CN116545467A

CN116545467A - Radio frequency circuit, control method and related equipment

Info

Publication number: CN116545467A
Application number: CN202310814334.1A
Authority: CN
Inventors: 张志荣; 魏明烁; 谢伟良; 李鹏; 刘桂清
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2023-08-04
Anticipated expiration: 2043-07-04
Also published as: CN116545467B

Abstract

The present disclosure provides a radio frequency circuit, a control method and related devices, including: the first and second receiving and transmitting antennas are used for transmitting and receiving the first carrier wave and the second carrier wave; third and fourth receiving antennas for receiving the first carrier and the second carrier; a transceiver for connecting to the first and second transceiving antennas and the third and fourth receiving antennas through a radio frequency front end link for implementing transmission and reception of the first carrier and the second carrier; and the carrier switching control module is used for acquiring the time slot proportioning information, outputting a carrier control signal to the radio frequency front-end link according to the time slot proportioning information, and realizing the switching of the transmission and the reception of the first carrier and the second carrier according to the time slot proportioning. The radio frequency circuit can reduce TDD time delay, improve network performance and improve spectrum efficiency and user experience.

Description

Radio frequency circuit, control method and related equipment

Technical Field

The disclosure relates to the field of communication technologies, and in particular, to a radio frequency circuit, a terminal, a control method, a device, a computer readable storage medium and an electronic device supporting time division duplex dual carrier time domain complementation.

Background

TDD: time division duplex (Time Division Duplexing), in which a radio frequency point is shared by transmission and reception, and different time slots (with a time guard interval therebetween) are used for uplink and downlink communications. The method has the advantages of flexible frequency allocation, continuous frequency spectrum, large bandwidth, asymmetric service support, suitability for hot spot coverage, low equipment complexity and cost and the like, and simultaneously has the disadvantages of reduced uplink coverage, high time delay, high synchronous requirement of receiving and transmitting the same frequency and the like.

At present, a TDD (time division duplexing) technology is adopted, the consistency of the upper and lower same frequency is good, the resource utilization rate is high, the time delay is high, the requirements of the upper and lower high-speed data communication are difficult to meet at the same time, and the network performance and the user experience are affected.

It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not constitute prior art known to those of ordinary skill in the art.

Disclosure of Invention

The disclosure aims to provide a radio frequency circuit, a terminal, a control method, a device, a computer readable storage medium and an electronic device supporting Time Division Duplex (TDD) time domain complementation, so as to at least solve the technical problems of poor network performance and user experience caused by high time delay and difficulty in meeting the requirements of uplink and downlink high-speed data communication in the TDD time division duplex adopted in the related technology.

Other features and advantages of the present disclosure will be apparent from the following detailed description, or may be learned in part by the practice of the disclosure.

The technical scheme of the present disclosure is as follows: according to one aspect of the present disclosure, there is provided a dual carrier time domain complementary radio frequency circuit supporting time division duplexing, the circuit comprising: the first and second receiving and transmitting antennas are used for transmitting and receiving the first carrier wave and the second carrier wave; third and fourth receiving antennas for receiving the first carrier and the second carrier; a transceiver for connecting to the first and second transceiver antennas and the third and fourth receiving antennas through a radio frequency front end link for enabling transmission and reception of a first carrier and the second carrier; and the carrier switching control module is used for acquiring the time slot proportioning information, outputting a carrier control signal to the radio frequency front-end link according to the time slot proportioning information, and realizing the switching of the transmission and the reception of the first carrier and the second carrier according to the time slot proportioning.

In some embodiments of the present disclosure, the radio frequency front-end link comprises a transmit front-end link and a receive front-end link, wherein the receive front-end link comprises: the first receiving front-end link and the second receiving front-end link are respectively connected to the first and the second receiving antenna through a receiving and transmitting common carrier switching switch.

In some embodiments of the present disclosure, the transmit front-end link comprises: the first transmitting end and the second transmitting end of the first carrier of the transceiver, the first transmitting end and the second transmitting end of the second carrier are respectively connected to the input ends of the first power amplifier and the second power amplifier through the first radio frequency switch and the second radio frequency switch of the first group of transmitting carrier switch; the output ends of the first power amplifier and the second power amplifier are respectively connected to the input ends of the first transmitting band-pass filter and the second transmitting band-pass filter of the first carrier and the first transmitting band-pass filter of the second carrier through the first radio frequency switch and the second radio frequency switch of the second group transmitting carrier switch, so that the output ends of the first transmitting band-pass filter and the second transmitting band-pass filter of the first carrier and the first transmitting band-pass filter of the second carrier and the second transmitting band-pass filter of the second carrier are respectively connected to the first receiving antenna and the second receiving antenna through the first radio frequency switch and the second radio frequency switch in the receiving common carrier switch.

In some embodiments of the present disclosure, the first receive front-end link comprises: the first and second receiving and transmitting antennas are respectively connected to the first receiving band-pass filter and the second receiving band-pass filter of the first carrier wave and the input ends of the first receiving band-pass filter and the second receiving band-pass filter of the second carrier wave through a first radio frequency switch and a second radio frequency switch of a receiving and transmitting common carrier wave switching switch; the output ends of the first receiving band-pass filter and the second receiving band-pass filter of the first carrier wave and the first receiving band-pass filter and the second receiving band-pass filter of the second carrier wave are respectively connected to the input ends of the first low noise amplifier and the second low noise amplifier through a first radio frequency switch and a second radio frequency switch of a first group of receiving carrier wave change-over switches; and the output ends of the first low-noise amplifier and the second noise amplifier are respectively connected to the first receiving end and the second receiving end of the first carrier wave of the transceiver and the first receiving end and the second receiving end of the second carrier wave through the first radio frequency switch and the second radio frequency switch of the second group of receiving carrier wave switching switches.

In some embodiments of the present disclosure, the second receive front-end link comprises: the third receiving antenna and the fourth receiving antenna are respectively connected to the third receiving band-pass filter and the fourth receiving band-pass filter of the first carrier, the third receiving band-pass filter of the second carrier and the input end of the fourth receiving band-pass filter through a first radio frequency switch and a second radio frequency switch in the special receiving carrier change-over switch; the output ends of the third receiving band-pass filter and the fourth receiving band-pass filter of the first carrier wave, the third receiving band-pass filter and the fourth receiving band-pass filter of the second carrier wave are respectively connected to the input ends of the third low noise amplifier and the fourth low noise amplifier through a first radio frequency switch and a second radio frequency switch of a third receiving carrier wave change-over switch; and the output ends of the third low noise amplifier and the fourth low noise amplifier are respectively connected to the third receiving end and the fourth receiving end of the first carrier wave, the third receiving end and the fourth receiving end of the second carrier wave of the transceiver through the first radio frequency switch and the second radio frequency switch of the fourth group of receiving carrier wave change-over switches.

In some embodiments of the present disclosure, the carrier switch control module is further configured to connect with a first set of transmitting carrier switches, a second set of transmitting carrier switches, a set of receiving and transmitting common carrier switches, a first set of receiving carrier switches, a second set of receiving carrier switches, a set of receiving dedicated carrier switches, a third set of receiving carrier switches, and a fourth set of receiving carrier switches in the radio frequency front-end link, and output carrier control signals respectively, so that transmission and reception of the first carrier and the second carrier are switched according to a timeslot ratio.

According to yet another aspect of the present disclosure, there is provided a method of controlling a radio frequency circuit supporting time division duplex dual carrier time domain complementation, the method comprising: acquiring time slot proportioning information; and outputting a carrier control signal to a radio frequency front end link of the radio frequency circuit according to the time slot proportioning information, so that a transceiver of the radio frequency circuit, a first receiving antenna, a second receiving antenna, a third receiving antenna and a fourth receiving antenna send and receive a first carrier and a second carrier are switched according to the time slot proportioning.

In some embodiments of the present disclosure, outputting a carrier control signal to a radio frequency front end link of a radio frequency circuit according to slot ratio information, the step of controlling a transceiver, first and second transceiver antennas, and first and second carriers transmitted and received by third and fourth receiving antennas to switch according to slot ratio includes: in a first period, downlink data of a first carrier and uplink data of a second carrier are received from a first transmitting end and a second transmitting end of a second carrier of a transceiver; the method comprises the steps of inputting downlink data of a first carrier and uplink data of a second carrier to a first power amplifier and a second power amplifier by switching a first radio frequency switch and a second radio frequency switch of a first group of transmitting carrier switching switches; the method comprises the steps of inputting downlink data of a first carrier and uplink data of a second carrier output by a first power amplifier and a second power amplifier to a first transmission band-pass filter and a second transmission band-pass filter of the second carrier by switching a first radio frequency switch and a second radio frequency switch of a second group of transmission carrier switching switches, reserving the uplink data of the second carrier and filtering the downlink data of the first carrier and other interference signals; the uplink data of the second carrier wave output by the first transmitting band-pass filter and the second transmitting band-pass filter of the second carrier wave are sent to a first transmitting antenna and a second transmitting antenna by switching a first radio frequency switch and a second radio frequency switch in a transmitting-receiving common carrier wave switching switch; in a second period, uplink data of a first carrier and downlink data of a second carrier are received from a first transmitting end and a second transmitting end of the first carrier of the transceiver; the method comprises the steps of inputting uplink data of a first carrier and downlink data of a second carrier to a first power amplifier and a second power amplifier by switching a first radio frequency switch and a second radio frequency switch of a first group of transmitting carrier switching switches; the method comprises the steps of inputting uplink data of a first carrier and downlink data of a second carrier output by a first power amplifier and a second power amplifier to a first transmitting band-pass filter and a second transmitting band-pass filter of the first carrier through switching a first radio frequency switch and a second radio frequency switch of a second group of transmitting carrier switching switches, reserving the uplink data of the first carrier and filtering the downlink data of the second carrier and other interference signals; and uplink data of the first carrier wave output by the first transmitting band-pass filter and the second transmitting band-pass filter of the first carrier wave are sent to the first transmitting antenna and the second transmitting antenna by switching the first radio frequency switch and the second radio frequency switch in the transmitting and receiving common carrier wave switching switch.

In some embodiments of the present disclosure, outputting a carrier control signal to a radio frequency front end link of a radio frequency circuit according to slot ratio information, the step of controlling a transceiver, first and second transceiver antennas, and first and second carriers transmitted and received by third and fourth receiving antennas to switch according to slot ratio includes: in a first period, respectively receiving downlink data of a first carrier and uplink data of a second carrier from a first transceiver antenna and a second transceiver antenna; the method comprises the steps of inputting downlink data of a first carrier and uplink data of a second carrier into a first receiving band-pass filter and a second receiving band-pass filter of the first carrier by switching a first radio frequency switch and a second radio frequency switch of a common carrier switching switch, reserving the downlink data of the first carrier and filtering the uplink data of the second carrier and other interference signals between the downlink data of the first carrier and the uplink data of the second carrier; the method comprises the steps of inputting downlink data of a first carrier wave output by a first receiving band-pass filter and a second receiving band-pass filter of the first carrier wave to a first low-noise amplifier and a second low-noise amplifier by switching a first radio frequency switch and a second radio frequency switch of a first group of receiving carrier wave switching switches; the method comprises the steps of inputting downlink data of a first carrier wave output by a first low-noise amplifier and a second low-noise amplifier to a first receiving end and a second receiving end of the first carrier wave of a transceiver by switching a first radio frequency switch and a second radio frequency switch of a second group of received carrier wave switching switches; in a second period, respectively receiving uplink data of a first carrier and downlink data of a second carrier from a first transceiver antenna and a second transceiver antenna; the method comprises the steps of inputting uplink data of a first carrier and downlink data of a second carrier to a first receiving band-pass filter and a second receiving band-pass filter of the second carrier by switching a first radio frequency switch and a second radio frequency switch of a common carrier switching switch, reserving downlink data of the second carrier between the uplink data of the first carrier and the downlink data of the second carrier, and filtering out the uplink data of the first carrier and other interference signals; the method comprises the steps of inputting downlink data of a first receiving band-pass filter of a second carrier and a second carrier output by the second receiving band-pass filter to a first low-noise amplifier and a second low-noise amplifier by switching a first radio frequency switch and a second radio frequency switch of a first group of receiving carrier switching switches; and the downlink data of the second carrier wave output by the first low noise amplifier and the second low noise amplifier are input to the first receiving end and the second receiving end of the second carrier wave of the transceiver by switching the first radio frequency switch and the second radio frequency switch of the second group of receiving carrier wave switching switches.

In some embodiments of the present disclosure, outputting a carrier control signal to a radio frequency front end link of a radio frequency circuit according to slot ratio information, the step of controlling a transceiver, first and second transceiver antennas, and first and second carriers transmitted and received by third and fourth receiving antennas to switch according to slot ratio includes: in a first period, receiving downlink data of a first carrier and uplink data of a second carrier from a third receiving antenna and a fourth receiving antenna; the method comprises the steps of inputting downlink data of a first carrier and uplink data of a second carrier to a third receiving band-pass filter and a fourth receiving band-pass filter of the first carrier through a first radio frequency switch and a second radio frequency switch in a special carrier switching switch, reserving the downlink data of the first carrier and filtering the uplink data of the second carrier and other interference signals; the method comprises the steps of inputting downlink data of a first carrier wave output by a third receiving band-pass filter and a fourth receiving band-pass filter of the first carrier wave to a third low-noise amplifier and a fourth low-noise amplifier by switching a first radio frequency switch and a second radio frequency switch of a third receiving carrier wave switching switch; the first radio frequency switch and the second radio frequency switch of the fourth group of receiving carrier switching switches are switched, and downlink data of the first carrier output by the third low noise amplifier and the fourth low noise amplifier are input to a third receiving end and a fourth receiving end of the first carrier of the transceiver; in a second period, receiving uplink data of the first carrier and downlink data of a second carrier from a third receiving antenna and a fourth receiving antenna; the method comprises the steps of inputting uplink data of a first carrier and downlink data of a second carrier to a third receiving band-pass filter and a fourth receiving band-pass filter of the second carrier by switching a first radio frequency switch and a second radio frequency switch in a special carrier switching switch, reserving the downlink data of the second carrier and filtering the uplink data of the first carrier and other interference signals; the method comprises the steps of inputting downlink data of a second carrier wave output by a third receiving band-pass filter and a fourth receiving band-pass filter of a second carrier wave to a third low-noise amplifier and a fourth low-noise amplifier by switching a first radio frequency switch and a second radio frequency switch of a third receiving carrier wave switching switch; and the downlink data of the second carrier wave output by the third low noise amplifier and the fourth low noise amplifier are input to the third receiving end and the fourth receiving end of the second carrier wave of the transceiver by switching the first radio frequency switch and the second radio frequency switch of the fourth group of receiving carrier wave switching switches.

According to still another aspect of the present disclosure, there is provided a carrier switching control apparatus for controlling a dual carrier time domain complementary radio frequency circuit supporting time division duplex, the apparatus comprising: the information acquisition module is used for acquiring time slot proportioning information; and the circuit switching module is used for outputting carrier control signals to a radio frequency front end link of the radio frequency circuit according to the time slot proportioning information and controlling a transceiver, a first receiving antenna, a second receiving antenna, a third receiving antenna and a fourth receiving antenna to switch the first carrier and the second carrier according to the time slot proportioning.

According to yet another aspect of the present disclosure, there is provided a terminal including a dual carrier time domain complementary radio frequency circuit supporting time division duplexing as described above and a baseband processor, wherein the baseband processor is configured to output slot allocation information to a carrier switching control module.

According to still another aspect of the present disclosure, there is provided an electronic apparatus including: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to perform the above-described dual carrier time domain complementary radio frequency circuit control method supporting time division duplexing via execution of the executable instructions.

According to yet another aspect of the present disclosure, there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the above-described dual carrier time domain complementary radio frequency circuit control method supporting time division duplexing.

The radio frequency circuit of the embodiment of the disclosure realizes a full duplex function similar to frequency division duplex (Frequency Division Duplexing, FDD) by switching in real time according to the proportioning information of the complementation of uplink and downlink time slots of time division duplex (Time Division Duplexing, TDD) dual carriers, and improves the TDD throughput rate and reliability.

Meanwhile, the radio frequency circuit of the embodiment of the disclosure can realize rapid data transmission and rapid hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) feedback, reduce waiting, greatly reduce TDD time delay, and also can meet different service requirements (large uplink and large downlink service) of a TDD 200M NR air interface in a 2C-oriented and business 2B-oriented scene, thereby improving spectrum efficiency and user experience.

Meanwhile, the power consumption, the volume and the cost of the radio frequency circuit are saved, and the radio frequency circuit has important application value and wide use scene. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without undue effort.

Fig. 1 is a schematic diagram of a structure of a dual carrier time domain complementary radio frequency circuit supporting time division duplex in an embodiment of the disclosure.

Fig. 2 shows a schematic structural diagram of a radio frequency circuit supporting time-division duplex dual carrier time domain complementation in yet another embodiment of the present disclosure.

Fig. 3 shows a schematic structure of a radio frequency circuit supporting time-division duplex dual carrier time domain complementation in yet another embodiment of the disclosure.

Fig. 4 is a schematic structural diagram of a dual carrier time domain complementary terminal supporting time division duplex in an embodiment of the disclosure.

Fig. 5 is a flow chart illustrating a method for controlling a dual carrier time domain complementary radio frequency circuit supporting time division duplex in an embodiment of the disclosure.

Fig. 6 is a flow chart of a method for switching and transmitting dual carriers according to a time slot ratio in a dual carrier time domain complementary radio frequency circuit control method supporting time division duplex in an embodiment of the disclosure.

Fig. 7 is a flow chart illustrating a method for switching and receiving dual carriers according to a time slot ratio in a dual carrier time domain complementary radio frequency circuit control method supporting time division duplex according to an embodiment of the disclosure.

Fig. 8 is a flowchart illustrating a method for switching between receiving dual carriers according to a timeslot ratio in a control method of a dual carrier time domain complementary radio frequency circuit supporting time division duplex according to another embodiment of the disclosure.

Fig. 9 shows a schematic block diagram of a carrier switching control device for controlling a dual carrier time domain complementary radio frequency circuit supporting time division duplexing in an embodiment of the present disclosure.

Fig. 10 shows a schematic block diagram of an electronic device supporting a dual carrier time domain complementary radio frequency circuit control method for time division duplexing in an embodiment of the present disclosure.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software or in one or more hardware modules or integrated circuits or in different networks and/or processor devices and/or microcontroller devices.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present disclosure, the meaning of "a plurality" is at least two, such as two, three, etc., unless explicitly specified otherwise.

In view of the technical problems in the related art, embodiments of the present disclosure provide a dual-carrier time domain complementary radio frequency circuit supporting time division duplex, for at least solving one or all of the technical problems.

It should be noted that, the terms or terms related to the embodiments of the present application may be referred to each other, and are not repeated.

The following describes in more detail the components of a dual carrier time domain complementary radio frequency circuit supporting time division duplex in this exemplary embodiment with reference to the accompanying drawings and examples.

Fig. 1 is a schematic diagram of a structure of a dual carrier time domain complementary radio frequency circuit supporting time division duplex in an embodiment of the disclosure. As shown in fig. 1, the radio frequency circuit 100 includes: a first transceiver antenna 110 and a second transceiver antenna 120 for transmitting and receiving a first carrier wave and a second carrier wave; third and fourth receiving antennas 130 and 140 for reception of the first and second carriers; a transceiver 160 connected to the first and second transceiving antennas 110 and 120 and the third and fourth receiving antennas 130 and 140 through the radio frequency front end link 150 for implementing transmission and reception of the first and second carriers; and a carrier switching control module 170, configured to obtain the timeslot proportioning information, and output a carrier control signal to the radio frequency front end link according to the timeslot proportioning information, so as to implement transmission and reception of the first carrier and the second carrier to switch according to the timeslot proportioning.

The switching between the transmission and the reception of the first carrier and the second carrier according to the timeslot ratio may include: transmitting the second carrier in the first period and transmitting the first carrier in the second period; the first carrier is received during a first period of time and the second carrier is received during a second period of time.

Meanwhile, the power consumption, the volume and the cost of the radio frequency circuit are saved, and the radio frequency circuit has important application value and wide use scene.

In some embodiments of the present disclosure, the rf circuit may also be configured as a further rf circuit 200 supporting time-division duplex dual carrier time domain complementation as shown in fig. 2. As shown in fig. 2, the radio frequency circuit 200 may include: a first transceiver antenna 210 and a second transceiver antenna 220 for transmitting and receiving a first carrier wave and a second carrier wave; third and fourth receiving antennas 230 and 240 for reception of the first and second carriers; a transceiver 260 connected to the first and second transceiver antennas 210 and 220 and the third and fourth receiving antennas 130 and 240 through the rf front-end link 250 for implementing transmission and reception of the first and second carriers; the carrier switching control module 270 is configured to obtain timeslot proportioning information, and output a carrier control signal to the radio frequency front end link according to the timeslot proportioning information, so as to implement switching between transmission and reception of the first carrier and the second carrier according to timeslot proportioning; wherein the radio frequency front-end link 250 comprises a transmit front-end link 250a and a receive front-end link, wherein the receive front-end link may further comprise: a first receive front-end link 250b and a second receive front-end link 250c, and the first receive front-end link 250b shares a set of transmit-receive shared carrier switches 250d with the transmit front-end link 250 a.

The radio frequency circuit of the embodiment of the disclosure realizes a full duplex function similar to frequency division duplex (Frequency Division Duplexing, FDD) by switching in real time according to the proportioning information of the complementation of uplink and downlink time slots of time division duplex (Time Division Duplexing, TDD) dual carriers, and improves the TDD throughput rate and reliability. Meanwhile, the radio frequency circuit of the embodiment of the disclosure can realize rapid data transmission and rapid hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) feedback, reduce waiting, greatly reduce TDD time delay, and also can meet different service requirements (large uplink and large downlink service) of a TDD 200M NR air interface in a 2C-oriented and business 2B-oriented scene, thereby improving spectrum efficiency and user experience. Meanwhile, the power consumption, the volume and the cost of the terminal/radio frequency circuit are saved, and the method has important application value and wide use scene. Furthermore, the carrier change-over switch is arranged to realize the sharing of part of antenna receiving and transmitting, so that the power consumption, the volume and the cost of the terminal are saved.

In some embodiments of the present disclosure, the radio frequency front-end link may also include the structure illustrated in a dual carrier time domain complementary radio frequency circuit 300 supporting time division duplexing as shown in fig. 3. As shown in fig. 3, the radio frequency front end link includes: a transmit front-end link 302 and a receive front-end link, wherein the receive front-end link comprises: a first receive front-end link 304 and a second receive front-end link 306, and the first receive front-end link 304 shares a set of transmit-receive shared carrier switches 308 with the transmit front-end link 302.

In some embodiments of the present disclosure, as shown in fig. 3, the transmit front-end link 302 may further comprise: the first transmitting end CC1_T1 and the second transmitting end CC1_T2 of the first carrier of the transceiver, and the first transmitting end CC2_T1 and the second transmitting end CC2_T2 of the second carrier are respectively connected to the input ends of the first power amplifier PA1 and the second power amplifier PA2 in a switching way through a first radio frequency switch SW_T11 and a second radio frequency switch SW_T21 of a first group of transmitting carrier switching switches; the output ends of the first power amplifier PA1 and the second power amplifier PA2 are respectively connected to the first transmit bandpass filter cc1_t1_ft and the second transmit bandpass filter cc1_t2_ft of the first carrier and the input ends of the first transmit bandpass filter cc2_t1_ft and the second transmit bandpass filter cc2_t2_ft of the second carrier through the first radio frequency switch sw_t12 and the second radio frequency switch sw_t22 of the second set of transmit carrier switching switches, respectively, such that the output ends of the first transmit bandpass filter cc1_t1_ft and the second transmit bandpass filter cc1_t2_ft of the first carrier and the first transmit bandpass filter cc2_t1_ft and the second transmit bandpass filter cc2_t2_ft of the second carrier are respectively connected to the first antenna TX 1/transmit/receive antenna RX1 and the second antenna TX 2/2 through the first radio frequency switch tx_t13 and the second radio frequency switch sw_t23 of the transmit common carrier switching switch 308, respectively.

In some embodiments of the present disclosure, as shown in fig. 3, the first receive front-end link 304 includes: the first transmit-receive antenna TX1/RX1 and the second transmit-receive antenna TX2/RX2 are connected to the first receive bandpass filter cc1_r1_ft and the second receive bandpass filter cc1_r2_ft of the first carrier, the first receive bandpass filter cc2_r1_ft and the second receive bandpass filter cc2_r2_ft of the second carrier, and the input terminal of the second receive bandpass filter cc2_r2_ft of the second carrier, respectively, through the first radio frequency switch sw_t13 and the second radio frequency switch sw_t23 (and the transmit-receive common points tr1_cr12/tr1_cp 21, tr2_cr2_cp 21) of the transmit-receive common carrier switch 308; the output ends of the first receiving band-pass filter CC1_R1_FT and the second receiving band-pass filter CC1_R2_FT of the first carrier and the first receiving band-pass filter CC2_R1_FT and the second receiving band-pass filter CC2_R2_FT of the second carrier are respectively connected to the input ends of the first low noise amplifier LNA1 and the second low noise amplifier LNA2 through a first radio frequency switch SW_R12 and a second radio frequency switch SW_R22 of a first group of receiving carrier switching switches; and the output ends of the first low noise amplifier LNA1 and the second noise amplifier LNA2 are connected to the first receiving end CC1_R1 and the second receiving end CC1_R2 of the first carrier, the first receiving end CC2_R1 and the second receiving end CC2_R2 of the second carrier of the transceiver through the first radio frequency switch SW_R11 and the second radio frequency switch SW_R21 of the second group of receiving carrier switching switches respectively.

In some embodiments of the present disclosure, as shown in fig. 3, the second receive front-end link 306 includes: the third receiving antenna RX3 and the fourth receiving antenna RX4 are respectively connected to the third receiving band-pass filter cc1_r3_ft and the fourth receiving band-pass filter cc1_r4_ft of the first carrier, the third receiving band-pass filter cc2_r3_ft and the fourth receiving band-pass filter cc2_r4_ft of the second carrier through a first radio frequency switch sw_r33 and a second radio frequency switch sw_r43 in the receiving dedicated carrier switching switch, respectively; the output ends of the third receiving band-pass filter CC1_R3_FT and the fourth receiving band-pass filter CC1_R4_FT of the first carrier, and the third receiving band-pass filter CC2_R3_FT and the fourth receiving band-pass filter CC2_R4_FT of the second carrier are respectively connected to the input ends of the third low noise amplifier LNA3 and the fourth low noise amplifier LNA4 through a first radio frequency switch SW_R32 and a second radio frequency switch SW_R42 of a third group of receiving carrier switching switches; and the output terminals of the third low noise amplifier LNA3 and the fourth low noise amplifier LNA4 are connected to the third receiving terminal CC 1R 3 and the fourth receiving terminal CC 1R 4 of the first carrier, the third receiving terminal CC 2R 3 and the fourth receiving terminal CC 2R 4 of the second carrier, respectively, through the first radio frequency switch sw_r31 and the second radio frequency switch sw_r41 of the fourth group of receiving carrier switching switches.

In some embodiments of the present disclosure, the carrier switch control module is further configured to connect the first set of transmit carrier switch sw_t11/sw_t21, the second set of transmit carrier switch sw_t12/sw_t22, the set of transmit-receive shared carrier switch sw_t13/sw_t23, the first set of receive carrier switch sw_r12/sw_r22, the second set of receive carrier switch sw_r11/sw_r21, the set of receive dedicated carrier switch sw_r33/sw_r43, the third set of receive carrier switch sw_r32/sw_r42, and the fourth set of receive carrier switch sw_r31/sw_r41 in the radio frequency front-end link, and output carrier control signals to implement the switching according to the timeslot ratio.

Specifically, fig. 5 illustrates a method of controlling a radio frequency circuit supporting time-division duplex dual carrier time domain complementation, and the method 500 may include the following steps.

In step S510, slot allocation information is acquired.

The time slot proportioning information may be information generated by different modules integrated in the same device according to a protocol/algorithm or information received through a network arranged in different devices.

In step S520, a carrier control signal is output to a radio frequency front end link of the radio frequency circuit according to the timeslot proportioning information, so that the transceiver of the radio frequency circuit, the first and second transceiver antennas, and the third and fourth receiving antennas transmit and receive the first carrier and the second carrier, which are switched according to the timeslot proportioning.

The switching between the first carrier and the second carrier, which are sent and received by the transceiver, the first transceiver antenna, the second transceiver antenna, and the third receiver antenna of the radio frequency circuit, according to the timeslot ratio, may include: transmitting the second carrier in the first period and transmitting the first carrier in the second period; the first carrier is received during a first period of time and the second carrier is received during a second period of time.

The radio frequency circuit control method of the embodiment of the disclosure realizes the full duplex function similar to frequency division duplex (Frequency Division Duplexing, FDD) by switching in real time according to the matching information of the complementation of uplink and downlink time slots of the time division duplex (Time Division Duplexing, TDD) dual carrier, and improves the TDD throughput rate and reliability. Meanwhile, by the method of the embodiment of the disclosure, quick data transmission and quick hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) feedback can be realized, waiting is reduced, TDD time delay is greatly reduced, different service requirements (large uplink and large downlink service) of a TDD 200M NR air interface in a 2C-oriented and business 2B-oriented scene can be met, and spectrum efficiency and user experience are improved. Meanwhile, the method of the embodiment of the disclosure can also save the power consumption, the volume and the cost of the radio frequency circuit, and has important application value and wide use scenes.

In some embodiments of the present disclosure, step S520 may further include a method 600 of controlling the radio frequency circuit to switch transmitting dual carriers according to a slot ratio, for example, as shown in fig. 6, and the method 600 may include the following steps.

In step S610, in a first period, downlink data of a first carrier and uplink data of a second carrier are received from a first transmitting end and a second transmitting end of a second carrier of a transceiver.

The downlink data of the first carrier and the uplink data of the second carrier may include: HARQ feedback information of downlink data of a first carrier and uplink data of a second carrier.

In step S620, the downlink data of the first carrier and the uplink data of the second carrier are input to the first power amplifier and the second power amplifier by switching the first radio frequency switch and the second radio frequency switch of the first group of transmit carrier switching switches.

In step S630, the first rf switch and the second rf switch of the second set of transmit carrier switches are switched, so that the downlink data of the first carrier and the uplink data of the second carrier output by the first power amplifier and the second power amplifier are input to the first transmit band-pass filter and the second transmit band-pass filter of the second carrier, the uplink data of the second carrier is reserved, and the downlink data of the first carrier and other interference signals are filtered.

In step S640, uplink data of the second carrier output from the first transmission band-pass filter and the second transmission band-pass filter of the second carrier is transmitted to the first transmission antenna and the second transmission antenna by switching the first radio frequency switch and the second radio frequency switch in the common carrier switch.

In step S650, in a second period, uplink data of the first carrier and downlink data of the second carrier are received from the first transmitting end and the second transmitting end of the first carrier of the transceiver.

The uplink data of the first carrier and the downlink data of the second carrier may include: HARQ feedback information of uplink data of a first carrier and downlink data of a second carrier.

In step S660, the uplink data of the first carrier and the downlink data of the second carrier are input to the first power amplifier and the second power amplifier by switching the first radio frequency switch and the second radio frequency switch of the first set of transmit carrier switching switches.

In step S670, by switching the first radio frequency switch and the second radio frequency switch of the second group of transmit carrier switching switches, uplink data of the first carrier and downlink data of the second carrier output by the first power amplifier and the second power amplifier are input to the first transmit band-pass filter and the second transmit band-pass filter of the first carrier, the uplink data of the first carrier is reserved, and downlink data of the second carrier and other interference signals are filtered.

In step S680, uplink data of the first carrier output from the first transmission band-pass filter and the second transmission band-pass filter of the first carrier is transmitted to the first transmitting antenna and the second transmitting antenna by switching the first radio frequency switch and the second radio frequency switch in the transmitting-receiving common carrier switching switch.

Specifically, taking fig. 3 as an example, as shown in fig. 3, a method for controlling a transmitting front-end link 302 in a radio frequency circuit to switch and transmit dual carriers according to a timeslot ratio by using a carrier switching control signal cc_sw_cl sent from a carrier switching control module includes: in a first period, downlink data of a first carrier and uplink data of a second carrier are received from a first transmitting end CC2_T1 and a second transmitting end CC2_T2 of a second carrier of the transceiver. By switching the first radio frequency switch sw_t11 and the second radio frequency switch sw_t12 of the first group transmission carrier switching switch, the downstream data of the first carrier and the upstream data of the second carrier are input to the first power amplifier PA1 and the second power amplifier PA2. By switching the first radio frequency switch sw_t12 and the second radio frequency switch sw_t22 of the second group of transmit carrier switching switches, the downlink data of the first carrier and the uplink data of the second carrier output by the first power amplifier PA1 and the second power amplifier PA2 are input to the first transmit band-pass filter cc2_t1_ft and the second transmit band-pass filter cc2_t2_ft of the second carrier, the uplink data of the second carrier is reserved, and the downlink data and other interference signals of the first carrier are filtered. Uplink data of the second carrier outputted from the first transmission band pass filter cc2_t1_ft and the second transmission band pass filter cc2_t2_ft of the second carrier is transmitted to the first transmission antenna TX1/RX1 and the second transmission antenna TX2/RX2 by switching the first radio frequency switch sw_t13 and the second radio frequency switch sw_t23 in the transmission/reception common carrier switching switch. In the second period, uplink data of the first carrier and downlink data of the second carrier are received from the first transmitting end CC1_ T1 and the second transmitting end CC1_ T2 of the first carrier of the transceiver. By switching the first radio frequency switch sw_t11 and the second radio frequency switch sw_t12 of the first group transmission carrier switching switch, uplink data of the first carrier and downlink data of the second carrier are input to the first power amplifier PA1 and the second power amplifier PA2. By switching the first radio frequency switch sw_t12 and the second radio frequency switch sw_t22 of the second group of transmit carrier switching switches, the uplink data of the first carrier and the downlink data of the second carrier, which are output by the first power amplifier PA1 and the second power amplifier PA2, are input to the first transmit band-pass filter cc1_t1_ft and the second transmit band-pass filter cc1_t2_ft of the first carrier, the uplink data of the first carrier is retained, and the downlink data of the second carrier and other interference signals are filtered. Uplink data of the first carrier outputted from the first transmission band pass filter cc1_t1_ft and the second transmission band pass filter cc1_t2_ft of the first carrier is transmitted to the first transmission antenna TX1/RX1 and the second transmission antenna TX2/RX2 by switching the first radio frequency switch sw_t13 and the second radio frequency switch sw_t23 in the transmission/reception common carrier switching switch.

In some embodiments of the present disclosure, step S520 may further include a method 700 of controlling the radio frequency circuit to switch the reception dual carrier according to a slot ratio, for example, as shown in fig. 7, and the method 700 may include the following steps.

In step S710, in a first period, downlink data of a first carrier and uplink data of a second carrier are received from a first transmitting/receiving antenna and a second transmitting/receiving antenna, respectively.

In step S720, the first rf switch and the second rf switch of the transmit-receive common carrier switch are switched, so that the downlink data of the first carrier and the uplink data of the second carrier are input to the first receiving band-pass filter and the second receiving band-pass filter of the first carrier, and between the downlink data of the first carrier and the uplink data of the second carrier, the downlink data of the first carrier is reserved and the uplink data of the second carrier and other interference signals are filtered.

In step S730, the first carrier downlink data output from the first receiving band-pass filter and the second receiving band-pass filter of the first carrier is input to the first low noise amplifier and the second low noise amplifier by switching the first radio frequency switch and the second radio frequency switch of the first receiving carrier switching switch.

In step S740, the downlink data of the first carrier output by the first low noise amplifier and the second low noise amplifier is input to the first receiving end and the second receiving end of the first carrier of the transceiver by switching the first radio frequency switch and the second radio frequency switch of the second group of the received carrier switching switches.

In step S750, in the second period, uplink data of the first carrier and downlink data of the second carrier are received from the first transceiving antenna and the second transceiving antenna, respectively.

In step S760, the first rf switch and the second rf switch of the transmit-receive common carrier switch are switched, uplink data of the first carrier and downlink data of the second carrier are input to the first receiving band-pass filter and the second receiving band-pass filter of the second carrier, downlink data of the second carrier is reserved between the uplink data of the first carrier and the downlink data of the second carrier, and uplink data of the first carrier and other interference signals are filtered out.

In step S770, the downlink data of the second carrier output from the first receiving band-pass filter and the second receiving band-pass filter of the second carrier is input to the first low noise amplifier and the second low noise amplifier by switching the first radio frequency switch and the second radio frequency switch of the first receiving carrier switching switch.

In step S780, the downlink data of the second carrier output from the first low noise amplifier and the second low noise amplifier is input to the first receiving end and the second receiving end of the second carrier of the transceiver by switching the first radio frequency switch and the second radio frequency switch of the second group of the received carrier switching switches.

Specifically, taking fig. 3 as an example, as shown in fig. 3, a method for controlling a first receiving front-end link 304 in a radio frequency circuit to switch and receive dual carriers according to a timeslot ratio by using a carrier switch control signal cc_sw_cl sent from a carrier switch control module includes: in a first period, respectively receiving downlink data of a first carrier and uplink data of a second carrier from a first receiving and transmitting antenna TX1/RX1 and a second receiving and transmitting antenna TX2/RX 2; the downlink data of the first carrier and the uplink data of the second carrier are input to a first receiving band-pass filter CC1_R1_FT and a second receiving band-pass filter CC1_R2_FT of the first carrier by switching a first radio frequency switch SW_T13 and a second radio frequency switch SW_T23 of a transmitting and receiving common carrier switch and a transmitting and receiving common point TR1_CP21/TR2_CP21, and the downlink data of the first carrier and the uplink data of the second carrier and other interference signals are reserved between the downlink data of the first carrier and the uplink data of the second carrier; by switching the first radio frequency switch sw_r12 and the second radio frequency switch sw_r22 of the first group reception carrier switching switch, the downlink data of the first carrier outputted by the first reception band-pass filter cc1_r1_ft and the second reception band-pass filter cc1_r2_ft of the first carrier is inputted to the first low noise amplifier LNA1 and the second low noise amplifier LNA2; by switching the first radio frequency switch sw_r11 and the second radio frequency switch sw_r21 of the second group of reception carrier switching switches, the downlink data of the first carrier outputted by the first low noise amplifier LNA1 and the second low noise amplifier LNA2 is inputted to the first receiving terminal cc1_r1 and the second receiving terminal cc1_r2 of the first carrier of the transceiver. In a second period, respectively receiving uplink data of a first carrier and downlink data of a second carrier from a first receiving and transmitting antenna TX1/RX1 and a second receiving and transmitting antenna TX2/RX 2; the uplink data of the first carrier and the downlink data of the second carrier are input to a first receiving band-pass filter CC2_R1_FT and a second receiving band-pass filter CC2_R2_FT of the second carrier by switching a first radio frequency switch SW_T13 and a second radio frequency switch SW_T23 of a transmitting and receiving common carrier switch and a transmitting and receiving common point TR1_CP12/TR2_CP12, downlink data of the second carrier is reserved between the uplink data of the first carrier and the downlink data of the second carrier, and uplink data of the first carrier and other interference signals are filtered; by switching the first radio frequency switch sw_r12 and the second radio frequency switch sw_r22 of the first group of reception carrier switching switches, downlink data of the second carrier outputted by the first reception band-pass filter cc2_r1_ft and the second reception band-pass filter cc2_r2_ft of the second carrier is inputted to the first low noise amplifier LNA1 and the second low noise amplifier LNA2; downlink data of the second carrier outputted from the first low noise amplifier LNA1 and the second low noise amplifier LNA2 is inputted to the first receiving end cc2_r1 and the second receiving end cc2_r2 of the second carrier of the transceiver by switching the first radio frequency switch sw_r11 and the second radio frequency switch sw_r21 of the second group of reception carrier switching switches.

In some embodiments of the present disclosure, step S520 may further include a method 800 for controlling the radio frequency circuit to switch receiving dual carriers according to a time slot ratio, for example, as shown in fig. 8, and the method 800 may include the following steps.

In step S810, in a first period, downlink data of a first carrier and uplink data of the second carrier are received from a third receiving antenna and a fourth receiving antenna.

The downlink data of the first carrier and the uplink data of the second carrier may include: and HARQ feedback information of the downlink data of the first carrier and the uplink data of the second carrier.

In step S820, the downlink data of the first carrier and the uplink data of the second carrier are input to the third receiving band-pass filter and the fourth receiving band-pass filter of the first carrier by receiving the first radio frequency switch and the second radio frequency switch in the dedicated carrier switch, so as to retain the downlink data of the first carrier and filter out the uplink data of the second carrier and other interference signals.

In step S830, the first carrier downlink data output from the third and fourth receiving bandpass filters of the first carrier is input to the third and fourth low noise amplifiers by switching the first and second rf switches of the third receiving carrier switching switch.

In step S840, the downlink data of the first carrier output by the third low noise amplifier and the fourth low noise amplifier is input to the third receiving end and the fourth receiving end of the first carrier of the transceiver by switching the first radio frequency switch and the second radio frequency switch of the fourth group of receiving carrier switching switches.

In step S850, in the second period, uplink data of the first carrier and downlink data of the second carrier are received from the third and fourth receiving antennas.

In step S860, the uplink data of the first carrier and the downlink data of the second carrier are input to the third receiving band-pass filter and the fourth receiving band-pass filter of the second carrier by switching the first rf switch and the second rf switch in the dedicated carrier switch, the downlink data of the second carrier is reserved, and the uplink data of the first carrier and other interference signals are filtered.

In step S870, the downlink data of the second carrier output from the third receiving band-pass filter and the fourth receiving band-pass filter of the second carrier is input to the third low noise amplifier and the fourth low noise amplifier by switching the first radio frequency switch and the second radio frequency switch of the third receiving carrier switching switch.

In step S880, the downlink data of the second carrier output from the third low noise amplifier and the fourth low noise amplifier is input to the third receiving end and the fourth receiving end of the second carrier of the transceiver by switching the first radio frequency switch and the second radio frequency switch of the fourth group of receiving carrier switching switches.

Specifically, taking fig. 3 as an example, as shown in fig. 3, a method for controlling a second receiving front-end link 306 in a radio frequency circuit to switch and receive dual carriers according to a timeslot ratio by using a carrier switch control signal cc_sw_cl sent from a carrier switch control module includes: in a first period, receiving downlink data of a first carrier and uplink data of a second carrier from a third receiving antenna RX3 and a fourth receiving antenna RX 4; the method comprises the steps that through a first radio frequency switch SW_R33 and a second radio frequency switch SW_R43 in a special carrier switching switch, downlink data of a first carrier and uplink data of a second carrier are input to a third receiving band-pass filter CC1_R3_FT and a fourth receiving band-pass filter CC1_R4_FT of the first carrier, the downlink data of the first carrier is reserved, and uplink data of the second carrier and other interference signals are filtered; by switching the first radio frequency switch sw_r32 and the second radio frequency switch sw_r42 of the third group reception carrier switching switch, the downlink data of the first carrier outputted by the third reception band pass filter cc1_r3_ft and the fourth reception band pass filter cc1_r4_ft of the first carrier is inputted to the third low noise amplifier LNA3 and the fourth low noise amplifier LNA4; and inputting downlink data of the first carrier outputted from the third low noise amplifier LNA3 and the fourth low noise amplifier LNA4 to the third receiving end cc1_r3 and the fourth receiving end cc1_r4 of the first carrier of the transceiver by switching the first radio frequency switch sw_r31 and the second radio frequency switch sw_r41 of the fourth group of receiving carrier switching switches. In the second period, uplink data of the first carrier and downlink data of the second carrier are received from the third receiving antenna RX3 and the fourth receiving antenna RX 4; the method comprises the steps of inputting uplink data of a first carrier and downlink data of a second carrier into a third receiving band-pass filter CC2_R3_FT and a fourth receiving band-pass filter CC2_R4_FT of the second carrier by switching a first radio frequency switch SW_R33 and a second radio frequency switch SW_R43 in a special carrier receiving switch, reserving the downlink data of the second carrier and filtering the uplink data of the first carrier and other interference signals; by switching the first radio frequency switch sw_r32 and the second radio frequency switch sw_r42 of the third group reception carrier switching switch, the downlink data of the second carrier outputted by the third reception band pass filter cc2_r3_ft and the fourth reception band pass filter cc2_r4_ft of the second carrier is inputted to the third low noise amplifier LNA3 and the fourth low noise amplifier LNA4; and inputting downlink data of the second carrier outputted from the third low noise amplifier LNA3 and the fourth low noise amplifier LNA4 to the third receiving end cc2_r3 and the fourth receiving end cc2_r4 of the second carrier of the transceiver by switching the first radio frequency switch sw_r31 and the second radio frequency switch sw_r41 of the fourth group of receiving carrier switching switches.

The embodiment of the present disclosure further provides a terminal, specifically may be a structure as shown in fig. 4, and the terminal 400 may include: a dual carrier time domain complementary radio frequency circuit 410 supporting time division duplex and a baseband processor 420, wherein the baseband processor 420 is configured to output time slot matching information to a carrier switching control module.

The baseband processor (Baseband Processor, BB) is responsible for the baseband processing part of the terminal, including the processing of protocols and algorithms, and the like, and increases the output of time slot proportioning information and outputs the information to the newly added carrier switching control module.

The Transceiver (TRANSCEIVER) is used for receiving the transmitted digital signal from the baseband processing unit, and outputting a transmitted analog signal to the radio frequency front-end link through up-conversion, digital-to-analog conversion and other processes; and receiving a received analog signal from a terminal radio frequency front end link, performing down-conversion, analog-to-digital conversion and the like, and outputting a received digital signal to a baseband processor of the terminal.

The terminal of the embodiment of the disclosure is particularly suitable for 5G/5 G+TDD NR dual carrier (200M) networking, and achieves the FDD full duplex scene by utilizing TDD dual carrier time domain complementation, so that the TDD time delay is greatly reduced, the access network resource utilization rate is improved, and the spectrum efficiency and the user experience are improved.

In some embodiments of the present disclosure, the radio frequency circuit 410 of the terminal 400 may include: a first transceiver antenna 410b and a second transceiver antenna 410c for transmitting and receiving the first carrier wave and the second carrier wave; a third receiving antenna 410d and a fourth receiving antenna 410e for receiving the first carrier and the second carrier; a transceiver 410a connected to the first transceiver antenna 410b and the second transceiver antenna 410c and the third receiving antenna 410d and the fourth receiving antenna 410e through a radio frequency front end link, for implementing transmission and reception of the first carrier and the second carrier; and a carrier switching control module 410f, configured to obtain the timeslot proportioning information, and output a carrier control signal to the radio frequency front end link according to the timeslot proportioning information, so as to implement transmission and reception of the first carrier and the second carrier to switch according to the timeslot proportioning.

In some embodiments of the present disclosure, the radio frequency front end link of the terminal 400 may further include: a transmit front-end link and a receive front-end link, wherein the receive front-end link comprises: the first receive front-end link and the second receive front-end link are connected to the first transmit antenna 410b and the second transmit antenna 410c through the transmit-receive common carrier switch sw_t13, respectively.

In some embodiments of the present disclosure, the transmit front-end link comprises: the first transmitting end CC1_T1 and the second transmitting end CC1_T2 of the first carrier of the transceiver, and the first transmitting end CC2_T1 and the second transmitting end CC2_T2 of the second carrier are respectively connected to the input ends of the first power amplifier PA1 and the second power amplifier PA2 in a switching way through a first radio frequency switch SW_T11 and a second radio frequency switch SW_T21 of a first group of transmitting carrier switching switches; the output terminals of the first and second power amplifiers PA1 and PA2 are connected to the first and second transmit bandpass filters cc1_t1_ft and cc1_t2_ft of the first carrier, respectively, through the first and second radio frequency switches sw_t12 and sw_t22 of the second set of transmit carrier switches, respectively, and the input terminals of the first and second transmit bandpass filters cc2_t1_ft and cc2_t2_ft of the second carrier, respectively, such that the output terminals of the first and second transmit bandpass filters cc1_t1_ft and cc1_t2_ft of the first carrier, and the first and second transmit bandpass filters cc2_t1_ft and cc2_t2_ft of the second carrier are connected to the first and second transmit antennas TX1/RX1 (410 b) and RX 2/c 2 (410 b), respectively, through the first and second radio frequency switches sw_t13 and sw2_t23 in the transmit common carrier switches.

In some embodiments of the present disclosure, the first receive front-end link comprises: the first transceiving antenna TX1/RX1 (410 b) and the second transceiving antenna TX2/RX2 (410 c) are connected to the first receiving bandpass filter cc1_r1_ft and the second receiving bandpass filter cc1_r2_ft of the first carrier, the first receiving bandpass filter cc2_r1_ft and the second receiving bandpass filter cc2_r2_ft of the second carrier, the input terminal of the first receiving bandpass filter cc2_r1_ft and the second receiving bandpass filter cc2_r2_ft of the second carrier, respectively, through the first radio frequency switch sw_t13 and the second radio frequency switch sw_t23 of the transceiving common carrier switching switch and the transceiving common points tr1_cp21/tr2_cp21, tr1_cp12/tr2_cp 12; the output ends of the first receiving band-pass filter CC1_R1_FT and the second receiving band-pass filter CC1_R2_FT of the first carrier and the first receiving band-pass filter CC2_R1_FT and the second receiving band-pass filter CC2_R2_FT of the second carrier are respectively connected to the input ends of the first low noise amplifier LNA1 and the second low noise amplifier LNA2 through a first radio frequency switch SW_R12 and a second radio frequency switch SW_R22 of a first group of receiving carrier switching switches; and the output ends of the first low noise amplifier LNA1 and the second noise amplifier LNA2 are connected to the first receiving end CC1_R1 and the second receiving end CC1_R2 of the first carrier, the first receiving end CC2_R1 and the second receiving end CC2_R2 of the second carrier of the transceiver through the first radio frequency switch SW_R11 and the second radio frequency switch SW_R21 of the second group of receiving carrier switching switches respectively.

In some embodiments of the present disclosure, the second receive front-end link comprises: the third receiving antenna RX3 and the fourth receiving antenna RX4 are respectively connected to the third receiving band-pass filter cc1_r3_ft and the fourth receiving band-pass filter cc1_r4_ft of the first carrier, the third receiving band-pass filter cc2_r3_ft and the fourth receiving band-pass filter cc2_r4_ft of the second carrier through a first radio frequency switch sw_r33 and a second radio frequency switch sw_r43 in the receiving dedicated carrier switching switch, respectively; the output ends of the third receiving band-pass filter CC1_R3_FT and the fourth receiving band-pass filter CC1_R4_FT of the first carrier, and the third receiving band-pass filter CC2_R3_FT and the fourth receiving band-pass filter CC2_R4_FT of the second carrier are respectively connected to the input ends of the third low noise amplifier LNA3 and the fourth low noise amplifier LNA4 through a first radio frequency switch SW_R32 and a second radio frequency switch SW_R42 of a third group of receiving carrier switching switches; and the output terminals of the third low noise amplifier LNA3 and the fourth low noise amplifier LNA4 are connected to the third receiving terminal CC 1R 3 and the fourth receiving terminal CC 1R 4 of the first carrier, the third receiving terminal CC 2R 3 and the fourth receiving terminal CC 2R 4 of the second carrier, respectively, through the first radio frequency switch sw_r31 and the second radio frequency switch sw_r41 of the fourth group of receiving carrier switching switches.

In some embodiments of the present disclosure, the carrier switch control module is further configured to connect a first set of transmit carrier switch sw_t11/sw_t21, a second set of transmit carrier switch sw_t12/sw_t22, a set of transmit-receive common carrier switch sw_t13/sw_t23, a first set of receive carrier switch sw_r12/sw_r22, a second set of receive dedicated carrier switch sw_r11/sw_r21, a set of receive dedicated carrier switch sw_r33/sw_r43, a third set of receive carrier switch sw_r32/sw_r42, and a fourth set of receive carrier switch to sw_r31/sw_r41 in the radio frequency front-end link, and output carrier control signals cc_sw_cl, respectively, so as to implement the switching of the transmission and reception of the first carrier and the second carrier according to the timeslot ratio.

The embodiment of the present disclosure further provides a carrier switching control device for controlling a radio frequency circuit supporting dual carrier time domain complementation of time division duplex, as shown in fig. 9, the device 900 includes: an information obtaining module 910, configured to obtain timeslot proportioning information; the circuit switching module 920 is configured to output a carrier control signal to a radio frequency front end link of the radio frequency circuit according to the timeslot proportioning information, and control the transceiver, the first and second transceiver antennas, and the third and fourth receiving antennas to switch the first carrier and the second carrier transmitted and received according to the timeslot proportioning.

In some embodiments of the present disclosure, the circuit switching module 920 further includes a transmit front-end link switching module for receiving, during a first period of time, downlink data of a first carrier and uplink data of a second carrier from a first transmitting end and a second transmitting end of the second carrier of the transceiver; the method comprises the steps of inputting downlink data of a first carrier and uplink data of a second carrier to a first power amplifier and a second power amplifier by switching a first radio frequency switch and a second radio frequency switch of a first group of transmitting carrier switching switches; the method comprises the steps of inputting downlink data of a first carrier and uplink data of a second carrier output by a first power amplifier and a second power amplifier to a first transmission band-pass filter and a second transmission band-pass filter of the second carrier by switching a first radio frequency switch and a second radio frequency switch of a second group of transmission carrier switching switches, reserving the uplink data of the second carrier and filtering the downlink data of the first carrier and other interference signals; the uplink data of the second carrier wave output by the first transmitting band-pass filter and the second transmitting band-pass filter of the second carrier wave are sent to a first transmitting antenna and a second transmitting antenna by switching a first radio frequency switch and a second radio frequency switch in a transmitting-receiving common carrier wave switching switch; in a second period, uplink data of a first carrier and downlink data of a second carrier are received from a first transmitting end and a second transmitting end of a second carrier of the transceiver; the method comprises the steps of inputting uplink data of a first carrier and downlink data of a second carrier to a first power amplifier and a second power amplifier by switching a first radio frequency switch and a second radio frequency switch of a first group of transmitting carrier switching switches; the method comprises the steps of inputting uplink data of a first carrier and downlink data of a second carrier output by a first power amplifier and a second power amplifier to a first transmitting band-pass filter and a second transmitting band-pass filter of the first carrier through switching a first radio frequency switch and a second radio frequency switch of a second group of transmitting carrier switching switches, reserving the uplink data of the first carrier and filtering the downlink data of the second carrier and other interference signals; and uplink data of the first carrier wave output by the first transmitting band-pass filter and the second transmitting band-pass filter of the first carrier wave are sent to the first transmitting antenna and the second transmitting antenna by switching the first radio frequency switch and the second radio frequency switch in the transmitting and receiving common carrier wave switching switch.

In some embodiments of the present disclosure, the circuit switching module 920 further includes a first receive front-end link switching module configured to receive, during a first period of time, downlink data of a first carrier and uplink data of a second carrier from a first transceiver antenna and a second transceiver antenna, respectively; the method comprises the steps of inputting downlink data of a first carrier and uplink data of a second carrier into a first receiving band-pass filter and a second receiving band-pass filter of the first carrier by switching a first radio frequency switch and a second radio frequency switch of a common carrier switching switch, reserving the downlink data of the first carrier and filtering the uplink data of the second carrier and other interference signals between the downlink data of the first carrier and the uplink data of the second carrier; the method comprises the steps of inputting downlink data of a first carrier wave output by a first receiving band-pass filter and a second receiving band-pass filter of the first carrier wave to a first low-noise amplifier and a second low-noise amplifier by switching a first radio frequency switch and a second radio frequency switch of a first group of receiving carrier wave switching switches; the method comprises the steps of inputting downlink data of a first carrier wave output by a first low-noise amplifier and a second low-noise amplifier to a first receiving end and a second receiving end of the first carrier wave of a transceiver by switching a first radio frequency switch and a second radio frequency switch of a second group of received carrier wave switching switches; in a second period, respectively receiving uplink data of a first carrier and downlink data of a second carrier from a first transceiver antenna and a second transceiver antenna; the method comprises the steps of inputting uplink data of a first carrier and downlink data of a second carrier to a first receiving band-pass filter and a second receiving band-pass filter of the second carrier by switching a first radio frequency switch and a second radio frequency switch of a common carrier switching switch, reserving downlink data of the second carrier between the uplink data of the first carrier and the downlink data of the second carrier, and filtering out the uplink data of the first carrier and other interference signals; the method comprises the steps of inputting downlink data of a first receiving band-pass filter of a second carrier and a second carrier output by the second receiving band-pass filter to a first low-noise amplifier and a second low-noise amplifier by switching a first radio frequency switch and a second radio frequency switch of a first group of receiving carrier switching switches; and the downlink data of the second carrier wave output by the first low noise amplifier and the second low noise amplifier are input to the first receiving end and the second receiving end of the second carrier wave of the transceiver by switching the first radio frequency switch and the second radio frequency switch of the second group of receiving carrier wave switching switches.

In some embodiments of the present disclosure, the circuit switching module 920 further includes a second receive front-end link switching module configured to receive, during a first period of time, downlink data of a first carrier and uplink data of a second carrier from the first transceiver antenna and the second transceiver antenna; the method comprises the steps of inputting downlink data of a first carrier and uplink data of a second carrier to a third receiving band-pass filter and a fourth receiving band-pass filter of the first carrier through a first radio frequency switch and a second radio frequency switch in a special carrier switching switch, reserving the downlink data of the first carrier and filtering the uplink data of the second carrier and other interference signals; the method comprises the steps of inputting downlink data of a first carrier wave output by a third receiving band-pass filter and a fourth receiving band-pass filter of the first carrier wave to a third low-noise amplifier and a fourth low-noise amplifier by switching a first radio frequency switch and a second radio frequency switch of a third receiving carrier wave switching switch; the first radio frequency switch and the second radio frequency switch of the fourth group of receiving carrier switching switches are switched, and downlink data of the first carrier output by the third low noise amplifier and the fourth low noise amplifier are input to a third receiving end and a fourth receiving end of the first carrier of the transceiver; in a second period, receiving uplink data of a first carrier and downlink data of a second carrier from the first transceiver antenna and the second transceiver antenna; the method comprises the steps of inputting uplink data of a first carrier and downlink data of a second carrier to a third receiving band-pass filter and a fourth receiving band-pass filter of the second carrier by switching a first radio frequency switch and a second radio frequency switch in a special carrier switching switch, reserving the downlink data of the second carrier and filtering the uplink data of the first carrier and other interference signals; the method comprises the steps of inputting downlink data of a second carrier wave output by a third receiving band-pass filter and a fourth receiving band-pass filter of a second carrier wave to a third low-noise amplifier and a fourth low-noise amplifier by switching a first radio frequency switch and a second radio frequency switch of a third receiving carrier wave switching switch; and the downlink data of the second carrier wave output by the third low noise amplifier and the fourth low noise amplifier are input to the third receiving end and the fourth receiving end of the second carrier wave of the transceiver by switching the first radio frequency switch and the second radio frequency switch of the fourth group of receiving carrier wave switching switches.

With respect to the carrier switching control device 900 for controlling the dual carrier time domain complementary radio frequency circuit supporting time division duplex in the above embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be described in detail here.

Those skilled in the art will appreciate that the various aspects of the present disclosure may be implemented as a system, method, or program product. Accordingly, various aspects of the disclosure may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.

An electronic device 1000 according to such an embodiment of the present disclosure is described below with reference to fig. 10. The electronic device 1000 shown in fig. 10 is merely an example and should not be construed as limiting the functionality and scope of use of the disclosed embodiments.

As shown in fig. 10, the electronic device 1000 is embodied in the form of a general purpose computing device. Components of electronic device 1000 may include, but are not limited to: the at least one processing unit 1010, the at least one memory unit 1020, and a bus 1030 that connects the various system components, including the memory unit 1020 and the processing unit 1010.

Wherein the storage unit stores program code that is executable by the processing unit 1010 such that the processing unit 1010 performs steps according to various exemplary embodiments of the present disclosure described in the above section of the present specification. For example, the processing unit 1010 may perform step S510 shown in fig. 5 to acquire slot allocation information; step S520, outputting carrier control signals to the radio frequency front end link of the radio frequency circuit according to the time slot proportioning information, and realizing that the transceiver of the radio frequency circuit, the first carrier and the second carrier which are transmitted and received by the first transceiver antenna, the second transceiver antenna and the third receiving antenna and the fourth receiving antenna are switched according to the time slot proportioning.

The memory unit 1020 may include readable media in the form of volatile memory units such as Random Access Memory (RAM) 1021 and/or cache memory unit 1022, and may further include Read Only Memory (ROM) 1023.

Storage unit 1020 may also include a program/utility 1024 having a set (at least one) of program modules 1025, such program modules 1025 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.

Bus 1030 may be representing one or more of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.

The electronic device 1000 can also communicate with one or more external devices 1100 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 1000, and/or with any device (e.g., router, modem, etc.) that enables the electronic device 1000 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 1050. Also, electronic device 1000 can communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through network adapter 1060. As shown, the network adapter 1060 communicates with other modules of the electronic device 1000 over the bus 1030. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with the electronic device 1000, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.

In an exemplary embodiment of the present disclosure, a computer-readable storage medium having stored thereon a program product capable of implementing the method described above in the present specification is also provided. In some possible implementations, various aspects of the disclosure may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps according to the various exemplary embodiments of the disclosure as described in the "exemplary methods" section of this specification, when the program product is run on the terminal device.

A program product for implementing the above-described method according to an embodiment of the present disclosure may employ a portable compact disc read-only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present disclosure is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, server, terminal, or device.

The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, server, terminal, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

The computer readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, server, terminal, or device.

Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

Program code for carrying out operations of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected via the Internet using an Internet service provider).

According to one aspect of the present disclosure, there is provided a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device performs the methods provided in the various alternative implementations of the above-described embodiments.

It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit in accordance with embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.

Furthermore, although the steps of the methods in the present disclosure are depicted in a particular order in the drawings, this does not require or imply that the steps must be performed in that particular order or that all illustrated steps be performed in order to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform, etc.

From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, including several instructions to cause a computing device (may be a personal computer, a server, a mobile terminal, or a network device, etc.) to perform the method according to the embodiments of the present disclosure.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims

1. A dual carrier time domain complementary radio frequency circuit supporting time division duplexing, the radio frequency circuit comprising:

the first and second receiving and transmitting antennas are used for transmitting and receiving the first carrier wave and the second carrier wave;

third and fourth receiving antennas for receiving the first carrier and the second carrier;

a transceiver for connecting to the first and second transceiver antennas and the third and fourth receiving antennas through a radio frequency front end link for enabling transmission and reception of the first carrier and the second carrier; and

and the carrier switching control module is used for acquiring the time slot proportioning information, outputting a carrier control signal to the radio frequency front-end link according to the time slot proportioning information, and realizing the switching of the transmission and the reception of the first carrier and the second carrier according to the time slot proportioning.

2. The dual carrier time domain complementary radio frequency circuit supporting time division duplexing according to claim 1, wherein the radio frequency front-end link comprises a transmit front-end link and a receive front-end link, wherein the receive front-end link comprises: a first receive front-end link and a second receive front-end link, and the first receive front-end link and the transmit front-end link are connected to the first and second transmit antennas, respectively, through a transmit-receive common carrier switch.

3. The dual carrier time domain complementary radio frequency circuit supporting time division duplexing according to claim 2, wherein the transmit front-end link comprises:

the first transmitting end and the second transmitting end of the first carrier wave of the transceiver, the first transmitting end and the second transmitting end of the second carrier wave are respectively connected to the input ends of the first power amplifier and the second power amplifier through the first radio frequency switch and the second radio frequency switch of the first group of transmitting carrier wave switching switches;

the output ends of the first power amplifier and the second power amplifier are respectively connected to the input ends of the first transmitting band-pass filter and the second transmitting band-pass filter of the first carrier and the first transmitting band-pass filter of the second carrier through the first radio frequency switch and the second radio frequency switch of the second group transmitting carrier switching switch, so that the output ends of the first transmitting band-pass filter and the second transmitting band-pass filter of the first carrier and the first transmitting band-pass filter of the second carrier and the second transmitting band-pass filter of the second carrier are respectively connected to the first transmitting antenna and the second transmitting antenna through the first radio frequency switch and the second radio frequency switch in the transmitting-receiving common carrier switching switch.

4. The dual carrier time domain complementary radio frequency circuit supporting time division duplexing according to claim 3, wherein said first receive front-end link comprises:

the first and the second receiving and transmitting antennas are respectively connected to the first receiving band-pass filter and the second receiving band-pass filter of the first carrier and the input ends of the first receiving band-pass filter and the second receiving band-pass filter of the second carrier through the first radio frequency switch and the second radio frequency switch of the receiving and transmitting common carrier switch;

the output ends of the first receiving band-pass filter and the second receiving band-pass filter of the first carrier wave and the first receiving band-pass filter and the second receiving band-pass filter of the second carrier wave are connected to the input ends of the first low noise amplifier and the second low noise amplifier through a first radio frequency switch and a second radio frequency switch of a first group of receiving carrier wave change-over switches respectively; and

the output ends of the first low noise amplifier and the second noise amplifier are respectively connected to the first receiving end and the second receiving end of the first carrier wave of the transceiver and the first receiving end and the second receiving end of the second carrier wave through the first radio frequency switch and the second radio frequency switch of the second group of receiving carrier wave change-over switches.

5. The dual carrier time domain complementary radio frequency circuit supporting time division duplexing according to claim 4, wherein said second receive front-end link comprises:

the third receiving antenna and the fourth receiving antenna are respectively connected to the input ends of the third receiving band-pass filter and the fourth receiving band-pass filter of the first carrier and the third receiving band-pass filter and the fourth receiving band-pass filter of the second carrier through a first radio frequency switch and a second radio frequency switch in a special receiving carrier switching switch;

the output ends of the third receiving band-pass filter and the fourth receiving band-pass filter of the first carrier wave, the third receiving band-pass filter of the second carrier wave and the fourth receiving band-pass filter are respectively connected to the input ends of the third low noise amplifier and the fourth low noise amplifier through a first radio frequency switch and a second radio frequency switch of a third receiving carrier wave change-over switch; and

the output ends of the third low noise amplifier and the fourth low noise amplifier are respectively connected to the third receiving end and the fourth receiving end of the first carrier, the third receiving end and the fourth receiving end of the second carrier of the transceiver through the first radio frequency switch and the second radio frequency switch of the fourth group of receiving carrier switching switches.

6. The dual carrier time domain complementary radio frequency circuit supporting time division duplex according to claim 5, wherein said carrier switching control module is further configured to connect with a first set of transmit carrier switches, a second set of transmit carrier switches, a set of transmit-receive common carrier switches, a first set of receive carrier switches, a second set of receive carrier switches, a set of receive dedicated carrier switches, a third set of receive carrier switches, a fourth set of receive carrier switches in said radio frequency front-end link, and output carrier control signals respectively, so as to implement switching between transmission and reception of said first carrier and said second carrier according to a timeslot ratio.

7. A method for controlling a radio frequency circuit supporting time division duplex with dual carrier time domain complementation, the method comprising:

acquiring time slot proportioning information;

and outputting a carrier control signal to a radio frequency front end link of the radio frequency circuit according to the time slot proportioning information, so that a transceiver of the radio frequency circuit, a first carrier and a second carrier which are transmitted and received by a first receiving antenna, a second receiving antenna and a third receiving antenna are switched according to the time slot proportioning.

8. The method according to claim 7, wherein the step of outputting a carrier control signal to the radio frequency front end link of the radio frequency circuit according to the time slot ratio information, and controlling the first carrier and the second carrier transmitted and received by the transceiver, the first and the second transceiver antennas, and the third and the fourth receiving antennas to be switched according to the time slot ratio comprises:

in a first period, downlink data of a first carrier and uplink data of a second carrier are received from a first transmitting end and a second transmitting end of the second carrier of the transceiver;

the method comprises the steps of inputting downlink data of a first carrier and uplink data of a second carrier to a first power amplifier and a second power amplifier by switching a first radio frequency switch and a second radio frequency switch of a first group of transmitting carrier switching switches;

the method comprises the steps of inputting downlink data of a first carrier and uplink data of a second carrier output by a first power amplifier and a second power amplifier to a first transmission band-pass filter and a second transmission band-pass filter of the second carrier through switching a first radio frequency switch and a second radio frequency switch of a second group of transmission carrier switching switches, reserving the uplink data of the second carrier and filtering out the downlink data of the first carrier and other interference signals;

Transmitting uplink data of the second carrier wave output by the first transmitting band-pass filter and the second transmitting band-pass filter of the second carrier wave to a first transmitting antenna and a second transmitting antenna by switching a first radio frequency switch and a second radio frequency switch in a transmitting and receiving common carrier wave switching switch;

in a second period, receiving uplink data of a first carrier and downlink data of a second carrier from a first transmitting end and a second transmitting end of the first carrier of the transceiver;

the method comprises the steps of inputting uplink data of a first carrier and downlink data of a second carrier to a first power amplifier and a second power amplifier by switching a first radio frequency switch and a second radio frequency switch of a first group of transmitting carrier switching switches;

the uplink data of the first carrier and the downlink data of the second carrier, which are output by the first power amplifier and the second power amplifier, are input to a first transmission band-pass filter and a second transmission band-pass filter of the first carrier by switching a first radio frequency switch and a second radio frequency switch of a second group of transmission carrier switching switches, and the uplink data of the first carrier is reserved and the downlink data of the second carrier and other interference signals are filtered;

And transmitting uplink data of the first carrier wave output by the first transmitting band-pass filter and the second transmitting band-pass filter of the first carrier wave to a first transmitting antenna and a second transmitting antenna by switching a first radio frequency switch and a second radio frequency switch in a transmitting and receiving common carrier wave switching switch.

9. The circuit control method according to claim 8, wherein the step of outputting a carrier control signal to a radio frequency front end link of the radio frequency circuit according to the time slot ratio information, and controlling the first carrier and the second carrier transmitted and received by the transceiver, the first and second transceiver antennas, and the third and fourth receiving antennas to be switched according to the time slot ratio comprises:

in the first period, downlink data of the first carrier and uplink data of the second carrier are respectively received from a first receiving and transmitting antenna and a second receiving and transmitting antenna;

the method comprises the steps of inputting downlink data of a first carrier and uplink data of a second carrier into a first receiving band-pass filter and a second receiving band-pass filter of the first carrier by switching a first radio frequency switch and a second radio frequency switch of a common carrier switching switch, reserving the downlink data of the first carrier and filtering the uplink data of the second carrier and other interference signals between the downlink data of the first carrier and the uplink data of the second carrier;

The method comprises the steps of inputting downlink data of a first carrier wave output by a first receiving band-pass filter and a second receiving band-pass filter of the first carrier wave to a first low-noise amplifier and a second low-noise amplifier by switching a first radio frequency switch and a second radio frequency switch of a first group of receiving carrier wave switching switches;

the method comprises the steps of inputting downlink data of a first carrier wave output by a first low-noise amplifier and a second low-noise amplifier to a first receiving end and a second receiving end of the first carrier wave of a transceiver by switching a first radio frequency switch and a second radio frequency switch of a second group of received carrier wave switching switches;

in the second period, respectively receiving uplink data of the first carrier and downlink data of the second carrier from a first transceiver antenna and a second transceiver antenna;

the uplink data of the first carrier and the downlink data of the second carrier are input to a first receiving band-pass filter and a second receiving band-pass filter of the second carrier by switching a first radio frequency switch and a second radio frequency switch of a common carrier switching switch, and the downlink data of the second carrier is reserved between the uplink data of the first carrier and the downlink data of the second carrier and the uplink data of the first carrier and other interference signals are filtered;

The method comprises the steps that downlink data of a second carrier wave output by a first receiving band-pass filter and a second receiving band-pass filter of the second carrier wave are input to a first low-noise amplifier and a second low-noise amplifier through switching a first radio frequency switch and a second radio frequency switch of a first group of receiving carrier wave switching switches;

and the downlink data of the second carrier wave output by the first low noise amplifier and the second low noise amplifier are input to a first receiving end and a second receiving end of the second carrier wave of the transceiver by switching a first radio frequency switch and a second radio frequency switch of a second group of receiving carrier wave switching switches.

10. The circuit control method according to claim 9, wherein the step of outputting a carrier control signal to a radio frequency front end link of the radio frequency circuit according to the time slot ratio information, and controlling the first carrier and the second carrier transmitted and received by the transceiver, the first and second transceiver antennas, and the third and fourth receiving antennas to be switched according to the time slot ratio comprises:

in the first period, downlink data of the first carrier and uplink data of the second carrier are received from a third receiving antenna and a fourth receiving antenna;

The method comprises the steps that through a first radio frequency switch and a second radio frequency switch in a special carrier switching switch, downlink data of a first carrier and uplink data of a second carrier are input to a third receiving band-pass filter and a fourth receiving band-pass filter of the first carrier, the downlink data of the first carrier are reserved, and uplink data of the second carrier and other interference signals are filtered;

the method comprises the steps that through switching a first radio frequency switch and a second radio frequency switch of a third group of receiving carrier switching switches, downlink data of a first carrier output by a third receiving band-pass filter and a fourth receiving band-pass filter of the first carrier are input to a third low-noise amplifier and a fourth low-noise amplifier; and

the downlink data of the first carrier wave output by the third low noise amplifier and the fourth low noise amplifier are input to a third receiving end and a fourth receiving end of the first carrier wave of the transceiver by switching a first radio frequency switch and a second radio frequency switch of a fourth group of receiving carrier wave switching switches;

in the second period, uplink data of the first carrier and downlink data of the second carrier are received from a third receiving antenna and a fourth receiving antenna;

The method comprises the steps of inputting uplink data of a first carrier and downlink data of a second carrier to a third receiving band-pass filter and a fourth receiving band-pass filter of the second carrier by switching a first radio frequency switch and a second radio frequency switch in a special carrier switching switch, reserving the downlink data of the second carrier and filtering the uplink data of the first carrier and other interference signals;

the method comprises the steps that through switching a first radio frequency switch and a second radio frequency switch of a third group of receiving carrier switching switches, downlink data of a second carrier output by a third receiving band-pass filter and a fourth receiving band-pass filter of a second carrier are input to a third low-noise amplifier and a fourth low-noise amplifier; and

and the downlink data of the second carrier wave output by the third low noise amplifier and the fourth low noise amplifier are input to a third receiving end and a fourth receiving end of the second carrier wave of the transceiver by switching the first radio frequency switch and the second radio frequency switch of the fourth group of receiving carrier wave switching switches.

11. A carrier switching control device for controlling a dual carrier time domain complementary radio frequency circuit supporting time division duplexing, the device comprising:

The information acquisition module is used for acquiring time slot proportioning information;

and the circuit switching module is used for outputting carrier control signals to a radio frequency front end link of the radio frequency circuit according to the time slot proportioning information and controlling a transceiver, a first receiving antenna, a second receiving antenna, a third receiving antenna and a fourth receiving antenna to switch the first carrier and the second carrier according to the time slot proportioning.

12. A terminal, comprising: the dual carrier time domain complementary radio frequency circuit and baseband processor supporting time division duplexing as recited in any one of claims 1-6, wherein,

the baseband processor is used for outputting time slot proportioning information to the carrier switching control module.

13. An electronic device, comprising:

a processor; and

A memory for storing executable instructions of the processor;

wherein the processor is configured to perform the dual carrier time domain complementary radio frequency circuit control method supporting time division duplexing of any one of claims 7-10 via execution of the executable instructions.

14. A computer readable storage medium having stored thereon a computer program, which when executed by a processor implements the method for controlling a dual carrier time domain complementary radio frequency circuit supporting time division duplex according to any of claims 7-10.