Control channel monitoring method and device, chip, equipment and storage medium

Abstract

The embodiment of the invention discloses a control channel monitoring method and device, a chip, equipment and a storage medium, and relates to the technical field of communication. Comprising the steps that downlink control information sent by network equipment is received, the downlink control information comprises configuration selection information, and the configuration selection information is used for indicating adopted antenna switching configuration; determining the number of target receiving antennas based on the antenna switching configuration indicated by the configuration selection information; and performing control channel monitoring through the antennas with the target number of receiving antennas. By adopting the scheme provided by the embodiment of the invention, the balance between the monitoring quality and the power consumption of the control channel can be realized.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of communication technology, and in particular to a control channel monitoring method, device, chip, equipment and storage medium. Background Art

[0002] In order to improve the communication quality of the terminal device, multiple antennas are usually provided in the terminal device so as to transmit and receive signals through the multiple antennas.

[0003] In order to ensure the quality of signal reception, terminal devices usually use more receiving antennas to receive signals. However, when multiple receiving antennas are used to receive signals, the power consumption of the terminal device will increase significantly. Summary of the invention

[0004] The embodiments of the present application provide a control channel monitoring method, device, chip, equipment and storage medium. The technical solution is as follows:

[0005] On the one hand, an embodiment of the present application provides a control channel monitoring method, the method is used for a terminal device, and the method includes:

[0006] receiving downlink control information sent by a network device, wherein the downlink control information includes configuration selection information, and the configuration selection information is used to indicate an adopted antenna switching configuration;

[0007] determining a target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information;

[0008] Control channel monitoring is performed through antennas of the target number of receiving antennas.

[0009] On the other hand, an embodiment of the present application provides a control channel monitoring method, the method is used for a network device, and the method includes:

[0010] Downlink control information is sent to a terminal device, wherein the downlink control information includes configuration selection information, and the configuration selection information is used to indicate the antenna switching configuration to be adopted, so that the terminal device determines the target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information, and performs control channel monitoring through antennas with the target number of receiving antennas.

[0011] On the other hand, an embodiment of the present application provides a control channel monitoring device, the device comprising:

[0012] A receiving module, used to receive downlink control information sent by a network device, wherein the downlink control information includes configuration selection information, and the configuration selection information is used to indicate an antenna switching configuration to be adopted;

[0013] A processing module, configured to determine a target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information;

[0014] The monitoring module is used to monitor the control channel through antennas with the target receiving antenna quantity.

[0015] On the other hand, an embodiment of the present application provides a control channel monitoring device, the device comprising:

[0016] A sending module is used to send downlink control information to a terminal device, wherein the downlink control information includes configuration selection information, and the configuration selection information is used to indicate the antenna switching configuration to be adopted, so that the terminal device determines the target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information, and performs control channel monitoring through antennas with the target number of receiving antennas.

[0017] On the other hand, an embodiment of the present application provides a chip, which includes a programmable logic circuit and / or program instructions. When the chip is running, it is used to implement the control channel monitoring method described in the above aspects.

[0018] On the other hand, an embodiment of the present application provides a terminal device, which includes a processor and a memory; the memory stores at least one instruction, and the at least one instruction is used to be executed by the processor to implement the control channel monitoring method as described in the above aspect.

[0019] On the other hand, an embodiment of the present application provides a network device, which includes a processor and a memory; the memory stores at least one instruction, and the at least one instruction is used to be executed by the processor to implement the control channel monitoring method described in the above aspect.

[0020] On the other hand, an embodiment of the present application provides a computer-readable storage medium, in which at least one instruction is stored, and the instruction is loaded and executed by a processor to implement the control channel monitoring method as described in the above aspects.

[0021] On the other hand, an embodiment of the present application provides a computer program product, which includes computer instructions, and the computer instructions are stored in a computer-readable storage medium. A processor of a terminal reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the terminal executes the control channel monitoring method provided by the above aspect.

[0022] In an embodiment of the present application, the network device adds configuration selection information indicating the antenna switching configuration in the downlink control information, so that the terminal device can dynamically determine the target number of receiving antennas based on the antenna switching configuration, thereby adjusting the number of antennas used for control channel monitoring, avoiding the problem of excessive power consumption caused by using too many antennas and affecting the monitoring quality by using too few antennas, and achieving a balance between the control channel monitoring quality and power consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 is a schematic diagram of a system architecture provided by an exemplary embodiment of the present application;

[0025] Figure 2 is a flow chart of a control channel monitoring method provided by an exemplary embodiment of the present application;

[0026] Figure 3 is a flow chart of a control channel monitoring method provided by another exemplary embodiment of the present application;

[0027] Figure 4 is a schematic diagram of an implementation of a process for adjusting the number of receiving antennas shown in an exemplary embodiment of the present application;

[0028] Figure 5 is a flow chart of a control channel monitoring method provided by another exemplary embodiment of the present application;

[0029] Figure 6 is a schematic diagram of an implementation of a process for adjusting the number of receiving antennas shown in another exemplary embodiment of the present application;

[0030] Figure 7 is a flow chart of a control channel monitoring method provided by another exemplary embodiment of the present application;

[0031] Figure 8 is a schematic diagram of an implementation of a process for adjusting the number of receiving antennas shown in another exemplary embodiment of the present application;

[0032] Fig. 9 is a flow chart of a process for dynamically switching the number of antennas shown in an exemplary embodiment of the present application;

[0033] Fig.10 is a structural block diagram of a control channel monitoring device provided by an exemplary embodiment of the present application;

[0034] Fig.11 is a structural block diagram of a control channel monitoring device provided by another exemplary embodiment of the present application;

[0035] Fig.12 It is a schematic diagram of the structure of an electronic device provided by an exemplary embodiment of the present application. DETAILED DESCRIPTION

[0036] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below with reference to the accompanying drawings.

[0037] Please refer to Figure 1 , which shows a schematic diagram of a system architecture provided by an exemplary embodiment of the present application. The system architecture may include: a terminal device 10 and a network device 20.

[0038] The number of terminal devices 10 is usually multiple, and one or more terminal devices 10 may be distributed in a cell managed by each network device 20. The terminal device 10 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices, or other processing devices connected to a wireless modem, as well as various forms of user equipment (UE), mobile stations (MS), etc. For the convenience of description, in the embodiments of the present application, the above-mentioned devices are collectively referred to as terminals.

[0039] The network device 20 is a device deployed in an access network to provide wireless communication functions for the terminal device 10. The network device 20 may include various forms of macro base stations, micro base stations, relay stations, access points, etc. In systems using different wireless access technologies, the names of devices with network device functions may be different. For example, in an LTE system, it is called eNodeB or eNB; in a 5G NR system, it is called gNodeB or gNB. With the evolution of communication technology, the name "network device" may change. For the convenience of description, in the embodiments of the present application, the above-mentioned devices that provide wireless communication functions for the terminal device 10 are collectively referred to as network devices.

[0040] See also Figure 2 , Figure 2 is a flow chart of a control channel monitoring method provided by an exemplary embodiment of the present application. Figure 1 Taking the implementation environment shown as an example, the method may include the following steps.

[0041] Step 201: The network device sends downlink control information to the terminal device. The downlink control information includes configuration selection information. The configuration selection information is used to indicate the antenna switching configuration to be adopted.

[0042] In a possible implementation, the network device may send downlink control information (DCI) including configuration selection information to the terminal device in a discontinuous transmission scenario, and send downlink control information not including configuration selection information in other scenarios.

[0043] Optionally, the discontinuous transmission scenario may include a control channel monitoring skip scenario and an early paging scenario, which is not limited in the embodiments of the present application.

[0044] In a possible implementation manner, the configuration selection information may include specific antenna switching configuration parameters, and may also include a configuration identifier indicating a certain antenna switching configuration in the candidate antenna switching configurations.

[0045] It should be noted that the antenna switching configuration indicated by the configuration selection information in the downlink control information may change with the communication scenario, for example, with the change of channel quality, or with the change of the code rate of the downlink control channel.

[0046] Step 202: The terminal device receives downlink control information sent by the network device. The downlink control information includes configuration selection information. The configuration selection information is used to indicate the antenna switching configuration to be adopted.

[0047] Optionally, in a discontinuous reception scenario, the terminal device receives downlink control information sent by the network device and parses the configuration selection information therefrom.

[0048] Optionally, the configuration selection information is located in a designated field of the downlink control information, and when there is a need for antenna adjustment, the terminal device reads the configuration selection information from the designated field.

[0049] Step 203: The terminal device determines the target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information.

[0050] In a possible implementation, the terminal device may predict the channel quality of the control channel based on the antenna switching configuration indicated by the configuration selection information, and dynamically determine the target number of receiving antennas based on the channel quality.

[0051] Optionally, the terminal device may determine the target number of receiving antennas directly based on the absolute channel quality, or the terminal device may determine the target number of receiving antennas based on the number of historical receiving antennas based on the quality difference between the absolute channel quality and the historical channel quality.

[0052] Step 204: The terminal device monitors the control channel through antennas with the target number of receiving antennas.

[0053] Regarding the timing of enabling the target number of receiving antennas for control channel monitoring, in one possible implementation, in a control channel monitoring skip scenario, the terminal device determines the target number of receiving antennas during the monitoring skip period, and monitors the control channel through the target number of receiving antennas when the control channel monitoring skip is completed.

[0054] In another possible implementation, in an advance paging scenario, the terminal device determines the target number of receiving antennas during the sleep period of the advance paging, and monitors the control channel through antennas with the target number of receiving antennas after the sleep period of the advance paging ends.

[0055] To summarize, in the embodiments of the present application, the network device adds configuration selection information indicating the antenna switching configuration in the downlink control information, so that the terminal device can dynamically determine the target number of receiving antennas based on the antenna switching configuration, thereby adjusting the number of antennas used for control channel monitoring, avoiding the problem of excessive power consumption due to using too many antennas and affecting the monitoring quality due to using too few antennas, and achieving a balance between the control channel monitoring quality and power consumption.

[0056] Through experiments, it is found that when the channel quality is better, the terminal device can achieve better monitoring effect by using a small number of antennas to monitor the control channel; in addition, when the bit rate of the downlink control channel is low, the terminal device can also achieve better monitoring effect by using a small number of antennas to monitor the control channel. Therefore, considering both the channel bit rate and the channel quality, in a possible implementation, the antenna switching configuration includes at least one of signal power compensation and bit rate compensation.

[0057] Among them, the signal power compensation is used to indicate the power difference between the control signal and the reference signal, and the code rate compensation is used to characterize the difference between the expected transmission code rate of the control channel and the historical transmission code rate.

[0058] Exemplary embodiments are used below to illustrate the cases where the antenna switching configuration includes only signal power compensation, only bit rate compensation, and both signal power compensation and bit rate compensation.

[0059] See also Figure 3 , Figure 3 is a flow chart of a control channel monitoring method provided by another exemplary embodiment of the present application. Figure 1 Taking the terminal device shown as an example, the method may include the following steps.

[0060] Step 301: receiving downlink control information sent by a network device, wherein the downlink control information includes configuration selection information indicating an antenna switching configuration, wherein the antenna switching configuration includes signal power compensation.

[0061] Since the terminal device does not directly measure the control signal to evaluate the channel quality of the control channel, but indirectly predicts the channel quality of the control channel based on the measurement result of the reference signal, and the signal power of the reference signal is not completely consistent with that of the control signal, the antenna switching configuration sent by the network device includes a signal power compensation for indicating the power difference between the control signal and the reference signal.

[0062] Step 302: perform reference signal measurement to obtain a reference signal measurement result.

[0063] In a possible implementation, in a control channel monitoring skip scenario, the terminal device performs reference signal measurement during the monitoring skip period to obtain a reference signal measurement result; or, in an early paging scenario, the terminal device performs reference signal measurement during the sleep period of early paging to obtain a reference signal measurement result.

[0064] The process of the terminal device performing reference signal measurement refers to the process of performing channel quality estimation based on the downlink reference symbol in the downlink reference signal.

[0065] In some embodiments, the terminal device may measure a reference signal of a predefined type to obtain a reference signal measurement result.

[0066] In some other embodiments, the antenna switching configuration further includes a reference signal type, which is used to indicate the type of reference signal to be measured. Optionally, the reference signal type includes a synchronization signal block (SSB), a tracking reference signal (TRS), and a physical broadcast channel (PBCH), which is not limited in the embodiments of the present application.

[0067] Optionally, the reference signal measurement result includes but is not limited to a channel quality indicator (CQI), a reference signal received power (RSRP) and a signal to interference plus noise ratio (SINR). The embodiment of the present application does not limit the specific form of the reference signal measurement result.

[0068] Correspondingly, the terminal device performs reference signal measurement on the reference signal indicated by the reference signal type to obtain a reference signal measurement result.

[0069] Step 303: Determine the predicted channel quality of the control channel based on the reference signal measurement result and the signal power compensation, where the control channel is used to transmit the control signal.

[0070] Furthermore, the terminal device uses signal power compensation to perform power compensation on the reference signal measurement result of the reference signal to obtain the predicted signal quality of the control channel.

[0071] The signal power compensation is used to characterize the difference in transmission power when the network device sends a control signal and a reference signal.

[0072] In a possible implementation, the terminal device determines the predicted power of the control signal based on the reference signal measurement result and the signal power compensation, thereby determining the predicted channel quality of the control channel based on the predicted power of the control signal.

[0073] For example, when the reference signal measurement result of the reference signal is PowerMeasRS 1 , the signal compensation power between the reference signal and the control signal is PowerPDCCHtoRS 1 , predicted channel quality of the control channel PowerMeasPDCCH 1est =(PowerMeasRS 1 +PowerPDCCHtoRS 1 ).

[0074] Optionally, the predicted channel quality is an equivalent signal-to-noise ratio (SNR) or a signal-to-interference ratio (SIR) converted based on signal power.

[0075] In some embodiments, the reference signal measurement result includes SINR and RSRP, and the terminal device determines the predicted power of the control signal based on the signal power compensation and the RSRP of the reference signal, and then determines the predicted SINR of the control channel based on the predicted power and the SINR of the reference signal. The embodiments of the present application do not limit the specific calculation method for predicting channel quality.

[0076] Optionally, the predicted channel quality is used to characterize the absolute channel quality of the control channel.

[0077] Optionally, the terminal device may further determine a relative channel quality based on the historical channel quality and the absolute channel quality, wherein the relative channel quality is used to characterize the quality difference between the current predicted channel quality and the historical channel quality.

[0078] Step 304: determine the target number of receiving antennas based on the predicted channel quality.

[0079] The terminal device determines the target number of receiving antennas in different ways for absolute channel quality and relative channel quality.

[0080] In a possible implementation, when determining the target number of receiving antennas based on absolute channel quality, the terminal device queries the target number of receiving antennas corresponding to the predicted channel quality from a mapping table, where the mapping table contains a correspondence between channel quality and the number of receiving antennas.

[0081] In some embodiments, a single mapping table is provided in the terminal device.

[0082] In other embodiments, since the number of antennas used by the terminal device is also related to factors such as the terminal processing capability and the block error rate requirement, for example, the weaker the terminal processing capability, the more antennas are required, and the higher the block error rate requirement of the terminal device, the more antennas are required. Therefore, the terminal device can set multiple candidate mapping tables, and different candidate mapping tables correspond to different combinations of terminal processing capabilities and block error rate requirements.

[0083] The terminal device determines a target mapping table from the candidate mapping table according to at least one of the terminal processing capability and the block error rate requirement, and then queries the target number of receiving antennas corresponding to the predicted channel quality from the target mapping table.

[0084] Of course, the candidate mapping table can also be set based on other dimensions, such as bit rate requirements, etc., which is not limited in the embodiments of the present application.

[0085] In an illustrative example, when the code rates are 0.06 and 0.1, the block error rate requirement is 1%, and the predicted channel quality is characterized by SNR, the mapping table is shown in Table 1.

[0086] Table 1

[0087]

[0088] For example, when the code rate is 0.06 and the predicted channel quality indication control channel SNR is -5dB, the terminal device determines the target number of receiving antennas to be 2; when the code rate is 0.1 and the predicted channel quality indication control channel SNR is -5dB, the terminal device determines the target number of receiving antennas to be 3.

[0089] In another possible implementation, when determining the target number of receiving antennas based on relative channel quality, the terminal device first determines the relative channel quality based on predicted channel quality and historical channel quality, and then determines the target number of receiving antennas based on the historical number of receiving antennas and the relative channel quality.

[0090] Among them, when the relative channel quality indicates that the currently predicted channel quality is better than the historical channel quality, the terminal device reduces the number of antennas based on the historical number of receiving antennas; when the relative channel quality indicates that the currently predicted channel quality is lower than the historical channel quality, the terminal device increases the number of antennas based on the historical number of receiving antennas.

[0091] In some embodiments, the relationship between the number of historical receiving antennas, the target number of receiving antennas, and the relative channel quality can be expressed as:

[0092]

[0093] Among them, RX 0 is the number of historical receiving antennas, is the target number of receiving antennas, and the reference signal measurement result is PowerMeasRS 1 , the signal compensation power between the reference signal and the control signal is PowerPDCCHtoRS 1 ,PowerMeasPDCCH 0 The historical channel quality of the control channel (PowerMeasRS 1 +PowerPDCCHtoRS 1 -PowerMeasPDCCH 0 ) represents the relative channel quality. It should be noted that when When it is not an integer, The upward forensic result is the number of target receiving antennas.

[0094] Step 305: Control channel monitoring is performed through antennas with the target number of receiving antennas.

[0095] The implementation of this step may refer to the above step 204, and this embodiment will not be described in detail here.

[0096] In an illustrative example, Figure 4 As shown, in the initial state, the terminal device 40 monitors the control channel of the network device 41 through two antennas. When the predicted signal power is much higher than the historical signal power (the channel quality is greatly improved), the terminal device 40 reduces the number of receiving antennas to 1. When the predicted signal power is slightly higher than the historical signal power, or slightly lower than the historical signal quality (the channel quality remains basically unchanged), the terminal device 40 maintains 2 receiving antennas. When the predicted signal power is slightly lower than the historical signal power (the channel quality is slightly reduced), the terminal device 40 increases the number of receiving antennas to 3. When the predicted signal power is slightly lower than the historical signal power (the channel quality is greatly reduced), the terminal device 40 increases the number of receiving antennas to 4.

[0097] In this embodiment, the terminal device predicts the channel quality of the control channel based on the measurement results of the reference signal and the signal power compensation that characterizes the signal power difference between the reference signal and the control signal, and then determines the target number of receiving antennas based on the channel quality. It is able to reduce the number of receiving antennas when the channel quality improves, thereby reducing power consumption, and increase the number of receiving antennas when the channel quality deteriorates, thereby improving the channel monitoring quality.

[0098] See also Figure 5 , Figure 5 is a flow chart of a control channel monitoring method provided by another exemplary embodiment of the present application. Figure 1 Taking the terminal device shown as an example, the method may include the following steps.

[0099] Step 501: receiving downlink control information sent by a network device, wherein the downlink control information includes configuration selection information indicating an antenna switching configuration, wherein the antenna switching configuration includes code rate compensation.

[0100] Since the transmission bit rate of the network device is not constant, and the number of receiving antennas required by the terminal device is related to the transmission bit rate, in order to enable the terminal device to dynamically adjust the number of receiving antennas according to the transmission bit rate, the antenna switching configuration sent by the network device includes bit rate compensation, which is used to characterize the difference between the expected transmission bit rate of the control channel and the historical transmission bit rate.

[0101] Optionally, the bit rate compensation may be characterized by a logarithmic compensation decibel value.

[0102] Optionally, the expected transmission code rate may be a code rate for the first transmission after monitoring is skipped, or a code rate for the first early paging DCI transmission after the end of sleep, which is not limited in this embodiment.

[0103] In a possible implementation manner, the expected transmission code rate may be determined in at least one of the following ways:

[0104] 1. The network device determines the statistical average code rate or the maximum likelihood code rate of the same type of control channel (PDCCH) in the whole cell as the expected transmission code rate.

[0105] 2. The network device determines the statistical average code rate, maximum likelihood code rate or highest possible code rate of a single or grouped terminal control channel (PDCCH) as the expected transmission code rate, wherein the grouping method can be based on the UE grouping in the RELEASE-17 advance paging design.

[0106] Furthermore, the network device determines the code rate compensation based on the expected transmission code rate and the historical transmission code rate of the most recent control channel transmission.

[0107] Step 502: Determine the predicted channel quality of the control channel based on rate compensation.

[0108] Since the historical transmission code rate of the network device is known to the terminal device, the terminal device can determine the predicted transmission code rate based on the historical transmission code rate and code rate compensation, and then determine the predicted channel quality based on the predicted transmission code rate.

[0109] Optionally, the predicted channel quality is an equivalent signal-to-noise ratio or a signal-to-interference ratio converted based on a transmission code rate.

[0110] In a possible implementation, the terminal device compensates the historical transmission code rate based on code rate compensation to obtain the predicted transmission code rate of the control channel, thereby determining the predicted channel quality of the control channel based on the predicted transmission code rate, the historical transmission code rate and the historical channel quality of the control channel. The historical channel quality refers to the channel quality of the control channel at the historical transmission code rate.

[0111] Optionally, the predicted channel quality is used to characterize the absolute channel quality of the control channel. The predicted channel quality is negatively correlated with the predicted transmission code rate, that is, the higher the predicted transmission code rate, the worse the predicted channel quality, and the more receiving antennas need to be enabled, and the lower the predicted transmission code rate, the better the predicted channel quality, and the fewer receiving antennas need to be enabled.

[0112] Schematically, the predicted channel quality of the control channel PowerMeasPDCCH 1est =(CR_PDCCH 0 +PDCCH_CR_Change 1 ). Among them, the historical transmission code rate of the control channel is CR_PDCCH 0 , and the code rate compensation is PDCCH_CR_Change 1 .

[0113] In other possible implementations, the terminal device may also determine the relative channel quality of the control channel based on rate compensation, where the relative channel quality is used to characterize the quality difference between the predicted channel quality and the historical channel quality.

[0114] Step 503: Determine the target number of receiving antennas based on the predicted channel quality.

[0115] The terminal device determines the target number of receiving antennas in different ways for absolute channel quality and relative channel quality.

[0116] In a possible implementation, when determining the target number of receiving antennas based on absolute channel quality, the terminal device queries the target number of receiving antennas corresponding to the predicted channel quality from a mapping table, where the mapping table contains a correspondence between channel quality and the number of receiving antennas.

[0117] Optionally, since the number of antennas used by the terminal device is also related to factors such as the terminal processing capability and the block error rate requirement, for example, the weaker the terminal processing capability, the more antennas are required, and the higher the block error rate requirement of the terminal device, the more antennas are required. Therefore, the terminal device can set multiple candidate mapping tables, and different candidate mapping tables correspond to different combinations of terminal processing capabilities and block error rate requirements.

[0118] The terminal device determines a target mapping table from the candidate mapping table according to at least one of the terminal processing capability and the block error rate requirement, and then queries the target number of receiving antennas corresponding to the predicted channel quality from the target mapping table.

[0119] Of course, the candidate mapping table can also be set based on other dimensions, such as bit rate requirements, etc., which is not limited in the embodiments of the present application.

[0120] In another possible implementation, when the target number of receiving antennas is determined based on absolute channel quality, the terminal device determines relative channel quality based on predicted channel quality and historical channel quality, thereby determining the target number of receiving antennas based on historical number of receiving antennas and relative channel quality.

[0121] Among them, when the relative channel quality indicates that the currently predicted channel quality is better than the historical channel quality (caused by the reduction of the transmission code rate of the control channel), the terminal device reduces the number of antennas based on the historical number of receiving antennas. When the relative channel quality indicates that the currently predicted channel quality is lower than the historical channel quality (caused by the increase of the transmission code rate of the control channel), the terminal device increases the number of antennas based on the historical number of receiving antennas.

[0122] In some embodiments, the relationship between the number of historical receiving antennas, the target number of receiving antennas, and the relative channel quality can be expressed as:

[0123]

[0124] Among them, RX 0 is the number of historical receiving antennas, is the target number of receiving antennas, PDCCH_CR_Change 1 is the code rate compensation, which is used to characterize the change in channel quality caused by the code rate change, that is, the relative channel quality. When it is not an integer, The upward forensic result is the number of target receiving antennas.

[0125] Step 504: monitoring the control channel through antennas of the target number of receiving antennas.

[0126] The implementation of this step may refer to the above step 204, and this embodiment will not be described in detail here.

[0127] In an illustrative example, Figure 6 As shown, in the initial state, the terminal device 60 monitors the control channel of the network device 61 through two antennas. When the predicted transmission code rate is significantly higher than the historical transmission code rate (the channel quality is significantly reduced), the terminal 60 increases the number of receiving antennas to 3. When the predicted transmission code rate is slightly higher than the historical transmission code rate, or slightly lower than the historical transmission code rate (the channel quality remains basically unchanged), the terminal device 60 maintains two receiving antennas. When the predicted transmission code rate is significantly lower than the historical transmission code rate (the channel quality is significantly improved), the terminal device 60 reduces the number of receiving antennas to 1.

[0128] In this embodiment, the terminal device determines the change in channel quality of the control channel based on the bit rate compensation of the control channel sent by the network device, and then determines the target number of receiving antennas based on the change in the channel quality. It can reduce the number of receiving antennas when the transmission bit rate decreases, thereby reducing power consumption, and increase the number of receiving antennas when the transmission bit rate increases, thereby improving channel monitoring quality.

[0129] See also Figure 7 , Figure 7 is a flow chart of a control channel monitoring method provided by another exemplary embodiment of the present application. Figure 1 Taking the terminal device shown as an example, the method may include the following steps.

[0130] Step 701: receiving downlink control information sent by a network device, wherein the downlink control information includes configuration selection information indicating an antenna switching configuration, wherein the antenna switching configuration includes signal power compensation and bit rate compensation.

[0131] In this embodiment, the antenna switching configuration sent by the network device includes signal power compensation and bit rate compensation. Accordingly, the terminal device needs to perform channel quality prediction based on both signal power and bit rate.

[0132] Step 702: perform reference signal measurement to obtain a reference signal measurement result.

[0133] The implementation of the steps can refer to the above step 302, and this embodiment will not be described in detail here.

[0134] Step 703: Determine the predicted channel quality of the control channel based on the reference signal measurement result, signal power compensation and code rate compensation, where the control channel is used to transmit the control signal.

[0135] In a possible implementation, the terminal device comprehensively considers the impact of signal power on channel quality and the impact of code rate on channel quality, and comprehensively determines the predicted channel quality of the control channel.

[0136] In some embodiments, the signal power and the code rate may have the same impact on the channel quality, or the signal power and the code rate may have different impacts on the channel quality.

[0137] Optionally, the degree of influence of signal power compensation and bit rate compensation on channel quality corresponds to a first influence factor and a second influence factor respectively. Accordingly, the terminal device determines the predicted channel quality of the control channel based on the reference signal measurement result, signal power compensation, the first influence factor corresponding to the signal power, bit rate compensation and the second influence factor corresponding to the bit rate.

[0138] The first influencing factor and the second influencing factor may be the same or different.

[0139] Step 704: determine the target number of receiving antennas based on the predicted channel quality.

[0140] In one possible implementation, the terminal device determines the target number of receiving antennas based on the absolute channel quality represented by the predicted channel quality, or the terminal device determines the relative channel quality based on the predicted channel quality and the historical channel quality, thereby determining the target number of receiving antennas based on the relative channel quality and the historical number of receiving antennas.

[0141] In an illustrative example, the absolute channel quality of the control channel PowerMeasPDCCH 1est =(PowerMeasRS 1 +PowerPDCCHtoRS 1 )+(CR_PDCCH 0 +PDCCH_CR_Change 1 ), where PowerMeasRS 1 is the reference signal measurement result of the reference signal, PowerPDCCHtoRS 1 Compensate the signal power, CR_PDCCH 0 PDCCH_CR_Change is the historical transmission code rate of the control channel. 1 For bit rate compensation.

[0142] Optionally, the terminal device queries the target number of receiving antennas corresponding to the absolute channel quality from a mapping table based on the absolute channel quality.

[0143] In an illustrative example, the relationship between the number of historical receiving antennas, the target number of receiving antennas, and the relative channel quality can be expressed as:

[0144]

[0145] Among them, RX 0 is the number of historical receiving antennas, is the target number of receiving antennas, PDCCH_CR_Change 1 It is used to characterize the channel quality changes caused by the code rate change. 1 is the reference signal measurement result of the reference signal, PowerPDCCHtoRS 1 Compensate power for the signal, PowerMeasPDCCH 0 is the historical channel quality of the control channel.

[0146] Step 705: monitoring the control channel through antennas of the target number of receiving antennas.

[0147] The implementation of this step may refer to the above step 204, and this embodiment will not be described in detail here.

[0148] In an illustrative example, Figure 8 As shown, in the initial state, the terminal device 80 monitors the control channel of the network device 81 through 4 antennas. When the predicted transmission code rate is significantly lower than the historical transmission code rate, and the predicted signal power is basically consistent with the historical signal power, the terminal 80 reduces the number of receiving antennas to 3. When the predicted transmission code rate is significantly lower than the historical transmission code rate, and the predicted signal power is significantly higher than the historical signal power, the terminal 80 reduces the number of receiving antennas to 2.

[0149] Regarding the manner in which the network device indicates the specific antenna switching configuration to be adopted, in a possible implementation, the network device sends a system message to the terminal device, the system message includes an antenna switching configuration set, and the antenna switching configuration set includes at least two antenna switching configurations. Correspondingly, after receiving the system message, the terminal device parses the antenna switching configuration set from the system message and stores it.

[0150] When the downlink control information is subsequently received, the antenna switching configuration to be adopted is determined from the antenna switching configuration set according to the configuration selection information.

[0151] In an exemplary example, the signaling structure used by the network device to send the antenna switching configuration set is as follows:

[0152] LowPowerCCHAntTransitionStateSet::=

[0153] {

[0154] PDCCHAntTransitionState_0, / / The first antenna switching configuration

[0155] PDCCHAntTransitionState_1, / / The second antenna switching configuration

[0156] PDCCHAntTransitionState_2, / / The third antenna switching configuration ......

[0158] }

[0159] The signaling structure used for each antenna switching configuration is as follows:

[0160] PDCCHAntTransitionState::=

[0161] {

[0162] cell, / / Cell number

[0163] bwp-ID, / / bwp number

[0164] PowerCodeRateEstOffsetdB, / / code rate compensation

[0165] PowerMeasureRSType{TRS,SSB,PBCH}, / / reference signal type

[0166] PowerOffsetRefRSdB / / Signal power compensation

[0167] }

[0168] Regarding the method of indicating the antenna switching configuration used in the indication in the downlink control information, in a possible implementation, the indication domain field indicating the antenna switching configuration in the downlink control information is Xbits, and one or more groups of antenna switching configurations are indicated by bit mapping. For example, the indication domain field is 8bits, when the value of the indication domain field is 00010000, it means that the fifth antenna switching configuration is used, when the value of the indication domain field is 00000001, it means that the first antenna switching configuration is used, and when the value of the indication domain field is 00010001, it means that the first and fifth antenna switching configurations are used.

[0169] In another possible implementation, the indication domain field indicating the antenna switching configuration in the downlink control information is Xbits, and a group of antenna switching configurations are indicated in a logarithmic bit manner. For example, the indication domain field is 4bits, and when the value of the indication domain field is 0010, the third antenna switching configuration is adopted, and when the value of the indication domain field is 0101, the fifth antenna switching configuration is adopted.

[0170] In different scenarios, network devices send system information in different ways.

[0171] In some embodiments, in a control channel monitoring skipping scenario, the network device sends a system information block (SIB) to the terminal device, and the SIB includes an antenna switching configuration set. Correspondingly, the terminal device receives the SIB sent by the network device and parses the SIB to obtain the antenna switching configuration set.

[0172] In some other embodiments, in the early paging scenario, the network device sends a Radio Resource Control (RRC) message to the terminal device, and the RRC message includes an antenna switching configuration set. Accordingly, the terminal device receives the RRC message sent by the network device and parses the RRC message to obtain the antenna switching configuration set.

[0173] Furthermore, in different scenarios, the formats of the downlink control information sent by the network device to indicate the antenna switching configuration are also different.

[0174] In some embodiments, in a control channel monitoring skip scenario, the format of the downlink control information is DCI 0_1, DCI_0_2, DCI_1_1 or DCI_1_2; in an advance paging scenario, the format of the downlink control information is DCI_2_7.

[0175] In some embodiments, the terminal device may provide feedback to the network device on the monitoring quality after antenna switching based on the monitoring result so that the network device can adjust the bit rate or power.

[0176] In an illustrative example, Fig. 9 As shown, the process of the terminal device implementing dynamic switching of the number of antennas may include the following steps.

[0177] Step 901: The network device sends a system message to the terminal device. The system message is a SIB or RRC message, which includes an antenna switching configuration set.

[0178] Step 902: The terminal device receives a system message sent by the network device.

[0179] Step 903: In the PDCCH monitoring skip scenario, the network device sends DCI in the format of DCI 0_1, DCI_0_2, DCI_1_1 or DCI_1_2 to the terminal device, where the DCI includes the antenna switching configuration number.

[0180] Step 904: The terminal device parses the received DCI to obtain the antenna switching configuration number.

[0181] Step 905: The terminal device performs channel quality estimation based on downlink reference symbols in several time slots skipped by PDCCH monitoring.

[0182] Step 906: The terminal device determines the number of PDCCH receiving antennas based on the downlink channel quality and the antenna switching configuration.

[0183] Step 907: When the terminal device monitors the PDCCH for the first time after skipping the monitoring, the terminal device monitors the PDCCH based on the determined number of PDCCH receiving antennas.

[0184] Step 908: The terminal device receives downlink data.

[0185] Step 909: The terminal device performs HARQ reporting based on the data reception result.

[0186] Step 910: When the network device does not receive the expected HARQ report, it adjusts the PDCCH code rate and power.

[0187] Step 911, in the advance paging scenario, the network device sends a DCI in the DCI_2_7 format to the terminal device, and the DCI includes the antenna switching configuration number.

[0188] Step 912: The terminal device parses the received DCI to obtain the antenna switching configuration number.

[0189] Step 913: The terminal device performs channel quality estimation based on downlink reference symbols in the sleep state.

[0190] Step 914: The terminal device determines the number of PDCCH receiving antennas based on the downlink channel quality and antenna switching configuration.

[0191] Step 915: When the terminal device performs the first advance paging after terminating the sleep state, the terminal device performs advance paging PDCCH monitoring based on the determined number of PDCCH receiving antennas.

[0192] Step 916: The terminal device establishes an RRC connection with the network device.

[0193] Step 917: When the expected RRC connection is not established, the network device adjusts the PDCCH code rate and power.

[0194] See also Fig.10 , Fig.10 This is a structural block diagram of a control channel monitoring device provided by an exemplary embodiment of the present application. The device includes:

[0195] The receiving module 1001 is used to receive downlink control information sent by a network device, where the downlink control information includes configuration selection information, and the configuration selection information is used to indicate an antenna switching configuration to be adopted;

[0196] The processing module 1002 is configured to determine the target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information;

[0197] The monitoring module 1003 is used to monitor the control channel through antennas of the target number of receiving antennas.

[0198] Optionally, the antenna switching configuration includes at least one of signal power compensation and bit rate compensation;

[0199] The signal power compensation is used to indicate the power difference between the control signal and the reference signal, and the code rate compensation is used to characterize the difference between the expected transmission code rate and the historical transmission code rate of the control channel.

[0200] Optionally, the antenna switching configuration includes the signal power compensation;

[0201] The processing module 1002 is used to:

[0202] Performing reference signal measurement to obtain a reference signal measurement result;

[0203] determining a predicted channel quality of the control channel based on the reference signal measurement result and the signal power compensation, the control channel being used to transmit the control signal;

[0204] The target number of receiving antennas is determined based on the predicted channel quality.

[0205] Optionally, the processing module 1002 is used to:

[0206] Determining a predicted power of the control signal based on the reference signal measurement result and the signal power compensation;

[0207] The predicted channel quality of the control channel is determined based on the predicted power of the control signal.

[0208] Optionally, the antenna switching configuration further includes a reference signal type, where the reference signal type is used to indicate a type of the reference signal to be measured;

[0209] The processing module 1002 is used to:

[0210] Perform reference signal measurement on the reference signal indicated by the reference signal type to obtain the reference signal measurement result.

[0211] Optionally, the antenna switching configuration includes the bit rate compensation;

[0212] The processing module 1002 is used to:

[0213] determining a predicted channel quality of the control channel based on the rate compensation;

[0214] The target number of receiving antennas is determined based on the predicted channel quality.

[0215] Optionally, the processing module 1002 is used to:

[0216] Compensating the historical transmission code rate based on the code rate compensation to obtain the predicted transmission code rate of the control channel;

[0217] The predicted channel quality of the control channel is determined based on the predicted transmission code rate, the historical transmission code rate and the historical channel quality of the control channel.

[0218] Optionally, the antenna switching configuration includes the signal power compensation and the bit rate compensation;

[0219] The processing module 1002 is used to:

[0220] Performing reference signal measurement to obtain a reference signal measurement result;

[0221] determining a predicted channel quality of the control channel based on the reference signal measurement result, the signal power compensation, and the code rate compensation, the control channel being used to transmit the control signal;

[0222] The target number of receiving antennas is determined based on the predicted channel quality.

[0223] Optionally, the processing module 1002 is used to:

[0224] The predicted channel quality of the control channel is determined based on the reference signal measurement result, the signal power compensation, a first impact factor corresponding to the signal power, the code rate compensation, and a second impact factor corresponding to the code rate.

[0225] Optionally, the processing module 1002 is used to:

[0226] Querying the target number of receiving antennas corresponding to the predicted channel quality from a mapping table, wherein the mapping table contains a corresponding relationship between channel quality and the number of receiving antennas;

[0227] or,

[0228] The relative channel quality is determined based on the predicted channel quality and the historical channel quality; and the target number of receiving antennas is determined based on the historical number of receiving antennas and the relative channel quality.

[0229] Optionally, the processing module 1002 is used to:

[0230] Determining a target mapping table from the candidate mapping tables based on at least one of a terminal processing capability and a block error rate requirement;

[0231] The target number of receiving antennas corresponding to the predicted channel quality is queried from the target mapping table.

[0232] Optionally, the receiving module 1001 is further used for:

[0233] A system message sent by the network device is received, where the system message includes an antenna switching configuration set, and the antenna switching configuration set includes at least two of the antenna switching configurations.

[0234] Optionally, the receiving module 1001 is used to:

[0235] In a control channel monitoring skip scenario, receiving a system information block SIB sent by the network device, wherein the SIB includes the antenna switching configuration set;

[0236] or,

[0237] In the advance paging scenario, a radio resource control RRC message sent by the network device is received, and the RRC message includes the antenna switching configuration set.

[0238] Optionally, the monitoring module 1003 is used to:

[0239] When the control channel monitoring skipping is completed, the control channel monitoring is performed through the antennas of the target number of receiving antennas;

[0240] or,

[0241] After the sleep of the advance paging ends, the control channel is monitored through antennas of the target number of receiving antennas.

[0242] Optionally, in the control channel monitoring skip scenario, the format of the downlink control information is DCI 0_1, DCI_0_2, DCI_1_1 or DCI_1_2;

[0243] In the advance paging scenario, the format of the downlink control information is DCI_2_7.

[0244] See also Fig.11 , Fig.11 This is a structural block diagram of a control channel monitoring device provided by an exemplary embodiment of the present application. The device includes:

[0245] The sending module 1101 is used to send downlink control information to the terminal device, wherein the downlink control information includes configuration selection information, and the configuration selection information is used to indicate the antenna switching configuration to be adopted, so that the terminal device determines the target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information, and performs control channel monitoring through the antennas of the target number of receiving antennas.

[0246] Optionally, the antenna switching configuration includes at least one of signal power compensation and bit rate compensation;

[0247] The signal power compensation is used to indicate the power difference between the control signal and the reference signal, and the code rate compensation is used to characterize the difference between the expected transmission code rate and the historical transmission code rate of the control channel.

[0248] Optionally, the sending module 1101 is further used for:

[0249] A system message is sent to the terminal device, wherein the system message includes an antenna switching configuration set, and the antenna switching configuration set includes at least two of the antenna switching configurations.

[0250] Optionally, the sending module 1101 is used to:

[0251] In the control channel monitoring skipping scenario, a system information block SIB is sent to the terminal device, wherein the SIB includes the antenna switching configuration set;

[0252] or,

[0253] In the advance paging scenario, a radio resource control RRC message is sent to the terminal device, and the RRC message includes the antenna switching configuration set.

[0254] Optionally, in the control channel monitoring skip scenario, the format of the downlink control information is DCI 0_1, DCI_0_2, DCI_1_1 or DCI_1_2;

[0255] In the advance paging scenario, the format of the downlink control information is DCI_2_7.

[0256] Fig.12 1 is a schematic diagram of the structure of an electronic device provided by an exemplary embodiment of the present application. The electronic device may be a terminal device or a network device in the above embodiment. The electronic device may also include one or more of the following components: a processor 1210 and a memory 1220.

[0257] Optionally, the processor 1210 uses various interfaces and lines to connect various parts of the entire electronic device, and executes various functions of the electronic device and processes data by running or executing instructions, programs, code sets or instruction sets stored in the memory 1220, and calling data stored in the memory 1220. Optionally, the processor 1210 can 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 1210 can integrate one or a combination of a central processing unit (CPU), a graphics processing unit (GPU), a neural network processor (NPU), and a baseband chip. Among them, the CPU mainly processes the operating system, user interface, and application programs; the GPU is responsible for rendering and drawing the content to be displayed on the touch display; the NPU is used to implement artificial intelligence (AI) functions; and the baseband chip is used to process wireless communications. It is understandable that the above-mentioned baseband chip may not be integrated into the processor 1210, but may be implemented by a separate chip.

[0258] The memory 1220 may include a random access memory (RAM) or a read-only memory (ROM). Optionally, the memory 1220 includes a non-transitory computer-readable storage medium. The memory 1220 may be used to store instructions, programs, codes, code sets, or instruction sets. The memory 1220 may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playback function, an image playback function, etc.), instructions for implementing the above-mentioned various method embodiments, etc.; the data storage area may store data created according to the use of the electronic device (such as audio data, a phone book), etc.

[0259] In addition, those skilled in the art will appreciate that the structure of the electronic device shown in the above figures does not constitute a limitation on the electronic device, and the electronic device may include more or fewer components than shown in the figures, or a combination of certain components, or a different arrangement of components.

[0260] An embodiment of the present application further provides a chip, which includes a programmable logic circuit and / or program instructions. When the chip is running, it is used to implement the control channel monitoring method as described in the above aspects.

[0261] The embodiment of the present application also provides a computer-readable storage medium, in which at least one instruction is stored, and the at least one instruction is loaded and executed by a processor to implement the method described in the above embodiment. Optionally, the computer-readable storage medium may include: ROM, RAM, solid state drive (SSD, Solid State Drives) or optical disk, etc. Among them, RAM may include resistance random access memory (ReRAM, Resistance Random Access Memory) and dynamic random access memory (DRAM, Dynamic Random Access Memory).

[0262] The embodiment of the present application also provides a computer program product or a computer program, which includes a computer instruction stored in a computer-readable storage medium. The processor of the computer device reads the computer instruction from the computer-readable storage medium, and the processor executes the computer instruction, so that the computer device executes the method provided in various optional implementations of the above aspects.

[0263] The above description is only an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A control channel monitoring method, characterized in that: The method is used for a terminal device, and the method comprises: receiving downlink control information sent by a network device, wherein the downlink control information includes configuration selection information, and the configuration selection information is used to indicate an adopted antenna switching configuration; determining a target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information; Control channel monitoring is performed through antennas of the target number of receiving antennas.

2. The method according to claim 1, characterized in that The antenna switching configuration includes at least one of signal power compensation and bit rate compensation; The signal power compensation is used to indicate the power difference between the control signal and the reference signal, and the code rate compensation is used to characterize the difference between the expected transmission code rate and the historical transmission code rate of the control channel.

3. The method according to claim 2, characterized in that The antenna switching configuration includes the signal power compensation; The determining the target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information includes: Performing reference signal measurement to obtain a reference signal measurement result; determining a predicted channel quality of the control channel based on the reference signal measurement result and the signal power compensation, the control channel being used to transmit the control signal; The target number of receiving antennas is determined based on the predicted channel quality.

4. The method according to claim 3, characterized in that The determining, based on the reference signal measurement result and the signal power compensation, the predicted channel quality of the control channel comprises: Determining a predicted power of the control signal based on the reference signal measurement result and the signal power compensation; The predicted channel quality of the control channel is determined based on the predicted power of the control signal.

5. The method according to claim 3, characterized in that: The antenna switching configuration further includes a reference signal type, where the reference signal type is used to indicate the type of the reference signal to be measured; The performing reference signal measurement to obtain a reference signal measurement result includes: Perform reference signal measurement on the reference signal indicated by the reference signal type to obtain the reference signal measurement result.

6. The method according to claim 2, characterized in that The antenna switching configuration includes the bit rate compensation; The determining the target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information includes: determining a predicted channel quality of the control channel based on the rate compensation; The target number of receiving antennas is determined based on the predicted channel quality.

7. The method according to claim 6, characterized in that The determining the predicted channel quality of the control channel based on the rate compensation comprises: Compensating the historical transmission code rate based on the code rate compensation to obtain the predicted transmission code rate of the control channel; The predicted channel quality of the control channel is determined based on the predicted transmission code rate, the historical transmission code rate, and the historical channel quality of the control channel.

8. The method according to claim 2, characterized in that: The antenna switching configuration includes the signal power compensation and the bit rate compensation; The determining the target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information includes: Performing reference signal measurement to obtain a reference signal measurement result; determining a predicted channel quality of the control channel based on the reference signal measurement result, the signal power compensation and the code rate compensation, the control channel being used to transmit the control signal; The target number of receiving antennas is determined based on the predicted channel quality.

9. The method according to claim 8, characterized in that The determining the predicted channel quality of the control channel based on the reference signal measurement result, the signal power compensation and the code rate compensation includes: The predicted channel quality of the control channel is determined based on the reference signal measurement result, the signal power compensation, a first impact factor corresponding to the signal power, the code rate compensation, and a second impact factor corresponding to the code rate.

10. The method according to claim 3, 6 or 8, characterized in that: The determining the target number of receiving antennas based on the predicted channel quality includes: Querying the target number of receiving antennas corresponding to the predicted channel quality from a mapping table, wherein the mapping table contains a corresponding relationship between channel quality and the number of receiving antennas; or, The relative channel quality is determined based on the predicted channel quality and the historical channel quality; and the target number of receiving antennas is determined based on the historical number of receiving antennas and the relative channel quality.

11. The method according to claim 10, characterized in that The querying the target number of receiving antennas corresponding to the predicted channel quality from a mapping table includes: Determining a target mapping table from the candidate mapping tables based on at least one of a terminal processing capability and a block error rate requirement; The target number of receiving antennas corresponding to the predicted channel quality is queried from the target mapping table.

12. The method according to claim 1, characterized in that The method further comprises: A system message sent by the network device is received, where the system message includes an antenna switching configuration set, and the antenna switching configuration set includes at least two of the antenna switching configurations.

13. The method according to claim 12, characterized in that The receiving a system message sent by the network device includes: In a control channel monitoring skip scenario, receiving a system information block SIB sent by the network device, wherein the SIB includes the antenna switching configuration set; or, In the advance paging scenario, a radio resource control RRC message sent by the network device is received, and the RRC message includes the antenna switching configuration set.

14. The method according to claim 1, characterized in that The monitoring of the control channel by using the antennas of the target receiving antenna number includes: When the control channel monitoring skipping is completed, the control channel monitoring is performed through the antennas of the target number of receiving antennas; or, After the sleep of the advance paging ends, the control channel is monitored through antennas of the target number of receiving antennas.

15. The method according to claim 1, characterized in that In the control channel monitoring skip scenario, the format of the downlink control information is DCI 0_1, DCI_0_2, DCI_1_1 or DCI_1_2; In the advance paging scenario, the format of the downlink control information is DCI_2_7.

16. A control channel monitoring method, characterized in that: The method is used for a network device, and the method comprises: Downlink control information is sent to a terminal device, wherein the downlink control information includes configuration selection information, and the configuration selection information is used to indicate the antenna switching configuration to be adopted, so that the terminal device determines the target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information, and performs control channel monitoring through antennas with the target number of receiving antennas.

17. The method according to claim 16, characterized in that The antenna switching configuration includes at least one of signal power compensation and bit rate compensation; The signal power compensation is used to indicate the power difference between the control signal and the reference signal, and the code rate compensation is used to characterize the difference between the expected transmission code rate and the historical transmission code rate of the control channel.

18. The method according to claim 16, characterized in that The method further comprises: A system message is sent to the terminal device, wherein the system message includes an antenna switching configuration set, and the antenna switching configuration set includes at least two of the antenna switching configurations.

19. The method according to claim 18, characterized in that The sending of a system message to the terminal device includes: In the control channel monitoring skipping scenario, a system information block SIB is sent to the terminal device, wherein the SIB includes the antenna switching configuration set; or, In the advance paging scenario, a radio resource control RRC message is sent to the terminal device, and the RRC message includes the antenna switching configuration set.

20. The method according to claim 16, characterized in that In the control channel monitoring skip scenario, the format of the downlink control information is DCI 0_1, DCI_0_2, DCI_1_1 or DCI_1_2; In the advance paging scenario, the format of the downlink control information is DCI_2_7.

21. A control channel monitoring device, characterized in that: The device comprises: A receiving module, used to receive downlink control information sent by a network device, wherein the downlink control information includes configuration selection information, and the configuration selection information is used to indicate an antenna switching configuration to be adopted; A processing module, configured to determine a target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information; The monitoring module is used to monitor the control channel through antennas with the target receiving antenna quantity.

22. A control channel monitoring device, characterized in that: The device comprises: A sending module is used to send downlink control information to a terminal device, wherein the downlink control information includes configuration selection information, and the configuration selection information is used to indicate the antenna switching configuration to be adopted, so that the terminal device determines the target number of receiving antennas based on the antenna switching configuration indicated by the configuration selection information, and performs control channel monitoring through antennas with the target number of receiving antennas.

23. A chip, characterized in that: The chip includes a programmable logic circuit and / or program instructions, and when the chip is running, it is used to implement the control channel monitoring method as described in any one of claims 1 to 15, or to implement the control channel monitoring method as described in any one of claims 16 to 20.

24. A terminal device, characterized in that: The terminal device includes a processor and a memory; the memory stores at least one instruction, and the at least one instruction is used to be executed by the processor to implement the control channel monitoring method as described in any one of claims 1 to 15.

25. A network device, characterized in that: The network device includes a processor and a memory; the memory stores at least one instruction, and the at least one instruction is used to be executed by the processor to implement the control channel monitoring method according to any one of claims 16 to 20.

26. A computer-readable storage medium, characterized in that: The storage medium stores at least one instruction, and the at least one instruction is used to be executed by a processor to implement the control channel monitoring method as described in any one of claims 1 to 15, or to implement the control channel monitoring method as described in any one of claims 16 to 20.

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