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User terminal and radio communication method

專利號(hào)
US11178679B2
公開日期
2021-11-16
申請(qǐng)人
NTT DOCOMO, INC.(JP Tokyo)
發(fā)明人
Kazuki Takeda; Satoshi Nagata; Lihui Wang; Liu Liu; Huiling Jiang
IPC分類
H04W4/00; H04W72/12
技術(shù)領(lǐng)域
sr,tti,stti,spucch,ue,ttis,in,pucch,subframe,prohibit
地域: Tokyo

摘要

The present invention is designed so that, even when communication is made using a plurality of transmission time intervals (TTIs), scheduling requests are transmitted adequately. According to one aspect of the present invention, a user terminal has a transmitting/receiving section that transmits and/or receives using a plurality of transmission time intervals (TTIs) of different durations, and a control section that determines a resource to use to transmit a scheduling request (SR) based on at least one of a first TTI and a second TTI having a shorter TTI duration than the first TTI.

說明書

The mapping section 403 maps the uplink signals generated in the transmission signal generation section 402 to radio resources based on commands from the control section 401, and output the result to the transmitting/receiving sections 203. The mapping section 403 can be constituted by a mapper, a mapping circuit or mapping apparatus that can be described based on general understanding of the technical field to which the present invention pertains.

The received signal processing section 404 performs receiving processes (for example, demapping, demodulation, decoding and so on) of received signals that are input from the transmitting/receiving sections 203. Here, the received signals include, for example, downlink signals (downlink control signals, downlink data signals, downlink reference signals and so on) that are transmitted from the radio base station 10. The received signal processing section 404 can be constituted by a signal processor, a signal processing circuit or signal processing apparatus that can be described based on general understanding of the technical field to which the present invention pertains. Also, the received signal processing section 404 can constitute the receiving section according to the present invention.

The received signal processing section 404 outputs the decoded information that is acquired through the receiving processes to the control section 401. The received signal processing section 404 outputs, for example, broadcast information, system information. RRC signaling, DCI and so on, to the control section 401. Also, the received signal processing section 404 outputs the received signals and/or the signals after the receiving processes to the measurement section 405.

權(quán)利要求

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