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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(shù)領(lǐng)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

Embodiment 3) Determination Method of MTRP PDCCH Transmission Scheme According to CORESET and SS Configuration Conditions

A base station may configure two CORESETs and two SSs for MTRP PDCCH transmission to a UE, and a method in which a MTRP PDCCH transmission scheme is determined according to configuration conditions of the two CORESETs and the two SSs is proposed.

For example, when the frequency resource regions of the two CORESETs set are the same and/or when the two set CORESETs have the same parameter settings except for the TCI state and CORESET ID (e.g., ControlResourceSet IE in Table 6) refer), a method in which the same DCI is TDMed at different times and repeatedly transmitted as in Example 1-1 may be applied.

Alternatively, for example, when time domain resources of configured 2 SSs are the same and/or configurations of remaining parameters are the same except for a mapped CORESET and a SS ID among configured parameters of the configured 2 SSs (for example, refer to the searchspace IE of Table 9), a scheme in which the same DCI is FDMed to different frequencies and repeatedly transmitted as in embodiment 1-4 may be applied.

權(quán)利要求

1
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