CN112039572B

CN112039572B - Antenna mode switching method, device, receiver and storage medium

Info

Publication number: CN112039572B
Application number: CN202010949767.4A
Authority: CN
Inventors: 刘君
Original assignee: Zeku Technology Beijing Corp Ltd
Current assignee: Zeku Technology Beijing Corp Ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2022-06-28
Anticipated expiration: 2040-09-10
Also published as: CN112039572A

Abstract

The embodiment of the application discloses a method and a device for switching antenna modes, a receiver and a storage medium, and belongs to the technical field of antennas. The method comprises the following steps: the receiver can adjust the number of the working antennas from the first number to the second number according to the initial antenna configuration information sent by the transmitter after the receiver receives the service data of the transmitter and when the attribute of the service data sent by the transmitter meets the preset condition, so that the number of the working antennas can be correspondingly adjusted according to the attribute of the service data, and the number of the antennas used is reduced and the power consumption is reduced when a plurality of antennas are not needed for the data service; when a plurality of antennas are needed in the data service, the number of the antennas is increased, the service data receiving performance of the antennas is improved, and the power consumption brought by the antennas is reduced on the premise that the performance of the receiver is ensured.

Description

Antenna mode switching method, device, receiver and storage medium

Technical Field

The present invention relates to the field of antenna technologies, and in particular, to a method and an apparatus for switching antenna modes, a receiver, and a storage medium.

Background

In the 3rd Generation Partnership Project (3 GPP) standard, a MIMO (Multiple Input Multiple Output) antenna mode is established.

In one implementation, multi-antenna transmission and reception improves the spectrum utilization by the terminal device. In multi-antenna transmission and reception, a high-order data transmission technique is used, but the high-order data transmission increases the complexity of the radio frequency and baseband implementation of the receiver. Meanwhile, when the receiver applies a multi-antenna transmission and reception technology, the power consumption of the receiver is high, and the influence on endurance is large.

Disclosure of Invention

The embodiment of the application provides an antenna mode switching method, an antenna mode switching device, a receiver and a storage medium. The technical scheme is as follows:

according to an aspect of the present application, there is provided an antenna mode switching method applied in a receiver, the method including:

establishing a wireless communication connection with a transmitter;

receiving initial antenna configuration information sent by the transmitter;

configuring the number of working antennas of the receiver to a first number according to the initial antenna configuration information, wherein the working antennas are antennas in a working state in the receiver;

Receiving service data sent by the transmitter;

and adjusting the number of the working antennas of the receiver from the first number to a second number in response to the fact that the attribute of the service data sent by the transmitter meets a preset condition.

According to another aspect of the present application, there is provided an antenna mode switching apparatus for use in a receiver, the apparatus including:

the connection establishing module is used for establishing wireless communication connection with the transmitter;

a configuration information receiving module, configured to receive initial antenna configuration information sent by the transmitter;

a number adjusting module, configured to configure the number of working antennas of the receiver as a first number according to the initial antenna configuration information, where the working antennas are antennas in a working state in the receiver;

a service data receiving module, configured to receive service data sent by the transmitter;

and the antenna number adjusting module is used for adjusting the number of the working antennas of the receiver from the first number to the second number in response to the fact that the attribute of the service data sent by the transmitter meets a preset condition.

According to another aspect of the present application, there is provided a receiver comprising a processor and a memory, the memory having stored therein at least one instruction, the instruction being loaded and executed by the processor to implement the method of switching antenna modes as provided in the various aspects of the present application.

According to another aspect of the present application, there is provided a computer-readable storage medium having at least one instruction stored therein, the instruction being loaded and executed by a processor to implement the method for switching antenna modes as provided in the various aspects of the present application.

According to an aspect of the present application, there is provided a computer program product 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 to cause the computer device to perform the methods provided in the various alternative implementations of the aspect of switching of antenna modes described above.

In the embodiment of the application, after the receiver completes configuration of the number of working antennas in the initial state of the transmitter according to the initial antenna configuration information, the receiver provides electric energy according to the current number of the working antennas, and after the receiver receives the service data of the transmitter, when the attribute of the service data sent by the transmitter meets the preset condition, the receiver adjusts the number of the working antennas from the first number to the second number, so that the number of the working antennas is correspondingly adjusted according to the attribute of the service data, the number of the antennas used is reduced when a plurality of antennas are not needed in a data service, and the power consumption is reduced; when a plurality of antennas are needed in the data service, the number of the antennas is increased, the service data receiving performance of the antennas is improved, and the power consumption brought by the antennas is reduced on the premise that the performance of the receiver is ensured.

Drawings

In order to more clearly describe the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an architectural diagram of one implementation environment provided by an exemplary embodiment of the present application;

fig. 2, fig. 3 and fig. 4 are respectively various implementation environments of a transmitter and a receiver provided by an embodiment of the present application;

fig. 5 is a block diagram of a receiver according to an exemplary embodiment of the present application;

fig. 6 is a flowchart of a method for switching antenna modes according to an exemplary embodiment of the present application;

fig. 7 is a flowchart illustrating a number of antennas configured to operate in a receiver according to an embodiment of the present disclosure;

fig. 8 is a flowchart of a method for switching antenna modes according to another exemplary embodiment of the present application;

fig. 9 is a flowchart of antenna switching based on channel conditions or scheduling data orders according to an embodiment of the present application;

Fig. 10 is a flow chart of switching of antenna modes based on the number of data layers according to the present application;

fig. 11 is a flowchart of a method for switching antenna modes based on the number of data layers according to the embodiment shown in fig. 10;

fig. 12 is a flowchart of a method for switching antenna modes based on the number of data layers according to the embodiment shown in fig. 10;

fig. 13 is a block diagram of a switching apparatus of an antenna mode according to an exemplary embodiment of the present application.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

In the description of the present application, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

In order to make the solution shown in the embodiments of the present application easy to understand, several terms appearing in the embodiments of the present application will be described below.

4x4 MIMO, chinese: 4 antenna transmission and 4 antenna reception multi-input multi-output, english: 4TX and 4RX Multiple-In Multiple-Out.

4x2 MIMO, chinese: antenna transmission 4 and antenna reception 2 multi-input multi-output, english: 4TX and 2RX Multiple-In Multiple-Out.

4RX, Chinese: 4 antenna reception, english: 4Radio Receiver.

2RX, Chinese: 2 antenna reception, english: 2Radio Receiver.

BB, Chinese: baseband, english: baseband.

RF, chinese: radio frequency, english: radio Frequency.

DL, Chinese: downlink, english: downlink.

SNR, chinese: signal-to-noise ratio, english: signal Noise Ratio.

NW, chinese: network side or base station, english: and (4) Network.

UE, Chinese: terminal side or handset, english: user Equipment.

Antenna mode: for indicating a combination of the number of transmission antennas and the number of reception antennas set in the MIMO technology. The number of the transmitting antennas may be used to indicate the number of the transmitting antennas in the transmitter, and the number of the receiving antennas may be used to indicate the number of the receiving antennas in the receiver. In the embodiment of the present application, the receiving antenna in the receiver may include two states, one is an active state, and the other is an inactive state.

For example, the antenna modes may include 4x4MIMO (4 antenna transmit and 4 antenna receive), 8x 4MIMO (8 antenna transmit and 4 antenna receive), or 8x8 MIMO (8 antenna transmit and 8 antenna receive).

Wireless communication connection: for connecting a wireless communication network between a transmitter and a receiver. In one possible implementation, the wireless communication connection is RRC (Radio Resource Control).

Initial antenna configuration information: for indicating the mode in which the antennas in the receiver are configured, e.g., 4x4MIMO, 4x4MIMO, 8x8 MIMO, or the like. The initial antenna configuration information is the first antenna configuration information after the receiver establishes wireless communication connection with the transmitter, and the subsequent transmitters and receivers communicate through the number configured by the initial antenna configuration information.

Attributes of the service data: the information is used to indicate the number of data layers and the size of Transport Block (TB) of the service data when the service data is scheduled at the transmitter. Wherein the number of data layers of the service data is equal to the number of service layers scheduled by the transmitter.

For example, the method for switching antenna modes shown in the embodiments of the present application may be applied in a receiver. In a possible manner, the receiver is a terminal device including a Radio Frequency (RF) chip, where the RF chip includes a processor and a memory, and the memory stores program instructions, and the processor implements the antenna mode switching method suggested in the embodiment of the present application when executing the program instructions. Optionally, the terminal device may further include a Baseband (Baseband, BB) processing chip, where the Baseband chip is configured to synthesize a voice or other data signal to be transmitted into a Baseband signal, or decode a received Baseband signal into a voice or other data signal.

Alternatively, the terminal device may include a mobile phone, a tablet computer, a laptop computer, a desktop computer, a personal computer, a server, a workstation, a television, a set-top box, smart glasses, a smart watch, a digital camera, an MP4 player terminal, an MP5 player terminal, a learning machine, a point-and-read machine, an electronic book, an electronic dictionary, a vehicle-mounted terminal, or the like.

In another possible approach, the receiver is a chip. The chip comprises a processor and a memory, wherein program instructions are stored in the memory, and the processor realizes the antenna mode switching method suggested by the embodiment of the application when executing the program instructions.

Referring to fig. 1, fig. 1 is an architecture diagram of an implementation environment provided by an exemplary embodiment of the present application. In fig. 1, the embodiment of the present application is implemented in an environment including a transmitter 110 and a receiver 120. Wherein the transmitter 110 is used for transmitting signals to the receiver 120, and the receiver 120 and the transmitter 110 are connected through wireless communication. Communication signals between transmitter 110 and receiver 120 include, but are not limited to, 5G NR (New Radio), 4G or 3G communication signals.

Illustratively, the transmitter 110 may be an NW and the receiver 120 may be a UE. Alternatively, the transmitter 110 may be a gbb or an eNB.

In the schematic shown in fig. 1, the transmitter 110 has 8 transmit antennas and the receiver 120 has 4 receive antennas.

Referring to fig. 2 to 4, fig. 2, fig. 3, and fig. 4 are respectively various implementation environments of the transmitter 110 and the receiver 120 according to the embodiments of the present application.

In the implementation environment shown in fig. 2, the transmitter 110 has 4 transmit antennas and the receiver 120 has 4 receive antennas.

In the implementation environment shown in fig. 3, the transmitter 110 has 4 transmit antennas and the receiver 120 has 2 receive antennas.

In the implementation environment shown in fig. 4, the transmitter 110 has 8 transmit antennas and the receiver 120 has 8 receive antennas.

Referring to fig. 5, fig. 5 is a block diagram of a receiver 500 according to an exemplary embodiment of the present application, and as shown in fig. 5, the receiver includes a processor 520 and a memory 540, where the memory 540 stores at least one instruction, and the instruction is loaded and executed by the processor 520 to implement the antenna mode switching method according to various method embodiments of the present application.

In the present application, the receiver 120 is an electronic device having a function of switching the antenna mode. When the receiver 120 establishes a wireless communication connection with a transmitter, the receiver 120 can receive initial antenna configuration information sent by the transmitter; configuring the number of working antennas of the transmitter into a first number according to the initial antenna configuration information, wherein the working antennas are antennas in a working state in the receiver; receiving service data sent by the transmitter; and adjusting the number of the working antennas of the receiver from the first number to a second number in response to the fact that the attribute of the service data sent by the transmitter meets a preset condition.

Processor 520 may include one or more processing cores. Processor 520, using various interfaces and lines to connect various parts throughout receiver 120, performs various functions of receiver 120 and processes data by executing or executing instructions, programs, code sets, or instruction sets stored in memory 540, and invoking data stored in memory 540. Optionally, the processor 520 may be implemented in at least one hardware form of Digital Signal Processing (DSP), Field-Programmable Gate Array (FPGA), and Programmable Logic Array (PLA). The processor 520 may integrate one or a combination of a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a modem, and the like. Wherein, the CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for rendering and drawing the content required to be displayed by the display screen; the modem is used to handle wireless communications. It is understood that the modem may not be integrated into the processor 520, but may be implemented by a single chip.

The Memory 540 may include a Random Access Memory (RAM) or a Read-Only Memory (ROM). Optionally, the memory 540 includes a non-transitory computer-readable medium. The memory 540 may be used to store instructions, programs, code sets, or instruction sets. The memory 540 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing various method embodiments described below, and the like; the storage data area may store data and the like referred to in the following respective method embodiments.

Referring to fig. 6, fig. 6 is a flowchart of a method for switching antenna modes according to an exemplary embodiment of the present application. The antenna mode switching method can be applied to the receiver shown in any one of fig. 1 to 4. In fig. 6, the method for switching the antenna mode includes:

step 610, receiving initial antenna configuration information sent by the transmitter.

In this application, a receiver is able to establish a wireless communication connection with a transmitter. Illustratively, the receiver reports the N antenna reception capability of the receiver to the transmitter in an RRC access procedure (RRC connection request), where N is a positive integer, and N may take a value including 2, 4, or 8, and so on. Accordingly, the transmitter determines a transmission mode with the receiver according to the N-antenna receiving capability. Alternatively, the transmission modes may include 4x4 MIMO, 4x4 MIMO, 8x8 MIMO, or the like.

In an embodiment of the application, a transmitter sends initial antenna configuration information to a receiver. Optionally, the initial antenna configuration information may be a reconfiguration message (RRC connection configuration). When the initial antenna configuration information is a reconfiguration message, the maximum transmission data layer of the receiver is N layers (N layers), which may be 4 for example.

And step 620, configuring the number of the working antennas of the receiver to a first number according to the initial antenna configuration information, wherein the working antennas are antennas in a working state in the receiver.

Illustratively, the receiver can configure the number of its own operating antennas to be a first number, and if the maximum transmission data layer of the receiver is 4layers, the first number is 4. The receiver receives traffic data through 4 active antennas.

Fig. 7 is a schematic view of fig. 7, where fig. 7 is a flowchart illustrating the number of antennas configured to operate in a receiver according to an embodiment of the present application. In fig. 7, a transmitter 110 and a receiver 120 are included. The receiver 120 initial state is an RRC idle state, and the receiver 120 initiates an RRC connection request to the transmitter 110. In the connection request, the receiver 120 may report to the transmitter 110 a hardware setting that itself has 4 working antennas (receiving antennas). Subsequently, the receiver 120 is in the RRC connected state. The transmitter 110 decides to employ the antenna mode of 4x4 MIMO. The transmitter 110 sends an RRC reconfiguration message to the receiver 120 indicating that the maximum number of transmission data layers is 4layers (4layers) and that the receiver needs to enter a 4x4 MIMO reception mode. The receiver 120 switches to the 4 antenna active mode.

Step 630, receiving the service data transmitted by the transmitter.

Optionally, the receiver receives the service data transmitted by the transmitter through the above working antenna.

And step 640, in response to that the attribute of the service data sent by the transmitter meets the preset condition, adjusting the number of the working antennas of the receiver from the first number to the second number.

Illustratively, the preset condition is used to indicate a communication state related to the attribute of the service data.

In communication, the attributes of different service data correspond to corresponding communication states, and when the attributes of the service data correspond to communication states with better communication quality, the minimum requirement of the number of corresponding working antennas is a. If the number of the current working antennas of the receiver is less than a, the number of the working antennas is increased to a by the receiver, so that the receiver can normally receive and analyze the service data. If the number of the current working antennas of the receiver is larger than or equal to a, the number of the working antennas is reduced to a by the receiver, and on the premise that the receiver works normally, the waste of electric energy caused by the fact that the receiver starts too many working antennas is avoided.

In the embodiment of the application, the receiver can acquire the service data sent by the transmitter and obtain the attribute of the service data. Subsequently, the receiver can compare the attributes of the acquired service data with preset conditions. And when the attribute of the service data acquired by the receiver meets the preset condition, the receiver adjusts the number of the working antennas from the first number to the second number.

In one possible approach, if the first number is the highest number of working antennas that can be currently used by the receiver, it is detected whether an attribute of the service data meets a preset condition for reducing the number of working antennas. When the preset condition is met, the receiver reduces the number of the working antennas to the second number, namely the working antennas of the receiver are reduced from the first number with a larger number to the second number with a smaller number, so that the capability of automatically reducing the number of the working antennas of the receiver under the condition that the working antennas with a larger number are not needed is realized.

In another possible manner, if the second number is the lowest number of working antennas that can be currently used by the receiver, it is detected whether the attribute of the service data meets a preset condition for increasing the number of working antennas. When the preset condition is met, the receiver increases the number of the working antennas from the first number with a smaller number to the first number with a larger number, and therefore the receiver can automatically adjust the number of the working antennas from the first number with a smaller number to the first number with a larger number in a scene where the working antennas need to work more.

In summary, in the method for switching antenna modes provided in this embodiment, the receiver first communicates with the transmitter, and after establishing the wireless communication connection, obtains the initial antenna configuration information sent by the receiver. After the receiver completes the configuration of the number of the working antennas in the initial state of the transmitter according to the initial antenna configuration information, the receiver provides electric energy according to the number of the current working antennas, and after the receiver receives the service data of the transmitter, when the attribute of the service data sent by the transmitter meets the preset condition, the receiver adjusts the number of the working antennas from the first number to the second number, so that the number of the working antennas is correspondingly adjusted according to the attribute of the service data, the number of the used antennas is reduced when the data service does not need to use a plurality of antennas, and the power consumption is reduced; when a plurality of antennas are needed in the data service, the number of the antennas is increased, the service data receiving performance of the antennas is improved, and the power consumption brought by the antennas is reduced on the premise that the performance of the receiver is ensured.

Referring to fig. 8, fig. 8 is a flowchart of a method for switching antenna modes according to another exemplary embodiment of the present application. The antenna mode switching method can be applied to the receiver shown above. In fig. 8, the method for switching the antenna mode includes:

step 811 establishes a wireless communication connection with the transmitter.

Illustratively, the execution procedure of step 811 is the same as the execution procedure of step 610, and is not described herein again.

In step 812, the initial antenna configuration information sent by the transmitter is received.

Illustratively, the execution procedure of step 812 is the same as the execution procedure of step 620, and is not described herein again.

Step 813 configures the number of active antennas of the transmitter to a first number according to the initial antenna configuration information.

Illustratively, the execution procedure of step 813 is the same as the execution procedure of step 630, and is not described herein again.

In step 814, the traffic data transmitted by the transmitter is received.

Illustratively, the execution procedure of step 814 is the same as the execution procedure of step 640, and is not described herein again.

Step 820, in response to that the attribute of the service data meets the first preset condition, adjusting the number of the working antennas of the receiver from the first number to a second number, wherein the first number is smaller than the second number.

The first preset condition is used for indicating a first communication state related to the attribute of the service data.

And step 830, in response to that the attribute of the service data meets a second preset condition, adjusting the number of the working antennas of the receiver from a first number to a second number, where the first number is greater than the second number.

The second preset condition is used for indicating a second communication state related to the attribute of the service data.

In the embodiment of the present application, the first communication state is preferable to the second communication state. It should be noted that the type of the communication parameter corresponding to the first communication state may be the same as the type of the communication parameter corresponding to the second communication state. The second preset condition may be the number of data layers scheduled by the transmitter. The receiver can adjust the number of the working antennas from the first number to the second number in response to the number of data layers scheduled by the transmitter being less than the preset number of layers. The number of data layers scheduled by the transmitter is equal to the number of data layers of the service data.

It should be noted that the number of data layers scheduled by the transmitter may be a number of lower order data layers, and the lower order data layers include 1 layer or 2 layers. Optionally, the number of data layers scheduled by the transmitter may also be a number of higher-order data layers, where the higher-order data layers include 3 layers or 4 layers.

As a possible alternative to step 830, the receiver may adjust the number of active antennas from the first number to the second number by responding to the number of data layers scheduled by the transmitter being less than a preset number of layers.

Illustratively, adjusting the number of antennas of the working antenna by the number of data layers scheduled by the transmitter can be realized by the steps (1), (2) and (3).

Step (1), in response to the signal-to-noise ratio of the channel for transmitting the service data being smaller than a first threshold, reporting first rank indication information to the transmitter.

In the embodiment of the present application, the receiver may detect the signal-to-noise ratio of the channel receiving the traffic data. When the signal-to-noise ratio of a channel for transmitting traffic data is smaller than a first threshold value, the receiver reports first rank indication information to the transmitter, wherein the first rank indication information is used for indicating a rank which can be 1 or 2 and has a lower value.

And (2) receiving the service data transmitted by the transmitter according to the first rank indication information.

It should be noted that, in the first rank indication information, the receiver only transmits one rank. In a practical application scenario, the transmitter will transmit the service data according to the first rank indication information under the indication of a plurality of consecutive same ranks. Illustratively, the plurality of same ranks may be ranks of 3, 4, 5 or other values, which is not limited in the embodiments of the present application.

For example, the first rank indication information transmitted by the receiver to the transmitter for a period of time is 1, 2, 1, and 1, respectively. Wherein the first rank indication information having a value of 2 is to be recognized as burst information by the transmitter without responding.

For example, if the first rank indication information sent by the receiver to the transmitter in a period of time is 1, 2, 1, and 1, respectively, the transmitter will send traffic data to the receiver according to the case of rank 2 when receiving the 3 rd value of 2 first rank indication information continuously sent by the receiver.

Accordingly, the receiver receives the traffic data transmitted by the transmitter.

And (3) adjusting the number of the working antennas from the first number to the second number in response to the fact that the number of the data layers of the service data is smaller than or equal to the preset number.

Illustratively, the receiver will adjust the number of active antennas according to the number of data layers of the traffic data. The number of data layers of the service data may be a number of data layers (numLayer) in DCI (Downlink Control Information).

And (4-1) restoring the number of the working antennas from the second number to the first number in response to the fact that the signal-to-noise ratio of the channel for transmitting the service data is larger than a second threshold value.

Illustratively, the receiver will obtain the signal-to-noise ratio of the channel over which the traffic data is transmitted. And when the signal-to-noise ratio of the channel for transmitting the service data is greater than a second threshold value, the receiver restores the number of the working antennas from the second number to the first number.

In case of good channel conditions, the receiver can restore the number of active antennas from the second number, which is smaller in number, to the first number.

And (4-2) in response to the fact that the attribute of the service data sent by the transmitter does not accord with the preset condition, the number of the working antennas is restored from the second number to the first number, and the attribute of the service data comprises the data layer number of the service data.

In the case of step (4-2), since the number of antennas of the current receiver is the second number, when the number of data layers of the service data is the preset number of layers, the receiver may not correctly receive the data. That is, the receiver cannot normally process the service data when the transmitter first or last several times transmits the service data, and at this time, in order for the receiver to normally process the service data, the receiver restores the number of the working antennas from the second number to the first number.

Referring to fig. 9, fig. 9 is a flowchart of antenna switching based on channel conditions or scheduling data orders according to an embodiment of the present application.

In step 911, the receiver enters an RRC Connected State (RRC Connected State).

In step 912, an RRC reconfiguration message sent by the transmitter is received.

Wherein, the RRC reconfiguration message is used to indicate that the maximum number of transmission data layers of the receiver is 4 layers.

In step 913, the receiver enters a 4 x 4MIMO state with 4 active antennas.

In step 914, the receiver is in 4 × 4MIMO state, where the 4 × 4MIMO state indicates that the transmitter includes 4 transmitting antennas in operation, and the receiver includes 4 receiving antennas in operation.

Step 915, when the SNR of the channel is greater than the third threshold, the rank reported to the transmitter by the receiver is 3 or 4, and the receiver maintains a 4 × 4MIMO state.

In step 916, the receiver determines whether the channel SNR is less than a first threshold.

Wherein, when the channel SNR is greater than or equal to the first threshold, the receiver's process flow goes to step 914.

Step 917, when the SNR of the channel is smaller than the first threshold, the rank reported by the receiver is 1 or 2.

In step 918, it is determined whether the number of data layers detected from the DCI by the receiver is a lower-order layer number (1 layer or 2 layers).

In step 919, when the number of data layers detected by the receiver from the DCI is a low-order layer number (1 layer or 2 layers), the receiver operates in a 4 × 2MIMO state with 2 antennas.

In step 920, the receiver is in a 4 x 2MIMO state with 2 active antennas.

Step 921, determine whether the number of data layers in the DCI is greater than 2.

Step 922, when the number of data layers in the DCI is greater than 2, determining whether the channel SNR is greater than a second threshold.

Wherein, when the channel SNR is greater than the second threshold, the receiver performs step 913.

Wherein, when the number of data layers detected from the DCI by the receiver is a high-order layer number (3 or 4), the receiver performs step 913.

In summary, the present embodiment can determine whether the receiver is located at multiple antennas according to the channel condition. When the channel condition is general, the transmitter continuously schedules low-order layer number (1 layer or 2 layers) data, the receiver switches to a smaller number of working antennas, and when the transmitter schedules high-order layer number (3 layers or 4 layers) data or the channel condition becomes good, the receiver switches back to a larger number of working antennas again, so that the receiver can normally receive the high-order layer number data, and the energy consumption of the multi-antenna receiver in a data receiving scene is reduced.

Based on the methods shown in the above embodiments, an embodiment of the present application further provides a method for switching an antenna mode, please refer to the following embodiments.

Referring to fig. 10, fig. 10 is a flowchart illustrating a switching of an antenna mode based on the number of data layers according to the present application. The method shown in fig. 10 may be applied to a receiver provided in the embodiment of the present application, and the method shown in fig. 10 includes:

Step 1001, a wireless communication connection is established with a transmitter.

Illustratively, the execution procedure of step 1001 is the same as the execution procedure of step 610, and is not described here again.

Step 1002, receive initial antenna configuration information sent by a transmitter.

Illustratively, the execution procedure of step 1002 is the same as the execution procedure of step 620, and is not described herein again.

Step 1003, configuring the number of working antennas of the transmitter to a first number according to the initial antenna configuration information.

Illustratively, the execution procedure of step 1003 is the same as the execution procedure of step 630, and is not described herein again.

Step 1004, receiving the service data transmitted by the transmitter.

Illustratively, the execution procedure of step 1004 is the same as the execution procedure of step 640, and is not described herein again.

Step 1011, in response to that the signal-to-noise ratio of the channel for transmitting the service data is greater than or equal to the first threshold, receiving the service data transmitted by the transmitter according to the second rank indication information, where the rank indicated by the second rank indication information is higher than the rank indicated by the first rank indication information.

Step 1012, in response to that the number of data layers of the service data is less than or equal to the preset number of layers, adjusting the number of the working antennas from the first number to the second number.

Step 1021, in response to the signal-to-noise ratio of the channel for transmitting the service data being greater than or equal to the first threshold, acquiring the data volume of the transmission block of the service data.

Step 1022, in response to that the data amount of the transmission block of the service data is smaller than the data amount threshold, adjusting the number of the working antennas from the first number to the second number.

And 1030, in response to that the target duration is greater than or equal to the duration threshold, restoring the number of the working antennas from the second number to the first number, where the target duration is the duration for which the number of the working antennas is kept at the second number.

Fig. 11 is a flowchart of a method for switching antenna modes based on the number of data layers according to the embodiment shown in fig. 10.

In step 1101, the receiver enters an RRC connected state.

Step 1102, receiving an RRC reconfiguration message transmitted by the transmitter.

In step 1103, the receiver enters a 4 x 4MIMO state with 4 active antennas.

In step 1104, the receiver is in a 4 × 4MIMO state, where the 4 × 4MIMO state indicates that the transmitter includes 4 transmitting antennas in an operating state, and the receiver includes 4 receiving antennas in an operating state.

In step 1105, when the SNR of the channel is greater than the third threshold, the receiver reports a rank of 3 or 4 to the transmitter, and the receiver maintains a 4 × 4MIMO state.

In step 1106, the receiver determines if the channel SNR is less than a first threshold.

In step 1107, when the channel SNR is greater than or equal to the first threshold, it is determined whether the number of data layers detected by the receiver from the DCI is a low-order layer number (layer 1 or layer 2).

In step 1108, when the number of data layers detected by the receiver from the DCI is a low-order layer number (1 layer or 2 layers), the receiver switches to a 4 × 2MIMO state in which the number of working antennas is 2.

In step 1109, the receiver is in 4 x 2MIMO state with 2 active antennas.

Step 1110, in response to the target duration being greater than or equal to the duration threshold, the receiver performs step 1103.

Fig. 12 is a flowchart of a method for switching antenna modes based on the number of data layers according to the embodiment shown in fig. 10.

Step 1201, receiver RRC connected state.

Step 1202, receiving an RRC reconfiguration message transmitted by a transmitter.

In step 1203, the receiver enters a 4 x 4MIMO state with 4 active antennas.

In step 1204, the receiver is in 4 × 4MIMO state, where the 4 × 4MIMO state indicates that the transmitter includes 4 transmitting antennas in an operating state, and the receiver includes 4 receiving antennas in an operating state.

Step 1205, when the channel SNR is greater than the third threshold, the receiver reports the rank to the transmitter as 3 or 4, and the receiver maintains a 4 × 4MIMO state.

In step 1206, the receiver determines whether the channel SNR is less than a first threshold.

Step 1207, when the channel SNR is greater than or equal to the first threshold, determining whether the size of the Transport Block (TB) received by the receiver is smaller than a preset threshold.

In step 1208, when the size of the transport block received by the receiver is smaller than the preset threshold, the receiver switches to a 4 × 2MIMO state with 2 working antennas.

In step 1209, the receiver is in 4 x 2MIMO with 2 active antennas.

In step 1210, in response to the target duration being greater than or equal to the duration threshold, the receiver performs step 1203.

In summary, the method for switching antenna modes according to this embodiment can determine whether to enter a mode with fewer antennas from a mode with more antennas by scheduling the number of data layers of service data by the transmitter under a better channel condition, and then switch to the mode with more antennas after a specified time period. When the number of data layers of the transmitter scheduling service data is lower, the mode that fewer antennas are still switched to be working antennas is still switched, unnecessary power consumption brought by the antennas is reduced, the antennas can not blindly maintain the work of a plurality of receiving antennas under the condition of better channel conditions, and the cruising ability of a multi-antenna receiver in the data receiving process is improved.

Illustratively, the embodiment of the application can also determine whether to enter the mode with fewer antennas from the mode with more antennas according to the size of the transmission block under the condition that the channel condition is better, and then switch to the mode with more antennas after a specified time period. In the case of smaller transport blocks, the receiver goes from the more antenna mode to the less antenna mode and then switches to the more antenna mode after a specified period of time. According to the method and the device, the antenna can maintain the work of the multiple receiving antennas in a non-blind manner under the condition of better channel conditions, so that when a transmission block in a channel is smaller, the receiver is actively switched to a mode with fewer antennas, and the energy consumption of the multi-antenna terminal is saved.

The following are embodiments of the apparatus of the present application that may be used to perform embodiments of the method of the present application. For details which are not disclosed in the embodiments of the apparatus of the present application, reference is made to the embodiments of the method of the present application.

Referring to fig. 13, fig. 13 is a block diagram of a switching device of an antenna mode according to an exemplary embodiment of the present application. The antenna mode switching means may be implemented as all or part of the terminal by software, hardware or a combination of both. The device includes:

A configuration information receiving module 1310, configured to receive initial antenna configuration information sent by the transmitter;

a quantity adjusting module 1320, configured to configure the number of working antennas of the receiver as a first quantity according to the initial antenna configuration information, where the working antennas are antennas in a working state in the receiver;

a service data receiving module 1330, configured to receive the service data sent by the transmitter;

the antenna number adjusting module 1340 is configured to adjust the number of the working antennas of the receiver from the first number to a second number in response to that the attribute of the service data sent by the transmitter meets a preset condition.

In an alternative embodiment, the preset condition involved in the apparatus is used to indicate a communication status related to an attribute of the service data.

In an optional embodiment, the antenna number adjusting module 1340 is configured to adjust the number of the working antennas of the receiver from the first number to the second number in response to that the attribute of the service data meets a first preset condition, where the first number is smaller than the second number, and the first preset condition is used to indicate a first communication state related to the attribute of the service data.

In an optional embodiment, the antenna number adjusting module 1340 is configured to adjust the number of the working antennas of the receiver from the first number to a second number in response to that an attribute of the service data meets a second preset condition, where the first number is greater than the second number, and the second preset condition is used to indicate a second communication state related to the attribute of the service data, and the first communication state is better than the second communication state.

In an optional embodiment, the antenna number adjusting module 1340 is configured to adjust the number of the working antennas from the first number to the second number in response to that the number of data layers of the service data is smaller than a preset number of layers, where an attribute of the service data includes the number of data layers scheduled by the transmitter.

In an optional embodiment, the antenna number adjusting module 1340 is configured to receive the traffic data sent by the transmitter according to rank indication information; and in response to the number of data layers of the service data being less than or equal to the preset number of layers, adjusting the number of the working antennas from the first number to the second number.

In an optional embodiment, the antenna number adjusting module 1340 is configured to report the first rank indication information to the transmitter in response to a signal-to-noise ratio of a channel for transmitting the traffic data being less than a first threshold; and receiving the service data sent by the transmitter according to the first rank indication information. Or, the antenna number adjusting module 1340 is configured to report, in response to that a signal-to-noise ratio of a channel for transmitting the service data is greater than or equal to a first threshold, second rank indication information to the transmitter; and receiving the service data sent by the transmitter according to the second rank indication information, wherein the rank indicated by the second rank indication information is higher than the rank indicated by the first rank indication information.

In an optional embodiment, the antenna number adjusting module 1340 is configured to obtain a data amount of a transmission block of the service data in response to that a signal-to-noise ratio of a channel for transmitting the service data is greater than or equal to a first threshold; and adjusting the number of the working antennas from the first number to the second number in response to the data volume of the transmission block of the service data being smaller than a data volume threshold.

In an optional embodiment, the apparatus further includes a first number recovery module, configured to recover the number of the active antennas from the second number to the first number in response to a signal-to-noise ratio of a channel transmitting the traffic data being greater than a second threshold; or, in response to that the attribute of the service data sent by the transmitter does not meet a preset condition, restoring the number of the working antennas from the second number to the first number, where the attribute of the service data includes the number of data layers of the service data.

In an optional embodiment, the apparatus further includes a second number recovery module, configured to recover the number of the working antennas from the second number to the first number in response to a target duration being greater than or equal to a duration threshold, where the target duration is a duration for which the number of the working antennas is kept at the second number.

In summary, the present embodiment can determine whether the receiver is located at multiple antennas according to the channel condition. When the channel condition is general, the transmitter continuously schedules low-order layer number (1 layer or 2 layers) data, and the receiver switches to a smaller number of working antennas, and when the transmitter schedules high-order layer number (3 layers or 4 layers) data or the channel condition becomes good, the receiver switches back to a larger number of working antennas again, so that the receiver can normally receive the high-order layer number data, and the energy consumption of the multi-antenna receiver in a data receiving scene is reduced.

Illustratively, in the embodiments of the present application, under the condition of a better channel condition, whether to enter the mode with fewer antennas from the mode with more antennas can be determined by scheduling the number of data layers of the service data by the transmitter, and then the mode with more antennas is switched after a specified time period. When the number of data layers of the service data scheduled by the transmitter is low, the mode that fewer antennas are still switched to be working antennas is still switched, unnecessary power consumption brought by the antennas is reduced, the antennas can not blindly maintain the work of a plurality of receiving antennas under the condition of good channel conditions, and the cruising ability of a multi-antenna receiver in the data receiving process is improved.

Illustratively, in the embodiments of the present application, under the condition of better channel conditions, whether to enter the mode with fewer antennas from the mode with more antennas can be determined by the size of the transport block, and then the mode with more antennas is switched to after a specified time period. In the case of smaller transport blocks, the receiver goes from the more antenna mode to the less antenna mode and then switches to the more antenna mode after a specified period of time. According to the method and the device, the antenna can maintain the work of the multiple receiving antennas in a non-blind manner under the condition of better channel conditions, so that when a transmission block in a channel is smaller, the receiver is actively switched to a mode with fewer antennas, and the energy consumption of the multi-antenna terminal is saved.

The present application further provides a computer-readable medium, which stores at least one instruction, where the at least one instruction is loaded and executed by the processor to implement the method for switching antenna modes according to the above embodiments.

It should be noted that: in the antenna mode switching apparatus provided in the foregoing embodiment, when the antenna mode switching method is executed, only the division of the functional modules is illustrated, and in practical applications, the function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to complete all or part of the functions described above. In addition, the antenna mode switching device provided in the above embodiments and the antenna mode switching method embodiment belong to the same concept, and specific implementation processes thereof are described in the method embodiment and are not described herein again.

The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.

It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.

The above description is only exemplary of the implementation of the present application and is not intended to limit the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A method for switching antenna modes, applied in a receiver, the method comprising:

receiving initial antenna configuration information sent by a transmitter;

responding to the signal-to-noise ratio of a channel for transmitting service data being smaller than a first threshold, reporting first rank indication information to the transmitter, and receiving the service data sent by the transmitter according to the first rank indication information; or, in response to that the signal-to-noise ratio of a channel for transmitting the service data is greater than or equal to the first threshold, reporting second rank indication information to the transmitter, and receiving the service data sent by the transmitter according to the second rank indication information, where a rank indicated by the second rank indication information is higher than a rank indicated by the first rank indication information;

And adjusting the number of the working antennas from the first number to a second number in response to the number of data layers of the service data being less than or equal to a preset number of layers.

2. The method of claim 1, wherein after said adjusting the number of said active antennas from said first number to a second number, said method further comprises:

restoring the number of the working antennas from the second number to the first number in response to the signal-to-noise ratio of a channel for transmitting the service data being greater than a second threshold;

or the like, or, alternatively,

and restoring the number of the working antennas from the second number to the first number in response to that the attribute of the service data sent by the transmitter does not meet a preset condition, wherein the attribute of the service data comprises the number of data layers of the service data.

3. An antenna mode switching device, applied in a receiver, the device comprising:

the configuration information receiving module is used for receiving initial antenna configuration information sent by the transmitter;

The antenna number adjusting module is used for responding to the fact that the signal-to-noise ratio of a channel for transmitting service data is smaller than a first threshold value, reporting first rank indication information to the transmitter, and receiving the service data sent by the transmitter according to the first rank indication information; or, in response to that the signal-to-noise ratio of a channel for transmitting the service data is greater than or equal to the first threshold, reporting second rank indication information to the transmitter, and receiving the service data sent by the transmitter according to the second rank indication information, where a rank indicated by the second rank indication information is higher than a rank indicated by the first rank indication information;

and the antenna number adjusting module is used for adjusting the number of the working antennas from the first number to the second number in response to the fact that the number of the data layers of the service data is less than or equal to a preset number.

4. A receiver, characterized in that it comprises a processor and a memory connected to the processor, said memory having stored thereon program instructions which, when executed by the processor, implement the method for switching antenna modes according to claim 1 or 2.

5. A computer-readable storage medium, in which program instructions are stored, which program instructions, when executed by a processor, implement the method of switching antenna modes according to claim 1 or 2.