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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(shù)領(lǐng)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 120 may transmit a first downlink control channel (PDCCH) for cross-carrier scheduling in a 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 110 may set 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, to be enabled.

(User Terminal)

FIG. 6 is a diagram illustrating an example of a configuration of the user terminal according to one embodiment. The user terminal 20 includes a control section 210, a transmission/reception section 220, and a transmission/reception antenna 230. Note that one or more of the control sections 210, one or more of the transmission/reception sections 220, and one or more of the transmission/reception antennas 230 may be included.

Note that, although this example mainly describes a functional block which is a characteristic part of the present embodiment, it may be assumed that the user terminal 20 also has another functional block necessary for radio communication. A part of processing of each section described below may be omitted.

The control section 210 controls the entire user terminal 20. The control section 210 can be constituted by a controller, a control circuit, or the like, which is described based on common recognition in the technical field to which the present disclosure relates.

權(quán)利要求

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