and second antenna element are connected to and the first frequency range by the control double-point double-throw switch
Corresponding signal transceiver.
In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the electronic equipment
Frequency duplex communications mode can also be worked in, is led to when the electronic equipment is switched to frequency division duplex from time division duplex communication mode
When letter mode, the control switch unit connects at least one of the frequency range control unit and second antenna element
To and the corresponding signal transceiver of the first frequency range may also include that the control double-point double-throw switch will letter corresponding with the first frequency range
One of two ports of number transceiver connection are hanging；The double-point double-throw switch is controlled by another company in described two ports
It is connected to duplexer, which is connected to the signal transceiver corresponding with the first frequency range for frequency duplex communications mode.
In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the electronic equipment
It may be at frequency duplex communications mode, the switch unit can be single-pole double-throw switch (SPDT), the control switch unit
At least one of the frequency range control unit and second antenna element are connected to signal transceiver corresponding with the first frequency range
Can include: it controls the single-pole double throw and opens one of the frequency range control unit and second antenna element are connected to duplexer, it should
Duplexer is connected to signal transceiver corresponding with the first frequency range, in the frequency range control unit and the second antenna element
One of the signal of the first frequency range is transmitted between signal transceiver corresponding with the first frequency range.
In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the electronic equipment
It may include the first receiver corresponding with the signal of the first frequency range and second receiver, the control method may also include that utilization
Frequency range control unit isolates the signal of the first frequency range from the received first antenna signal of first antenna unit, and will be separated
The signal of the first frequency range be transmitted to the first receiver.It is described to control the switch unit for the frequency range control unit and second
At least one of antenna element is connected to signal transceiver corresponding with the first frequency range can include: controls the switch unit and connects
Second antenna element is connected to without connected to the frequency range control unit, it will be from the first frequency range of the second antenna element
Signal be transmitted to second receiver.
The third aspect provides a kind of electronic equipment, including antenna assembly as described above.
In the technical solution of antenna assembly in the embodiment of the present disclosure, the control method for it and electronic equipment, pass through
It is suitably set position of the switch unit in antenna assembly, can avoid switch single in the transmission path of some antennas signal
The insertion loss of member, to improve the signal quality of some antennas signal.
Detailed description of the invention
It, below will be in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the embodiment of the present disclosure
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the disclosure
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is to schematically illustrate the block diagram of the antenna assembly according to the embodiment of the present disclosure；
Fig. 2 schematically illustrates the distribution of the antenna element in the antenna assembly of Fig. 1 in the electronic device；
Fig. 3 is to schematically illustrate the block diagram of the first Working Examples of antenna assembly of Fig. 1；
Fig. 4 is to schematically illustrate the block diagram of the second Working Examples of antenna assembly of Fig. 1；
Fig. 5 is to schematically illustrate the block diagram of the third Working Examples of the antenna assembly of Fig. 1；
Fig. 6 is to schematically illustrate the block diagram of the 4th Working Examples of antenna assembly of Fig. 1；
Fig. 7 is to schematically illustrate the flow chart of the control method for antenna assembly according to the embodiment of the present disclosure.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present disclosure, the technical solution in the embodiment of the present disclosure is carried out clear, complete
Site preparation description, it is clear that described embodiment is disclosure a part of the embodiment, instead of all the embodiments.
In the disclosure, when being described to particular elements between the first component and second component, in the particular elements
May exist intervening elements between the first component or second component, intervening elements can also be not present；When being described to particular portion
When part connects other components, the particular elements can be directly connected to other components without intervening elements, can also be with
It is not directly connected to other components and there are intervening elements.
Fig. 1 is to schematically illustrate the block diagram of the antenna assembly 100 according to the embodiment of the present disclosure.The antenna assembly 100 can
Applied to any electronic equipment, including but not limited to computer, personal digital assistant, mobile communication terminal, audiovisual players etc..
The type for the electronic equipment that antenna assembly is applied to does not constitute the limitation to the disclosure.It include that signal is received in the electronic equipment
Send out device.When wanting transmitting antenna signal, which output signal and can launch the signal via antenna assembly
It goes；When wanting receiving antenna signal, antenna assembly receiving antenna signal, and send the aerial signal to signal transceiver and carry out
Reception processing.In addition, the signal transceiver can be one or more.For example, when aerial signal includes two different frequency ranges
Signal when, can have two signal transceivers corresponding from two different frequency ranges.
As shown in Figure 1, the antenna assembly 100 includes: first antenna unit 110, first day of multiple frequency ranges can be transmitted
Line signal, multiple frequency range include the first frequency range f1 and the second frequency range f2, and the frequency of the second frequency range is different from first frequency range
Frequency；Second antenna element 120, can be transmitted the second aerial signal, and the frequency range of second aerial signal includes described first
Frequency range f1；Frequency range control unit 130 is connected to first antenna unit 110, the first antenna unit 110 and with second frequency
The signal of the second frequency range f2 in the first antenna signal is transmitted between the corresponding signal transceiver TR2 of section；Switch unit
140, at least one of the frequency range control unit 130 and the second antenna element 120 are connected to corresponding with the first frequency range
Signal transceiver TR1, for transmitting and the signal of the first frequency range.
First antenna unit 110 can be loop aerial, slot antenna, unipole antenna or planar inverted F-antenna (PIFA)
Deng concrete type does not constitute the limitation to the embodiment of the present disclosure.Typically, first antenna unit 110 may include irradiation unit, feedback
Electric end, ground terminal etc..The first antenna unit 110 can be realized using various technologies that are existing or occurring in the future,
It can be appropriately arranged with the bandwidth of aerial signal, bulk of electronic equipment etc..It can be selected for different communications bands
Different types of antenna.As an example, monopole day can be used when the communications band of electronic equipment is the frequency range lower than 1GHz
Line or PIFA antenna are as first antenna unit 110.It, can when the communication frequency of electronic equipment is the frequency range that frequency is higher than 1GHz
To use loop aerial as first antenna unit 110.
In the disclosure, first antenna unit 110 can be transmitted the first antenna letter of the first frequency range f1 and the second frequency range f2
Number.The frequency of second frequency range is different from the frequency of first frequency range.Typically, the frequency of the second frequency range is greater than first frequency
The frequency of section.The frequency of first frequency range is, for example, the low-frequency range of GSM900, and frequency range is 890MHz to 954MHz.Second frequency
The frequency of section is, for example, the original text frequency range of GSM1800, and frequency range is 1710MHz to 1820MHz.Hereinafter, with the second frequency range
Frequency be greater than first frequency range frequency for be described.
Second antenna element 120 can be loop aerial, slot antenna, unipole antenna or planar inverted F-antenna (PIFA)
Deng concrete type does not constitute the limitation to the embodiment of the present disclosure.Typically, the second antenna element 120 may include irradiation unit, feedback
Electric end, ground terminal etc., and can be realized using various technologies that are existing or occurring in the future.The knot of second antenna element 120
Structure and type can be appropriately arranged with the bandwidth of aerial signal, bulk of electronic equipment etc..It can be for different communication frequencies
Section selects different types of second antenna element 120.The frequency range for the second aerial signal that second antenna element 120 is transmitted with
The frequency range for the first antenna signal that first antenna unit 110 is transmitted partly is overlapped.The frequency range of second aerial signal is also wrapped
Include the first frequency range f1.Typically, in the second aerial signal with the overlapped frequency bands f1 of first antenna signal in order to guarantee electricity
Communication quality of the sub- equipment in the first frequency range f1.First antenna unit 110 is primary antenna, and the second antenna element 120 is cooperation
Primary antenna uses diversity antenna, effectively improves the sensitivity that electronic equipment receives wireless signal in the presence of a harsh environment.It should be noted that the
The frequency range of two aerial signals can also include other frequency ranges other than the first frequency range f1, can not also include other frequency ranges.
Fig. 2 schematically illustrates the distribution of antenna element (110 and 120) in the electronic device in the antenna assembly of Fig. 1.
As shown in Figure 1, the first antenna unit 110 and the second antenna element 120 are located separated from each other in the electronic equipment
Different location.Specifically, first antenna unit 110 is located at the side of electronic equipment, and the second antenna element 120 is located at electronic equipment
Lower end.Communication quality of the electronic equipment in communication process can receive the influence of ambient enviroment.For example, working as antenna element quilt
When holding, the communication frequency of the antenna element may deviate and reduce communication quality.By taking electronic equipment is mobile phone as an example, when being located at
When the first antenna unit 110 of mobile phone side is held, the antenna letter of the first frequency range can be executed using the second antenna element 120
Number transmission.In general, the low frequency part in radiofrequency signal is easy to receive the influence of external environment, and the high frequency letter in radiofrequency signal
Number for external environment have better anti-interference ability.Correspondingly, the overlapping of first antenna signal and the second aerial signal
First frequency range f1 can be the low-frequency range for being easy to receive external environment influence, the frequency of the second frequency range f2 in first antenna signal
Greater than the frequency of first frequency range f1.
Frequency range control unit 130 is connected to first antenna unit 110, is transmitted for controlling first antenna unit 110
The transmission of each frequency range in first antenna signal.The frequency range control unit 130 be functionally similar to antenna switch module (ASM,
Antenna Switch Module) function, and have the structure similar with ASM.As an example, the frequency range control unit 130
It may include one or more of switching device, filter, amplifier etc., and can also include other devices.For example,
In TDD communication pattern, the switching device in the frequency range control unit 130 is four throw switch of hilted broadsword and leads to including four signals
Road.Four signal paths are, for example, the first access for being used for the signal of the first frequency range and sending, for the signal of the first frequency range
Received alternate path, for the second frequency range signal send third path, for the signal of the second frequency range the received 4th
Access.It may include the front end amplification for being amplified to the signal to be sent in any of first access and third path
Device may include the filter for filtering the noise of received signal in either one or two of the alternate path and fourth passage.
First antenna unit 110 is connected to one in four circuits by four throw switch of hilted broadsword.That is, frequency range control unit
130 can separate the signaling zone of each frequency range in the first antenna signal of first antenna unit 110, and be transmitted to
The corresponding receiver of the frequency range.Frequency range control unit 130 can also be in transmission antenna signal, and signal to be sent is transferred to
First antenna unit.In embodiment of the disclosure, frequency range control unit 130 is connected only to first antenna unit 110.Work as frequency range
When control unit 130 also needs to control the second antenna element 120, first antenna unit 110 and may be coupled to
Both two antenna elements 120, or even may be also connected to more antenna elements.
In embodiment of the disclosure, the second aerial signal from the second antenna element 120 only includes first antenna
The first frequency range in signal, without including the second frequency range in first antenna signal.It is distinguished certainly in frequency range control unit 130
After the first frequency band signals and the second frequency band signals of the first antenna signal of first antenna unit 110, in first antenna signal
The signal of the second frequency range be sent to signal transceiver TR2 corresponding with the second frequency range, to realize the antenna of second frequency range
The transmission and reception of signal.Obviously, the signal of the second frequency range in first antenna signal does not pass through switch unit 140.Also
It is to say, does not have the insertion loss of switch unit 140 in the transmission path of the signal of the second frequency range in first antenna signal, thus
It can be improved the communication quality of the signal of second frequency range.
First antenna signal from first antenna unit 110 and the second aerial signal from the second antenna element 120
It all include the signal of the first frequency range f1.Switch unit 140 is operated according to the need of work of electronic equipment, can will be described
At least one of frequency range control unit 130 and the second antenna element 120 are connected to signal transceiver corresponding with the first frequency range,
For transmitting and the signal of the first frequency range.
Electronic equipment may only need to transmit the signal of the first frequency range using an antenna element, this for example occurs
In the case where two antenna elements 120 are the Backup Antenna in first antenna unit 110.Specifically, antenna element shown in Fig. 2
Distribution in the case where, first antenna unit 110 is acquiescently used for transmission the signal of the first frequency range f1, and switch unit 140 will
The frequency range control unit 130 and it is connected to signal transceiver TR1 corresponding with the first frequency range；If first antenna unit 110
It is held or the corresponding signal of the first frequency range cannot be transmitted due to other, then electronic device instructions switch unit 140 will
Second antenna element 120 is connected to signal transceiver TR1 corresponding with the first frequency range.In addition, needing benefit in electronic equipment
In the case where signal of two antenna elements to transmit the first frequency range, switch unit 140 is by 130 He of frequency range control unit
Second antenna element 120 both is connected to signal transceiver TR1 corresponding with the first frequency range.
According to the above analysis as can be seen that the signal of the second frequency range in first antenna signal is without switch unit 140
And it is connected to signal transceiver TR2 corresponding with the second frequency range, so as to avoid damage is inserted into as caused by switch unit 140
Consumption.However, if switch unit is placed in first antenna unit 110 and the second antenna element 120 and the frequency range control unit
Between 130, then the signal of all frequency ranges in first antenna signal and the second aerial signal will pass through switch unit 140, from
And all there is insertion loss in the transmission path of signal.
In the technical solution of the said antenna device 100 of the embodiment of the present disclosure, existed by being suitably set switch unit
Position in antenna assembly can avoid the insertion loss of switch unit in the transmission path of some antennas signal, to mention
The high signal quality of some antennas signal.
Fig. 3 is to schematically illustrate the block diagram of the first Working Examples of antenna assembly 100 of Fig. 1.In Fig. 3, in Fig. 1
Identical part uses identical appended drawing reference to indicate.First antenna unit 110, the second antenna element 120 in Fig. 3,
With 130 phase of first antenna unit 110, the second antenna element 120 and frequency range control unit in frequency range control unit 130 and Fig. 1
Together, and it is identical as Fig. 1 for the transmission of the second frequency range in first antenna signal in Fig. 3.
In Fig. 3, the electronic equipment is in time division duplex (TDD, Time Division Duplex) communication pattern.Institute
Stating switch unit 140 can be double-point double-throw switch.The double-point double-throw switch is used for the frequency range control unit 130 and second
One of antenna element 120 is connected to signal transceiver TR1 corresponding with the first frequency range.As shown in figure 4, the double-point double-throw switch
Including four ports, i.e. port 1,2,3,4.
In TDD communication pattern, the transmitting of electronic equipment and reception signal are in the different time-gap of same frequency channel
It carries out, is separated each other using the certain guarantee time, do not need the frequency of distribution symmetrical frequency band, and can be every
It flexibly controlled in a channel, change the length ratio for sending and receiving the period.In double-point double-throw switch by frequency range control unit 130
When being connected to signal transceiver TR1 corresponding with the first frequency range, the port 4 of the double-point double-throw switch is sending the first frequency range
It is connected to port 1 when signal, and is connected to port 3 when receiving the signal of the first frequency range.Similarly, in double-point double-throw switch
When second antenna element 120 is connected to signal transceiver TR1 corresponding with the first frequency range, the port of the double-point double-throw switch
2 are connected to port 1 when sending the signal of the first frequency range, and are connected to port 3 when receiving the signal of the first frequency range.
Under TDD communication pattern, generally use surface acoustic wave (SAW, surface acoustic wave) filter to from
The received aerial signal of antenna element is filtered, to improve received signal quality.In SAW filter and signal transceiver TR1
Between be also possible that other devices, such as linear amplifier.In addition, believing under TDD communication pattern for the antenna to be emitted
Number, power amplifier can also be set between signal transceiver TR1 and switch unit 140, to improve the antenna to be sent letter
Number radiant power.Connection type between switch unit 140 and signal transceiver TR1 does not constitute the limit to the embodiment of the present disclosure
System.
Fig. 4 is to schematically illustrate the block diagram of the second Working Examples of antenna assembly 100 of Fig. 1.In Fig. 4, in Fig. 3
Identical part uses identical appended drawing reference to indicate.First antenna unit 110, the second antenna element 120 in Fig. 4,
With 130 phase of first antenna unit 110, the second antenna element 120 and frequency range control unit in frequency range control unit 130 and Fig. 3
Together, and it is identical as Fig. 4 for the transmission of the second frequency range in first antenna signal in Fig. 4.It is identical as Fig. 3 in Fig. 4, institute
Stating switch unit 140 is also double-point double-throw switch.The double-point double-throw switch is used for the frequency range control unit 130 and second day
One of line unit 120 is connected to signal transceiver TR1 corresponding with the first frequency range.
Fig. 4 and Fig. 3 are the difference is that the electronic equipment is in frequency division duplex (FDD, Frequency Division
Duplex) communication pattern, and the working condition of the double-point double-throw switch in Fig. 3 is also changed.In FDD communication pattern
In, two independent channel frequencies are needed, a channel frequency is used to transmission information downwards, and one other channel frequency is used to upward
Transmit information.There are a protection frequency ranges between two channel frequencies, to prevent from generating between neighbouring transmitter and receiver
It interferes with each other.Therefore, FDD communication pattern must use pairs of frequency, and only need a communication port and switch unit
140 connections.
When the electronic equipment is switched to FDD communication pattern from TDD communication pattern, the double-point double-throw switch is controlled
(such as port 3 is hanged in Fig. 4 for one of two ports will being connected to signal transceiver corresponding with the first frequency range are hanging
It is empty), and another (for example, port 1 in Fig. 4) in described two ports is connected to duplexer.The double-pole double throw is opened
When frequency range control unit 130 is connected to signal transceiver TR1 corresponding with the first frequency range by pass, the end of the double-point double-throw switch
Mouth 1 is connected to port 4.The second antenna element 120 is connected to signal transmitting and receiving corresponding with the first frequency range in double-point double-throw switch
When device TR1, the port 1 of the double-point double-throw switch is connected to port 2.
As shown in figure 4, the port 1 of the double-point double-throw switch is connected to signal corresponding with the first frequency range via duplexer
Transceiver TR1.Transmitting signal under FDD communication pattern is isolated by duplexer with signal is received, and guarantees to receive and transmitting can
It works normally simultaneously.In addition, under FDD communication pattern, for the aerial signal Tx to be emitted, in signal transceiver TR1 and double
Power amplifier can also be set between work device, to improve the radiant power for the aerial signal to be sent；For taking received day
Line signal Rx, can also be arranged other devices between signal transceiver TR1 and duplexer.Double-point double-throw switch and signal transmitting and receiving
Connection type between device TR1 does not constitute the limitation to the embodiment of the present disclosure.
It can be seen that in the case where the switch unit 140 is double-point double-throw switch in conjunction with Fig. 3 and Fig. 4, pass through control
The working condition of double-point double-throw switch and can make antenna assembly be suitable for both TDD communication pattern and FDD communication pattern, thus
Improve the flexibility and the scope of application of antenna assembly 100.
Fig. 5 is to schematically illustrate the block diagram of the third Working Examples of the antenna assembly of Fig. 1.In Fig. 5, with phase in Fig. 4
Same part uses identical appended drawing reference to indicate.First antenna unit 110,120 and of the second antenna element in Fig. 5
130 phase of first antenna unit 110, the second antenna element 120 and frequency range control unit in frequency range control unit 130 and Fig. 3
Together, identical as Fig. 4 for the transmission of the second frequency range f2 in first antenna signal in Fig. 5, and the electronic equipment is also at
FDD communication pattern.
Fig. 5 and Fig. 4 the difference is that, the switch unit 140 is single-pole double-throw switch (SPDT), rather than is as Fig. 4
Double-point double-throw switch.As shown in figure 5, the single-pole double-throw switch (SPDT) includes port 1,2,3.Single-pole double-throw switch (SPDT) in Fig. 5 will be described
One of frequency range control unit 130 and the second antenna element 120 are connected to duplexer.The duplexer is connected to corresponding with the first frequency range
Signal transceiver, thus in one of the frequency range control unit 130 and the second antenna element 120 and corresponding with the first frequency range
The signal of the first frequency range f1 is transmitted between signal transceiver TR1.About the duplexer and itself and signal transceiver TR1 and switch
The connection of unit 140 may refer to the description carried out above in conjunction with Fig. 4.
When the port of the single-pole double-throw switch (SPDT) 1 is connected to port 3, frequency range control unit 130 is connected to signal and is received
Send out device TR1.When the port of the single-pole double-throw switch (SPDT) 1 is connected to port 2, the second antenna element 120 is connected to signal and is received
Send out device TR1.Single-pole double-throw switch (SPDT) in Fig. 5 makes the realization of switch unit relatively easy and easily controllable.
Fig. 6 is to schematically illustrate the block diagram of the 4th Working Examples of antenna assembly of Fig. 1.In Fig. 6, with phase in Fig. 1
Same part uses identical appended drawing reference to indicate.First antenna unit 110,120 and of the second antenna element in Fig. 6
130 phase of first antenna unit 110, the second antenna element 120 and frequency range control unit in frequency range control unit 130 and Fig. 1
Together, identical as Fig. 1 for the transmission of the second frequency range f2 in first antenna signal in Fig. 6.Switch unit 140 in Fig. 6 can be with
For single-pole double-throw switch (SPDT), double-point double-throw switch or other types of switch.Electronic equipment may operate in various communication patterns,
Including but not limited to FDD communication pattern, TDD communication pattern.
Fig. 6 the difference from Fig. 1 is that, diversity reception is used to the aerial signal of the first frequency range f1.The frequency range control
Unit 130 processed from first antenna unit 110 isolate the signal of the first frequency range f1 in received first antenna signal, and by institute
The signal of first frequency range of separation is transmitted to the first receiver Rx1 in electronic equipment.The switch unit 140 is connected to described
Second antenna element, and the signal of the first frequency range f1 from the second antenna element is transmitted to second receiver Rx2.In Fig. 6
In, two-way reception is carried out using first antenna unit 110 and the second antenna element 120 for the signal of the first frequency range f1, and right
Received signal is handled, with the accuracy for the data that the signal increased using the first frequency range f1 transmits.This can be effective
Ground utilizes the advantage of two antenna elements, avoids the wasting of resources.It will be understood to those skilled in the art that combining Fig. 3-Fig. 5
Diversity reception as shown in FIG. 6 can also be increased in the antenna assembly of description, concrete implementation mode no longer describes.
It is described above after the antenna assembly of the embodiment of the present disclosure, any electronic equipment including said antenna device
It is also in the open scope of the embodiment of the present disclosure.
Fig. 7 is to schematically illustrate the flow chart of the control method for antenna assembly according to the embodiment of the present disclosure.Fig. 7
Shown in control method can be applied to above in conjunction with Fig. 1 describe antenna assembly.The antenna assembly may include first antenna list
Member, frequency range control unit, the second antenna element and the switch unit for being connected to first antenna unit.The first antenna unit
It can be transmitted the first antenna signal that its frequency range includes the first frequency range and the second frequency range.Second antenna element can be transmitted it
Frequency range includes the second aerial signal of the first frequency range.The switch unit is used to selectively connect to the frequency range control unit and
Two antenna elements.
First antenna unit can for loop aerial, slot antenna, unipole antenna or planar inverted F-antenna (PIFA) etc.,
Its concrete type does not constitute the limitation to the embodiment of the present disclosure.First antenna unit can be according to signal bandwidth, electronic equipment
Bulk etc. is appropriately arranged with.Different types of antenna can be selected for different communications bands.First antenna unit energy
Enough transmit the first antenna signal of the first frequency range f1 and the second frequency range f2.The frequency of second frequency range is different from first frequency range
Frequency.Typically, the frequency of the second frequency range is greater than the frequency of first frequency range.
The concrete type of second antenna element does not constitute the limitation to the embodiment of the present disclosure yet, and can using existing or
The various technologies occurred in the future are realized.The structure and type of second antenna element can be with the bandwidth of aerial signal, electronic equipment
Bulk etc. be appropriately arranged with.Different types of second antenna element can be selected for different communications bands.Second
The frequency range for the second aerial signal that antenna element is transmitted also includes the first frequency range f1, to be passed with first antenna unit
The frequency range of the first antenna signal sent is partly overlapped.Typically, overlapping with first antenna signal in the second aerial signal
Frequency range f1 is in order to guarantee communication quality of the electronic equipment in the first frequency range f1.First antenna unit can be primary antenna, second
Antenna element can be cooperation primary antenna using diversity antenna, effectively improves electronic equipment and receives wireless signal in the presence of a harsh environment
Sensitivity.It should be noted that the frequency range of the second aerial signal can also include other frequency ranges other than the first frequency range f1, it can also
Not include other frequency ranges.
Frequency range control unit may include filter etc..As an example, the frequency range control unit can will come from first antenna
The signaling zone of each frequency range in the first antenna signal of unit separates, and is transmitted to receiver corresponding with the frequency range.Frequency range
Control unit can also be in transmission antenna signal, and signal to be sent is transferred to first antenna unit.When frequency range controls list
When member also needs to control the second antenna element, both first antenna unit and the second antenna element may be coupled to,
It even may be also connected to more antenna elements.
Switch unit can be single-pole double-throw switch (SPDT), double-point double-throw switch etc..According to the need of work of electronic equipment, switch
At least one of the frequency range control unit and second antenna element can be connected to letter corresponding with the first frequency range by unit
Number transceiver, for transmitting and the signal of the first frequency range.
As shown in fig. 7, the control method can include: control the switch unit for the frequency range control unit and second
At least one of antenna element is connected to signal transceiver corresponding with the first frequency range, to transmit and receive the day of the first frequency range
Line signal (S710)；It is connected to signal transceiver corresponding with the second frequency range with by the frequency range control unit, thus without
Transmit and receive to the switch unit aerial signal (S720) of the second frequency range.
First antenna signal from first antenna unit and the second aerial signal from the second antenna element all include
The signal of first frequency range f1.Electronic equipment may only need to transmit the signal of the first frequency range, this example using an antenna element
As occurred in the case where the second antenna element is the Backup Antenna in first antenna unit.The first antenna unit and second
Antenna element can be located separated from each other at the different location in the electronic equipment.Correspondingly, described to control the frequency range
At least one of unit and the second antenna element are connected to signal transceiver (S710) corresponding with the first frequency range can include:
In the case where detecting that the first antenna unit is blocked, controls the switch unit and be connected to second antenna element
Signal transceiver corresponding with the first frequency range；In the case where detecting that second antenna element is blocked, opened described in control
It closes unit and the frequency range control unit is connected to signal transceiver corresponding with the first frequency range.Specific description may refer to tie
Close the description that Fig. 2 is carried out.In addition, the case where electronic equipment needs the signal using two antenna elements to transmit the first frequency range
Under, the frequency range control unit and the second antenna element can both be connected to signal corresponding with the first frequency range by switch unit
Transceiver.
In S720, the first frequency range from the first antenna signal of first antenna unit is distinguished in frequency range control unit
After signal and the second frequency band signals, the signal of the second frequency range in first antenna signal is sent to corresponding with the second frequency range
Signal transceiver, to realize the transmission and reception of the aerial signal of second frequency range.The second frequency range in first antenna signal
Signal does not pass through switch unit.That is, not having in the transmission path of the signal of the second frequency range in first antenna signal
The insertion loss of switch unit, so as to improve second frequency range signal communication quality.
When antenna assembly is in working condition shown in Fig. 3, that is, the electronic equipment is in TDD communication pattern, described
Switch unit is double-point double-throw switch, in S710, can control the double-point double-throw switch by the frequency range control unit and
One of second antenna element is connected to signal transceiver corresponding with the first frequency range.Specific content can refer to Fig. 3 and combination
The description that Fig. 3 is carried out.
In the case where antenna assembly is in working condition shown in Fig. 4, when the electronic equipment is from time division duplex communication
When pattern switching is to frequency duplex communications mode, in S710, can control the double-point double-throw switch will be with the first frequency range pair
One of two ports of the signal transceiver connection answered are hanging；And control the double-point double-throw switch will be in described two ports
Another is connected to duplexer, which is connected to signal corresponding with the first frequency range receipts for frequency duplex communications mode
Send out device.Specific content can be with reference to Fig. 4 and the description for combining Fig. 4 to carry out.
In the case where antenna assembly is in working condition shown in fig. 5, the electronic equipment is in frequency duplex communications
Mode, the switch unit is single-pole double-throw switch (SPDT), in S710, can control the single-pole double throw and opens and control the frequency range
One of unit and the second antenna element are connected to duplexer, which is connected to signal transceiver corresponding with the first frequency range,
For being passed between one of the frequency range control unit and the second antenna element and signal transceiver corresponding with the first frequency range
Send the signal of the first frequency range.Specific content can be with reference to Fig. 5 and the description for combining Fig. 5 to carry out.
In the case where antenna assembly is in working condition shown in fig. 6, the electronic equipment includes and the first frequency range
Corresponding first receiver of signal and second receiver, the control method further include: using frequency range control unit from first day
The signal of the first frequency range is isolated in the received first antenna signal of line unit, and the signal of the first separated frequency range is transmitted
To the first receiver (S730), as shown by a dashed line in fig 7.In S710, can control the switch unit be connected to it is described
Second antenna element will be passed without connected to the frequency range control unit from the signal of the first frequency range of the second antenna element
It is sent to second receiver.Specific content can be with reference to Fig. 6 and the description for combining Fig. 6 to carry out.
In the technical solution of the above-mentioned control method of the embodiment of the present disclosure, by being suitably set switch unit in antenna
Position in device and the operation for controlling the switch unit can avoid switch single in the transmission path of some antennas signal
The insertion loss of member, to improve the signal quality of some antennas signal.
It is apparent to those skilled in the art that for convenience and simplicity of description, foregoing description is used for
The specific implementation of device involved in the control method of antenna assembly and unit, can be with reference to the figure in aforementioned device embodiment
Show and operate, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device and method, it can be by other
Mode realize.For example, the part steps in above method embodiment can be reconfigured, or it can change part steps
Before execute sequence.
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, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. a kind of antenna assembly, is applied to an electronic equipment, the antenna assembly includes:
First antenna unit, can be transmitted the first antenna signal of multiple frequency ranges, and multiple frequency range includes the first frequency range and second
Frequency range, the frequency of the second frequency range are different from the frequency of first frequency range；
Second antenna element can be transmitted the second aerial signal, and the frequency range of second aerial signal includes first frequency range；
Frequency range control unit is connected to first antenna unit, in the first antenna unit and signal corresponding with the second frequency range
The signal of the second frequency range in the first antenna signal is transmitted between transceiver；
At least one of the frequency range control unit and second antenna element are connected to corresponding with the first frequency range by switch unit
Signal transceiver, for transmit with the signal of the first frequency range,
Wherein, using the signal of the first frequency range of diversity reception, the electronic equipment further includes and the first frequency range
Corresponding first receiver of signal and second receiver, the frequency range control unit operation are received for from first antenna unit
The signal of the first frequency range is isolated in first antenna signal, and the signal of the first separated frequency range is transmitted to the first reception
Device, switch unit operation are signal that the first frequency range is received from the second antenna element, and by the first received frequency range
Signal be transmitted to second receiver.
2. antenna assembly according to claim 1, wherein the first antenna unit and the second antenna element are separated from each other status
Different location in the electronic equipment, the frequency of second frequency range are higher than the frequency of first frequency range.
3. antenna assembly according to claim 1, wherein the electronic equipment is in time division duplex communication mode, the switch
Unit is double-point double-throw switch, which is used to connect one of the frequency range control unit and second antenna element
To signal transceiver corresponding with the first frequency range.
4. antenna assembly according to claim 3, wherein the electronic equipment can also work in frequency duplex communications mode,
When the electronic equipment is switched to frequency duplex communications mode from time division duplex communication mode, the double-point double-throw switch is controlled
It is made as to be connected to one of two ports of signal transceiver corresponding with the first frequency range vacantly, and will be in described two ports
Another is connected to duplexer, which is connected to signal corresponding with the first frequency range receipts for frequency duplex communications mode
Send out device.
5. antenna assembly according to claim 1, wherein the electronic equipment is in frequency duplex communications mode, the switch
Unit is single-pole double-throw switch (SPDT), which is connected to one of the frequency range control unit and second antenna element double
Work device, the duplexer are connected to signal transceiver corresponding with the first frequency range, thus in the frequency range control unit and second day
The signal of the first frequency range is transmitted between one of line unit and signal transceiver corresponding with the first frequency range.
6. a kind of control method for antenna assembly, which is applied to an electronic equipment, and including first antenna list
Member, frequency range control unit, the second antenna element and the switch unit for being connected to first antenna unit, the first antenna unit
It can be transmitted the first antenna signal that its frequency range includes the first frequency range and the second frequency range, second antenna element can be transmitted it
Frequency range includes the second aerial signal of the first frequency range, and the switch unit is used to selectively connect to the frequency range control unit and
Two antenna elements, the control method include:
The switch unit is controlled to be connected at least one of the frequency range control unit and second antenna element and first
The corresponding signal transceiver of frequency range, to transmit and receive the aerial signal of the first frequency range；With
The frequency range control unit is connected to signal transceiver corresponding with the second frequency range, thus without the switch unit
Ground transmission and the aerial signal for receiving the second frequency range,
Wherein, using the signal of the first frequency range of diversity reception, the electronic equipment further includes and the first frequency range
Corresponding first receiver of signal and second receiver, the control method further include: control the frequency range control unit from
Isolate the signal of the first frequency range in the received first antenna signal of first antenna unit, and by the letter of the first separated frequency range
Number it is transmitted to the first receiver, controls the switch unit and receive the signal of the first frequency range from the second antenna element, and will be connect
The signal received is transmitted to second receiver.
7. control method according to claim 6, wherein the first antenna unit and the second antenna element are separated from each other status
Different location in the electronic equipment, the frequency of second frequency range are higher than the frequency of first frequency range, the control
At least one of the frequency range control unit and second antenna element are connected to corresponding with the first frequency range by the switch unit
Signal transceiver include:
In the case where detecting that the first antenna unit is blocked, the switch unit is controlled by second antenna element
It is connected to signal transceiver corresponding with the first frequency range；
In the case where detecting that second antenna element is blocked, the switch unit is controlled by the frequency range control unit
It is connected to signal transceiver corresponding with the first frequency range.
8. control method according to claim 6, wherein the electronic equipment is in time division duplex communication mode, the switch
Unit is double-point double-throw switch, the control switch unit by the frequency range control unit and the second antenna element extremely
Few one is connected to signal transceiver corresponding with the first frequency range and includes:
The double-point double-throw switch is controlled to be connected to one of the frequency range control unit and second antenna element and the first frequency range
Corresponding signal transceiver.
9. control method according to claim 8, wherein the electronic equipment can also work in frequency duplex communications mode,
When the electronic equipment is switched to frequency duplex communications mode from time division duplex communication mode, the control switch unit
At least one of the frequency range control unit and second antenna element are connected to signal transceiver corresponding with the first frequency range
Further include:
It is hanging to control one of two ports that the double-point double-throw switch connects signal transceiver corresponding with the first frequency range；
It controls the double-point double-throw switch and another in described two ports is connected to duplexer, which is connected to use
In the signal transceiver corresponding with the first frequency range of frequency duplex communications mode.
10. control method according to claim 6, wherein the electronic equipment is in frequency duplex communications mode, the switch
Unit is single-pole double-throw switch (SPDT), the control switch unit by the frequency range control unit and the second antenna element extremely
Few one is connected to signal transceiver corresponding with the first frequency range and includes:
It controls the single-pole double throw and opens and one of the frequency range control unit and second antenna element are connected to duplexer, the duplex
Device is connected to signal transceiver corresponding with the first frequency range, in one of the frequency range control unit and the second antenna element
The signal of the first frequency range is transmitted between signal transceiver corresponding with the first frequency range.
11. a kind of electronic equipment, including the antenna assembly as described in any one of claims 1 to 5.
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| CN201510114167.5A CN106033840B (en) | 2015-03-16 | 2015-03-16 | Antenna assembly, control method and electronic equipment for it |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108206733B (en) * | 2016-12-19 | 2020-11-27 | 辰芯科技有限公司 | Point-to-point communication device and system supporting FDD |
| CN107069241B (en) * | 2017-03-06 | 2020-05-26 | 联想(北京)有限公司 | Carrier aggregation radio frequency circuit and method therefor |
| CN106921041B (en) * | 2017-03-31 | 2020-09-25 | 维沃移动通信有限公司 | Antenna control system, method and mobile terminal |
| CN107394363A (en) * | 2017-06-22 | 2017-11-24 | 深圳市金立通信设备有限公司 | A kind of external antenna device, its connection method and terminal |
| CN108495289B (en) * | 2018-03-30 | 2019-12-17 | 维沃移动通信有限公司 | D2D communication method, mobile terminal and radio frequency module |
| CN109802693B (en) * | 2019-03-28 | 2021-05-18 | 联想(北京)有限公司 | Electronic equipment and radio frequency signal transceiving method |
| CN110311696A (en) * | 2019-06-26 | 2019-10-08 | 维沃移动通信有限公司 | A kind of radio circuit and terminal |
| CN114079987A (en) * | 2020-08-17 | 2022-02-22 | 宇龙计算机通信科技(深圳)有限公司 | Control method and device of antenna switch template, storage medium and electronic equipment |
| CN114978201B (en) * | 2021-02-25 | 2024-02-02 | Oppo广东移动通信有限公司 | Radio frequency front end module and electronic equipment |
| CN115276691A (en) * | 2021-10-14 | 2022-11-01 | 神基科技股份有限公司 | Wireless signal receiving device and system |
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