CN107070483B - Radio circuit and terminal - Google Patents
Radio circuit and terminal Download PDFInfo
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- CN107070483B CN107070483B CN201710165235.XA CN201710165235A CN107070483B CN 107070483 B CN107070483 B CN 107070483B CN 201710165235 A CN201710165235 A CN 201710165235A CN 107070483 B CN107070483 B CN 107070483B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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Abstract
It includes RF transceiver, four work devices, combiner, first switch and first antenna that the embodiment of the present invention, which provides a kind of radio circuit and terminal, the radio circuit,；RF transceiver is connect with four work devices, combiner respectively, and first switch is connect with four work devices, combiner and first antenna respectively；When first switch and four work devices are connected, the first signal that RF transceiver generates, second signal are sent to first antenna via four work devices；When first switch and combiner are connected, the third signal of the second signal and RF transceiver generation is sent to first antenna via combiner.In the program, the radiofrequency signal that RF transceiver is sent is sent to antenna via four work devices or dual-frequency channel merger, the Insertion Loss of four work devices and dual-frequency channel merger is both less than the Insertion Loss of tri-frequency combiner, therefore it can reduce the Insertion Loss of radio circuit, the stability for improving radiofrequency signal, to improve the stability of terminal.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of radio circuit and terminal.
Background technique
With the development of communication technology, the communications band that mobile terminal can be supported is more and more.For example, LTE (Long
Term Evolution, long term evolution) network signal may include frequency in 700MHz to the signal between 2700MHz.
The radiofrequency signal that mobile terminal can be supported can be divided into low frequency signal, intermediate-freuqncy signal and high-frequency signal.Wherein, low
Frequency signal, intermediate-freuqncy signal and high-frequency signal respectively include multiple sub-band signals again.Each sub-band signals require to pass through
Antenna is emitted to the external world.
Currently, the low frequency in mobile terminal, intermediate frequency, high-frequency signal are transported to antenna after tri-frequency combiner polymerize, then
The external world is sent to by antenna.However the Insertion Loss of tri-frequency combiner is very big, causes significantly to decay to signal, so as to cause penetrating
The stability of frequency signal is low.
Summary of the invention
The embodiment of the present invention provides a kind of radio circuit and terminal, and the stability of terminal can be improved.
The embodiment of the present invention provide a kind of radio circuit, including RF transceiver, four work devices, combiner, first switch with
And first antenna；RF transceiver is connect with four work devices, combiner respectively, first switch respectively with four work devices, combiner and
First antenna connection；When first switch and four work devices are connected, the first signal that RF transceiver generates, second signal are via four works
Device is sent to first antenna；When first switch and combiner are connected, the third letter of the second signal and RF transceiver generation
Number first antenna is sent to via combiner.
Correspondingly, the embodiment of the present invention also provides a kind of terminal, including processor and radio circuit, the processor with should
Radio circuit connection, for the processor for handling the data in the terminal, which is above-mentioned radio circuit.
Radio circuit provided in an embodiment of the present invention, the radiofrequency signal that RF transceiver is sent is via four work devices or double frequency
Combiner is sent to antenna, and the Insertion Loss of four work devices and dual-frequency channel merger is both less than the Insertion Loss of tri-frequency combiner, therefore can reduce
The Insertion Loss of radio circuit, improves the stability of radiofrequency signal, to improve the stability of terminal.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of terminal provided in an embodiment of the present invention.
Fig. 2 is the first structural schematic diagram of radio circuit provided in an embodiment of the present invention.
Fig. 3 is second of structural schematic diagram of radio circuit provided in an embodiment of the present invention.
Fig. 4 is the third structural schematic diagram of radio circuit provided in an embodiment of the present invention.
Fig. 5 is the 4th kind of structural schematic diagram of radio circuit provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.In
In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements or the interaction relationship of two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
With reference to Fig. 1, terminal 10 includes processor 100 and radio circuit 200.Processor 100 is electrically connected with radio circuit 200
It connects.
Processor 100 is the control centre of terminal 10.Processor 100 can pass through various interfaces and connection terminal 10
Various pieces.By running or execute the application program being stored in the memory of terminal 10, and calls and be stored in terminal
Data in 10 memory carry out data processing to execute the various functions of terminal 10.
In some embodiments, processor 100 may include one or more processing cores.Wherein, processor 100 can be with
Integrated application processor and modem processor.Wherein, the main processing operation system of application processor, user interface and application
Program etc., modem processor mainly handle wireless communication.It is understood that above-mentioned modem processor can not also
It is integrated into processor 100.
Radio circuit 200 receives radiofrequency signal for outwardly emitting radiofrequency signal, or from the external world, and penetrates received
Frequency signal is sent to processor 100 and is handled, thus completion and the information transmit-receive between the network equipment or other electronic equipments.
With reference to Fig. 2, Fig. 2 is the first structural schematic diagram of radio circuit 200 provided in an embodiment of the present invention.Radio circuit
200 include RF transceiver 210, four work devices 231, duplexer 232, duplexer 233, combiner 234, switch 241, antenna 251,
And frequency divider 235, antenna 252.In addition, radio circuit 200 further includes multiple power amplifiers 221,222,223 and multiple
Filter 261,262,263.
Wherein, RF transceiver 210 can be electrically connected with the processor 100 in terminal 10.RF transceiver 210 is used for will
The radiofrequency signal that processor 100 generates is sent to the external world by antenna, or the radio signal transmission that antenna is received is everywhere
Reason device 100 is handled.
RF transceiver 210 include multiple radio-frequency transmissions ports 201,202,203 and multiple radio frequency reception ports 204,
205、206、207、208、209、211。
Wherein, radio-frequency transmissions port 201 is connect with power amplifier 221.Radio-frequency transmissions port 202 and power amplifier
222 connections.Radio-frequency transmissions port 203 is connect with power amplifier 233.Radio-frequency transmissions port 201,202,203 is respectively used to send out
Send the radiofrequency signal of different frequency range.For example, radio-frequency transmissions port 201 is used to emit the radiofrequency signal of Band1 frequency range, radio-frequency transmissions
Port 202 is used to emit the radiofrequency signal of Band3 frequency range, and radio-frequency transmissions port 203 is used to emit the radio frequency letter of Band7 frequency range
Number.
Radio frequency reception port 204,205 is connect with four work devices 231.Radio frequency reception port 206 is connect with duplexer 232.
Radio frequency reception port 207 is connect with duplexer 233.Radio frequency reception port 204,205,207 is respectively used to receive different frequency range
Radiofrequency signal, radio frequency reception port 206 is for receiving and the radiofrequency signal of 205 similar frequency bands of port.For example, being sent out with multiple radio frequencies
Penetrate that port is corresponding, radio frequency reception port 204 is used to receive the radiofrequency signal of Band1 frequency range, radio frequency reception port 205,206
For receiving the radiofrequency signal of Band3 frequency range, radio frequency reception port 207 is used to receive the radiofrequency signal of Band7 frequency range.
Radio frequency reception port 208 is connect with filter 261.Radio frequency reception port 209 is connect with filter 262.Radio frequency connects
Receiving end mouth 211 is connect with filter 263.Radio frequency reception port 208,209,211 is respectively used to receive the radio frequency letter of different frequency range
Number.For example, corresponding with multiple radio-frequency transmissions ports, radio frequency reception port 208 is also used for receiving the radio frequency letter of Band1 frequency range
Number, radio frequency reception port 209 is also used for receiving the radiofrequency signal of Band3 frequency range, and radio frequency reception port 211 is also used for receiving
The radiofrequency signal of Band7 frequency range.
Power amplifier 221 is connect with four work devices 231.The radio frequency that power amplifier 221 emits radio-frequency transmissions port 201
After signal amplifies, it is sent to four work devices 231.Power amplifier 222 is connect with four work devices 231 and duplexer 232 respectively.Function
After rate amplifier 222 amplifies the radiofrequency signal that radio-frequency transmissions port 202 emits, it is sent to four work devices 231 or duplex
Device 232.Power amplifier 223 is connect with duplexer 233.The radio frequency that power amplifier 223 emits radio-frequency transmissions port 203 is believed
Number amplification after, be sent to duplexer 233.
Four work devices 231 are for being sent to antenna after being polymerize power amplifier 221,222 amplified radiofrequency signals
251, or radio frequency reception port 204,205 is sent to after being divided from the radiofrequency signal that antenna 251 receives.
Duplexer 232 is connected to combiner 234.Duplexer 232 is used for the amplified radiofrequency signal of power amplifier 222
It is sent to combiner 234, or is sent to radio frequency reception port after being filtered from the radiofrequency signal that combiner 234 receives
206。
Duplexer 233 is connected to combiner 234.Duplexer 233 is used for the amplified radiofrequency signal of power amplifier 223
It is sent to combiner 234, or is sent to radio frequency reception port after being filtered from the radiofrequency signal that combiner 234 receives
207。
Combiner 234 is dual-frequency channel merger.The radiofrequency signal that combiner 234 is used to send duplexer 232,233 carries out
After combining, it is sent to antenna 251, or be sent to duplexer after being divided from the radiofrequency signal that antenna 251 receives
232、233。
It should be noted that combiner when dividing to radiofrequency signal, is referred to as frequency divider.
Switch 241 can be single-pole double-throw switch (SPDT).Switch 241 includes multiple port K1, K2, K3.Wherein, port K1 and four
Work device 231 connects, and port K2 is connect with combiner 234, and port K3 is connect with antenna 251.The connection of the port K3 property of can choose
Port K1 or port K2.
When port K3 connects port K1, the radiofrequency signal that radio-frequency transmissions port 201,202 emits is sent out via four work devices 231
It is mapped to antenna 251, and is emitted to the external world via antenna 251.When port K3 connects port K2, radio-frequency transmissions port 202,203
The radiofrequency signal of transmitting is emitted to antenna 251 via combiner 234, and is emitted to the external world via antenna 251.
Antenna 251 can collect antenna based on.Antenna 251 be used for the emission of radio frequency signals that sends RF transceiver 210 to
The external world, or after external world's reception radiofrequency signal, it is sent to RF transceiver 210.
When the port K3 of switch 241 connects port K1, antenna 251 connects four work devices 231.At this point, radio-frequency transmissions port
201, the radiofrequency signal of 202 transmittings is emitted to antenna 251 via four work devices 231.And the Insertion Loss of four work devices is less than tri-frequency combiner
Insertion Loss, therefore the Insertion Loss of radio circuit can be reduced, the stability of radiofrequency signal be improved, to improve the stability of terminal.
When the port K3 of switch 241 connects port K2, antenna 251 connects combiner 234.At this point, radio-frequency transmissions port
202, the radiofrequency signal of 203 transmittings is emitted to antenna 251 via combiner 234.And combiner 234 is dual-frequency channel merger, double frequency
The Insertion Loss of combiner is less than the Insertion Loss of tri-frequency combiner, therefore can also reduce the Insertion Loss of radio circuit, improves radiofrequency signal
Stability, to improve the stability of terminal.
On the other hand, filter 261,262,263 is connect with frequency divider 235.Filter 261 sends frequency divider 235
Radiofrequency signal be filtered after, be sent to radio frequency reception port 208.The radiofrequency signal that filter 262 sends frequency divider 235
After being filtered, it is sent to radio frequency reception port 209.The radiofrequency signal that frequency divider 235 is sent is filtered by filter 263
Afterwards, it is sent to radio frequency reception port 211.
Frequency divider 235 is connect with antenna 252.Frequency divider 235 can be three frequency dividers.Frequency divider 235 connects antenna 252
After the radiofrequency signal of receipts is divided, it is sent to filter 261,262,263.
Antenna 252 can be diversity antenna.Antenna 252 is used to receive radiofrequency signal, and the radio frequency that will be received from the external world
Signal is sent to frequency divider 235.
With reference to Fig. 3, Fig. 3 is second of structural schematic diagram of radio circuit 200 provided in an embodiment of the present invention.Radio circuit
200 include RF transceiver 210, four work devices 231, duplexer 232, duplexer 233, combiner 234, switch 241, antenna 251,
And frequency divider 235, antenna 252.In addition, radio circuit 200 further includes multiple power amplifiers 221,222,223 and two
Filter 261,262.
Wherein, RF transceiver 210 can be electrically connected with the processor 100 in terminal 10.RF transceiver 210 is used for will
The radiofrequency signal that processor 100 generates is sent to the external world by antenna, or the radio signal transmission that antenna is received is everywhere
Reason device 100 is handled.
RF transceiver 210 include multiple radio-frequency transmissions ports 201,202,203 and multiple radio frequency reception ports 204,
205、206、207、208、209、211。
Wherein, radio-frequency transmissions port 201 is connect with power amplifier 221.Radio-frequency transmissions port 202 and power amplifier
222 connections.Radio-frequency transmissions port 203 is connect with power amplifier 233.Radio-frequency transmissions port 201,202,203 is respectively used to send out
Send the radiofrequency signal of different frequency range.For example, radio-frequency transmissions port 201 is used to emit the radiofrequency signal of Band1 frequency range, radio-frequency transmissions
Port 202 is used to emit the radiofrequency signal of Band3 frequency range, and radio-frequency transmissions port 203 is used to emit the radio frequency letter of Band7 frequency range
Number.
Radio frequency reception port 204,205 is connect with four work devices 231.Radio frequency reception port 206 is connect with duplexer 232.
Radio frequency reception port 207 is connect with duplexer 233.Radio frequency reception port 204,205,207 is respectively used to receive different frequency range
Radiofrequency signal, radio frequency reception port 206 is for receiving and the radiofrequency signal of 205 similar frequency bands of port.For example, being sent out with multiple radio frequencies
Penetrate that port is corresponding, radio frequency reception port 204 is used to receive the radiofrequency signal of Band1 frequency range, radio frequency reception port 205,206
For receiving the radiofrequency signal of Band3 frequency range, radio frequency reception port 207 is used to receive the radiofrequency signal of Band7 frequency range.
Radio frequency reception port 208,209 is connect with filter 261.Radio frequency reception port 211 is connect with filter 262.It penetrates
Frequency receiving port 208,209,211 is respectively used to receive the radiofrequency signal of different frequency range.For example, with multiple radio-frequency transmissions ports phase
Corresponding, radio frequency reception port 208 is also used for receiving the radiofrequency signal of Band1 frequency range, and radio frequency reception port 209 is also used for receiving
The radiofrequency signal of Band3 frequency range, radio frequency reception port 211 are also used for receiving the radiofrequency signal of Band7 frequency range.
Power amplifier 221 is connect with four work devices 231.The radio frequency that power amplifier 221 emits radio-frequency transmissions port 201
After signal amplifies, it is sent to four work devices 231.Power amplifier 222 is connect with four work devices 231 and duplexer 232 respectively.Function
After rate amplifier 222 amplifies the radiofrequency signal that radio-frequency transmissions port 202 emits, it is sent to four work devices 231 or duplex
Device 232.Power amplifier 223 is connect with duplexer 233.The radio frequency that power amplifier 223 emits radio-frequency transmissions port 203 is believed
Number amplification after, be sent to duplexer 233.
Four work devices 231 are for being sent to antenna after being polymerize power amplifier 221,222 amplified radiofrequency signals
251, or radio frequency reception port 204,205 is sent to after being divided from the radiofrequency signal that antenna 251 receives.
Duplexer 232 is connected to combiner 234.Duplexer 232 is used for the amplified radiofrequency signal of power amplifier 222
It is sent to combiner 234, or is sent to radio frequency reception port after being filtered from the radiofrequency signal that combiner 234 receives
206。
Duplexer 233 is connected to combiner 234.Duplexer 233 is used for the amplified radiofrequency signal of power amplifier 223
It is sent to combiner 234, or is sent to radio frequency reception port after being filtered from the radiofrequency signal that combiner 234 receives
207。
Combiner 234 is dual-frequency channel merger.The radiofrequency signal that combiner 234 is used to send duplexer 232,233 carries out
After combining, it is sent to antenna 251, or be sent to duplexer after being divided from the radiofrequency signal that antenna 251 receives
232、233。
It should be noted that combiner when dividing to radiofrequency signal, is referred to as frequency divider.
Switch 241 can be single-pole double-throw switch (SPDT).Switch 241 includes multiple port K1, K2, K3.Wherein, port K1 and four
Work device 231 connects, and port K2 is connect with combiner 234, and port K3 is connect with antenna 251.The connection of the port K3 property of can choose
Port K1 or port K2.
When port K3 connects port K1, the radiofrequency signal that radio-frequency transmissions port 201,202 emits is sent out via four work devices 231
It is mapped to antenna 251, and is emitted to the external world via antenna 251.When port K3 connects port K2, radio-frequency transmissions port 202,203
The radiofrequency signal of transmitting is emitted to antenna 251 via combiner 234, and is emitted to the external world via antenna 251.
Antenna 251 can collect antenna based on.Antenna 251 be used for the emission of radio frequency signals that sends RF transceiver 210 to
The external world, or after external world's reception radiofrequency signal, it is sent to RF transceiver 210.
When the port K3 of switch 241 connects port K1, antenna 251 connects four work devices 231.At this point, radio-frequency transmissions port
201, the radiofrequency signal of 202 transmittings is emitted to antenna 251 via four work devices 231.And the Insertion Loss of four work devices is less than tri-frequency combiner
Insertion Loss, therefore the Insertion Loss of radio circuit can be reduced, the stability of radiofrequency signal be improved, to improve the stability of terminal.
When the port K3 of switch 241 connects port K2, antenna 251 connects combiner 234.At this point, radio-frequency transmissions port
202, the radiofrequency signal of 203 transmittings is emitted to antenna 251 via combiner 234.And combiner 234 is dual-frequency channel merger, double frequency
The Insertion Loss of combiner is less than the Insertion Loss of tri-frequency combiner, therefore can also reduce the Insertion Loss of radio circuit, improves radiofrequency signal
Stability, to improve the stability of terminal.
On the other hand, filter 261 is connect with frequency divider 235.Filter 261 can be double frequency filter.Filter 261
After the radiofrequency signal that frequency divider 235 is sent is filtered, it is sent to radio frequency reception port 208,209.
Filter 262 is also connect with frequency divider 235.The radiofrequency signal that frequency divider 235 is sent is filtered by filter 262
Afterwards, it is sent to radio frequency reception port 211.
Frequency divider 235 is connect with antenna 252.Frequency divider 235 can be double frequency frequency divider.Frequency divider 235 connects antenna 252
After the radiofrequency signal of receipts is divided, it is sent to filter 261,262.
Antenna 252 can be diversity antenna.Antenna 252 is used to receive radiofrequency signal, and the radio frequency that will be received from the external world
Signal is sent to frequency divider 235.
With reference to Fig. 4, Fig. 4 is the third structural schematic diagram of radio circuit 200 provided in an embodiment of the present invention.Radio circuit
200 include RF transceiver 210, four work devices 231, duplexer 232, duplexer 233, combiner 234, switch 241, antenna 251,
And frequency divider 235, switch 242, antenna 252.In addition, radio circuit 200 further includes multiple power amplifiers 221,222,223
And multiple filters 261,262,263.
Wherein, RF transceiver 210 can be electrically connected with the processor 100 in terminal 10.RF transceiver 210 is used for will
The radiofrequency signal that processor 100 generates is sent to the external world by antenna, or the radio signal transmission that antenna is received is everywhere
Reason device 100 is handled.
RF transceiver 210 include multiple radio-frequency transmissions ports 201,202,203 and multiple radio frequency reception ports 204,
205、206、207、208、209、211。
Wherein, radio-frequency transmissions port 201 is connect with power amplifier 221.Radio-frequency transmissions port 202 and power amplifier
222 connections.Radio-frequency transmissions port 203 is connect with power amplifier 233.Radio-frequency transmissions port 201,202,203 is respectively used to send out
Send the radiofrequency signal of different frequency range.For example, radio-frequency transmissions port 201 is used to emit the radiofrequency signal of Band1 frequency range, radio-frequency transmissions
Port 202 is used to emit the radiofrequency signal of Band3 frequency range, and radio-frequency transmissions port 203 is used to emit the radio frequency letter of Band7 frequency range
Number.
Radio frequency reception port 204,205 is connect with four work devices 231.Radio frequency reception port 206 is connect with duplexer 232.
Radio frequency reception port 207 is connect with duplexer 233.Radio frequency reception port 204,205,207 is respectively used to receive different frequency range
Radiofrequency signal, radio frequency reception port 206 is for receiving and the radiofrequency signal of 205 similar frequency bands of port.For example, being sent out with multiple radio frequencies
Penetrate that port is corresponding, radio frequency reception port 204 is used to receive the radiofrequency signal of Band1 frequency range, radio frequency reception port 205,206
For receiving the radiofrequency signal of Band3 frequency range, radio frequency reception port 207 is used to receive the radiofrequency signal of Band7 frequency range.
Radio frequency reception port 208 is connect with filter 263.Radio frequency reception port 209 is connect with filter 261.Radio frequency connects
Receiving end mouth 211 is connect with filter 262.Radio frequency reception port 208,209,211 is respectively used to receive the radio frequency letter of different frequency range
Number.For example, corresponding with multiple radio-frequency transmissions ports, radio frequency reception port 208 is also used for receiving the radio frequency letter of Band1 frequency range
Number, radio frequency reception port 209 is also used for receiving the radiofrequency signal of Band3 frequency range, and radio frequency reception port 211 is also used for receiving
The radiofrequency signal of Band7 frequency range.
Power amplifier 221 is connect with four work devices 231.The radio frequency that power amplifier 221 emits radio-frequency transmissions port 201
After signal amplifies, it is sent to four work devices 231.Power amplifier 222 is connect with four work devices 231 and duplexer 232 respectively.Function
After rate amplifier 222 amplifies the radiofrequency signal that radio-frequency transmissions port 202 emits, it is sent to four work devices 231 or duplex
Device 232.Power amplifier 223 is connect with duplexer 233.The radio frequency that power amplifier 223 emits radio-frequency transmissions port 203 is believed
Number amplification after, be sent to duplexer 233.
Four work devices 231 are for being sent to antenna after being polymerize power amplifier 221,222 amplified radiofrequency signals
251, or radio frequency reception port 204,205 is sent to after being divided from the radiofrequency signal that antenna 251 receives.
Duplexer 232 is connected to combiner 234.Duplexer 232 is used for the amplified radiofrequency signal of power amplifier 222
It is sent to combiner 234, or is sent to radio frequency reception port after being filtered from the radiofrequency signal that combiner 234 receives
206。
Duplexer 233 is connected to combiner 234.Duplexer 233 is used for the amplified radiofrequency signal of power amplifier 223
It is sent to combiner 234, or is sent to radio frequency reception port after being filtered from the radiofrequency signal that combiner 234 receives
207。
Combiner 234 is dual-frequency channel merger.The radiofrequency signal that combiner 234 is used to send duplexer 232,233 carries out
After combining, it is sent to antenna 251, or be sent to duplexer after being divided from the radiofrequency signal that antenna 251 receives
232、233。
It should be noted that combiner when dividing to radiofrequency signal, is referred to as frequency divider.
Switch 241 can be single-pole double-throw switch (SPDT).Switch 241 includes multiple port K1, K2, K3.Wherein, port K1 and four
Work device 231 connects, and port K2 is connect with combiner 234, and port K3 is connect with antenna 251.The connection of the port K3 property of can choose
Port K1 or port K2.
When port K3 connects port K1, the radiofrequency signal that radio-frequency transmissions port 201,202 emits is sent out via four work devices 231
It is mapped to antenna 251, and is emitted to the external world via antenna 251.When port K3 connects port K2, radio-frequency transmissions port 202,203
The radiofrequency signal of transmitting is emitted to antenna 251 via combiner 234, and is emitted to the external world via antenna 251.
Antenna 251 can collect antenna based on.Antenna 251 be used for the emission of radio frequency signals that sends RF transceiver 210 to
The external world, or after external world's reception radiofrequency signal, it is sent to RF transceiver 210.
When the port K3 of switch 241 connects port K1, antenna 251 connects four work devices 231.At this point, radio-frequency transmissions port
201, the radiofrequency signal of 202 transmittings is emitted to antenna 251 via four work devices 231.And the Insertion Loss of four work devices is less than tri-frequency combiner
Insertion Loss, therefore the Insertion Loss of radio circuit can be reduced, the stability of radiofrequency signal be improved, to improve the stability of terminal.
When the port K3 of switch 241 connects port K2, antenna 251 connects combiner 234.At this point, radio-frequency transmissions port
202, the radiofrequency signal of 203 transmittings is emitted to antenna 251 via combiner 234.And combiner 234 is dual-frequency channel merger, double frequency
The Insertion Loss of combiner is less than the Insertion Loss of tri-frequency combiner, therefore can also reduce the Insertion Loss of radio circuit, improves radiofrequency signal
Stability, to improve the stability of terminal.
On the other hand, filter 263 is connect with switch 242.The radiofrequency signal that filter 263 sends antenna 252 carries out
After filtering, it is sent to radio frequency reception port 208.
Filter 261,262 is connect with frequency divider 235.The radiofrequency signal that filter 261 sends frequency divider 235 carries out
After filtering, it is sent to radio frequency reception port 209.After the radiofrequency signal that frequency divider 235 is sent is filtered by filter 262, hair
It is sent to radio frequency reception port 211.
Frequency divider 235 is connect with switch 242.Frequency divider 235 can be double frequency frequency divider.Frequency divider 235 connects antenna 252
After the radiofrequency signal of receipts is divided, it is sent to filter 261,262.
Switch 242 can be single-pole double-throw switch (SPDT).Switch 242 includes multiple port K4, K5, K6.Wherein, port K4 and filter
Wave device 263 connects, and port K5 is connect with frequency divider 235, and port K6 is connect with antenna 252.The connection of the port K6 property of can choose
Port K4 or port K5.
When port K6 connects port K4, the radiofrequency signal that antenna 252 receives is sent to filter 263.As port K6
When connecting port K5, the radiofrequency signal that antenna 252 receives is sent to frequency divider 235.
Antenna 252 can be diversity antenna.Antenna 252 is used to receive radiofrequency signal, and the radio frequency that will be received from the external world
Signal is sent to filter 263 or frequency divider 235.
When port K6 connects port K4, the radiofrequency signal that antenna 252 receives is sent to radio frequency via filter 263 and receives
Device 210 is sent out, radiofrequency signal needs not move through frequency divider at this time, therefore can reduce the Insertion Loss of radio circuit, improves radiofrequency signal
Stability.When port K6 connects port K5, the radiofrequency signal that antenna 252 receives is sent to radio frequency via frequency divider 235 and receives
Device 210 is sent out, radiofrequency signal without being subjected to three bigger frequency dividers of Insertion Loss, therefore also can via double frequency frequency divider at this time
The Insertion Loss for reducing radio circuit, improves the stability of radiofrequency signal.
With reference to Fig. 5, Fig. 5 is the 4th kind of structural schematic diagram of radio circuit 200 provided in an embodiment of the present invention.Radio circuit
200 include RF transceiver 210, four work devices 231, duplexer 232, duplexer 233, combiner 234, switch 241, antenna 251,
And switch 242, antenna 252.In addition, radio circuit 200 further includes multiple power amplifiers 221,222,223 and filter
261、262。
Wherein, RF transceiver 210 can be electrically connected with the processor 100 in terminal 10.RF transceiver 210 is used for will
The radiofrequency signal that processor 100 generates is sent to the external world by antenna, or the radio signal transmission that antenna is received is everywhere
Reason device 100 is handled.
RF transceiver 210 include multiple radio-frequency transmissions ports 201,202,203 and multiple radio frequency reception ports 204,
205、206、207、208、209、211、212。
Wherein, radio-frequency transmissions port 201 is connect with power amplifier 221.Radio-frequency transmissions port 202 and power amplifier
222 connections.Radio-frequency transmissions port 203 is connect with power amplifier 233.Radio-frequency transmissions port 201,202,203 is respectively used to send out
Send the radiofrequency signal of different frequency range.For example, radio-frequency transmissions port 201 is used to emit the radiofrequency signal of Band1 frequency range, radio-frequency transmissions
Port 202 is used to emit the radiofrequency signal of Band3 frequency range, and radio-frequency transmissions port 203 is used to emit the radio frequency letter of Band7 frequency range
Number.
Radio frequency reception port 204,205 is connect with four work devices 231.Radio frequency reception port 206 is connect with duplexer 232.
Radio frequency reception port 207 is connect with duplexer 233.Radio frequency reception port 204,205,207 is respectively used to receive different frequency range
Radiofrequency signal, radio frequency reception port 206 is for receiving and the radiofrequency signal of 205 similar frequency bands of port.For example, being sent out with multiple radio frequencies
Penetrate that port is corresponding, radio frequency reception port 204 is used to receive the radiofrequency signal of Band1 frequency range, radio frequency reception port 205,206
For receiving the radiofrequency signal of Band3 frequency range, radio frequency reception port 207 is used to receive the radiofrequency signal of Band7 frequency range.
Radio frequency reception port 208,209 is connect with filter 261.Radio frequency reception port 211,212 and filter 262 connect
It connects.Radio frequency reception port 208,209,212 is respectively used to receive the radiofrequency signal of different frequency range, and radio frequency reception port 211 is used for
Receive the radiofrequency signal with 209 similar frequency bands of port.For example, radio frequency reception port corresponding with multiple radio-frequency transmissions ports
208 for receiving the radiofrequency signal of Band1 frequency range, and radio frequency reception port 209,211 is used to receive the radio frequency letter of Band3 frequency range
Number, radio frequency reception port 212 is used to receive the radiofrequency signal of Band7 frequency range.
Power amplifier 221 is connect with four work devices 231.The radio frequency that power amplifier 221 emits radio-frequency transmissions port 201
After signal amplifies, it is sent to four work devices 231.Power amplifier 222 is connect with four work devices 231 and duplexer 232 respectively.Function
After rate amplifier 222 amplifies the radiofrequency signal that radio-frequency transmissions port 202 emits, it is sent to four work devices 231 or duplex
Device 232.Power amplifier 223 is connect with duplexer 233.The radio frequency that power amplifier 223 emits radio-frequency transmissions port 203 is believed
Number amplification after, be sent to duplexer 233.
Four work devices 231 are for being sent to antenna after being polymerize power amplifier 221,222 amplified radiofrequency signals
251, or radio frequency reception port 204,205 is sent to after being divided from the radiofrequency signal that antenna 251 receives.
Duplexer 232 is connected to combiner 234.Duplexer 232 is used for the amplified radiofrequency signal of power amplifier 222
It is sent to combiner 234, or is sent to radio frequency reception port after being filtered from the radiofrequency signal that combiner 234 receives
206。
Duplexer 233 is connected to combiner 234.Duplexer 233 is used for the amplified radiofrequency signal of power amplifier 223
It is sent to combiner 234, or is sent to radio frequency reception port after being filtered from the radiofrequency signal that combiner 234 receives
207。
Combiner 234 is dual-frequency channel merger.The radiofrequency signal that combiner 234 is used to send duplexer 232,233 carries out
After combining, it is sent to antenna 251, or be sent to duplexer after being divided from the radiofrequency signal that antenna 251 receives
232、233。
It should be noted that combiner when dividing to radiofrequency signal, is referred to as frequency divider.
Switch 241 can be single-pole double-throw switch (SPDT).Switch 241 includes multiple port K1, K2, K3.Wherein, port K1 and four
Work device 231 connects, and port K2 is connect with combiner 234, and port K3 is connect with antenna 251.The connection of the port K3 property of can choose
Port K1 or port K2.
When port K3 connects port K1, the radiofrequency signal that radio-frequency transmissions port 201,202 emits is sent out via four work devices 231
It is mapped to antenna 251, and is emitted to the external world via antenna 251.When port K3 connects port K2, radio-frequency transmissions port 202,203
The radiofrequency signal of transmitting is emitted to antenna 251 via combiner 234, and is emitted to the external world via antenna 251.
Antenna 251 can collect antenna based on.Antenna 251 be used for the emission of radio frequency signals that sends RF transceiver 210 to
The external world, or after external world's reception radiofrequency signal, it is sent to RF transceiver 210.
When the port K3 of switch 241 connects port K1, antenna 251 connects four work devices 231.At this point, radio-frequency transmissions port
201, the radiofrequency signal of 202 transmittings is emitted to antenna 251 via four work devices 231.And the Insertion Loss of four work devices is less than tri-frequency combiner
Insertion Loss, therefore the Insertion Loss of radio circuit can be reduced, the stability of radiofrequency signal be improved, to improve the stability of terminal.
When the port K3 of switch 241 connects port K2, antenna 251 connects combiner 234.At this point, radio-frequency transmissions port
202, the radiofrequency signal of 203 transmittings is emitted to antenna 251 via combiner 234.And combiner 234 is dual-frequency channel merger, double frequency
The Insertion Loss of combiner is less than the Insertion Loss of tri-frequency combiner, therefore can also reduce the Insertion Loss of radio circuit, improves radiofrequency signal
Stability, to improve the stability of terminal.
On the other hand, filter 261,262 is connect with switch 242.Filter 261,262 is all double frequency filter.Filter
After the radiofrequency signal that antenna 252 is sent is filtered by wave device 261, it is sent to radio frequency reception port 208,209.Filter 262
After the radiofrequency signal that antenna 252 is sent is filtered, it is sent to radio frequency reception port 211,212.
Switch 242 can be single-pole double-throw switch (SPDT).Switch 242 includes multiple port K4, K5, K6.Wherein, port K4 and filter
Wave device 261 connects, and port K5 is connect with filter 262, and port K6 is connect with antenna 252.The connection of the port K6 property of can choose
Port K4 or port K5.
When port K6 connects port K4, the radiofrequency signal that antenna 252 receives is sent to filter 261.As port K6
When connecting port K5, the radiofrequency signal that antenna 252 receives is sent to filter 262.
Antenna 252 can be diversity antenna.Antenna 252 is used to receive radiofrequency signal, and the radio frequency that will be received from the external world
Signal is sent to filter 261 or filter 262.
When port K6 connects port K4, the radiofrequency signal that antenna 252 receives is sent to radio frequency via filter 261 and receives
Device 210 is sent out, radiofrequency signal needs not move through frequency divider at this time, therefore can reduce the Insertion Loss of radio circuit, improves radiofrequency signal
Stability.When port K6 connects port K5, the radiofrequency signal that antenna 252 receives is sent to radio frequency via filter 262 and receives
Device 210 is sent out, radiofrequency signal therefore can also reduce the Insertion Loss of radio circuit without frequency divider is passed through at this time, improve radio frequency letter
Number stability.
Radio circuit provided in an embodiment of the present invention and terminal are described in detail above, it is used herein specifically
Principle and implementation of the present invention are described for a example, the above embodiments are only used to help understand this hair
It is bright.Meanwhile for those skilled in the art, according to the thought of the present invention, can in specific embodiments and applications
There is change place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of radio circuit, which is characterized in that including RF transceiver, four work devices, combiner, first switch and first day
Line；
RF transceiver is connect with four work devices, combiner respectively, first switch respectively with four work devices, combiner and first antenna
Connection；
The RF transceiver includes the first radio frequency reception port and the second radio frequency reception port, first radio frequency reception port
Connect with the four works device, second radio frequency reception port is connect with the combiner, first radio frequency reception port with
Second radio frequency reception port is used to receive the radiofrequency signal of similar frequency bands；
When first switch and four work devices are connected, the first signal of RF transceiver generation, second signal are sent to via four work devices
First antenna；
When first switch and combiner are connected and disconnect the four works device, the of the second signal and RF transceiver generation
Three signals are sent to first antenna via combiner；
Wherein, the combiner is dual-frequency channel merger, and first signal, the second signal, the third signal are difference
The radiofrequency signal of frequency range.
2. radio circuit according to claim 1, which is characterized in that it further include first duplexer, the second duplexer, first
Duplexer is connect with RF transceiver, combiner respectively, and the second duplexer is connect with RF transceiver, combiner respectively.
3. radio circuit according to claim 2, which is characterized in that further include that the first power amplifier, the second power are put
Big device and third power amplifier, the first power amplifier are connect with four work devices, RF transceiver respectively, the second power amplifier
It is connect respectively with four work devices, first duplexer, RF transceiver, third power amplifier is received with the second duplexer, radio frequency respectively
Send out device connection.
4. radio circuit according to any one of claim 1 to 3, which is characterized in that further include frequency divider and second day
Line, frequency divider are connect with the second antenna and the RF transceiver respectively.
5. radio circuit according to claim 4, which is characterized in that the frequency divider is three frequency dividers.
6. radio circuit according to claim 4, which is characterized in that the frequency divider is double frequency frequency divider, the radio frequency
Circuit further includes first filter, second filter, and first filter connects with the frequency divider and the RF transceiver respectively
It connects, second filter is connect with the frequency divider and the RF transceiver respectively.
7. radio circuit according to claim 6, which is characterized in that further include second switch, third filter, second opens
Pass is connect with third filter, the frequency divider, second antenna respectively, and third filter also connects with the RF transceiver
It connects.
8. radio circuit according to any one of claim 1 to 3, which is characterized in that further include that third antenna, third are opened
Pass, the 4th filter and the 5th filter, third switch are connect with third antenna, the 4th filter, the 5th filter respectively,
4th filter, the 5th filter are also connect with the RF transceiver.
9. radio circuit according to claim 8, which is characterized in that the 4th filter, the 5th filter are double
Frequency filter.
10. a kind of terminal, which is characterized in that including processor and radio circuit, the processor and the radio circuit connect
It connects, for the processor for handling the data in the terminal, the radio circuit is any in claim 1 to 9
Radio circuit described in.
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| CN201710165235.XA CN107070483B (en) | 2017-03-20 | 2017-03-20 | Radio circuit and terminal |
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| CN201710165235.XA CN107070483B (en) | 2017-03-20 | 2017-03-20 | Radio circuit and terminal |
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| CN107070483B true CN107070483B (en) | 2019-12-03 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612563B (en) * | 2017-08-31 | 2018-09-07 | 广东欧珀移动通信有限公司 | Radio-frequency front-end system, mobile terminal and signal processing method |
| CN109672455B (en) * | 2017-10-17 | 2021-11-12 | 中兴通讯股份有限公司 | Radio frequency circuit, configuration method and device of radio frequency circuit |
| KR102352553B1 (en) * | 2017-10-25 | 2022-01-18 | 삼성전자주식회사 | Electronic device including a plurality of antennas and method of operating the same |
| CN109728443B (en) * | 2018-12-10 | 2021-08-13 | 深圳市万普拉斯科技有限公司 | Dual-frequency antenna architecture and mobile intelligent device |
| CN110336577B (en) | 2019-07-08 | 2021-03-19 | 维沃移动通信有限公司 | Radio frequency circuit and terminal equipment |
| CN110767985B (en) * | 2019-09-24 | 2023-03-17 | 深圳三星通信技术研究有限公司 | Base station antenna and base station |
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| CN105376872A (en) * | 2014-08-15 | 2016-03-02 | 中兴通讯股份有限公司 | Method and terminal supporting carrier aggregation |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: Guangdong Opel Mobile Communications Co., Ltd. |
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