WO2024038613A1 - Terminal, procédé de communication sans fil et station de base - Google Patents

Terminal, procédé de communication sans fil et station de base Download PDF

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Publication number
WO2024038613A1
WO2024038613A1 PCT/JP2022/031461 JP2022031461W WO2024038613A1 WO 2024038613 A1 WO2024038613 A1 WO 2024038613A1 JP 2022031461 W JP2022031461 W JP 2022031461W WO 2024038613 A1 WO2024038613 A1 WO 2024038613A1
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csi
information
resource
cri
ssbri
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PCT/JP2022/031461
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English (en)
Japanese (ja)
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春陽 越後
祐輝 松村
浩樹 原田
尚哉 芝池
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株式会社Ｎｔｔドコモ
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Priority to PCT/JP2022/031461 priority Critical patent/WO2024038613A1/fr
Publication of WO2024038613A1 publication Critical patent/WO2024038613A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the present disclosure relates to a terminal, a wireless communication method, and a base station in a next-generation mobile communication system.
  • LTE Long Term Evolution
  • 3GPP Rel. 10-14 is a specification for the purpose of further increasing capacity and sophistication of LTE (Third Generation Partnership Project (3GPP (registered trademark)) Release (Rel. 8, 9). was made into
  • LTE Long Term Evolution
  • 5G 5th generation mobile communication system
  • 5G+ plus
  • NR New Radio
  • E-UTRA Evolved Universal Terrestrial Radio Access
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • AI artificial intelligence
  • ML machine learning
  • CSI channel state information reference signal
  • one of the purposes of the present disclosure is to provide a terminal, a wireless communication method, and a base station that can realize suitable overhead reduction/channel estimation/resource utilization.
  • a terminal includes a receiving unit that receives information specifying a spatial domain receiving filter or panel used for measurement for a channel state information (CSI) report, and a receiving unit that receives information specifying a spatial domain receiving filter or panel to be used for measurement for a channel state information (CSI) report; or a transmitting unit that transmits the CSI report including the results measured using the panel.
  • CSI channel state information
  • suitable overhead reduction/channel estimation/resource utilization can be achieved.
  • FIG. 1 is a diagram illustrating an example of an AI model management framework.
  • 2A and 2B are diagrams illustrating an example of an AI-based beam report.
  • FIG. 3 shows Rel. 17 is a diagram showing an example of a CSI report for multi-group base beam reporting after NR.
  • 4A and 4B are diagrams illustrating variations in spatial domain DL beam prediction.
  • FIG. 5 is a diagram showing the relationship between relative power and angle between adjacent beams.
  • FIG. 6 is a diagram illustrating an example of grouping of CSI-RS resource sets according to Embodiment 1.1.
  • FIG. 7 is a diagram showing the association between CSI report settings and CSI resource settings according to Embodiment 1.2.
  • FIG. 8 is a diagram illustrating an example of grouping of CSI-RS resource sets according to Embodiment 1.3.
  • FIG. 9 is a diagram illustrating an example of a CSI reporting operation between a UE and a base station according to Embodiment 1.3.
  • FIG. 10 is a diagram illustrating an example of a CSI report according to Embodiment 1.3.
  • FIG. 11 is a diagram illustrating an example of grouping of CSI-RS resource sets according to Embodiment 1.4.
  • FIG. 12 is a diagram illustrating an example of a CSI reporting operation between a UE and a base station according to Embodiment 1.4.
  • 13A and 13B are diagrams showing an example of a CSI report according to Embodiment 1.4.
  • FIG. 14 is a diagram illustrating an example of resource selection according to Embodiment 2.1.
  • 15A and 15B are diagrams illustrating an example of resource selection according to Embodiment 2.1.1.
  • FIG. 16 is a diagram illustrating an example of a CSI report according to Embodiment 2.1.
  • FIG. 17 is a diagram illustrating an example of resource selection according to Embodiment 2.1.5.
  • FIG. 18 is a diagram showing resource selection according to a modified example.
  • FIG. 19 is a diagram illustrating an example of resource selection according to Embodiment 2.2.1.1.
  • FIG. 20 is a diagram illustrating an example of resource selection according to Embodiment 2.2.1.2.
  • FIG. 21 is a diagram illustrating another example of resource selection according to Embodiment 2.2.1.2.
  • FIG. 22 is a diagram illustrating an example of resource selection according to Embodiment 2.2.2.
  • FIG. 23 is a diagram illustrating an example of a CSI report according to Embodiment 2.2.2.
  • FIG. 24 is a diagram illustrating another example of resource selection according to Embodiment 2.2.2.
  • FIG. 25 shows regions to which resources according to Embodiment 3.1 are mapped.
  • 26A to 26D are diagrams showing examples of bit widths of parameters included in a CSI report according to Embodiment 3.3.
  • FIG. 27 is a diagram illustrating an example of an operation between a UE and a base station according to the fourth embodiment.
  • FIG. 28 is a diagram showing the relationship between the UE panel and SRS resources according to the fifth embodiment.
  • FIG. 29 is a diagram illustrating an example of a schematic configuration of a wireless communication system according to an embodiment.
  • FIG. 30 is a diagram illustrating an example of the configuration of a base station according to an embodiment.
  • FIG. 31 is a diagram illustrating an example of the configuration of a user terminal according to an embodiment.
  • FIG. 32 is a diagram illustrating an example of the hardware configuration of a base station and a user terminal according to an embodiment.
  • FIG. 33 is a diagram illustrating an example of a vehicle according to an embodiment.
  • a terminal also referred to as a user terminal, User Equipment (UE), etc. transmits channel state information based on a reference signal (RS) (or resources for the RS).
  • RS reference signal
  • CSI channel state information
  • CSI is generated (also referred to as determination, calculation, estimation, measurement, etc.), and the generated CSI is transmitted (also referred to as report, feedback, etc.) to the network (for example, a base station).
  • the CSI may be transmitted to the base station using, for example, an uplink control channel (eg, Physical Uplink Control Channel (PUCCH)) or an uplink shared channel (eg, Physical Uplink Shared Channel (PUSCH)).
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • the RS used to generate CSI is, for example, a channel state information reference signal (CSI-RS), a synchronization signal/physical broadcast channel (SS/PBCH) block, or a synchronization signal/physical broadcast channel (SS/PBCH) block.
  • CSI-RS channel state information reference signal
  • SS/PBCH synchronization signal/physical broadcast channel
  • SS/PBCH synchronization signal/physical broadcast channel
  • DMRS demodulation reference signal
  • the CSI-RS may include at least one of a Non-Zero Power (NZP) CSI-RS and a CSI-Interference Management (CSI-IM).
  • the SS/PBCH block is a block that includes SS and PBCH (and corresponding DMRS), and may be called an SS block (SSB) or the like. Further, the SS may include at least one of a primary synchronization signal (PSS) and a secondary synchronization signal (SSS).
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • CSI includes a channel quality indicator (CQI), a precoding matrix indicator (PMI), a CSI-RS resource indicator (CRI), and a SS /PBCH block resource indicator (SSBRI), layer indicator (LI), rank indicator (RI), L1-RSRP (reference signal reception in layer 1) At least one of the even if it includes one good.
  • CQI channel quality indicator
  • PMI precoding matrix indicator
  • CRI CSI-RS resource indicator
  • SSBRI SS /PBCH block resource indicator
  • LI layer indicator
  • RI rank indicator
  • L1-RSRP reference signal reception in layer 1
  • the UE may receive information regarding CSI reporting (report configuration information) and control CSI reporting based on the report configuration information.
  • the report configuration information may be, for example, "CSI-ReportConfig" of an information element (IE) of radio resource control (RRC).
  • IE information element
  • RRC radio resource control
  • the report configuration information may include, for example, at least one of the following.
  • - Information about the type of CSI report (report type information, e.g. "reportConfigType” of RRC IE)
  • - Information regarding one or more quantities of CSI to be reported (one or more CSI parameters)
  • report quantity information e.g. "reportQuantity” of RRC IE
  • report quantity information e.g. "reportQuantity” of RRC IE
  • resource information for example, "CSI-ResourceConfigId" of the RRC IE
  • frequency domain information e.g. "reportFreqConfiguration" of RRC IE
  • the report type information may include periodic CSI (P-CSI) reporting, aperiodic CSI (A-CSI) reporting, or semi-persistent (semi-persistent, semi-persistent) reporting.
  • P-CSI periodic CSI
  • A-CSI aperiodic CSI
  • SP-CSI Semi-Persistent CSI
  • the report amount information may specify at least one combination of the above CSI parameters (for example, CRI, RI, PMI, CQI, LI, L1-RSRP, etc.).
  • the CRI/SSBRI fields are determined based on the number of CSI-RS resources or the number of SS/PBCH blocks in the resource set, respectively.
  • the CSI report includes information regarding the CRI/SSBRI/L1-RSRP/L1-SINR and the corresponding panel. This information may be called Capability Index and has a bit width of 2 bits.
  • AI Artificial Intelligence
  • ML machine learning
  • improved Channel State Information Reference Signal (CSI) feedback e.g., reduced overhead, improved accuracy, prediction
  • improved beam management e.g., improved accuracy, prediction in the time/spatial domain
  • CSI Channel State Information Reference Signal
  • UE user terminals
  • BS Base Stations
  • the AI model may output at least one information such as an estimated value, a predicted value, a selected action, a classification, etc.
  • the UE/BS inputs channel state information, reference signal measurements, etc. to the AI model, and provides highly accurate channel state information/measurements/beam selection/position, future channel state information/radio link quality, etc. may be output.
  • AI may be read as an object (also referred to as a target, object, data, function, program, etc.) that has (implements) at least one of the following characteristics: ⁇ Estimation based on observed or collected information; - Selection based on observed or collected information; - Predictions based on observed or collected information.
  • estimation, prediction, and inference may be interchanged with each other.
  • estimate the terms “estimate,” “predict,” and “infer” may be used interchangeably.
  • an object may be, for example, an apparatus, a device, etc., such as a UE or a BS. Furthermore, in the present disclosure, an object may correspond to a program/model/entity that operates on the device.
  • the AI model may be replaced by an object that has (implements) at least one of the following characteristics: ⁇ Produce estimates by feeding information, ⁇ Predict the estimated value by giving information, ⁇ Discover characteristics by providing information, ⁇ Select an action by providing information.
  • an AI model may refer to a data-driven algorithm that applies AI technology and generates a set of outputs based on a set of inputs.
  • AI models, models, ML models, predictive analytics, predictive analysis models, tools, autoencoders (autoencoders), encoders, decoders, neural network models, AI algorithms, etc. may be read interchangeably.
  • the AI model may be derived using at least one of regression analysis (eg, linear regression analysis, multiple regression analysis, logistic regression analysis), support vector machine, random forest, neural network, deep learning, etc.
  • the autoencoder may be interchanged with any autoencoder such as a stacked autoencoder or a convolutional autoencoder.
  • the encoder/decoder of the present disclosure may adopt models such as Residual Network (ResNet), DenseNet, RefineNet, etc.
  • an encoder encoding, encode/encoded, modification/change/control by an encoder, compressing, compress/compressed, generation ( “generate”, “generate/generated”, etc. may be used interchangeably.
  • a decoder decoding, decode/decoded, modification/change/control by a decoder, decompressing, decompress/decompressed, re- Reconstructing, reconstruct/reconstructed, etc. may be used interchangeably.
  • layers may be interchanged with layers (input layer, intermediate layer, etc.) used in the AI model.
  • the layers of the present disclosure include an input layer, an intermediate layer, an output layer, a batch normalization layer, a convolution layer, an activation layer, a dense layer, a normalization layer, a pooling layer, an attention layer, a dropout layer, It may correspond to at least one of the fully connected layers.
  • AI model training methods may include supervised learning, unsupervised learning, reinforcement learning, federated learning, and the like.
  • Supervised learning may refer to the process of training a model from input and corresponding labels.
  • Unsupervised learning may refer to the process of training a model without labeled data.
  • Reinforcement learning is the process of training a model from inputs (in other words, states) and feedback signals (in other words, rewards) resulting from the model's outputs (in other words, actions) in the environment in which the models are interacting. It can also mean
  • generation, calculation, derivation, etc. may be read interchangeably.
  • implementation, operation, operation, execution, etc. may be read interchangeably.
  • training, learning, updating, retraining, etc. may be used interchangeably.
  • inference, after-training, production use, actual use, etc. may be read interchangeably.
  • a signal may be interchanged with a signal/channel.
  • FIG. 1 is a diagram illustrating an example of an AI model management framework.
  • each stage related to the AI model is shown as a block.
  • This example is also expressed as AI model life cycle management.
  • the data collection stage corresponds to the stage of collecting data for generating/updating an AI model.
  • the data collection stage includes data reduction (e.g., deciding which data to transfer for model training/model inference), data transfer (e.g., to entities performing model training/model inference (e.g., UE, gNB)), and transfer data).
  • data collection may refer to a process in which data is collected by a network node, management entity, or UE for the purpose of AI model training/data analysis/inference.
  • process and “procedure” may be interchanged with each other.
  • model training is performed based on the data (training data) transferred from the collection stage.
  • This stage includes data preparation (e.g., performing data preprocessing, cleaning, formatting, transformation, etc.), model training/validation, and model testing (e.g., whether the trained model meets performance thresholds). verification), model exchange (e.g., transferring a model for distributed learning), model deployment/updating (deploying/updating a model to an entity that performs model inference), etc.
  • AI model training may refer to processing for training an AI model in a data-driven manner and obtaining a trained AI model for inference.
  • AI model validation may refer to a training sub-process for evaluating the quality of an AI model using a data set different from the data set used for model training. This sub-processing helps select model parameters that generalize beyond the dataset used to train the model.
  • AI model testing refers to a sub-process of training to evaluate the performance of the final AI model using a dataset different from the dataset used for model training/validation. You may. Note that unlike validation, testing does not have to be based on subsequent model tuning.
  • model inference is performed based on the data (inference data) transferred from the collection stage.
  • This stage includes data preparation (e.g., performing data preprocessing, cleaning, formatting, transformation, etc.), model inference, model monitoring (e.g., monitoring the performance of model inference), and model performance feedback (the entity performing model training). (feedback of model performance to actors), output (provide model output to actors), etc.
  • AI model inference may refer to processing for producing a set of outputs from a set of inputs using a trained AI model.
  • a UE side model may refer to an AI model whose inference is completely performed in the UE.
  • a network side model may refer to an AI model whose inference is performed entirely in the network (eg, gNB).
  • the one-sided model may mean a UE-side model or a network-side model.
  • a two-sided model may refer to a pair of AI models in which joint inference is performed.
  • joint inference may include AI inference where the inference is performed jointly across the UE and the network, e.g., the first part of the inference is performed by the UE first and the remaining part is performed by the gNB. (or vice versa).
  • AI model monitoring may mean processing for monitoring the inference performance of an AI model, and may be interchanged with model performance monitoring, performance monitoring, etc.
  • model registration may mean making the model executable by assigning a version identifier to the model and compiling it on specific hardware used in the inference stage.
  • Model deployment also refers to delivering (or distributing) a fully developed and tested model runtime image (or image of an execution environment) to a target (e.g., UE/gNB) on which inference is performed. It may also mean ⁇ enabled''.
  • the actor stage includes action triggers (e.g., deciding whether to trigger an action on other entities), feedback (e.g., feeding back information necessary for training data/inference data/performance feedback), etc. May include.
  • action triggers e.g., deciding whether to trigger an action on other entities
  • feedback e.g., feeding back information necessary for training data/inference data/performance feedback
  • training of a model for mobility optimization may be performed, for example, in Operation, Administration and Maintenance (Management) (OAM) in a network (Network (NW)) / gNodeB (gNB).
  • OAM Operation, Administration and Maintenance
  • NW Network
  • gNodeB gNodeB
  • the former has advantages in interoperability, large storage capacity, operator manageability, and model flexibility (e.g., feature engineering). In the latter case, the advantage is that there is no need for model update latency or data exchange for model development.
  • Inference of the above model may be performed in the gNB, for example.
  • the entity that performs the training/inference may be different.
  • Functions of the AI model may include beam management, beam prediction, autoencoder (or information compression), positioning, etc.
  • the OAM/gNB may perform model training and the gNB may perform model inference.
  • a Location Management Function may perform model training, and the LMF may perform model inference.
  • the OAM/gNB/UE may perform model training and the gNB/UE (jointly) may perform model inference.
  • the OAM/gNB/UE may perform model training and the UE may perform model inference.
  • model activation may mean activating an AI model for a specific function.
  • Model deactivation may mean disabling an AI model for a particular function.
  • Model switching may mean deactivating the currently active AI model for a particular function and activating a different AI model.
  • model transfer may mean distributing the AI model over the air interface. This distribution may include distributing one or both of the parameters of the model structure known at the receiving end, or a new model with the parameters. This distribution may also include complete models or partial models. Model download may refer to model transfer from the network to the UE. Model upload may refer to model transfer from the UE to the network.
  • Beam prediction by AI model on NW side In future wireless communication systems (for example, Rel. 18 and later), the introduction of beam management with beam prediction is being considered.
  • spatial domain downlink (DL) beam prediction or temporal DL beam prediction using a one-sided AI model in the UE or NW is being considered.
  • Such a beam prediction method may be called AI-based beam prediction (beam reporting), AI-based beam management (BM), or the like.
  • beam prediction using an AI model on the NW side will be illustrated.
  • Spatial Domain DL Beam Prediction and Temporal DL Beam Prediction Time domain beam prediction may be performed in at least one of the UE and the base station.
  • FIGS. 2A and 2B are diagrams showing an example of an AI-based beam report.
  • FIG. 2A shows spatial domain DL beam prediction.
  • the UE/base station measures spatially sparse (or thick) beams, inputs the measurement results, etc. to an AI model, and outputs the beam quality prediction results for spatially dense (or thin) beams. It's okay.
  • Figure 2B shows temporal DL beam prediction.
  • the UE/base station may measure time-series beams, input the measurement results and the like into an AI model, and output prediction results of beam quality of future beams.
  • BM case 1 spatial domain DL beam prediction
  • BM case 2 temporal DL beam prediction
  • the beams related to the output (prediction results) of the AI model may be referred to as a set A of beams.
  • the beams associated with the input of the AI model may be referred to as set B of beams.
  • beam set A and set B may be in the same frequency band.
  • the input candidates for the AI model for BM case 1/2 are L1-RSRP (Layer 1 Reference Signal Received Power), assistance information (for example, beam shape information, UE position/direction information, Examples include transmit beam usage information), channel impulse response (CIR) information, and corresponding DL transmit/receive beam ID.
  • L1-RSRP Layer 1 Reference Signal Received Power
  • assistance information for example, beam shape information, UE position/direction information, Examples include transmit beam usage information
  • CIR channel impulse response
  • the output candidates of the AI model for BM case 1 are the IDs of the top K transmit/receive beams (K is an integer), the predicted L1-RSRP of these beams, and the predicted L1-RSRP of each beam. These include the probability of entry, the angle of these beams, etc.
  • Candidates for the output of the AI model in BM case 2 include predicted beam failures in addition to candidates for the output of the AI model in BM case 1.
  • a sparse (or thick/wide) beam may mean a sparsely distributed beam (pattern) in a spatial/angular domain.
  • a dense (or thin/narrow) beam may mean a beam (pattern) that is densely distributed in the spatial/angular domain.
  • AI model information input/output information of the AI model (for example, the above-mentioned beam measurement results and beam quality prediction results) may be referred to as AI model information.
  • Group base beam report For future wireless communication systems (e.g. Rel. 17 and later), user terminals (User Equipment (UE)) with multiple panels (multi-panels), multiple transmission/reception points (Multi-Transmission/Reception Points), etc.
  • Beam management-related enhancements e.g., beam reporting suitable for multiple TRPs, which may be referred to as enhanced group-based beam reporting) are being considered for TRP) and the like.
  • Group-based beam reporting is suitable when multi-TRP transmission, multi-panel reception, etc. are applied because one group including multiple (for example, two) CRI/SSBRI can be reported in one report. For example, it can be used to report the best beam of TRP1 as RSRP#1 and the best beam of TRP2 as difference RSRP#2.
  • a UE with groupBasedBeamReporting enabled may only report one group containing two different CRI/SSBRIs (which may be read as beam indexes) for each reporting configuration. Can not. For this reason, Rel. 17, it is envisaged that the number of groups that can be reported by group-based beam reporting will be expanded.
  • two channel measurement resource sets may be configured/triggered as periodic/semi-persistent/periodic resource types.
  • the two channel measurement resource sets (eg, CMR set) may be, for example, two CSI-SSB-resource sets/two NZP-CSI-RS-resource sets.
  • the UE may be configured to be able to report up to four groups of CRI/SSBRI. Note that the number of reportable groups (or the number of candidates 1/2/3/4) may be set by an upper layer parameter (for example, nrofReportedGroups).
  • Each group has multiple (e.g., two) CRI/SSBRI, and each group's CRI/SSBRI has two CSI resource sets (CSI-SSB-resource set/ NZP-CSI-RS-Resource Set). Also, two CRI/SSBRIs in each group may mean that the UE can receive them simultaneously (eg, receive them simultaneously with one spatial domain receive filter).
  • FIG. 3 is a diagram showing an example of a CSI report when performing extended group base beam reporting.
  • FIG. 3 shows the mapping order of CSI fields included in one report (eg, nth CSI report #n) for group-based CSI/RSRP or SSBRI/RSRP reporting.
  • Each group includes multiple (eg, two) CRI/SSBRIs.
  • CRI or SSBRI #1 and CRI or SSBRI #2 are reported as each resource group.
  • a resource set indicator (for example, Resource set indicator) may be included in the CSI field.
  • the value of the resource set indicator may indicate the CSI resource set associated with the largest measured value of L1-RSRP.
  • the value of the resource set indicator may indicate the CSI resource set for which the CRI or SSBRI #1 of the first resource group is reported.
  • a 1-bit resource set indicator having a value of 0 or 1 indicates the first or second CSI resource set, respectively, from which the CRI or SSBRI #1 of the first resource group may be reported. All remaining resource groups (eg, if there are other resource groups to be reported) follow the same mapping order as the first resource group. For example, the CRI or SSBRI #1 of all remaining resource groups may be reported (or selected) from the CSI resource set indicated by the resource set index.
  • the CRI or SSBRI #1 of each group is reported (or selected) from the CSI resource set indicated by the resource set indicator (e.g., Resource set indicator), and the CRI or SSBRI #2 of each group is reported (or selected) from the CSI resource set indicated by the resource set indicator. It may be reported (or selected) from In this way, in all resource groups, CRI or SSBRI #1 and CRI or SSBRI #2 may be reported from different CSI resource sets.
  • the resource set indicator e.g., Resource set indicator
  • the RSRP corresponding to the beam index (for example, CRI or SSBRI) of each resource group is reported.
  • the RSRP of a specific group's CRI or SSBRI may be reported, and the difference between the other RSRP and the RSRP of the specific group's CRI or SSBRI may be reported.
  • the RSRP of the CRI or SSBRI of the specific group may be the RSRP of the CRI or SSBRI #1 of the first resource group.
  • Enhanced group-based beam reporting may be configured (or enabled/activated) by a predetermined upper layer parameter (for example, groupBasedBeamReporting-r17).
  • a predetermined upper layer parameter for example, groupBasedBeamReporting-r17.
  • enhanced group-based beam reporting may be determined to be valid if an upper layer parameter regarding the number of groups to report (eg, nrofReportedGroups-r17) is set.
  • FIGS. 4A and 4B are diagrams showing variations of spatial domain DL beam prediction.
  • the channel between the base station and the UE consists of multiple transmission paths (multipaths) (for example, the case of Non-Line Of Site (NLOS))
  • the channel between the base station and the UE is oriented in all directions (directional
  • measurement results based on multiple beams the beam shape of which is a radial shape
  • the measurement results that are input do not necessarily include the measurement results of the best beam.
  • a method of determining/selecting CRI/SSBRI to cover a wide space is effective.
  • Measurement results based on overlapping multiple beams (adjacent beams), as shown in Figure 4B, are similar to the case of a dominant transmission path where the channel is biased in one direction (e.g. This method is suitable for beam prediction in line-of-site (LOS) cases. It is possible to estimate the beam angle from at least two adjacent beam measurements.
  • LOS line-of-site
  • FIG. 5 is a diagram showing the relationship between relative power and angle between adjacent beams.
  • the horizontal axis represents the angle of the beam, and the vertical axis represents the received power of the beam.
  • FIG. 5 shows a case where at least two adjacent beams (RS resource #i, RS resource #i+1) overlap, as described in FIG. 4B.
  • the relative power between two adjacent beams can be calculated from the received power of each of the two adjacent beams, and the angle of the corresponding beam can be estimated from the relative power.
  • a method of determining/selecting CRI/SSBRI (corresponding to adjacent beams) for beam prediction having directivity in a certain direction is effective.
  • CSI report that includes CRI/SSBRI corresponding to a beam covering a wide space for a multipath environment as described above, CRI/SSBRI corresponding to an overlapping beam for a dominant path environment, etc. No consideration has been given to how to implement reporting. If these considerations are not sufficient, appropriate overhead reduction/highly accurate channel estimation/highly efficient resource utilization may not be achieved, and improvements in communication throughput/communication quality may be suppressed.
  • the present inventors came up with a CSI feedback method that can accommodate multiple beam directivities (radiation patterns). Note that each embodiment of the present disclosure may be applied when AI/prediction is not used.
  • A/B and “at least one of A and B” may be read interchangeably. Furthermore, in the present disclosure, “A/B/C” may mean “at least one of A, B, and C.”
  • Radio Resource Control RRC
  • RRC parameters RRC parameters
  • RRC messages upper layer parameters, fields, Information Elements (IEs), settings, etc.
  • IEs Information Elements
  • CE Medium Access Control Element
  • update command activation/deactivation command, etc.
  • upper layer signaling is, for example, any one of Radio Resource Control (RRC) signaling, Medium Access Control (MAC) signaling, broadcast information, positioning protocol (e.g., LTE Positioning Protocol (LPP)) message, or A combination of these may also be used.
  • RRC Radio Resource Control
  • MAC Medium Access Control
  • LTP LTE Positioning Protocol
  • MAC signaling may use, for example, a MAC Control Element (MAC CE), a MAC Protocol Data Unit (PDU), or the like.
  • Broadcast information includes, for example, a master information block (MIB), a system information block (SIB), a minimum system information (RMSI), and other system information ( Other System Information (OSI)) may also be used.
  • MIB master information block
  • SIB system information block
  • RMSI minimum system information
  • OSI Other System Information
  • the physical layer signaling may be, for example, downlink control information (DCI), uplink control information (UCI), etc.
  • DCI downlink control information
  • UCI uplink control information
  • an index an identifier (ID), an indicator, a resource ID, etc.
  • ID an identifier
  • indicator an indicator
  • resource ID a resource ID
  • sequences, lists, sets, groups, groups, clusters, subsets, etc. may be used interchangeably.
  • a panel, a UE panel, a panel group, a beam, a beam group, a precoder, an uplink (UL) transmitting entity, a transmission/reception point (TRP), a base station, and a spatial relation information (SRI) are described.
  • SRS resource indicator SRI
  • control resource set CONtrol REsource SET (CORESET)
  • Physical Downlink Shared Channel PDSCH
  • codeword CW
  • Transport Block Transport Block
  • TB transport Block
  • RS reference signal
  • antenna port e.g. demodulation reference signal (DMRS) port
  • antenna port group e.g.
  • DMRS port group groups (e.g., spatial relationship groups, Code Division Multiplexing (CDM) groups, reference signal groups, CORESET groups, Physical Uplink Control Channel (PUCCH) groups, PUCCH resource groups), resources (e.g., reference signal resources, SRS resource), resource set (for example, reference signal resource set), CORESET pool, downlink Transmission Configuration Indication state (TCI state) (DL TCI state), uplink TCI state (UL TCI state), unified TCI Unified TCI state, common TCI state, quasi-co-location (QCL), QCL assumption, etc. may be read interchangeably.
  • groups e.g., spatial relationship groups, Code Division Multiplexing (CDM) groups, reference signal groups, CORESET groups, Physical Uplink Control Channel (PUCCH) groups, PUCCH resource groups
  • resources e.g., reference signal resources, SRS resource
  • resource set for example, reference signal resource set
  • CORESET pool downlink Transmission Configuration Indication state (TCI state) (DL TCI state), up
  • CSI-RS Non Zero Power (NZP) CSI-RS, Zero Power (ZP) CSI-RS, and CSI Interference Measurement (CSI-IM) are: They may be read interchangeably. Additionally, the CSI-RS may include other reference signals.
  • NZP Non Zero Power
  • ZP Zero Power
  • CSI-IM CSI Interference Measurement
  • RS to be measured/reported may mean RS to be measured/reported for CSI reporting.
  • timing, time, time, time instance, slot, subslot, symbol, subframe, etc. may be read interchangeably.
  • direction, axis, dimension, domain, polarization, polarization component, etc. may be read interchangeably.
  • the RS may be, for example, a CSI-RS, an SS/PBCH block (SS block (SSB)), or the like.
  • the RS index may be a CSI-RS resource indicator (CSI-RS resource indicator (CRI)), an SS/PBCH block resource indicator (SS/PBCH block indicator (SSBRI)), or the like.
  • channel measurement/estimation includes, for example, a channel state information reference signal (CSI-RS), a synchronization signal (SS), a synchronization signal/broadcast channel (Synchronization Signal/Physical It may be performed using at least one of a Broadcast Channel (SS/PBCH) block, a demodulation reference signal (DMRS), a measurement reference signal (Sounding Reference Signal (SRS)), and the like.
  • CSI-RS channel state information reference signal
  • SS synchronization signal
  • SS/PBCH Broadcast Channel
  • DMRS demodulation reference signal
  • SRS Sounding Reference Signal
  • CSI includes a channel quality indicator (CQI), a precoding matrix indicator (PMI), and a CSI-RS resource indicator (CRI).
  • CQI channel quality indicator
  • PMI precoding matrix indicator
  • CRI CSI-RS resource indicator
  • SSBRI SS/PBCH Block Resource Indicator
  • LI Layer Indicator
  • RI Rank Indicator
  • L1-RSRP Reference in Layer 1 Signal received power (Layer 1 Reference Signal Received Power), L1-RSRQ (Reference Signal Received Quality), L1-SINR (Signal to Interference plus Noise Ratio), L1-SNR (Signal to Noise Ratio), channel matrix (or channel information regarding the precoding matrix (or precoding coefficients), and the like.
  • UCI UCI
  • CSI report CSI report
  • beam report beam report
  • CSI feedback feedback information, feedback bit, etc.
  • bits, bit strings, bit sequences, sequences, values, information, values obtained from bits, information obtained from bits, etc. may be interchanged.
  • the relevant entities are the UE and the BS in order to explain an AI model regarding communication between the UE and the BS, but the application of each embodiment of the present disclosure is not limited to this.
  • the UE and BS in the embodiment below may be replaced with a first UE and a second UE.
  • the UE, BS, etc. of the present disclosure may be replaced with any UE/BS.
  • CSI-RS resources include Non Zero Power (NZP) CSI-RS resources, Zero Power (ZP) CSI-RS resources, and CSI Interference Measurement (CSI-IM)) resources.
  • NZP Non Zero Power
  • ZP Zero Power
  • CSI-IM CSI Interference Measurement
  • SMR signal measurement resources
  • CMR channel measurement resources
  • SMR may include, for example, NZP CSI-RS resources/SSB for channel measurements.
  • IMR interference measurement resource
  • CSI-RS may be read interchangeably with SSB.
  • the NZP-CSI-RS-resource set may be interchanged with the CSI-SSB-resource set
  • the CRI/CSI-RS resource ID may be interchanged with the SSBRI/SSB index.
  • the resource set may be either a CSI resource set or a CSI-SSB resource set. More specifically, the RRC information elements NZP-CSI-RS-ResourceSet and CSI-SSB-ResourceSet may be read interchangeably.
  • the CSI-RS resource set may include a CMR set, an IMR set, or other measurement resource sets. Further, the CSI-RS resource set in the following embodiments may correspond to a CSI-RS resource set for L1-RSRP/SINR measurement (or reporting). Furthermore, in the embodiments below, RSRP and SINR may be read interchangeably.
  • the first embodiment relates to grouping of RSs.
  • Embodiment 1.1 one or more (or multiple) CSI-RS resource sets (CSI resource sets) may be mutually read as one CSI resource setting (CSI resource configuration (or RRC information element CSI-ResourceConfig)).
  • CSI resource configuration or RRC information element CSI-ResourceConfig
  • the UE may be configured with one or more CSI resource sets (for example, a channel measurement resource (CMR) set) for one CSI resource setting.
  • CMR channel measurement resource
  • FIG. 6 is a diagram illustrating an example of grouping of CSI resource sets according to Embodiment 1.1.
  • a plurality of (for example, three) resources (ResourceID#1-#3) are set for one CSI resource set (ResourceSetID#1-#3).
  • the three illustrated resource sets are configured in association with one CSI resource setting (by a list (for example, csi-RS-ResourceSetList) within the CSI resource setting).
  • multiple (for example, three) CSI resource sets can be configured for one CSI resource setting. That is, for example, CSI-RS resource sets may be grouped for spatial domain DL beam prediction. More specifically, a set of CSI resources (CSI resource set) corresponding to a plurality of beams capable of covering a wide range as shown in FIG. 4A, a plurality of adjacent beams as shown in FIG. 4B, etc. can be grouped. Thereby, the UE can perform a desired CSI report to the base station. Meanwhile, the base station can receive measurements from the UE suitable for spatial domain DL beam prediction.
  • Embodiment 1.1 is applicable to periodic or semi-persistent CSI resource settings. Settings related to grouping may be performed based on information described below (information described in ⁇ Supplementary>, for example, specific RRC parameters).
  • Embodiment 1.2 grouping in aperiodic CSI resource setting will be described.
  • the UE may be configured with RRC parameters (e.g. CSI-AperiodicTriggerState or CSI-AssociatedReportConfigInfo) associated with one or more (or multiple) CSI resource sets.
  • RRC parameters e.g. CSI-AperiodicTriggerState or CSI-AssociatedReportConfigInfo
  • One trigger state may include a list of associated CSI report settings (CSI report settings (or RRC information element CSI-ReportConfig)).
  • FIG. 7 is a diagram showing the association between CSI report settings and CSI resource settings according to Embodiment 1.2.
  • the CSI request field included in the DCI may indicate one trigger condition.
  • the specified trigger condition is associated with one or more of the CSI report settings (eg, Reporting setting #1-#4) (Reporting setting #3 in the figure).
  • a certain CSI report setting (Reporting setting #3) may be associated with a plurality of CSI resource sets (CSI-RS resource set #0-#2). In this case, multiple CSI resource sets may be grouped into one CSI resource setting (Resource setting #1).
  • CSI resource sets can also be grouped for non-periodic CSI reporting, for example for spatial domain DL beam prediction.
  • Embodiment 1.2 is applicable to aperiodic CSI resource setting.
  • Settings related to grouping may be performed based on information described below (information described in ⁇ Supplementary>, for example, specific RRC parameters).
  • Embodiment 1.3 describes reporting of grouped CSI resource settings.
  • the UE selects N CRI/SSBRIs from one CSI resource set from among multiple CSI resource sets associated with one CSI resource setting or trigger state (CSI-AperiodicTriggerState) and reports a single reporting instance (CSI-AperiodicTriggerState). report).
  • N may be determined by an RRC parameter (for example, nrofReportedRS).
  • N may be an integer larger than 1, for example, or may include 1.
  • FIG. 8 is a diagram illustrating an example of grouping of CSI resource sets according to Embodiment 1.3.
  • the UE can select one CSI resource set from a plurality of grouped CSI resource sets (ResourceSetID#1-#3). Further, the UE can select N resources (for example, N resources among Resource IDs #1 to #3) (CSI-RS resources/SSB resources) from one selected CSI resource set.
  • N resources for example, N resources among Resource IDs #1 to #3
  • FIG. 9 is a diagram illustrating an example of a CSI reporting operation between a UE and a base station according to Embodiment 1.3.
  • the UE may determine (select) one or more CRI/SSBRI from one reported CSI resource set. Additionally, the UE may report the received power (eg, L1-RSRP) of the selected CRI/SSBRI to the base station.
  • the received power eg, L1-RSRP
  • FIG. 10 is a diagram showing an example of a CSI report according to Embodiment 1.3.
  • the CSI field may include a resource set indicator.
  • the UE can use the resource set indicator to report to the base station which CSI resource set the CSI resource for which received power is to be reported is selected.
  • all received power may be determined based on the CSI resource set #X.
  • the illustrated CRIs (or SSBRIs) #1 to #4 all indicate resources within the CSI resource set #X.
  • the bit width of the resource set indicator may be determined based on specific rules/parameters. For example, the bit width may be determined based on the CSI resource setting or the number of CSI resource sets associated with the trigger state (CSI-AperiodicTriggerState). More specifically, the bit width may be determined by, for example, ceil(log2(S)). The S may be the number of related CSI resource sets. In this disclosure, ceil(X) may mean multiplying X by a ceiling function.
  • the bit width of the CRI/SSBRI field is based on the number (maximum number or arbitrary number) of CSI resources/SSB resources in one CSI resource set associated with the CSI resource setting or trigger state (CSI-AperiodicTriggerState). may be determined.
  • the bit width may be determined by, for example, ceil(log2(M)).
  • the M may be the number of CSI resources in the associated CSI resource set.
  • the UE may not assume that the number of CSI resources in each CSI resource set is greater than N (eg, nrofReportedRS). That is, the UE may assume that the number of CSI resources in each CSI resource set is no greater than N.
  • M is the maximum number of CSI resources per CSI resource set among the one or more CSI resource sets specified by the resource set index (that is, the maximum number of CSI resources included in the CSI resource set to which the most CSI resources are configured) number of CSI resources).
  • the bit widths of CRI (or SSBRI) #1 to #4 are all the same regardless of the value of the resource set index.
  • M may be the number of CSI resources per CSI resource set specified by the resource set index.
  • the bit widths of CRI (or SSBRI) #1-#4 may be different. Note that when N is not the maximum number but an arbitrary number, the UE may assume that the number of CSI resources in each CSI resource set is the same among the plurality of CSI resource sets.
  • the UE may also determine the CSI resource set to be reported in a single reporting instance based on at least one of the following rules (options 1-3): That is, options 1-3 below indicate how to determine the resource set index.
  • - Option 1 The UE determines the CSI resource set containing the CSI resource that achieves the maximum RSRP/SINR in channel measurements as the CSI resource set for reporting.
  • - Option 2 The UE determines a CSI resource set that includes N CSI resources (the number of CSI resources to be reported as described above) that achieves the maximum average RSRP/SINR in channel measurement as a CSI resource set for reporting. .
  • - Option 3 The UE randomly determines the CSI resource set.
  • Embodiment 1.3 the UE can select desired CSI resources that need to be reported from one grouped CSI resource set and report them to the base station. Note that Embodiment 1.3 may be applied when information described below (information described in ⁇ Supplementary>, for example, specific RRC parameters) is set.
  • Embodiment 1.4 In Embodiment 1.4, another example of resource selection will be described.
  • the UE selects a CRI/SSBRI having the same resource ID from each of a plurality of CSI resource sets associated with one CSI resource setting or trigger state (CSI-AperiodicTriggerState), and selects the CRI/SSBRI as a single CSI resource set. may be reported in a reporting instance. Note that "having the same resource ID" may be interpreted as corresponding to the same i-th (i is an integer) entry in each CSI resource set.
  • Embodiment 1.4 may be applied when information described below (information described in ⁇ Supplementary>, for example, specific RRC parameters) is set.
  • the corresponding RSRP/SINR field may be a bit defined by the standard (for example, a bit string consisting only of '0's).
  • the UE may be configured with a parameter representing the number of CRI/SSBRI fields within one CSI field.
  • a CSI field may mean a field included in a CSI report.
  • FIG. 11 is a diagram illustrating an example of grouping of CSI resource sets according to Embodiment 1.4. As shown in FIG. 11, the UE selects the same resource ID (for example, one of ResourceSetID#1-#3) from each CSI resource set of a plurality of grouped CSI resource sets (ResourceSetID#1-#3). ) (CSI resource/SSB resource) can be selected.
  • the same resource ID for example, one of ResourceSetID#1-#3
  • ResourceSetID#1-#3 CSI resource/SSB resource
  • FIG. 12 is a diagram illustrating an example of a CSI reporting operation between a UE and a base station according to Embodiment 1.4.
  • the UE may determine (select) one CRI/SSBRI to report from each CSI resource set. Further, the UE may report the received power (for example, L1-RSRP) of the CRI/SSBRI selected from each CSI resource set to the base station.
  • the received power for example, L1-RSRP
  • FIG. 13A and 13B are diagrams showing an example of a CSI report according to Embodiment 1.4. Specifically, FIG. 13A corresponds to option 1, and FIG. 13B corresponds to option 2.
  • the UE may include in the CSI report information regarding which CSI resource set to report L1-RSRP among multiple CSI resource sets.
  • the CSI field may include resource set indicators (Resource set indicators #1-#4) corresponding to the reporting RSRPs (RSRP #1-#4).
  • the UE can report to the base station which CSI resource set to use to report received power based on the resource set indicator.
  • the bit width of the resource set indicator may be determined based on specific rules/parameters. For example, the bit width may be determined based on the CSI resource setting or the number of CSI resource sets associated with the CSI-AperiodicTriggerState. More specifically, the bit width may be determined by, for example, ceil(log2(S)). The S may be the number of related CSI resource sets.
  • the UE may select one CRI/SSBRI to report RSRP for each CSI resource set of multiple CSI resource sets.
  • the CSI field may include a resource set indicator indicating a resource set corresponding to the maximum RSRP value (RSRP #1) among multiple CSI resource sets.
  • RSRP #1 the maximum RSRP value
  • the RSRP of all CSI resource sets is included in the CSI report, so unlike FIG. 13A, there is no need to include multiple resource set indicators.
  • the bit width of the CRI/SSBRI field is determined based on the number (maximum number) of CSI-RS resources/SSB resources in one resource set associated with the CSI resource setting or trigger state (CSI-AperiodicTriggerState). may be done.
  • the bit width may be determined by, for example, ceil(log2(S)).
  • the S may be the number of CSI resources in the associated CSI resource set.
  • multiple beam sets can be grouped regardless of the directivity of the multiple beams, and the UE can select desired RS resources for the grouped CSI resource sets.
  • CSI resource/SSB resource can be selected and reported to the base station.
  • the second embodiment relates to index-based CRI/SSBRI determination.
  • the first embodiment and the second embodiment may be applied in combination.
  • Embodiment 2.1 describes selection of a plurality of different CRI/SSBRIs based on resource indexes (CSI resource index/SSB resource index) configured for CSI reporting.
  • selection of CRI/SSBRI may be read as reporting of CRI/SSBRI.
  • the UE may select N different CRI/SSBRIs based on the resource index configured for L1-RSRP/SINR and report the CRI/SSBRI in a single reporting instance (CSI report). .
  • N may be determined by an RRC parameter (for example, nrofReportedRS).
  • N may be an integer larger than 1, for example, or may include 1.
  • the UE may select the CRI/SSBRI to report based on the rules listed below.
  • - Option 1 UE reports CRI/SSBRI indicated by consecutive resource indices.
  • ⁇ Option 2 Consecutive resource IDs (nzp-CSI-RS-ResourceId) in the sequence indicated by the nzp-CSI-RS-Resources field included in the related RRC parameter (NZP-CSI-RS-ResourceSet IE) (or CRI).
  • ⁇ Option 3 Continuous (or CRI) CRI/SSBRI indicated by the resource ID (SSB index) in the sequence indicated by the csi-SSB-ResourceList field included in the RRC parameter (CSI-SSB-ResourceSet IE). Report.
  • FIG. 14 is a diagram illustrating an example of resource selection according to Embodiment 2.1.
  • eight CSI resources or SSB resources
  • Each CSI resource is indicated by a resource index (Resource index #1-#8).
  • the UE may select four consecutive CSI resources indicated by Resource index #3-#6 from eight CSI resources.
  • the UE may also report only one CRI/SSBRI field in a single reporting instance to indicate one or more (eg N) different CRI/SSBRIs. Variations in resource selection will be shown below in embodiments 2.1.1 to 2.1.5.
  • the UE may report the CRI/SSBRI in a single reporting instance, expressed by the modulo operation shown below. Specifically, the UE transmits (CRI/SSBRI) mod (X), (CRI/SSBRI+1) mod (X), ..., (CRI/SSBRI+N-1) mod (X) using one CRI/SSBRI field. You may report it.
  • the CRI/SSBRI shown here may represent the value of a resource index. Further, N may represent the number of CSI resources to be reported. X may be the number of CSI resources (or SSB resources) in the associated CSI resource set.
  • mod may represent a modulo operation. For example, (A) mod (B) corresponds to the remainder when A is divided by B.
  • FIG. 15A and 15B are diagrams illustrating an example of resource selection according to Embodiment 2.1.1. The part surrounded by the broken line represents the selected CSI resource.
  • the UE can select N consecutive CSI resources from among the X CSI resources included in a certain CSI resource set.
  • a plurality of CSI resources (Resource index #6, #7, #0, #1) that are not necessarily consecutive can be selected as consecutive CSI resources.
  • the UE may report the first CRI/SSBRI among the consecutive CRI/SSBRIs (option 1 above) and the CSI corresponding to the first entry in the sequence. /SSBRI may be reported (Option 2 or Option 3 above).
  • the UE may report the value of the resource index as is using the CRI/SSBRI field without using modulo calculation.
  • the UE may assume that the RSRP/SINR field corresponding to the resource index is a predefined bit.
  • the RSRP to be reported corresponds to resource index #6-#9, but the resource corresponding to resource index is not set, the UE may generate a CSI report by setting the RSRP fields corresponding to resource indexes #8 and #9 as predefined bit values.
  • the UE does not need to assume that the value of the resource index is greater than or equal to X. That is, the UE may assume that the value of the resource index is less than X.
  • the UE may report the CRI/SSBRI in a single reporting instance, expressed by the modulo operation shown below. Specifically, the UE transmits (CRI/SSBRI) mod (X), (CRI/SSBRI-1) mod (X), ..., (CRI/SSBRI-N) mod (X) using the CRI/SSBRI field. You may report it.
  • the UE may, for example, report the last CRI/SSBRI among consecutive CRI/SSBRIs (option 1 above) and the CSI/SSBRI corresponding to the last entry in the sequence. may be reported (option 2 or option 3 above).
  • the UE may report the CRI/SSBRI in a single reporting instance, expressed by the modulo operation shown below. Specifically, the UE specifies (CRI/SSBRI) mod (X), (CRI/SSBRI+1) mod (X), (CRI/SSBRI-1) mod (X), (CRI/SSBRI+2) mod (X), (CRI /SSBRI-2) mod(X) may be reported using the CRI/SSBRI field.
  • the UE may report an intermediate CRI/SSBRI among consecutive CRI/SSBRIs (option 1 above), and a CSI/SSBRI corresponding to the intermediate entry indicated in the sequence. may be reported (option 2 or option 3 above).
  • the UE may report the CRI/SSBRI in a single reporting instance, expressed by the modulo operation shown below. Specifically, the UE includes (CRI/SSBRI) mod (X), (CRI/SSBRI-1) mod (X), (CRI/SSBRI+1) mod (X), (CRI/SSBRI-2) mod (X), (CRI/SSBRI+2) mod (X) may be reported as the CRI/SSBRI field.
  • the UE may report an intermediate CRI/SSBRI among consecutive CRI/SSBRIs (option 1 above), and a CSI/SSBRI corresponding to the intermediate entry indicated in the sequence. may be reported (option 2 or option 3 above).
  • the UE may report the value of the resource index as it is as the CRI/SSBRI field without using modulo calculation.
  • the UE may assume that the RSRP/SINR field is a predefined bit if the value of the resource index is greater than or equal to X.
  • the UE does not need to assume that the value of the resource index is greater than or equal to X. That is, the UE may assume that the value of the resource index is less than X.
  • FIG. 16 is a diagram showing an example of a CSI report according to Embodiment 2.1.
  • the CSI field in addition to the CSI/SSBRI field, includes the CRI corresponding to the maximum received power (for example, RSRP/SINR) among the N (or 5) CRI/SSBRI to be reported.
  • a field indicating /SSBRI may be included.
  • the field may indicate the i-th (i is an integer) CRI/SSBRI out of N (or 5), or may indicate the first/middle/last CRI/SSBRI.
  • the UE may report the CRI/SSBRI in a single reporting instance, expressed by the modulo operation shown below. Specifically, the UE sets (CRI/SSBRI) mod (X), (CRI/SSBRI+Y) mod (X), ..., (CRI/SSBRI+Y*(N-1)) mod (X) in the CRI/SSBRI field. may be reported as As mentioned above, X may be the number of CSI resources (or SSB resources) in the associated CSI resource set. Y may be an integer determined by the parameters being configured (eg, specific RRC parameters). Y may also be called an offset number.
  • the UE can select a CSI resource offset by Y from among consecutive CRI/SSBRI.
  • the UE can select a total of four consecutive CSI resources, skipping one CSI resource.
  • the bit width of the CRI/SSBRI field may be determined based on the number (maximum number) of CSI-RS resources/SSB resources in one resource set associated with the CSI resource setting.
  • the bit width may be determined by, for example, ceil(log2(S)).
  • the S may be the number of CSI resources in the associated CSI resource set.
  • the UE may report the value of the resource index as it is as the CRI/SSBRI field without using modulo calculation.
  • the UE may assume that the RSRP/SINR field is a predefined bit if the value of the resource index is greater than or equal to X.
  • the UE does not need to assume that the value of the resource index is greater than or equal to X. That is, the UE may assume that the value of the resource index is less than X.
  • FIG. 18 is a diagram showing resource selection according to a modification.
  • the UE selects two consecutive CSI resource sets (ResourceSetID#1, #2) from among the multiple grouped CSI resource sets (ResourceSetID#1-#3), and further CSI resources having the same resource ID (for example, Resource ID #2, #3) can be selected from each selected CSI resource set.
  • the same CSI resource set may correspond to beams with the same horizontal angle
  • the same resource ID may correspond to beams with the same vertical angle.
  • the same angle may mean the same angle as a result of allowing some error.
  • a desired CSI resource can be selected based on the relationship between horizontal and vertical beams.
  • Embodiment 2.2 a case will be described in which the resource arrangement is expanded not only in the horizontal direction (horizontal direction) but also in the vertical direction (vertical direction).
  • the UE may select N (N_v*N_h) different CRI/SSBRIs based on the resource index configured for L1-RSRP/SINR and report the said CRI/SSBRI in a single reporting instance. good.
  • N_v indicates the number of CSI resources in the vertical direction
  • N_h indicates the number of CSI resources in the horizontal direction.
  • N, N_v and N_h may be determined by RRC parameters (eg, nrofReportedRS).
  • the maximum values of N, N_v, N_h, and N_v*N_h, N_v+N_h may be determined by, for example, the UE capability. Variations in resource selection will be shown below in embodiments 2.2.1 to 2.2.2.
  • the UE may select and report only one CRI/SSBRI to indicate multiple (eg, N) different CRI/SSBRIs. Thereby, overhead in UCI can be reduced.
  • the UE may report the CRI/SSBRI in a single reporting instance, expressed by the modulo operation shown below. Specifically, the UE uses (CRI/SSBRI) mod (M), (CRI/SSBRI+1) mod (M), ..., (CRI/SSBRI+N_h-1) mod (M), (CRI/SSBRI+M_h*1) mod (M),..., (CRI/SSBRI+M_h*1+1) mod (M),..., (CRI/SSBRI+M_h*N_v) mod (M), (CRI/SSBRI+M_h*N_h+1) mod (M),...
  • (CRI/SSBRI+M_h*N_v+N_h) mod (M) may be reported as the CRI/SSBRI field.
  • M may be the total number of CSI resources in the associated CSI resource set.
  • M_h may be the total number of CSI resources in the horizontal direction.
  • M_h may be an integer determined by RRC parameters.
  • the UE can select four (2 ⁇ 2) adjacent resources within the related CSI resource set, as shown in FIG. 19.
  • the UE may report the CRI/SSBRI in a single reporting instance, expressed by the floor function and modulo operation shown below. Specifically, the UE (floor((CRI/SSBRI)/M_h)*M_h + (CRI/SSBRI) mod M_h) mod M, (floor((CRI/SSBRI)/M_h)*M_h + (CRI/SSBRI+1) mod M_h) mod M,..., (floor((CRI/SSBRI)/M_h)*M_h + (CRI/SSBRI+N_h) mod M_h) mod M, (floor((CRI/SSBRI)/M_h +1)*M_h + (CRI/SSBRI) mod M_h) mod M, ..., (floor((CRI/SSBRI)/M_h +1)*M_h + (CRI/SSBRI+N_h) mod M_h) mod M, ...., (floor((CRI/SSBRI)
  • M may be the total number of CSI resources in the associated CSI resource set.
  • M_h may be the total number of resources in the horizontal direction.
  • M_h may be an integer determined by RRC parameters.
  • floor(X) may mean multiplying X by a floor function.
  • FIG. 20 is a diagram illustrating an example of resource selection according to Embodiment 2.2.1.2. The part surrounded by the broken line represents the selected CSI resource.
  • FIG. 21 is a diagram showing another example of resource selection according to Embodiment 2.2.1.2. The part surrounded by the broken line represents the selected CSI resource.
  • the UE can select four resources within the associated resource set, as shown in FIGS. 20 and 21. In this case, the UE can select four resources as adjacent resources even though they are not necessarily adjacent.
  • the UE may report the value of the resource index as it is as the CRI/SSBRI field without using modulo calculation.
  • CRI/SSBRI+N_h+M_h*N_v may be limited to be smaller than N.
  • the UE may also assume that if the number of resources is M or more, the corresponding RSRP/SINR field is a predefined bit.
  • the UE may report N CRI/SSBRI fields in the CSI field.
  • the UE may report a CRI/SSBRI that satisfies at least one of conditions 1-5 below. Furthermore, which condition is satisfied may be determined based on set parameters.
  • - Condition 1 The reported CRI/SSBRI is another CRI/SSBRI+Y_h or the other CRI/SSBRI-Y_H that is reported in the same reporting instance.
  • - Condition 2 The reported CRI/SSBRI is another CRI/SSBRI+M_h*Y_v or the other CRI/SSBRI-M_h*Y_v that is reported in the same reporting instance.
  • - Condition 3 The reported CRI/SSBRI is another CRI/SSBRI-(M_h-Y_h) that is reported in the same reporting instance.
  • - Condition 4 The reported CRI/SSBRI is not another CRI/SSBRI ⁇ 1, ⁇ 1, ..., or ⁇ Y_h that is reported in the same reporting instance.
  • - Condition 5 The reported CRI/SSBRI is not other CRI/SSBRI ⁇ M_h*1, ⁇ M_h*2, ..., ⁇ M_h*Y_v that are reported in the same reporting instance.
  • Y_h and Y_v may be integers determined by the configured parameters (eg, specific RRC parameters).
  • Y_h may be referred to as a horizontal offset number
  • Y_v may be referred to as a vertical offset number.
  • FIG. 23 is a diagram showing an example of a CSI report according to Embodiment 2.2.2.
  • the CSI field includes a field indicating the CRI/SSBRI corresponding to the maximum received power (for example, RSRP/SINR) among the N CRI/SSBRIs to be reported. may be included.
  • the field may indicate the i-th (i is an integer) CRI/SSBRI out of N, or may indicate the first/middle/last CRI/SSBRI.
  • FIG. 24 is a diagram showing another example of resource selection according to Embodiment 2.2.2. The part surrounded by the broken line represents the selected CSI resource.
  • a CSI resource for a CSI report can be appropriately selected from a plurality of CSI resources in a related CSI-RS resource set.
  • the third embodiment relates to determining CRI/SSBRI based on configured parameters.
  • the UE selects N (N_v*N_h) different CRI/SSBRIs based on the parameters configured for L1-RSRP/SINR (e.g. specific RRC parameters) and /SSBRI may be reported in a single reporting instance.
  • the UE may be configured with parameters that map vertical/horizontal (or azimuth/elevation) angles of spatial domain filters associated with resources.
  • the UE may apply at least one of options 1-4 below to report the CRI/SSBRI.
  • - Option 1 The UE may report N consecutive CRIs/SSBRIs in the vertical/horizontal (or azimuth/elevation) direction.
  • - Option 2 The UE may report N_v consecutive CRI/SSBRIs in the vertical direction (or elevation direction).
  • the UE may also report N_h CRI/SSBRIs that are consecutive in the horizontal direction (or azimuth direction).
  • - Option 3 The UE may report N CRI/SSBRIs selected at certain intervals in the vertical/horizontal direction.
  • the UE may report N CRI/SSBRIs separated by a certain interval in the vertical/horizontal direction. Note that a certain interval may be determined based on information described below (information described in ⁇ Supplementary>, for example, specific RRC parameters).
  • FIG. 25 shows the area to which resources according to Embodiment 3.1 are mapped.
  • the RS resource may be mapped to a certain area in the vertical/horizontal direction specified by the configured parameters.
  • the UE selects N different CRI/SSBRIs based on the parameters configured for L1-RSRP/SINR (e.g. specific RRC parameters) and assigns the CRI/SSBRI to a single may be reported in a reporting instance.
  • the parameters configured for L1-RSRP/SINR e.g. specific RRC parameters
  • the UE may be configured with a subset of RS resources associated with each RS resource (CSI resource/SSB resource).
  • the UE may apply at least one of options 1-2 below to report the CRI/SSBRI.
  • - Option 1 The UE may report the relevant subset of RS resources when the UE reports the corresponding CRI/SSBRI. In this case, the CRI/SSBRI field corresponding to the subset associated with the RS resource may be omitted. This allows communication overhead to be reduced.
  • - Option 2 The UE may prioritize the relevant subset of RS resources to report when the UE reports the corresponding CRI/SSBRI.
  • whether the UE includes L1-RSRP/SINR of the prioritized RS resource may depend on the UE implementation.
  • Embodiment 3.3 information regarding reception beams (reception beam information) will be described.
  • the UE may report information regarding reception beams (reception beam information).
  • the UE may report the received beam information along with the CSI (L1-RSRP/SINR) report.
  • the reception beam information may be, for example, an RS resource indicator.
  • the RS resource indicator may be, for example, at least one of an RS resource ID, an RS resource set ID, and an SRS resource indicator (for example, srs-ResourceIndicator).
  • the RS resource indicator may be information of an SRS resource/resource set that uses the same spatial domain transmit filter/transmit beam as the spatial domain receive filter/receive beam used for the corresponding measurement.
  • the UE may be configured with an SRS resource set for reporting received beam information.
  • the usage of the SRS resource set may be set to at least one of reception beam determination and L1-RSRP with reception beam information.
  • the bit width of the field of the reported RS resource indicator may be determined based on specific rules/parameters.
  • bit width may be determined by, for example, ceil(log2(N)).
  • the N may be the number of SRS resources in the associated SRS resource set.
  • ceil(X) may mean multiplying X by a ceiling function.
  • the RS resource indicator/RS resource set indicator may be reported together with the panel index (CapabilityIndex).
  • 26A to 26D are diagrams showing examples of bit widths of parameters included in the CSI report according to Embodiment 3.3.
  • the example shown in FIG. 26A describes a case where the RS resource indicator is reported together with the panel index (CapabilityIndex) in the beam report (CSI report).
  • the example shown in FIG. 26A shows the bit width of information included in the beam report.
  • the number of bits (X) of the RS resource indicator may be determined based on the above method.
  • the RS resource indicator/RS resource set indicator may be reported separately from the panel index (CapabilityIndex).
  • the example shown in FIG. 26B describes a case where the RS resource indicator is reported separately from the panel index (CapabilityIndex) in the beam report (CSI report).
  • FIG. 26B differs from FIG. 26A only in that information about the panel index (CapabilityIndex) is not included.
  • reception beam information may be, for example, a beam index.
  • the beam index may be, for example, the index of the UE's receive beam/spatial domain receive filter used for the corresponding measurement.
  • the same beam index may be reported.
  • the UE may decide to include the beam index in the beam report and transmit it.
  • the bit width of the reported beam index field may be determined based on specific rules/parameters.
  • the bit width may be determined by, for example, ceil(log2(M)).
  • the M may be a number indicated by the UE's receive beam sweeping factor.
  • bit width may be determined separately for each frequency range (for example, FR1/FR2 (FR2-1/FR2-2)/FR3/FR4/FR5).
  • the beam index may be reported together with the panel index (CapabilityIndex).
  • the example shown in FIG. 26C describes a case where the receive beam index (RxbeamIndex) is reported together with the panel index (CapabilityIndex) in the beam report (CSI report).
  • FIG. 26C shows the bit width of information included in the beam report.
  • the number of bits (X) of the receive beam index may be determined based on the above method.
  • reception beam index may be reported separately from the panel index (CapabilityIndex).
  • the example shown in FIG. 26D describes a case where the receive beam index is reported separately from the panel index (CapabilityIndex) in the beam report (CSI report).
  • FIG. 26D differs from FIG. 26C only in that information about the panel index (CapabilityIndex) is not included.
  • the UE/NW may assume/determine that a different beam/spatial domain filter corresponds to the report result even if the beam index corresponding to the report result is the same. .
  • the UE may measure/report L1-RSRP/SINR in a single reporting instance using the same spatial domain receive filter/UE antenna panel (UE capability set).
  • the third embodiment can be applied when specific parameters are set in the UE.
  • the UE can appropriately determine the CRI/SSBRI based on the set parameters.
  • beam information can be appropriately transmitted from the UE to the NW.
  • the fourth embodiment relates to the determination of receive beams/panels by the NW.
  • FIG. 27 is a diagram illustrating an example of operations between a UE and a base station according to the fourth embodiment.
  • the NW may determine the receive beam (spatial domain receive filter)/panel for L1-RSRP/SINR channel measurement and notify the UE.
  • the UE may determine a spatial domain receive filter (also referred to as a receive beam) for CSI reporting based on the parameters received from the NW.
  • the UE may not report fields of received beam information (eg resource indicator/beam index) in the CSI field.
  • the UE may determine the UE antenna panel (UE capability value set) based on the parameters received from the NW. In embodiment 4.2, the UE may not report the CapabilityIndex field within the CSI field.
  • the UE may determine a spatial domain receive filter for PDSCH/PDCCH reception based on the parameters received from the NW. In embodiment 4.1', the UE may not receive information related to QCL type D.
  • the UE may determine a UE antenna panel (UE capability value set) for PDSCH/PDCCH reception based on parameters received from the NW.
  • UE antenna panel UE capability value set
  • the UE may apply the same spatial domain receive filter for a certain period of time.
  • the UE may determine the starting point (timing) for applying the same spatial domain receive filter based on at least one of the following options 1-2.
  • ⁇ Option 1 After X symbols/slots/subframes/ms of information indicating application of the same spatial domain receive filter, - Option 2: From the time of the CSI report when the PDCCH/MAC CE including information indicating the application of the same spatial domain receive filter is triggered, or after the CSI report.
  • X may be determined based on parameters received from the NW, or may be defined in advance.
  • the UE may also determine the timing (end point) to end the application of the same spatial domain receive filter based on at least one of options 1-4 below.
  • Option 1 After deciding to apply the same spatial domain receive filter, up to Y symbols/slot/subframe/ms, -
  • Option 2 After the UE receives another information applying the same spatial domain receive filter, up to Y symbols/slots/subframes/ms, -
  • Option 3 After receiving information indicating that the UE can apply different spatial domain receive filters, up to Y symbols/slots/subframes/ms, -
  • Option 4 Up to Y symbols/slots/subframes/ms after the UE receives information indicating that it applies a spatial domain receive filter that is different from the spatial domain receive filter applied by one UE.
  • Y may be determined based on parameters received from the NW or may be predefined (eg, 0 symbols).
  • the UE may apply a spatial domain receive filter that it determines based on the parameters received from the NW for a certain period of time.
  • the UE may determine the starting point (timing) for applying the same spatial domain receive filter based on at least one of the following options 1-2.
  • Option 1 After X symbols/slots/subframes/ms of information indicating application of a specific spatial domain receive filter, -
  • Option 2 From the time of the CSI report or after the CSI report when the PDCCH/MAC CE is triggered, including information indicating the application of a specific spatial domain receive filter.
  • X may be determined based on parameters received from the NW, or may be defined in advance.
  • the UE may determine the timing (end point) at which to end the application of the instructed spatial domain receive filter based on at least one of the following options 1-3.
  • Option 1 After deciding to apply a specific spatial domain receive filter, up to Y symbols/slot/subframe/ms,
  • Option 2 up to Y symbols/slots/subframes/ms after the UE receives another information applying a specific spatial domain receive filter;
  • Option 3 Up to Y symbols/slots/subframes/ms after the UE receives information indicating that it applies a spatial domain receive filter different from that applied by one UE.
  • Y may be determined based on parameters received from the NW or may be predefined (eg, 0 symbols).
  • Embodiment 4.5 relates to beam information that the UE receives from the NW (beam information transmitted from the NW to the UE).
  • the beam information may include information/elements described in at least one of options 1-2 below.
  • the beam information may include information indicating the direction of the beam (boresight direction) related to the RS.
  • the information may be information indicating the angle of the beam direction (boresight direction) related to the RS.
  • the angle may be, for example, an azimuth/elevation angle.
  • the angle may be the angle of the transmit beam at the base station/TRP.
  • the beam information may include information indicating the power (beam power) of the RS.
  • the power of the RS may be the absolute power of the RS, or the relative power of the RS with respect to a specific RS.
  • the information indicating the power of the RS may be information indicating the power of the RS for each angle.
  • the angle may be, for example, an azimuth/elevation angle.
  • the angle may be the angle of the transmit beam at the base station/TRP.
  • the power of the RS (beam power) may be expressed as the relative power between the RSs compared to the peak power of the corresponding angle.
  • the UE may determine the RS that achieves the peak power for the corresponding angle based on certain rules/parameters. For example, when power is expressed as a parameter on a series, the RS corresponding to a specific (eg, first) element may be determined as the RS that achieves the peak power.
  • the UE Based on the parameters that associate the RS (CSI-RS/SSB/SRS) with the spatial domain filter, the UE applies the corresponding spatial domain filter when transmitting and receiving each RS, or when transmitting and receiving when each RS is a QCL type D RS. (beam) may also be applied.
  • CSI-RS/SSB/SRS CSI-RS/SSB/SRS
  • one common receive beam (spatial domain receive filter)/panel is used for all CRI/SSBRI measurements related to one CSI report.
  • Different receive beams (spatial domain receive filters)/panels may be applied in each CRI/SSBRI measurement related to one CSI report.
  • the UE may include and report multiple received powers (eg, RSRP/SINR) measured with different receive beams (spatial domain receive filters)/panels for the same CRI/SSBRI in one CSI report.
  • multiple received powers eg, RSRP/SINR
  • receive beams spatial domain receive filters
  • the NW can appropriately determine the reception beam/panel.
  • the fifth embodiment relates to reporting of correspondence between receive beams and panels.
  • FIG. 28 is a diagram showing the relationship between the UE panel and SRS resources according to the fifth embodiment.
  • the UE may report assistance information/assistance data regarding the association of spatial domain receive filters and antenna panels.
  • the UE may report assistance information/assistance data regarding the mapping between SRS resources and antenna panels (CapabilityIndex).
  • CapabilityIndex the mapping between SRS resources and antenna panels.
  • SRS resources#1-#2 may be associated with CapabilityIndex#1
  • SRS resources#3-#4 may be associated with CapabilityIndex#2.
  • the UE may report assistance information/assistance data regarding the association between SRS resources/SRS resource sets and beam indices.
  • the UE may report assistance information/assistance data regarding the mapping between beam index and antenna panel (CapabilityIndex).
  • the UE may report assistance information/data regarding the mapping between the SRS resource set and the antenna panel (CapabilityIndex).
  • the UE may assume that SRS resources within the same SRS resource set are transmitted from the same antenna panel.
  • the assistance information/assistance data is useful when determining spatial domain DL beam prediction or spatial domain receive filters/antenna panels on the NW side.
  • the above-mentioned assistance information/assistance data may be included in the CSI report or may be transmitted separately from the CSI report.
  • the assistance information/assistance data may include at least one of the following: ⁇ Beam width from the peak to the radiation pattern dropped by 3 dB (3 dB beam width), - UE location information (position)/moving speed (speed)/trajectory (trajectory).
  • this information may be expressed using at least one of the following formats: *Ellipsoid Point (for example, a surface point of an ellipsoid, including latitude/longitude), *Ellipsoid point with uncertainty circle, *Ellipsoid point with uncertainty ellipse, *Polygon, *Ellipsoid Point with Altitude, *Ellipsoid point with altitude and uncertainty ellipsoid, *Ellipsoid Arc.
  • These formats may, for example, follow the definitions specified in 3GPP TS 23.202.
  • any shapes defined in 3GPP TS 23.202 may be used as a format for the assistance information/assistance data.
  • the UE can appropriately report the correspondence between reception beams and panels.
  • RSRP/SINR/RSRQ L1-RSRP/SINR/RSRQ
  • L3-RSRP/SINR/RSRQ Layer 3 (L3-) RSRP/SINR/RSRQ
  • the CSI report of the present disclosure may be used when group-based beam reporting/enhanced group-based beam reporting is not enabled (for example, groupBasedBeamReporting/groupBasedBeamReporting-r17 is not set), or when new group-based beam reporting is enabled. It may be used in some cases (for example, groupBasedBeamReporting-r18/-r19 is set).
  • Notification of information to UE Notification of any information (from the Network (NW) (e.g., Base Station (BS)) to the UE (in other words, reception of any information from the BS at the UE) in the above embodiments ), physical layer signaling (e.g., DCI), higher layer signaling (e.g., RRC signaling, MAC CE, LPP messages, etc.), specific signals/channels (e.g., PDCCH, PDSCH, reference signals), or a combination thereof. It may also be carried out using the Network (NW) (e.g., Base Station (BS)) to the UE (in other words, reception of any information from the BS at the UE) in the above embodiments ), physical layer signaling (e.g., DCI), higher layer signaling (e.g., RRC signaling, MAC CE, LPP messages, etc.), specific signals/channels (e.g., PDCCH, PDSCH, reference signals), or a combination thereof. It may also be carried
  • the MAC CE may be identified by including a new logical channel ID (LCID), which is not specified in the existing standard, in the MAC subheader.
  • LCID logical channel ID
  • the above notification When the above notification is performed by a DCI, the above notification includes a specific field of the DCI, a radio network temporary identifier (Radio Network Temporary Identifier (RNTI)), the format of the DCI, etc.
  • RNTI Radio Network Temporary Identifier
  • notification of any information to the UE in the above embodiments may be performed periodically, semi-persistently, or aperiodically.
  • the notification of any information from the UE (to the NW) in the above embodiments is performed using physical layer signaling (e.g. UCI), upper layer signaling (e.g. , RRC signaling, MAC CE, LPP messages, etc.), specific signals/channels (e.g., PUCCH, PUSCH, PRACH, reference signals), or a combination thereof.
  • physical layer signaling e.g. UCI
  • upper layer signaling e.g. , RRC signaling, MAC CE, LPP messages, etc.
  • specific signals/channels e.g., PUCCH, PUSCH, PRACH, reference signals
  • the MAC CE may be identified by including a new LCID that is not defined in the existing standard in the MAC subheader.
  • the above notification may be transmitted using PUCCH or PUSCH.
  • notification of arbitrary information from the UE in the above embodiments may be performed periodically, semi-persistently, or aperiodically.
  • AI model information may mean information including at least one of the following: ⁇ AI model input/output information, ⁇ Pre-processing/post-processing information for AI model input/output, ⁇ Information on AI model parameters, ⁇ Training information for AI models (training information), ⁇ Inference information for AI models, ⁇ Performance information regarding AI models.
  • the input/output information of the AI model may include information regarding at least one of the following: - Contents of input/output data (e.g. RSRP, SINR, amplitude/phase information in channel matrix (or precoding matrix), information on angle of arrival (AoA), angle of departure (AoD)) ), location information), ⁇ Data auxiliary information (may be called meta information), - type of input/output data (e.g. immutable value, floating point number), - bit width of input/output data (e.g. 64 bits for each input value), - Quantization interval (quantization step size) of input/output data (for example, 1 dBm for L1-RSRP), - The range that input/output data can take (for example, [0, 1]).
  • - Contents of input/output data e.g. RSRP, SINR, amplitude/phase information in channel matrix (or precoding matrix), information on angle of arrival (AoA), angle of departure (AoD))
  • the information regarding AoA may include information regarding at least one of the azimuth angle of arrival and the zenith angle of arrival (ZoA). Further, the information regarding the AoD may include, for example, information regarding at least one of a radial azimuth angle of departure and a radial zenith angle of depth (ZoD).
  • the location information may be location information regarding the UE/NW.
  • Location information includes information (e.g., latitude, longitude, altitude) obtained using a positioning system (e.g., Global Navigation Satellite System (GNSS), Global Positioning System (GPS), etc.), and information (e.g., latitude, longitude, altitude) adjacent to the UE.
  • GNSS Global Navigation Satellite System
  • GPS Global Positioning System
  • Information on the serving (or serving) BS e.g., BS/cell identifier (ID), BS-UE distance, direction/angle of the BS (UE) as seen from the UE (BS),
  • the information may include at least one of the coordinates of the BS (UE) as seen from the BS (e.g., X/Y/Z axis coordinates, etc.), the specific address of the UE (e.g., Internet Protocol (IP) address), etc.
  • IP Internet Protocol
  • the location information of the UE is not limited to information based on the location of the BS, but may be information based on a specific point.
  • the location information may include information regarding its own implementation (for example, location/position/orientation of antennas, location/orientation of antenna panels, number of antennas, number of antenna panels, etc.).
  • the location information may include mobility information.
  • the mobility information may include information indicating at least one of the mobility type, the moving speed of the UE, the acceleration of the UE, the moving direction of the UE, and the like.
  • the mobility types are fixed location UE, movable/moving UE, no mobility UE, low mobility UE, and medium mobility UE.
  • environmental information may be information regarding the environment in which the data is acquired/used, such as frequency information (band ID, etc.), environment type information (indoor, etc.). , outdoor, Urban Macro (UMa), Urban Micro (Umi), etc.), Line Of Site (LOS)/Non-Line Of Site (NLOS), etc. Good too.
  • frequency information band ID, etc.
  • environment type information indoor, etc.
  • outdoor Urban Macro (UMa), Urban Micro (Umi), etc.
  • LOS Line Of Site
  • NLOS Non-Line Of Site
  • LOS may mean that the UE and BS are in an environment where they can see each other (or there is no shielding), and NLOS may mean that the UE and BS are not in an environment where they can see each other (or there is a shield). It can also mean The information indicating LOS/NLOS may indicate a soft value (for example, probability of LOS/NLOS) or may indicate a hard value (for example, either LOS/NLOS).
  • meta information may mean, for example, information regarding input/output information suitable for an AI model, information regarding acquired/obtainable data, etc.
  • the meta information includes information regarding beams of RS (for example, CSI-RS/SRS/SSB, etc.) (for example, the pointing angle of each beam, 3 dB beam width, the shape of the pointing beam, (number of beams), gNB/UE antenna layout information, frequency information, environment information, meta information ID, etc.
  • RS for example, CSI-RS/SRS/SSB, etc.
  • the meta information may be used as input/output of the AI model.
  • At least one of the embodiments described above may be applied if certain conditions are met.
  • the specific conditions may be specified in the standard, or may be notified to the UE/BS using upper layer signaling/physical layer signaling.
  • At least one of the embodiments described above may be applied only to UEs that have reported or support a particular UE capability.
  • the particular UE capability may indicate at least one of the following: Supporting specific processing/operation/control/information for at least one of the above embodiments (eg, maximum values of N, N_v, N_H, N_v*N_H, N_v+N_H of L1-RSRP/L1-SINR).
  • the specific UE capability may be a capability that is applied across all frequencies (commonly regardless of frequency) or a capability that is applied across all frequencies (e.g., cell, band, band combination, BWP, component carrier, etc.). or a combination thereof), or it may be a capability for each frequency range (for example, Frequency Range 1 (FR1), FR2, FR3, FR4, FR5, FR2-1, FR2-2). Alternatively, it may be a capability for each subcarrier spacing (SCS), or a capability for each Feature Set (FS) or Feature Set Per Component-carrier (FSPC).
  • SCS subcarrier spacing
  • FS Feature Set
  • FSPC Feature Set Per Component-carrier
  • the above-mentioned specific UE capability may be a capability that is applied across all duplex schemes (commonly regardless of the duplex scheme), or may be a capability that is applied across all duplex schemes (for example, Time Division Duplex).
  • the capability may be for each frequency division duplex (TDD)) or frequency division duplex (FDD)).
  • the UE configures/activates specific information related to the embodiment described above (or performs the operation of the embodiment described above) by upper layer signaling/physical layer signaling. / May be applied when triggered.
  • the specific information may be a CSI report, information indicating enabling CRI/SSBRI selection, any RRC parameters for a specific release (eg, Rel. 18/19), etc.
  • the UE does not support at least one of the specific UE capabilities or is not configured with the specific information, for example, Rel. 15/16 operations may be applied.
  • a receiving unit that receives information on CSI resource settings associated with a plurality of Channel State Information (CSI) resource sets;
  • a terminal comprising: a control unit that controls transmitting a CSI report indicating measurement results regarding one or more CSI resource sets selected from the plurality of CSI resource sets.
  • the one or more CSI resource sets are one CSI resource set, The terminal according to supplementary note 1, wherein the CSI report includes a field indicating the one CSI resource set and does not include measurement results regarding CSI resource sets other than the one CSI resource set.
  • the one or more CSI resource sets are more than one CSI resource set;
  • the terminal according to appendix 1 or 2 wherein the CSI report includes a plurality of fields each indicating the more than one CSI resource set.
  • a control unit that determines one resource index that satisfies a specific condition from a plurality of resource indexes corresponding to a plurality of measurement results to be included in a Channel State Information (CSI) report;
  • a terminal comprising: a transmitter that transmits the CSI report including only the one resource index among the plurality of resource indexes.
  • the specific condition is a first resource index among the plurality of consecutive resource indexes.
  • a control unit that determines a plurality of resource indexes corresponding to measurement results to be included in a Channel State Information (CSI) report from among resource indexes that satisfy a specific condition;
  • a terminal comprising: a transmitter that transmits the CSI report including the plurality of resource indexes.
  • the specific condition is that a resource index included in the CSI report is another resource index reported in the same CSI report.
  • wireless communication system The configuration of a wireless communication system according to an embodiment of the present disclosure will be described below. In this wireless communication system, communication is performed using any one of the wireless communication methods according to the above-described embodiments of the present disclosure or a combination thereof.
  • FIG. 29 is a diagram illustrating an example of a schematic configuration of a wireless communication system according to an embodiment.
  • 5G NR 5th generation mobile communication system New Radio
  • 3GPP Third Generation Partnership Project
  • the wireless communication system 1 may support dual connectivity between multiple Radio Access Technologies (RATs) (Multi-RAT Dual Connectivity (MR-DC)).
  • MR-DC has dual connectivity between LTE (Evolved Universal Terrestrial Radio Access (E-UTRA)) and NR (E-UTRA-NR Dual Connectivity (EN-DC)), and dual connectivity between NR and LTE (NR-E -UTRA Dual Connectivity (NE-DC)).
  • RATs Radio Access Technologies
  • MR-DC has dual connectivity between LTE (Evolved Universal Terrestrial Radio Access (E-UTRA)) and NR (E-UTRA-NR Dual Connectivity (EN-DC)), and dual connectivity between NR and LTE (NR-E -UTRA Dual Connectivity (NE-DC)).
  • E-UTRA Evolved Universal Terrestrial Radio Access
  • EN-DC E-UTRA-NR Dual Connectivity
  • NE-DC NR-E -UTRA Dual Connectivity
  • the LTE (E-UTRA) base station (eNB) is the master node (Master Node (MN)), and the NR base station (gNB) is the secondary node (Secondary Node (SN)).
  • the NR base station (gNB) is the MN
  • the LTE (E-UTRA) base station (eNB) is the SN.
  • the wireless communication system 1 has dual connectivity between multiple base stations within the same RAT (for example, dual connectivity (NR-NR Dual Connectivity (NN-DC) where both the MN and SN are NR base stations (gNB)). )) may be supported.
  • dual connectivity NR-NR Dual Connectivity (NN-DC) where both the MN and SN are NR base stations (gNB)).
  • the wireless communication system 1 includes a base station 11 that forms a macro cell C1 with relatively wide coverage, and base stations 12 (12a-12c) that are located within the macro cell C1 and form a small cell C2 that is narrower than the macro cell C1. You may prepare.
  • User terminal 20 may be located within at least one cell. The arrangement, number, etc. of each cell and user terminal 20 are not limited to the embodiment shown in the figure. Hereinafter, when base stations 11 and 12 are not distinguished, they will be collectively referred to as base station 10.
  • the user terminal 20 may be connected to at least one of the plurality of base stations 10.
  • the user terminal 20 may use at least one of carrier aggregation (CA) using a plurality of component carriers (CC) and dual connectivity (DC).
  • CA carrier aggregation
  • CC component carriers
  • DC dual connectivity
  • Each CC may be included in at least one of a first frequency band (Frequency Range 1 (FR1)) and a second frequency band (Frequency Range 2 (FR2)).
  • Macro cell C1 may be included in FR1
  • small cell C2 may be included in FR2.
  • FR1 may be a frequency band below 6 GHz (sub-6 GHz)
  • FR2 may be a frequency band above 24 GHz (above-24 GHz). Note that the frequency bands and definitions of FR1 and FR2 are not limited to these, and FR1 may correspond to a higher frequency band than FR2, for example.
  • the user terminal 20 may communicate using at least one of time division duplex (TDD) and frequency division duplex (FDD) in each CC.
  • TDD time division duplex
  • FDD frequency division duplex
  • the plurality of base stations 10 may be connected by wire (for example, optical fiber, X2 interface, etc. compliant with Common Public Radio Interface (CPRI)) or wirelessly (for example, NR communication).
  • wire for example, optical fiber, X2 interface, etc. compliant with Common Public Radio Interface (CPRI)
  • NR communication for example, when NR communication is used as a backhaul between base stations 11 and 12, base station 11, which is an upper station, is an Integrated Access Backhaul (IAB) donor, and base station 12, which is a relay station, is an IAB donor. May also be called a node.
  • IAB Integrated Access Backhaul
  • the base station 10 may be connected to the core network 30 via another base station 10 or directly.
  • the core network 30 may include, for example, at least one of Evolved Packet Core (EPC), 5G Core Network (5GCN), Next Generation Core (NGC), and the like.
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • the core network 30 includes, for example, User Plane Function (UPF), Access and Mobility Management Function (AMF), Session Management Function (SMF), Unified Data Management (UDM), Application Function (AF), Data Network (DN), and Location. It may also include network functions (NF) such as Management Function (LMF) and Operation, Administration and Maintenance (Management) (OAM). Note that multiple functions may be provided by one network node. Further, communication with an external network (eg, the Internet) may be performed via the DN.
  • UPF User Plane Function
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • UDM Unified Data Management
  • AF Application Function
  • DN Data Network
  • NF network functions
  • NF network functions
  • LMF Management Function
  • OAM Operation, Administration and Maintenance
  • the user terminal 20 may be a terminal compatible with at least one of communication systems such as LTE, LTE-A, and 5G.
  • an orthogonal frequency division multiplexing (OFDM)-based wireless access method may be used.
  • OFDM orthogonal frequency division multiplexing
  • CP-OFDM Cyclic Prefix OFDM
  • DFT-s-OFDM Discrete Fourier Transform Spread OFDM
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • a wireless access method may also be called a waveform.
  • other wireless access methods for example, other single carrier transmission methods, other multicarrier transmission methods
  • the UL and DL radio access methods may be used as the UL and DL radio access methods.
  • the downlink channels include a physical downlink shared channel (PDSCH) shared by each user terminal 20, a broadcast channel (physical broadcast channel (PBCH)), and a downlink control channel (physical downlink control). Channel (PDCCH)) or the like may be used.
  • PDSCH physical downlink shared channel
  • PBCH physical broadcast channel
  • PDCCH downlink control channel
  • uplink channels include a physical uplink shared channel (PUSCH) shared by each user terminal 20, a physical uplink control channel (PUCCH), and a random access channel. (Physical Random Access Channel (PRACH)) or the like may be used.
  • PUSCH physical uplink shared channel
  • PUCCH physical uplink control channel
  • PRACH Physical Random Access Channel
  • User data, upper layer control information, System Information Block (SIB), etc. are transmitted by the PDSCH.
  • User data, upper layer control information, etc. may be transmitted by PUSCH.
  • a Master Information Block (MIB) may be transmitted via the PBCH.
  • Lower layer control information may be transmitted by PDCCH.
  • the lower layer control information may include, for example, downlink control information (DCI) that includes scheduling information for at least one of PDSCH and PUSCH.
  • DCI downlink control information
  • DCI that schedules PDSCH may be called DL assignment, DL DCI, etc.
  • DCI that schedules PUSCH may be called UL grant, UL DCI, etc.
  • PDSCH may be replaced with DL data
  • PUSCH may be replaced with UL data.
  • a control resource set (CONtrol REsource SET (CORESET)) and a search space may be used to detect the PDCCH.
  • CORESET corresponds to a resource for searching DCI.
  • the search space corresponds to a search area and a search method for PDCCH candidates (PDCCH candidates).
  • PDCCH candidates PDCCH candidates
  • One CORESET may be associated with one or more search spaces. The UE may monitor the CORESET associated with a certain search space based on the search space configuration.
  • One search space may correspond to PDCCH candidates corresponding to one or more aggregation levels.
  • One or more search spaces may be referred to as a search space set. Note that “search space”, “search space set”, “search space setting”, “search space set setting”, “CORESET”, “CORESET setting”, etc. in the present disclosure may be read interchangeably.
  • the PUCCH allows channel state information (CSI), delivery confirmation information (for example, may be called Hybrid Automatic Repeat Request ACKnowledgement (HARQ-ACK), ACK/NACK, etc.), and scheduling request ( Uplink Control Information (UCI) including at least one of SR)) may be transmitted.
  • CSI channel state information
  • delivery confirmation information for example, may be called Hybrid Automatic Repeat Request ACKnowledgement (HARQ-ACK), ACK/NACK, etc.
  • UCI Uplink Control Information including at least one of SR
  • a random access preamble for establishing a connection with a cell may be transmitted by PRACH.
  • downlinks, uplinks, etc. may be expressed without adding "link”.
  • various channels may be expressed without adding "Physical” at the beginning.
  • a synchronization signal (SS), a downlink reference signal (DL-RS), and the like may be transmitted.
  • the DL-RS includes a cell-specific reference signal (CRS), a channel state information reference signal (CSI-RS), and a demodulation reference signal (DeModulation).
  • Reference Signal (DMRS)), Positioning Reference Signal (PRS), Phase Tracking Reference Signal (PTRS), etc. may be transmitted.
  • the synchronization signal may be, for example, at least one of a primary synchronization signal (PSS) and a secondary synchronization signal (SSS).
  • a signal block including SS (PSS, SSS) and PBCH (and DMRS for PBCH) may be called an SS/PBCH block, SS Block (SSB), etc. Note that SS, SSB, etc. may also be called reference signals.
  • DMRS Downlink Reference Signal
  • UL-RS uplink reference signals
  • SRS Sounding Reference Signal
  • DMRS demodulation reference signals
  • UE-specific reference signal user terminal-specific reference signal
  • FIG. 30 is a diagram illustrating an example of the configuration of a base station according to an embodiment.
  • the base station 10 includes a control section 110, a transmitting/receiving section 120, a transmitting/receiving antenna 130, and a transmission line interface 140. Note that one or more of each of the control unit 110, the transmitting/receiving unit 120, the transmitting/receiving antenna 130, and the transmission path interface 140 may be provided.
  • this example mainly shows functional blocks that are characteristic of the present embodiment, and it may be assumed that the base station 10 also has other functional blocks necessary for wireless communication. A part of the processing of each unit described below may be omitted.
  • the control unit 110 controls the entire base station 10.
  • the control unit 110 can be configured from a controller, a control circuit, etc., which will be explained based on common recognition in the technical field related to the present disclosure.
  • the control unit 110 may control signal generation, scheduling (e.g., resource allocation, mapping), and the like.
  • the control unit 110 may control transmission and reception, measurement, etc. using the transmitting/receiving unit 120, the transmitting/receiving antenna 130, and the transmission path interface 140.
  • the control unit 110 may generate data, control information, a sequence, etc. to be transmitted as a signal, and may transfer the generated data to the transmitting/receiving unit 120.
  • the control unit 110 may perform communication channel call processing (setting, release, etc.), status management of the base station 10, radio resource management, and the like.
  • the transmitting/receiving section 120 may include a baseband section 121, a radio frequency (RF) section 122, and a measuring section 123.
  • the baseband section 121 may include a transmission processing section 1211 and a reception processing section 1212.
  • the transmitter/receiver unit 120 includes a transmitter/receiver, an RF circuit, a baseband circuit, a filter, a phase shifter, a measurement circuit, a transmitter/receiver circuit, etc., which are explained based on common understanding in the technical field related to the present disclosure. be able to.
  • the transmitting/receiving section 120 may be configured as an integrated transmitting/receiving section, or may be configured from a transmitting section and a receiving section.
  • the transmitting section may include a transmitting processing section 1211 and an RF section 122.
  • the reception section may include a reception processing section 1212, an RF section 122, and a measurement section 123.
  • the transmitting/receiving antenna 130 can be configured from an antenna described based on common recognition in the technical field related to the present disclosure, such as an array antenna.
  • the transmitter/receiver 120 may transmit the above-mentioned downlink channel, synchronization signal, downlink reference signal, etc.
  • the transmitter/receiver 120 may receive the above-mentioned uplink channel, uplink reference signal, and the like.
  • the transmitting/receiving unit 120 may form at least one of a transmitting beam and a receiving beam using digital beamforming (e.g., precoding), analog beamforming (e.g., phase rotation), or the like.
  • digital beamforming e.g., precoding
  • analog beamforming e.g., phase rotation
  • the transmitting/receiving unit 120 (transmission processing unit 1211) performs Packet Data Convergence Protocol (PDCP) layer processing, Radio Link Control (RLC) layer processing (for example, RLC retransmission control), Medium Access Control (MAC) layer processing (for example, HARQ retransmission control), etc. may be performed to generate a bit string to be transmitted.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Medium Access Control
  • HARQ retransmission control for example, HARQ retransmission control
  • the transmitting/receiving unit 120 performs channel encoding (which may include error correction encoding), modulation, mapping, filter processing, and discrete Fourier transform (DFT) on the bit string to be transmitted.
  • a baseband signal may be output by performing transmission processing such as processing (if necessary), Inverse Fast Fourier Transform (IFFT) processing, precoding, and digital-to-analog conversion.
  • IFFT Inverse Fast Fourier Transform
  • the transmitting/receiving unit 120 may perform modulation, filter processing, amplification, etc. on the baseband signal in a radio frequency band, and may transmit the signal in the radio frequency band via the transmitting/receiving antenna 130. .
  • the transmitting/receiving section 120 may perform amplification, filter processing, demodulation into a baseband signal, etc. on the radio frequency band signal received by the transmitting/receiving antenna 130.
  • the transmitting/receiving unit 120 (reception processing unit 1212) performs analog-to-digital conversion, fast Fourier transform (FFT) processing, and inverse discrete Fourier transform (IDFT) on the acquired baseband signal. )) processing (if necessary), applying reception processing such as filter processing, demapping, demodulation, decoding (which may include error correction decoding), MAC layer processing, RLC layer processing and PDCP layer processing, User data etc. may also be acquired.
  • FFT fast Fourier transform
  • IDFT inverse discrete Fourier transform
  • the transmitting/receiving unit 120 may perform measurements regarding the received signal.
  • the measurement unit 123 may perform Radio Resource Management (RRM) measurement, Channel State Information (CSI) measurement, etc. based on the received signal.
  • the measurement unit 123 is the receiving power (for example, Reference Signal Received Power (RSRP)), Receive Quality (eg, Reference Signal Received Quality (RSRQ), Signal To InterfERENCE PLUS NOI. SE RATIO (SINR), Signal to Noise Ratio (SNR) , signal strength (for example, Received Signal Strength Indicator (RSSI)), propagation path information (for example, CSI), etc. may be measured.
  • the measurement results may be output to the control unit 110.
  • the transmission path interface 140 transmits and receives signals (backhaul signaling) between devices included in the core network 30 (for example, network nodes providing NF), other base stations 10, etc., and provides information for the user terminal 20.
  • signals backhaul signaling
  • devices included in the core network 30 for example, network nodes providing NF, other base stations 10, etc.
  • User data user plane data
  • control plane data etc. may be acquired and transmitted.
  • the transmitting unit and receiving unit of the base station 10 in the present disclosure may be configured by at least one of the transmitting/receiving unit 120, the transmitting/receiving antenna 130, and the transmission path interface 140.
  • the transmitter/receiver 120 may transmit information on CSI resource settings associated with a plurality of channel state information (CSI) resource sets.
  • CSI channel state information
  • the transmitting/receiving unit 120 may receive the CSI report that includes only the one resource index among the plurality of resource indexes.
  • the transmitting/receiving unit 120 may receive the CSI report including the plurality of resource indexes.
  • the transmitting/receiving unit 120 may transmit information specifying a spatial domain receive filter or panel to be used for measurements for a Channel State Information (CSI) report.
  • CSI Channel State Information
  • the transmitting/receiving unit 120 may receive the CSI report including the results measured using the spatial domain reception filter or panel.
  • the transmitter/receiver 120 does not need to receive receive beam information in the CSI field.
  • the transmitter/receiver 120 does not need to receive the CapabilityIndex field in the CSI field.
  • the transmitting/receiving unit 120 may receive information regarding the association of spatial domain reception filters and panels.
  • the control unit 110 may perform control to receive a CSI report indicating measurement results regarding one or more CSI resource sets selected from the plurality of CSI resource sets.
  • the control unit 110 may determine one resource index that satisfies a specific condition from a plurality of resource indexes corresponding to a plurality of measurement results included in a channel state information (CSI) report.
  • CSI channel state information
  • the control unit 110 may determine a plurality of resource indexes corresponding to measurement results to be included in a channel state information (CSI) report from among resource indexes that satisfy a specific condition.
  • CSI channel state information
  • FIG. 31 is a diagram illustrating an example of the configuration of a user terminal according to an embodiment.
  • the user terminal 20 includes a control section 210, a transmitting/receiving section 220, and a transmitting/receiving antenna 230. Note that one or more of each of the control unit 210, the transmitting/receiving unit 220, and the transmitting/receiving antenna 230 may be provided.
  • this example mainly shows functional blocks that are characteristic of the present embodiment, and it may be assumed that the user terminal 20 also has other functional blocks necessary for wireless communication. A part of the processing of each unit described below may be omitted.
  • the control unit 210 controls the entire user terminal 20.
  • the control unit 210 can be configured from a controller, a control circuit, etc., which will be explained based on common recognition in the technical field related to the present disclosure.
  • the control unit 210 may control signal generation, mapping, etc.
  • the control unit 210 may control transmission and reception using the transmitting/receiving unit 220 and the transmitting/receiving antenna 230, measurement, and the like.
  • the control unit 210 may generate data, control information, sequences, etc. to be transmitted as a signal, and may transfer the generated data to the transmitting/receiving unit 220.
  • the transmitting/receiving section 220 may include a baseband section 221, an RF section 222, and a measuring section 223.
  • the baseband section 221 may include a transmission processing section 2211 and a reception processing section 2212.
  • the transmitting/receiving unit 220 can be configured from a transmitter/receiver, an RF circuit, a baseband circuit, a filter, a phase shifter, a measuring circuit, a transmitting/receiving circuit, etc., which are explained based on common recognition in the technical field related to the present disclosure.
  • the transmitting/receiving section 220 may be configured as an integrated transmitting/receiving section, or may be configured from a transmitting section and a receiving section.
  • the transmitting section may include a transmitting processing section 2211 and an RF section 222.
  • the reception section may include a reception processing section 2212, an RF section 222, and a measurement section 223.
  • the transmitting/receiving antenna 230 can be configured from an antenna, such as an array antenna, as described based on common recognition in the technical field related to the present disclosure.
  • the transmitter/receiver 220 may receive the above-mentioned downlink channel, synchronization signal, downlink reference signal, etc.
  • the transmitter/receiver 220 may transmit the above-mentioned uplink channel, uplink reference signal, and the like.
  • the transmitting/receiving unit 220 may form at least one of a transmitting beam and a receiving beam using digital beamforming (e.g., precoding), analog beamforming (e.g., phase rotation), or the like.
  • digital beamforming e.g., precoding
  • analog beamforming e.g., phase rotation
  • the transmission/reception unit 220 (transmission processing unit 2211) performs PDCP layer processing, RLC layer processing (e.g. RLC retransmission control), MAC layer processing (e.g. , HARQ retransmission control), etc., to generate a bit string to be transmitted.
  • RLC layer processing e.g. RLC retransmission control
  • MAC layer processing e.g. , HARQ retransmission control
  • the transmitting/receiving unit 220 (transmission processing unit 2211) performs channel encoding (which may include error correction encoding), modulation, mapping, filter processing, DFT processing (as necessary), and IFFT processing on the bit string to be transmitted. , precoding, digital-to-analog conversion, etc., and output a baseband signal.
  • DFT processing may be based on the settings of transform precoding.
  • the transmitting/receiving unit 220 transmits the above processing in order to transmit the channel using the DFT-s-OFDM waveform.
  • DFT processing may be performed as the transmission processing, or if not, DFT processing may not be performed as the transmission processing.
  • the transmitting/receiving unit 220 may perform modulation, filter processing, amplification, etc. on the baseband signal in a radio frequency band, and may transmit the signal in the radio frequency band via the transmitting/receiving antenna 230. .
  • the transmitting/receiving section 220 may perform amplification, filter processing, demodulation into a baseband signal, etc. on the radio frequency band signal received by the transmitting/receiving antenna 230.
  • the transmission/reception unit 220 (reception processing unit 2212) performs analog-to-digital conversion, FFT processing, IDFT processing (if necessary), filter processing, demapping, demodulation, and decoding (error correction) on the acquired baseband signal. (which may include decoding), MAC layer processing, RLC layer processing, and PDCP layer processing may be applied to obtain user data and the like.
  • the transmitting/receiving unit 220 may perform measurements regarding the received signal.
  • the measurement unit 223 may perform RRM measurement, CSI measurement, etc. based on the received signal.
  • the measurement unit 223 may measure received power (for example, RSRP), reception quality (for example, RSRQ, SINR, SNR), signal strength (for example, RSSI), propagation path information (for example, CSI), and the like.
  • the measurement results may be output to the control unit 210.
  • the transmitting unit and receiving unit of the user terminal 20 in the present disclosure may be configured by at least one of the transmitting/receiving unit 220 and the transmitting/receiving antenna 230.
  • the transmitting/receiving unit 220 may receive information on CSI resource settings associated with a plurality of channel state information (CSI) resource sets.
  • CSI channel state information
  • the transmitting/receiving unit 220 may transmit the CSI report that includes only the one resource index among the plurality of resource indexes.
  • the transmitter/receiver 220 may transmit the CSI report including the plurality of resource indexes.
  • the transceiver unit 220 may receive information specifying a spatial domain receive filter or panel to be used for measurements for Channel State Information (CSI) reporting.
  • CSI Channel State Information
  • the transmitting/receiving unit 220 may transmit the CSI report including the results measured using the spatial domain reception filter or panel.
  • the transmitter/receiver 220 does not need to transmit receive beam information in the CSI field.
  • the transmitter/receiver 220 does not need to transmit the CapabilityIndex field in the CSI field.
  • the transmitting/receiving unit 220 may transmit information regarding the association of the spatial domain reception filter and the panel.
  • the control unit 210 may perform control to transmit a CSI report indicating measurement results regarding one or more CSI resource sets selected from the plurality of CSI resource sets.
  • the control unit 210 may determine one resource index that satisfies a specific condition from a plurality of resource indexes corresponding to a plurality of measurement results included in a channel state information (CSI) report.
  • CSI channel state information
  • the control unit 210 may select a resource index offset by a certain offset number from among the plurality of consecutive resource indexes.
  • the control unit 210 may select the plurality of resource index resources corresponding to the plurality of measurement results based on the number of resource indexes in the first direction and the number of resource indexes in the second direction.
  • the control unit 210 may determine a plurality of resource indexes corresponding to measurement results to be included in a channel state information (CSI) report from among resource indexes that satisfy a specific condition.
  • CSI channel state information
  • the control unit 210 may apply the same spatial domain reception filter during a certain period.
  • the control unit 210 may generate information regarding the association of spatial domain reception filters and panels.
  • each functional block may be realized using one physically or logically coupled device, or may be realized using two or more physically or logically separated devices directly or indirectly (e.g. , wired, wireless, etc.) and may be realized using a plurality of these devices.
  • the functional block may be realized by combining software with the one device or the plurality of devices.
  • functions include judgment, decision, judgement, calculation, calculation, processing, derivation, investigation, exploration, confirmation, reception, transmission, output, access, solution, selection, selection, establishment, comparison, assumption, expectation, and consideration. , broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc.
  • a functional block (configuration unit) that performs transmission may be called a transmitting unit, a transmitter, or the like. In either case, as described above, the implementation method is not particularly limited.
  • a base station, a user terminal, etc. in an embodiment of the present disclosure may function as a computer that performs processing of the wireless communication method of the present disclosure.
  • FIG. 32 is a diagram illustrating an example of the hardware configuration of a base station and a user terminal according to an embodiment.
  • the base station 10 and user terminal 20 described above may be physically configured as a computer device including a processor 1001, a memory 1002, a storage 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, etc. .
  • the hardware configuration of the base station 10 and the user terminal 20 may be configured to include one or more of each device shown in the figure, or may be configured not to include some of the devices.
  • processor 1001 may be implemented using one or more chips.
  • Each function in the base station 10 and the user terminal 20 is performed by, for example, loading predetermined software (program) onto hardware such as a processor 1001 and a memory 1002, so that the processor 1001 performs calculations and communicates via the communication device 1004. This is achieved by controlling at least one of reading and writing data in the memory 1002 and storage 1003.
  • predetermined software program
  • the processor 1001 operates an operating system to control the entire computer.
  • the processor 1001 may be configured by a central processing unit (CPU) that includes interfaces with peripheral devices, a control device, an arithmetic unit, registers, and the like.
  • CPU central processing unit
  • the above-mentioned control unit 110 (210), transmitting/receiving unit 120 (220), etc. may be realized by the processor 1001.
  • the processor 1001 reads programs (program codes), software modules, data, etc. from at least one of the storage 1003 and the communication device 1004 to the memory 1002, and executes various processes in accordance with these.
  • programs program codes
  • software modules software modules
  • data etc.
  • the control unit 110 may be realized by a control program stored in the memory 1002 and operated in the processor 1001, and other functional blocks may also be realized in the same way.
  • the memory 1002 is a computer-readable recording medium, and includes at least one of Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically EPROM (EEPROM), Random Access Memory (RAM), and other suitable storage media. It may be composed of one. Memory 1002 may be called a register, cache, main memory (main memory), or the like.
  • the memory 1002 can store executable programs (program codes), software modules, and the like to implement a wireless communication method according to an embodiment of the present disclosure.
  • the storage 1003 is a computer-readable recording medium, such as a flexible disk, a floppy (registered trademark) disk, a magneto-optical disk (for example, a compact disk (CD-ROM), etc.), a digital versatile disk, removable disk, hard disk drive, smart card, flash memory device (e.g., card, stick, key drive), magnetic stripe, database, server, or other suitable storage medium. It may be configured by Storage 1003 may also be called an auxiliary storage device.
  • a computer-readable recording medium such as a flexible disk, a floppy (registered trademark) disk, a magneto-optical disk (for example, a compact disk (CD-ROM), etc.), a digital versatile disk, removable disk, hard disk drive, smart card, flash memory device (e.g., card, stick, key drive), magnetic stripe, database, server, or other suitable storage medium. It may be configured by Storage 1003 may also be called an auxiliary storage device.
  • the communication device 1004 is hardware (transmission/reception device) for communicating between computers via at least one of a wired network and a wireless network, and is also referred to as a network device, network controller, network card, communication module, etc., for example.
  • the communication device 1004 includes, for example, a high frequency switch, a duplexer, a filter, a frequency synthesizer, etc. in order to realize at least one of frequency division duplex (FDD) and time division duplex (TDD). It may be configured to include.
  • FDD frequency division duplex
  • TDD time division duplex
  • the transmitter/receiver 120 (220) may be physically or logically separated into a transmitter 120a (220a) and a receiver 120b (220b).
  • the input device 1005 is an input device (eg, keyboard, mouse, microphone, switch, button, sensor, etc.) that accepts input from the outside.
  • the output device 1006 is an output device (for example, a display, a speaker, a light emitting diode (LED) lamp, etc.) that performs output to the outside. Note that the input device 1005 and the output device 1006 may have an integrated configuration (for example, a touch panel).
  • each device such as the processor 1001 and the memory 1002 is connected by a bus 1007 for communicating information.
  • the bus 1007 may be configured using a single bus, or may be configured using different buses for each device.
  • the base station 10 and user terminal 20 also include a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), a field programmable gate array (FPGA), etc. It may be configured to include hardware, and a part or all of each functional block may be realized using the hardware. For example, processor 1001 may be implemented using at least one of these hardwares.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • PLD programmable logic device
  • FPGA field programmable gate array
  • channel, symbol and signal may be interchanged.
  • the signal may be a message.
  • the reference signal may also be abbreviated as RS, and may be called a pilot, pilot signal, etc. depending on the applicable standard.
  • a component carrier CC may be called a cell, a frequency carrier, a carrier frequency, or the like.
  • a radio frame may be composed of one or more periods (frames) in the time domain.
  • Each of the one or more periods (frames) constituting a radio frame may be called a subframe.
  • a subframe may be composed of one or more slots in the time domain.
  • a subframe may have a fixed time length (eg, 1 ms) that does not depend on numerology.
  • the numerology may be a communication parameter applied to at least one of transmission and reception of a certain signal or channel.
  • Numerology includes, for example, subcarrier spacing (SCS), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI), number of symbols per TTI, and radio frame configuration. , a specific filtering process that the transceiver performs in the frequency domain, a specific windowing process that the transceiver performs in the time domain, etc.
  • a slot may be composed of one or more symbols (Orthogonal Frequency Division Multiplexing (OFDM) symbols, Single Carrier Frequency Division Multiple Access (SC-FDMA) symbols, etc.) in the time domain. Furthermore, a slot may be a time unit based on numerology.
  • OFDM Orthogonal Frequency Division Multiplexing
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • a slot may include multiple mini-slots. Each minislot may be made up of one or more symbols in the time domain. Furthermore, a mini-slot may also be called a sub-slot. A minislot may be made up of fewer symbols than a slot.
  • PDSCH (or PUSCH) transmitted in time units larger than minislots may be referred to as PDSCH (PUSCH) mapping type A.
  • PDSCH (or PUSCH) transmitted using minislots may be referred to as PDSCH (PUSCH) mapping type B.
  • Radio frames, subframes, slots, minislots, and symbols all represent time units when transmitting signals. Other names may be used for the radio frame, subframe, slot, minislot, and symbol. Note that time units such as frames, subframes, slots, minislots, and symbols in the present disclosure may be read interchangeably.
  • one subframe may be called a TTI
  • a plurality of consecutive subframes may be called a TTI
  • one slot or one minislot may be called a TTI.
  • at least one of the subframe and TTI may be a subframe (1ms) in existing LTE, a period shorter than 1ms (for example, 1-13 symbols), or a period longer than 1ms. It may be.
  • the unit representing the TTI may be called a slot, minislot, etc. instead of a subframe.
  • TTI refers to, for example, the minimum time unit for scheduling in wireless communication.
  • a base station performs scheduling to allocate radio resources (frequency bandwidth, transmission power, etc. that can be used by each user terminal) to each user terminal on a TTI basis.
  • radio resources frequency bandwidth, transmission power, etc. that can be used by each user terminal
  • the TTI may be a transmission time unit of a channel-coded data packet (transport block), a code block, a codeword, etc., or may be a processing unit of scheduling, link adaptation, etc. Note that when a TTI is given, the time interval (for example, the number of symbols) to which transport blocks, code blocks, code words, etc. are actually mapped may be shorter than the TTI.
  • one slot or one minislot is called a TTI
  • one or more TTIs may be the minimum time unit for scheduling.
  • the number of slots (minislot number) that constitutes the minimum time unit of the scheduling may be controlled.
  • a TTI having a time length of 1 ms may be called a normal TTI (TTI in 3GPP Rel. 8-12), normal TTI, long TTI, normal subframe, normal subframe, long subframe, slot, etc.
  • TTI TTI in 3GPP Rel. 8-12
  • normal TTI long TTI
  • normal subframe normal subframe
  • long subframe slot
  • TTI that is shorter than the normal TTI may be referred to as an abbreviated TTI, short TTI, partial or fractional TTI, shortened subframe, short subframe, minislot, subslot, slot, etc.
  • long TTI for example, normal TTI, subframe, etc.
  • short TTI for example, short TTI, etc. It may also be read as a TTI having the above TTI length.
  • a resource block is a resource allocation unit in the time domain and frequency domain, and may include one or more continuous subcarriers (subcarriers) in the frequency domain.
  • the number of subcarriers included in an RB may be the same regardless of the numerology, and may be 12, for example.
  • the number of subcarriers included in an RB may be determined based on numerology.
  • an RB may include one or more symbols in the time domain, and may have a length of one slot, one minislot, one subframe, or one TTI.
  • One TTI, one subframe, etc. may each be composed of one or more resource blocks.
  • one or more RBs include a physical resource block (Physical RB (PRB)), a sub-carrier group (SCG), a resource element group (REG), a PRB pair, and an RB. They may also be called pairs.
  • PRB Physical RB
  • SCG sub-carrier group
  • REG resource element group
  • PRB pair an RB. They may also be called pairs.
  • a resource block may be configured by one or more resource elements (REs).
  • REs resource elements
  • 1 RE may be a radio resource region of 1 subcarrier and 1 symbol.
  • Bandwidth Part (also called partial bandwidth, etc.) refers to a subset of consecutive common resource blocks (RB) for a certain numerology in a certain carrier.
  • the common RB may be specified by an RB index based on a common reference point of the carrier.
  • PRBs may be defined in a BWP and numbered within that BWP.
  • BWP may include UL BWP (BWP for UL) and DL BWP (BWP for DL).
  • BWP UL BWP
  • BWP for DL DL BWP
  • One or more BWPs may be configured within one carrier for a UE.
  • At least one of the configured BWPs may be active and the UE may not expect to transmit or receive a given signal/channel outside of the active BWP.
  • “cell”, “carrier”, etc. in the present disclosure may be replaced with "BWP”.
  • the structures of the radio frame, subframe, slot, minislot, symbol, etc. described above are merely examples.
  • the number of subframes included in a radio frame, the number of slots per subframe or radio frame, the number of minislots included in a slot, the number of symbols and RBs included in a slot or minislot, the number of symbols included in an RB The number of subcarriers, the number of symbols within a TTI, the symbol length, the cyclic prefix (CP) length, and other configurations can be changed in various ways.
  • radio resources may be indicated by a predetermined index.
  • data, instructions, commands, information, signals, bits, symbols, chips, etc. which may be referred to throughout the above description, may refer to voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, light fields or photons, or any of these. It may also be represented by a combination of
  • information, signals, etc. may be output from the upper layer to the lower layer and from the lower layer to at least one of the upper layer.
  • Information, signals, etc. may be input and output via multiple network nodes.
  • Input/output information, signals, etc. may be stored in a specific location (for example, memory) or may be managed using a management table. Information, signals, etc. that are input and output can be overwritten, updated, or added. The output information, signals, etc. may be deleted. The input information, signals, etc. may be transmitted to other devices.
  • Notification of information is not limited to the aspects/embodiments described in this disclosure, and may be performed using other methods.
  • the notification of information in this disclosure may be physical layer signaling (e.g., Downlink Control Information (DCI), Uplink Control Information (UCI)), upper layer signaling (e.g., Radio Resource Control (RRC) signaling, broadcast information (Master Information Block (MIB), System Information Block (SIB), etc.), Medium Access Control (MAC) signaling), other signals, or a combination thereof It may be carried out by physical layer signaling (e.g., Downlink Control Information (DCI), Uplink Control Information (UCI)), upper layer signaling (e.g., Radio Resource Control (RRC) signaling, broadcast information (Master Information Block (MIB), System Information Block (SIB), etc.), Medium Access Control (MAC) signaling), other signals, or a combination thereof It may be carried out by
  • the physical layer signaling may also be called Layer 1/Layer 2 (L1/L2) control information (L1/L2 control signal), L1 control information (L1 control signal), etc.
  • RRC signaling may be called an RRC message, and may be, for example, an RRC Connection Setup message, an RRC Connection Reconfiguration message, or the like.
  • MAC signaling may be notified using, for example, a MAC Control Element (CE).
  • CE MAC Control Element
  • notification of prescribed information is not limited to explicit notification, but may be made implicitly (for example, by not notifying the prescribed information or by providing other information) (by notification).
  • the determination may be made by a value expressed by 1 bit (0 or 1), or by a boolean value expressed by true or false. , may be performed by numerical comparison (for example, comparison with a predetermined value).
  • Software includes instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, whether referred to as software, firmware, middleware, microcode, hardware description language, or by any other name. , should be broadly construed to mean an application, software application, software package, routine, subroutine, object, executable, thread of execution, procedure, function, etc.
  • software, instructions, information, etc. may be sent and received via a transmission medium.
  • a transmission medium such as coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.
  • wired technology such as coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.
  • wireless technology such as infrared, microwave, etc.
  • Network may refer to devices (eg, base stations) included in the network.
  • precoding "precoding weight”
  • QCL quadsi-co-location
  • TCI state "Transmission Configuration Indication state
  • space space
  • spatial relation "spatial domain filter”
  • transmission power "phase rotation”
  • antenna port "antenna port group”
  • layer "number of layers”
  • Terms such as “rank”, “resource”, “resource set”, “resource group”, “beam”, “beam width”, “beam angle”, “antenna”, “antenna element”, and “panel” are interchangeable.
  • Base Station BS
  • Wireless base station Wireless base station
  • Fixed station NodeB
  • eNB eNodeB
  • gNB gNodeB
  • Access point "Transmission Point (TP)”, “Reception Point (RP)”, “Transmission/Reception Point (TRP)”, “Panel”
  • cell “sector,” “cell group,” “carrier,” “component carrier,” and the like
  • a base station is sometimes referred to by terms such as macrocell, small cell, femtocell, and picocell.
  • a base station can accommodate one or more (eg, three) cells. If a base station accommodates multiple cells, the overall coverage area of the base station can be partitioned into multiple smaller areas, and each smaller area is connected to a base station subsystem (e.g., an indoor small base station (Remote Radio Communication services can also be provided by the Head (RRH)).
  • a base station subsystem e.g., an indoor small base station (Remote Radio Communication services can also be provided by the Head (RRH)
  • RRH Remote Radio Communication services
  • the term “cell” or “sector” refers to part or all of the coverage area of a base station and/or base station subsystem that provides communication services in this coverage.
  • a base station transmitting information to a terminal may be interchanged with the base station instructing the terminal to control/operate based on the information.
  • MS Mobile Station
  • UE User Equipment
  • a mobile station is a subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal. , handset, user agent, mobile client, client, or some other suitable terminology.
  • At least one of a base station and a mobile station may be called a transmitting device, a receiving device, a wireless communication device, etc.
  • a transmitting device may be called a transmitting device, a receiving device, a wireless communication device, etc.
  • the base station and the mobile station may be a device mounted on a moving object, the moving object itself, or the like.
  • the moving body refers to a movable object, and the moving speed is arbitrary, and naturally includes cases where the moving body is stopped.
  • the mobile objects include, for example, vehicles, transport vehicles, automobiles, motorcycles, bicycles, connected cars, excavators, bulldozers, wheel loaders, dump trucks, forklifts, trains, buses, carts, rickshaws, and ships (ships and other watercraft). , including, but not limited to, airplanes, rockets, artificial satellites, drones, multicopters, quadcopters, balloons, and items mounted thereon.
  • the mobile object may be a mobile object that autonomously travels based on a travel command.
  • the moving object may be a vehicle (for example, a car, an airplane, etc.), an unmanned moving object (for example, a drone, a self-driving car, etc.), or a robot (manned or unmanned). ).
  • a vehicle for example, a car, an airplane, etc.
  • an unmanned moving object for example, a drone, a self-driving car, etc.
  • a robot manned or unmanned.
  • at least one of the base station and the mobile station includes devices that do not necessarily move during communication operations.
  • at least one of the base station and the mobile station may be an Internet of Things (IoT) device such as a sensor.
  • IoT Internet of Things
  • FIG. 33 is a diagram illustrating an example of a vehicle according to an embodiment.
  • the vehicle 40 includes a drive unit 41, a steering unit 42, an accelerator pedal 43, a brake pedal 44, a shift lever 45, left and right front wheels 46, left and right rear wheels 47, an axle 48, an electronic control unit 49, various sensors (current sensor 50, (including a rotation speed sensor 51, an air pressure sensor 52, a vehicle speed sensor 53, an acceleration sensor 54, an accelerator pedal sensor 55, a brake pedal sensor 56, a shift lever sensor 57, and an object detection sensor 58), an information service section 59, and a communication module 60.
  • current sensor 50 including a rotation speed sensor 51, an air pressure sensor 52, a vehicle speed sensor 53, an acceleration sensor 54, an accelerator pedal sensor 55, a brake pedal sensor 56, a shift lever sensor 57, and an object detection sensor 58
  • an information service section 59 including a communication module 60.
  • the drive unit 41 is composed of, for example, at least one of an engine, a motor, and a hybrid of an engine and a motor.
  • the steering unit 42 includes at least a steering wheel (also referred to as a steering wheel), and is configured to steer at least one of the front wheels 46 and the rear wheels 47 based on the operation of the steering wheel operated by the user.
  • the electronic control unit 49 includes a microprocessor 61, a memory (ROM, RAM) 62, and a communication port (for example, an input/output (IO) port) 63. Signals from various sensors 50-58 provided in the vehicle are input to the electronic control unit 49.
  • the electronic control section 49 may be called an electronic control unit (ECU).
  • the signals from the various sensors 50 to 58 include a current signal from the current sensor 50 that senses the current of the motor, a rotation speed signal of the front wheel 46/rear wheel 47 obtained by the rotation speed sensor 51, and a signal obtained by the air pressure sensor 52.
  • air pressure signals of the front wheels 46/rear wheels 47 a vehicle speed signal acquired by the vehicle speed sensor 53, an acceleration signal acquired by the acceleration sensor 54, a depression amount signal of the accelerator pedal 43 acquired by the accelerator pedal sensor 55, and a brake pedal sensor.
  • 56 a shift lever 45 operation signal obtained by the shift lever sensor 57, and an object detection sensor 58 for detecting obstacles, vehicles, pedestrians, etc. There are signals etc.
  • the information service department 59 includes various devices such as car navigation systems, audio systems, speakers, displays, televisions, and radios that provide (output) various information such as driving information, traffic information, and entertainment information, and these devices. It consists of one or more ECUs that control the The information service unit 59 provides various information/services (for example, multimedia information/multimedia services) to the occupants of the vehicle 40 using information acquired from an external device via the communication module 60 or the like.
  • various information/services for example, multimedia information/multimedia services
  • the information service unit 59 may include an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, a touch panel, etc.) that accepts input from the outside, and an output device that performs output to the outside (for example, display, speaker, LED lamp, touch panel, etc.).
  • an input device for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, a touch panel, etc.
  • an output device that performs output to the outside (for example, display, speaker, LED lamp, touch panel, etc.).
  • the driving support system unit 64 includes millimeter wave radar, Light Detection and Ranging (LiDAR), a camera, a positioning locator (for example, Global Navigation Satellite System (GNSS), etc.), and map information (for example, High Definition (HD)). maps, autonomous vehicle (AV) maps, etc.), gyro systems (e.g., inertial measurement units (IMUs), inertial navigation systems (INS), etc.), artificial intelligence ( Artificial Intelligence (AI) chips, AI processors, and other devices that provide functions to prevent accidents and reduce the driver's driving burden, as well as one or more devices that control these devices. It consists of an ECU. Further, the driving support system section 64 transmits and receives various information via the communication module 60, and realizes a driving support function or an automatic driving function.
  • LiDAR Light Detection and Ranging
  • GNSS Global Navigation Satellite System
  • HD High Definition
  • maps for example, autonomous vehicle (AV) maps, etc.
  • gyro systems e.g.,
  • the communication module 60 can communicate with the microprocessor 61 and components of the vehicle 40 via the communication port 63.
  • the communication module 60 communicates via the communication port 63 with a drive unit 41, a steering unit 42, an accelerator pedal 43, a brake pedal 44, a shift lever 45, left and right front wheels 46, left and right rear wheels 47, which are included in the vehicle 40.
  • Data (information) is transmitted and received between the axle 48, the microprocessor 61 and memory (ROM, RAM) 62 in the electronic control unit 49, and various sensors 50-58.
  • the communication module 60 is a communication device that can be controlled by the microprocessor 61 of the electronic control unit 49 and can communicate with external devices. For example, various information is transmitted and received with an external device via wireless communication.
  • the communication module 60 may be located either inside or outside the electronic control unit 49.
  • the external device may be, for example, the base station 10, user terminal 20, etc. described above.
  • the communication module 60 may be, for example, at least one of the base station 10 and the user terminal 20 described above (it may function as at least one of the base station 10 and the user terminal 20).
  • the communication module 60 receives signals from the various sensors 50 to 58 described above that are input to the electronic control unit 49, information obtained based on the signals, and input from the outside (user) obtained via the information service unit 59. At least one of the information based on the information may be transmitted to an external device via wireless communication.
  • the electronic control unit 49, various sensors 50-58, information service unit 59, etc. may be called an input unit that receives input.
  • the PUSCH transmitted by the communication module 60 may include information based on the above input.
  • the communication module 60 receives various information (traffic information, signal information, inter-vehicle information, etc.) transmitted from an external device, and displays it on the information service section 59 provided in the vehicle.
  • the information service unit 59 is an output unit that outputs information (for example, outputs information to devices such as a display and a speaker based on the PDSCH (or data/information decoded from the PDSCH) received by the communication module 60). may be called.
  • the communication module 60 also stores various information received from external devices into a memory 62 that can be used by the microprocessor 61. Based on the information stored in the memory 62, the microprocessor 61 controls the drive unit 41, steering unit 42, accelerator pedal 43, brake pedal 44, shift lever 45, left and right front wheels 46, and left and right rear wheels provided in the vehicle 40. 47, axle 48, various sensors 50-58, etc. may be controlled.
  • the base station in the present disclosure may be replaced by a user terminal.
  • communication between a base station and a user terminal is replaced with communication between multiple user terminals (for example, it may be called Device-to-Device (D2D), Vehicle-to-Everything (V2X), etc.).
  • D2D Device-to-Device
  • V2X Vehicle-to-Everything
  • each aspect/embodiment of the present disclosure may be applied.
  • the user terminal 20 may have the functions that the base station 10 described above has.
  • words such as "uplink” and “downlink” may be replaced with words corresponding to inter-terminal communication (for example, "sidelink”).
  • uplink channels, downlink channels, etc. may be replaced with sidelink channels.
  • the user terminal in the present disclosure may be replaced with a base station.
  • the base station 10 may have the functions that the user terminal 20 described above has.
  • the operations performed by the base station may be performed by its upper node in some cases.
  • various operations performed for communication with a terminal may be performed by the base station, one or more network nodes other than the base station (e.g. It is clear that this can be performed by a Mobility Management Entity (MME), a Serving-Gateway (S-GW), etc. (though not limited thereto), or a combination thereof.
  • MME Mobility Management Entity
  • S-GW Serving-Gateway
  • Each aspect/embodiment described in this disclosure may be used alone, in combination, or may be switched and used in accordance with execution. Further, the order of the processing procedures, sequences, flowcharts, etc. of each aspect/embodiment described in this disclosure may be changed as long as there is no contradiction. For example, the methods described in this disclosure use an example order to present elements of the various steps and are not limited to the particular order presented.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • LTE-B LTE-Beyond
  • SUPER 3G IMT-Advanced
  • 4G 4th generation mobile communication system
  • 5G 5th generation mobile communication system
  • 6G 6th generation mobile communication system
  • xG x is an integer or decimal number, for example
  • Future Radio Access FAA
  • RAT New-Radio Access Technology
  • NR New Radio
  • NX New radio access
  • FX Future generation radio access
  • GSM registered trademark
  • CDMA2000 Code Division Multiple Access
  • UMB Ultra Mobile Broadband
  • IEEE 802 .11 Wi-Fi (registered trademark)
  • IEEE 802.16 WiMAX (registered trademark)
  • IEEE 802.20 Ultra-WideBand (UWB), Bluetooth (registered trademark), and other appropriate wireless communication methods.
  • the present invention may be applied to systems to be used, next-generation systems expanded, modified,
  • the phrase “based on” does not mean “based solely on” unless explicitly stated otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
  • any reference to elements using the designations "first,” “second,” etc. does not generally limit the amount or order of those elements. These designations may be used in this disclosure as a convenient way to distinguish between two or more elements. Thus, reference to a first and second element does not imply that only two elements may be employed or that the first element must precede the second element in any way.
  • determining may encompass a wide variety of actions. For example, “judgment” can mean judging, calculating, computing, processing, deriving, investigating, looking up, search, inquiry ( For example, searching in a table, database, or other data structure), ascertaining, etc. may be considered to be “determining.”
  • judgment (decision) includes receiving (e.g., receiving information), transmitting (e.g., sending information), input (input), output (output), access ( may be considered to be “determining”, such as accessing data in memory (eg, accessing data in memory).
  • judgment is considered to mean “judging” resolving, selecting, choosing, establishing, comparing, etc. Good too.
  • judgment (decision) may be considered to be “judgment (decision)” of some action.
  • the "maximum transmit power" described in this disclosure may mean the maximum value of transmit power, the nominal maximum transmit power (the nominal UE maximum transmit power), or the rated maximum transmit power (the It may also mean rated UE maximum transmit power).
  • connection refers to any connection or coupling, direct or indirect, between two or more elements.
  • the coupling or connection between elements may be physical, logical, or a combination thereof. For example, "connection” may be replaced with "access.”
  • microwave when two elements are connected, they may be connected using one or more electrical wires, cables, printed electrical connections, etc., as well as in the radio frequency domain, microwave can be considered to be “connected” or “coupled” to each other using electromagnetic energy having wavelengths in the light (both visible and invisible) range.
  • a and B are different may mean “A and B are different from each other.” Note that the term may also mean that "A and B are each different from C”. Terms such as “separate” and “coupled” may also be interpreted similarly to “different.”
  • the i-th (i is any integer), not only in the elementary, comparative, and superlative, but also interchangeably (for example, "the highest” can be interpreted as “the i-th highest”). may be read interchangeably).

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Un terminal, selon un aspect de la présente divulgation, est caractérisé en ce qu'il comprend : une unité de réception qui reçoit des informations désignant un filtre ou un panneau de réception de domaine spatial à utiliser dans des mesures pour un rapport d'informations d'état de canal (CSI) ; et une unité de transmission qui transmet le rapport de CSI contenant des résultats mesurés à l'aide du filtre ou du panneau de réception de domaine spatial. Ledit aspect de la présente divulgation permet d'obtenir une réduction de surdébit, une estimation de canal et une utilisation de ressources appropriées.
PCT/JP2022/031461 2022-08-19 2022-08-19 Terminal, procédé de communication sans fil et station de base WO2024038613A1 (fr)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018128185A1 (fr) * 2017-01-06 2018-07-12 株式会社Ｎｔｔドコモ Terminal utilisateur et procédé de radiocommunication

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018128185A1 (fr) * 2017-01-06 2018-07-12 株式会社Ｎｔｔドコモ Terminal utilisateur et procédé de radiocommunication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MODERATOR (CATT): "Summary of enhancements on beam management for multi-TRP (Round 3)", 3GPP DRAFT; R1-2110576, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20211011 - 20211019, 19 October 2021 (2021-10-19), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052061631 *

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