WO2016206337A1

WO2016206337A1 - Circuit and method of configuring local oscillator signal and storage medium

Info

Publication number: WO2016206337A1
Application number: PCT/CN2015/098896
Authority: WO
Inventors: 曾义
Original assignee: 深圳市中兴微电子技术有限公司
Priority date: 2015-06-26
Filing date: 2015-12-25
Publication date: 2016-12-29
Also published as: CN106301359B; CN106301359A

Abstract

A circuit, configuring local oscillator signals, comprises: a local oscillator signal generation circuit (11) and a local oscillator signal control circuit (12), wherein the local oscillator signal generation circuit (11) is configured to generate the local oscillator signals at different frequencies; and the local oscillator signal control circuit (12) is configured to configure, according to operating modes of radio frequency transceivers (13), local oscillator signals for the radio frequency transceivers (13) to be at different frequencies or at an identical frequency. In addition, the present invention also provides a method of configuring a local oscillator signal, and a radio frequency transceiver and storage medium utilizing the same. The present invention effectively reduces a size of the generation circuit of the local oscillator signal in the radio frequency transceiver having carrier aggregation and multi-input and multi-output functions and reduces an area and power consumption of a chip.

Description

Local oscillator signal configuration circuit, local oscillator signal configuration method and storage medium

Technical field

The invention relates to the technical field of circuit design, in particular to a local oscillator signal configuration circuit, a local oscillator signal configuration method and a storage medium applied to a carrier aggregation and a multi-input multi-output radio transceiver.

Background technique

With the popularity of mobile terminals, the market has a great demand for multi-mode multi-band radio transceivers. In the working process, multi-mode multi-band radio transceivers usually require multiple local frequencies of different frequencies or multiple identical frequencies. For example, current carrier aggregation and MIMO transceivers are the most widely used RF transceivers; when carrier aggregation and MIMO transmitters are used as carrier aggregation RF transceivers, voltage controlled oscillators (VCOs) are required. Voltage-Controlled Oscillator provides at least two local oscillator signals of different frequencies; when carrier aggregation and multiple input multiple output RF transceivers are used as multiple input multiple output RF transceivers, the VCO is required to transmit a single frequency local oscillator signal to at least two RF transceiver local oscillator signal input. The local oscillator signal is usually provided by a VCO and a Phase Locked Loop (PLL). In the transceiver, the VCO and PLL usually occupy a large area in the whole chip and consume more current. This requires the chip to have a large area to ensure the generation of the local oscillator signal, resulting in the cost and work of the chip. The consumption is too high.

Summary of the invention

In view of this, the embodiments of the present invention are expected to provide a local oscillator signal configuration circuit, a local oscillator signal configuration method, and a storage medium, which can effectively reduce the transceiver chip area, reduce chip power consumption, and chip cost.

To achieve the above objective, the technical solution of the embodiment of the present invention is implemented as follows:

Embodiments of the present invention provide a local oscillator signal configuration circuit, where the circuit includes: a local oscillator signal No. generating circuit, local oscillator signal control circuit;

The local oscillator signal generating circuit is configured to generate local oscillator signals of different frequencies;

The local oscillator signal control circuit is configured to configure a local oscillator signal of the same frequency or a different frequency according to an operating mode of the radio frequency transceiver.

In the above solution, the local oscillator signal generating circuit includes at least two local oscillator signal generators, and each local oscillator signal generator generates a local oscillator signal of a frequency.

In the above solution, the local oscillator signal control circuit is configured to:

When the radio frequency transceiver is in a carrier aggregation mode, the local oscillator signal control circuit configures a local oscillator signal of different frequencies for the radio frequency transceiver;

The local oscillator signal control circuit configures the local oscillator signal of the same frequency for the radio frequency transceiver when the radio frequency transceiver is in the multiple input multiple output operation mode.

In the above solution, the local oscillator signal control circuit includes a driver and a control switch, wherein

The driver is configured to enhance a local oscillator signal generated by the local oscillator signal generating circuit, and cooperate with the control switch to output a local oscillator signal of the same frequency or a different frequency;

The control switch is configured to control the output of the local oscillator signal of the same frequency or different frequency in cooperation with the driver by controlling the opening and closing of each line in the local oscillator signal control circuit.

An embodiment of the present invention further provides a local oscillator signal configuration method, where the method includes:

Generating local oscillator signals of different frequencies;

According to the working mode of the RF transceiver, the local oscillator signals of the same frequency or different frequencies are configured.

In the above solution, the generating the local oscillator signals of different frequencies comprises: generating local oscillator signals by at least two local oscillator signal generators, wherein each local oscillator signal generator generates a local oscillator signal of a frequency.

In the above solution, according to the working mode of the radio frequency transceiver, the local oscillator signals configured with the same frequency or different frequencies include:

The local oscillator signal control circuit when the radio frequency transceiver is in a carrier aggregation mode Configuring a local oscillator signal of different frequencies for the radio transceiver;

In the above solution, the method further includes:

Enhancing the local oscillator signal generated by the local oscillator signal generating circuit;

The local oscillator signal configured with the same frequency or different frequency for the radio frequency transceiver includes: opening and closing of the driver through the driver, and controlling the opening and closing of each line in the local oscillator signal control circuit by the control switch, and cooperatively controlling the output of the same frequency or Local oscillator signals at different frequencies.

An embodiment of the present invention further provides a radio frequency transceiver, where the radio frequency transceiver includes the local oscillator signal configuration circuit.

The embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program for performing a local oscillator signal configuration method according to an embodiment of the present invention.

The local oscillator signal configuration circuit, the local oscillator signal configuration method, and the storage medium provided by the embodiments of the present invention generate local oscillator signals of different frequencies through the local oscillator signal generating circuit; and configure the same frequency or different frequencies through the local oscillator signal control circuit. Vibration signal. In this way, multiplexing of the VCO and the PLL can be achieved, using as few VCOs and PLLs as possible to provide as many local oscillator signals as possible, and distributing local oscillator signals of the same frequency or different frequencies to different RF receivers simultaneously. RF transceivers with carrier aggregation and multiple input multiple output provide different local oscillator signals. Reduce chip area, reduce chip power consumption and chip cost while supporting diversification of transceiver functions.

DRAWINGS

1 is a schematic structural diagram of a local oscillator signal configuration circuit according to an embodiment of the present invention;

2 is a schematic diagram showing the internal structure of a local oscillator signal configuration circuit according to an embodiment of the present invention;

FIG. 3 is a diagram showing the driver and the control when the radio frequency transceiver is in the carrier aggregation working mode according to the embodiment of the present invention; Schematic diagram of the state of the switch;

4 is a schematic diagram showing states of a driver and a control switch when the radio frequency transceiver is in a carrier aggregation working mode according to an embodiment of the present invention;

5 is a schematic diagram of states of a driver and a control switch when the radio frequency transceiver is in a multiple input multiple output operation mode according to an embodiment of the present invention;

6 is a schematic diagram of states of a driver and a control switch when the radio frequency transceiver is in a multiple input multiple output operation mode according to an embodiment of the present invention;

FIG. 7 is a schematic flowchart of a method for configuring a local oscillator signal according to an embodiment of the present invention.

detailed description

In the embodiment of the present invention, the local oscillator signal of different frequencies is generated by the local oscillator signal generating circuit; and the local oscillator signal of the same frequency or different frequency is configured by the local oscillator signal control circuit.

The local oscillator signal generating circuit of the embodiment of the present invention includes at least two local oscillator signal generators capable of providing local oscillator signals of different frequencies. When the radio frequency transceiver operates in a carrier aggregation mode, the local oscillator signal generating circuit outputs Two kinds of local oscillator signals with different frequencies; when the RF transceiver works in multiple input and multiple output mode, since the RF transceiver only needs a single frequency local oscillator signal, it is necessary to turn off the output circuit of one of the local oscillator signals. Drive multiple RF transceivers with a single local oscillator signal. In this way, the same set of local oscillator signal generating circuits can be utilized, and the local oscillator signal control circuit can realize the function of providing local oscillator signals of different frequencies or the same frequency for the radio frequency transceiver with carrier aggregation and multiple input and multiple output functions. The size of the local oscillator signal generating circuit in the radio frequency transceiver with carrier aggregation and multiple input multiple output functions is effectively reduced, the area of the chip is reduced, and the power consumption of the chip is reduced.

The local oscillator signal configuration circuit according to the embodiment of the present invention is described in detail with reference to the accompanying drawings and embodiments. FIG. 1 is a schematic structural diagram of a local oscillator signal configuration circuit according to an embodiment of the present invention, as shown in FIG. The local oscillator signal configuration circuit includes a local oscillator signal generating circuit 11 and a local oscillator signal control circuit 12;

The local oscillator signal generating circuit 11 is configured to generate local oscillator signals of different frequencies;

The local oscillator signal control circuit 12 is configured to configure local oscillator signals of the same frequency or different frequencies according to an operating mode of the radio frequency transceiver.

2 is a schematic diagram showing the internal structure of a local oscillator signal configuration circuit according to an embodiment of the present invention. As shown in FIG. 2, the local oscillator signal generating circuit 11 includes at least two local oscillator signal generators 111, and each local oscillator signal generator 111 generates A local oscillator signal of frequency.

In the embodiment of the present invention, the local oscillator signal generating circuit 11 includes two local oscillator signal generators 111, as shown in FIG.

The local oscillator signal generator 111; in FIG. 2, includes two local oscillator signal generators 111: VCO1, VCO2; and two local oscillator signal generators 111 respectively generate local oscillator signals of different frequencies. Here, the models of VCO1 and VCO2 may be the same or different; the frequency ranges of the VCOs of the same model are the same, and the frequency ranges of VCOs of different models are different. Since each model VCO has a controllable frequency range, two VCOs of the same model or two different models of VCOs can provide local oscillator signals at different frequencies; for example, when both VCO1 and VCO2 are models In the VCO of HE487, the frequency range of VCO1 and VCO2 is 3.0~3.7GHz. The frequency of the local oscillator signal output by VCO1 and VCO2 can be set according to actual needs. For example, the frequency of the local oscillator signal output by VCO1 is set to 3.0GHz. The local oscillator signal frequency of the VCO2 output is set to 3.7 GHz;

For the local oscillator signal control circuit 12, when the radio frequency transceiver is in a carrier aggregation mode, the local oscillator signal control circuit 12 configures the radio frequency transceiver 13 with local oscillator signals of different frequencies; when the radio frequency transceiver When in the multiple input multiple output mode of operation, the local oscillator signal control circuit 12 outputs a local oscillator signal of the same frequency to the radio frequency transceiver 13.

Here, since only one VCO is required to output the local oscillator signal, when VCO1 and VCO2 are the same type of VCO, any VCO output local oscillator signal can be selected according to the chip structure; for example, when the required local oscillator signal frequency is 3.5. At GHz, the output frequency of the VCO1 can be set to 3.5 GHz, and the VCO 2 is turned off, so that the local oscillation signal control circuit 12 only turns on the VCO 1 The path where the VCO2 is located is not connected, so that the local oscillator signal of the same frequency can be obtained. When VCO1 and VCO2 are different types of VCOs, the VCO that outputs the local oscillator signal can be selected according to the actual required frequency and the frequency range of VCO1 and VCO2. Generally, two VCOs of the same type can satisfy the local oscillator signal configuration method according to the embodiment of the present invention. Therefore, in practical applications, the VCO1/VCO2 output local oscillator signal can be selected according to the working mode of the radio frequency transceiver. ;

In the embodiment of the present invention, the local oscillator signal control circuit 12 includes at least one driver 121 and at least one control switch 122 as shown in FIG. 2, wherein the driver is configured to enhance the local oscillator generated by the local oscillator signal generating circuit. Signaling, and cooperating with the control switch 122 to control a local oscillator signal of the same frequency or different frequency; the control switch 122 is configured to control the opening and closing of each line in the local oscillator signal control circuit, and the driver 121 Coordinated control configures local oscillator signals of the same frequency or different frequencies.

Taking FIG. 2 as an example, the dashed box is the internal structure of the local oscillator signal control circuit 12 according to the embodiment of the present invention, as shown in FIG. 2 .

For the drive 121,

To control the switch 122, in the embodiment of FIG. 2, the local oscillator signal control circuit 12 includes three drivers 121: buffer0, buffer1, buffer2; and ten control switches 122: S1, S2, S0a, S0a, S1b, S1b, S2c, S2c, S3d, S3d; wherein, S0a, S0a, S1b, S1b, S2c, S2c, S3d, S3d are respectively connected to a radio frequency handset or transmitter 13; in Figure 2, through the radio transceiver Frequency and mixer icon

Refers to the RF receiver/RF transmitter 13.

In an embodiment, when the driver 121 is in the on state, the driver 121 can enhance the local oscillator signal input to itself, and then output the signal. Therefore, in practical applications, when the radio frequency transceiver 13 is away from the local oscillator signal When the generator 111 is far away, the driver 121 is required to enhance the local oscillator signal in the line, and then sent to the radio frequency transceiver 13 to ensure that the sub-radio frequency transceiver 13 can receive the local oscillator signal with the required strength;

When the driver 121 is in the off state, the local oscillator signal cannot pass through the driver 121, and the driver 121 cannot implement the function of the local oscillator signal enhancement.

The following describes the working process of the local oscillator signal configuration circuit according to the embodiment of the present invention in combination with the actual application scenario. In the actual scenario shown in FIG. 3 to FIG. 6, the frequency divider and the mixer icon in the radio transceiver are still used.

Referring generally to the RF receiver/RF transmitter, in the following embodiments, the divider and mixer are identical to the RF transceiver.

When the radio frequency transceiver is in a carrier aggregation mode, the local oscillator signal control circuit 12 needs to configure local oscillator signals of different frequencies; in this scenario, each driver and control switch of the local oscillator signal control circuit 12 The status is shown in Figure 3:

When it is required to output local oscillator signals of different frequencies, the control switch S1 and the control switch S2 are closed, the driver Buffer0 is in the off state, the Buffer1 and the Buffer2 can be selected to be in the on state; the local oscillator signals LO1 and LO2 outputted by the VCO1 and the VCO2 are output. To the main path of the local oscillator signal; since Buffer0 is in the off state, the local oscillator signal LO1 provided by the VCO1 and the local oscillator signal LO2 provided by the VCO2 are independent of each other; thus, two independent local oscillator signals are respectively input to the control The switches S0a, S0b, S1a, S1b, S2a, S2b, S3a, S3b; wherein the control switches S0a, S0b, S1a, S1b input the local oscillator signal LO1, and the control switches S2a, S2b, S3a, S3b input the local oscillator The signal LO2; and the local oscillator signal input to the control switches S0a, S0b is the local oscillator signal enhanced by the Buffer1, and the local oscillator signal input to the control switches S3a, S3b is the local oscillator signal enhanced by the Buffer2; Demand, selectively closing or opening S0a, S0b, S1a, S1b, S2a, S2b, S3a, S3b, as shown in FIG. 3, S0a, S0b, S1a, S1b, S2a, S2b, S3a, S3b are all closed. Minute And mixer Mixer0a, Mixer0b, Mixer1a, Mixer1b received the local oscillator signal LO1, Mixer2a, Mixer2b, Mixer3a, Mixer3b received the local oscillator signal LO2, to meet carrier aggregation RF transceiver the requirements of the local signal.

FIG. 4 is a schematic diagram of another embodiment of the present invention, when the radio frequency transceiver is in a carrier aggregation working mode, The state diagram of each driver and control switch in the local oscillator signal control circuit 12, as shown in FIG. 4, the control switch S1 and the control switch S2 are closed, the drivers Buffer0, Buffer1, and Buffer2 are in a closed state, and the control switches S0a, S0b are closed. S3a, S3b are in the off state, S1a, S1b, S2a, S2b are in the closed state; since Buffer0 is in the off state, the local oscillator signal LO1 provided by the VCO1 and the local oscillator signal LO2 provided by the VCO2 are independent of each other; Because Buffer1 and Buffer2 are in the off state, the local oscillator signal cannot pass through Buffer1 and Buffer2, and two independent local oscillator signals are respectively input to the control switches S1a, S1b, S2a, and S2b. Among them, the control switches S1a and S1b are input. The vibration signal LO1, the control switches S2a, S2b, the input is the local oscillator signal LO2, the control switch is turned on S0a, S0b, S3a, S3b can not receive the local oscillator signal; then according to the actual demand, selectively close or open S1a, S1b , S2a, S2b, as shown in Figure 5, S1a, S1b, S2a, S2b are all in the closed state, the frequency divider and the mixer Mixer1a, Mixer1b receive the local oscillator signal LO1, Mixer2a, M The ixer2b receives the local oscillator signal LO2, and the Mixer0a, Mixer0b, Mixer3a, and Mixer3b have no input signals; thus satisfying the requirements of the carrier aggregation RF transceiver for the local oscillator signal.

When the radio frequency transceiver is in the multiple input multiple output operation mode, the local oscillator signal control circuit 12 needs to output a local oscillator signal of the same frequency; in this scenario, each driver and control of the local oscillator signal control circuit 12 The state of the switch is shown in Figure 5:

When it is required to output the local oscillator signal of the same frequency, the configuration that the control switch S1 is closed, the S2 is open, and the Buffer0 is in the open state can be selected, and the configuration that the control switch S1 is disconnected, the S2 is closed, and the Buffer0 is in the open state can also be selected. the way. As shown in FIG. 5, when the control switch S1 in the local oscillator signal control circuit is closed, S2 is turned off, and Buffer0 is in an on state, Buffer1 and Buffer2 are in a closed state, and the local oscillator signal LO1 outputted by the VCO1 is output to the local oscillator. In the main path of the signal, since Buffer1 and Buffer2 are in the off state, the local oscillator signal cannot pass through Buffer1 and Buffer2, and the local oscillator signal LO1 output from VCO1 is input to the control switches S1a, S1b, S2a, and S2b, respectively, where the input is to the control switch. The local oscillator signals of S2a and S2b are Buffer0 enhanced local oscillator signal; then then selectively close or open S1a, S1b, S2a, S2b according to actual demand, as shown in Figure 5, S1a, S1b, S2a, S2b are in the closed state, the frequency divider and The mixers Mixer1a, Mixer1b, Mixer2a, and Mixer2b receive the local oscillator signal LO1, and Mixer0a, Mixer0b, Mixer3a, and Mixer3b have no input signals; thus, the same frequency local oscillator signal is provided for the multiple RF receivers or transmitters. The requirements of the multi-input multi-output RF transceiver for the local oscillator signal.

FIG. 6 is a schematic diagram of states of each driver and control switch in the local oscillator signal control circuit 12 when the radio frequency transceiver is in a multiple input multiple output operation mode according to another embodiment of the present invention, as shown in FIG. When the control switch S1 in the local oscillator signal control circuit is closed, S2 is off, Buffer0, Buffer1, and Buffer2 are in the on state, the local oscillator signal LO1 output by the VCO1 is output to the main path of the local oscillator signal, and is respectively input to the control switch. S0a, S0b, S1a, S1b, S2a, S2b, S3a, S3b, wherein the local oscillator signal input to the control switches S0a, S0b is a local oscillator signal enhanced by the Buffer1, and is input to the local oscillator signal of the control switches S2a, S2b The local oscillator signal enhanced by Buffer0; the local oscillator signal input to S3a and S3b is the local oscillator signal enhanced by Buffer0 and Buffer2; then selectively close or disconnect S0a, S0b, S1a, S1b according to actual needs. , S2a, S2b, S3a, S3b, as shown in Figure 6, S0a, S0b, S1a, S1b, S2a, S2b, S3a, S3b are all closed, frequency divider and mixer Mixer0a, Mixer0b, Mixer1a, Mixer1b, Mixer2a , Mixer2b, Mixer3a Mixer3b receives is the local oscillator signal LO1, to achieve local oscillation signal is multiplexed with the radio frequency receiver or transmitter provided to meet the MIMO RF transceiver the requirements of the local signal.

In the embodiment of the present invention, only the circuit structure shown in FIG. 2 to FIG. 6 is taken as an example, and the scope is not limited. In practical applications, the circuit structure may be adjusted, for example, to increase or decrease each device in the circuit. The number, the position of each device in the adjustment circuit, and the connection relationship between the devices to adapt to different local oscillator signal frequency requirements are all within the scope of the present invention.

The embodiment of the invention further provides a local oscillator circuit configuration method, and FIG. 7 is an embodiment of the present invention. A schematic diagram of a local oscillator circuit configuration method is shown in FIG. 7. In the embodiment of the present invention, the local oscillator circuit configuration method includes the following steps:

Step 701: Generate local oscillator signals of different frequencies.

In the embodiment of the present invention, the generating the local oscillator signals of different frequencies comprises: generating local oscillator signals by using at least two local oscillator signal generators, wherein each local oscillator signal generator generates a local oscillator signal of a frequency.

Step 702: Configure local oscillator signals of the same frequency or different frequencies according to the working mode of the radio frequency transceiver.

According to the working mode of the radio frequency transceiver, configuring the local oscillator signal of the same frequency or different frequency includes: when the radio frequency transceiver is in a carrier aggregation working mode, the local oscillator signal control circuit is configured differently for the radio frequency transceiver The local oscillator signal of the frequency; when the radio frequency transceiver is in the multiple input multiple output operation mode, the local oscillator signal control circuit configures the local oscillator signal of the same frequency for the radio frequency transceiver.

The method in the embodiment of the present invention further includes: enhancing a local oscillator signal generated by the local oscillator signal generating circuit;

In the embodiment of the present invention, when the driver is in an on state, the driver can enhance the local oscillator signal input to itself, and then output, so when the radio transceiver is far away from the local oscillator signal generator, the driver is required. The local oscillator signal in the line is enhanced and then sent to the frequency divider and the mixer to ensure that the frequency divider and the mixer can receive the local oscillator signal with the required strength; when the drive is in the off state, The local oscillator signal cannot pass through the driver, and the driver cannot implement the local oscillator signal enhancement function.

An embodiment of the present invention further provides a radio frequency transceiver, where the radio frequency transceiver includes FIG. 1 to Figure 6 shows the local oscillator signal configuration circuit.

Correspondingly, an embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program for performing a local oscillator signal configuration method according to an embodiment of the present invention.

The local oscillator signal configuration circuit, the local oscillator signal configuration method, and the storage medium described in the embodiments of the present invention are exemplified only by the above embodiments, but are not limited thereto, and those skilled in the art should understand that they can still implement the foregoing implementations. The technical solutions described in the examples are modified, or some or all of the technical features are equivalently substituted; and the modifications or substitutions do not deviate from the scope of the technical solutions of the embodiments of the present invention.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

Industrial applicability

In the embodiment of the invention, the local oscillator signal is generated by the local oscillator signal generating circuit, and the local oscillator signal of the same frequency or different frequency is configured by the local oscillator signal control circuit. In this way, multiplexing of the VCO and the PLL can be achieved, using as few VCOs and PLLs as possible to provide as many local oscillator signals as possible, and distributing local oscillator signals of the same frequency or different frequencies to different RF receivers simultaneously. RF transceivers with carrier aggregation and multiple input multiple output provide different local oscillator signals. Reduce chip area, reduce chip power consumption and chip cost while supporting diversification of transceiver functions.

Claims

A local oscillator signal configuration circuit, the circuit comprising: a local oscillator signal generating circuit and a local oscillator signal control circuit; wherein

The local oscillator signal generating circuit is configured to generate local oscillator signals of different frequencies;

The local oscillator signal control circuit is configured to configure a local oscillator signal of the same frequency or a different frequency according to an operating mode of the radio frequency transceiver.
The circuit of claim 1 wherein said local oscillator signal generating circuit comprises at least two local oscillator signal generators, each local oscillator signal generator generating a local oscillator signal of a frequency.
The circuit of claim 1 wherein said local oscillator signal control circuit is configured to:

When the radio frequency transceiver is in a carrier aggregation mode, the local oscillator signal control circuit configures a local oscillator signal of different frequencies for the radio frequency transceiver;

The local oscillator signal control circuit configures the local oscillator signal of the same frequency for the radio frequency transceiver when the radio frequency transceiver is in the multiple input multiple output operation mode.
The circuit according to claim 3, wherein said local oscillation signal control circuit comprises a driver and a control switch, wherein

The driver is configured to enhance a local oscillator signal generated by the local oscillator signal generating circuit, and cooperate with the control switch to output a local oscillator signal of the same frequency or a different frequency;

The control switch is configured to control the output of the local oscillator signal of the same frequency or different frequency in cooperation with the driver by controlling the opening and closing of each line in the local oscillator signal control circuit.
A method for configuring a local oscillator signal, the method comprising:

Generating local oscillator signals of different frequencies;

According to the working mode of the RF transceiver, the local oscillator signals of the same frequency or different frequencies are configured.
The method according to claim 5, wherein said generating a local oscillator signal of a different frequency comprises: generating a local oscillator signal by at least two local oscillator signal generators, wherein each local oscillator signal is generated The generator generates a local oscillator signal of a frequency.
The method according to claim 5, wherein the configuring the local oscillator signal of the same frequency or different frequency according to the operating mode of the radio frequency transceiver comprises:

When the radio frequency transceiver is in a carrier aggregation mode, the local oscillator signal control circuit configures a local oscillator signal of different frequencies for the radio frequency transceiver;

The local oscillator signal control circuit configures the local oscillator signal of the same frequency for the radio frequency transceiver when the radio frequency transceiver is in the multiple input multiple output operation mode.
The method of claim 7 wherein said method further comprises:

Enhancing the local oscillator signal generated by the local oscillator signal generating circuit;

The local oscillator signal configured with the same frequency or different frequency for the radio frequency transceiver includes: opening and closing of the driver through the driver, and controlling the opening and closing of each line in the local oscillator signal control circuit by the control switch, and cooperatively controlling the output of the same frequency or Local oscillator signals at different frequencies.
A radio frequency transceiver comprising the local oscillator signal configuration circuit according to any one of claims 1 to 4.
A computer storage medium storing computer executable instructions for performing the local oscillator signal configuration method according to any one of claims 5 to 8.