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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

NR supports a plurality of numerologies (or subcarrier spacings (SCS)) for supporting a variety of 5G services. For example, when a SCS is 15 kHz, a wide area in traditional cellular bands is supported, and when a SCS is 30 kHz/60 kHz, dense-urban, lower latency and a wider carrier bandwidth are supported, and when a SCS is 60 kHz or higher, a bandwidth wider than 24.25 GHz is supported to overcome a phase noise. An NR frequency band is defined as a frequency range in two types (FR1, FR2). FR1, FR2 may be configured as in the following Table 2. In addition, FR2 may mean a millimeter wave (mmW).

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

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