Terminal, base station, radio communication method, and system for controlling semi-persistent channel state information reporting

Patent metadata

Field	Value
Publication number	US-11791879-B2
Application number	US-201716762071-A
Country	US
Kind code	B2
Filing date	Nov 10, 2017
Priority date	Nov 10, 2017
Publication date	Oct 17, 2023
Grant date	Oct 17, 2023

Abstract

A user terminal according to one aspect of the present disclosure includes a transmitting section that transmits channel state information by use of a semi-persistently specified resource, and a control section that controls, in a case of transmitting data during a time duration in which the semi-persistently specified resource is included, transmission of the channel state information and the data. According to one aspect of the present disclosure, SP-CSI reporting can be appropriately controlled.

First claim

The invention claimed is:

1. A terminal comprising:
a transmitter that performs semi-persistent channel state information (CSI) reporting on a physical uplink control channel (PUCCH) at a timing configured by higher layer signaling; and
a processor that performs, when a transmission of a physical uplink shared channel (PUSCH) without uplink grant and a transmission of the PUCCH are overlapped and the PUSCH has a first priority information that is higher than a second priority information of the PUCCH on which the semi-persistent CSI reporting is performed, a control not to transmit the PUCCH,
wherein the timing of the semi-persistent CSI reporting is based on a subcarrier spacing.

2. The terminal according to claim 1 , wherein the terminal comprises a receiver that receives the first priority information of the PUSCH.

3. A radio communication method for a terminal, comprising:
performing semi-persistent channel state information (CSI) reporting on a physical uplink control channel (PUCCH) at a timing configured by higher layer signaling; and
performing, when a transmission of a physical uplink shared channel (PUSCH) without uplink grant and a transmission of the PUCCH are overlapped and the PUSCH has a first priority information that is higher than a second priority information of the PUCCH on which the semi-persistent CSI reporting is performed, a control not to transmit the PUCCH,
wherein the timing of the semi-persistent CSI reporting is based on a subcarrier spacing.

4. A base station comprising:
a receiver that receives semi-persistent channel state information (CSI) reporting performed on a physical uplink control channel (PUCCH) at a timing configured by higher layer signaling; and
a transmitter that transmits a first priority information and a second priority information, which are set so that the PUCCH on which the semi-persistent CSI reporting is performed is not transmitted when a transmission of a physical uplink shared channel (PUSCH) without uplink grant and a transmission of the PUCCH are overlapped,
wherein the timing of the semi-persistent CSI reporting is based on a subcarrier spacing.

5. A system comprising a terminal and a base station, wherein
the terminal comprises:
a transmitter of the terminal that performs semi-persistent channel state information (CSI) reporting on a physical uplink control channel (PUCCH) at a timing configured by higher layer signaling; and
a processor that performs, when a transmission of a physical uplink shared channel (PUSCH) without uplink grant and a transmission of the PUCCH are overlapped and the PUSCH has a first priority information that is higher than a second priority information of the PUCCH on which the semi-persistent CSI reporting is performed, a control not to transmit the PUCCH, and

the base station comprises:
a receiver that receives the semi-persistent CSI; and
a transmitter of the base station that transmits the first priority information and the second priority information, which are set so that the PUCCH is not transmitted when the transmission of the PUSCH without uplink grant and the transmission of the PUCCH are overlapped,

wherein the timing of the semi-persistent CSI reporting is based on a subcarrier spacing.

Assignees

• Ntt Docomo Inc

Inventors

• Takeda Kazuki
• Nagata Satoshi
• Wang Lihui
• Li Huiling
• Hou Xiaolin
• Na Chongning

Classifications

• H04B7/0626 Primary

  Channel coefficients, e.g. channel state information [CSI] · CPC title

• H04W24/10

  Scheduling measurement reports {; Arrangements for measurement reports} · CPC title

• H04W72/0446

  Resources in time domain, e.g. slots or frames · CPC title

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04W72/53 Primary

  based on regulatory allocation policies · CPC title