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User terminal and radio communication method

專利號
US12108391B2
公開日期
2024-10-01
申請人
NTT DOCOMO, INC.(JP Tokyo)
發(fā)明人
Yuki Matsumura; Kazuki Takeda; Satoshi Nagata
IPC分類
H04W72/1273; H04L5/00; H04W24/08; H04W72/0453; H04W72/23
技術領域
qcl,tci,scheduling,pdsch,rs,ue,cell,may,reception,pdcch
地域: Tokyo

摘要

A user terminal according to one aspect of the present disclosure includes: a reception section which monitors a first downlink control channel for cross-carrier scheduling in a first cell; and a control section which assumes that transmission configuration indication (TCI) field information indicating whether a TCI field exists in downlink control information is set to be enabled when a downlink shared channel of a second cell is scheduled by the downlink control information in the first downlink control channel and the second cell is different from the first cell. According to one aspect of the present disclosure, the information about the QCL can be appropriately determined when the user terminal configures the cross-carrier scheduling.

說明書

The transmission/reception section 220 (measurement section 223) may perform measurement on the received signal. For example, the measurement section 223 may perform RRM measurement, CSI measurement, and the like based on the received signal. The measurement section 223 may measure received power (e.g., RSRP), received quality (e.g., RSRQ, SINR, or SNR), signal strength (e.g., RSSI), propagation path information (e.g., CSI), and the like. The measurement result may be output to the control section 210.

Note that the transmission section and the reception section of the user terminal 20 in the present disclosure may include at least one of the transmission/reception section 220 and the transmission/reception antenna 230.

Further, the transmission/reception section 220 may receive a reference signal (e.g., DL-RS, SSB, CSI-RS, TRS, PDCCH DMRS, PDSCH DMRS, and the like).

The transmission/reception section 220 may monitor the first downlink control channel (PDCCH) for cross-carrier scheduling in the first cell (scheduling cell). A downlink shared channel (PDSCH) of a second cell (scheduled cell) may be scheduled by downlink control information (DCI) in the first downlink control channel. When the second cell is different from the first cell, the control section 210 may assume that TCI field information (e.g., tci-PresentInDCi), which indicates whether a transmission configuration indication (TCI) field is present or absent in the downlink control information, is set to be enabled.

權利要求

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