User equipments, base stations and methods
View Patent ↗A user equipment (UE) is described. Receiving circuitry is configured to receive an activation command for semi-persistent channel state information-reference signal (CSI-RS) and channel state information-interference measurement (CSI-IM) resource(s) configuration, the semi-persistent CSI-RS and CSI-IM resource(s) configuration being associated with a DL BWP. The receiving circuitry is configured to receive a deactivation command for the semi-persistent CSI-RS and CSI-IM resource(s) configuration. Processing circuitry is configured to consider that the semi-persistent CSI-RS and CSI-IM resource(s) configuration is suspended when the associated DL BWP is being deactivated.
1. A user equipment that communicates with a base station apparatus on one or more downlink bandwidth parts (DL BWPs) in at least one serving cell, comprising:
receiving circuitry configured to receive an activation command for at least one of a semi-persistent channel state information-reference signal (CSI-RS) and a channel state information-interference measurement (CSI-IM) resource configuration, the semi-persistent CSI-RS and CSI-IM resource configuration being associated with a DL BWP of the on one or more DL BWPs,
the receiving circuitry configured to receive a deactivation command for the at least one of semi-persistent CSI-RS and CSI-IM resource configuration, and
processing circuitry configured to consider that the at least one of the semi-persistent CSI-RS and CSI-IM resource configuration is suspended in a case that the associated DL BWP is deactivated.
2. The user equipment according to claim 1 , wherein
the receiving circuitry is configured to receive a radio resource control message comprising a parameter used for identifying the associated DL BWP.
3. The user equipment according to claim 1 , further comprising:
transmitting circuitry configured to perform CSI reporting based on the at least one of the semi-persistent CSI-RS and CSI-IM resource configuration, wherein
CSI-RS resource is for channel measurement, and
CSI-IM resource is for interference measurement.
4. A base station apparatus that communicates with a user equipment on one or more downlink bandwidth parts (DL BWPs) in at least one serving cell, comprising, comprising:
transmitting circuitry configured to transmit an activation command for at least one of a semi-persistent channel state information-reference signal (CSI-RS) and a channel state information-interference measurement (CSI-IM) resource configuration, the semi-persistent CSI-RS and CSI-IM resource configuration being associated with a DL BWP of the on one or more DL BWPs,
the transmitting circuitry configured to transmit a deactivation command for the at least one of the semi-persistent CSI-RS and CSI-IM resource configuration, and
processing circuitry configured to consider that the at least one of the semi-persistent CSI-RS and CSI-IM resource configuration is suspended in a case that the associated DL BWP is deactivated.
5. The base station apparatus according to claim 4 , wherein
the transmitting circuitry is configured to transmit a radio resource control message comprising a parameter used for identifying the associated DL BWP.
6. The base station apparatus according to claim 4 , further comprising:
receiving circuitry configured to receive CSI reporting based on the at least one of the semi-persistent CSI-RS and CSI-IM resource configuration, wherein
CSI-RS resource is for channel measurement, and
CSI-IM resource is for interference measurement.
7. A communication method of a user equipment that communicates with a base station apparatus on one or more downlink bandwidth parts (DL BWPs) in at least one serving cell, comprising:
receiving an activation command for at least one of a semi-persistent channel state information-reference signal (CSI-RS) and a channel state information-interference measurement (CSI-IM) resource configuration, the semi-persistent CSI-RS and CSI-IM resource configuration being associated with a DL BWP of the on one or more DL BWPs,
receiving a deactivation command for the at least one of the semi-persistent CSI-RS and CSI-IM resource configuration, and
considering that the at least one of the semi-persistent CSI-RS and CSI-IM resource configuration is suspended in a case that the associated DL BWP is deactivated.
8. The communication method according to claim 7 , further comprising:
receiving a radio resource control message comprising a parameter used for identifying the associated DL BWP.
9. The communication method according to claim 7 , further comprising:
performing CSI reporting based on the at least one of the semi-persistent CSI-RS and CSI-IM resource configuration, wherein
CSI-RS resource is for channel measurement, and
CSI-IM resource is for interference measurement.
10. A communication method of a base station apparatus that communicates with a user equipment on one or more downlink bandwidth parts (DL BWPs) in at least one serving cell, comprising, comprising:
transmitting an activation command for at least one of a semi-persistent channel state information-reference signal (CSI-RS) and a channel state information-interference measurement (CSI-IM) resource configuration, the semi-persistent CSI-RS and CSI-IM resource configuration being associated with a DL BWP of the on one or more DL BWPs,
transmitting a deactivation command for the at least one of the semi-persistent CSI-RS and CSI-IM resource configuration, and
considering that the at least one of the semi-persistent CSI-RS and CSI-IM resource configuration is suspended in a case that the associated DL BWP is deactivated.
11. The communication method according to claim 10 , further comprising:
transmitting a radio resource control message comprising a parameter used for identifying the associated DL BWP.
12. communication method according to claim 10 , further comprising:
receiving CSI reporting based on the at least one of the semi-persistent CSI-RS and CSI-IM resource configuration, wherein
CSI-RS resource is for channel measurement, and
CSI-IM resource is for interference measurement.