Beam management method and device, electronic equipment, chip and medium

Abstract

The invention relates to a beam management method and device, electronic equipment, a chip and a medium, and the method comprises the steps: receiving channel state information (CSI) report configuration information of network equipment; the CSI reports configuration information, and indicates a parameter to be measured and a reference signal resource used for beam measurement; the to-be-measured parameter comprises a demodulated signal-to-noise ratio; performing post-demodulation signal-to-noise ratio measurement processing on the to-be-measured beam in combination with the reference signal resource to obtain a post-demodulation signal-to-noise ratio value of the to-be-measured beam; selecting a to-be-reported beam from the to-be-measured beams in combination with the demodulated signal-to-noise ratio value; and carrying out beam reporting processing in combination with the to-be-reported beam. Wherein the wave beam selection processing is carried out in combination with the demodulated signal-to-noise ratio, and the actual demodulation capability of the wave beam on the channel can be considered, so that the signal quality of the selected wave beam can be ensured, and the wave beam management efficiency can be improved.

Description

Technical Field

[0001] The present disclosure relates to the field of communication technology, and in particular to a beam management method, device, electronic device, chip and medium. Background Art

[0002] In the current beam management method, the channel state information (CSI) received by the terminal device reports the configuration information indicating the reference signal received power (L1 Received Signal Strength Indicator, L1-RSRP) of layer 1; the terminal device selects the beam to be reported from multiple beams according to the measured L1-RSRP value, and performs reporting processing.

[0003] In the above scheme, it is difficult to ensure the signal quality of the selected beam by combining the L1-RSRP numerical evaluation and the beam selection, and the beam management efficiency is poor. Summary of the invention

[0004] The present disclosure provides a beam management method, device, electronic device, chip and medium.

[0005] According to a first aspect of an embodiment of the present disclosure, a beam management method is provided, the method comprising: receiving channel state information CSI report configuration information of a network device; the CSI report configuration information indicates a parameter to be measured and a reference signal resource for beam measurement; the parameter to be measured comprises a demodulated signal-to-noise ratio; performing a demodulated signal-to-noise ratio measurement process on the beam to be measured in combination with the reference signal resource to obtain a demodulated signal-to-noise ratio value of the beam to be measured; selecting a beam to be reported from the beam to be measured in combination with the demodulated signal-to-noise ratio value; and performing a beam reporting process in combination with the beam to be reported.

[0006] In one embodiment of the present disclosure, the parameter to be measured also includes noise-related parameters; the method also includes: performing noise-related parameter measurement processing on the beam to be measured in combination with the reference signal resource to obtain a noise-related parameter value of the beam to be measured; and selecting the beam to be reported from the beam to be measured in combination with the demodulated signal-to-noise ratio value includes: selecting the beam to be reported from the beam to be measured in combination with the demodulated signal-to-noise ratio value and the noise-related parameter value.

[0007] In one embodiment of the present disclosure, there is a correlation between the noise-related parameter and the demodulated signal-to-noise ratio; the method further includes: determining a target demodulated signal-to-noise ratio value in combination with the noise-related parameter value, the demodulated signal-to-noise ratio value, and a complementary filtering algorithm; and updating the demodulated signal-to-noise ratio value according to the target demodulated signal-to-noise ratio value.

[0008] In one embodiment of the present disclosure, the selecting the beam to be reported from the beam to be measured in combination with the demodulated signal-to-noise ratio value and the noise-related parameter value includes: determining a demodulated signal-to-noise ratio weight and a noise-related parameter weight; performing weighted processing on the demodulated signal-to-noise ratio value and the noise-related parameter value in combination with the demodulated signal-to-noise ratio weight and the noise-related parameter weight to obtain a measurement score of the beam to be measured; sorting each of the beams to be measured according to the measurement score to obtain a sorting result; and selecting the beam to be reported from the beams to be measured according to the sorting result.

[0009] In one embodiment of the present disclosure, determining the post-demodulation signal-to-noise ratio weight and the noise-related parameter weight includes: obtaining performance-related parameters of a terminal device that receives the CSI report configuration information; determining scenario information of the terminal device in combination with the performance-related parameters; and obtaining the post-demodulation signal-to-noise ratio weight and the noise-related parameter weight corresponding to the scenario information.

[0010] In one embodiment of the present disclosure, the noise-related parameter includes at least one of the following: white noise, noise covariance, and interference plus noise.

[0011] In one embodiment of the present disclosure, the beam reporting processing in combination with the beam to be reported includes: adding the beam identifier of the beam to be reported to a designated beam subset among multiple beam subsets; reporting the multiple beam subsets to the network device, and reporting a CSI report; the CSI report carries the identifier of the designated beam subset, instructing the network device to obtain the beam to be reported from the designated beam subset, and performing beam scheduling processing in combination with the beam to be reported.

[0012] In one embodiment of the present disclosure, the CSI report also includes the value of the parameter to be measured of the beam to be reported, and a reference signal used to measure the value of the parameter to be measured.

[0013] In one embodiment of the present disclosure, the reference signal resource includes at least one of the following: a CSI reference signal and a synchronization signal block SSB.

[0014] According to the second aspect of an embodiment of the present disclosure, a beam management method is also provided, the method comprising: sending channel state information CSI report configuration information to a terminal device; the CSI report configuration information indicates parameters to be measured and reference signal resources used for beam measurement; the parameters to be measured include a demodulated signal-to-noise ratio and / or noise-related parameters; receiving a CSI report from the terminal device; the CSI report includes a beam to be reported; the beam to be reported is selected from the beam to be measured in combination with a demodulated signal-to-noise ratio value and / or a noise-related parameter value; and beam scheduling processing is performed according to the beam to be reported.

[0015] According to a third aspect of an embodiment of the present disclosure, a beam management device is also provided, comprising: a receiving module, used to receive channel state information CSI report configuration information of a network device; the CSI report configuration information indicates a parameter to be measured and a reference signal resource for beam measurement; the parameter to be measured includes a demodulated signal-to-noise ratio; a measurement processing module, used to perform a demodulated signal-to-noise ratio measurement process on the beam to be measured in combination with the reference signal resource, to obtain a demodulated signal-to-noise ratio value of the beam to be measured; a selection module, used to select a beam to be reported from the beam to be measured in combination with the demodulated signal-to-noise ratio value; and a reporting processing module, used to perform beam reporting processing in combination with the beam to be reported.

[0016] In one embodiment of the present disclosure, the parameters to be measured also include noise-related parameters; the measurement processing module is also used to perform noise-related parameter measurement processing on the beam to be measured in combination with the reference signal resource to obtain the noise-related parameter value of the beam to be measured; the selection module is specifically used to select the beam to be reported from the beam to be measured in combination with the demodulated signal-to-noise ratio value and the noise-related parameter value.

[0017] In one embodiment of the present disclosure, there is a correlation between the noise-related parameter and the demodulated signal-to-noise ratio; the device further includes: a determination module and an update processing module; the determination module is used to determine a target demodulated signal-to-noise ratio value by combining the noise-related parameter value, the demodulated signal-to-noise ratio value and a complementary filtering algorithm; the update processing module is used to update the demodulated signal-to-noise ratio value according to the target demodulated signal-to-noise ratio value.

[0018] In one embodiment of the present disclosure, the selection module includes a determination unit, a weighted processing unit, a sorting processing unit and a selection unit; the determination unit is used to determine the demodulated signal-to-noise ratio weight and the noise-related parameter weight; the weighted processing unit is used to perform weighted processing on the demodulated signal-to-noise ratio value and the noise-related parameter value in combination with the demodulated signal-to-noise ratio weight and the noise-related parameter weight to obtain the measurement score of the beam to be measured; the sorting processing unit is used to sort each of the beams to be measured according to the measurement score to obtain a sorting result; the selection unit is used to select the beam to be reported from the beams to be measured according to the sorting result.

[0019] In one embodiment of the present disclosure, the determination unit is specifically used to obtain performance-related parameters of a terminal device that receives the CSI report configuration information; determine scenario information of the terminal device in combination with the performance-related parameters; and obtain a post-demodulation signal-to-noise ratio weight and a noise-related parameter weight corresponding to the scenario information.

[0020] In one embodiment of the present disclosure, the noise-related parameter includes at least one of the following: white noise, noise covariance, and interference plus noise.

[0021] In one embodiment of the present disclosure, the reporting processing module is specifically used to add the beam identifier of the beam to be reported to a designated beam subset among multiple beam subsets; report the multiple beam subsets to the network device, and report a CSI report; the CSI report carries the identifier of the designated beam subset, instructing the network device to obtain the beam to be reported from the designated beam subset, and perform beam scheduling processing in combination with the beam to be reported.

[0022] In one embodiment of the present disclosure, the CSI report also includes the value of the parameter to be measured of the beam to be reported, and a reference signal used to measure the value of the parameter to be measured.

[0023] In one embodiment of the present disclosure, the reference signal resource includes at least one of the following: a CSI reference signal and a synchronization signal block SSB.

[0024] According to the fourth aspect of the embodiments of the present disclosure, a beam management device is also provided, comprising: a sending module, used to send channel state information CSI report configuration information to a terminal device; the CSI report configuration information indicates the parameters to be measured and the reference signal resources used for beam measurement; the parameters to be measured include the demodulated signal-to-noise ratio and / or noise-related parameters; a receiving module, used to receive a CSI report of the terminal device; the CSI report includes a beam to be reported; the beam to be reported is selected from the beam to be measured in combination with the demodulated signal-to-noise ratio value and / or the noise-related parameter value; a scheduling processing module, used to perform beam scheduling processing according to the beam to be reported.

[0025] According to the fifth aspect of an embodiment of the present disclosure, a beam management system is also provided, which includes a terminal device and a network device that are communicatively connected; the terminal device is used to execute the beam management method as described in the first aspect; and the network device is used to execute the beam management method as described in the second aspect.

[0026] According to the sixth aspect of an embodiment of the present disclosure, there is also provided an electronic device, comprising: a processor; and a memory for storing instructions executable by the processor; wherein the processor is configured to: implement the steps of the beam management method as described above.

[0027] According to the seventh aspect of an embodiment of the present disclosure, a non-temporary computer-readable storage medium is also provided. When the instructions in the storage medium are executed by a processor, the processor is enabled to perform the beam management method as described above.

[0028] According to the eighth aspect of the embodiments of the present disclosure, a chip is also provided, comprising one or more interface circuits and one or more processors; the interface circuit is used to receive a signal, the signal comprising a computer instruction, and when the processor executes the computer instruction, the chip executes the beam management method as described above.

[0029] The technical solution provided by the embodiments of the present disclosure brings at least the following beneficial effects:

[0030] By receiving the channel state information CSI report configuration information of the network device; the CSI report configuration information indicates the parameters to be measured and the reference signal resources used for beam measurement; the parameters to be measured include the demodulated signal-to-noise ratio; the demodulated signal-to-noise ratio measurement processing is performed on the beam to be measured in combination with the reference signal resource to obtain the demodulated signal-to-noise ratio value of the beam to be measured; the beam to be reported is selected from the beam to be measured in combination with the demodulated signal-to-noise ratio value; the beam reporting processing is performed in combination with the beam to be reported; wherein, the beam selection processing is performed in combination with the demodulated signal-to-noise ratio, which can take into account the actual demodulation capability of the beam on the channel, thereby ensuring the signal quality of the selected beam and improving the beam management efficiency.

[0031] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The drawings herein are incorporated into and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the description are used to explain the principles of the present disclosure, and do not constitute improper limitations on the present disclosure.

[0033] Figure 1 A flowchart of a beam management method according to an embodiment of the present disclosure;

[0034] Figure 2 A flowchart of a beam management method according to another embodiment of the present disclosure;

[0035] Figure 3 A flowchart of a beam management method according to another embodiment of the present disclosure;

[0036] Figure 4 A schematic diagram of the structure of a beam management device according to an embodiment of the present disclosure;

[0037] Figure 5 It is a structural schematic diagram of a beam management device according to another embodiment of the present disclosure;

[0038] Figure 6 is a structural block diagram of an electronic device according to an exemplary embodiment of the present disclosure;

[0039] Figure 7 The figure is a schematic diagram of the structure of a chip according to an embodiment of the present disclosure. DETAILED DESCRIPTION

[0040] In order to enable ordinary persons in the art to better understand the technical solutions of the present disclosure, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings.

[0041] It should be noted that the terms "first", "second", etc. in the specification and claims of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0042] In the current beam management method, the channel state information CSI report configuration information received by the terminal device indicates the reference signal received power L1-RSRP of layer 1; the terminal device selects the beam to be reported from multiple beams according to the measured L1-RSRP value, and performs reporting processing.

[0043] In the above scheme, it is difficult to ensure the signal quality of the selected beam by combining the L1-RSRP numerical evaluation and the beam selection, and the beam management efficiency is poor.

[0044] Figure 1 The flowchart of a beam management method of an embodiment of the present disclosure is as follows. It should be noted that the beam management method of the present embodiment can be applied to a beam management device, which can be configured in an electronic device or a chip so that the electronic device or the chip can perform a beam management function.

[0045] Among them, the electronic device can be any device with computing capabilities, such as a personal computer (PC), a mobile terminal, a terminal device, a server, etc. The mobile terminal can be, for example, a vehicle-mounted device, a mobile phone, a tablet computer, a personal digital assistant, a wearable device, and other hardware devices with various operating systems, touch screens and / or display screens.

[0046] In addition, the beam management device may also be software in an electronic device, etc. The software may be, for example, beam management software, etc. In the following embodiments, the execution subject is an example of a terminal device.

[0047] like Figure 1 As shown, the method comprises the following steps:

[0048] Step 101, receiving channel state information CSI report configuration information of a network device; the CSI report configuration information indicates parameters to be measured and reference signal resources for beam measurement; the parameters to be measured include a demodulated signal-to-noise ratio.

[0049] In the embodiment of the present disclosure, the CSI report configuration information may include a resource set identifier and a beam management report mode type, wherein the resource set identifier indicates a reference signal resource used for beam measurement, and the beam management report mode type indicates a parameter to be measured.

[0050] The post-demodulation signal-to-noise ratio refers to the ratio between the signal power and the noise power after the reference signal is demodulated.

[0051] In the embodiments of the present disclosure, the terminal device and the network device that receive the CSI report configuration information may be devices in a wireless communication system, such as a wireless cellular system, a satellite communication system, a microwave communication system, etc., such as a millimeter wave communication system, etc.

[0052] Step 102 : performing post-demodulation signal-to-noise ratio measurement processing on the beam to be measured in combination with the reference signal resource to obtain a post-demodulation signal-to-noise ratio value of the beam to be measured.

[0053] In the embodiment of the present disclosure, the reference signal resource may include at least one of the following: a CSI reference signal (Channel State Information Reference Signal, CSI-RS), a synchronization signal block (Synchronization Signal / PBCH Block, SSB). In addition, the reference signal resource may also be any reference signal resource that can be used for beam measurement, which is not specifically limited here and can be set and processed according to actual needs.

[0054] In one example, the reference signal resource is a CSI reference signal. The process of the terminal device executing step 102 may be, for example, receiving the CSI reference signal sent by the network device through the beam to be measured; sending the received CSI reference signal to the demodulator for demodulation processing to obtain a demodulated signal; performing signal power measurement processing and noise power measurement processing on the demodulated signal to obtain the signal power and noise power of the demodulated signal; and determining the value of the demodulated signal-to-noise ratio by combining the signal power, noise power and a preset signal-to-noise ratio calculation formula.

[0055] The preset signal-to-noise ratio calculation formula can be shown in the following formula (1).

[0056]

[0057] Among them, SNR represents the signal-to-noise ratio after demodulation; P signal Represents the signal power of the demodulated signal; P noise Represents the noise power of the demodulated signal.

[0058] The larger the value of the demodulated signal-to-noise ratio is, the better the quality of the CSI reference signal is and the smaller the noise interference is.

[0059] In another example, the reference signal resource is a synchronization signal block. The process of the terminal device executing step 102 may be, for example, receiving the synchronization signal block sent by the network device through the beam to be measured; sending the received synchronization signal block to the demodulator for demodulation processing to obtain a demodulated signal; performing signal power measurement processing and noise power measurement processing on the demodulated signal to obtain the signal power and noise power of the demodulated signal; and determining the value of the demodulated signal-to-noise ratio by combining the signal power, the noise power and the preset signal-to-noise ratio calculation formula.

[0060] Among them, the setting of multiple reference signal resources enables the terminal equipment to select appropriate reference signal resources for beam measurement processing according to actual needs, thereby improving the flexibility of beam measurement and further improving the efficiency of beam measurement.

[0061] Step 103 : Select a beam to be reported from the beams to be measured in combination with the demodulated signal-to-noise ratio value.

[0062] In an embodiment of the present disclosure, in one example, the process of the terminal device executing step 103 may be, for example, to sort each beam to be measured in descending order based on the signal-to-noise ratio value after demodulation to obtain a sorting result; and determine a certain number of beams to be measured that are ranked at the top of the sorting result as beams to be reported.

[0063] In another example, the process of the terminal device executing step 103 may be, for example, to sort each beam to be measured in ascending order based on the signal-to-noise ratio value after demodulation to obtain a sorting result; and determine a certain number of beams to be measured that are sorted at the end of the sorting result as beams to be reported.

[0064] In another example, the process of the terminal device executing step 103 may be, for example, for each beam to be measured in turn, when the demodulated signal-to-noise ratio value of the beam to be measured is greater than or equal to a preset numerical threshold, determining the beam to be measured as the beam to be reported; when it is determined that the number of beams to be reported is greater than or equal to a certain number, stopping the judgment and determination process.

[0065] Step 104: Perform beam reporting processing in combination with the beam to be reported.

[0066] In the embodiment of the present disclosure, the process of the terminal device executing step 104 may, for example, include adding the beam identifier of the beam to be reported to a specified beam subset among multiple beam subsets; reporting multiple beam subsets to the network device, and reporting a CSI report; the CSI report carries the identifier of the specified beam subset, instructing the network device to obtain the beam to be reported from the specified beam subset, and performing beam scheduling processing in combination with the beam to be reported.

[0067] Among them, multiple beam subsets and CSI reports can be carried in different messages for reporting. Among them, there are already protocols that stipulate a reporting method for multiple beam subsets. Before reporting multiple beam subsets, the terminal device can select a beam subset from multiple beam subsets as a designated beam subset, and add the selected beam identifier of the beam to be reported to the designated beam subset.

[0068] The CSI report may also include the measured parameter values ​​of the beam to be reported, and the reference signal used to measure the parameter values. The reporting of the reference signal and the parameter values ​​to be measured enables the network device to comprehensively consider the measured parameter values ​​of the beam to be reported reported by each terminal device when performing beam scheduling for multiple terminal devices, thereby improving the beam management efficiency and beam scheduling efficiency for multiple terminal devices.

[0069] Among them, by reusing the existing beam subsets and performing reporting processing on the beams to be reported, the amount of data in the CSI report can be reduced, thereby improving the reporting efficiency of the CSI report, thereby further improving the beam management efficiency.

[0070] In the beam management method of the embodiment of the present disclosure, channel state information CSI report configuration information of a network device is received; the CSI report configuration information indicates the parameters to be measured and the reference signal resources used for beam measurement; the parameters to be measured include the demodulated signal-to-noise ratio; the demodulated signal-to-noise ratio measurement processing is performed on the beam to be measured in combination with the reference signal resource to obtain the demodulated signal-to-noise ratio value of the beam to be measured; the beam to be reported is selected from the beam to be measured in combination with the demodulated signal-to-noise ratio value; beam reporting processing is performed in combination with the beam to be reported; wherein, the beam selection processing is performed in combination with the demodulated signal-to-noise ratio, which can take into account the actual demodulation capability of the beam on the channel, thereby ensuring the signal quality of the selected beam and improving the beam management efficiency.

[0071] Figure 2 This is a flow chart of a beam management method according to another embodiment of the present disclosure. It should be noted that the beam management method according to this embodiment can be applied to a beam management device, which can be configured in an electronic device or a chip so that the electronic device or the chip can perform a beam management function.

[0072] Among them, the electronic device can be any device with computing capabilities, such as a personal computer (PC), a mobile terminal, a terminal device, a server, etc. The mobile terminal can be, for example, a vehicle-mounted device, a mobile phone, a tablet computer, a personal digital assistant, a wearable device, and other hardware devices with various operating systems, touch screens and / or display screens.

[0073] In addition, the beam management device may also be software in an electronic device, etc. The software may be, for example, beam management software, etc. In the following embodiments, the execution subject is an example of a terminal device.

[0074] like Figure 2 As shown, the method comprises the following steps:

[0075] Step 201, receiving channel state information CSI report configuration information of a network device; the CSI report configuration information indicates parameters to be measured and reference signal resources for beam measurement; the parameters to be measured include demodulated signal-to-noise ratio and noise-related parameters.

[0076] In the embodiments of the present disclosure, the noise-related parameters may include at least one of the following: white noise, noise covariance, and interference plus noise. White noise refers to random noise with uniform spectral components within the audible range. Noise covariance is a statistical indicator that measures the relationship between the intensity changes of noise signals at different time points or different frequency points.

[0077] Step 202 : performing post-demodulation signal-to-noise ratio measurement processing on the beam to be measured in combination with the reference signal resource to obtain a post-demodulation signal-to-noise ratio value of the beam to be measured.

[0078] In the embodiment of the present disclosure, the process of the terminal device executing step 102 may, for example, be: receiving a reference signal resource sent by a network device through a beam to be measured; sending the received reference signal resource to a demodulator for demodulation processing to obtain a demodulated signal; performing signal power measurement processing and noise power measurement processing on the demodulated signal respectively to obtain the signal power and noise power of the demodulated signal; and determining the value of the demodulated signal-to-noise ratio by combining the signal power, noise power and a preset signal-to-noise ratio calculation formula.

[0079] Step 203 : performing noise-related parameter measurement processing on the beam to be measured in combination with the reference signal resource to obtain the noise-related parameter value of the beam to be measured.

[0080] In the disclosed embodiment, the process of the terminal device executing step 203 may, for example, be to receive the reference signal resources sent by the network device through the beam to be measured; perform noise-related parameter measurement processing on the received reference signal resources to obtain the noise-related parameter value of the beam to be measured.

[0081] In the disclosed embodiment, there is a correlation between the noise-related parameters and the signal-to-noise ratio after demodulation. That is to say, the white noise and noise covariance in the noise-related parameters will affect the demodulation capability, while the signal-to-noise ratio after demodulation represents the demodulation capability. Therefore, in order to select an accurate beam to be reported, the correlation between the noise-related parameters and the signal-to-noise ratio after demodulation can be decoupled. Correspondingly, after step 203, the terminal device can also perform the following process: determine the target signal-to-noise ratio value after demodulation by combining the noise-related parameter value, the signal-to-noise ratio value after demodulation, and the complementary filtering algorithm; and update the signal-to-noise ratio value after demodulation according to the target signal-to-noise ratio value after demodulation.

[0082] The formula of the complementary filtering algorithm can be shown as the following formula (2).

[0083] second_signaling=k1*second_signaling+k2*K*first_signaling(2)

[0084] Wherein, second_signaling on the left side of the equation represents the target signal-to-noise ratio value after demodulation; second_signaling on the right side of the equation represents the signal-to-noise ratio value after demodulation; first_signaling can represent the noise-related parameter value. Wherein, the noise-related parameter value on the right side of the equation is, for example, a white noise value and / or a noise covariance value. k1, k2 and K represent coefficients.

[0085] Step 204 : Select a beam to be reported from the beams to be measured in combination with the demodulated signal-to-noise ratio value and the noise-related parameter value.

[0086] In the embodiment of the present disclosure, the process of the terminal device executing step 204 may, for example, be to determine the weight of the demodulated signal-to-noise ratio and the weight of the noise-related parameter; weight the demodulated signal-to-noise ratio value and the noise-related parameter value in combination with the weight of the demodulated signal-to-noise ratio and the weight of the noise-related parameter to obtain a measurement score of the beam to be measured; sort each beam to be measured according to the measurement score to obtain a sorting result; and select a beam to be reported from the beams to be measured according to the sorting result.

[0087] In an embodiment of the present disclosure, the process of a terminal device determining a post-demodulation signal-to-noise ratio weight and a noise-related parameter weight may, for example, be: obtaining performance-related parameters of a terminal device that receives CSI report configuration information; determining scenario information of the terminal device in combination with the performance-related parameters; and obtaining a post-demodulation signal-to-noise ratio weight and a noise-related parameter weight corresponding to the scenario information.

[0088] Among them, different scene information can correspond to different signal-to-noise ratio weights after demodulation, and / or, correspond to different noise-related parameter weights. Among them, the parameters to be measured emphasized in different scene information are different. For example, in scene 1, the white noise weight is -1, the noise covariance weight is -1.5, and the interference plus noise weight is -0.8; the signal-to-noise ratio weight after demodulation is 2. In scene 2, the white noise weight is -0.3, the noise covariance weight is -0.4, and the interference plus noise weight is -0.7; the signal-to-noise ratio weight after demodulation is 2.2. In scene 3, the white noise weight is -1.9, the noise covariance weight is -2.1, and the interference plus noise weight is -2.2; the signal-to-noise ratio weight after demodulation is 0.9.

[0089] Among them, the setting of different weights for the parameters to be measured in different scene information enables the terminal device to select appropriate weights based on the specific scene, and can focus on different parameters to be measured in different scenes, thereby improving the flexibility of weight setting and further improving the flexibility of beam selection.

[0090] Step 205: Perform beam reporting processing in combination with the beam to be reported.

[0091] In the embodiment of the present disclosure, the process of the terminal device executing step 205 may, for example, include adding the beam identifier of the beam to be reported in the CSI report, and reporting the CSI report to the network device.

[0092] The CSI report may also include the measured parameter values ​​of the beam to be reported and the reference signal used to measure the measured parameter values. The measured parameter values ​​may include, for example, the demodulated signal-to-noise ratio value, the white noise value, the noise covariance value, the interference plus noise value, etc.

[0093] It should be noted that the detailed description of steps 201 to 202 and step 205 can be found in Figure 1 Steps 101 to 102 and step 104 in the illustrated embodiment will not be described in detail herein.

[0094] In the beam management method of the embodiment of the present disclosure, channel state information CSI report configuration information is received from a network device; the CSI report configuration information indicates parameters to be measured and reference signal resources for beam measurement; the parameters to be measured include demodulated signal-to-noise ratio and noise-related parameters; the demodulated signal-to-noise ratio measurement processing is performed on the beam to be measured in combination with the reference signal resource to obtain a demodulated signal-to-noise ratio value of the beam to be measured; the noise-related parameter measurement processing is performed on the beam to be measured in combination with the reference signal resource to obtain a noise-related parameter value of the beam to be measured; the beam to be reported is selected from the beam to be measured in combination with the demodulated signal-to-noise ratio value and the noise-related parameter value; the beam reporting processing is performed in combination with the beam to be reported; wherein, beam measurement and beam selection processing are performed in combination with the demodulated signal-to-noise ratio and the noise-related parameters, so that the actual demodulation capability of the beam on the channel can be considered, and the signal quality on the beam can be accurately evaluated, thereby further improving the accuracy of the selected beam to be reported and further improving the efficiency of beam management.

[0095] Figure 3 This is a flow chart of a beam management method according to another embodiment of the present disclosure. It should be noted that the beam management method according to this embodiment can be applied to a beam management device, which can be configured in an electronic device or a chip so that the electronic device or the chip can perform a beam management function.

[0096] Among them, the electronic device can be any device with computing capabilities, such as a personal computer (PC), a mobile terminal, a terminal device, a server, etc. The mobile terminal can be, for example, a vehicle-mounted device, a mobile phone, a tablet computer, a personal digital assistant, a wearable device, and other hardware devices with various operating systems, touch screens and / or display screens.

[0097] In addition, the beam management device may also be software in an electronic device, etc. The software may be, for example, beam management software, etc. In the following embodiments, the execution subject is a network device as an example for description.

[0098] like Figure 3 As shown, the method comprises the following steps:

[0099] Step 301, sending channel state information CSI report configuration information to the terminal device; the CSI report configuration information indicates the parameters to be measured and the reference signal resources used for beam measurement; the parameters to be measured include the demodulated signal-to-noise ratio and / or noise-related parameters.

[0100] In the embodiment of the present disclosure, the CSI report configuration information may include a resource set identifier and a beam management report mode type, wherein the resource set identifier indicates a reference signal resource used for beam measurement, and the beam management report mode type indicates a parameter to be measured.

[0101] The noise-related parameters may include at least one of the following: white noise, noise covariance, and interference plus noise.

[0102] In the embodiment of the present disclosure, the reference signal resource may include at least one of the following: a CSI reference signal (Channel State Information Reference Signal, CSI-RS), a synchronization signal block (Synchronization Signal / PBCH Block, SSB). In addition, the reference signal resource may also be any reference signal resource that can be used for beam measurement, which is not specifically limited here and can be set and processed according to actual needs.

[0103] Step 302, receiving a CSI report of a terminal device; the CSI report includes a beam to be reported; the beam to be reported is selected from the beam to be measured in combination with a demodulated signal-to-noise ratio value and / or a noise-related parameter value.

[0104] In the disclosed embodiment, the CSI report may also include the value of the parameter to be measured of the beam to be reported, and a reference signal used to measure the value of the parameter to be measured. The reporting of the reference signal and the value of the parameter to be measured enables the network device to comprehensively consider the value of the parameter to be measured of the beam to be reported by each terminal device when performing beam scheduling for multiple terminal devices, thereby improving the beam management efficiency and beam scheduling efficiency for multiple terminal devices.

[0105] In an embodiment of the present disclosure, the CSI report may also include at least one of the following indicators: Channel Quality Indicator (CQI), Precoding Matrix Indicator (PMI), Layer Indicator (LI), Rank Indicator (RI), and Layer 1 Reference Signal Receiving Power (L1-RSRP).

[0106] Step 303: Perform beam scheduling processing according to the beam to be reported.

[0107] In the disclosed embodiment, the network device can obtain the beams to be reported and the corresponding parameter values ​​to be measured of each terminal device; and perform beam scheduling processing on each terminal device based on the beams to be reported and the corresponding parameter values ​​to be measured of each terminal device.

[0108] In the beam management method of the embodiment of the present disclosure, channel state information CSI report configuration information is sent to the terminal device; the CSI report configuration information indicates the parameters to be measured and the reference signal resources used for beam measurement; the parameters to be measured include the signal-to-noise ratio after demodulation and / or noise-related parameters; the CSI report of the terminal device is received; the CSI report includes the beam to be reported; the beam to be reported is selected from the beam to be measured in combination with the signal-to-noise ratio value after demodulation and / or the noise-related parameter value; beam scheduling is performed according to the beam to be reported; wherein the beam to be reported is selected in combination with the signal-to-noise ratio after demodulation and / or the noise-related parameters, so as to ensure the signal quality of the beam to be reported, thereby improving the beam management efficiency.

[0109] Figure 4 The present invention is a schematic diagram of the structure of a beam management device according to an embodiment of the present invention.

[0110] like Figure 4 As shown, the beam management device may include: a receiving module 401, a measurement processing module 402, a selection module 403 and a reporting processing module 404.

[0111] Among them, the receiving module 401 is used to receive the channel state information CSI report configuration information of the network device; the CSI report configuration information indicates the parameters to be measured and the reference signal resources used for beam measurement; the parameters to be measured include the demodulated signal-to-noise ratio; the measurement processing module 402 is used to perform a demodulated signal-to-noise ratio measurement process on the beam to be measured in combination with the reference signal resource to obtain the demodulated signal-to-noise ratio value of the beam to be measured; the selection module 403 is used to select the beam to be reported from the beam to be measured in combination with the demodulated signal-to-noise ratio value; the reporting processing module 404 is used to perform beam reporting processing in combination with the beam to be reported.

[0112] In one embodiment of the present disclosure, the parameters to be measured also include noise-related parameters; the measurement processing module 402 is also used to perform noise-related parameter measurement processing on the beam to be measured in combination with the reference signal resource to obtain the noise-related parameter value of the beam to be measured; the selection module 403 is specifically used to select the beam to be reported from the beam to be measured in combination with the demodulated signal-to-noise ratio value and the noise-related parameter value.

[0113] In one embodiment of the present disclosure, there is a correlation between the noise-related parameter and the demodulated signal-to-noise ratio; the device further includes: a determination module and an update processing module; the determination module is used to determine a target demodulated signal-to-noise ratio value by combining the noise-related parameter value, the demodulated signal-to-noise ratio value and a complementary filtering algorithm; the update processing module is used to update the demodulated signal-to-noise ratio value according to the target demodulated signal-to-noise ratio value.

[0114] In one embodiment of the present disclosure, the selection module 403 includes a determination unit, a weighted processing unit, a sorting processing unit and a selection unit; the determination unit is used to determine the demodulated signal-to-noise ratio weight and the noise-related parameter weight; the weighted processing unit is used to perform weighted processing on the demodulated signal-to-noise ratio value and the noise-related parameter value in combination with the demodulated signal-to-noise ratio weight and the noise-related parameter weight to obtain the measurement score of the beam to be measured; the sorting processing unit is used to sort each of the beams to be measured according to the measurement score to obtain a sorting result; the selection unit is used to select the beam to be reported from the beams to be measured according to the sorting result.

[0115] In one embodiment of the present disclosure, the determination unit is specifically used to obtain performance-related parameters of a terminal device that receives the CSI report configuration information; determine scenario information of the terminal device in combination with the performance-related parameters; and obtain a post-demodulation signal-to-noise ratio weight and a noise-related parameter weight corresponding to the scenario information.

[0116] In one embodiment of the present disclosure, the noise-related parameter includes at least one of the following: white noise, noise covariance, and interference plus noise.

[0117] In one embodiment of the present disclosure, the reporting processing module 404 is specifically used to add the beam identifier of the beam to be reported to a specified beam subset among multiple beam subsets; report the multiple beam subsets to the network device, and report a CSI report; the CSI report carries the identifier of the specified beam subset, instructing the network device to obtain the beam to be reported from the specified beam subset, and perform beam scheduling processing in combination with the beam to be reported.

[0118] In one embodiment of the present disclosure, the CSI report also includes the value of the parameter to be measured of the beam to be reported, and a reference signal used to measure the value of the parameter to be measured.

[0119] In one embodiment of the present disclosure, the reference signal resource includes at least one of the following: a CSI reference signal and a synchronization signal block SSB.

[0120] In the beam management device of the embodiment of the present disclosure, channel state information CSI report configuration information of the network device is received; the CSI report configuration information indicates the parameters to be measured and the reference signal resources used for beam measurement; the parameters to be measured include the demodulated signal-to-noise ratio; the demodulated signal-to-noise ratio measurement processing is performed on the beam to be measured in combination with the reference signal resource to obtain the demodulated signal-to-noise ratio value of the beam to be measured; the beam to be reported is selected from the beam to be measured in combination with the demodulated signal-to-noise ratio value; the beam reporting processing is performed in combination with the beam to be reported; wherein, the beam selection processing is performed in combination with the demodulated signal-to-noise ratio, which can take into account the actual demodulation capability of the beam on the channel, thereby ensuring the signal quality of the selected beam and improving the beam management efficiency.

[0121] Figure 5 A schematic diagram of the structure of a beam management device according to another embodiment of the present disclosure.

[0122] like Figure 5 As shown, the beam management device may include: a sending module 501, a receiving module 502 and a scheduling processing module 503.

[0123] Among them, the sending module 501 is used to send channel state information CSI report configuration information to the terminal device; the CSI report configuration information indicates the parameters to be measured and the reference signal resources used for beam measurement; the parameters to be measured include the demodulated signal-to-noise ratio and / or noise-related parameters; the receiving module 502 is used to receive the CSI report of the terminal device; the CSI report includes the beam to be reported; the beam to be reported is selected from the beam to be measured in combination with the demodulated signal-to-noise ratio value and / or the noise-related parameter value; the scheduling processing module 503 is used to perform beam scheduling processing according to the beam to be reported.

[0124] In the beam management device of the embodiment of the present disclosure, channel state information CSI report configuration information is sent to the terminal device; the CSI report configuration information indicates the parameters to be measured and the reference signal resources used for beam measurement; the parameters to be measured include the signal-to-noise ratio after demodulation and / or noise-related parameters; the CSI report of the terminal device is received; the CSI report includes the beam to be reported; the beam to be reported is selected from the beam to be measured in combination with the signal-to-noise ratio value after demodulation and / or the noise-related parameter value; beam scheduling is performed according to the beam to be reported; wherein the beam to be reported is selected in combination with the signal-to-noise ratio after demodulation and / or the noise-related parameters, so as to ensure the signal quality of the beam to be reported, thereby improving the beam management efficiency.

[0125] According to a fifth aspect of the embodiment of the present disclosure, a beam management system is also provided, comprising: a terminal device and a network device connected in communication; the terminal device is used to execute Figure 1 to Figure 2 The beam management method described in any one of the embodiments; the network device executes Figure 3 The beam management method described in any one of the embodiments.

[0126] According to a sixth aspect of an embodiment of the present disclosure, there is also provided an electronic device, comprising: a processor; and a memory for storing instructions executable by the processor, wherein the processor is configured to: implement the steps of the beam management method as described above.

[0127] In order to implement the above embodiments, the present disclosure also proposes a non-transitory computer-readable storage medium.

[0128] When the instructions in the storage medium are executed by the processor, the processor is enabled to execute the beam management method as described above.

[0129] In order to implement the above embodiments, the present disclosure also provides a computer program product.

[0130] When the computer program product is executed by a processor of an electronic device, the electronic device is enabled to execute the above method.

[0131] Figure 6 The figure is a structural block diagram of an electronic device according to an exemplary embodiment. Figure 6 The electronic device shown is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present disclosure.

[0132] like Figure 6 As shown, the electronic device 1000 includes a processor 111, which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM) 112 or a program loaded from a memory 116 to a random access memory (RAM) 113. In the RAM 113, various programs and data required for the operation of the electronic device 1000 are also stored. The processor 111, the ROM 112, and the RAM 113 are connected to each other via a bus 114. An input / output (I / O) interface 115 is also connected to the bus 114.

[0133] The following components are connected to the I / O interface 115: a memory 116 including a hard disk, etc.; and a communication part 117 including a network interface card such as a local area network (LAN) card, a modem, etc., and the communication part 117 performs communication processing via a network such as the Internet; a drive 118 is also connected to the I / O interface 115 as needed.

[0134] In particular, according to an embodiment of the present disclosure, the process described above with reference to the flowchart can be implemented as a computer software program. For example, an embodiment of the present disclosure includes a computer program carried on a computer-readable medium, and the computer program includes a program code for executing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from the network through the communication part 117. When the computer program is executed by the processor 111, the above-mentioned functions defined in the method of the present disclosure are executed.

[0135] In an exemplary embodiment, a storage medium including instructions is also provided, such as a memory including instructions, and the instructions can be executed by the processor 111 of the electronic device 1000 to complete the above method. Optionally, the storage medium can be a non-transitory computer-readable storage medium, for example, the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.

[0136] In the present disclosure, a computer-readable storage medium may be any tangible medium containing or storing a program that may be used by or in combination with an instruction execution system, apparatus, or device. In the present disclosure, a computer-readable signal medium may include a data signal propagated in a baseband or as part of a carrier wave, which carries a computer-readable program code. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. A computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which may send, propagate, or transmit a program for use by or in combination with an instruction execution system, apparatus, or device. The program code contained on the computer-readable medium may be transmitted using any suitable medium, including but not limited to: wireless, wire, optical cable, RF, etc., or any suitable combination of the above.

[0137] Figure 7 FIG. 1 is a schematic diagram of the structure of a chip according to an embodiment of the present disclosure. Figure 7 As shown, the chip includes a processor 701 and an interface circuit 702. The number of the processor 701 can be one or more, and the number of the interface circuit 702 can be one or more.

[0138] Optionally, the interface circuit 702 is used to receive a signal, where the signal includes a computer instruction. When the processor 701 executes the computer instruction, the chip executes the beam management method described in the above embodiment of the present disclosure.

[0139] The collection, storage, use, processing, transmission, provision and disclosure of user personal information involved in this application are in compliance with relevant laws and regulations and do not violate public order and good morals.

[0140] In addition, the word "exemplary" is used herein to indicate serving as an example, instance, or diagram. Any aspect or design described as "exemplary" in this article is not necessarily understood to be advantageous compared to other aspects or designs. On the contrary, the use of the word exemplary is intended to present concepts in a specific way. As used herein, the term "or" is intended to represent an inclusive "or" rather than an exclusive "or". That is, unless otherwise specified or clear from the context, "X applies A or B" is intended to represent any one of the natural inclusive arrangements. That is, if X applies A; X applies B; or X applies both A and B, "X applies A or B" is satisfied under any of the aforementioned examples. In addition, unless otherwise specified or clearly pointed to a singular form from the context, the articles "one" and "an" as used in this application and the appended claims are generally understood to mean "one or more".

[0141] Likewise, although the present disclosure has been shown and described with respect to one or more implementations, equivalent variations and modifications will occur to those skilled in the art after reading and understanding the specification and drawings. The present disclosure includes all such modifications and variations and is limited only by the scope of the claims. In particular, with respect to the various functions performed by the components (e.g., elements, resources, etc.) described above, unless otherwise noted, the terms used to describe such components are intended to correspond to any component (functionally equivalent) that performs the specific functions of the described components, even if the structure is not equivalent to the disclosed structure. In addition, although the specific features of the present disclosure may have been disclosed with respect to only one of several implementations, such features may be combined with one or more other features of other implementations as may be desired and conducive to any given or specific application. In addition, with respect to "including", "having", "having", "having", or variations thereof used in the specific embodiments or claims, such terms are intended to be inclusive in a manner similar to the term "comprising".

[0142] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0143] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A beam management method, characterized in that: The method comprises: Receive channel state information CSI report configuration information of a network device; the CSI report configuration information indicates a parameter to be measured and a reference signal resource for beam measurement; the parameter to be measured includes a demodulated signal-to-noise ratio; Performing a demodulated signal-to-noise ratio measurement process on the beam to be measured in combination with the reference signal resource to obtain a demodulated signal-to-noise ratio value of the beam to be measured; selecting a beam to be reported from the beams to be measured in combination with the demodulated signal-to-noise ratio value; Perform beam reporting processing in combination with the beam to be reported.

2. The method according to claim 1, characterized in that: The parameters to be measured also include noise-related parameters; the method further includes: performing noise-related parameter measurement processing on the beam to be measured in combination with the reference signal resource to obtain a noise-related parameter value of the beam to be measured; The selecting the beam to be reported from the beam to be measured in combination with the demodulated signal-to-noise ratio value includes: The beam to be reported is selected from the beams to be measured in combination with the demodulated signal-to-noise ratio value and the noise-related parameter value.

3. The method according to claim 2, characterized in that There is a correlation between the noise-related parameter and the demodulated signal-to-noise ratio; the method further includes: Determine a target post-demodulation signal-to-noise ratio value by combining the noise-related parameter value, the post-demodulation signal-to-noise ratio value, and a complementary filtering algorithm; The demodulated signal-to-noise ratio value is updated according to the target demodulated signal-to-noise ratio value.

4. The method according to claim 2, characterized in that: The selecting the beam to be reported from the beams to be measured in combination with the demodulated signal-to-noise ratio value and the noise-related parameter value includes: Determine the signal-to-noise ratio weight and noise-related parameter weight after demodulation; Performing weighted processing on the demodulated signal-to-noise ratio value and the noise-related parameter value in combination with the demodulated signal-to-noise ratio weight and the noise-related parameter weight to obtain a measurement score of the beam to be measured; Sorting the beams to be measured according to the measurement scores to obtain a sorting result; The beam to be reported is selected from the beams to be measured according to the sorting result.

5. The method according to claim 4, characterized in that The step of determining the post-demodulation signal-to-noise ratio weight and the noise-related parameter weight comprises: Acquire performance-related parameters of a terminal device that receives the CSI report configuration information; Determining scenario information of the terminal device in combination with the performance-related parameters; Obtain a demodulated signal-to-noise ratio weight and a noise-related parameter weight corresponding to the scene information.

6. The method according to any one of claims 2 to 5, characterized in that The noise-related parameters include at least one of the following: white noise, noise covariance, and interference plus noise.

7. The method according to claim 1, characterized in that The performing beam reporting processing in combination with the beam to be reported includes: Adding the beam identifier of the beam to be reported to a designated beam subset among multiple beam subsets; Report the multiple beam subsets to the network device and report a CSI report; the CSI report carries an identifier of the specified beam subset, instructing the network device to obtain the beam to be reported from the specified beam subset, and perform beam scheduling processing in combination with the beam to be reported.

8. The method according to claim 7, characterized in that The CSI report also includes the value of the parameter to be measured of the beam to be reported, and a reference signal used to measure the value of the parameter to be measured.

9. The method according to claim 1, characterized in that: The reference signal resource includes at least one of the following: a CSI reference signal and a synchronization signal block SSB.

10. A beam management method, characterized in that: The method comprises: Sending channel state information CSI report configuration information to the terminal device; the CSI report configuration information indicates the parameters to be measured and the reference signal resources used for beam measurement; the parameters to be measured include the demodulated signal-to-noise ratio and / or noise-related parameters; Receiving a CSI report of the terminal device; the CSI report includes a beam to be reported; the beam to be reported is selected from the beam to be measured in combination with a demodulated signal-to-noise ratio value and / or a noise-related parameter value; Beam scheduling is performed according to the beam to be reported.

11. A beam management device, characterized in that: The device comprises: A receiving module, configured to receive channel state information CSI report configuration information of a network device; the CSI report configuration information indicates a parameter to be measured and a reference signal resource for beam measurement; the parameter to be measured includes a demodulated signal-to-noise ratio; A measurement processing module, configured to perform a demodulated signal-to-noise ratio measurement process on the beam to be measured in combination with the reference signal resource, to obtain a demodulated signal-to-noise ratio value of the beam to be measured; A selection module, configured to select a beam to be reported from the beams to be measured in combination with the demodulated signal-to-noise ratio value; A reporting processing module is used to perform beam reporting processing in combination with the beam to be reported.

12. A beam management device, characterized in that: The device comprises: A sending module, configured to send channel state information CSI report configuration information to a terminal device; the CSI report configuration information indicates a parameter to be measured and a reference signal resource for beam measurement; the parameter to be measured includes a demodulated signal-to-noise ratio and / or noise-related parameters; A receiving module, configured to receive a CSI report of the terminal device; the CSI report includes a beam to be reported; the beam to be reported is selected from the beam to be measured in combination with a demodulated signal-to-noise ratio value and / or a noise-related parameter value; A scheduling processing module is used to perform beam scheduling processing according to the beam to be reported.

13. A beam management system, characterized in that: The system comprises: Terminal equipment and network equipment for communication connection; The terminal device is used to execute the beam management method as described in any one of claims 1 to 9; the network device is used to execute the beam management method as described in claim 10.

14. An electronic device, characterized in that: include: processor; a memory for storing instructions executable by the processor; Wherein, the processor is configured to: Implement the steps of the beam management method as described in any one of claims 1 to 9; or, implement the steps of the beam management method as described in claim 10.

15. A non-transitory computer-readable storage medium, when the instructions in the storage medium are executed by a processor, enables the processor to execute the beam management method as described in any one of claims 1 to 9; or, execute the beam management method as described in claim 10.

16. A chip, characterized in that: The chip comprises one or more interface circuits and one or more processors; the interface circuit is used to receive a signal, the signal comprises a computer instruction, and when the processor executes the computer instruction, the chip executes the beam management method according to any one of claims 1 to 9; or, executes the beam management method according to claim 10.

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