Base station apparatus, terminal apparatus, communication method, and integrated circuit
Provided is a terminal apparatus including: a reception unit configured to: receive first information including at least one first setting, receive second information including at least one second setting, receive third information including at least one third setting, and receive fourth information; a channel state measurement unit configured to measure channel state information; and a transmission unit configured to report the channel state information based on interference that is measured. In the terminal apparatus, the at least one first setting comprises a plurality of first settings for at least one report of the channel state information. Each of the plurality of first settings includes one first index. The at least one second setting comprises a plurality of second settings concerning at least one reference signal for measuring the interference. Each of the plurality of second settings includes one second index. The at least one third setting includes one of the first indices, one of the second indices, and one third index. The fourth information includes information for indicating at least one of the third indices.
1. A terminal device for communicating with a base station, the terminal device comprising:
reception circuitry configured to receive from the base station:
a configuration of a reference signal (RS) resource,
a configuration of a time domain operation for the RS resource indicating a first of a plurality of time domain operations,
a configuration of channel state information (CSI) reporting,
wherein the configuration of the CSI reporting includes:
an indicator indicating a second of the plurality of time domain operations,
an index of the configuration of the RS resource, and
an index of the configuration of the CSI reporting, and
a transmission mode;
measurement circuitry configured to perform measurement for CSI based on the configuration of the RS resource and the configuration of the time domain operation for the RS resource; and
transmission circuitry configured to transmit a CSI report to the base station, wherein the CSI report is based on the configuration of the CSI reporting;
wherein
when the first time domain operation comprises a semi-persistent transmission, the RS resource is activated by a bitmap in a medium access control (MAC) control element and the second time domain operation comprises a semi-persistent or an aperiodic transmission.
2. The terminal device of claim 1 , wherein:
the reception circuitry is further configured to receive from the base station:
a configuration of an interference measurement (IM) resource, and
a configuration of a time domain operation for the IM resource; and
the measurement circuitry is configured to perform interference measurement for the CSI based on the configuration of the IM resource and the configuration of the time domain operation for the IM resource.
3. A base station for communicating with a terminal device, the base station comprising:
transmission circuitry configured to transmit to the terminal device:
a configuration of a reference signal (RS) resource,
a configuration of a time domain operation for the RS resource indicating a first of a plurality of time domain operations,
a configuration of channel state information (CSI) reporting,
wherein the configuration of the CSI reporting includes:
an indicator indicating a second of the plurality of time domain operations,
an index of the configuration of the RS resource, and
an index of the configuration of the CSI reporting, and
a transmission mode; and
reception circuitry configured to receive a CSI report from the terminal device, wherein:
the terminal device performs measurement for CSI based on the configuration of the RS resource and the configuration of the time domain operation for the RS resource; and
the CSI report is based on the configuration of the CSI reporting,
wherein
when the first time domain operation comprises a semi-persistent transmission, the RS resource is activated by a bitmap in a medium access control (MAC) control element and the second time domain operation comprises a semi-persistent or an aperiodic transmission.
4. The base station of claim 3 , wherein:
the transmission circuitry is further configured to transmit to the terminal device:
a configuration of an interference measurement (IM) resource, and
a configuration of a time domain operation for the IM resource; and
interference measurement for the CSI is performed by the terminal device based on the configuration of the IM resource and the configuration of the time domain operation for the IM resource.
5. A communication method for communicating with a base station device, the communication method comprising:
receiving from the base station:
a configuration of a reference signal (RS) resource,
a configuration of a time domain operation for the RS resource indicating a first of a plurality of time domain operations,
a configuration of channel state information (CSI) reporting,
wherein the configuration of the CSI reporting includes:
an indicator indicating a second of the plurality of time domain operations,
an index of the configuration of the RS resource, and
an index of the configuration of the CSI reporting, and
a transmission mode;
performing measurement for CSI based on the configuration of the RS resource and the configuration of the time domain operation for the RS resource; and
transmitting a CSI report to the base station, wherein the CSI report is based on the configuration of the CSI reporting;
wherein
when the first time domain operation comprises a semi-persistent transmission, the RS resource is activated by a bitmap in a medium access control (MAC) control element and the second time domain operation comprises a semi-persistent or an aperiodic transmission.
6. A communication method for communicating with a terminal device, the communication method comprising:
transmitting to the terminal device:
a configuration of a reference signal (RS) resource,
a configuration of a time domain operation for the RS resource indicating a first of a plurality of time domain operations,
a configuration of channel state information (CSI) reporting,
wherein the configuration of the CSI reporting includes:
an indicator indicating a second of the plurality of time domain operations,
an index of the configuration of the RS resource, and
an index of the configuration of the CSI reporting, and
a transmission mode;
receiving a CSI report from the terminal device,
wherein:
the terminal device performs measurement for CSI based on the configuration of the RS resource and the configuration of the time domain operation for the RS resource; and
the CSI report is based on the configuration of the CSI reporting,
wherein
when the first time domain operation comprises a semi-persistent transmission, the RS resource is activated by a bitmap in a medium access control (MAC) control element and the second time domain operation comprises a semi-persistent or an aperiodic transmission.