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Method for reporting channel state information in wireless communication system, and device for same

專利號
US12075456B2
公開日期
2024-08-27
申請人
LG ELECTRONICS INC.（KR Seoul）
發(fā)明人
Jaehoon Chung; Haewook Park; Jiwon Kang
IPC分類
H04W72/56; H04W72/044; H04W72/0453; H04W72/542
技術(shù)領(lǐng)域
csi,ue,omission,may,uci,in,bwp,reporting,resource,be
地域： Seoul

摘要

Disclosed are a method for reporting channel state information in a wireless communication system, and a device for same.Specifically, a method for a user equipment (UE) to report channel state information (CSI) in a wireless communication system includes: receiving bandwidth part (BWP) configuration information related to a BWP; receiving information for activating a specific bandwidth part among one or more bandwidth parts based on the BWP configuration information; receiving a reference signal; calculating CSI based on the reference signal; and transmitting the CSI by omitting a part of the CSI in the activated specific bandwidth part, based on a priority rule, wherein the CSI includes information related with coefficients, and each of elements of the information related to the coefficients is classified as a first group and a second group based on a priority value, wherein the priority value is determined as an order in which a higher index and a lower index of indexes of a frequency domain related to the elements are sequentially crossed based on a predefined specific index, and wherein a priority of the first group is defined as being higher than a priority of the second group in the priority rule.

說明書

For example, when a specific field indicating BWP (e.g., BWP indicator field) is included in DCI (e.g., DCI format 1_1) for scheduling of PDSCH, the value of the corresponding field may be set to indicate a specific DL BWP (e.g., active DL BWP) among a set of DL BWPs (pre-) configured for DL reception for the UE. In this case, the UE receiving the DCI may be configured to receive DL data in a specific DL BWP indicated by the corresponding field. And/or, when a specific field indicating the BWP (e.g., BWP indicator field) is included in DCI (e.g., DCI format 0_1) for scheduling of PUSCH, the value of the corresponding field may be set to indicate a specific UL BWP (e.g., active UL BWP) in a set of UL BWPs (pre-) configured for UL transmission for the UE. In this case, the UE receiving the DCI may be configured to transmit UL data in a specific UL BWP indicated by the corresponding field.

Physical Channel and General Signal Transmission

FIG. 6 illustrates physical channels and general signal transmission used in a 3GPP system. In a wireless communication system, the UE receives information from the eNB through Downlink (DL) and the UE transmits information from the eNB through Uplink (UL). The information which the eNB and the UE transmit and receive includes data and various control information and there are various physical channels according to a type/use of the information which the eNB and the UE transmit and receive.

權(quán)利要求

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