Method performed by a user equipment and user equipment

Abstract

The application provides a method executed by a user equipment and the user equipment. The method comprises: receiving a radio resource control (RRC) message containing one or more CSI reporting configuration information from a base station, wherein the CSI reporting configuration information contains configuration information for CSI reporting; and determining, for each channel state information reference signal (CSI-RS) resource, a number of times that the CSI-RS resource is referenced in one or more of the CSI reporting configuration information. The CSI reporting configuration information contains a first set of CSI-RS resources for channel measurement and a second set of CSI-RS resources for reference signal or beam prediction. When the first set of CSI-RS resources contains the CSI-RS resource, the number of times that the CSI-RS resource is referenced in one or more of the CSI reporting configuration information is determined.

Description

Technical Field

[0001] This invention relates to the field of wireless communication technology, and more particularly to a method performed by a user equipment and a corresponding user equipment. Background Technology

[0002] In Rel-15NR, user equipment (UE) can perform various downlink channel measurements and channel state information (CSI) reports based on network configuration information. The measurement configuration and corresponding reporting methods are configured through a reporting configuration, represented in the 3GPP protocol by the RRC parameter CSI-ReportConfig. Specifically, the reporting configuration includes the following three aspects:

[0003] 1) The number of measurements reported, i.e. how many measurement items need to be reported to the network.

[0004] A measurement report needs to explicitly configure which measurement items the user equipment (UE) needs to report. For example, a measurement report might include three items: Channel Quality Indicator (CQI), Channel Rank Indicator (RI), and Precoder Matrix Indicator (PMI), collectively referred to as Channel State Information. A measurement report can also include only one item, such as reporting the received signal strength, called Reference Signal Received Power (RSRP). RSRP is also a critical measurement, typically used in higher-level Radio Resource Management (RRM). In NR, RSRP reporting is introduced at the physical layer for Beam Management (BM), known as L1-RSRP.

[0005] 2) The object of measurement, i.e., the physical resources of downlink measurement.

[0006] In the configuration information of the RRC parameter CSI-ReportConfig, the reporting configuration is associated with one or more resource sets. Specifically, a measurement resource configuration is associated with one or more Non-Zero Power CSI Reference Signal (NZP-CSI RS) resource sets. The user equipment uses this NZP-CSIRS resource set to measure the characteristics of the downlink channel. The NZP-CSIRS resource set can contain a set of configured CSI-RS or a set of Synchronization Signal Blocks (SSBs). For example, L1-RSRP measurement reporting for beam management is performed on a set of SSBs or a set of NZP-CSIRS.

[0007] 3) The reporting method, i.e., which uplink physical channel is used to carry CSI reporting.

[0008] In Rel-15NR, CSI reporting for user equipment can be divided into three types: periodic CSI report, semi-persistent CSI report, and aperiodic CSI report.

[0009] For periodic CSI reporting, the network needs to be configured with a specific reporting period. Periodic CSI reporting is carried out through the Physical Uplink Control Channel (PUCCH). Therefore, for periodic CSI reporting, the resource configuration information needs to be configured with the periodic PUCCH resources used for reporting.

[0010] For semi-persistent CSI reporting, the network activates or deactivates the corresponding CSI reporting via MAC CE. Semi-persistent CSI reporting can be carried through the allocated PUCCH or the allocated Physical Uplink Shared Channel (PUSCH). PUSCH is often used to carry semi-persistent CSI reports with larger amounts of information.

[0011] Aperiodic CSI reporting is triggered via downlink control information (DCI). Specifically, it is indicated by the CSI request indication field in the uplink scheduling authorization. This indication field contains a maximum of 6 bits, each combination corresponding to a configured aperiodic CSI report, meaning a maximum of 63 different aperiodic CSI reports can be triggered (all bits set to 0 indicate no aperiodic CSI report is triggered). Aperiodic CSI reports are carried via PUSCH.

[0012] At the 3GPP RAN#94e plenary meeting in December 2021, research on the application of Artificial Intelligence / Machine Learning (AI / ML) in the NR air interface was approved (see Non-Patent Literature 1). The use cases for this research topic include the following:

[0013] 1) Enhanced beam management, such as beam prediction in the time domain, reduction of overhead and latency in the spatial domain, and improved accuracy of beam selection; the UE reports the Layer 1 Reference Signal Received Power (RSRP) to the base station, and the base station performs beam management based on the reported information.

[0014] The present patent provides a method for determining the number of times a configured CSI-RS resource is referenced after receiving RRC configuration information sent by a base station in enhanced NR beam management, and a method for determining the active time of non-periodic CSI-RS resources.

[0015] Existing technical documents

[0016] Non-patent literature

[0017] Non-patent literature 1: RP-234039, New WID on AI / ML for NR Air Interface, section 4.1 Summary of the Invention

[0018] To address at least some of the above-mentioned problems, the present invention provides a method performed by a user equipment and a user equipment thereof.

[0019] According to the present invention, a method executed by a user equipment is proposed, comprising: a method executed by a user equipment, comprising: receiving from a base station a Radio Resource Control (RRC) message containing one or more CSI reporting configuration information, wherein the CSI reporting configuration information includes configuration information for CSI reporting; and for each Channel State Information Reference Signal (CSI-RS) resource, determining the number of times the CSI-RS resource is referenced in one or more of the CSI reporting configuration information. Wherein, the CSI reporting configuration information includes a first CSI-RS resource set for channel measurement and a second CSI-RS resource set for reference signal or beam prediction, and determining the number of times the CSI-RS resource is referenced in one or more CSI reports includes: determining that the CSI-RS resource is referenced when the first CSI-RS resource set contains the CSI-RS resource.

[0020] Optionally, the method may further include: calculating the CSI-RS resource N times, where N is an integer greater than or equal to 0, when the number is set to N times.

[0021] Optionally, determining the number of times the CSI-RS resource is referenced in one or more configuration information reported by the CSI may include: considering a first set of CSI-RS resources reported by the CSI as containing the CSI-RS resource as the CSI-RS resource being referenced once.

[0022] Optionally, determining the number of times the CSI-RS resource is referenced in one or more configuration information reported by the CSI may include: determining that the CSI-RS resource is referenced once when the resource identifier of the CSI-RS resource is configured in a first set of CSI-RS resources reported by the CSI.

[0023] Optionally, the CSI report is a CSI report in which the content of the report is the inference result of the artificial intelligence / machine learning AI / ML model.

[0024] In addition, according to the present invention, a user equipment is provided, comprising: a processor; and a memory storing instructions, wherein the instructions, when executed by the processor, perform the method described above.

[0025] Invention Effects

[0026] When applying artificial intelligence / machine learning (AI / ML) technologies in the NR air interface, this invention provides a method for the UE to determine the number of times a CSI-RS resource is referenced in one or more CSI reports when the UE receives configuration information from one or more CSI reports sent by the base station. Specifically, for CSI reports configured for model inference, only CSI-RS resources in the CSI-RS resource set used for channel measurement are referenced. The method proposed in this invention ensures that CSI-RS resources in the CSI-RS resource set used for beam prediction do not occupy the UE's CSI-RS processing unit, allowing the UE to more effectively measure the associated CSI-RS resources in multiple CSI reports. Simultaneously, this invention also provides a method for the UE to determine the active time of non-periodic CSI-RS resources. Specifically, when the DCI received by the UE does not schedule uplink data, and the reportQuantity in the activated CSI report is configured as 'none', and the CSI-RS resource associated with the CSI report is an aperiodic CSI-RS, then the UE determines that the active time of the aforementioned aperiodic CSI-RS resource ends at the later of the time when the aforementioned DCI is processed and the time when the measurement CSI-RS is measured and the measurement result is processed. Attached Figure Description

[0027] The above and other features of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, wherein:

[0028] Figure 1 This is a schematic diagram illustrating the basic process of a method performed by a user device in Embodiment 1 of the invention.

[0029] Figure 2 This is a schematic diagram illustrating the basic process of the method performed by the user equipment in Embodiment 2 of the invention.

[0030] Figure 3 This is a block diagram illustrating a user equipment according to an embodiment of the present invention. Detailed Implementation

[0031] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the present invention should not be limited to the specific embodiments described below. Furthermore, for the sake of simplicity, detailed descriptions of well-known technologies not directly related to the present invention have been omitted to prevent confusion in understanding the present invention.

[0032] The following description uses 5G mobile communication systems and their subsequent evolutions as example application environments to specifically describe several embodiments according to the present invention. However, it should be noted that the present invention is not limited to the following embodiments, but is applicable to many other wireless communication systems, such as communication systems after 5G and 4G mobile communication systems before 5G.

[0033] The following describes some of the terms involved in this invention. Unless otherwise specified, the terms used in this invention are as defined herein. The terms given in this invention may be named differently in LTE, LTE-Advanced, LTE-Advanced Pro, NR and later communication systems, but a unified terminology is used in this invention. When applied to a specific system, it can be replaced with the terminology used in the corresponding system.

[0034] 3GPP: 3rd Generation Partnership Project

[0035] LTE: Long Term Evolution

[0036] NR: New Radio, New Wireless, New Air Interface

[0037] PDCCH: Physical Downlink Control Channel

[0038] DCI: Downlink Control Information

[0039] PDSCH: Physical Downlink Shared Channel

[0040] UE: User Equipment

[0041] eNB: evolved NodeB

[0042] gNB: NR base station

[0043] TTI: Transmission Time Interval

[0044] OFDM: Orthogonal Frequency Division Multiplexing

[0045] CP-OFDM: Cyclic Prefix Orthogonal Frequency Division Multiplexing

[0046] C-RNTI: Cell Radio Network Temporary Identifier

[0047] CSI: Channel State Information

[0048] HARQ: Hybrid Automatic Repeat Request.

[0049] CSI-RS: Channel State Information Reference Signal

[0050] CRS: Cell Reference Signal

[0051] PUCCH: Physical Uplink Control Channel; PUSCH: Physical Uplink Shared Channel; UL-SCH: Uplink Shared Channel.

[0052] CG: Configured Grant, Configuration Scheduling License

[0053] MCS: Modulation and Coding Scheme

[0054] RB: Resource Block

[0055] RE: Resource Element

[0056] CRB: Common Resource Block

[0057] CP: Cyclic Prefix

[0058] PRB: Physical Resource Block

[0059] FDM: Frequency Division Multiplexing

[0060] RRC: Radio Resource Control

[0061] RSRP: Reference Signal Receiving Power; SRS: Sounding Reference Signal.

[0062] DMRS: Demodulation Reference Signal

[0063] CRC: Cyclic Redundancy Check

[0064] SFI: Slot Format Indication

[0065] TDD: Time Division Duplexing

[0066] FDD: Frequency Division Duplexing

[0067] SIB: System Information Block

[0068] SIB1: System Information Block Type 1

[0069] PCI: Physical Cell ID

[0070] PSS: Primary Synchronization Signal

[0071] SSS: Secondary Synchronization Signal

[0072] BWP: Bandwidth Part

[0073] SFN: System Frame Number

[0074] IE: Information Element

[0075] SSB: Synchronization Signal Block; EN-DC: EUTRA-NR Dual Connection (LTE-NR Dual Connection)

[0076] MCG: Master Cell Group

[0077] SCG: Secondary Cell Group

[0078] PCell: Primary Cell

[0079] SCell: Secondary Cell

[0080] SPS: Semi-Persistant Scheduling

[0081] TA: Timing Advance, uplink timing advance

[0082] PT-RS: Phase-Tracking Reference Signals

[0083] TB: Transport Block

[0084] CB: Code Block

[0085] QPSK: Quadrature Phase Shift Keying

[0086] 16 / 64 / 256 QAM: 16 / 64 / 256 Quadrature Amplitude Modulation.

[0087] TDRA (field): Time Domain Resource Assignment.

[0088] FDRA (field): Frequency Domain Resource Assignment.

[0089] ARFCN: Absolute Radio Frequency Channel Number

[0090] SC-FDMA: Single Carrier-Frequency Division Multiple Access

[0091] MAC: Medium Access Control.

[0092] PDU: Protocol Data Unit

[0093] TBS: Transport Block Size

[0094] CQI: Channel Quality Indicator

[0095] RI: Rank Indicator

[0096] PMI: Precoder Matrix Indicator

[0097] RRM: Radio Resource Management

[0098] BM: Beam Management

[0099] NZP-CSI RS: Non-Zero Power CSI Reference Signal.

[0100] MAC CE: Medium Access Control Element.

[0101] CRI: CSI-RS Resource Indicator

[0102] SSBRI: SSB Resource Indicator

[0103] MSB: Most Significant Bit

[0104] LSB: Least Significant Bit

[0105] CPU: CSI Processing Unit, Channel State Information Processing Unit

[0106] The following is a description of prior art associated with the present invention. Unless otherwise specified, the same terms in the specific embodiments have the same meaning as in the prior art.

[0107] In this specification, "network" refers to a base station.

[0108] The parameter set (numerology) and time slot in NR

[0109] The parameter set numberology includes two aspects: subcarrier spacing and cyclic prefix (CP) length. NR supports five subcarrier spacings: 15kHz, 30kHz, 60kHz, 120kHz, and 240kHz (corresponding to μ = 0, 1, 2, 3, and 4). Table 4.2-1 shows the supported transmission parameter set, as detailed below.

[0110] Table 4.2-1 NR Supported Subcarrier Spacing

[0111] μ <![CDATA[Δf=2 μ ·15[kHz]]]> CP (Cyclic Prefix) 0 15 normal 1 30 normal 2 60 Normal, expansion 3 120 normal 4 240 normal

[0112] Extended CP is supported only when μ = 2, i.e., a 60kHz subcarrier spacing; other subcarrier spacings only support normal CP. For normal CP, each slot contains 14 OFDM symbols; for extended CP, each slot contains 12 OFDM symbols. For μ = 0 (15kHz subcarrier spacing), one slot = 1ms; for μ = 1 (30kHz subcarrier spacing), one slot = 0.5ms; for μ = 2 (60kHz subcarrier spacing), one slot = 0.25ms, and so on.

[0113] NR and LTE use the same definition for subframes, which is 1ms. For a subcarrier spacing configuration μ, the slot number within one subframe (1ms) can be represented as... The range is 0 to The slot number within a system frame (10ms in duration) can be represented as: The range is 0 to in, and The definitions for different subcarrier spacings μ are shown in the table below.

[0114] Table 4.3.2-1: Number of symbols per slot, number of slots per system frame, and number of slots per subframe during normal CP.

[0115]

[0116] Table 4.3.2-2: Number of symbols per slot, number of slots per system frame, and number of slots per subframe during extended CP (60kHz)

[0117]

[0118] On NR carriers, the system frame (or simply frame) number SFN ranges from 0 to 1023.

[0119] Resource blocks (RBs) and resource units (REs)

[0120] Resource blocks (RBs) are defined in the frequency domain as For consecutive subcarriers, for example, with a subcarrier spacing of 15 kHz, RB is 180 kHz in the frequency domain. For a subcarrier spacing of 15 kHz × 2... μ Resource element (RE) represents one subcarrier in the frequency domain and one OFDM symbol in the time domain.

[0121] Common Resource Block (CRB)

[0122] The Common Resource Block (CRB) is defined for a parameter set numberology. For all numbersology, the center frequency of subcarrier 0 of CRB number 0 points to the same location in the frequency domain, which is called "point A".

[0123] NR resource grid

[0124] In a given transmission direction on a carrier (denoted by x, where x = DL indicates downlink and x = UL indicates uplink), a resource grid is defined for each numberology, which contains in the frequency domain... Subcarriers (i.e.) There are 1 resource block RB, and each resource block contains 1 resource block RB. (each subcarrier) contains in the time domain OFDM symbols ( This represents the number of OFDM symbols within a subframe (the specific value is related to μ), where... The number of subcarriers in a resource block (RB) that satisfies The lowest-numbered common resource block (CRB) of a resource raster. The number of frequency domain resource blocks is configured by the higher-level parameter offsetToCarrier. The `carrierBandwidth` parameter is configured by the higher-level parameter. Specifically, for a given numberology and the higher-level parameter `offsetToCarrier`, the gNB configures a cell-specific common `offsetToCarrier` in the `ServingCellConfigCommon` IE via dedicated signaling. Specifically, `ServingCellConfigCommon` contains the higher-level parameter `downlinkConfigCommon`, which contains the configuration information for `offsetToCarrier`.

[0125] Bandwidth Frame (BWP)

[0126] In NR, one or more bandwidth segments can be defined for each parameter set numberology. Each BWP contains one or more consecutive CRBs. Assuming a BWP is numbered i, its starting point... (or, use) (to represent) and length (or, use) (to represent) must simultaneously satisfy the following relations:

[0127]

[0128]

[0129] That is, the CRB contained in the BWP must be located within the resource raster of the corresponding numberology. The CRB number represents the distance from the lowest-numbered CRB of the BWP to point A, in units of RB.

[0130] The resource blocks within a BWP are called physical resource blocks (PRBs), and their numbering is... Physical resource block 0 corresponds to the lowest numbered CRB of the corresponding BWP, i.e. For a given serving cell, the gNB configures a BWP using the following high-level parameters:

[0131] 1) Subcarrier spacing;

[0132] 2) CP length;

[0133] 3) The high-level parameter `locationAndBandwidth` indicates the starting point of the BWP relative to the resource grid. offset value offset(RB) start ) and the number L of consecutive CRBs in the frequency domain of the BWP RB ,satisfy Among them O carrier This represents `offsetToCarrier`; where the parameter `locationAndBandwidth` indicates a `RIV` (Resource Indication Value). The `RIV` is related to the `L`... RB and RB start The calculation relationship is as follows: If So otherwise, in, and,

[0134] 4) The serial number of the BWP;

[0135] 5) Configuration of BWP common and BWP proprietary parameters, such as the configuration of PDCCH and PDSCH for downlink BWP.

[0136] Channel State Information (CSI) Reporting in NR

[0137] In NR, user equipment can perform different downlink channel measurements and channel state information reports (CSI reports) based on network configuration information. The measurement configuration and the corresponding reporting method are accomplished through the reporting configuration, which is represented by the RRC parameter CSI-ReportConfig in the 3GPP protocol.

[0138] CSI Report Items

[0139] A measurement report needs to explicitly configure which measurement items the user equipment (UE) needs to report. For example, a measurement report might include three items: Channel Quality Indicator (CQI), Rank Indicator (RI), and Precoder Matrix Indicator (PMI), collectively referred to as channel state information. A measurement report can also include only one item, such as reporting received signal strength, called Reference Signal Received Power (RSRP). RSRP is also a critical measurement, typically used in higher-level Radio Resource Management (RRM). NR introduces RSRP reporting at the physical layer for Beam Management (BM), called L1-RSRP. For L1-RSRP reporting, UE can report the largest L1-RSRP measurement value; the remaining L1-RSRP values ​​are reported differentially, meaning the remaining reported L1-RSRP values ​​are the differences between the measured values ​​and the largest L1-RSRP measurement value.

[0140] CSI reported physical measurement resources

[0141] In the configuration information of the RRC parameter CSI-ReportConfig, the reporting configuration is associated with one or more resource sets. Specifically, a measurement resource configuration is associated with one or more Non-Zero Power CSIReference Signal (NZP-CSIRS) resource sets. The user equipment uses this NZP-CSIRS resource set to measure the characteristics of the downlink channel. The NZP-CSIRS resource set can contain a set of configured CSI-RS or a set of Synchronization Signal Blocks (SSBs). For example, L1-RSRP measurement reporting for beam management is performed on a set of SSBs or a set of NZP-CSI RSs. For a configured set of NZP-CSIRS resources, a CSI-RS Resource Identifier (CRI) is used to represent a specific CSI-RS resource within that set. For example, if the group contains four CSI-RS resources, then the CRI is two bits: '00' represents the first CSI-RS resource, '01' represents the second CSI-RS resource, '10' represents the third CSI-RS resource, and '11' represents the fourth CSI-RS resource. Similarly, for a configured group of SSB resources, an SSB Resource Identifier (SSBRI) is used to represent a specific SSB resource within that group.

[0142] CSI reporting method

[0143] In NR, CSI reporting by user equipment can be divided into three types: periodic CSI report, semi-persistent CSI report, and aperiodic CSI report.

[0144] For periodic CSI reporting, the network needs to be configured with a specific reporting period. Periodic CSI reporting is carried out through the Physical Uplink Control Channel (PUCCH). Therefore, for periodic CSI reporting, the resource configuration information needs to be configured with the periodic PUCCH resources used for reporting.

[0145] For semi-persistent CSI reporting, the network activates or deactivates the corresponding CSI reporting via MAC CE. Semi-persistent CSI reporting can be carried through allocated PUCCHs or allocated Physical Uplink Shared Channels (PUSCHs). PUCCH resources are semi-statically and periodically configured. PUSCHs are often used to carry semi-persistent CSI reports with relatively large amounts of information.

[0146] Aperiodic CSI reporting is triggered via downlink control information (DCI). Specifically, it is indicated by the CSI request indication field in the uplink scheduling authorization. This indication field contains a maximum of 6 bits, each combination corresponding to a configured aperiodic CSI report, meaning a maximum of 63 different aperiodic CSI reports can be triggered (all bits set to 0 indicate no aperiodic CSI report is triggered). Aperiodic CSI reports are carried via PUSCH.

[0147] Artificial Intelligence / Machine Learning (AI / ML)

[0148] In this invention, an AI / ML model is used to represent the application of AI / ML technology in the NR air interface. In the enhanced beam management scenario, when the UE applies the AI / ML model, it can be used to generate reported beam measurement information. For example, when the model input is a Layer 1-RSRP (L1-RSRP) measured by a CSI-RS, the model output can be the L1-RSRP corresponding to an unmeasured CSI-RS (corresponding to a downlink beam). In this invention, the model output is referred to as the predicted L1-RSRP. When the network applies the AI / ML model, two reference signal sets can be configured for the UE. These two sets can be different; one is used for beam measurement, and the other represents the beams to be reported.

[0149] AI / ML technology can be divided into the following 5 aspects:

[0150] 1) AI / ML model training

[0151] The training of AI / ML models involves generating an inference relation (e.g., a function) based on a combination of input and output parameters, which is then used for subsequent inference. Taking a CSI generation model as an example, this model can be trained by a network or by a user device (UE). The input parameters of this model are the raw channel data (e.g., the original channel matrix), and the output parameter is the CSI reported to the network. Conversely, a CSI reconstruction model can also be trained by a network or by a UE. The input parameters of the CSI reconstruction model are the reported CSI, and the output parameter is the raw channel data.

[0152] 2) AI / ML model transfer

[0153] If the CSI generation model is trained by a network, the trained CSI generation model can be sent by the network to the UE for model inference. The sending of the model is called AI / ML model transfer.

[0154] 3) AI / ML model inference

[0155] Taking the CSI generation model as an example, the process by which the UE uses a CSI generation model to generate CSI reports is the inference process of the AI / ML model. Similarly, the process by which the network uses a CSI reconstruction model to generate raw channel data is also the inference process of the AI / ML model.

[0156] 4) AI / ML model monitoring

[0157] The network or UE needs to monitor the AI / ML model used to determine whether the model is suitable for the current channel conditions.

[0158] 5) AI / ML model update

[0159] When the network or UE deems the model no longer applicable, the AI / ML model will be updated.

[0160] CSI Reference Resource

[0161] In Rel-15NR, the CSI reference resource for a serving cell is defined as follows:

[0162] 1) For frequency domain resources, CSI reference resources represent the derived set of CSI-related downlink PRBs;

[0163] 2) For time-domain resources, assuming CSI reporting is performed in uplink time slot n', then the time-domain resource of the CSI reference resource is a downlink time slot, denoted as nn. CSI_ref ,in, μ DL and μ UL These represent the configuration of the downlink and uplink subcarrier spacing, respectively.

[0164] In Rel-15NR for n CSI_ref The definition is (taking non-periodic CSI reporting as an example):

[0165] ■ For aperiodic CSI reporting, if the CSI request field in the DCI indicates that the CSI reporting and CSI request are in the same time slot, then n CSI_ref The value of n ensures that the CSI reference resource and the corresponding CSI request are in the same valid downlink slot. Otherwise, n CSI_refThe value of is not less than the minimum delay requirement (in time slots), and satisfies nn CSI_ref This corresponds to a valid downlink time slot.

[0166] It is worth noting that in NR and NRAI / ML, the user equipment can determine the CSI reference resource corresponding to each CSI report configured by the base station and the report used for monitoring information of AI / ML models. The method for determining the CSI reference resource includes, but is not limited to, the above-mentioned method, and the present invention does not impose any limitation on it.

[0167] The following provides a detailed description of specific examples and embodiments related to this invention. Furthermore, as described above, the examples and embodiments described in this disclosure are illustrative and intended to facilitate understanding of the invention, and are not intended to limit the scope of the invention.

[0168] [Example 1]

[0169] Figure 1 This is a schematic diagram illustrating the basic process of a method executed by a user equipment according to Embodiment 1 of the present invention.

[0170] Below, in conjunction with Figure 1 The basic process diagram shown illustrates in detail the method executed by a user equipment according to Embodiment 1 of the present invention.

[0171] like Figure 1 As shown, in Embodiment 1 of the present invention, the steps performed by the user equipment include:

[0172] In step S101, the user equipment receives a Radio Resource Control (RRC) message sent by the base station, which contains one or more CSI reporting configuration information.

[0173] in,

[0174] ■The configuration information for one or more CSI reporting includes at least a first CSI report.

[0175] ● In the configuration information of the first CSI report, the reportQuantity is configured as 'p-cri' or 'p-cir-RSRP', which means that the first CSI report indicates that the reported content is a CSI report of artificial intelligence / machine learning (AI / ML) model inference.

[0176] ●The configuration information reported by the first CSI includes the first CSI-RS resource (set) (setting) and the second CSI-RS resource (set) (setting).

[0177] Optionally, the first CSI-RS resource (set) (set) is a CSI-RS resource set for channel measurement;

[0178] Optionally, the second CSI-RS resource (set) (setting) is a CSI-RS resource set used for reference signal (resource) or beam prediction.

[0179] In step S102, the user equipment determines a CSI-RS resource R CSI-RS The number of times it is referenced in one or more CSI reports.

[0180] in,

[0181] ■Optionally, if the CSI-RS resource associated with one of the one or more CSI reports contains the CSI-RS resource R CSI-RS Therefore, the CSI-RS resource R CSI-RS It was cited once.

[0182] ●Optionally, the CSI-RS resource R CSI-RS The referenced once indicates that the CSI-RS resource R CSI-RS The resource ID is configured in the CSI-RS resource set associated with the CSI report.

[0183] And / or,

[0184] ■Optionally, if the CSI-RS resource R CSI-RS If a resource R is cited N times in one or more CSI reports (where N represents a positive integer), then (the user equipment assumes or considers) the CSI-RS resource R... CSI-RS The N times were counted.

[0185] ● Optionally, the user equipment only calculates the CSI-RS resources in the first CSI-RS resource (set) (setting) in the first CSI report.

[0186] or,

[0187] ●Optionally, the CSI-RS resources in the first CSI-RS resource (set) (setting) in the first CSI report are (as the user equipment assumes) referenced.

[0188] [Example 2]

[0189] Figure 2 This is a schematic diagram illustrating the basic process of a method executed by a user equipment according to Embodiment 2 of the present invention.

[0190] Below, in conjunction with Figure 2 The basic process diagram shown illustrates in detail the method executed by the user equipment in Embodiment 2 of the present invention.

[0191] like Figure 2 As shown, in Embodiment 2 of the present invention, the steps performed by the user equipment include:

[0192] In step S201, the user equipment receives downlink control information (DCI) sent by the base station.

[0193] in,

[0194] ■ Optionally, the DCI does not schedule the transmission of uplink data, that is, the value of the 'UL-SCH' indicator field in the DCI is set to '0'.

[0195] ■Optionally, the CSI report request indication field (CSI request) in the DCI indicates that the reportQuantity in the CSI report is configured as 'none'.

[0196] ■ The CSI-RS resource associated with the CSI reporting is non-periodic.

[0197] In step S202, the user equipment determines the active time of the aperiodic CSI-RS resource.

[0198] The active time of the CSI-RS resource begins after the first symbol following the Physical Downlink Control Channel (PDCCH) carrying the DCI.

[0199] The active time of the CSI-RS resource ends at time m. i Wherein, the time m i This indicates one or more of the following:

[0200] ■m1: Optionally, the time when the PUSCH of the DCI scheduling terminates.

[0201] ●Optionally, the UE assumes that the DCI schedules the transmission of the PUSCH.

[0202] ■m2: Optionally, the last symbol of the CSI-RS resource (the last resource corresponding to it).

[0203] ■m3: Optionally, C1 symbols following the last symbol of the CSI-RS resource (the last resource corresponding to it). Wherein, C1 is determined by the UE's reporting capability (beamReportTiming).

[0204] ■m4: Optionally, C2 symbols following the first symbol after the PDCCH. Wherein, C2 is determined at least by the UE's reporting capabilities (beamReportTiming and beamSwitchTiming).

[0205] ■Optionally, the later time between m3 and m4.

[0206] Figure 3 This is a block diagram illustrating the user equipment (UE) involved in this invention. For example... Figure 3 As shown, the user equipment UE300 includes a processor 301 and a memory 302. The processor 301 may include, for example, a microprocessor, a microcontroller, an embedded processor, etc. The memory 302 may include, for example, volatile memory (such as random access memory, RAM), a hard disk drive (HDD), non-volatile memory (such as flash memory), or other types of memory. Program instructions are stored on the memory 302. When executed by the processor 301, these instructions can perform the methods described in detail herein, executed by the user equipment.

[0207] The method and related apparatus of the present invention have been described above in conjunction with preferred embodiments. Those skilled in the art will understand that the methods shown above are merely exemplary, and the various embodiments described above can be combined with each other without contradiction. The method of the present invention is not limited to the steps and sequence shown above. The network nodes and user equipment shown above may include more modules, such as modules that can be developed or will be developed in the future for use with base stations, MMEs, or UEs, etc. The various identifiers shown above are merely exemplary and not limiting, and the present invention is not limited to the specific information elements exemplified by these identifiers. Those skilled in the art can make many variations and modifications based on the teachings of the illustrated embodiments.

[0208] It should be understood that the above embodiments of the present invention can be implemented by software, hardware, or a combination of both. For example, the various components inside the base station and user equipment in the above embodiments can be implemented by a variety of devices, including but not limited to: analog circuit devices, digital circuit devices, digital signal processing (DSP) circuits, programmable processors, application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), programmable logic devices (CPLDs), and so on.

[0209] In this application, "base station" can refer to a mobile communication data and control switching center with high transmission power and wide coverage, including functions such as resource allocation and scheduling, and data reception and transmission. "User equipment" can refer to user mobile terminals, such as mobile phones, laptops, and other terminal devices that can wirelessly communicate with base stations or micro base stations.

[0210] Furthermore, the embodiments of the present invention disclosed herein can be implemented on a computer program product. More specifically, the computer program product is one that has a computer-readable medium on which computer program logic is encoded, which, when executed on a computing device, provides related operations to implement the above-described technical solutions of the present invention. When executed on at least one processor of a computing system, the computer program logic causes the processor to perform the operations (methods) described in the embodiments of the present invention. This configuration of the present invention is typically provided as software, code, and / or other data structures disposed or encoded on a computer-readable medium such as an optical medium (e.g., CD-ROM), floppy disk, or hard disk, or other media such as firmware or microcode on one or more ROM, RAM, or PROM chips, or downloadable software images, shared databases, etc., in one or more modules. The software or firmware or such configuration can be installed on a computing device to cause one or more processors in the computing device to execute the technical solutions described in the embodiments of the present invention.

[0211] Furthermore, each functional module or feature of the base station equipment and terminal equipment used in each of the above embodiments can be implemented or executed by circuitry, which is typically one or more integrated circuits. Circuitry designed to perform the various functions described in this specification can include a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, or discrete hardware components, or any combination of the above devices. The general-purpose processor can be a microprocessor, or the processor can be an existing processor, controller, microcontroller, or state machine. The aforementioned general-purpose processor or each circuit can be configured by digital circuitry or by logic circuitry. Furthermore, when advancements in semiconductor technology lead to advanced technologies that can replace current integrated circuits, the present invention can also use integrated circuits obtained using such advanced technologies.

[0212] Although the present invention has been illustrated above with reference to preferred embodiments, those skilled in the art will understand that various modifications, substitutions, and alterations can be made to the invention without departing from its spirit and scope. Therefore, the invention should not be limited by the above embodiments, but rather by the appended claims and their equivalents.

Claims

1. A method executed by a user equipment, comprising: Receive a Radio Resource Control (RRC) message from the base station containing one or more CSI reporting configuration information, wherein the CSI reporting configuration information includes configuration information for CSI reporting; For each Channel State Information Reference Signal (CSI-RS) resource, determine the number of times that CSI-RS resource is referenced in one or more configuration information reports from the CSI. in, The configuration information reported by the CSI includes a first CSI-RS resource set for channel measurement and a second CSI-RS resource set for reference signal or beam prediction. Determining the number of times a CSI-RS resource is referenced in one or more of the aforementioned CSI reports includes: When the first CSI-RS resource set contains the CSI-RS resource, it is determined that the CSI-RS resource is referenced.

2. The method according to claim 1, wherein, The method further includes: When the number of times is set to N, the CSI-RS resource is calculated N times, where N is an integer greater than or equal to 0.

3. The method according to claim 1 or 2, wherein, Determining the number of times the CSI-RS resource is referenced in one or more configuration messages reported by the CSI includes: A first CSI-RS resource set reported by a CSI is considered to contain the CSI-RS resource as if the CSI-RS resource has been referenced once.

4. The method according to claim 1 or 2, wherein, Determining the number of times the CSI-RS resource is referenced in one or more configuration messages reported by the CSI includes: When the resource identifier of the CSI-RS resource is configured in a first set of CSI-RS resources reported by the CSI, it is determined that the CSI-RS resource has been referenced once.

5. The method according to claim 1 or 2, wherein, The CSI report refers to the CSI report containing the inference results of artificial intelligence / machine learning (AI / ML) models.

6. A user equipment comprising: Processor; and Memory, which stores instructions in, The instructions, when executed by the processor, perform the method according to any one of claims 1-5.

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