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

專利號(hào)
US12075456B2
公開日期
2024-08-27
申請(qǐng)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(shuō)明書

TABLE 2 Frequency Range Corresponding frequency designation range Subcarrier Spacing FR1 ?410 MHz-7125 MHz 15, 30, 60 kHz FR2 24250 MHz-52600 MHz 60, 120, 240 kHz

Regarding a frame structure in the NR system, a size of various fields in the time domain is expressed as a multiple of a time unit of Ts=1/(Δfmax·Nf) In this case, Δfmax=480·103, and Nf=4096 DL and UL transmission is configured as a radio frame having a section of Tf=(ΔfmaxNf/100)·Ts=10 ms. The radio frame is composed of ten subframes each having a section of Tsf=(ΔfmaxNf/1000)·Ts=1 ms. In this case, there may be a set of UL frames and a set of DL frames.

FIG. 2 illustrates a relation between an uplink frame and a downlink frame in a wireless communication system to which a method proposed in the present disclosure is applicable.

As illustrated in FIG. 2, uplink frame number i for transmission from a user equipment (UE) shall start TTA=NTATs before the start of a corresponding downlink frame at the corresponding UE.

權(quán)利要求

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