CN106685468B - Radio frequency circuit, terminal and radio frequency circuit control method - Google Patents

Abstract

The embodiment of the invention discloses a radio frequency circuit, a terminal and a radio frequency circuit control method. The radio frequency circuit includes a radio frequency transceiver module, a control module, a first antenna and a second antenna; the radio frequency transceiver module is electrically connected to the first antenna and the second antenna respectively through the control module; the control module is used to connect the The first frequency band signal received by the first antenna is transmitted to the radio frequency transceiver module, and the second frequency band signal received by the second antenna is transmitted to the radio frequency transceiver module; the control module is used to transmit the signal received by the first antenna in the non-carrier aggregation communication mode. The second frequency band signal is transmitted to the radio frequency transceiver module. This solution improves the performance of the radio frequency circuit by using corresponding antennas to transmit the first frequency band signal and the second frequency band signal respectively in the carrier aggregation communication mode and the non-carrier aggregation communication mode.

Description

Radio frequency circuit, terminal and radio frequency circuit control method

technical field

The present invention relates to the technical field of terminals, in particular to a radio frequency circuit, a terminal and a radio frequency circuit control method.

Background technique

In order to meet the demands of the 4th generation mobile communication technology, 3GPP (The 3rd Generation Partnership Project) has launched the follow-up evolution project LTE-Advanced (LTE-A).

During the evolution from LTE (Long Term Evolution) to the LTE-A system, the demand for wider spectrum will become one of the most important factors affecting the evolution. Therefore, the 3GPP organization proposes to use a carrier aggregation (Carrier Aggregatior, CA) technology to solve the requirements of the LTE-A system for frequency band resources. CA technology can aggregate multiple carriers into a wider spectrum, and can also aggregate some discontinuous spectrum fragments together to increase the system transmission bandwidth. It meets the spectrum compatibility requirements of LTE and LTE-A systems, and can maximize the use of existing LTE equipment and spectrum resources.

However, the carrier aggregation between the high-frequency carrier frequency band and the mid-low frequency carrier frequency band is likely to cause poor performance of the radio frequency circuit under single LTE conditions.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a radio frequency circuit, a terminal, and a radio frequency circuit control method, which can improve the performance of the radio frequency circuit.

An embodiment of the present invention provides a radio frequency circuit, including: a radio frequency transceiver module, a control module, a first antenna and a second antenna;

The radio frequency transceiver module is electrically connected to the first antenna and the second antenna respectively through the control module;

The control module is configured to transmit the first frequency band signal received by the first antenna to the radio frequency transceiver module in the carrier aggregation communication mode, and transmit the second frequency band signal received by the second antenna to the RF transceiver module;

The control module is configured to transmit the second frequency band signal received by the first antenna to the radio frequency transceiver module in a non-carrier aggregation communication mode.

The embodiment of the present invention also provides a terminal, including a radio frequency circuit and a processor;

the radio frequency circuit is electrically connected to the processor;

the processor is configured to process data in the terminal;

The radio frequency circuit is the radio frequency circuit described in the embodiments of the present invention.

Embodiments of the present invention further include a radio frequency circuit control method, including:

Obtain the communication mode in which the terminal is located;

When it is determined that the communication mode is the carrier aggregation communication mode, the first frequency band signal received by the first antenna is transmitted to the radio frequency transceiver module, and the second frequency band signal received by the second antenna is transmitted to the radio frequency transceiver module;

When it is determined that the communication mode is not the carrier aggregation communication mode, the second frequency band signal received by the first antenna is sent to the radio frequency transceiver module.

The radio frequency circuit of the embodiment of the present invention includes a radio frequency transceiver module, a control module, a first antenna, and a second antenna; the radio frequency transceiver module is electrically connected to the first antenna and the second antenna respectively through the control module; the control module is used for the carrier aggregation In the communication mode, the first frequency band signal received by the first antenna is transmitted to the radio frequency transceiver module, and the second frequency band signal received by the second antenna is transmitted to the radio frequency transceiver module; the control module is used to transmit the first frequency band signal in the non-carrier aggregation communication mode. The second frequency band signal received by an antenna is transmitted to the radio frequency transceiver module. The solution improves the performance of the radio frequency circuit by using corresponding antennas to transmit the first frequency band signal and the second frequency band signal respectively in the carrier aggregation communication mode and the non-carrier aggregation communication mode.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic diagram of a first structure of a radio frequency circuit according to a preferred embodiment of the present invention.

FIG. 2 is a schematic diagram of a second structure of a radio frequency circuit according to a preferred embodiment of the present invention.

FIG. 3 is a schematic diagram of a third structure of a radio frequency circuit according to a preferred embodiment of the present invention.

FIG. 4 is a schematic diagram of a fourth structure of a radio frequency circuit according to a preferred embodiment of the present invention.

FIG. 5 is a schematic diagram of a fifth structure of a radio frequency circuit according to a preferred embodiment of the present invention.

FIG. 6 is a schematic diagram of a sixth structure of a radio frequency circuit according to a preferred embodiment of the present invention.

FIG. 7 is a seventh schematic structural diagram of a radio frequency circuit according to a preferred embodiment of the present invention.

FIG. 8 is a schematic structural diagram of a terminal according to a preferred embodiment of the present invention.

FIG. 9 is a flowchart of a method for controlling a radio frequency circuit according to a preferred embodiment of the present invention.

FIG. 10 is a schematic diagram of a carrier aggregation scenario according to a preferred embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

The terms "first", "second", "third" and "fourth" in the present invention are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or modules is not limited to the listed steps or modules, but optionally also includes unlisted steps or modules, or optionally also includes Other steps or modules inherent to these processes, methods, products or devices.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor a separate or alternative embodiment that is mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

Embodiments of the present invention provide a radio frequency circuit, a terminal, and a radio frequency circuit control method. The detailed descriptions will be given below.

Please refer to FIG. 1 , which is a schematic structural diagram of a radio frequency circuit according to an embodiment of the present invention. The radio frequency circuit 1 can be applied to terminal products such as mobile phones, tablet computers, and wearable devices, which are not specifically limited herein.

The radio frequency circuit 1 includes a radio frequency transceiver module 11 , a control module 12 , a first antenna 13 and a second antenna 14 . The radio frequency transceiver module 11 is electrically connected to the first antenna 13 and the second antenna 14 respectively through the control module 12 .

The control module 12 is configured to transmit the first frequency band signal received by the first antenna 13 to the radio frequency transceiver module 11 in the carrier aggregation communication mode, and transmit the second frequency band signal received by the second antenna 14 to the radio frequency transceiver module 11 .

The control module 12 is configured to transmit the second frequency band signal received by the first antenna 13 to the radio frequency transceiver module 11 in the non-carrier aggregation communication mode.

In this preferred embodiment, the radio frequency transceiver module 11 may be a radio frequency transceiver chip. The first frequency band signal is the radio frequency signal whose frequency band falls into the first preset frequency, including the radio frequency signal of the low and middle frequency band and some high frequency band radio frequency signals, such as Band 1, Band 3, Band 38, Band 40 and Band 41 and other frequency bands. radio frequency signal. The second frequency band signal is a radio frequency signal whose frequency band falls within the second preset frequency, including some high frequency radio frequency signals, such as Band 7.

Since the spectrum allocated by the operator is not continuous, in order to obtain a wider bandwidth, it is necessary to combine the fragmented LTE frequency bands into a virtual wider frequency band, that is, to aggregate the carriers of multiple frequency bands together to obtain more resources. . In addition, the carrier aggregation technology has relatively high requirements on the signal, so the carrier aggregation is performed when the signal is good, that is, in the carrier aggregation communication mode; and when the signal is poor, the carrier aggregation is not performed, that is, in the non-carrier aggregation communication mode. To sum up, the control module 12 will control the first antenna 13 and the second antenna 14 to receive the first frequency band signal and the second frequency band signal according to whether it is in the carrier aggregation communication mode.

The performance of the first antenna 13 is better than that of the second antenna 14 . In some embodiments, when in the carrier aggregation communication mode, the first antenna 13 receives the external first frequency band signal, and the second antenna 14 receives the external second frequency band signal, so as to realize the function of carrier aggregation. In this preferred embodiment, the second frequency band corresponding to the second frequency band signal can be used as the primary component carrier or as the secondary component carrier.

In some embodiments, when in the non-carrier aggregation communication mode, the external second frequency band signal is received through the first antenna 13, so the performance of the second frequency band signal under the single LTE condition can be guaranteed.

Next, the radio frequency circuit of the present invention will be further introduced.

In some embodiments, the control module 12 includes a first control sub-module 121 and a second control sub-module 122, as shown in FIG. 2 . The RF transceiver module 11 is electrically connected to the first antenna 13 through the first control sub-module 121 , and the second control sub-module 122 is electrically connected to the RF transceiver module 11 , the first control sub-module 121 , and the second antenna 14 respectively.

Next, the control modes of the first control sub-module 121 and the second control sub-module 122 in the carrier aggregation communication mode and the non-carrier aggregation communication mode are respectively introduced.

In the carrier aggregation communication mode, the first control sub-module 121 transmits the first frequency band signal received by the first antenna 13 to the radio frequency transceiver module 11 . The second control sub-module 122 transmits the second frequency band signal received by the second antenna 14 to the radio frequency transceiver module 11 .

In the non-carrier aggregation communication mode, the first control sub-module 121 and the second control sub-module 122 jointly transmit the second frequency band signal received by the first antenna 13 to the radio frequency transceiver module 11 .

Please refer to FIG. 3 , which is a schematic structural diagram of another radio frequency circuit provided by an embodiment of the present invention. In some embodiments, the first control sub-module 121 includes a first switch 1211 . The first switch 1211 includes a first common terminal 1211a, a first gate terminal 1211b and a second gate terminal 1211c. In this preferred embodiment, the first switch 1211 is a single-pole double-throw switch.

The first common terminal 1211a is connected to the first antenna 13, the first gate terminal 1211b is connected to the radio frequency transceiver module 11, and the second gate terminal 1211c is connected to the third gate terminal 1221b.

The second control sub-module 122 includes a second switch 1221 . The second switch 1221 includes a second common terminal 1221a, a third gate terminal 1221b and a fourth gate terminal 1221c. In this preferred embodiment, the second switch 1221 is a single-pole double-throw switch.

The second common terminal 1221 a is connected to the radio frequency transceiver module 11 , and the fourth gate terminal 1221 c is connected to the second antenna 14 .

Next, the conduction modes of the first switch 1211 and the second switch 1221 in the carrier aggregation communication mode and the non-carrier aggregation communication mode are respectively introduced.

In the carrier aggregation communication mode, the first switch 1211 connects the first common terminal 1211a with the first gate terminal 1211b, so as to transmit the first frequency band signal received by the first antenna 13 to the radio frequency transceiver module 11; the second switch 1221 connects the The second common terminal 1221 a is connected to the fourth gate terminal 1221 c to transmit the second frequency band signal received by the second antenna 14 to the radio frequency transceiver module 12 .

In the non-CA communication mode, the first switch 1211 connects the first common terminal 1211a with the second gate terminal 1211c, the second switch 1221 connects the second common terminal 1221a with the third gate terminal 1221b, and the two cooperate with each other A path is formed to jointly transmit the second frequency band signal received by the first antenna 13 to the radio frequency transceiver module 11 .

In some embodiments, the radio frequency transceiver module 11 includes a first signal receiving end 11a and a second signal receiving end 11b, as shown in FIG. 4 . Wherein, the first frequency band signal includes a first sub frequency band signal and a second sub frequency band signal. The first sub-band signal is a mid-low frequency radio frequency signal in the first frequency band signal, such as a radio frequency signal in frequency bands such as Band 1 and Band 3. The second sub-band is a high-frequency radio frequency signal in the first frequency band signal, such as radio frequency signals in frequency bands such as Band 38, Band 40, and Band 41.

The first signal receiving end 11a is connected to the third gating end 1221b, and the second signal receiving end 11b is connected to the second common end 1221a. The first signal receiving end 11a is used for receiving the first sub-band signal; the second signal receiving end 11b is used for receiving the second frequency band signal and the second sub-band signal.

In some embodiments, the first switch 1211 further includes a fifth gate terminal 1211d, as shown in FIG. 4 . The fifth gate terminal 1211d is connected to the second signal receiving terminal 11b.

In the carrier aggregation communication mode, the first switch 1211 connects the first common terminal 1211a with the fifth gate terminal 1211d, so as to transmit the second sub-band signal received by the first antenna 13 to the second signal receiving terminal 11b.

In some embodiments, the radio frequency circuit 1 further includes a first multiplexer 15 and a second multiplexer 16, and the radio frequency transceiver module 11 further includes a first signal transmitting end 11c and a second signal transmitting end 11d, as shown in FIG. 5 . . The first multiplexer 15 includes a first signal terminal 15a, a second signal terminal 15b and a third signal terminal 15c. The second multiplexer 16 includes a fourth signal terminal 16a, a fifth signal terminal 16b and a sixth signal terminal 16c. In some embodiments, the first multiplexer 15 is a duplexer, and the second multiplexer 16 is a duplexer, a quadplexer, or the like.

The first signal terminal 15a of the first multiplexer 15 is connected to the first signal transmitting terminal 11c, the second signal terminal 15b is connected to the first signal receiving terminal 11a, and the third signal terminal 15c is connected to the first gating terminal 1211b.

The fourth signal terminal 16a of the second multiplexer 16 is connected to the second signal transmission terminal 11d, the fifth signal terminal 16b is connected to the second signal reception terminal 11b, the sixth signal terminal 16c is connected to the fifth gate terminal 1211d, the second signal terminal 16c The common terminal 1221a is connected.

The first multiplexer 15 receives the first sub-band signal sent by the first signal sending end 11c and transmits the first sub-band signal to the first switch 1211 , and receives the external first sub-band signal transmitted by the first switch 1211 and transmits the first sub-band signal. to the first signal receiving end 11a.

The second multiplexer 16 receives the second frequency band signal and the second sub-band signal sent by the second signal transmitting end 11d, and transmits the second frequency band signal and the second sub-band signal to the second switch 1221 and the first switch 1211 respectively , and transmit the external second frequency band signal transmitted by the second switch 1221 and the external second sub-band signal transmitted by the first switch 1211 to the second signal receiving end 11b.

In some embodiments, the radio frequency circuit 1 further includes a first power amplifier 17 and a second power amplifier 18 , as shown in FIG. 6 . The input terminal 17a of the first power amplifier is connected to the first signal transmitting terminal 11c, and the output terminal 17b of the first power amplifier is connected to the second signal terminal 15b of the first multiplexer 15;

The input terminal 18a of the second power amplifier is connected to the second signal transmitting terminal 11d, and the output terminal 18b of the second power amplifier is connected to the sixth signal terminal 16d of the second multiplexer.

The first power amplifier 17 amplifies the first frequency band signal sent by the first signal sending end 11 c and sends the first frequency band signal to the first multiplexer 15 .

The second power amplifier 18 amplifies the second frequency band signal sent by the second signal sending end 11 d and sends the second frequency band signal to the second multiplexer 16 .

As shown in FIG. 7 , in some embodiments, the radio frequency circuit 1 further includes a wireless fidelity module 19 , and the second control sub-module 122 further includes a combiner 1222 .

The combiner 1222 has a first port 1222a connected to the fourth gate terminal 1221c , a second port 1222b connected to the Wi-Fi module 19 , and a third port 1222c connected to the second antenna 14 .

In some embodiments, the combiner 1222 receives the second frequency band signal transmitted by the second switch 1221, receives the Wi-Fi signal sent by the Wi-Fi module 19, and transmits the second frequency band signal and the Wi-Fi signal to the second frequency band The antenna 14 is used to jointly transmit the wireless fidelity signal and the second frequency band signal.

In some embodiments, the Wi-Fi module 19 includes a WiFi (WIreless-Fidelity, wireless fidelity) module and a WiFi transceiver circuit. The WiFi module is connected to the combiner 1222 through the WiFi transceiver circuit. The WiFi transceiver circuit is used for receiving and transmitting wireless fidelity signals.

The radio frequency circuit 1 provided by the embodiment of the present invention provides two antennas: a first antenna and a second antenna. In the carrier aggregation communication mode, you can choose to transmit the first frequency band signal to the outside world through the first antenna, and send the signal to the outside world through the second antenna. The second frequency band signal; in the non-carrier aggregation communication mode, the first antenna can be selected to send the second frequency band signal to the outside world, thereby not only realizing the function of carrier aggregation, but also improving the performance of the radio frequency circuit under the condition of single LTE.

In a preferred embodiment, a terminal is provided. As shown in FIG. 8 , the terminal 10 may include a radio frequency (RF, Radio Frequency) circuit 1, a memory 2 including one or more computer-readable storage media, and an input module. 3. A display module 4, and components such as a processor 5 including one or more processing cores. Those skilled in the art can understand that the terminal structure shown in FIG. 8 does not constitute a limitation on the terminal, and may include more or less components than the one shown, or combine some components, or arrange different components.

The radio frequency circuit 1 can be used to send and receive information, or to receive and send signals during a call. For example, after the downlink information of the base station is received, it is handed over to one or more processors 5 for processing; in addition, the data related to the uplink is sent to the base station. In this preferred embodiment, the radio frequency circuit 1 includes a radio frequency transceiver module, a control module, a first antenna and a second antenna. The radio frequency transceiver module is electrically connected to the first antenna and the second antenna respectively through the control module. Wherein, the performance of the first antenna is better than that of the second antenna.

When the base station needs the terminal 10 to be in the carrier aggregation communication mode, it will send the first configuration instruction to the terminal 10. After the terminal 10 receives the first configuration instruction, the control module sends the first frequency band signal received by one antenna to the radio frequency transceiver module, and sends the second frequency band signal received by the second antenna to the radio frequency transceiver module.

When the base station needs the terminal 10 to be in the non-carrier aggregation communication mode, it will send the second configuration instruction to the terminal 10. After the terminal 10 receives the second configuration instruction, the control module sends the second frequency band signal received by the first antenna to the radio frequency transceiver module.

In some embodiments, the control module includes a first control sub-module and a second control sub-module. After the terminal 10 receives the first configuration instruction, the first control submodule sends the first frequency band signal received by the first antenna to the radio frequency transceiver module; the second control submodule sends the second frequency band signal received by the second antenna to the radio frequency Transceiver module.

After the terminal 10 receives the second configuration instruction, the first control sub-module and the second control sub-module cooperate with each other to jointly transmit the second frequency band signal received by the first antenna to the radio frequency transceiver module.

In some embodiments, the first control module includes a first switch and the second control module includes a second switch. Wherein, the first switch includes a first common terminal, a first gate terminal and a second gate terminal. The second switch includes a second common terminal, a third gate terminal and a fourth gate terminal.

The first common terminal is connected with the first antenna, the first gate terminal is connected with the radio frequency transceiver module, and the second gate terminal is connected with the third gate terminal. The second common terminal is connected to the radio frequency transceiver module, and the fourth gate terminal is connected to the second antenna.

After the terminal 10 receives the first configuration instruction, the first switch connects the first common terminal with the first gate terminal, so as to send the first frequency band signal received by the first antenna to the radio frequency transceiver module; the second switch connects the second The common terminal is connected with the fourth gate terminal, so as to send the second frequency band signal received by the second antenna to the radio frequency transceiver module.

After the terminal 10 receives the second configuration instruction, the first switch connects the first common terminal with the second gate terminal, the second switch connects the second common terminal with the third gate terminal, and the two cooperate with each other to connect the The second frequency band signal received by the first antenna is sent to the radio frequency transceiver module.

In some embodiments, the radio frequency circuit 1 further includes a Wi-Fi module, and the second control sub-module further includes a combiner. The combiner receives the second frequency band signal transmitted by the second switch, receives the wireless fidelity signal sent by the wireless fidelity module, and transmits the second frequency band signal and the wireless fidelity signal to the second antenna, so as to realize the joint transmission of wireless fidelity signal and second-band signal.

In some embodiments, the radio frequency circuit 1 further includes, but is not limited to, at least one power amplifier, a multiplexer, a tuner, one or more oscillators, a Subscriber Identity Module (SIM) card, a transceiver, a coupling Amplifier, Low Noise Amplifier (LNA, Low Noise Amplifier), etc.

The memory 2 can be used to store software programs and modules, and the software programs can control the radio frequency circuit to perform related functions. In practical applications, the processor 5 controls the radio frequency circuit 1 to perform related functions by running software programs and modules stored in the memory 2 .

The input module 3 can be used to receive input numerical or character information, and generate keyboard, mouse, joystick, optical or trackball signal input related to user settings and function control.

The display module 4 can be used to display information input by the user or information provided to the user and various graphical user interfaces of the terminal, which can be composed of graphics, text, icons, videos and any combination thereof.

The processor 5 is the control center of the terminal, uses various interfaces and lines to connect various parts of the entire terminal, and executes by running or executing the software programs and/or modules stored in the memory 2 and calling the data stored in the memory 2. Various functions of the terminal and processing data, so as to monitor the terminal as a whole. Optionally, the processor 5 may include one or more processing cores. In this preferred embodiment, after the terminal 10 receives the first configuration instruction or the second configuration instruction, the processor 5 will run the software program in the memory 2 to control the radio frequency circuit to perform related functions.

Although not shown, the terminal also includes a power supply for supplying power to various components, a Bluetooth module, a camera, etc., which will not be repeated here.

The terminal 10 provided by the embodiment of the present invention provides two antennas, a first antenna and a second antenna. In the carrier aggregation communication mode, the first antenna can be selected to transmit the first frequency band signal to the outside world, and the second antenna can be selected to transmit the first frequency band signal to the outside world through the second antenna. Two-band signal; in the non-carrier aggregation communication mode, you can choose to send the second frequency band signal to the outside world through the first antenna, which not only realizes the function of carrier aggregation, but also improves the performance of the radio frequency circuit under the condition of single LTE.

The embodiment of the present invention further provides a radio frequency circuit control method, which applies the radio frequency circuit 1 provided by the present invention. As shown in Figure 9, the steps of the radio frequency circuit control method include:

Step S101, acquiring the communication mode in which the terminal is located.

There are many key technologies in the LTE-A system to meet the requirements in terms of frequency, bandwidth, peak rate and compatibility, such as carrier aggregation technology, enhanced multi-antenna technology, wireless network coding technology and so on. Therefore, the communication mode in which the terminal is located can be divided according to the type of technology used. In this preferred embodiment, when the carrier aggregation technology is used, it is considered that the terminal is in the carrier aggregation communication mode; when the carrier aggregation technology is not used, it is considered that the terminal is not in the carrier aggregation communication mode.

Step S102, when it is determined that the communication mode is the carrier aggregation communication mode, the first frequency band signal received by the first antenna is transmitted to the radio frequency transceiver module, and the second frequency band signal received by the second antenna is transmitted to the radio frequency transceiver module.

The first frequency band signal The first frequency band signal is a radio frequency signal whose frequency band falls within the first preset frequency, including a first sub-band signal and a second sub-band signal. Wherein, the first sub-band signal is a radio frequency signal of a low and medium frequency band, for example, a radio frequency signal of a frequency band such as Band 1 and Band 3. The second sub-band signals are part of high-frequency radio frequency signals, such as radio frequency signals in frequency bands such as Band 38, Band 40, and Band 41. The second frequency band signal is a radio frequency signal whose frequency band falls within the second preset frequency, including some high frequency radio frequency signals, such as Band 7.

The performance of the first antenna is better than that of the second antenna. Wherein, the first antenna can receive the first frequency band signal and the second frequency band signal, and the second antenna can receive the second frequency band signal. The first antenna and the second antenna may be multi-frequency antennas, for example, the first antenna may cover dual frequencies of Band 3 and Band 38, or cover three frequencies of Band 3, Band 7 and Band 38.

For example, as shown in FIG. 10 , when the first frequency band signal is a Band 3 frequency band signal (B3 signal for short), and the second frequency band signal is a Band 7 frequency band signal (B7 signal for short), when the B3 signal and the B7 signal are carrier aggregated , Band 3 can be used as the main carrier member. At this time, the RF transceiver module can transmit the B3 signal upstream, and send the B3 signal to the antenna 1 through the power amplifier, but cannot transmit the B7 signal upstream, and can only receive the B7 signal downstream. At this time, due to the poor performance of the second antenna, the Band 7 main set reception in the second antenna has almost no function. At this time, the B7 signal can be received through the B7 diversity in the second antenna by sacrificing the performance of the Band 7 main set. Thereby, carrier aggregation of the B3 signal and the B7 signal is realized. The Band7 main set in the second antenna both receives and transmits the B7 signal, and the Band7 diversity set in the second antenna only receives the B7 signal and does not transmit the B7 signal.

Step S103, when it is determined that the communication mode is not the carrier aggregation communication mode, the second frequency band signal received by the first antenna is sent to the radio frequency transceiver module.

Assuming that the second frequency band signal received by the first antenna is the B7 signal, when the communication mode is not the carrier aggregation communication mode, the first antenna sends the B7 signal to the RF transceiver module, thereby improving the performance of the RF circuit under single LTE conditions .

In the radio frequency circuit control method provided by the embodiment of the present invention, in the carrier aggregation communication mode, the first frequency band signal is selected to be transmitted to the outside world through the first antenna, and the second frequency band signal is transmitted to the outside world through the second antenna; in the non-carrier aggregation communication mode, the The second frequency band signal is selected to be sent to the outside world through the first antenna, thereby not only realizing the function of carrier aggregation, but also improving the performance of the radio frequency circuit under the condition of single LTE.

During specific implementation, the above modules can be implemented as independent entities, or can be arbitrarily combined to be implemented as the same or several entities. The specific implementation of the above modules can refer to the previous method embodiments, which will not be repeated here.

It should be noted that those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by instructing relevant hardware through a program, and the program can be stored in a computer-readable storage medium, such as It is stored in the memory of the terminal and executed by at least one processor in the terminal, and the execution process may include the flow of the embodiment of the information publishing method. The storage medium may include: a read only memory (ROM, Read Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, and the like.

A radio frequency circuit and a terminal provided by the embodiments of the present invention are described above in detail, and each functional module may be integrated in a processing chip, or each module may exist physically alone, or two or more modules may be integrated in in a module. The above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules. The principles and implementations of the present invention are described herein using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the Thoughts, there will be changes in specific embodiments and application scopes. To sum up, the contents of this specification should not be construed as limiting the present invention.

Claims (10)

1. A radio frequency circuit, comprising: the antenna comprises a radio frequency transceiving module, a control module, a first antenna and a second antenna, wherein the first antenna is used for receiving a first frequency band signal and a second frequency band signal, the second antenna is used for receiving the second frequency band signal, and the first frequency band signal comprises a first sub-frequency band signal and a second sub-frequency band signal;

The radio frequency transceiving module comprises a first signal receiving end and a second signal receiving end, the first signal receiving end of the radio frequency transceiving module is electrically connected with the first antenna through the control module, and the second signal receiving end of the radio frequency transceiving module is electrically connected with the first antenna and the second antenna through the control module;

The control module is configured to transmit a second sub-band signal received by the first antenna to the second signal receiving end of the radio frequency transceiver module, transmit a first sub-band signal received by the first antenna to the first signal receiving end of the radio frequency transceiver module, and transmit a second sub-band signal received by the second antenna to the second signal receiving end of the radio frequency transceiver module in a carrier aggregation communication mode;

The control module is used for transmitting the second frequency band signal received by the first antenna to a second signal receiving end of the radio frequency transceiving module in a non-carrier aggregation communication mode;

Wherein the performance of the first antenna is better than the performance of the second antenna.

2. the radio frequency circuit of claim 1, wherein the control module comprises a first control submodule and a second control submodule;

The radio frequency transceiving module is electrically connected with the first antenna through the first control submodule, and the second control submodule is electrically connected with the radio frequency transceiving module, the first control submodule and the second antenna respectively;

The first control sub-module is configured to transmit a first frequency band signal received by the first antenna to the radio frequency transceiver module in a carrier aggregation communication mode;

The second control sub-module is configured to transmit a second frequency band signal received by the second antenna to the radio frequency transceiver module in a carrier aggregation communication mode;

The first control submodule and the second control submodule are configured to jointly transmit the second frequency band signal received by the first antenna to the radio frequency transceiver module in a non-carrier aggregation communication mode.

3. The radio frequency circuit of claim 2, wherein the first control submodule comprises a first switch comprising a first common terminal, a first strobe terminal, and a second strobe terminal, and the second control submodule comprises a second switch comprising a second common terminal, a third strobe terminal, and a fourth strobe terminal;

The first common end is connected with the first antenna, the first gating end is connected with the radio frequency transceiver module, and the second gating end is connected with the third gating end;

the second common end is connected with the radio frequency transceiver module, and the fourth gating end is connected with the second antenna;

The first switch is configured to communicate the first common terminal with the first gating terminal in a carrier aggregation communication mode, so as to transmit the first frequency band signal received by the first antenna to the radio frequency transceiver module;

the second switch is configured to communicate the second common terminal with the fourth gating terminal in a carrier aggregation communication mode, so as to transmit the second frequency band signal received by the second antenna to the radio frequency transceiver module;

the first switch and the second switch are used for communicating the first common terminal with the second gating terminal and communicating the second common terminal with the third gating terminal in a non-carrier aggregation communication mode, so that the second frequency band signal received by the first antenna is transmitted to the radio frequency transceiver module.

4. The RF circuit according to claim 3, wherein the RF transceiver module comprises a first signal receiving terminal and a second signal receiving terminal, and the first band signal comprises a first sub-band signal and a second sub-band signal;

The first signal receiving end is connected with the third gating end, and the second signal receiving end is connected with the second common end;

The first signal receiving end is configured to receive the first sub-band signal;

the second signal receiving end is configured to receive a second frequency band signal and the second sub-frequency band signal.

5. The radio frequency circuit of claim 4, wherein the first switch further comprises a fifth pass terminal;

the fifth gating end is connected with the second signal receiving end;

the first switch communicates the first common terminal with the fifth gating terminal in a carrier aggregation communication mode, so as to transmit the second sub-band signal received by the first antenna to the second signal receiving terminal.

6. the RF circuit of claim 5, further comprising a first multiplexer and a second multiplexer, wherein the RF transceiver module further comprises a first signal transmitting terminal and a second signal transmitting terminal;

A first signal end of the first multiplexer is connected with the first signal sending end, a second signal end of the first multiplexer is connected with the first signal receiving end, and a third signal end of the first multiplexer is connected with the first gating end;

A fourth signal end of the second multiplexer is connected with the second signal sending end, a fifth signal end of the second multiplexer is connected with the second signal receiving end, and a sixth signal end of the second multiplexer is connected with the fifth gating end and the second common end;

The first multiplexer receives a first sub-band signal sent by the first signal sending end and transmits the first sub-band signal to the first switch, and receives an external first sub-band signal transmitted by the first switch and transmits the external first sub-band signal to the first signal receiving end;

the second multiplexer is configured to receive a second frequency band signal and a second sub-frequency band signal sent by the second signal sending end, transmit the second frequency band signal and the second sub-frequency band signal to the second switch and the first switch, respectively, and transmit an external second frequency band signal transmitted by the second switch and an external second sub-frequency band signal transmitted by the first switch to the second signal receiving end.

7. the radio frequency circuit of claim 6, further comprising a first power amplifier and a second power amplifier;

The input end of the first power amplifier is connected with the first signal sending end, and the output end of the first power amplifier is connected with the second signal end of the first multiplexer;

The input end of the second power amplifier is connected with the second signal transmitting end, and the output end of the second power amplifier is connected with the sixth signal end of the second multiplexer;

The first power amplifier is configured to amplify a first frequency band signal sent by the first signal sending end and send the first frequency band signal to the first multiplexer;

The second power amplifier is configured to amplify a second frequency band signal sent by the second signal sending end and send the second frequency band signal to the second multiplexer.

8. The radio frequency circuit of claim 3, wherein the radio frequency circuit further comprises a wireless fidelity module, and the second control sub-module further comprises a combiner;

The combiner is provided with a first port connected with the fourth gating end, a second port connected with the wireless fidelity module, and a third port connected with the second antenna;

the combiner is configured to receive a second frequency band signal transmitted by the second switch, receive a wireless fidelity signal sent by the wireless fidelity module, and transmit the second frequency band signal and the wireless fidelity signal to the second antenna.

9. A terminal comprising radio frequency circuitry and a processor;

The radio frequency circuit is electrically connected with the processor;

The processor is used for processing the data in the terminal;

the radio frequency circuit is as claimed in any one of claims 1 to 8.

10. A method for controlling a radio frequency circuit, comprising:

acquiring a communication mode of a terminal;

When the communication mode is judged to be the carrier aggregation communication mode, transmitting a second sub-frequency band signal received by a first antenna to a second signal receiving end of a radio frequency transceiving module, transmitting a first sub-frequency band signal received by the first antenna to a first signal receiving end of the radio frequency transceiving module, and transmitting a second frequency band signal received by a second antenna to a second signal receiving end of the radio frequency transceiving module;

when the communication mode is judged not to be the carrier aggregation communication mode, sending the second frequency band signal received by the first antenna to a second signal receiving end of the radio frequency transceiving module;

Wherein the performance of the first antenna is better than the performance of the second antenna.