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Method and device for transmitting/receiving downlink control information in wireless communication system

專利號
US12219579B2
公開日期
2025-02-04
申請人
LG ELECTRONICS INC.（KR Seoul）
發(fā)明人
Hyungtae Kim; Jiwon Kang
IPC分類
H04W72/232; H04L1/08; H04L5/00; H04W72/12
技術領域
pdcch,dci,coreset,tci,in,ss,ue,may,coresets,candidate
地域： Seoul

摘要

Disclosed are a method and a device for transmitting or receiving downlink control information in a wireless communication system. A method for receiving downlink control information (DCI) according to an embodiment of the present disclosure any comprise the steps of: repeatedly receiving the DCI via a plurality of physical downlink control channel (PDCCH) candidates; and transmitting or receiving data scheduled via the DCI. The DCI may be transmitted via a first physical downlink control channel (PDCCH) candidate within a first search space set and a second PDCCH candidate within a second search space set, the first search space set and the second search space set may be related to different transmission configuration indication (TCI) states, and a window that is a duration in which the first PDCCH candidate and the second PDCCH candidate are transmitted may be preconfigured in a time domain.

說明書

FIG. 9 is a diagram illustrating a mapping method between PDCCH transmission occasions and TCI states according to an embodiment of the present disclosure.

Several PDCCH TOs exist in one window, and different TCI states may be mapped for each TO. Here, the following two schemes may be considered as a mapping scheme of TOs and TCIs.

First, as a TO increases within a window (in ascending order), TCI states may be sequentially mapped in a circular manner. For example, if N TOs and M TCI states are indicated in a window, i-th TO is mapped to i-th TCI, and if N>M, the first (1st) TCI and the second (2nd) TCI may be sequentially mapped to the (M+1)th and (M+2)th TOs, respectively. For example, it is assumed that 6 PDCCH TOs are configured in one window and 2 TCI states are configured as shown in FIG. 9(a). In this case, in one window, the first TCI state may be mapped to the first PDCCH TO, the second TCI state may be mapped to the second PDCCH TO, the first TCI state may be mapped to the third PDCCH TO, the second TCI state may be mapped to the fourth PDCCH TO, the first TCI state may be mapped to the fifth PDCCH TO, and the second TCI state may be mapped to the sixth PDCCH TO.

權利要求

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