CN106160775B - A kind of radio frequency path and terminal - Google Patents
A kind of radio frequency path and terminal Download PDFInfo
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- CN106160775B CN106160775B CN201510173777.2A CN201510173777A CN106160775B CN 106160775 B CN106160775 B CN 106160775B CN 201510173777 A CN201510173777 A CN 201510173777A CN 106160775 B CN106160775 B CN 106160775B
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Abstract
The present invention provides a kind of radio frequency path and terminals, wherein, radio frequency path includes: multiple transmitting full range bandpass filters, multiple transmitting narrow-band pass filters and multiple second switches, each corresponding filtering wave band of transmitting full range bandpass filter, each corresponding filtering wave band of transmitting narrow-band pass filter, and it is identical as the transmitting full range bandpass filter and the transmitting filtering wave band of narrow-band pass filter that the same second switch is connected；Multiple first receive full range bandpass filter, multiple first reception narrow-band pass filters and multiple thirds switch, each first corresponding filtering wave band of reception full range bandpass filter, each first corresponding filtering wave band of reception narrow-band pass filter, and it is identical as the first reception full range bandpass filter and the first reception filtering wave band of narrow-band pass filter that same third switch is connected.This programme solves the problems, such as each indicator deviation of transmitting of frequency range intercarrier aggregation scheme and there are mutual interferences with 2.4GHz WiFi.
Description
Technical field
The present invention relates to mobile communication technology field, a kind of radio frequency path and terminal are particularly related to.
Background technique
From LTE to LTE-Advanced in the evolution process of system, the demand of more wide spectrum will be the most heavy of influence evolution
Want factor, therefore, carrier aggregation technology occur, multiple carrier waves can be aggregated into a broader frequency spectrum well by it, together
When some discontinuous frequency spectrum fragments can also be aggregated to together.Carrier aggregation technology very well satisfies LTE and LTE-
The requirement of Advanced system spectrum compatibility.Wherein, multi-carrier polymerizing is divided into continuous carrier polymerization and discontinuous carrier polymerization.
But carrier aggregation scheme has following defects that in the prior art
Frequency range intercarrier is polymerize, especially with interior continuous scene, transmitting and receive RF index generally can be with
The increase of carrier wave and deteriorate, such as out-of-band emission is spuious, ACLR (sender neighboring trace radiant power ratio), receiving sensitivity all can not
Same worsening degree, especially TD-LTE B41 and B40 can also deteriorate the mutual interference of 2.4GHz WiFi；
For carrier aggregation scene between frequency range, needs additionally to increase an antenna body again, increase antenna occupied terminal
Space additionally increases Diplexer (duplexer), leads to the space for not only increasing cost but also increasing occupied terminal complete machine,
While also result in the Insertion Loss for increasing radio-frequency receiving-transmitting access, cause receiving sensitivity launching target (power, power consumption) that can all deteriorate；
For carrier aggregation scene discontinuous in frequency range, existing scheme can generally be received and dispatched using identical two sets of front radio-frequencies
Access causes device cost to increase, and occupies PCB (printed circuit board) area and increases, antenna occupied space is bigger than normal.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of radio frequency path and terminal, solves carrier wave in the prior art and polymerize
Scheme has that ineffective radio-frequency receiving-transmitting, higher cost or occupied space are larger.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of radio frequency path, comprising:
First antenna, for switch the first switch for selecting the first antenna communication channel, first transmitting filter circuit,
First power amplifier, the first radio frequency chip and the first wave reception filtering circuit；
Wherein, the first transmitting filter circuit includes: multiple transmitting full range bandpass filters, the filter of multiple transmitting narrow bandpass
Wave device and for switch gate it is described transmitting full range bandpass filter and emit narrow-band pass filter multiple second switches, it is each
The corresponding filtering wave band of a transmitting full range bandpass filter, each corresponding filtering wave band of transmitting narrow-band pass filter,
And the filtering wave for the transmitting full range bandpass filter and transmitting narrow-band pass filter being connected with the same second switch
Duan Xiangtong；
First wave reception filtering circuit includes: multiple first receptions full range bandpass filters, multiple first receptions narrowband
Bandpass filter and for switch gating it is described first receive full range bandpass filter and first receive narrow-band pass filter it is multiple
Third switch, each first corresponding filtering wave band of reception full range bandpass filter, each first reception narrow bandpass filter
Wave device corresponds to a filtering wave band, and the first reception full range bandpass filter that is connected with the same third switch and
The filtering wave band of first reception narrow-band pass filter is identical；
Transmission channel circuit in first radio frequency chip is by the first radio signal transmission to first power amplification
Device, first power amplifier amplifies first radiofrequency signal, and amplified first radio signal transmission is arrived
The second switch, the second switch gates the transmitting full range bandpass filter or transmitting narrow-band pass filter, by described
Transmitting full range bandpass filter or transmitting narrow-band pass filter are filtered first radiofrequency signal, and will be at filtering
First radiofrequency signal after reason is transmitted to the first antenna by the first switch；
The first antenna receives the second radiofrequency signal, by second radiofrequency signal by the first switch gate to
Described first receives full range bandpass filter or the first reception narrow-band pass filter, receives full range bandpass filter by described first
Or first reception narrow-band pass filter second radiofrequency signal is filtered, and by described second after filtering processing
Radiofrequency signal is transmitted in the main receiving channel circuit of first radio frequency chip by third switch.
Wherein, the radio frequency path further include: the second antenna, for switching selection the second antenna communication channel
Four switches and the second wave reception filtering circuit；
Wherein, second wave reception filtering circuit includes: multiple second receptions full range bandpass filters, multiple second receptions
Narrow-band pass filter and full range bandpass filter and second is received for switching gating described second receive narrow-band pass filter
Multiple 5th switches, each receives the corresponding filtering wave band of full range bandpass filter, each receives narrow-band pass filter
A corresponding filtering wave band, and described second to be connected with same 5th switch receives full range bandpass filter and second
The filtering wave band for receiving narrow-band pass filter is identical；
The first antenna receives third radiofrequency signal, extremely by the 4th switching gate by the third radiofrequency signal
Described second receives full range bandpass filter or the second reception narrow-band pass filter, receives full range bandpass filter by described second
Or second reception narrow-band pass filter the third radiofrequency signal is filtered, and by the third after filtering processing
Radiofrequency signal is transmitted in the diversity reception channel circuit of first radio frequency chip by the 5th switch.
Wherein, when terminal is non-carrier polymerization state, the second switch gates the transmitting full range bandpass filter,
Full range bandpass filter is received described in the third switching gate；When terminal is intralband carrier aggregation state, described second is opened
It closes and gates the transmitting narrow-band pass filter, receive narrow-band pass filter described in the third switching gate.
Wherein, when terminal is non-carrier polymerization state, reception full range bandpass filter described in the 5th switching gate；
When terminal is intralband carrier aggregation state, narrow-band pass filter is received described in the 5th switching gate.
Wherein, the first switch is wholely set with the first transmitting filter circuit and/or the first wave reception filtering circuit.
Wherein, the 4th switch is wholely set with the second wave reception filtering circuit.
Wherein, the first switch and the 4th switch are single pole multiple throw.
Wherein, the second switch, third switch and the 5th switch are single-pole double-throw switch (SPDT).
The present invention also provides a kind of radio frequency paths, comprising:
Third antenna, the 6th switch for switching the selection third antenna communication channel, the first transmitting combining filtering
Device, first receive branching filter, the second power amplifier, third power amplifier, the second radio frequency chip and third radio frequency core
Piece；
Wherein, the first transmitting combining filter is identical as the first reception filtering wave band of branching filter；
The third antenna receives the 4th radiofrequency signal, extremely by the 6th switching gate by the 4th radiofrequency signal
Described first receives branching filter, and the 4th radiofrequency signal is multi-band signal；
The 4th radiofrequency signal branch is the first branch radiofrequency signal and second by the first reception branching filter
Branch radiofrequency signal is simultaneously filtered respectively, and filtered first branch radiofrequency signal and the second branch radiofrequency signal are passed respectively
The main receiving channel circuit for transporting to second radio frequency chip neutralizes the first main receiving channel circuit of the third radio frequency chip
In；
The transmission channel circuit of second radio frequency chip by the 5th radio signal transmission to second power amplifier,
Second power amplifier amplifies the 5th radiofrequency signal, by amplified 5th radio signal transmission to described the
One transmitting combining filter；First transmission channel circuit of the third radio frequency chip is by the 6th radio signal transmission to described
Three power amplifiers, the third power amplifier amplify the 6th radiofrequency signal, and amplified 6th radio frequency is believed
Number it is transmitted to the first transmitting combining filter；The first transmitting combining filter believes amplified 5th radio frequency
Number and the 6th radiofrequency signal be filtered combining processing respectively, and will filtering combining treated the 5th radiofrequency signal and the
Six radiofrequency signals are transmitted to the third antenna by the 6th switch.
Wherein, the first transmitting combining filter is transmitting alliteration surface wave filter or transmitting dual band pass integrating filtering
Device；The reception branching filter is to receive alliteration surface wave filter or reception dual band pass integrated filter.
Wherein, the radio frequency path further includes the first emission bandpass filter and the first reception bandpass filter；
Wherein, the first emission bandpass filter is identical as the filtering wave band of the first reception bandpass filter, and with institute
The filtering wave band for stating the first transmitting combining filter and the first reception branching filter is different；
The third antenna receives the 7th radiofrequency signal, extremely by the 6th switching gate by the 7th radiofrequency signal
First reception bandpass filter, first reception bandpass filter are filtered the 7th radiofrequency signal,
And it will be in the second main receiving channel circuit of the 7th radio signal transmission after filtering processing to the third radio frequency chip；
The second transmission channel circuit in the third radio frequency chip is by the 8th radio signal transmission to the third power
Amplifier, the third power amplifier amplifies the 8th radiofrequency signal, by amplified 8th radio signal transmission
To the first emission bandpass filter, the first emission bandpass filter is filtered place to the 8th radiofrequency signal
Reason, and the 8th radiofrequency signal after filtering processing is transmitted to the third antenna by the 6th switch.
Wherein, the 6th switch receives branching filter and/or first with the first transmitting combining filter and/or first
Emission bandpass filter and/or the first reception bandpass filter are wholely set.
Wherein, the radio frequency path further include: the 4th antenna, for switching selection the 4th antenna communication channel
Seven switches and second receive branching filter；
4th antenna receives the 9th radiofrequency signal, extremely by the 7th switching gate by the 9th radiofrequency signal
Described second receives branching filter, and the 9th radiofrequency signal is multi-band signal；
The 9th radiofrequency signal branch is third branch radiofrequency signal and the 4th by the second reception branching filter
Branch radiofrequency signal is simultaneously filtered respectively, and filtered third branch radiofrequency signal and the 4th branch radiofrequency signal are passed respectively
The diversity reception channel circuit for transporting to second radio frequency chip neutralizes the first diversity reception channel of the third radio frequency chip
In circuit.
Wherein, the radio frequency path further includes the second reception bandpass filter；
Wherein, second reception bandpass filter is different from the second reception filtering wave band of branching filter；
4th antenna receives the tenth radiofrequency signal, extremely by the 7th switching gate by the tenth radiofrequency signal
Second reception bandpass filter, second reception bandpass filter are filtered the tenth radiofrequency signal,
And by the second diversity reception channel circuit of the tenth radio signal transmission after filtering processing to the third radio frequency chip
In.
Wherein, the 7th switch is wholely set with the second reception branching filter and/or the second reception bandpass filter.
Wherein, the 7th switch is single-pole double-throw switch (SPDT).
Wherein, the 6th switch is single pole multiple throw.
The present invention also provides a kind of radio frequency paths, comprising:
5th antenna, for switching the 8th switch for selecting the 5th antenna communication channel, the 6th antenna, for switching
It selects the 9th switch of the 6th antenna communication channel, the 7th antenna, be used to switch selection the 7th antenna communication channel
The tenth switch, amplification combining filter circuit, multiple third reception bandpass filters, multiple 4th reception bandpass filters, the
Four radio frequency chips and the 5th radio frequency chip；
5th antenna receives the 11st radiofrequency signal, and the 11st radiofrequency signal is selected by the 8th switch
The third reception bandpass filter is passed to, the third reception bandpass filter is filtered the 11st radiofrequency signal
Processing, and by the main receiving channel circuit of the 11st radio signal transmission after filtering processing to the 4th radio frequency chip
In；
12nd radio signal transmission to the amplification is combined and filters by the transmission channel circuit of the 4th radio frequency chip
13rd radio signal transmission to the amplification is combined filtered electrical by the transmission channel circuit of circuit, the 5th radio frequency chip
Road, the amplification combining filter circuit amplify at combining filtering the 12nd radiofrequency signal and the 13rd radiofrequency signal
Reason, and amplification is combined the 12nd radiofrequency signal after filtering processing and the 13rd radiofrequency signal and passes through the 9th switch
It is transmitted to the 6th antenna；
7th antenna receives the 14th radiofrequency signal, and the 14th radiofrequency signal is selected by the tenth switch
The 4th reception bandpass filter is passed to, the 4th reception bandpass filter is filtered the 14th radiofrequency signal
Processing, and by the main receiving channel circuit of the 14th radio signal transmission after filtering processing to the 5th radio frequency chip
In.
Wherein, the amplification combining filter circuit includes: multiple first combiners, the 4th power amplifier and multiple second
Emission bandpass filter；
Wherein, the 12nd radiofrequency signal and the 13rd radiofrequency signal are combined by first combiner, and will
The 12nd radiofrequency signal and the 13rd radio signal transmission after combining are to the 4th power amplifier；
4th power amplifier amplifies the 12nd radiofrequency signal and the 13rd radiofrequency signal after the combining, will put
The 12nd radiofrequency signal after the combining and the 13rd radio signal transmission after big are to the second emission bandpass filter；
The second emission bandpass filter to the 12nd radiofrequency signal and the 13rd radiofrequency signal received into
Row filtering processing, and by after filtering processing the 12nd radiofrequency signal and the 13rd radiofrequency signal by it is described 9th switch
It is transmitted to the 6th antenna；
Wherein, the 12nd radiofrequency signal and the 13rd radiofrequency signal are same frequency band signals.
Wherein, the 9th switch is wholely set at least two second emission bandpass filters.
Wherein, first combiner is wholely set with the second emission bandpass filter.
Wherein, the amplification combining filter circuit includes: the 5th power amplifier, the 6th power amplifier, multiple second
Combiner and multiple third emission bandpass filters；
Wherein, the 5th power amplifier amplifies the 12nd radiofrequency signal, and by amplified 12nd radio frequency
Signal is transmitted to second combiner；6th power amplifier amplifies the 13rd radiofrequency signal, and will be after amplification
The 13rd radio signal transmission to second combiner；
Second combiner is combined amplified 12nd radiofrequency signal and the 13rd radiofrequency signal, and
By after combining amplified 12nd radiofrequency signal and the 13rd radio signal transmission to the third transmitting band
Bandpass filter；
The third emission bandpass filter to the 12nd radiofrequency signal and the 13rd radiofrequency signal received into
Row filtering processing, and by after filtering processing the 12nd radiofrequency signal and the 13rd radiofrequency signal by it is described 9th switch
It is transmitted to the 6th antenna；
Wherein, the 12nd radiofrequency signal and the 13rd radiofrequency signal are same frequency band signals.
Wherein, the 9th switch is wholely set at least two third emission bandpass filters.
Wherein, second combiner is wholely set with third emission bandpass filter.
Wherein, the radio frequency path further include: the 8th antenna, for switching selection the 8th antenna communication channel
11 switches and multiple 5th reception bandpass filters；
8th antenna receives the 15th radiofrequency signal, and the 15th radiofrequency signal is passed through the 11st switch
For gating to the 5th reception bandpass filter, the 5th reception bandpass filter filters the 15th radiofrequency signal
Wave processing, and by the 15th radio signal transmission after filtering processing to the diversity reception channel of the 4th radio frequency chip
In circuit.
Wherein, the 8th switch, the 9th switch, the tenth switch and the 11st switch are single-pole three-throw switch.
Wherein, the radio frequency path further include: ninth antenna, for switching the selection ninth antenna communication channel
12 switches and multiple 6th reception bandpass filters；
The ninth antenna receives the 16th radiofrequency signal, and the 16th radiofrequency signal is passed through the 12nd switch
For gating to the 6th reception bandpass filter, the 6th reception bandpass filter filters the 16th radiofrequency signal
Wave processing, and by the 16th radio signal transmission after filtering processing to the diversity reception channel of the 5th radio frequency chip
In circuit.
Wherein, the 12nd switch is single-pole three-throw switch.
The present invention also provides a kind of terminals, comprising: above-mentioned radio frequency path.
The advantageous effects of the above technical solutions of the present invention are as follows:
In above scheme, the radio frequency path makes terminal exist by setting full range bandpass filter and narrow-band pass filter
When intralband carrier aggregation state, can solve the problems, such as that radio-frequency receiving-transmitting is ineffective by narrow radio frequency closed-circuit working；It is described
Radio frequency path reduces the Insertion Loss and terminal cost of transmitting-receiving access by using transmitting combining filter and reception branching filter,
And reduces device and occupy PCB surface product；The radio frequency path reduces radio-frequency front-end device by using amplification combining filter circuit
Part cost and terminal Overall Power Consumption, and reduce device and occupy the area of PCB and the space of antenna occupancy complete machine.
Detailed description of the invention
Fig. 1 is the embodiment of the present invention with interior continuous carrier polymerization radio frequency path structural schematic diagram；
Fig. 2 is the interband carrier aggregation radio frequency path structural schematic diagram of the embodiment of the present invention；
Fig. 3 is the embodiment of the present invention with interior discontinuous carrier wave polymerization radio frequency path structural schematic diagram one；
Fig. 4 is the embodiment of the present invention with interior discontinuous carrier wave polymerization radio frequency path structural schematic diagram two；
Fig. 5 is the embodiment of the present invention with interior discontinuous carrier wave polymerization radio frequency path structural schematic diagram three.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
In view of the prior art there is the ineffective, higher cost of transmitting-receiving or occupied space in middle carrier aggregation scheme to the present invention
Larger problem provides following several technical solutions, is suitable for LTE multimode terminal:
The first scheme: for interior continuous carrier aggregation scene
The present invention provides a kind of radio frequency paths, as shown in Figure 1, comprising:
First antenna, for switch the first switch for selecting the first antenna communication channel, first transmitting filter circuit,
First power amplifier, the first radio frequency chip and the first wave reception filtering circuit；
Wherein, the first transmitting filter circuit includes: multiple transmitting full range bandpass filters, the filter of multiple transmitting narrow bandpass
Wave device and for switch gate it is described transmitting full range bandpass filter and emit narrow-band pass filter multiple second switches, it is each
The corresponding filtering wave band of a transmitting full range bandpass filter, each corresponding filtering wave band of transmitting narrow-band pass filter,
And the filtering wave for the transmitting full range bandpass filter and transmitting narrow-band pass filter being connected with the same second switch
Duan Xiangtong；
First wave reception filtering circuit includes: multiple first receptions full range bandpass filters, multiple first receptions narrowband
Bandpass filter and for switch gating it is described first receive full range bandpass filter and first receive narrow-band pass filter it is multiple
Third switch, each first corresponding filtering wave band of reception full range bandpass filter, each first reception narrow bandpass filter
Wave device corresponds to a filtering wave band, and the first reception full range bandpass filter that is connected with the same third switch and
The filtering wave band of first reception narrow-band pass filter is identical；
Transmission channel circuit in first radio frequency chip is by the first radio signal transmission to first power amplification
Device, first power amplifier amplifies first radiofrequency signal, and amplified first radio signal transmission is arrived
The second switch, the second switch gates the transmitting full range bandpass filter or transmitting narrow-band pass filter, by described
Transmitting full range bandpass filter or transmitting narrow-band pass filter are filtered first radiofrequency signal, and will be at filtering
First radiofrequency signal after reason is transmitted to the first antenna by the first switch；
The first antenna receives the second radiofrequency signal, by second radiofrequency signal by the first switch gate to
Described first receives full range bandpass filter or the first reception narrow-band pass filter, receives full range bandpass filter by described first
Or first reception narrow-band pass filter second radiofrequency signal is filtered, and by described second after filtering processing
Radiofrequency signal is transmitted in the main receiving channel circuit of first radio frequency chip by third switch.
The radio frequency path provided by the invention is made by setting full range bandpass filter and narrow-band pass filter at end
End can meet the needs of various scenes by full frequency band radio frequency path when being non-carrier polymerization state；So that terminal is in band
When carrier wave polymerization state, can solve the problems, such as that radio-frequency receiving-transmitting is ineffective, and narrow bandpass by narrow radio frequency closed-circuit working
All RF indexes of filter are better than the full frequency band bandpass filter with frequency range, can improve transmitting RF index with carrier wave
The increase of number and deteriorate (such as improve out-of-band emission is spuious, ACLR and reduce transmitting power consumption), while reception spirit can be promoted
Sensitivity improves TD-LTE B41/B40 and mutual interference coexists to 2.4GHz WiFi.
Wherein, the bandwidth of narrow-band pass filter can be 10MHz or 20MHz or 40MHz；" Whole frequency band " in Fig. 1 represents complete
Band-pass filter, " narrowband " represent narrow-band pass filter.
In order to guarantee the communication quality under 4G Web vector graphic scene, as shown in Figure 1, the radio frequency provided by the invention is logical
Road further include: the second antenna, the 4th switch for switching selection the second antenna communication channel and second accept filter electricity
Road；
Wherein, second wave reception filtering circuit includes: multiple second receptions full range bandpass filters, multiple second receptions
Narrow-band pass filter and full range bandpass filter and second is received for switching gating described second receive narrow-band pass filter
Multiple 5th switches, each receives the corresponding filtering wave band of full range bandpass filter, each receives narrow-band pass filter
A corresponding filtering wave band, and described second to be connected with same 5th switch receives full range bandpass filter and second
The filtering wave band for receiving narrow-band pass filter is identical；
The first antenna receives third radiofrequency signal, extremely by the 4th switching gate by the third radiofrequency signal
Described second receives full range bandpass filter or the second reception narrow-band pass filter, receives full range bandpass filter by described second
Or second reception narrow-band pass filter the third radiofrequency signal is filtered, and by the third after filtering processing
Radiofrequency signal is transmitted in the diversity reception channel circuit of first radio frequency chip by the 5th switch.
In order to have preferable using effect, when terminal is non-carrier polymerization state, described in the second switch gating
Emit full range bandpass filter, reception full range bandpass filter described in the third switching gate；When terminal is poly- for in-band carrier
When conjunction state, the second switch gates the transmitting narrow-band pass filter, receives narrow bandpass described in the third switching gate
Filter.
Equally, when terminal is non-carrier polymerization state, reception full range bandpass filter described in the 5th switching gate；
When terminal is intralband carrier aggregation state, narrow-band pass filter is received described in the 5th switching gate.
In order to have higher integrated level, first switch described in the radio frequency path provided by the invention and the first transmitting
Filter circuit and/or the first wave reception filtering circuit are wholely set, can also be with same filtering wave band any in the first transmitting filter circuit
Transmitting full range bandpass filter and transmitting narrow-band pass filter, and/or, it is any with filtering wave band in the first wave reception filtering circuit
First reception full range bandpass filter and first reception narrow-band pass filter be wholely set, the application is merely illustrative herein
The case where being wholely set, does not limit the specific combined situation being wholely set；
It is described 4th switch be wholely set with the second wave reception filtering circuit, can also with it is any in the second wave reception filtering circuit
It is wholely set with the second reception full range bandpass filter of filtering wave band and the second reception narrow-band pass filter, the application is at this
It is to illustrate the case where being wholely set, the specific combined situation being wholely set is not limited.
Specifically, the first switch and the 4th switch are single pole multiple throw；The second switch, third are opened
It closes and the 5th switch is single-pole double-throw switch (SPDT).
Wherein, full range bandpass filter is equal with the quantity of narrow-band pass filter in each above-mentioned radio-frequency signal path,
And filtering wave band is identical, filtering wave band is chosen as wave band 39, wave band 40 or wave band 41 etc..
It should be noted that above-mentioned radiofrequency signal, which is delivered in, reaches switch (first switch, second switch, third switch,
Four switches, the 5th switch) when, need to pass the signal along to corresponding contact in switch, then switch just can be carried out corresponding letter
Breath transmitting；When above-mentioned radiofrequency signal is transferred to antenna (first antenna, the second antenna) by switching (first switch, the 4th switch)
When, antenna emits the radiofrequency signal；When above-mentioned radiofrequency signal is transferred to the first radio frequency chip, the first radio frequency chip will
The radiofrequency signal is modulated, and is modulated to analog baseband signal, and carry out relevant information transmitting.
It is provided by the invention it is above-mentioned for narrow radio frequency access in the scheme with interior continuous carrier aggregation scene using
Narrow-band pass filter, the width of narrow-band pass filter better than used in the prior art with interior Insertion Loss index and Out-of-band rejection index
Bandpass filter；And narrow-band pass filter low with interior Insertion Loss, that Out-of-band rejection degree is high is placed in transmitting path and can reduce transmitting band
Outer spuious, improvement ACLR, transmitting power consumption is reduced；Receiving path Insertion Loss will be reduced by being placed in receiving path, while can also be promoted
Receiving sensitivity, the high out-of-side rejection degree of narrowband pass filter can also reduce the obstruction from the other systems of adjacent frequency and do with spuious
It disturbs；This programme is realized by setting full range bandpass filter (full frequency band bandpass filter) and narrow-band pass filter with interior continuous
Carrier wave polymerize the switching of usage scenario and non-carrier polymerization usage scenario.
Second scheme: it is directed to interband carrier aggregation scene
The present invention provides a kind of radio frequency paths, as shown in Figure 2, comprising:
Third antenna, the 6th switch for switching the selection third antenna communication channel, the first transmitting combining filtering
Device, first receive branching filter, the second power amplifier, third power amplifier, the second radio frequency chip and third radio frequency core
Piece；
Wherein, the first transmitting combining filter is identical as the first reception filtering wave band of branching filter；
The third antenna receives the 4th radiofrequency signal, extremely by the 6th switching gate by the 4th radiofrequency signal
Described first receives branching filter, and the 4th radiofrequency signal is multi-band signal；
The 4th radiofrequency signal branch is the first branch radiofrequency signal and second by the first reception branching filter
Branch radiofrequency signal is simultaneously filtered respectively, and filtered first branch radiofrequency signal and the second branch radiofrequency signal are passed respectively
The main receiving channel circuit for transporting to second radio frequency chip neutralizes the first main receiving channel circuit of the third radio frequency chip
In；
The transmission channel circuit of second radio frequency chip by the 5th radio signal transmission to second power amplifier,
Second power amplifier amplifies the 5th radiofrequency signal, by amplified 5th radio signal transmission to described the
One transmitting combining filter；First transmission channel circuit of the third radio frequency chip is by the 6th radio signal transmission to described
Three power amplifiers, the third power amplifier amplify the 6th radiofrequency signal, and amplified 6th radio frequency is believed
Number it is transmitted to the first transmitting combining filter；The first transmitting combining filter believes amplified 5th radio frequency
Number and the 6th radiofrequency signal be filtered combining processing respectively, and will filtering combining treated the 5th radiofrequency signal and the
Six radiofrequency signals are transmitted to the third antenna by the 6th switch.
Wherein, the two-way radiofrequency signal that the first transmitting combining filter is used to receive is closed again after being filtered
Then road is transmitted；After the progress branch of radiofrequency signal all the way that the first reception branching filter is used to receive again
It filters, is then transmitted respectively；First transmitting combining filter and first receives processing of the branching filter to radiofrequency signal
Process inverse process each other；
The bandpass filtering for being internally integrated two frequency ranges of first transmitting combining filter and the first reception branching filter
Device has the characteristics that duplexer, there is good isolation (25dB or more) between two frequency range ports.
The radio frequency path provided by the invention is due to realizing band using transmitting combining filter and reception branching filter
Between carrier wave polymerize radio-frequency front-end access, so, reduce Insertion Loss, terminal transmission power consumption and the terminal cost of radio-frequency receiving-transmitting access,
Receiving sensitivity is improved, and reduces device and occupies PCB surface product.
Specifically, it is described first transmitting combining filter be transmitting alliteration surface wave filter (Dual-SAW filter) or
Emit dual band pass integrated filter；The reception branching filter is to receive alliteration surface wave filter (Dual-SAW filter)
Or receive dual band pass integrated filter.
Wherein, bandpass filter+Diplexer of the reception of Dual-SAW filter with interior Insertion Loss lower than existing scheme
Insertion Loss；Dual-SAW filter occupies occupancy PCB surface product of the PCB surface product less than two bandpass filter+Diplexer；Dual-
Total price of the SAW filter price less than two bandpass filter+Diplexer.
Further, as shown in Fig. 2, the radio frequency path further includes that the first emission bandpass filter and first receive band logical
Filter；
Wherein, the first emission bandpass filter is identical as the filtering wave band of the first reception bandpass filter, and with institute
The filtering wave band for stating the first transmitting combining filter and the first reception branching filter is different；
The third antenna receives the 7th radiofrequency signal, extremely by the 6th switching gate by the 7th radiofrequency signal
First reception bandpass filter, first reception bandpass filter are filtered the 7th radiofrequency signal,
And it will be in the second main receiving channel circuit of the 7th radio signal transmission after filtering processing to the third radio frequency chip；
The second transmission channel circuit in the third radio frequency chip is by the 8th radio signal transmission to the third power
Amplifier, the third power amplifier amplifies the 8th radiofrequency signal, by amplified 8th radio signal transmission
To the first emission bandpass filter, the first emission bandpass filter is filtered place to the 8th radiofrequency signal
Reason, and the 8th radiofrequency signal after filtering processing is transmitted to the third antenna by the 6th switch.
In order to have higher integrated level, the 6th switch and the first transmitting combining filter and/or the first reception point
Path filter and/or the first emission bandpass filter and/or the first reception bandpass filter are wholely set.
In order to guarantee the communication quality under 4G Web vector graphic scene, as shown in Fig. 2, the radio frequency path further include: the
Four antennas receive branching filter for switching the 7th switch and second of selection the 4th antenna communication channel；
4th antenna receives the 9th radiofrequency signal, extremely by the 7th switching gate by the 9th radiofrequency signal
Described second receives branching filter, and the 9th radiofrequency signal is multi-band signal；
The 9th radiofrequency signal branch is third branch radiofrequency signal and the 4th by the second reception branching filter
Branch radiofrequency signal is simultaneously filtered respectively, and filtered third branch radiofrequency signal and the 4th branch radiofrequency signal are passed respectively
The diversity reception channel circuit for transporting to second radio frequency chip neutralizes the first diversity reception channel of the third radio frequency chip
In circuit.
Further, as shown in Fig. 2, the radio frequency path further includes the second reception bandpass filter；
Wherein, second reception bandpass filter is different from the second reception filtering wave band of branching filter；
4th antenna receives the tenth radiofrequency signal, extremely by the 7th switching gate by the tenth radiofrequency signal
Second reception bandpass filter, second reception bandpass filter are filtered the tenth radiofrequency signal,
And by the second diversity reception channel circuit of the tenth radio signal transmission after filtering processing to the third radio frequency chip
In.
In order to have higher integrated level, the 7th switch receives branching filter and/or the second reception band with second
Bandpass filter is wholely set.
Specifically, the 7th switch is single-pole double-throw switch (SPDT)；6th switch is single pole multiple throw.
Wherein, the filtering wave band of above-mentioned transmitting branching filter and emission bandpass filter is inconsistent, receives branch filtering
Device and the filtering wave band that reception bandpass filter is handled are also inconsistent, and filtering wave band is chosen as wave band 39, wave band 40 or wave band 41
Deng, to transmitting branching filter and emission bandpass filter be exemplified below:
The filtering wave band for emitting branching filter can be wave band 39 and wave band 40, wave band 40 and wave band 41 or wave band 39 and wave
Section 41, the corresponding filtering wave band of emission bandpass filter is wave band 41, wave band 39 or wave band 40.
It should be noted that above-mentioned radiofrequency signal is delivered in when reaching switch (the 6th switch, the 7th switch), need to believe
It number is transmitted to corresponding contact in switch, then switch just can be carried out corresponding information and transmit；When above-mentioned radiofrequency signal is by switching
When (the 6th switch, the 7th switch) is transferred to antenna (third antenna, the 4th antenna), antenna emits the radiofrequency signal；
When above-mentioned radiofrequency signal is transferred to radio frequency chip (the second radio frequency chip, third radio frequency chip), radio frequency chip (the second radio frequency core
Piece, third radio frequency chip) radiofrequency signal is modulated, it is modulated to analog baseband signal, and carry out relevant information transmitting.
The third scheme: for interior discontinuous carrier aggregation scene
The present invention provides a kind of radio frequency paths, as shown in Figures 3 to 5, comprising:
5th antenna, for switching the 8th switch for selecting the 5th antenna communication channel, the 6th antenna, for switching
It selects the 9th switch of the 6th antenna communication channel, the 7th antenna, be used to switch selection the 7th antenna communication channel
The tenth switch, amplification combining filter circuit, multiple third reception bandpass filters, multiple 4th reception bandpass filters, the
Four radio frequency chips and the 5th radio frequency chip；
5th antenna receives the 11st radiofrequency signal, and the 11st radiofrequency signal is selected by the 8th switch
The third reception bandpass filter is passed to, the third reception bandpass filter is filtered the 11st radiofrequency signal
Processing, and by the main receiving channel circuit of the 11st radio signal transmission after filtering processing to the 4th radio frequency chip
In；
12nd radio signal transmission to the amplification is combined and filters by the transmission channel circuit of the 4th radio frequency chip
13rd radio signal transmission to the amplification is combined filtered electrical by the transmission channel circuit of circuit, the 5th radio frequency chip
Road, the amplification combining filter circuit amplify at combining filtering the 12nd radiofrequency signal and the 13rd radiofrequency signal
Reason, and amplification is combined the 12nd radiofrequency signal after filtering processing and the 13rd radiofrequency signal and passes through the 9th switch
It is transmitted to the 6th antenna；
7th antenna receives the 14th radiofrequency signal, and the 14th radiofrequency signal is selected by the tenth switch
The 4th reception bandpass filter is passed to, the 4th reception bandpass filter is filtered the 14th radiofrequency signal
Processing, and by the main receiving channel circuit of the 14th radio signal transmission after filtering processing to the 5th radio frequency chip
In.
The radio frequency path provided by the invention is by using amplification combining filter circuit the radio-frequency front-end of transmitting path
Two synthesize an access with frequency access or alien frequencies access to realize and polymerize with interior discontinuous carrier wave, reduce radio-frequency front-end device
Part cost and terminal Overall Power Consumption, and reduce device and occupy the area of PCB and the space of antenna occupancy complete machine.
For the actual use situation of amplification combining filter circuit, the present invention provides two schemes:
The first scheme, as shown in figure 3, amplification combining filter circuit includes: multiple first combiners, the 4th power
Amplifier and multiple second emission bandpass filters；
Wherein, the 12nd radiofrequency signal and the 13rd radiofrequency signal are combined by first combiner, and will
The 12nd radiofrequency signal and the 13rd radio signal transmission after combining are to the 4th power amplifier；
4th power amplifier amplifies the 12nd radiofrequency signal and the 13rd radiofrequency signal after the combining, will put
The 12nd radiofrequency signal after the combining and the 13rd radio signal transmission after big are to the second emission bandpass filter；
The second emission bandpass filter to the 12nd radiofrequency signal and the 13rd radiofrequency signal received into
Row filtering processing, and by after filtering processing the 12nd radiofrequency signal and the 13rd radiofrequency signal by it is described 9th switch
It is transmitted to the 6th antenna；
Wherein, the 12nd radiofrequency signal and the 13rd radiofrequency signal are same frequency band signals.
Amplification combining filter circuit in this kind of scheme placed combiner in radio frequency chip output port, defeated with frequency two
Radio frequency path merges into one and goes the same way out, saves a power amplifier, an emission bandpass filter, reduces a duplexer end
Mouthful, save an antenna body.
In order to have a higher integrated level, in the present invention, the 9th switch and at least two second emission bandpass
Filter is wholely set；First combiner is wholely set with the second emission bandpass filter.Preferably, one first combining
Device is wholely set with a second emission bandpass filter, in this application, without limitation about the concrete condition being wholely set,
It can be any combination.Wherein, the wave band for the two-way radiofrequency signal that the first combiner merges is identical, can be wave band 39, wave band 40
Or wave band 41 etc., the filtering wave band of the second emission bandpass filter are corresponding for wave band 39, wave band 40 or wave band 41 etc..
Second scheme, as shown in figure 4, amplification combining filter circuit includes: the 5th power amplifier, the 6th power
Amplifier, multiple second combiners and multiple third emission bandpass filters；
Wherein, the 5th power amplifier amplifies the 12nd radiofrequency signal, and by amplified 12nd radio frequency
Signal is transmitted to second combiner；6th power amplifier amplifies the 13rd radiofrequency signal, and will be after amplification
The 13rd radio signal transmission to second combiner；
Second combiner is combined amplified 12nd radiofrequency signal and the 13rd radiofrequency signal, and
By after combining amplified 12nd radiofrequency signal and the 13rd radio signal transmission to the third transmitting band
Bandpass filter；
The third emission bandpass filter to the 12nd radiofrequency signal and the 13rd radiofrequency signal received into
Row filtering processing, and by after filtering processing the 12nd radiofrequency signal and the 13rd radiofrequency signal by it is described 9th switch
It is transmitted to the 6th antenna；
Wherein, the 12nd radiofrequency signal and the 13rd radiofrequency signal are same frequency band signals.
Amplification combining filter circuit in this kind of scheme placed combiner with frequency power amplifier output port at two, same two
Frequency output radio-frequency front-end access merges into an access, saves an emission bandpass filter, reduces a duplexer
Port saves an antenna body.
In order to have a higher integrated level, in the present invention, the 9th switch and at least two third emission bandpass
Filter is wholely set；Second combiner is wholely set with third emission bandpass filter.Preferably, one second combining
Device is wholely set with a third emission bandpass filter, as shown in figure 5, in this application, about the specific feelings being wholely set
Condition can be any combination, scheme shown in fig. 5 is only illustration without limitation.
Wherein, the wave band for the two-way radiofrequency signal that the second combiner merges is identical, can be wave band 39, wave band 40 or wave band 41
It is corresponding for wave band 39, wave band 40 or wave band 41 etc. Deng, the filtering wave band of third emission bandpass filter.
In order to guarantee the communication quality under 4G Web vector graphic scene, as shown in Figures 3 to 5, the radio frequency path is also wrapped
Include: the 8th antenna, the 11st switch and the multiple 5th for switching selection the 8th antenna communication channel receive band logical filter
Wave device；
8th antenna receives the 15th radiofrequency signal, and the 15th radiofrequency signal is passed through the 11st switch
For gating to the 5th reception bandpass filter, the 5th reception bandpass filter filters the 15th radiofrequency signal
Wave processing, and by the 15th radio signal transmission after filtering processing to the diversity reception channel of the 4th radio frequency chip
In circuit.
Wherein, the 8th switch, the 9th switch, the tenth switch and the 11st switch are single-pole three-throw switch.
Further, as shown in Figures 3 to 5, the radio frequency path further include: ninth antenna is used to switch described in selection
12nd switch of ninth antenna communication channel and multiple 6th reception bandpass filters；
The ninth antenna receives the 16th radiofrequency signal, and the 16th radiofrequency signal is passed through the 12nd switch
For gating to the 6th reception bandpass filter, the 6th reception bandpass filter filters the 16th radiofrequency signal
Wave processing, and by the 16th radio signal transmission after filtering processing to the diversity reception channel of the 5th radio frequency chip
In circuit.
Wherein, the 12nd switch is single-pole three-throw switch.
Above-mentioned radiofrequency signal, which is delivered in, reaches switch (the 8th switch, the 9th switch, the tenth switch, the 11st switch, the tenth
Two switches) when, need to pass the signal along to corresponding contact in switch, then switch just can be carried out corresponding information transmitting；When
Above-mentioned radiofrequency signal is transferred to day by switching (the 8th switch, the 9th switch, the tenth switch, the 11st switch, the 12nd switch)
When line (the 5th antenna, the 6th antenna, the 7th antenna, the 8th antenna, ninth antenna), antenna emits the radiofrequency signal；
When above-mentioned radiofrequency signal is transferred to radio frequency chip (the 4th radio frequency chip, the 5th radio frequency chip), radio frequency chip (the 4th radio frequency core
Piece, the 5th radio frequency chip) radiofrequency signal is modulated, it is modulated to analog baseband signal, and carry out relevant information transmitting.
For the particular condition in use of above-mentioned filtering and amplifying circuit, combiner (the first combiner, the second combining can also be used
Device) it is next real with the mode of emission bandpass filter (the second emission bandpass filter, third emission bandpass filter) any combination
The purpose of existing information transmission, is not limited thereto, the two schemes provided in the application are only illustration.
In this application, in addition to the radiofrequency signal for being limited to multi-band signal, other radiofrequency signals are single-frequency segment signal；
TD-LTE/FDD-LTE/TD-SCDMA/WCDMA/GSM multi-mode radio frequency transceiving chip in attached drawing refers to can be applied to a variety of
The multi-mode radio frequency transceiving chip of the 4G network of standard, 3G network and 2G network, wherein TD-LTE/FDD-LTE refers to the two of 4G
Kind standard, WCDMA/TD-SCDMA refer to two kinds of standards of 3G, and Wideband Code Division Multiple Access, TD SDMA connect
Enter, GSM refers to global cellular mobile communication system, that is, the 2G being commonly called as；The multi-mode radio frequency transmitting-receiving core provided in the application
The network formats that piece can be applied are merely illustrative, and are not construed as limiting；TD-LTE Tx refers to TD-LTE transmitting path, TD-
LTE PRx refers to the main receiving path of TD-LTE, and TD-LTE DRx refers to that TD-LTE diversity receives access, and PA refers to that power is put
Big device.
In summary, the scheme that the application is provided for different state of carrier aggregation solves respectively: frequency range intercarrier is poly-
The each indicator deviation of the transmitting of conjunction scheme and there are problems that mutual interference with 2.4GHz WiFi；Carrier aggregation scheme between frequency range
Radio circuit front end needs additional the problem of increasing device and radio-frequency receiving-transmitting indicator deviation；Carrier aggregation scheme penetrates between frequency range
Frequency circuit front-end devices increased costs, device occupy the problem that PCB surface product is bigger than normal and antenna occupancy complete machine space is bigger than normal.
In order to solve the above-mentioned technical problem, the present invention also provides a kind of terminals, comprising: above-mentioned radio frequency path.
It should be noted that the realization embodiment of above-mentioned radio frequency path is suitable for the embodiment of the terminal,
Identical technical effect can be reached.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, under the premise of not departing from principle of the present invention, can also make several improvements and retouch, these improvements and modifications should also regard
For protection scope of the present invention.
Claims (9)
1. a kind of radio frequency path characterized by comprising
First antenna, for switch the first switch for selecting the first antenna communication channel, first transmitting filter circuit, first
Power amplifier, the first radio frequency chip and the first wave reception filtering circuit；
Wherein, the first transmitting filter circuit includes: multiple transmitting full range bandpass filters, multiple transmitting narrow-band pass filters
With for switching the multiple second switches for gating the transmitting full range bandpass filter and emitting narrow-band pass filter, each is sent out
The corresponding filtering wave band of full range bandpass filter is penetrated, each corresponding filtering wave band of transmitting narrow-band pass filter, and with
The filtering wave band phase of the connected transmitting full range bandpass filter of the same second switch and transmitting narrow-band pass filter
Together；
First wave reception filtering circuit includes: multiple first receptions full range bandpass filters, multiple first reception narrow bandpass filters
Wave device and multiple thirds that full range bandpass filter and the first reception narrow-band pass filter are received for switching gating described first
Switch, each first corresponding filtering wave band of reception full range bandpass filter, each first reception narrow-band pass filter
A corresponding filtering wave band, and described first to be connected with the same third switch receives full range bandpass filter and first
The filtering wave band for receiving narrow-band pass filter is identical；
Transmission channel circuit in first radio frequency chip is by the first radio signal transmission to first power amplifier, institute
It states the first power amplifier and amplifies first radiofrequency signal, and by amplified first radio signal transmission to described the
Two switches, the second switch gates the transmitting full range bandpass filter or transmitting narrow-band pass filter, complete by the transmitting
Band-pass filter or transmitting narrow-band pass filter are filtered first radiofrequency signal, and will be after filtering processing
First radiofrequency signal is transmitted to the first antenna by the first switch；
The first antenna receives the second radiofrequency signal, and second radiofrequency signal is gated by the first switch to described
First receives full range bandpass filter or first receives narrow-band pass filter, receives full range bandpass filter or the by described first
One reception narrow-band pass filter is filtered second radiofrequency signal, and by second radio frequency after filtering processing
Signal is transmitted in the main receiving channel circuit of first radio frequency chip by third switch；
When terminal is intralband carrier aggregation state, the second switch gates the transmitting narrow-band pass filter, the third
Narrow-band pass filter is received described in switching gate.
2. radio frequency path as described in claim 1, which is characterized in that the radio frequency path further include: the second antenna, for cutting
Change the 4th switch and the second wave reception filtering circuit of selection the second antenna communication channel；
Wherein, second wave reception filtering circuit includes: multiple second receptions full range bandpass filters, multiple second receptions narrowband
Bandpass filter and for switch gating it is described second receive full range bandpass filter and second receive narrow-band pass filter it is multiple
5th switch, each receives the corresponding filtering wave band of full range bandpass filter, and it is corresponding that each receives narrow-band pass filter
One filtering wave band, and described second to be connected with same 5th switch receives full range bandpass filter and second and receives
The filtering wave band of narrow-band pass filter is identical；
The first antenna receives third radiofrequency signal, by the third radiofrequency signal by the 4th switching gate to described
Second receives full range bandpass filter or second receives narrow-band pass filter, receives full range bandpass filter or the by described second
Two reception narrow-band pass filters are filtered the third radiofrequency signal, and by the third radio frequency after filtering processing
Signal is transmitted in the diversity reception channel circuit of first radio frequency chip by the 5th switch.
3. radio frequency path as described in claim 1, which is characterized in that when terminal is non-carrier polymerization state, described second
Emit full range bandpass filter described in switching gate, reception full range bandpass filter described in the third switching gate.
4. radio frequency path as claimed in claim 2, which is characterized in that when terminal is non-carrier polymerization state, the described 5th
Full range bandpass filter is received described in switching gate；When terminal is intralband carrier aggregation state, the 5th switching gate institute
State reception narrow-band pass filter.
5. radio frequency path as described in claim 1, which is characterized in that the first switch with first transmitting filter circuit and/
Or first wave reception filtering circuit be wholely set.
6. radio frequency path as claimed in claim 2, which is characterized in that the 4th switch and the second wave reception filtering circuit one
Setting.
7. radio frequency path as claimed in claim 2, which is characterized in that the first switch and it is described 4th switch be hilted broadsword
Multithrow switch.
8. radio frequency path as claimed in claim 2, which is characterized in that the second switch, third switch and the 5th switch
It is single-pole double-throw switch (SPDT).
9. a kind of terminal characterized by comprising radio frequency path as claimed in any one of claims 1 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173777.2A CN106160775B (en) | 2015-04-13 | 2015-04-13 | A kind of radio frequency path and terminal |
| CN201910266234.3A CN109905132B (en) | 2015-04-13 | 2015-04-13 | Radio frequency access and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173777.2A CN106160775B (en) | 2015-04-13 | 2015-04-13 | A kind of radio frequency path and terminal |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910266234.3A Division CN109905132B (en) | 2015-04-13 | 2015-04-13 | Radio frequency access and terminal |
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| Publication Number | Publication Date |
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| CN106160775A CN106160775A (en) | 2016-11-23 |
| CN106160775B true CN106160775B (en) | 2019-05-14 |
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| CN201910266234.3A Active CN109905132B (en) | 2015-04-13 | 2015-04-13 | Radio frequency access and terminal |
| CN201510173777.2A Active CN106160775B (en) | 2015-04-13 | 2015-04-13 | A kind of radio frequency path and terminal |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910266234.3A Active CN109905132B (en) | 2015-04-13 | 2015-04-13 | Radio frequency access and terminal |
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| CN106788472B (en) * | 2016-12-06 | 2019-08-16 | Oppo广东移动通信有限公司 | The radio frequency front-end device and mobile terminal of carrier wave polymerization |
| CN106921405A (en) * | 2017-02-28 | 2017-07-04 | 维沃移动通信有限公司 | A kind of radio frequency front-end device |
| CN107124190B (en) * | 2017-05-10 | 2021-05-25 | Oppo广东移动通信有限公司 | Radio frequency circuit switch chip, radio frequency circuit, antenna device and electronic equipment |
| CN107196668B (en) * | 2017-06-19 | 2020-11-13 | Oppo广东移动通信有限公司 | Radio frequency circuit switch chip, radio frequency circuit, antenna device and electronic equipment |
| CN108365860B (en) * | 2018-01-10 | 2020-05-12 | 西安易朴通讯技术有限公司 | Terminal equipment |
| CN109873664B (en) | 2019-03-22 | 2021-01-08 | 维沃移动通信有限公司 | Radio frequency front-end circuit and mobile terminal |
| CN110708081B (en) * | 2019-04-26 | 2024-03-19 | 中富通集团股份有限公司 | Large-bandwidth wireless communication equipment for aggregating dual carriers |
| US10601451B1 (en) * | 2019-07-02 | 2020-03-24 | Motorola Mobility Llc | Low-cost method for selectively reducing switch loss |
| CN110601732B (en) * | 2019-09-20 | 2021-07-30 | 国脉科技股份有限公司 | Optical fiber distribution high-frequency intelligent double-output system |
| CN110971262B (en) * | 2019-11-29 | 2021-09-28 | 惠州Tcl移动通信有限公司 | Radio frequency circuit, antenna device and mobile terminal |
| CN111478709B (en) * | 2020-04-03 | 2021-11-16 | 惠州Tcl移动通信有限公司 | Carrier aggregation circuit and mobile terminal |
| CN114124112B (en) * | 2020-08-27 | 2023-03-28 | 华为技术有限公司 | Radio frequency circuit for transmitting multi-frequency-band signals |
| CN114650066B (en) * | 2020-12-21 | 2023-05-05 | 荣耀终端有限公司 | Wireless communication system, method, device and chip |
| CN112751584B (en) * | 2020-12-29 | 2023-07-25 | 深圳市锐尔觅移动通信有限公司 | Switch, radio frequency circuit and terminal equipment |
| CN116097571A (en) * | 2021-01-30 | 2023-05-09 | 华为技术有限公司 | Communication device |
| CN113055145A (en) * | 2021-03-08 | 2021-06-29 | 西安兆格电子信息技术有限公司 | Design method for realizing multi-carrier aggregation |
| CN113965239B (en) * | 2021-12-06 | 2024-04-26 | 青岛歌尔智能传感器有限公司 | Radio frequency signal transmission control method and device and radio frequency system |
| CN114039615B (en) * | 2021-12-17 | 2023-05-05 | 成都金诺信高科技有限公司 | Antenna receiving and transmitting circuit |
| CN115149975B (en) * | 2022-06-27 | 2023-12-26 | Oppo广东移动通信有限公司 | Radio frequency front-end module, radio frequency system and communication equipment |
| CN115208430B (en) * | 2022-08-24 | 2023-01-24 | 荣耀终端有限公司 | Radio frequency circuit, transceiving module, receiving module and related device |
| CN117674883A (en) * | 2022-09-01 | 2024-03-08 | 华为技术有限公司 | Electronic equipment, antenna system thereof and radio frequency front end module |
| CN116388795B (en) * | 2023-06-07 | 2023-09-05 | 石家庄银河微波技术股份有限公司 | Filter switch controller, radio frequency antenna and radio frequency antenna system |
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Also Published As
| Publication number | Publication date |
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| CN109905132B (en) | 2021-01-26 |
| CN106160775A (en) | 2016-11-23 |
| CN109905132A (en) | 2019-06-18 |
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