CN210246745U - Radio frequency control circuit and mobile terminal - Google Patents
Radio frequency control circuit and mobile terminal Download PDFInfo
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- CN210246745U CN210246745U CN201921200775.8U CN201921200775U CN210246745U CN 210246745 U CN210246745 U CN 210246745U CN 201921200775 U CN201921200775 U CN 201921200775U CN 210246745 U CN210246745 U CN 210246745U
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Abstract
The utility model provides a radio frequency control circuit and mobile terminal, radio frequency control circuit includes: the wireless fidelity system comprises a baseband processor and at least one fifth generation mobile communication network link and a wireless fidelity link which are connected with the baseband processor; the fifth generation mobile communication network link comprises a first modem, a first radio frequency transceiver, a switch, a first amplifier, a first filter, a first transceiving switch and a first antenna which are sequentially arranged, wherein the first modem is connected with the baseband processor; the wireless fidelity link comprises a second modem and a second radio frequency transceiver which are sequentially arranged, the second modem is connected with the baseband processor, and the second radio frequency transceiver is connected with the switch. The embodiment of the utility model provides a can reduce radio frequency control circuit's structural cost reduces radio frequency control circuit's volume can also improve radio frequency control circuit's overall arrangement convenience in 5G mobile terminal.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to a radio frequency control circuit and mobile terminal.
Background
As communication technologies develop, users have increasingly high communication demands for mobile terminals. A fifth generation mobile communication network (5G) mobile terminal has a very high data transmission rate and a very low time delay, and is capable of meeting the needs of various application scenarios, and thus has received wide attention from users.
In the existing 5G mobile terminal, in order to meet the requirement of wide area coverage and simultaneously take account of the requirement of data transmission rate, a frequency band below 6GHz (Sub-6GHz) is often divided into various Sub-frequency bands, for example, the frequency band below 6GHz is divided into a Sub-frequency band n78(3.3GHz-4.2GHz) and a Sub-frequency band n79 (4.4GHz-5.0 GHz). Furthermore, in order to increase the data transmission rate, two links are usually introduced to transmit data of each sub-band.
Referring to fig. 1, a schematic structural diagram of a conventional radio frequency control circuit is shown, and as shown in fig. 1, the radio frequency control circuit specifically includes: a baseband processor 10, and a first 5G link 11, a second 5G link 12, and a Wireless Fidelity (Wi-Fi) link 13 respectively connected to the baseband processor 10, wherein the Wi-Fi link 13 may be divided into a first Wi-Fi link 131 and a second Wi-Fi link 132. In practical applications, the first 5G link 11 and the second 5G link 12 may be used for transmitting data communication signals of a certain sub-band, and the Wi-Fi link 13 may be used for transmitting wireless communication signals.
However, in the conventional rf control circuit, since additional transmission paths (the first 5G link 11 and the second 5G link 12) need to be added in the Sub-6GHz band, and there are more electronic components on each path, the structure cost of the rf control circuit is increased, the volume of the rf control circuit is easily increased, and the layout difficulty of the rf control circuit in the 5G mobile terminal is further increased.
SUMMERY OF THE UTILITY MODEL
In order to solve current mobile terminal, radio frequency control circuit cost is higher, the great problem of volume moreover, the utility model provides a radio frequency control circuit and a mobile terminal.
In order to solve the above problem, on the one hand, the utility model discloses a radio frequency control circuit, include: the wireless fidelity system comprises a baseband processor and at least one fifth generation mobile communication network link and a wireless fidelity link which are connected with the baseband processor; wherein the content of the first and second substances,
the fifth generation mobile communication network link comprises a first modem, a first radio frequency transceiver, a switch, a first amplifier, a first filter, a first transceiving switch and a first antenna which are arranged in sequence, wherein the first modem is connected with the baseband processor;
the wireless fidelity link comprises a second modem and a second radio frequency transceiver which are sequentially arranged, the second modem is connected with the baseband processor, the second radio frequency transceiver is connected with the switch, and the switch conducts the first radio frequency transceiver and the first amplifier or conducts the second radio frequency transceiver and the first amplifier according to a target signal output by the baseband processor.
On the other hand, the utility model also discloses a mobile terminal, include: the radio frequency control circuit.
The utility model discloses a following advantage:
in the embodiment of the present invention, the fifth generation mobile communication network link may include a first modem, a first radio frequency transceiver, a switch, a first amplifier, a first filter, a first transceiver switch, and a first antenna, which are sequentially arranged, wherein the first modem is connected to the baseband processor; the wireless fidelity link may include a second modem and a second radio frequency transceiver, which are sequentially arranged, wherein the second modem is connected to the baseband processor, and the second radio frequency transceiver is connected to the switch. In practical applications, when the target signal is a data communication signal, the switch may turn on the first radio frequency transceiver and the first amplifier, and when the target signal is a wireless communication signal, the switch may turn on the second radio frequency transceiver and the first amplifier. That is to say, in the embodiment of the present invention, the fifth generation mobile communication network link and the wireless fidelity link can share the first amplifier, the first filter, the first transceiving switch and the first antenna, so as to reduce the electronic component on the radio frequency control circuit, thereby not only reducing the structural cost of the radio frequency control circuit, but also reducing the volume of the radio frequency control circuit, and further improving the layout convenience of the radio frequency control circuit in the 5G mobile terminal.
Drawings
Fig. 1 is a schematic structural diagram of a conventional rf control circuit;
fig. 2 is a schematic structural diagram of a radio frequency control circuit according to the present invention;
fig. 3 is a schematic structural diagram of another rf control circuit according to the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 2, a schematic structural diagram of a radio frequency control circuit of the present invention is shown, which may specifically include: a baseband processor 20 and at least one 5G link 21, Wi-Fi link 22 connected to the baseband processor 20; the 5G link 21 includes a first modem 211, a first radio frequency transceiver 212, a switch 213, a first amplifier 214, a first filter 215, a first transceiver switch 216, and a first antenna 217, which are sequentially arranged, where the first modem 212 is connected to the baseband processor 20; the Wi-Fi link 22 includes a second modem 221 and a second rf transceiver 222 sequentially disposed, the second modem 221 is connected to the baseband processor 20, the second rf transceiver 222 is connected to the switch 213, and the switch 213 is configured to conduct the first rf transceiver 212 and the first amplifier 214 or conduct the second rf transceiver 222 and the first amplifier 204 according to a target signal output by the baseband processor 20.
In practical applications, when the target signal is a data communication signal, the switch 213 may turn on the first rf transceiver 212 and the first amplifier 214 for transmitting the data communication signal; when the target signal is a wireless communication signal, the switch 213 may turn on the second rf transceiver 222 and the first amplifier 214 for transmitting the wireless communication signal. That is to say, in the embodiment of the present invention, the 5G link 21 and the Wi-Fi link 22 may share the first amplifier 214, the first filter 215, the first transceiving switch 216, and the first antenna 217, and electronic components on the radio frequency control circuit are reduced, so that not only the structural cost of the radio frequency control circuit is reduced, but also the volume of the radio frequency control circuit can be reduced, and further, the layout convenience of the radio frequency control circuit in the 5G mobile terminal can be improved.
Specifically, the baseband processor 20 may include units such as a Digital Signal Processor (DSP), a Microcontroller (MCU), and a memory (SRAM, Flash), and the baseband processor 20 may be used for data processing and storage.
In practical applications, the 5G link 21 may be used for uploading and downloading data communication signals, wherein the first modem 211 is connected to the baseband processor 20, and may be used for modulation and demodulation of the data communication signals, and the first rf transceiver 212 may up-down convert and drive the data communication signals to become larger. The Wi-Fi link 22 may be used for uploading and downloading of wireless communication signals, the second modem 221 is connected to the baseband processor 20 and may be used for modulation and demodulation of wireless communication signals, and the second rf transceiver 222 may be used for up-down conversion and driving up-down conversion of wireless communication signals.
It can be understood that, in the embodiment of the present invention, the 5G link 21 may be used to transmit data signals of the sub-band n78 and/or the sub-band n79, and the embodiment of the present invention is not limited to the specific frequency band of the data communication signals that the 5G link 21 can transmit.
Specifically, the first amplifier 214 may be configured to amplify the data communication signal/wireless communication signal, the first filter 215 may be configured to filter an out-of-band signal of the data communication signal, or may be configured to filter an out-of-band signal of the wireless communication signal, the first transceiving switch 216 may be configured to switch a transmitting path and a receiving path of the data communication signal/wireless communication signal, and the first antenna 217 may be configured to externally transmit or receive an external data communication signal/wireless communication signal.
In the embodiment of the present invention, the switch 213 may include: a first input terminal, a second input terminal, and an output terminal; wherein the first input is connected to the first rf transceiver 212, the second input is connected to the second rf transceiver 222, and the output is connected to the first amplifier 214.
In the case that the target signal type is a data communication signal, the first input terminal is connected to the output terminal to conduct the first rf transceiver 212 and the first amplifier 214 for transmitting the data communication signal. In the case that the target signal type is a wireless communication signal, the second input terminal is connected to the output terminal to conduct the second rf transceiver 222 and the first amplifier 214 for transmitting the wireless communication signal.
Alternatively, to improve the convenience and cost of operation of the switch 213, the switch 213 may be a single-pole double-throw switch.
In the embodiment of the present invention, the radio frequency control circuit can further include: a Long Term Evolution (LTE) link 23; the LTE link 23 may include a third modem 231, a third radio frequency transceiver 232, a third amplifier 233, a third filter 234, a third transceiver switch 235, and a third antenna 236, which are sequentially disposed. In practical applications, the LTE link 23 may be used for transmission of wireless data communication signals.
As shown in fig. 2, the number of the 5G links 21 may be two, and the Wi-Fi link 22 may further include: two Wi-Fi sublinks 223; wherein; one end of each Wi-Fi sub-link 223 is connected to the second radio frequency transceiver 222, and the other end is connected to the switch 213 of one of the 5G links 21.
In practical applications, under the sa (stand alone) architecture of the 5G network, 5G is independently networked, and under this architecture, the number of the 5G links 21 may be two. Correspondingly, in order to increase the transmission speed of the wireless communication signal, the Wi-Fi link 22 may also include two Wi-Fi sub-links 223, and the other end of each Wi-Fi sub-link 223 is connected to the switch 213 of one of the 5G links 21. So that the two Wi-Fi sub-links 223 share the first amplifier 214, the first filter 215, the first transmit/receive switch 216 and the first antenna 217 on the two 5G links 21, respectively, the electronic components on the radio frequency control circuit are reduced.
Referring to fig. 3, which shows a schematic structural diagram of another rf control circuit of the present invention, as shown in fig. 3, the number of the 5G links 21 is one, and the Wi-Fi link 22 may further include: a first Wi-Fi sublink 224 and a second Wi-Fi sublink 225; wherein, one end of the first Wi-Fi sub-link 224 is connected to the second radio frequency transceiver 222, and the other end is connected to the switch 213 of the 5G link 21; one end of the second Wi-Fi sub-link 225 is connected to the second rf transceiver 222, and the other end is further connected to a second amplifier 226, a second filter 227, a second transceiver switch 228, and a second antenna 229 in sequence.
Specifically, the second amplifier 226 may be configured to amplify a wireless communication signal, the second filter 227 may be configured to filter an out-of-band signal of the wireless communication signal, the second transceiving switch 228 may be configured to switch a transmitting path and a receiving path of the wireless communication signal, and the second antenna 229 may be configured to radiate or receive an external wireless communication signal.
In practical application, under a Non-Stand Alone (NSA) architecture based on a 5G network, the 5G network and the LTE network jointly form a network, and a mechanism of dual connection between LTE and 5G is established, where the number of the 5G links 21 is one. To increase the transmission speed of the wireless communication signal, the Wi-Fi link 22 may also include a first Wi-Fi sub-link 224 and a second Wi-Fi sub-link 225, wherein the first Wi-Fi sub-link 224 may share the first amplifier 214, the first filter 215, the first transceiver switch 216, and the first antenna 217 of the 5G link 21, and reduce the electronic components on the radio frequency control circuit. The second Wi-Fi sublink 225 may transmit wireless communication signals through a second amplifier 226, a second filter 227, a second transceiver switch 228, and a second antenna 229.
In an optional embodiment of the present invention, the radio frequency control circuit may further include: and the signal monitor is connected with the baseband processor 20, and the baseband processor 20 obtains the signal type and the target signal type through the signal monitor.
Specifically, the signal monitor may be configured to monitor a radio frequency signal, and when the monitored radio frequency signal is a data communication signal, the data communication signal may be determined as a target signal; when the monitored radio frequency signal is a wireless communication signal, the wireless communication signal can be determined as a target signal; when the data communication signal and the wireless communication signal are monitored simultaneously, the data communication signal or the wireless communication signal is determined as a target signal according to a data transmission priority preset by a user or a default data transmission priority of the mobile terminal.
Optionally, the baseband processor 20 is provided with a control module, the control module is connected to the switch 213, and the control module is configured to control the switch 213 to connect the first radio frequency transceiver 212 and the first amplifier 214, or control the switch 213 to connect the second radio frequency transceiver 222 and the first amplifier 214, according to the target signal, so as to improve a control automation degree of the switch 213.
For example, in the case that the target signal type is a data communication signal, the control module may control the switch 213 to conduct the first rf transceiver 212 and the first amplifier 214 for transmission of the data communication signal. In the case that the target signal type is a wireless communication signal, the control module may control the switch 213 to conduct the second rf transceiver 222 and the first amplifier 214 for transmission of the wireless communication signal.
To sum up, the embodiment of the present invention provides a radio frequency control circuit including following advantage at least:
in the embodiment of the present invention, the fifth generation mobile communication network link may include a first modem, a first radio frequency transceiver, a switch, a first amplifier, a first filter, a first transceiver switch, and a first antenna, which are sequentially arranged, wherein the first modem is connected to the baseband processor; the wireless fidelity link may include a second modem and a second radio frequency transceiver, which are sequentially arranged, wherein the second modem is connected to the baseband processor, and the second radio frequency transceiver is connected to the switch. In practical applications, when the target signal is a data communication signal, the switch may turn on the first radio frequency transceiver and the first amplifier, and when the target signal is a wireless communication signal, the switch may turn on the second radio frequency transceiver and the first amplifier. That is to say, in the embodiment of the present invention, the fifth generation mobile communication network link and the wireless fidelity link can share the first amplifier, the first filter, the first transceiving switch and the first antenna, so as to reduce the electronic component on the radio frequency control circuit, thereby not only reducing the structural cost of the radio frequency control circuit, but also reducing the volume of the radio frequency control circuit, and further improving the layout convenience of the radio frequency control circuit in the 5G mobile terminal.
The embodiment of the utility model provides a still provide a mobile terminal, mobile terminal specifically can include: the radio frequency control circuit. The radio frequency control circuit can be used in cooperation with modules such as a power supply and a processor in the mobile terminal to realize radio frequency signal transmission control of the mobile terminal. The mobile terminal may include, but is not limited to, any one of a mobile phone, a tablet computer, and a wearable time device, and the embodiment of the present invention may not be limited to the specific type of the mobile terminal.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The radio frequency control circuit and the mobile terminal provided by the present invention are introduced in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the descriptions of the above embodiments are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. A radio frequency control circuit, comprising: the wireless fidelity system comprises a baseband processor and at least one fifth generation mobile communication network link and a wireless fidelity link which are connected with the baseband processor; wherein the content of the first and second substances,
the fifth generation mobile communication network link comprises a first modem, a first radio frequency transceiver, a switch, a first amplifier, a first filter, a first transceiving switch and a first antenna which are arranged in sequence, wherein the first modem is connected with the baseband processor;
the wireless fidelity link comprises a second modem and a second radio frequency transceiver which are sequentially arranged, the second modem is connected with the baseband processor, the second radio frequency transceiver is connected with the switch, and the switch conducts the first radio frequency transceiver and the first amplifier or conducts the second radio frequency transceiver and the first amplifier according to a target signal output by the baseband processor.
2. The radio frequency control circuit of claim 1, wherein the switch comprises: a first input terminal, a second input terminal, and an output terminal; wherein the content of the first and second substances,
the first input end is connected with the first radio frequency transceiver, the second input end is connected with the second radio frequency transceiver, and the output end is connected with the first amplifier;
the first input terminal is connected to the output terminal when the target signal is a data communication signal, and the second input terminal is connected to the output terminal when the target signal is a wireless communication signal.
3. The rf control circuit of claim 1, wherein the switch is a single pole double throw switch.
4. The rf control circuit of claim 1, wherein the number of the fifth generation mobile communication network links is two, and wherein the wifi link further comprises: two wireless fidelity sub-links; wherein;
one end of each wireless fidelity sub-link is connected with the second radio frequency transceiver, and the other end of each wireless fidelity sub-link is connected with a switch of one of the fifth-generation mobile communication network links.
5. The rf control circuit of claim 1, wherein the number of the fifth generation mobile communication network links is one, and wherein the wifi link further comprises: a first wireless fidelity sub-link and a second wireless fidelity sub-link; wherein the content of the first and second substances,
one end of the first wireless fidelity sub-link is connected with the second radio frequency transceiver, and the other end of the first wireless fidelity sub-link is connected with a switch of the fifth generation mobile communication network link;
one end of the second wireless fidelity sublink is connected with the second radio frequency transceiver, and the other end of the second wireless fidelity sublink is sequentially connected with a second amplifier, a second filter, a second transceiver switch and a second antenna.
6. The radio frequency control circuit according to claim 1, further comprising: a long term evolution link; wherein the content of the first and second substances,
the long term evolution link comprises a third modem, a third radio frequency transceiver, a third amplifier, a third filter, a third transceiving switch and a third antenna which are arranged in sequence.
7. The radio frequency control circuit according to claim 1, further comprising: and the signal monitor is connected with the baseband processor, and the baseband processor determines the target signal through the radio frequency signal acquired by the signal monitor.
8. The RF control circuit of claim 7, wherein a control module is disposed on the baseband processor, the control module is connected to the switch, and the control module is configured to control the switch to connect the first RF transceiver to the first amplifier or control the switch to connect the second RF transceiver to the first amplifier according to the target signal.
9. A mobile terminal, comprising: the radio frequency control circuit of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200775.8U CN210246745U (en) | 2019-07-26 | 2019-07-26 | Radio frequency control circuit and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200775.8U CN210246745U (en) | 2019-07-26 | 2019-07-26 | Radio frequency control circuit and mobile terminal |
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| CN210246745U true CN210246745U (en) | 2020-04-03 |
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| CN201921200775.8U Active CN210246745U (en) | 2019-07-26 | 2019-07-26 | Radio frequency control circuit and mobile terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112769446A (en) * | 2020-12-31 | 2021-05-07 | 维沃移动通信有限公司 | Radio frequency circuit, signal transceiving method and electronic device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112769446A (en) * | 2020-12-31 | 2021-05-07 | 维沃移动通信有限公司 | Radio frequency circuit, signal transceiving method and electronic device |
| CN112769446B (en) * | 2020-12-31 | 2022-06-10 | 维沃移动通信有限公司 | Radio frequency circuit, signal transceiving method and electronic device |
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